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Fixed false positives variableHidingTypedef (#5624, #6507)

This commit is contained in:
PKEuS 2015-10-26 10:06:52 +01:00
parent ee58587706
commit 297f2c78bd
2 changed files with 36 additions and 3 deletions
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8
lib/tokenize.cpp
View File

@ -269,7 +269,7 @@ bool Tokenizer::duplicateTypedef(Token **tokPtr, const Token *name, const Token
if (Token::simpleMatch(end, ") {")) { // function parameter ?
// look backwards
if (Token::Match(tok->previous(), "%type%") &&
!Token::Match(tok->previous(), "return|new|const")) {
!Token::Match(tok->previous(), "return|new|const|struct")) {
duplicateTypedefError(*tokPtr, name, "function parameter");
// duplicate definition so skip entire function
*tokPtr = end->next()->link();
@ -351,8 +351,10 @@ bool Tokenizer::duplicateTypedef(Token **tokPtr, const Token *name, const Token
tok = tok->previous();
}
duplicateTypedefError(*tokPtr, name, "variable");
return true;
if ((*tokPtr)->strAt(1) != "(" || !Token::Match((*tokPtr)->linkAt(1), ") .|(|[")) {
duplicateTypedefError(*tokPtr, name, "variable");
return true;
}
}
}
}

31
test/testsimplifytypedef.cpp
View File

@ -152,6 +152,8 @@ private:
TEST_CASE(simplifyTypedef113); // ticket #7030
TEST_CASE(simplifyTypedef114); // ticket #7058 - skip "struct", AB::..
TEST_CASE(simplifyTypedef115); // ticket #6998
TEST_CASE(simplifyTypedef116); // ticket #5624
TEST_CASE(simplifyTypedef117); // ticket #6507
TEST_CASE(simplifyTypedefFunction1);
TEST_CASE(simplifyTypedefFunction2); // ticket #1685
@ -2433,6 +2435,35 @@ private:
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef116() { // #5624
const char code[] = "void fn() {\n"
" typedef std::vector<CharacterConversion> CharacterToConversion;\n"
" CharacterToConversion c2c;\n"
" for (CharacterToConversion::iterator it = c2c.begin(); it != c2c.end(); ++it) {}\n"
" CharacterToConversion().swap(c2c);\n"
"}";
const char expected[] = "void fn ( ) { "
"std :: vector < CharacterConversion > c2c ; "
"for ( std :: vector < CharacterConversion > :: iterator it = c2c . begin ( ) ; it != c2c . end ( ) ; ++ it ) { } "
"std :: vector < CharacterConversion > ( ) . swap ( c2c ) ; "
"}";
ASSERT_EQUALS(expected, tok(code, false));
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef117() { // #6507
const char code[] = "typedef struct bstr {} bstr;\n"
"struct bstr bstr0(const char *s) {\n"
" return (struct bstr) { (unsigned char *)s, s ? strlen(s) : 0 };\n"
"}";
const char expected[] = "struct bstr { } ; "
"struct bstr bstr0 ( const char * s ) { "
"return ( struct bstr ) { ( unsigned char * ) s , s ? strlen ( s ) : 0 } ; "
"}";
ASSERT_EQUALS(expected, tok(code, false));
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedefFunction1() {
{
const char code[] = "typedef void (*my_func)();\n"