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ValueType: Handle 'auto'. First fix for #4345

This commit is contained in:
Daniel Marjamäki 2017-02-26 20:02:57 +01:00
parent d840005f06
commit dad455c0dd
2 changed files with 18 additions and 1 deletions
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16
lib/symboldatabase.cpp
View File

@ -4425,6 +4425,14 @@ static void setValueType(Token *tok, const ValueType &valuetype, bool cpp, Value
if (parent->isAssignmentOp()) {
if (vt1)
setValueType(parent, *vt1, cpp, defaultSignedness, settings);
else if (cpp && Token::Match(parent->tokAt(-5), "[;{}] auto %var% ; %var% =")) {
Token *autoTok = parent->tokAt(-4);
if (autoTok->strAt(1) == parent->strAt(-1)) {
setValueType(autoTok, *vt2, cpp, defaultSignedness, settings);
setValueType(autoTok->next(), *vt2, cpp, defaultSignedness, settings);
setValueType(parent->previous(), *vt2, cpp, defaultSignedness, settings);
}
}
return;
}
@ -4604,7 +4612,13 @@ static const Token * parsedecl(const Token *type, ValueType * const valuetype, V
valuetype->type = ValueType::Type::FLOAT;
else if (type->str() == "double")
valuetype->type = type->isLong() ? ValueType::Type::LONGDOUBLE : ValueType::Type::DOUBLE;
else if (!valuetype->typeScope && (type->str() == "struct" || type->str() == "enum"))
else if (type->str() == "auto" && type->valueType()) {
const ValueType *vt = type->valueType();
valuetype->type = vt->type;
valuetype->pointer = vt->pointer;
if (vt->sign != ValueType::Sign::UNKNOWN_SIGN)
valuetype->sign = vt->sign;
} else if (!valuetype->typeScope && (type->str() == "struct" || type->str() == "enum"))
valuetype->type = ValueType::Type::NONSTD;
else if (!valuetype->typeScope && type->type() && type->type()->classScope) {
valuetype->type = ValueType::Type::NONSTD;

3
test/testsymboldatabase.cpp
View File

@ -4238,6 +4238,9 @@ private:
ASSERT_EQUALS(true, vt.fromLibraryType("s32", &settingsUnix32));
ASSERT_EQUALS(ValueType::Type::INT, vt.type);
}
// auto variables
ASSERT_EQUALS("signed int", typeOf("; auto x = 3;", "auto"));
}
void variadic1() { // #7453