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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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8
tolk/symtable.cpp
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@ -22,12 +22,6 @@
namespace tolk {
Symbol::Symbol(std::string str, sym_idx_t idx) : str(std::move(str)), idx(idx) {
subclass = this->str[0] == '.' ? SymbolSubclass::dot_identifier
: this->str[0] == '~' ? SymbolSubclass::tilde_identifier
: SymbolSubclass::undef;
}
std::string Symbol::unknown_symbol_name(sym_idx_t i) {
if (!i) {
return "_";
@ -78,7 +72,7 @@ void open_scope(SrcLocation loc) {
G.scope_opened_at.push_back(loc);
}
void close_scope(SrcLocation loc) {
void close_scope() {
if (!G.scope_level) {
throw Fatal{"cannot close the outer scope"};
}