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Fixed #4973 (wrong enum simplification of shadow struct variable)

This commit is contained in:
Daniel Marjamäki 2016-02-07 15:15:20 +01:00
parent 6c1012a8d6
commit 5fef7cc050
2 changed files with 11 additions and 4 deletions
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8
lib/tokenize.cpp
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@ -7549,10 +7549,11 @@ void Tokenizer::simplifyEnum()
bool inScope = !enumClass; // enum class objects are always in a different scope
std::stack<std::set<std::string> > shadowId; // duplicate ids in inner scope
bool simplify = false;
const EnumValue *ev = nullptr;
for (Token *tok2 = tok1->next(); tok2; tok2 = tok2->next()) {
bool simplify = false;
const EnumValue *ev = nullptr;
if (tok2->str() == "}") {
--level;
if (level < 0)
@ -7640,6 +7641,7 @@ void Tokenizer::simplifyEnum()
}
} else if (inScope && // enum is in scope
(shadowId.empty() || shadowId.top().find(tok2->str()) == shadowId.top().end()) && // no shadow enum/var/etc of enum
!Token::Match(tok2->previous(), "} %name% ;") &&
enumValues.find(tok2->str()) != enumValues.end()) { // tok2 is a enum id with a known value
ev = &(enumValues.find(tok2->str())->second);
if (!duplicateDefinition(&tok2)) {
@ -7697,8 +7699,6 @@ void Tokenizer::simplifyEnum()
tok2 = tok2->next();
}
}
simplify = false;
}
}
}

7
test/testsimplifytokens.cpp
View File

@ -202,6 +202,7 @@ private:
TEST_CASE(enum44);
TEST_CASE(enum45); // ticket #6806 (enum in init list)
TEST_CASE(enum46); // ticket #4625 (shadow declaration)
TEST_CASE(enum47); // ticket #4973 (wrong simplification in shadow struct variable declaration)
TEST_CASE(enumscope1); // ticket #3949
TEST_CASE(enumOriginalName)
TEST_CASE(duplicateDefinition); // ticket #3565
@ -3311,6 +3312,12 @@ private:
ASSERT_EQUALS("class c { } ;", checkSimplifyEnum(code));
}
void enum47() { // #4973 - wrong simplification in shadow struct variable declaration
const char code[] = "enum e {foo};\n"
"union { struct { } foo; };";
ASSERT_EQUALS("union { struct Anonymous0 { } ; struct Anonymous0 foo ; } ;", checkSimplifyEnum(code));
}
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; }";