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Fixed #4463 (false positive: (style) Variable 'CHDERR_NOT_OPEN' hides enumerator with same name)

This commit is contained in:
Daniel Marjamäki 2013-06-12 06:45:26 +02:00
parent 47931372ff
commit c4763b9010
2 changed files with 9 additions and 2 deletions
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4
lib/tokenize.cpp
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@ -7142,7 +7142,7 @@ bool Tokenizer::duplicateDefinition(Token ** tokPtr, const Token * name) const
const Token *back = tok;
while (back && back->isName())
back = back->previous();
if (!back || Token::Match(back, "[(,;{}] !!return")) {
if (!back || (Token::Match(back, "[(,;{}]") && !Token::Match(back->next(),"return|throw"))) {
duplicateEnumError(*tokPtr, name, "Variable");
return true;
}
@ -7461,7 +7461,7 @@ void Tokenizer::simplifyEnum()
tok3 = tok3->link(); // skip inner scopes
else if (tok3->isName() && enumValues.find(tok3->str()) != enumValues.end()) {
const Token *prev = tok3->previous();
if ((prev->isName() && !Token::Match(prev, "return|case")) ||
if ((prev->isName() && !Token::Match(prev, "return|case|throw")) ||
prev->str() == "*" ||
Token::Match(prev, "& %type% =")) {
// variable declaration?

7
test/testsimplifytokens.cpp
View File

@ -361,6 +361,7 @@ private:
TEST_CASE(enum35); // ticket #3953 (avoid simplification of type)
TEST_CASE(enum36); // ticket #4378
TEST_CASE(enum37); // ticket #4280 (shadow variable)
TEST_CASE(enum38); // ticket #4463 (when throwing enum id, don't warn about shadow variable)
TEST_CASE(enumscope1); // ticket #3949
TEST_CASE(duplicateDefinition); // ticket #3565
@ -7362,6 +7363,12 @@ private:
ASSERT_EQUALS("void f ( ) { int & a = x ; }", checkSimplifyEnum(code4));
}
void enum38() { // #4463
const char code[] = "enum { a,b }; void f() { throw a; }";
checkSimplifyEnum(code);
ASSERT_EQUALS("", errout.str());
}
void enumscope1() { // #3949 - don't simplify enum from one function in another function
const char code[] = "void foo() { enum { A = 0, B = 1 }; }\n"
"void bar() { int a = A; }";