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Tokenizer::simplifyConstTernaryOp: Properly detect the end of the 'false' part of ternary operators when it contains '>'.

This commit is contained in:
Simon Martin 2014-10-11 17:01:08 +02:00 committed by Daniel Marjamäki
parent b96f4f53ad
commit 70561682eb
2 changed files with 26 additions and 13 deletions
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10
lib/tokenize.cpp
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@ -4823,8 +4823,12 @@ bool Tokenizer::simplifyConstTernaryOp()
const int offset = (tok->previous()->str() == ")") ? 2 : 1;
if (tok->strAt(-2*offset) == "<" && !TemplateSimplifier::templateParameters(tok->tokAt(-2*offset)))
continue;
bool inTemplateParameter = false;
if (tok->strAt(-2*offset) == "<") {
if (!TemplateSimplifier::templateParameters(tok->tokAt(-2*offset)))
continue;
inTemplateParameter = true;
}
// Find the token ":" then go to the next token
Token *semicolon = skipTernaryOp(tok);
@ -4869,6 +4873,8 @@ bool Tokenizer::simplifyConstTernaryOp()
else if (Token::Match(endTok, ")|}|]|;|,|:|>")) {
if (endTok->str() == ":" && ternaryOplevel)
--ternaryOplevel;
else if (endTok->str() == ">" && !inTemplateParameter)
;
else {
Token::eraseTokens(semicolon->tokAt(-2), endTok);
ret = true;

29
test/testtokenize.cpp
View File

@ -3599,17 +3599,24 @@ private:
}
void simplify_constants6() { // Ticket #5625
const char code[] = "template < class T > struct foo ;\n"
"void bar ( ) {\n"
"foo < 1 ? 0 ? 1 : 6 : 2 > x ;\n"
"foo < 1 ? 0 : 2 > y ;\n"
"}";
const char exp [] = "template < class T > struct foo ;\n"
"void bar ( ) {\n"
"foo < 6 > x ;\n"
"foo < 0 > y ;\n"
"}";
ASSERT_EQUALS(exp, tokenizeAndStringify(code, true));
{
const char code[] = "template < class T > struct foo ;\n"
"void bar ( ) {\n"
"foo < 1 ? 0 ? 1 : 6 : 2 > x ;\n"
"foo < 1 ? 0 : 2 > y ;\n"
"}";
const char exp [] = "template < class T > struct foo ;\n"
"void bar ( ) {\n"
"foo < 6 > x ;\n"
"foo < 0 > y ;\n"
"}";
ASSERT_EQUALS(exp, tokenizeAndStringify(code, true));
}
{
const char code[] = "bool b = true ? false : 1 > 2 ;";
const char exp [] = "bool b ; b = false ;";
ASSERT_EQUALS(exp, tokenizeAndStringify(code, true));
}
}
void simplify_null() {