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[FunC] Add builtin keyword to be used in stdlib later on

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Aleksandr Kirsanov 2024-05-07 13:10:56 +03:00
parent acf0043342
commit cdef8302b0
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GPG key ID: B758BBAA01FFB3D3
6 changed files with 99 additions and 36 deletions
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24
crypto/func/parse-func.cpp
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@ -1358,7 +1358,7 @@ SymValAsmFunc* parse_asm_func_body(Lexer& lex, TypeExpr* func_type, const Formal
for (const int& x : ret_order) {
crc_s += std::string((const char*) (&x), (const char*) (&x + 1));
}
auto res = new SymValAsmFunc{func_type, asm_ops, marked_as_pure};
auto res = new SymValAsmFunc{func_type, std::move(asm_ops), marked_as_pure};
res->arg_order = std::move(arg_order);
res->ret_order = std::move(ret_order);
res->crc = td::crc64(crc_s);
@ -1564,11 +1564,27 @@ void parse_func_def(Lexer& lex) {
method_id = td::make_refint((crc & 0xffff) | 0x10000);
}
}
if (lex.tp() != ';' && lex.tp() != '{' && lex.tp() != _Asm) {
lex.expect('{', "function body block expected");
}
TypeExpr* func_type = TypeExpr::new_map(extract_total_arg_type(arg_list), ret_type);
func_type = compute_type_closure(func_type, type_vars);
if (lex.tp() == _Builtin) {
const SymDef* builtin_func = sym::lookup_symbol(func_name.str);
const SymValFunc* func_val = builtin_func ? dynamic_cast<SymValFunc*>(builtin_func->value) : nullptr;
if (!func_val || !func_val->is_builtin()) {
lex.cur().error("`builtin` used for non-builtin function");
}
#ifdef FUNC_DEBUG
// in release, we don't need this check, since `builtin` is used only in stdlib.fc, which is our responsibility
if (!func_val->sym_type->equals_to(func_type) || func_val->is_marked_as_pure() != marked_as_pure) {
lex.cur().error("declaration for `builtin` function doesn't match an actual one");
}
#endif
lex.next();
lex.expect(';');
return;
}
if (lex.tp() != ';' && lex.tp() != '{' && lex.tp() != _Asm) {
lex.expect('{', "function body block");
}
if (verbosity >= 1) {
std::cerr << "function " << func_name.str << " : " << func_type << std::endl;
}