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Refactoring Tokenizer::simplifyAttribute

This commit is contained in:
Daniel Marjamäki 2014-12-24 13:03:38 +01:00
parent fb3f5a159d
commit 06803ee333
1 changed files with 38 additions and 79 deletions
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117
lib/tokenize.cpp
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@ -9279,96 +9279,55 @@ void Tokenizer::simplifyAttribute()
tok->next()->link()->next()->isAttributeDestructor(true);
}
else if (Token::Match(tok->tokAt(2), "( unused|__unused__ )")) {
else if (Token::Match(tok->tokAt(2), "( unused|__unused__|used|__used__ )")) {
const std::string &attribute(tok->strAt(3));
Token *vartok = nullptr;
// check if after variable name
if (Token::Match(tok->next()->link()->next(), ";|=")) {
if (Token::Match(tok->previous(), "%type%"))
tok->previous()->isAttributeUnused(true);
vartok = tok->previous();
}
// check if before variable name
else if (Token::Match(tok->next()->link()->next(), "%type%"))
tok->next()->link()->next()->isAttributeUnused(true);
vartok = tok->next()->link()->next();
if (vartok) {
if (attribute.find("unused") != std::string::npos)
vartok->isAttributeUnused(true);
else
vartok->isAttributeUsed(true);
}
}
else if (Token::Match(tok->tokAt(2), "( used|__used__ )")) {
// check if after variable name
if (Token::Match(tok->next()->link()->next(), ";|=")) {
if (Token::Match(tok->previous(), "%type%"))
tok->previous()->isAttributeUsed(true);
else if (Token::Match(tok->tokAt(2), "( pure|__pure__|const|__const__|noreturn|__noreturn__|nothrow|__nothrow__ )")) {
const std::string &attribute(tok->strAt(3));
Token *functok = nullptr;
// type func(...) __attribute__((attribute));
if (tok->previous() && tok->previous()->link() && Token::Match(tok->previous()->link()->previous(), "%var% ("))
functok = tok->previous()->link()->previous();
// type __attribute__((attribute)) func() { }
else {
Token *tok2 = tok->next()->link();
while (Token::Match(tok2, ") __attribute__|__attribute ("))
tok2 = tok2->linkAt(2);
if (Token::Match(tok2, ") %var% ("))
functok = tok2->next();
}
// check if before variable name
else if (Token::Match(tok->next()->link()->next(), "%type%"))
tok->next()->link()->next()->isAttributeUsed(true);
}
else if (Token::Match(tok->tokAt(2), "( pure|__pure__ )")) {
// type func(...) __attribute__((pure));
if (tok->previous() && tok->previous()->link() && Token::Match(tok->previous()->link()->previous(), "%var% ("))
tok->previous()->link()->previous()->isAttributePure(true);
// type __attribute__((pure)) func() { }
else if (Token::Match(tok->next()->link(), ") __attribute__|__attribute (") &&
Token::Match(tok->next()->link()->linkAt(2), ") __attribute__|__attribute (") &&
Token::Match(tok->next()->link()->linkAt(2)->linkAt(2), ") %var% ("))
tok->next()->link()->linkAt(2)->linkAt(2)->next()->isAttributePure(true);
else if (Token::Match(tok->next()->link(), ") __attribute__|__attribute (") &&
Token::Match(tok->next()->link()->linkAt(2), ") %var% ("))
tok->next()->link()->linkAt(2)->next()->isAttributePure(true);
else if (Token::Match(tok->next()->link(), ") %var% ("))
tok->next()->link()->next()->isAttributePure(true);
}
else if (Token::Match(tok->tokAt(2), "( const|__const__ )")) {
// type func(...) __attribute__((const));
if (tok->previous() && tok->previous()->link() && Token::Match(tok->previous()->link()->previous(), "%var% ("))
tok->previous()->link()->previous()->isAttributeConst(true);
// type __attribute__((const)) func() { }
else if (Token::Match(tok->next()->link(), ") __attribute__|__attribute (") &&
Token::Match(tok->next()->link()->linkAt(2), ") __attribute__|__attribute (") &&
Token::Match(tok->next()->link()->linkAt(2)->linkAt(2), ") %var% ("))
tok->next()->link()->linkAt(2)->linkAt(2)->next()->isAttributeConst(true);
else if (Token::Match(tok->next()->link(), ") __attribute__|__attribute (") &&
Token::Match(tok->next()->link()->linkAt(2), ") %var% ("))
tok->next()->link()->linkAt(2)->next()->isAttributeConst(true);
else if (Token::Match(tok->next()->link(), ") %var% ("))
tok->next()->link()->next()->isAttributeConst(true);
}
else if (Token::Match(tok->tokAt(2), "( noreturn|__noreturn__")) {
// type func(...) __attribute__((noreturn));
if (tok->previous() && tok->previous()->link() && Token::Match(tok->previous()->link()->previous(), "%var% ("))
tok->previous()->link()->previous()->isAttributeNoreturn(true);
// type __attribute__((noreturn)) func() { }
else if (Token::Match(tok->next()->link(), ") __attribute__|__attribute (") &&
Token::Match(tok->next()->link()->linkAt(2), ") __attribute__|__attribute (") &&
Token::Match(tok->next()->link()->linkAt(2)->linkAt(2), ") %var% ("))
tok->next()->link()->linkAt(2)->linkAt(2)->next()->isAttributeNoreturn(true);
else if (Token::Match(tok->next()->link(), ") __attribute__|__attribute (") &&
Token::Match(tok->next()->link()->linkAt(2), ") %var% ("))
tok->next()->link()->linkAt(2)->next()->isAttributeNoreturn(true);
else if (Token::Match(tok->next()->link(), ") %var% ("))
tok->next()->link()->next()->isAttributeNoreturn(true);
}
else if (Token::Match(tok->tokAt(2), "( nothrow|__nothrow__")) {
// type func(...) __attribute__((nothrow));
if (tok->previous() && tok->previous()->link() && Token::Match(tok->previous()->link()->previous(), "%var% ("))
tok->previous()->link()->previous()->isAttributeNothrow(true);
// type __attribute__((nothrow)) func() { }
else if (Token::Match(tok->next()->link(), ") __attribute__|__attribute (") &&
Token::Match(tok->next()->link()->linkAt(2), ") __attribute__|__attribute (") &&
Token::Match(tok->next()->link()->linkAt(2)->linkAt(2), ") %var% ("))
tok->next()->link()->linkAt(2)->linkAt(2)->next()->isAttributeNothrow(true);
else if (Token::Match(tok->next()->link(), ") __attribute__|__attribute (") &&
Token::Match(tok->next()->link()->linkAt(2), ") %var% ("))
tok->next()->link()->linkAt(2)->next()->isAttributeNothrow(true);
else if (Token::Match(tok->next()->link(), ") %var% ("))
tok->next()->link()->next()->isAttributeNothrow(true);
if (functok) {
if (attribute.find("pure") != std::string::npos)
functok->isAttributePure(true);
else if (attribute.find("const") != std::string::npos)
functok->isAttributeConst(true);
else if (attribute.find("noreturn") != std::string::npos)
functok->isAttributeNoreturn(true);
else if (attribute.find("nothrow") != std::string::npos)
functok->isAttributeNothrow(true);
}
}
Token::eraseTokens(tok, tok->next()->link()->next());