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Code Issues Releases Wiki Activity

[Tolk] Tolk v0.5.0 as FunC v0.5.0 could have been like

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All changes from PR "FunC v0.5.0":
https://github.com/ton-blockchain/ton/pull/1026

Instead of developing FunC, we decided to fork it.
BTW, the first Tolk release will be v0.6,
a metaphor of FunC v0.5 that missed a chance to occur.
This commit is contained in:
tolk-vm 2024-10-31 10:54:05 +04:00
parent 82648ebd6a
commit ebbab54cda
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GPG key ID: 7905DD7FE0324B12
21 changed files with 1345 additions and 789 deletions
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49
tolk/analyzer.cpp
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@ -360,10 +360,10 @@ bool Op::compute_used_vars(const CodeBlob& code, bool edit) {
case _Tuple:
case _UnTuple: {
// left = EXEC right;
if (!next_var_info.count_used(left) && is_pure()) {
if (!next_var_info.count_used(left) && !impure()) {
// all variables in `left` are not needed
if (edit) {
disable();
set_disabled();
}
return std_compute_used_vars(true);
}
@ -372,7 +372,7 @@ bool Op::compute_used_vars(const CodeBlob& code, bool edit) {
case _SetGlob: {
// GLOB = right
if (right.empty() && edit) {
disable();
set_disabled();
}
return std_compute_used_vars(right.empty());
}
@ -399,7 +399,7 @@ bool Op::compute_used_vars(const CodeBlob& code, bool edit) {
}
if (!cnt && edit) {
// all variables in `left` are not needed
disable();
set_disabled();
}
return set_var_info(std::move(new_var_info));
}
@ -860,15 +860,45 @@ VarDescrList Op::fwd_analyze(VarDescrList values) {
}
}
bool Op::set_noreturn(bool nr) {
if (nr) {
void Op::set_disabled(bool flag) {
if (flag) {
flags |= _Disabled;
} else {
flags &= ~_Disabled;
}
}
bool Op::set_noreturn(bool flag) {
if (flag) {
flags |= _NoReturn;
} else {
flags &= ~_NoReturn;
}
return nr;
return flag;
}
void Op::set_impure(const CodeBlob &code) {
// todo calling this function with `code` is a bad design (flags are assigned after Op is constructed)
// later it's better to check this somewhere in code.emplace_back()
if (code.flags & CodeBlob::_ForbidImpure) {
throw ParseError(where, "An impure operation in a pure function");
}
flags |= _Impure;
}
void Op::set_impure(const CodeBlob &code, bool flag) {
if (flag) {
if (code.flags & CodeBlob::_ForbidImpure) {
throw ParseError(where, "An impure operation in a pure function");
}
flags |= _Impure;
} else {
flags &= ~_Impure;
}
}
bool Op::mark_noreturn() {
switch (cl) {
case _Nop:
@ -888,13 +918,14 @@ bool Op::mark_noreturn() {
case _Call:
return set_noreturn(next->mark_noreturn());
case _Return:
return set_noreturn(true);
return set_noreturn();
case _If:
case _TryCatch:
// note, that & | (not && ||) here and below is mandatory to invoke both left and right calls
return set_noreturn((static_cast<int>(block0->mark_noreturn()) & static_cast<int>(block1 && block1->mark_noreturn())) | static_cast<int>(next->mark_noreturn()));
case _Again:
block0->mark_noreturn();
return set_noreturn(true);
return set_noreturn();
case _Until:
return set_noreturn(static_cast<int>(block0->mark_noreturn()) | static_cast<int>(next->mark_noreturn()));
case _While: