Merge pull request #892 from IOBYTE/master
Add support for auto variable initialized from function return type.
This commit is contained in:
commit
eec8c77774
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@ -1303,8 +1303,13 @@ void SymbolDatabase::createSymbolDatabaseSetVariablePointers()
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if (!membervar) {
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if (type->classScope) {
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membervar = type->classScope->getVariable(membertok->str());
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if (membervar)
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if (membervar) {
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membertok->variable(membervar);
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if (membertok->varId() == 0 || _variableList[membertok->varId()] == nullptr) {
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if (tok->function()->retDef)
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fixVarId(varIds, tok->function()->retDef, const_cast<Token *>(membertok), membervar);
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}
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}
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}
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}
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}
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@ -4612,12 +4617,13 @@ void SymbolDatabase::setValueType(Token *tok, const ValueType &valuetype)
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if (parent->isAssignmentOp()) {
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if (vt1)
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setValueType(parent, *vt1);
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else if (cpp && Token::Match(parent->tokAt(-3), "%var% ; %var% =") && parent->strAt(-3) == parent->strAt(-1)) {
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Token *var1Tok = parent->tokAt(-3);
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else if (cpp && ((Token::Match(parent->tokAt(-3), "%var% ; %var% =") && parent->strAt(-3) == parent->strAt(-1)) ||
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Token::Match(parent->tokAt(-1), "%var% ="))) {
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Token *var1Tok = parent->strAt(-2) == ";" ? parent->tokAt(-3) : parent->tokAt(-1);
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Token *autoTok = nullptr;
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if (Token::Match(var1Tok->tokAt(-2), "[;{}] auto"))
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if (Token::Match(var1Tok->tokAt(-2), ";|{|}|const auto"))
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autoTok = var1Tok->previous();
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else if (Token::Match(var1Tok->tokAt(-3), "[;{}] auto *"))
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else if (Token::Match(var1Tok->tokAt(-3), ";|{|}|const auto *"))
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autoTok = var1Tok->tokAt(-2);
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if (autoTok) {
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ValueType vt(*vt2);
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@ -327,6 +327,7 @@ private:
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TEST_CASE(auto4);
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TEST_CASE(auto5);
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TEST_CASE(auto6); // #7963 (segmentation fault)
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TEST_CASE(auto7);
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}
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void array() {
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@ -4886,6 +4887,230 @@ private:
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ASSERT_EQUALS(true, db != nullptr); // not null
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}
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void auto7() {
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GET_SYMBOL_DB("struct Foo { int a; int b[10]; };\n"
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"class Bar {\n"
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" Foo foo1;\n"
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" Foo foo2[10];\n"
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"public:\n"
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" const Foo & getFoo1() { return foo1; }\n"
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" const Foo * getFoo2() { return foo2; }\n"
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"};\n"
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"int main() {\n"
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" Bar bar;\n"
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" auto v1 = bar.getFoo1().a;\n"
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" auto v2 = bar.getFoo1().b[0];\n"
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" auto v3 = bar.getFoo1().b;\n"
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" const auto v4 = bar.getFoo1().b;\n"
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" const auto * v5 = bar.getFoo1().b;\n"
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" auto v6 = bar.getFoo2()[0].a;\n"
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" auto v7 = bar.getFoo2()[0].b[0];\n"
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" auto v8 = bar.getFoo2()[0].b;\n"
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" const auto v9 = bar.getFoo2()[0].b;\n"
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" const auto * v10 = bar.getFoo2()[0].b;\n"
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" auto v11 = v1 + v2 + v3[0] + v4[0] + v5[0] + v6 + v7 + v8[0] + v9[0] + v10[0];\n"
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" return v11;\n"
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"}");
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const Token *autotok = Token::findsimplematch(tokenizer.tokens(), "auto v1");
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// auto = int, v1 = int
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ASSERT(db && autotok && autotok->valueType());
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if (db && autotok && autotok->valueType()) {
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ASSERT_EQUALS(0, autotok->valueType()->constness);
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ASSERT_EQUALS(0, autotok->valueType()->pointer);
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ASSERT_EQUALS(ValueType::SIGNED, autotok->valueType()->sign);
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ASSERT_EQUALS(ValueType::INT, autotok->valueType()->type);
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}
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vartok = Token::findsimplematch(autotok, "v1 =");
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ASSERT(db && vartok && vartok->valueType());
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if (db && vartok && vartok->valueType()) {
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ASSERT_EQUALS(0, vartok->valueType()->constness);
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ASSERT_EQUALS(0, vartok->valueType()->pointer);
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ASSERT_EQUALS(ValueType::SIGNED, vartok->valueType()->sign);
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ASSERT_EQUALS(ValueType::INT, vartok->valueType()->type);
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}
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// auto = int, v2 = int
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autotok = Token::findsimplematch(autotok, "auto v2");
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ASSERT(db && autotok && autotok->valueType());
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if (db && autotok && autotok->valueType()) {
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ASSERT_EQUALS(0, autotok->valueType()->constness);
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ASSERT_EQUALS(0, autotok->valueType()->pointer);
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ASSERT_EQUALS(ValueType::SIGNED, autotok->valueType()->sign);
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ASSERT_EQUALS(ValueType::INT, autotok->valueType()->type);
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}
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vartok = Token::findsimplematch(autotok, "v2 =");
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ASSERT(db && vartok && vartok->valueType());
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if (db && vartok && vartok->valueType()) {
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ASSERT_EQUALS(0, vartok->valueType()->constness);
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ASSERT_EQUALS(0, vartok->valueType()->pointer);
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ASSERT_EQUALS(ValueType::SIGNED, vartok->valueType()->sign);
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ASSERT_EQUALS(ValueType::INT, vartok->valueType()->type);
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}
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// auto = const int *, v3 = const int * (const int[10])
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autotok = Token::findsimplematch(autotok, "auto v3");
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ASSERT(db && autotok && autotok->valueType());
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if (db && autotok && autotok->valueType()) {
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TODO_ASSERT_EQUALS(1, 0, autotok->valueType()->constness);
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ASSERT_EQUALS(1, autotok->valueType()->pointer);
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ASSERT_EQUALS(ValueType::SIGNED, autotok->valueType()->sign);
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ASSERT_EQUALS(ValueType::INT, autotok->valueType()->type);
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}
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vartok = Token::findsimplematch(autotok, "v3 =");
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ASSERT(db && vartok && vartok->valueType());
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if (db && vartok && vartok->valueType()) {
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TODO_ASSERT_EQUALS(1, 0, vartok->valueType()->constness);
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ASSERT_EQUALS(1, vartok->valueType()->pointer);
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ASSERT_EQUALS(ValueType::SIGNED, vartok->valueType()->sign);
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ASSERT_EQUALS(ValueType::INT, vartok->valueType()->type);
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}
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// auto = int *, v4 = const int * (const int[10])
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autotok = Token::findsimplematch(autotok, "auto v4");
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ASSERT(db && autotok && autotok->valueType());
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if (db && autotok && autotok->valueType()) {
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TODO_ASSERT_EQUALS(0, 1, autotok->valueType()->constness);
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ASSERT_EQUALS(1, autotok->valueType()->pointer);
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ASSERT_EQUALS(ValueType::SIGNED, autotok->valueType()->sign);
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ASSERT_EQUALS(ValueType::INT, autotok->valueType()->type);
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}
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vartok = Token::findsimplematch(autotok, "v4 =");
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ASSERT(db && vartok && vartok->valueType());
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if (db && vartok && vartok->valueType()) {
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TODO_ASSERT_EQUALS(1, 0, vartok->valueType()->constness);
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ASSERT_EQUALS(1, vartok->valueType()->pointer);
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ASSERT_EQUALS(ValueType::SIGNED, vartok->valueType()->sign);
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ASSERT_EQUALS(ValueType::INT, vartok->valueType()->type);
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}
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// auto = int, v5 = const int * (const int[10])
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autotok = Token::findsimplematch(autotok, "auto * v5");
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ASSERT(db && autotok && autotok->valueType());
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if (db && autotok && autotok->valueType()) {
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TODO_ASSERT_EQUALS(0, 1, autotok->valueType()->constness);
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ASSERT_EQUALS(0, autotok->valueType()->pointer);
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ASSERT_EQUALS(ValueType::SIGNED, autotok->valueType()->sign);
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ASSERT_EQUALS(ValueType::INT, autotok->valueType()->type);
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}
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vartok = Token::findsimplematch(autotok, "v5 =");
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ASSERT(db && vartok && vartok->valueType());
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if (db && vartok && vartok->valueType()) {
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TODO_ASSERT_EQUALS(1, 0, vartok->valueType()->constness);
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ASSERT_EQUALS(1, vartok->valueType()->pointer);
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ASSERT_EQUALS(ValueType::SIGNED, vartok->valueType()->sign);
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ASSERT_EQUALS(ValueType::INT, vartok->valueType()->type);
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}
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// auto = int, v6 = int
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autotok = Token::findsimplematch(autotok, "auto v6");
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ASSERT(db && autotok && autotok->valueType());
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if (db && autotok && autotok->valueType()) {
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ASSERT_EQUALS(0, autotok->valueType()->constness);
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ASSERT_EQUALS(0, autotok->valueType()->pointer);
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ASSERT_EQUALS(ValueType::SIGNED, autotok->valueType()->sign);
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ASSERT_EQUALS(ValueType::INT, autotok->valueType()->type);
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}
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vartok = Token::findsimplematch(autotok, "v6 =");
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ASSERT(db && vartok && vartok->valueType());
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if (db && vartok && vartok->valueType()) {
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ASSERT_EQUALS(0, vartok->valueType()->constness);
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ASSERT_EQUALS(0, vartok->valueType()->pointer);
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ASSERT_EQUALS(ValueType::SIGNED, vartok->valueType()->sign);
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ASSERT_EQUALS(ValueType::INT, vartok->valueType()->type);
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}
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// auto = int, v7 = int
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autotok = Token::findsimplematch(autotok, "auto v7");
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ASSERT(db && autotok && autotok->valueType());
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if (db && autotok && autotok->valueType()) {
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ASSERT_EQUALS(0, autotok->valueType()->constness);
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ASSERT_EQUALS(0, autotok->valueType()->pointer);
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ASSERT_EQUALS(ValueType::SIGNED, autotok->valueType()->sign);
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ASSERT_EQUALS(ValueType::INT, autotok->valueType()->type);
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}
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vartok = Token::findsimplematch(autotok, "v7 =");
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ASSERT(db && vartok && vartok->valueType());
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if (db && vartok && vartok->valueType()) {
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ASSERT_EQUALS(0, vartok->valueType()->constness);
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ASSERT_EQUALS(0, vartok->valueType()->pointer);
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ASSERT_EQUALS(ValueType::SIGNED, vartok->valueType()->sign);
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ASSERT_EQUALS(ValueType::INT, vartok->valueType()->type);
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}
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// auto = const int *, v8 = const int * (const int[10])
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autotok = Token::findsimplematch(autotok, "auto v8");
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ASSERT(db && autotok && autotok->valueType());
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if (db && autotok && autotok->valueType()) {
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TODO_ASSERT_EQUALS(1, 0, autotok->valueType()->constness);
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ASSERT_EQUALS(1, autotok->valueType()->pointer);
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ASSERT_EQUALS(ValueType::SIGNED, autotok->valueType()->sign);
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ASSERT_EQUALS(ValueType::INT, autotok->valueType()->type);
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}
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vartok = Token::findsimplematch(autotok, "v8 =");
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ASSERT(db && vartok && vartok->valueType());
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if (db && vartok && vartok->valueType()) {
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TODO_ASSERT_EQUALS(1, 0, vartok->valueType()->constness);
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ASSERT_EQUALS(1, vartok->valueType()->pointer);
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ASSERT_EQUALS(ValueType::SIGNED, vartok->valueType()->sign);
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ASSERT_EQUALS(ValueType::INT, vartok->valueType()->type);
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}
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// auto = int *, v9 = const int * (const int[10])
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autotok = Token::findsimplematch(autotok, "auto v9");
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ASSERT(db && autotok && autotok->valueType());
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if (db && autotok && autotok->valueType()) {
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TODO_ASSERT_EQUALS(0, 1, autotok->valueType()->constness);
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ASSERT_EQUALS(1, autotok->valueType()->pointer);
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ASSERT_EQUALS(ValueType::SIGNED, autotok->valueType()->sign);
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ASSERT_EQUALS(ValueType::INT, autotok->valueType()->type);
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}
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vartok = Token::findsimplematch(autotok, "v9 =");
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ASSERT(db && vartok && vartok->valueType());
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if (db && vartok && vartok->valueType()) {
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TODO_ASSERT_EQUALS(1, 0, vartok->valueType()->constness);
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ASSERT_EQUALS(1, vartok->valueType()->pointer);
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ASSERT_EQUALS(ValueType::SIGNED, vartok->valueType()->sign);
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ASSERT_EQUALS(ValueType::INT, vartok->valueType()->type);
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}
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// auto = int, v10 = const int * (const int[10])
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autotok = Token::findsimplematch(autotok, "auto * v10");
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ASSERT(db && autotok && autotok->valueType());
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if (db && autotok && autotok->valueType()) {
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TODO_ASSERT_EQUALS(0, 1, autotok->valueType()->constness);
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ASSERT_EQUALS(0, autotok->valueType()->pointer);
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ASSERT_EQUALS(ValueType::SIGNED, autotok->valueType()->sign);
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ASSERT_EQUALS(ValueType::INT, autotok->valueType()->type);
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}
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vartok = Token::findsimplematch(autotok, "v10 =");
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ASSERT(db && vartok && vartok->valueType());
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if (db && vartok && vartok->valueType()) {
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TODO_ASSERT_EQUALS(1, 0, vartok->valueType()->constness);
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ASSERT_EQUALS(1, vartok->valueType()->pointer);
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ASSERT_EQUALS(ValueType::SIGNED, vartok->valueType()->sign);
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ASSERT_EQUALS(ValueType::INT, vartok->valueType()->type);
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}
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// auto = int, v11 = int
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autotok = Token::findsimplematch(autotok, "auto v11");
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TODO_ASSERT(db && autotok && autotok->valueType());
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if (db && autotok && autotok->valueType()) {
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ASSERT_EQUALS(0, autotok->valueType()->constness);
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ASSERT_EQUALS(0, autotok->valueType()->pointer);
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ASSERT_EQUALS(ValueType::SIGNED, autotok->valueType()->sign);
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ASSERT_EQUALS(ValueType::INT, autotok->valueType()->type);
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}
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vartok = autotok->next();
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TODO_ASSERT(db && vartok && vartok->valueType());
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if (db && vartok && vartok->valueType()) {
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ASSERT_EQUALS(0, vartok->valueType()->constness);
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ASSERT_EQUALS(0, vartok->valueType()->pointer);
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ASSERT_EQUALS(ValueType::SIGNED, vartok->valueType()->sign);
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ASSERT_EQUALS(ValueType::INT, vartok->valueType()->type);
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}
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}
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};
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REGISTER_TEST(TestSymbolDatabase)
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