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Set ValueType for free function returning iterator (#4837)

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chrchr-github 2023-03-02 21:01:20 +01:00 committed by GitHub
parent 514e605598
commit 072e822020
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2 changed files with 54 additions and 10 deletions
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22
lib/symboldatabase.cpp
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@ -7045,7 +7045,8 @@ void SymbolDatabase::setValueTypeInTokenList(bool reportDebugWarnings, Token *to
}
}
if (typestr.empty() || typestr == "iterator") {
const bool isReturnIter = typestr == "iterator";
if (typestr.empty() || isReturnIter) {
if (Token::simpleMatch(tok->astOperand1(), ".") &&
tok->astOperand1()->astOperand1() &&
tok->astOperand1()->astOperand2() &&
@ -7063,6 +7064,25 @@ void SymbolDatabase::setValueTypeInTokenList(bool reportDebugWarnings, Token *to
vt.containerTypeToken =
tok->astOperand1()->astOperand1()->valueType()->containerTypeToken;
setValueType(tok, vt);
continue;
}
}
}
if (isReturnIter) {
const std::vector<const Token*> args = getArguments(tok);
if (!args.empty()) {
const Library::ArgumentChecks::IteratorInfo* info = mSettings->library.getArgIteratorInfo(tok->previous(), 1);
if (info && info->it) {
const Token* contTok = args[0];
if (Token::simpleMatch(args[0]->astOperand1(), ".") && args[0]->astOperand1()->astOperand1())
contTok = args[0]->astOperand1()->astOperand1();
if (contTok && contTok->variable() && contTok->variable()->valueType() && contTok->variable()->valueType()->container) {
ValueType vt;
vt.type = ValueType::Type::ITERATOR;
vt.container = contTok->variable()->valueType()->container;
vt.containerTypeToken = contTok->variable()->valueType()->containerTypeToken;
setValueType(tok, vt);
}
}
}
}

24
test/testsymboldatabase.cpp
View File

@ -8111,6 +8111,7 @@ private:
}
void valueType3() {
{
GET_SYMBOL_DB("void f(std::vector<std::unordered_map<int, std::unordered_set<int>>>& v, int i, int j) {\n"
" auto& s = v[i][j];\n"
" s.insert(0);\n"
@ -8122,6 +8123,29 @@ private:
ASSERT(tok && tok->valueType());
ASSERT_EQUALS("container(std :: set|unordered_set <)", tok->valueType()->str());
}
{
GET_SYMBOL_DB("void f(std::vector<int> v) {\n"
" auto it = std::find(v.begin(), v.end(), 0);\n"
"}\n");
ASSERT_EQUALS("", errout.str());
const Token* tok = tokenizer.tokens();
tok = Token::findsimplematch(tok, "auto");
ASSERT(tok && tok->valueType());
ASSERT_EQUALS("iterator(std :: vector <)", tok->valueType()->str());
}
{
GET_SYMBOL_DB("void f(std::vector<int>::iterator beg, std::vector<int>::iterator end) {\n"
" auto it = std::find(beg, end, 0);\n"
"}\n");
ASSERT_EQUALS("", errout.str());
const Token* tok = tokenizer.tokens();
tok = Token::findsimplematch(tok, "auto");
ASSERT(tok && tok->valueType());
ASSERT_EQUALS("iterator(std :: vector <)", tok->valueType()->str());
}
}
void valueTypeThis() {
ASSERT_EQUALS("C *", typeOf("class C { C() { *this = 0; } };", "this"));