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[Tolk] Get rid of ~tilda with mutate and self methods

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This is a very big change.
If FunC has `.methods()` and `~methods()`, Tolk has only dot,
one and only way to call a `.method()`.
A method may mutate an object, or may not.
It's a behavioral and semantic difference from FunC.

- `cs.loadInt(32)` modifies a slice and returns an integer
- `b.storeInt(x, 32)` modifies a builder
- `b = b.storeInt()` also works, since it not only modifies, but returns
- chained methods also work, they return `self`
- everything works exactly as expected, similar to JS
- no runtime overhead, exactly same Fift instructions
- custom methods are created with ease
- tilda `~` does not exist in Tolk at all
This commit is contained in:
tolk-vm 2024-10-31 11:18:54 +04:00
parent 12ff28ac94
commit d9dba320cc
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GPG key ID: 7905DD7FE0324B12
85 changed files with 2710 additions and 1965 deletions
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23
tolk/abscode.cpp
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@ -25,12 +25,8 @@ namespace tolk {
*
*/
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;
}
TmpVar::TmpVar(var_idx_t _idx, TypeExpr* _type, sym_idx_t sym_idx, SrcLocation loc)
: v_type(_type), idx(_idx), sym_idx(sym_idx), coord(0), where(loc) {
if (!_type) {
v_type = TypeExpr::new_hole();
}
@ -59,8 +55,8 @@ void TmpVar::dump(std::ostream& os) const {
}
void TmpVar::show(std::ostream& os, int omit_idx) const {
if (!is_tmp_unnamed) {
os << G.symbols.get_name(name);
if (!is_unnamed()) {
os << G.symbols.get_name(sym_idx);
if (omit_idx >= 2) {
return;
}
@ -462,16 +458,13 @@ void CodeBlob::print(std::ostream& os, int flags) const {
os << "-------- END ---------\n\n";
}
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;
}
var_idx_t CodeBlob::create_var(TypeExpr* var_type, var_idx_t sym_idx, SrcLocation location) {
vars.emplace_back(var_cnt, var_type, sym_idx, location);
return var_cnt++;
}
bool CodeBlob::import_params(FormalArgList arg_list) {
if (var_cnt || in_var_cnt || op_cnt) {
if (var_cnt || in_var_cnt) {
return false;
}
std::vector<var_idx_t> list;
@ -480,7 +473,7 @@ 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 == nullptr, arg_type, arg_sym, arg_loc));
list.push_back(create_var(arg_type, arg_sym ? arg_sym->sym_idx : 0, arg_loc));
}
emplace_back(loc, Op::_Import, list);
in_var_cnt = var_cnt;