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[Tolk] v0.6 syntax: fun, import, var, types on the right, etc.

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Lots of changes, actually. Most noticeable are:
- traditional //comments
- #include -> import
- a rule "import what you use"
- ~ found -> !found (for -1/0)
- null() -> null
- is_null?(v) -> v == null
- throw is a keyword
- catch with swapped arguments
- throw_if, throw_unless -> assert
- do until -> do while
- elseif -> else if
- drop ifnot, elseifnot
- drop rarely used operators

A testing framework also appears here. All tests existed earlier,
but due to significant syntax changes, their history is useless.
This commit is contained in:
tolk-vm 2024-10-31 11:11:41 +04:00
parent 5a3e3595d6
commit e2edadba92
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GPG key ID: 7905DD7FE0324B12
133 changed files with 8196 additions and 2605 deletions
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4
tolk/analyzer.cpp
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@ -883,7 +883,7 @@ 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");
throw ParseError(where, "an impure operation in a pure function");
}
flags |= _Impure;
}
@ -891,7 +891,7 @@ void Op::set_impure(const CodeBlob &code) {
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");
throw ParseError(where, "an impure operation in a pure function");
}
flags |= _Impure;
} else {