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ton/tolk/ast-from-tokens.cpp

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[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
/*
This file is part of TON Blockchain Library.
TON Blockchain Library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
TON Blockchain Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ast-from-tokens.h"
#include "ast.h"
#include "platform-utils.h"
#include "type-expr.h"
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
#include "tolk-version.h"
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
/*
* Here we construct AST for a tolk file.
* While constructing, no global state is modified.
* Historically, in FunC, there was no AST: while lexing, symbols were registered, types were inferred, and so on.
* There was no way to perform any more or less semantic analysis.
* Implementing AST gives a giant advance for future modifications and stability.
*/
namespace tolk {
// given a token, determine whether it's <, or >, or similar
static bool is_comparison_binary_op(TokenType tok) {
return tok == tok_lt || tok == tok_gt || tok == tok_leq || tok == tok_geq || tok == tok_eq || tok == tok_neq || tok == tok_spaceship;
}
// same as above, but to detect bitwise operators: & | ^
static bool is_bitwise_binary_op(TokenType tok) {
return tok == tok_bitwise_and || tok == tok_bitwise_or || tok == tok_bitwise_xor;
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
// same as above, but to detect logical operators: && ||
static bool is_logical_binary_op(TokenType tok) {
return tok == tok_logical_and || tok == tok_logical_or;
}
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
// same as above, but to detect addition/subtraction
static bool is_add_or_sub_binary_op(TokenType tok) {
return tok == tok_plus || tok == tok_minus;
}
// fire an error for a case "flags & 0xFF != 0" (equivalent to "flags & 1", probably unexpected)
// it would better be a warning, but we decided to make it a strict error
GNU_ATTRIBUTE_NORETURN GNU_ATTRIBUTE_COLD
static void fire_error_lower_precedence(SrcLocation loc, std::string_view op_lower, std::string_view op_higher) {
std::string name_lower = static_cast<std::string>(op_lower);
std::string name_higher = static_cast<std::string>(op_higher);
throw ParseError(loc, name_lower + " has lower precedence than " + name_higher +
", probably this code won't work as you expected. "
"Use parenthesis: either (... " + name_lower + " ...) to evaluate it first, or (... " + name_higher + " ...) to suppress this error.");
}
// fire an error for a case "arg1 & arg2 | arg3"
GNU_ATTRIBUTE_NORETURN GNU_ATTRIBUTE_COLD
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
static void fire_error_mix_and_or_no_parenthesis(SrcLocation loc, std::string_view op1, std::string_view op2) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
std::string name1 = static_cast<std::string>(op1);
std::string name2 = static_cast<std::string>(op2);
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
throw ParseError(loc, "mixing " + name1 + " with " + name2 + " without parenthesis may lead to accidental errors. "
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
"Use parenthesis to emphasize operator precedence.");
}
// diagnose when bitwise operators are used in a probably wrong way due to tricky precedence
// example: "flags & 0xFF != 0" is equivalent to "flags & 1", most likely it's unexpected
// the only way to suppress this error for the programmer is to use parenthesis
// (how do we detect presence of parenthesis? simple: (0!=1) is ast_parenthesized_expr{ast_binary_operator},
// that's why if rhs->type == ast_binary_operator, it's not surrounded by parenthesis)
static void diagnose_bitwise_precedence(SrcLocation loc, std::string_view operator_name, AnyV lhs, AnyV rhs) {
// handle "flags & 0xFF != 0" (rhs = "0xFF != 0")
if (rhs->type == ast_binary_operator && is_comparison_binary_op(rhs->as<ast_binary_operator>()->tok)) {
fire_error_lower_precedence(loc, operator_name, rhs->as<ast_binary_operator>()->operator_name);
}
// handle "0 != flags & 0xFF" (lhs = "0 != flags")
if (lhs->type == ast_binary_operator && is_comparison_binary_op(lhs->as<ast_binary_operator>()->tok)) {
fire_error_lower_precedence(loc, operator_name, lhs->as<ast_binary_operator>()->operator_name);
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
}
// similar to above, but detect potentially invalid usage of && and ||
// since anyway, using parenthesis when both && and || occur in the same expression,
// && and || have equal operator precedence in Tolk
static void diagnose_and_or_precedence(SrcLocation loc, AnyV lhs, TokenType rhs_tok, std::string_view rhs_operator_name) {
if (auto lhs_op = lhs->try_as<ast_binary_operator>()) {
// handle "arg1 & arg2 | arg3" (lhs = "arg1 & arg2")
if (is_bitwise_binary_op(lhs_op->tok) && is_bitwise_binary_op(rhs_tok) && lhs_op->tok != rhs_tok) {
fire_error_mix_and_or_no_parenthesis(loc, lhs_op->operator_name, rhs_operator_name);
}
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
// handle "arg1 && arg2 || arg3" (lhs = "arg1 && arg2")
if (is_logical_binary_op(lhs_op->tok) && is_logical_binary_op(rhs_tok) && lhs_op->tok != rhs_tok) {
fire_error_mix_and_or_no_parenthesis(loc, lhs_op->operator_name, rhs_operator_name);
}
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
}
// diagnose "a << 8 + 1" (equivalent to "a << 9", probably unexpected)
static void diagnose_addition_in_bitshift(SrcLocation loc, std::string_view bitshift_operator_name, AnyV rhs) {
if (rhs->type == ast_binary_operator && is_add_or_sub_binary_op(rhs->as<ast_binary_operator>()->tok)) {
fire_error_lower_precedence(loc, bitshift_operator_name, rhs->as<ast_binary_operator>()->operator_name);
}
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
// fire an error for FunC-style variable declaration, like "int i"
GNU_ATTRIBUTE_NORETURN GNU_ATTRIBUTE_COLD
static void fire_error_FunC_style_var_declaration(Lexer& lex) {
SrcLocation loc = lex.cur_location();
std::string type_str = static_cast<std::string>(lex.cur_str()); // int / slice / etc.
lex.next();
std::string var_name = lex.tok() == tok_identifier ? static_cast<std::string>(lex.cur_str()) : "name";
throw ParseError(loc, "can't parse; probably, you use FunC-like declarations; valid syntax is `var " + var_name + ": " + type_str + " = ...`");
}
// replace (a == null) and similar to isNull(a) (call of a built-in function)
static AnyV maybe_replace_eq_null_with_isNull_call(V<ast_binary_operator> v) {
bool has_null = v->get_lhs()->type == ast_null_keyword || v->get_rhs()->type == ast_null_keyword;
bool replace = has_null && (v->tok == tok_eq || v->tok == tok_neq);
if (!replace) {
return v;
}
auto v_ident = createV<ast_identifier>(v->loc, "__isNull"); // built-in function
AnyV v_null = v->get_lhs()->type == ast_null_keyword ? v->get_rhs() : v->get_lhs();
AnyV v_isNull = createV<ast_function_call>(v->loc, v_ident, createV<ast_tensor>(v->loc, {v_null}));
if (v->tok == tok_neq) {
v_isNull = createV<ast_unary_operator>(v->loc, "!", tok_logical_not, v_isNull);
}
return v_isNull;
}
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
/*
*
* PARSE SOURCE
*
*/
// TE ::= TA | TA -> TE
// TA ::= int | ... | cont | var | _ | () | ( TE { , TE } ) | [ TE { , TE } ]
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
static TypeExpr* parse_type(Lexer& lex, V<ast_genericsT_list> genericsT_list);
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
static TypeExpr* parse_type1(Lexer& lex, V<ast_genericsT_list> genericsT_list) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
switch (lex.tok()) {
case tok_int:
lex.next();
return TypeExpr::new_atomic(TypeExpr::_Int);
case tok_cell:
lex.next();
return TypeExpr::new_atomic(TypeExpr::_Cell);
case tok_slice:
lex.next();
return TypeExpr::new_atomic(TypeExpr::_Slice);
case tok_builder:
lex.next();
return TypeExpr::new_atomic(TypeExpr::_Builder);
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
case tok_continuation:
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
lex.next();
return TypeExpr::new_atomic(TypeExpr::_Cont);
case tok_tuple:
lex.next();
return TypeExpr::new_atomic(TypeExpr::_Tuple);
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
case tok_auto:
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
lex.next();
return TypeExpr::new_hole();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
case tok_void:
lex.next();
return TypeExpr::new_tensor({});
case tok_bool:
lex.error("bool type is not supported yet");
case tok_identifier:
if (int idx = genericsT_list ? genericsT_list->lookup_idx(lex.cur_str()) : -1; idx != -1) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
lex.next();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
return genericsT_list->get_item(idx)->created_type;
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
break;
case tok_oppar: {
lex.next();
if (lex.tok() == tok_clpar) {
lex.next();
return TypeExpr::new_unit();
}
std::vector<TypeExpr*> sub{1, parse_type(lex, genericsT_list)};
while (lex.tok() == tok_comma) {
lex.next();
sub.push_back(parse_type(lex, genericsT_list));
}
lex.expect(tok_clpar, "`)`");
return TypeExpr::new_tensor(std::move(sub));
}
case tok_opbracket: {
lex.next();
if (lex.tok() == tok_clbracket) {
lex.next();
return TypeExpr::new_tuple({});
}
std::vector<TypeExpr*> sub{1, parse_type(lex, genericsT_list)};
while (lex.tok() == tok_comma) {
lex.next();
sub.push_back(parse_type(lex, genericsT_list));
}
lex.expect(tok_clbracket, "`]`");
return TypeExpr::new_tuple(std::move(sub));
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
default:
break;
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.unexpected("<type>");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
static TypeExpr* parse_type(Lexer& lex, V<ast_genericsT_list> genericsT_list) {
TypeExpr* res = parse_type1(lex, genericsT_list);
if (lex.tok() == tok_arrow) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
lex.next();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
TypeExpr* to = parse_type(lex, genericsT_list);
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
return TypeExpr::new_map(res, to);
}
return res;
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
AnyV parse_expr(Lexer& lex);
static AnyV parse_parameter(Lexer& lex, V<ast_genericsT_list> genericsT_list) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
SrcLocation loc = lex.cur_location();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
// argument name (or underscore for an unnamed parameter)
std::string_view param_name;
if (lex.tok() == tok_identifier) {
param_name = lex.cur_str();
} else if (lex.tok() != tok_underscore) {
lex.unexpected("parameter name");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
auto v_ident = createV<ast_identifier>(lex.cur_location(), param_name);
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
lex.next();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
// parameter type after colon, also mandatory (even explicit ":auto")
lex.expect(tok_colon, "`: <parameter_type>`");
TypeExpr* param_type = parse_type(lex, genericsT_list);
return createV<ast_parameter>(loc, v_ident, param_type);
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
static AnyV parse_global_var_declaration(Lexer& lex, const std::vector<V<ast_annotation>>& annotations) {
if (!annotations.empty()) {
lex.error("@annotations are not applicable to global var declaration");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
SrcLocation loc = lex.cur_location();
lex.expect(tok_global, "`global`");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
lex.check(tok_identifier, "global variable name");
[Tolk] Compilation pipeline, register global symbols in advance Since I've implemented AST, now I can drop forward declarations. Instead, I traverse AST of all files and register global symbols (functions, constants, global vars) as a separate step, in advance. That's why, while converting AST to Expr/Op, all available symbols are already registered. This greatly simplifies "intermediate state" of yet unknown functions and checking them afterward. Redeclaration of local variables (inside the same scope) is now also prohibited.
2024-10-31 07:04:58 +00:00
auto v_ident = createV<ast_identifier>(lex.cur_location(), lex.cur_str());
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
lex.next();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.expect(tok_colon, "`:`");
TypeExpr* declared_type = parse_type(lex, nullptr);
if (lex.tok() == tok_comma) {
lex.error("multiple declarations are not allowed, split globals on separate lines");
}
if (lex.tok() == tok_assign) {
lex.error("assigning to a global is not allowed at declaration");
}
lex.expect(tok_semicolon, "`;`");
[Tolk] Compilation pipeline, register global symbols in advance Since I've implemented AST, now I can drop forward declarations. Instead, I traverse AST of all files and register global symbols (functions, constants, global vars) as a separate step, in advance. That's why, while converting AST to Expr/Op, all available symbols are already registered. This greatly simplifies "intermediate state" of yet unknown functions and checking them afterward. Redeclaration of local variables (inside the same scope) is now also prohibited.
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return createV<ast_global_var_declaration>(loc, v_ident, declared_type);
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
static AnyV parse_constant_declaration(Lexer& lex, const std::vector<V<ast_annotation>>& annotations) {
if (!annotations.empty()) {
lex.error("@annotations are not applicable to global var declaration");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
SrcLocation loc = lex.cur_location();
lex.expect(tok_const, "`const`");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
lex.check(tok_identifier, "constant name");
[Tolk] Compilation pipeline, register global symbols in advance Since I've implemented AST, now I can drop forward declarations. Instead, I traverse AST of all files and register global symbols (functions, constants, global vars) as a separate step, in advance. That's why, while converting AST to Expr/Op, all available symbols are already registered. This greatly simplifies "intermediate state" of yet unknown functions and checking them afterward. Redeclaration of local variables (inside the same scope) is now also prohibited.
2024-10-31 07:04:58 +00:00
auto v_ident = createV<ast_identifier>(lex.cur_location(), lex.cur_str());
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
lex.next();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
TypeExpr *declared_type = nullptr;
if (lex.tok() == tok_colon) {
lex.next();
if (lex.tok() == tok_int) {
declared_type = TypeExpr::new_atomic(TypeExpr::_Int);
lex.next();
} else if (lex.tok() == tok_slice) {
declared_type = TypeExpr::new_atomic(TypeExpr::_Slice);
lex.next();
} else {
lex.error("a constant can be int or slice only");
}
}
lex.expect(tok_assign, "`=`");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
AnyV init_value = parse_expr(lex);
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
if (lex.tok() == tok_comma) {
lex.error("multiple declarations are not allowed, split constants on separate lines");
}
lex.expect(tok_semicolon, "`;`");
[Tolk] Compilation pipeline, register global symbols in advance Since I've implemented AST, now I can drop forward declarations. Instead, I traverse AST of all files and register global symbols (functions, constants, global vars) as a separate step, in advance. That's why, while converting AST to Expr/Op, all available symbols are already registered. This greatly simplifies "intermediate state" of yet unknown functions and checking them afterward. Redeclaration of local variables (inside the same scope) is now also prohibited.
2024-10-31 07:04:58 +00:00
return createV<ast_constant_declaration>(loc, v_ident, declared_type, init_value);
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
static AnyV parse_parameter_list(Lexer& lex, V<ast_genericsT_list> genericsT_list) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
SrcLocation loc = lex.cur_location();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
std::vector<AnyV> params;
lex.expect(tok_oppar, "parameter list");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
if (lex.tok() != tok_clpar) {
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
params.push_back(parse_parameter(lex, genericsT_list));
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
while (lex.tok() == tok_comma) {
lex.next();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
params.push_back(parse_parameter(lex, genericsT_list));
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.expect(tok_clpar, "`)`");
return createV<ast_parameter_list>(loc, std::move(params));
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
// parse (expr) / [expr] / identifier / number
[Tolk] Compilation pipeline, register global symbols in advance Since I've implemented AST, now I can drop forward declarations. Instead, I traverse AST of all files and register global symbols (functions, constants, global vars) as a separate step, in advance. That's why, while converting AST to Expr/Op, all available symbols are already registered. This greatly simplifies "intermediate state" of yet unknown functions and checking them afterward. Redeclaration of local variables (inside the same scope) is now also prohibited.
2024-10-31 07:04:58 +00:00
static AnyV parse_expr100(Lexer& lex) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
SrcLocation loc = lex.cur_location();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
switch (lex.tok()) {
case tok_oppar: {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
lex.next();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
if (lex.tok() == tok_clpar) {
lex.next();
return createV<ast_tensor>(loc, {});
}
AnyV first = parse_expr(lex);
if (lex.tok() == tok_clpar) {
lex.next();
return createV<ast_parenthesized_expr>(loc, first);
}
std::vector<AnyV> items(1, first);
while (lex.tok() == tok_comma) {
lex.next();
items.emplace_back(parse_expr(lex));
}
lex.expect(tok_clpar, "`)`");
return createV<ast_tensor>(loc, std::move(items));
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
case tok_opbracket: {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
lex.next();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
if (lex.tok() == tok_clbracket) {
lex.next();
return createV<ast_tensor_square>(loc, {});
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
std::vector<AnyV> items(1, parse_expr(lex));
while (lex.tok() == tok_comma) {
lex.next();
items.emplace_back(parse_expr(lex));
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.expect(tok_clbracket, "`]`");
return createV<ast_tensor_square>(loc, std::move(items));
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
case tok_int_const: {
std::string_view int_val = lex.cur_str();
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
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lex.next();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
return createV<ast_int_const>(loc, int_val);
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
case tok_string_const: {
std::string_view str_val = lex.cur_str();
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
lex.next();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
char modifier = 0;
if (lex.tok() == tok_string_modifier) {
modifier = lex.cur_str()[0];
lex.next();
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
return createV<ast_string_const>(loc, str_val, modifier);
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
case tok_underscore: {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
lex.next();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
return createV<ast_underscore>(loc);
}
case tok_true: {
lex.next();
return createV<ast_bool_const>(loc, true);
}
case tok_false: {
lex.next();
return createV<ast_bool_const>(loc, false);
}
case tok_null: {
lex.next();
return createV<ast_null_keyword>(loc);
}
case tok_identifier: {
std::string_view str_val = lex.cur_str();
lex.next();
return createV<ast_identifier>(loc, str_val);
}
default: {
// show a proper error for `int i` (FunC-style declarations)
TokenType t = lex.tok();
if (t == tok_int || t == tok_cell || t == tok_slice || t == tok_builder || t == tok_tuple) {
fire_error_FunC_style_var_declaration(lex);
}
lex.unexpected("<expression>");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
}
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
// parse E(expr)
[Tolk] Compilation pipeline, register global symbols in advance Since I've implemented AST, now I can drop forward declarations. Instead, I traverse AST of all files and register global symbols (functions, constants, global vars) as a separate step, in advance. That's why, while converting AST to Expr/Op, all available symbols are already registered. This greatly simplifies "intermediate state" of yet unknown functions and checking them afterward. Redeclaration of local variables (inside the same scope) is now also prohibited.
2024-10-31 07:04:58 +00:00
static AnyV parse_expr90(Lexer& lex) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
AnyV res = parse_expr100(lex);
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
if (lex.tok() == tok_oppar) {
lex.next();
SrcLocation loc = lex.cur_location();
std::vector<AnyV> args;
if (lex.tok() != tok_clpar) {
args.push_back(parse_expr(lex));
while (lex.tok() == tok_comma) {
lex.next();
args.push_back(parse_expr(lex));
}
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.expect(tok_clpar, "`)`");
return createV<ast_function_call>(res->loc, res, createV<ast_tensor>(loc, std::move(args)));
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
return res;
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
// parse E .method ~method E (left-to-right)
[Tolk] Compilation pipeline, register global symbols in advance Since I've implemented AST, now I can drop forward declarations. Instead, I traverse AST of all files and register global symbols (functions, constants, global vars) as a separate step, in advance. That's why, while converting AST to Expr/Op, all available symbols are already registered. This greatly simplifies "intermediate state" of yet unknown functions and checking them afterward. Redeclaration of local variables (inside the same scope) is now also prohibited.
2024-10-31 07:04:58 +00:00
static AnyV parse_expr80(Lexer& lex) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
AnyV lhs = parse_expr90(lex);
while (lex.tok() == tok_identifier && (lex.cur_str()[0] == '.' || lex.cur_str()[0] == '~')) {
std::string_view method_name = lex.cur_str();
lex.next();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
SrcLocation loc = lex.cur_location();
std::vector<AnyV> args;
lex.expect(tok_oppar, "`(`");
if (lex.tok() != tok_clpar) {
args.push_back(parse_expr(lex));
while (lex.tok() == tok_comma) {
lex.next();
args.push_back(parse_expr(lex));
}
}
lex.expect(tok_clpar, "`)`");
lhs = createV<ast_dot_tilde_call>(lhs->loc, method_name, lhs, createV<ast_tensor>(loc, std::move(args)));
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
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}
return lhs;
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
// parse ! ~ - + E (unary)
[Tolk] Compilation pipeline, register global symbols in advance Since I've implemented AST, now I can drop forward declarations. Instead, I traverse AST of all files and register global symbols (functions, constants, global vars) as a separate step, in advance. That's why, while converting AST to Expr/Op, all available symbols are already registered. This greatly simplifies "intermediate state" of yet unknown functions and checking them afterward. Redeclaration of local variables (inside the same scope) is now also prohibited.
2024-10-31 07:04:58 +00:00
static AnyV parse_expr75(Lexer& lex) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
TokenType t = lex.tok();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
if (t == tok_logical_not || t == tok_bitwise_not || t == tok_minus || t == tok_plus) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
SrcLocation loc = lex.cur_location();
std::string_view operator_name = lex.cur_str();
lex.next();
AnyV rhs = parse_expr75(lex);
return createV<ast_unary_operator>(loc, operator_name, t, rhs);
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
return parse_expr80(lex);
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
// parse E * / % ^/ ~/ E (left-to-right)
[Tolk] Compilation pipeline, register global symbols in advance Since I've implemented AST, now I can drop forward declarations. Instead, I traverse AST of all files and register global symbols (functions, constants, global vars) as a separate step, in advance. That's why, while converting AST to Expr/Op, all available symbols are already registered. This greatly simplifies "intermediate state" of yet unknown functions and checking them afterward. Redeclaration of local variables (inside the same scope) is now also prohibited.
2024-10-31 07:04:58 +00:00
static AnyV parse_expr30(Lexer& lex) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
AnyV lhs = parse_expr75(lex);
TokenType t = lex.tok();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
while (t == tok_mul || t == tok_div || t == tok_mod || t == tok_divC || t == tok_divR) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
SrcLocation loc = lex.cur_location();
std::string_view operator_name = lex.cur_str();
lex.next();
AnyV rhs = parse_expr75(lex);
lhs = createV<ast_binary_operator>(loc, operator_name, t, lhs, rhs);
t = lex.tok();
}
return lhs;
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
// parse E + - E (left-to-right)
[Tolk] Compilation pipeline, register global symbols in advance Since I've implemented AST, now I can drop forward declarations. Instead, I traverse AST of all files and register global symbols (functions, constants, global vars) as a separate step, in advance. That's why, while converting AST to Expr/Op, all available symbols are already registered. This greatly simplifies "intermediate state" of yet unknown functions and checking them afterward. Redeclaration of local variables (inside the same scope) is now also prohibited.
2024-10-31 07:04:58 +00:00
static AnyV parse_expr20(Lexer& lex) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
AnyV lhs = parse_expr30(lex);
TokenType t = lex.tok();
while (t == tok_minus || t == tok_plus) {
SrcLocation loc = lex.cur_location();
std::string_view operator_name = lex.cur_str();
lex.next();
AnyV rhs = parse_expr30(lex);
lhs = createV<ast_binary_operator>(loc, operator_name, t, lhs, rhs);
t = lex.tok();
}
return lhs;
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
// parse E << >> ~>> ^>> E (left-to-right)
[Tolk] Compilation pipeline, register global symbols in advance Since I've implemented AST, now I can drop forward declarations. Instead, I traverse AST of all files and register global symbols (functions, constants, global vars) as a separate step, in advance. That's why, while converting AST to Expr/Op, all available symbols are already registered. This greatly simplifies "intermediate state" of yet unknown functions and checking them afterward. Redeclaration of local variables (inside the same scope) is now also prohibited.
2024-10-31 07:04:58 +00:00
static AnyV parse_expr17(Lexer& lex) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
AnyV lhs = parse_expr20(lex);
TokenType t = lex.tok();
while (t == tok_lshift || t == tok_rshift || t == tok_rshiftC || t == tok_rshiftR) {
SrcLocation loc = lex.cur_location();
std::string_view operator_name = lex.cur_str();
lex.next();
AnyV rhs = parse_expr20(lex);
diagnose_addition_in_bitshift(loc, operator_name, rhs);
lhs = createV<ast_binary_operator>(loc, operator_name, t, lhs, rhs);
t = lex.tok();
}
return lhs;
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
// parse E == < > <= >= != <=> E (left-to-right)
[Tolk] Compilation pipeline, register global symbols in advance Since I've implemented AST, now I can drop forward declarations. Instead, I traverse AST of all files and register global symbols (functions, constants, global vars) as a separate step, in advance. That's why, while converting AST to Expr/Op, all available symbols are already registered. This greatly simplifies "intermediate state" of yet unknown functions and checking them afterward. Redeclaration of local variables (inside the same scope) is now also prohibited.
2024-10-31 07:04:58 +00:00
static AnyV parse_expr15(Lexer& lex) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
AnyV lhs = parse_expr17(lex);
TokenType t = lex.tok();
if (t == tok_eq || t == tok_lt || t == tok_gt || t == tok_leq || t == tok_geq || t == tok_neq || t == tok_spaceship) {
SrcLocation loc = lex.cur_location();
std::string_view operator_name = lex.cur_str();
lex.next();
AnyV rhs = parse_expr17(lex);
lhs = createV<ast_binary_operator>(loc, operator_name, t, lhs, rhs);
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
if (t == tok_eq || t == tok_neq) {
lhs = maybe_replace_eq_null_with_isNull_call(lhs->as<ast_binary_operator>());
}
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
return lhs;
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
// parse E & | ^ E (left-to-right)
[Tolk] Compilation pipeline, register global symbols in advance Since I've implemented AST, now I can drop forward declarations. Instead, I traverse AST of all files and register global symbols (functions, constants, global vars) as a separate step, in advance. That's why, while converting AST to Expr/Op, all available symbols are already registered. This greatly simplifies "intermediate state" of yet unknown functions and checking them afterward. Redeclaration of local variables (inside the same scope) is now also prohibited.
2024-10-31 07:04:58 +00:00
static AnyV parse_expr14(Lexer& lex) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
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AnyV lhs = parse_expr15(lex);
TokenType t = lex.tok();
while (t == tok_bitwise_and || t == tok_bitwise_or || t == tok_bitwise_xor) {
SrcLocation loc = lex.cur_location();
std::string_view operator_name = lex.cur_str();
lex.next();
AnyV rhs = parse_expr15(lex);
diagnose_bitwise_precedence(loc, operator_name, lhs, rhs);
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
diagnose_and_or_precedence(loc, lhs, t, operator_name);
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
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lhs = createV<ast_binary_operator>(loc, operator_name, t, lhs, rhs);
t = lex.tok();
}
return lhs;
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
// parse E && || E (left-to-right)
[Tolk] Compilation pipeline, register global symbols in advance Since I've implemented AST, now I can drop forward declarations. Instead, I traverse AST of all files and register global symbols (functions, constants, global vars) as a separate step, in advance. That's why, while converting AST to Expr/Op, all available symbols are already registered. This greatly simplifies "intermediate state" of yet unknown functions and checking them afterward. Redeclaration of local variables (inside the same scope) is now also prohibited.
2024-10-31 07:04:58 +00:00
static AnyV parse_expr13(Lexer& lex) {
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
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AnyV lhs = parse_expr14(lex);
TokenType t = lex.tok();
while (t == tok_logical_and || t == tok_logical_or) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
SrcLocation loc = lex.cur_location();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
std::string_view operator_name = lex.cur_str();
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
lex.next();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
AnyV rhs = parse_expr14(lex);
diagnose_and_or_precedence(loc, lhs, t, operator_name);
lhs = createV<ast_binary_operator>(loc, operator_name, t, lhs, rhs);
t = lex.tok();
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
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}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
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return lhs;
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
// parse E = += -= E and E ? E : E (right-to-left)
[Tolk] Compilation pipeline, register global symbols in advance Since I've implemented AST, now I can drop forward declarations. Instead, I traverse AST of all files and register global symbols (functions, constants, global vars) as a separate step, in advance. That's why, while converting AST to Expr/Op, all available symbols are already registered. This greatly simplifies "intermediate state" of yet unknown functions and checking them afterward. Redeclaration of local variables (inside the same scope) is now also prohibited.
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static AnyV parse_expr10(Lexer& lex) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
AnyV lhs = parse_expr13(lex);
TokenType t = lex.tok();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
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if (t == tok_set_plus || t == tok_set_minus || t == tok_set_mul || t == tok_set_div ||
t == tok_set_mod || t == tok_set_lshift || t == tok_set_rshift ||
t == tok_set_bitwise_and || t == tok_set_bitwise_or || t == tok_set_bitwise_xor ||
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
t == tok_assign) {
SrcLocation loc = lex.cur_location();
std::string_view operator_name = lex.cur_str();
lex.next();
AnyV rhs = parse_expr10(lex);
return createV<ast_binary_operator>(loc, operator_name, t, lhs, rhs);
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
if (t == tok_question) {
SrcLocation loc = lex.cur_location();
lex.next();
AnyV when_true = parse_expr10(lex);
lex.expect(tok_colon, "`:`");
AnyV when_false = parse_expr10(lex);
return createV<ast_ternary_operator>(loc, lhs, when_true, when_false);
}
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
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return lhs;
}
AnyV parse_expr(Lexer& lex) {
return parse_expr10(lex);
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
AnyV parse_statement(Lexer& lex);
static AnyV parse_var_declaration_lhs(Lexer& lex) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
SrcLocation loc = lex.cur_location();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
if (lex.tok() == tok_oppar) {
lex.next();
AnyV first = parse_var_declaration_lhs(lex);
if (lex.tok() == tok_clpar) {
lex.next();
return createV<ast_parenthesized_expr>(loc, first);
}
std::vector<AnyV> args(1, first);
while (lex.tok() == tok_comma) {
lex.next();
args.push_back(parse_var_declaration_lhs(lex));
}
lex.expect(tok_clpar, "`)`");
return createV<ast_tensor>(loc, std::move(args));
}
if (lex.tok() == tok_opbracket) {
lex.next();
std::vector<AnyV> args(1, parse_var_declaration_lhs(lex));
while (lex.tok() == tok_comma) {
lex.next();
args.push_back(parse_var_declaration_lhs(lex));
}
lex.expect(tok_clbracket, "`]`");
return createV<ast_tensor_square>(loc, std::move(args));
}
if (lex.tok() == tok_identifier) {
auto v_ident = createV<ast_identifier>(loc, lex.cur_str());
TypeExpr* declared_type = nullptr;
bool marked_as_redef = false;
lex.next();
if (lex.tok() == tok_colon) {
lex.next();
declared_type = parse_type(lex, nullptr);
} else if (lex.tok() == tok_redef) {
lex.next();
marked_as_redef = true;
}
return createV<ast_local_var>(loc, v_ident, declared_type, marked_as_redef);
}
if (lex.tok() == tok_underscore) {
TypeExpr* declared_type = nullptr;
lex.next();
if (lex.tok() == tok_colon) {
lex.next();
declared_type = parse_type(lex, nullptr);
}
return createV<ast_local_var>(loc, createV<ast_underscore>(loc), declared_type, false);
}
lex.unexpected("variable name");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
static AnyV parse_local_vars_declaration(Lexer& lex) {
SrcLocation loc = lex.cur_location();
bool immutable = lex.tok() == tok_val;
lex.next();
if (immutable) {
lex.error("immutable variables are not supported yet");
}
AnyV lhs = parse_var_declaration_lhs(lex);
if (lex.tok() != tok_assign) {
lex.error("variables declaration must be followed by assignment: `var xxx = ...`");
}
lex.next();
AnyV assigned_val = parse_expr(lex);
if (lex.tok() == tok_comma) {
lex.error("multiple declarations are not allowed, split variables on separate lines");
}
lex.expect(tok_semicolon, "`;`");
return createV<ast_local_vars_declaration>(loc, lhs, assigned_val);
}
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
[Tolk] Compilation pipeline, register global symbols in advance Since I've implemented AST, now I can drop forward declarations. Instead, I traverse AST of all files and register global symbols (functions, constants, global vars) as a separate step, in advance. That's why, while converting AST to Expr/Op, all available symbols are already registered. This greatly simplifies "intermediate state" of yet unknown functions and checking them afterward. Redeclaration of local variables (inside the same scope) is now also prohibited.
2024-10-31 07:04:58 +00:00
static V<ast_sequence> parse_sequence(Lexer& lex) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
SrcLocation loc = lex.cur_location();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.expect(tok_opbrace, "`{`");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
std::vector<AnyV> items;
while (lex.tok() != tok_clbrace) {
items.push_back(parse_statement(lex));
}
SrcLocation loc_end = lex.cur_location();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.expect(tok_clbrace, "`}`");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
return createV<ast_sequence>(loc, loc_end, items);
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
static AnyV parse_return_statement(Lexer& lex) {
SrcLocation loc = lex.cur_location();
lex.expect(tok_return, "`return`");
AnyV child = lex.tok() == tok_semicolon // `return;` actually means `return ();` (which is void)
? createV<ast_tensor>(lex.cur_location(), {})
: parse_expr(lex);
lex.expect(tok_semicolon, "`;`");
return createV<ast_return_statement>(loc, child);
}
static AnyV parse_if_statement(Lexer& lex, bool is_ifnot) {
SrcLocation loc = lex.cur_location();
lex.expect(tok_if, "`if`");
lex.expect(tok_oppar, "`(`");
AnyV cond = parse_expr(lex);
lex.expect(tok_clpar, "`)`");
// replace if(!expr) with ifnot(expr) (this should be done later, but for now, let this be right at parsing time)
if (auto v_not = cond->try_as<ast_unary_operator>(); v_not && v_not->tok == tok_logical_not) {
is_ifnot = !is_ifnot;
cond = v_not->get_rhs();
}
V<ast_sequence> if_body = parse_sequence(lex);
V<ast_sequence> else_body = nullptr;
if (lex.tok() == tok_else) { // else if(e) { } or else { }
lex.next();
if (lex.tok() == tok_if) {
AnyV v_inner_if = parse_if_statement(lex, false);
else_body = createV<ast_sequence>(v_inner_if->loc, lex.cur_location(), {v_inner_if});
} else {
else_body = parse_sequence(lex);
}
} else { // no 'else', create empty block
else_body = createV<ast_sequence>(lex.cur_location(), lex.cur_location(), {});
}
return createV<ast_if_statement>(loc, is_ifnot, cond, if_body, else_body);
}
[Tolk] Compilation pipeline, register global symbols in advance Since I've implemented AST, now I can drop forward declarations. Instead, I traverse AST of all files and register global symbols (functions, constants, global vars) as a separate step, in advance. That's why, while converting AST to Expr/Op, all available symbols are already registered. This greatly simplifies "intermediate state" of yet unknown functions and checking them afterward. Redeclaration of local variables (inside the same scope) is now also prohibited.
2024-10-31 07:04:58 +00:00
static AnyV parse_repeat_statement(Lexer& lex) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
SrcLocation loc = lex.cur_location();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.expect(tok_repeat, "`repeat`");
lex.expect(tok_oppar, "`(`");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
AnyV cond = parse_expr(lex);
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.expect(tok_clpar, "`)`");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
V<ast_sequence> body = parse_sequence(lex);
return createV<ast_repeat_statement>(loc, cond, body);
}
[Tolk] Compilation pipeline, register global symbols in advance Since I've implemented AST, now I can drop forward declarations. Instead, I traverse AST of all files and register global symbols (functions, constants, global vars) as a separate step, in advance. That's why, while converting AST to Expr/Op, all available symbols are already registered. This greatly simplifies "intermediate state" of yet unknown functions and checking them afterward. Redeclaration of local variables (inside the same scope) is now also prohibited.
2024-10-31 07:04:58 +00:00
static AnyV parse_while_statement(Lexer& lex) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
SrcLocation loc = lex.cur_location();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.expect(tok_while, "`while`");
lex.expect(tok_oppar, "`(`");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
AnyV cond = parse_expr(lex);
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.expect(tok_clpar, "`)`");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
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V<ast_sequence> body = parse_sequence(lex);
return createV<ast_while_statement>(loc, cond, body);
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
static AnyV parse_do_while_statement(Lexer& lex) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
SrcLocation loc = lex.cur_location();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.expect(tok_do, "`do`");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
V<ast_sequence> body = parse_sequence(lex);
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.expect(tok_while, "`while`");
lex.expect(tok_oppar, "`(`");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
AnyV cond = parse_expr(lex);
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.expect(tok_clpar, "`)`");
lex.expect(tok_semicolon, "`;`");
return createV<ast_do_while_statement>(loc, body, cond);
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
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}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
static AnyV parse_catch_variable(Lexer& lex) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
SrcLocation loc = lex.cur_location();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
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if (lex.tok() == tok_identifier) {
std::string_view var_name = lex.cur_str();
lex.next();
return createV<ast_identifier>(loc, var_name);
}
if (lex.tok() == tok_underscore) {
lex.next();
return createV<ast_underscore>(loc);
}
lex.unexpected("identifier");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
static AnyV parse_throw_statement(Lexer& lex) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
SrcLocation loc = lex.cur_location();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.expect(tok_throw, "`throw`");
AnyV thrown_code, thrown_arg;
if (lex.tok() == tok_oppar) { // throw (code) or throw (code, arg)
lex.next();
thrown_code = parse_expr(lex);
if (lex.tok() == tok_comma) {
lex.next();
thrown_arg = parse_expr(lex);
} else {
thrown_arg = createV<ast_empty>(loc);
}
lex.expect(tok_clpar, "`)`");
} else { // throw code
thrown_code = parse_expr(lex);
thrown_arg = createV<ast_empty>(loc);
}
lex.expect(tok_semicolon, "`;`");
return createV<ast_throw_statement>(loc, thrown_code, thrown_arg);
}
static AnyV parse_assert_statement(Lexer& lex) {
SrcLocation loc = lex.cur_location();
lex.expect(tok_assert, "`assert`");
lex.expect(tok_oppar, "`(`");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
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AnyV cond = parse_expr(lex);
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
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AnyV thrown_code;
if (lex.tok() == tok_comma) { // assert(cond, code)
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
lex.next();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
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thrown_code = parse_expr(lex);
lex.expect(tok_clpar, "`)`");
} else { // assert(cond) throw code
lex.expect(tok_clpar, "`)`");
lex.expect(tok_throw, "`throw excNo` after assert");
thrown_code = parse_expr(lex);
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
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}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.expect(tok_semicolon, "`;`");
return createV<ast_assert_statement>(loc, cond, thrown_code);
}
static AnyV parse_try_catch_statement(Lexer& lex) {
SrcLocation loc = lex.cur_location();
lex.expect(tok_try, "`try`");
V<ast_sequence> try_body = parse_sequence(lex);
std::vector<AnyV> catch_args;
lex.expect(tok_catch, "`catch`");
SrcLocation catch_loc = lex.cur_location();
if (lex.tok() == tok_oppar) {
lex.next();
catch_args.push_back(parse_catch_variable(lex));
if (lex.tok() == tok_comma) { // catch (excNo, arg)
lex.next();
catch_args.push_back(parse_catch_variable(lex));
} else { // catch (excNo) -> catch (excNo, _)
catch_args.push_back(createV<ast_underscore>(catch_loc));
}
lex.expect(tok_clpar, "`)`");
} else { // catch -> catch (_, _)
catch_args.push_back(createV<ast_underscore>(catch_loc));
catch_args.push_back(createV<ast_underscore>(catch_loc));
}
V<ast_tensor> catch_expr = createV<ast_tensor>(catch_loc, std::move(catch_args));
V<ast_sequence> catch_body = parse_sequence(lex);
return createV<ast_try_catch_statement>(loc, try_body, catch_expr, catch_body);
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
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}
AnyV parse_statement(Lexer& lex) {
switch (lex.tok()) {
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
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case tok_var:
case tok_val:
return parse_local_vars_declaration(lex);
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
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case tok_opbrace:
return parse_sequence(lex);
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
case tok_return:
return parse_return_statement(lex);
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
case tok_if:
return parse_if_statement(lex, false);
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
case tok_repeat:
return parse_repeat_statement(lex);
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
case tok_do:
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
return parse_do_while_statement(lex);
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
case tok_while:
return parse_while_statement(lex);
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
case tok_throw:
return parse_throw_statement(lex);
case tok_assert:
return parse_assert_statement(lex);
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
case tok_try:
return parse_try_catch_statement(lex);
case tok_semicolon: {
[Tolk] Compilation pipeline, register global symbols in advance Since I've implemented AST, now I can drop forward declarations. Instead, I traverse AST of all files and register global symbols (functions, constants, global vars) as a separate step, in advance. That's why, while converting AST to Expr/Op, all available symbols are already registered. This greatly simplifies "intermediate state" of yet unknown functions and checking them afterward. Redeclaration of local variables (inside the same scope) is now also prohibited.
2024-10-31 07:04:58 +00:00
SrcLocation loc = lex.cur_location();
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
lex.next();
[Tolk] Compilation pipeline, register global symbols in advance Since I've implemented AST, now I can drop forward declarations. Instead, I traverse AST of all files and register global symbols (functions, constants, global vars) as a separate step, in advance. That's why, while converting AST to Expr/Op, all available symbols are already registered. This greatly simplifies "intermediate state" of yet unknown functions and checking them afterward. Redeclaration of local variables (inside the same scope) is now also prohibited.
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return createV<ast_empty>(loc);
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
case tok_break:
case tok_continue:
lex.error("break/continue from loops are not supported yet");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
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default: {
AnyV expr = parse_expr(lex);
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.expect(tok_semicolon, "`;`");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
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return expr;
}
}
}
[Tolk] Compilation pipeline, register global symbols in advance Since I've implemented AST, now I can drop forward declarations. Instead, I traverse AST of all files and register global symbols (functions, constants, global vars) as a separate step, in advance. That's why, while converting AST to Expr/Op, all available symbols are already registered. This greatly simplifies "intermediate state" of yet unknown functions and checking them afterward. Redeclaration of local variables (inside the same scope) is now also prohibited.
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static AnyV parse_func_body(Lexer& lex) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
return parse_sequence(lex);
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
static AnyV parse_asm_func_body(Lexer& lex, V<ast_parameter_list> param_list) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
SrcLocation loc = lex.cur_location();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.expect(tok_asm, "`asm`");
size_t n_params = param_list->size();
if (n_params > 16) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
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throw ParseError{loc, "assembler built-in function can have at most 16 arguments"};
}
std::vector<int> arg_order, ret_order;
if (lex.tok() == tok_oppar) {
lex.next();
while (lex.tok() == tok_identifier || lex.tok() == tok_int_const) {
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
int arg_idx = param_list->lookup_idx(lex.cur_str());
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
if (arg_idx == -1) {
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.unexpected("argument name");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
arg_order.push_back(arg_idx);
lex.next();
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
if (lex.tok() == tok_arrow) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
lex.next();
while (lex.tok() == tok_int_const) {
int ret_idx = std::atoi(static_cast<std::string>(lex.cur_str()).c_str());
ret_order.push_back(ret_idx);
lex.next();
}
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.expect(tok_clpar, "`)`");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
std::vector<AnyV> asm_commands;
lex.check(tok_string_const, "\"ASM COMMAND\"");
while (lex.tok() == tok_string_const) {
std::string_view asm_command = lex.cur_str();
asm_commands.push_back(createV<ast_string_const>(lex.cur_location(), asm_command, 0));
lex.next();
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.expect(tok_semicolon, "`;`");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
return createV<ast_asm_body>(loc, std::move(arg_order), std::move(ret_order), std::move(asm_commands));
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
static AnyV parse_genericsT_list(Lexer& lex) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
SrcLocation loc = lex.cur_location();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
std::vector<AnyV> genericsT_items;
lex.expect(tok_lt, "`<`");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
int idx = 0;
while (true) {
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.check(tok_identifier, "T");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
std::string_view nameT = lex.cur_str();
TypeExpr* type = TypeExpr::new_var(idx++);
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
genericsT_items.emplace_back(createV<ast_genericsT_item>(lex.cur_location(), type, nameT));
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
lex.next();
if (lex.tok() != tok_comma) {
break;
}
lex.next();
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.expect(tok_gt, "`>`");
return createV<ast_genericsT_list>{loc, std::move(genericsT_items)};
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
static V<ast_annotation> parse_annotation(Lexer& lex) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
SrcLocation loc = lex.cur_location();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.check(tok_annotation_at, "`@`");
std::string_view name = lex.cur_str();
AnnotationKind kind = Vertex<ast_annotation>::parse_kind(name);
lex.next();
V<ast_tensor> v_arg = nullptr;
if (lex.tok() == tok_oppar) {
SrcLocation loc_args = lex.cur_location();
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
lex.next();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
std::vector<AnyV> args;
args.push_back(parse_expr(lex));
while (lex.tok() == tok_comma) {
lex.next();
args.push_back(parse_expr(lex));
}
lex.expect(tok_clpar, "`)`");
v_arg = createV<ast_tensor>(loc_args, std::move(args));
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
switch (kind) {
case AnnotationKind::unknown:
throw ParseError(loc, "unknown annotation " + static_cast<std::string>(name));
case AnnotationKind::inline_simple:
case AnnotationKind::inline_ref:
case AnnotationKind::pure:
case AnnotationKind::deprecated:
if (v_arg) {
throw ParseError(v_arg->loc, "arguments aren't allowed for " + static_cast<std::string>(name));
}
v_arg = createV<ast_tensor>(loc, {});
break;
case AnnotationKind::method_id:
if (!v_arg || v_arg->size() != 1 || v_arg->get_item(0)->type != ast_int_const) {
throw ParseError(loc, "expecting `(number)` after " + static_cast<std::string>(name));
}
break;
}
return createV<ast_annotation>(loc, kind, v_arg);
}
static AnyV parse_function_declaration(Lexer& lex, const std::vector<V<ast_annotation>>& annotations) {
SrcLocation loc = lex.cur_location();
bool is_get_method = lex.tok() == tok_get;
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
lex.next();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
if (is_get_method && lex.tok() == tok_fun) {
lex.next(); // 'get f()' and 'get fun f()' both correct
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.check(tok_identifier, "function name identifier");
std::string_view f_name = lex.cur_str();
bool is_entrypoint =
f_name == "main" || f_name == "onInternalMessage" || f_name == "onExternalMessage" ||
f_name == "onRunTickTock" || f_name == "onSplitPrepare" || f_name == "onSplitInstall";
bool is_FunC_entrypoint =
f_name == "recv_internal" || f_name == "recv_external" ||
f_name == "run_ticktock" || f_name == "split_prepare" || f_name == "split_install";
if (is_FunC_entrypoint) {
lex.error("this is a reserved FunC/Fift identifier; you need `onInternalMessage`");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
auto v_ident = createV<ast_identifier>(lex.cur_location(), f_name);
lex.next();
V<ast_genericsT_list> genericsT_list = nullptr;
if (lex.tok() == tok_lt) { // 'fun f<T1,T2>'
genericsT_list = parse_genericsT_list(lex)->as<ast_genericsT_list>();
}
V<ast_parameter_list> param_list = parse_parameter_list(lex, genericsT_list)->as<ast_parameter_list>();
TypeExpr* ret_type = nullptr;
if (lex.tok() == tok_colon) { // : <ret_type> (if absent, it means "auto infer", not void)
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
lex.next();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
ret_type = parse_type(lex, genericsT_list);
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
if (is_entrypoint && (is_get_method || genericsT_list || !annotations.empty())) {
throw ParseError(loc, "invalid declaration of a reserved function");
}
AnyV v_body = nullptr;
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
if (lex.tok() == tok_builtin) {
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
v_body = createV<ast_empty>(lex.cur_location());
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
lex.next();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.expect(tok_semicolon, "`;`");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
} else if (lex.tok() == tok_opbrace) {
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
v_body = parse_func_body(lex);
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
} else if (lex.tok() == tok_asm) {
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
if (!ret_type) {
lex.error("asm function must specify return type");
}
v_body = parse_asm_func_body(lex, param_list);
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
} else {
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
lex.unexpected("{ function body }");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
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}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
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auto f_declaration = createV<ast_function_declaration>(loc, v_ident, param_list, v_body);
f_declaration->ret_type = ret_type ? ret_type : TypeExpr::new_hole();
f_declaration->is_entrypoint = is_entrypoint;
f_declaration->genericsT_list = genericsT_list;
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
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f_declaration->marked_as_get_method = is_get_method;
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
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f_declaration->marked_as_builtin = v_body->type == ast_empty;
for (auto v_annotation : annotations) {
switch (v_annotation->kind) {
case AnnotationKind::inline_simple:
f_declaration->marked_as_inline = true;
break;
case AnnotationKind::inline_ref:
f_declaration->marked_as_inline_ref = true;
break;
case AnnotationKind::pure:
f_declaration->marked_as_pure = true;
break;
case AnnotationKind::method_id:
if (is_get_method || genericsT_list || is_entrypoint) {
v_annotation->error("@method_id can be specified only for regular functions");
}
f_declaration->method_id = v_annotation->get_arg()->get_item(0)->as<ast_int_const>();
break;
case AnnotationKind::deprecated:
// no special handling
break;
default:
v_annotation->error("this annotation is not applicable to functions");
}
}
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
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return f_declaration;
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
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static AnyV parse_tolk_required_version(Lexer& lex) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
SrcLocation loc = lex.cur_location();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
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lex.next_special(tok_semver, "semver"); // syntax: "tolk 0.6"
std::string semver = static_cast<std::string>(lex.cur_str());
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
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lex.next();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
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// for simplicity, there is no syntax ">= version" and so on, just strict compare
if (TOLK_VERSION != semver && TOLK_VERSION != semver + ".0") { // 0.6 = 0.6.0
loc.show_warning("the contract is written in Tolk v" + semver + ", but you use Tolk compiler v" + TOLK_VERSION + "; probably, it will lead to compilation errors or hash changes");
}
return createV<ast_tolk_required_version>(loc, tok_eq, semver); // semicolon is not necessary
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
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}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
static AnyV parse_import_statement(Lexer& lex) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
SrcLocation loc = lex.cur_location();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
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lex.expect(tok_import, "`import`");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
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lex.check(tok_string_const, "source file name");
std::string_view rel_filename = lex.cur_str();
if (rel_filename.empty()) {
lex.error("imported file name is an empty string");
}
[Tolk] Compilation pipeline, register global symbols in advance Since I've implemented AST, now I can drop forward declarations. Instead, I traverse AST of all files and register global symbols (functions, constants, global vars) as a separate step, in advance. That's why, while converting AST to Expr/Op, all available symbols are already registered. This greatly simplifies "intermediate state" of yet unknown functions and checking them afterward. Redeclaration of local variables (inside the same scope) is now also prohibited.
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auto v_str = createV<ast_string_const>(lex.cur_location(), rel_filename, 0);
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
lex.next();
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
return createV<ast_import_statement>(loc, v_str); // semicolon is not necessary
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
// the main (exported) function
[Tolk] Compilation pipeline, register global symbols in advance Since I've implemented AST, now I can drop forward declarations. Instead, I traverse AST of all files and register global symbols (functions, constants, global vars) as a separate step, in advance. That's why, while converting AST to Expr/Op, all available symbols are already registered. This greatly simplifies "intermediate state" of yet unknown functions and checking them afterward. Redeclaration of local variables (inside the same scope) is now also prohibited.
2024-10-31 07:04:58 +00:00
AnyV parse_src_file_to_ast(const SrcFile* file) {
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
std::vector<AnyV> toplevel_declarations;
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
std::vector<V<ast_annotation>> annotations;
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
Lexer lex(file);
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
while (!lex.is_eof()) {
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
switch (lex.tok()) {
case tok_tolk:
if (!annotations.empty()) {
lex.unexpected("declaration after @annotations");
}
toplevel_declarations.push_back(parse_tolk_required_version(lex));
break;
case tok_import:
if (!annotations.empty()) {
lex.unexpected("declaration after @annotations");
}
toplevel_declarations.push_back(parse_import_statement(lex));
break;
case tok_semicolon:
if (!annotations.empty()) {
lex.unexpected("declaration after @annotations");
}
lex.next(); // don't add ast_empty, no need
break;
case tok_annotation_at:
annotations.push_back(parse_annotation(lex));
break;
case tok_global:
toplevel_declarations.push_back(parse_global_var_declaration(lex, annotations));
annotations.clear();
break;
case tok_const:
toplevel_declarations.push_back(parse_constant_declaration(lex, annotations));
annotations.clear();
break;
case tok_fun:
case tok_get:
toplevel_declarations.push_back(parse_function_declaration(lex, annotations));
annotations.clear();
break;
case tok_export:
case tok_struct:
case tok_enum:
case tok_operator:
case tok_infix:
lex.error("`" + static_cast<std::string>(lex.cur_str()) +"` is not supported yet");
default:
lex.unexpected("fun or get");
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
}
}
[Tolk] v0.6 syntax: `fun`, `import`, `var`, types on the right, etc. Lots of changes, actually. Most noticeable are: - traditional //comments - #include -> import - a rule "import what you use" - ~ found -> !found (for -1/0) - null() -> null - is_null?(v) -> v == null - throw is a keyword - catch with swapped arguments - throw_if, throw_unless -> assert - do until -> do while - elseif -> else if - drop ifnot, elseifnot - drop rarely used operators A testing framework also appears here. All tests existed earlier, but due to significant syntax changes, their history is useless.
2024-10-31 07:11:41 +00:00
[Tolk] Implement AST: intermediate representation of tolk files Now, the whole .tolk file can be loaded as AST tree and then converted to Expr/Op. This gives a great ability to implement AST transformations. In the future, more and more code analysis will be moved out of legacy to AST-level.
2024-10-31 07:03:33 +00:00
return createV<ast_tolk_file>(file, std::move(toplevel_declarations));
}
} // namespace tolk
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