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Fixed #5996 (false positive: Clarify calculation precedence for '+' and '?'.)

This commit is contained in:
Daniel Marjamäki 2014-07-19 18:29:53 +02:00
parent 264b94e0fa
commit 328cc7b8f5
2 changed files with 11 additions and 12 deletions
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15
lib/tokenize.cpp
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@ -4886,20 +4886,13 @@ void Tokenizer::simplifyCasts()
}
}
while (Token::Match(tok->next(), "dynamic_cast|reinterpret_cast|const_cast|static_cast <")) {
if (Token::Match(tok->next(), "dynamic_cast|reinterpret_cast|const_cast|static_cast <")) {
Token *tok2 = tok->linkAt(2);
if (Token::simpleMatch(tok2, "> (")) {
Token *closeBracket = tok2->next()->link();
if (closeBracket) {
Token::eraseTokens(tok, tok2->tokAt(2));
closeBracket->deleteThis();
} else {
break;
}
} else {
if (Token::simpleMatch(tok2, "> ("))
Token::eraseTokens(tok, tok2->next());
else
break;
}
}
}
}

8
test/testtokenize.cpp
View File

@ -108,6 +108,7 @@ private:
TEST_CASE(removeCast12);
TEST_CASE(removeCast13);
TEST_CASE(removeCast14);
TEST_CASE(removeCast15); // #5996 - don't remove cast in 'a+static_cast<int>(b?60:0)'
TEST_CASE(simplifyFloatCasts); // float casting a integer
@ -1175,7 +1176,7 @@ private:
tokenizer.simplifyCasts();
ASSERT_EQUALS("t = & p ;", tokenizer.tokens()->stringifyList(0, false));
ASSERT_EQUALS("t = ( & p ) ;", tokenizer.tokens()->stringifyList(0, false));
}
void removeCast3() {
@ -1257,6 +1258,11 @@ private:
ASSERT_EQUALS("bar ( & ptr ) ;", tokenizeAndStringify("bar((const X**)&ptr);",true));
}
void removeCast15() { // #5996 - don't remove cast in 'a+static_cast<int>(b?60:0)'
ASSERT_EQUALS("a + ( b ? 60 : 0 ) ;",
tokenizeAndStringify("a + static_cast<int>(b ? 60 : 0);",true));
}
void simplifyFloatCasts() { // float casting integers
// C-style casts
ASSERT_EQUALS("a = 1.0f ;", tokenizeAndStringify("a = (float)1;"));