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[FunC] Support traditional // and /**/ comments

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They work alongside Lisp-style ;; and {--}, without any #pragma.
Conceptually, a new syntax should be disabled by default
and activated using a special compiler option.
But now, we don't have an easy way to provide compiler options
in func-js, blueprint, etc.
Note, that introducing per-file #pragma is a wrong approach here,
since if we want to fire human-readable error on using '//' without pragma,
lexer should nevertheless work differently.
(this could be controlled by a launch option, but see above)
This commit is contained in:
Aleksandr Kirsanov 2024-04-30 20:32:07 +03:00
parent a174f858be
commit 30572c77d6
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GPG key ID: B758BBAA01FFB3D3
6 changed files with 105 additions and 27 deletions
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4
crypto/tl/tlbc.cpp
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@ -2421,7 +2421,9 @@ std::vector<const src::FileDescr*> source_fdescr;
bool parse_source(std::istream* is, src::FileDescr* fdescr) {
src::SourceReader reader{is, fdescr};
src::Lexer lex{reader, true, "(){}:;? #$. ^~ #", "//", "/*", "*/", ""};
src::Lexer lex{reader, "(){}:;? #$. ^~ #", ""};
lex.set_comment_tokens("//", "/*", "*/");
lex.start_parsing();
while (lex.tp() != src::_Eof) {
parse_constructor_def(lex);
// std::cerr << lex.cur().str << '\t' << lex.cur().name_str() << std::endl;