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[Tolk] Implement AST: intermediate representation of tolk files

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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.
This commit is contained in:
tolk-vm 2024-10-31 11:03:33 +04:00
parent 6c30e5a7eb
commit 80001d1756
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GPG key ID: 7905DD7FE0324B12
23 changed files with 3798 additions and 2233 deletions
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14
tolk/abscode.cpp
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@ -25,8 +25,8 @@ namespace tolk {
*
*/
TmpVar::TmpVar(var_idx_t _idx, int _cls, TypeExpr* _type, SymDef* sym, SrcLocation loc)
: v_type(_type), idx(_idx), cls(_cls), coord(0), where(loc) {
TmpVar::TmpVar(var_idx_t _idx, bool _is_tmp_unnamed, TypeExpr* _type, SymDef* sym, SrcLocation loc)
: v_type(_type), idx(_idx), is_tmp_unnamed(_is_tmp_unnamed), coord(0), where(loc) {
if (sym) {
name = sym->sym_idx;
sym->value->idx = _idx;
@ -59,9 +59,9 @@ void TmpVar::dump(std::ostream& os) const {
}
void TmpVar::show(std::ostream& os, int omit_idx) const {
if (cls & _Named) {
if (!is_tmp_unnamed) {
os << G.symbols.get_name(name);
if (omit_idx && (omit_idx >= 2 || (cls & _UniqueName))) {
if (omit_idx >= 2) {
return;
}
}
@ -474,8 +474,8 @@ void CodeBlob::print(std::ostream& os, int flags) const {
os << "-------- END ---------\n\n";
}
var_idx_t CodeBlob::create_var(int cls, TypeExpr* var_type, SymDef* sym, SrcLocation location) {
vars.emplace_back(var_cnt, cls, var_type, sym, location);
var_idx_t CodeBlob::create_var(bool is_tmp_unnamed, TypeExpr* var_type, SymDef* sym, SrcLocation location) {
vars.emplace_back(var_cnt, is_tmp_unnamed, var_type, sym, location);
if (sym) {
sym->value->idx = var_cnt;
}
@ -492,7 +492,7 @@ bool CodeBlob::import_params(FormalArgList arg_list) {
SymDef* arg_sym;
SrcLocation arg_loc;
std::tie(arg_type, arg_sym, arg_loc) = par;
list.push_back(create_var(arg_sym ? (TmpVar::_In | TmpVar::_Named) : TmpVar::_In, arg_type, arg_sym, arg_loc));
list.push_back(create_var(arg_sym == nullptr, arg_type, arg_sym, arg_loc));
}
emplace_back(loc, Op::_Import, list);
in_var_cnt = var_cnt;