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Refactoring: broke out copy/pasted code

This commit is contained in:
Daniel Marjamäki 2010-04-03 09:17:16 +02:00
parent 5f9e14e242
commit f8367da1fd
2 changed files with 44 additions and 58 deletions
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95
lib/checkclass.cpp
View File

@ -919,6 +919,37 @@ static void nameStr(const Token * name, int length, std::string & str)
}
}
void CheckClass::operatorEqRetRefThis_finderr(const Token *tok, const std::string &classname)
{
// find the ')'
const Token *tok1 = tok->tokAt(2)->link();
// is there an implementation?
if (Token::simpleMatch(tok1, ") {"))
{
bool foundReturn = false;
const Token *last = tok1->next()->link();
for (tok1 = tok1->tokAt(2); tok1 && tok1 != last; tok1 = tok1->next())
{
// check for return of reference to this
if (tok1->str() == "return")
{
foundReturn = true;
std::string cast("( " + classname + " & )");
if (Token::Match(tok1->next(), cast.c_str()))
tok1 = tok1->tokAt(4);
if (!(Token::Match(tok1->tokAt(1), "(| * this ;|=") ||
Token::Match(tok1->tokAt(1), "(| * this +=") ||
Token::Match(tok1->tokAt(1), "operator = (")))
operatorEqRetRefThisError(tok);
}
}
if (!foundReturn)
operatorEqRetRefThisError(tok);
}
}
void CheckClass::operatorEqRetRefThis()
{
const Token *tok2 = _tokenizer->tokens();
@ -952,32 +983,7 @@ void CheckClass::operatorEqRetRefThis()
// check class name
if (tok1->tokAt(-(1 + nameLength)) && nameMatch(name, tok1->tokAt(-(1 + nameLength)), nameLength))
{
// may take overloaded argument types so no need to check them
tok1 = tok->tokAt(2)->link();
if (tok1 && tok1->next() && tok1->next()->str() == "{")
{
bool foundReturn = false;
const Token *last = tok1->next()->link();
for (tok1 = tok1->tokAt(2); tok1 && tok1 != last; tok1 = tok1->next())
{
// check for return of reference to this
if (tok1->str() == "return")
{
foundReturn = true;
std::string cast("( " + name->str() + " & )");
if (Token::Match(tok1->next(), cast.c_str()))
tok1 = tok1->tokAt(4);
if (!(Token::Match(tok1->tokAt(1), "(| * this ;|=") ||
Token::Match(tok1->tokAt(1), "(| * this +=") ||
Token::Match(tok1->tokAt(1), "operator = (")))
operatorEqRetRefThisError(tok);
}
}
if (!foundReturn)
operatorEqRetRefThisError(tok);
}
operatorEqRetRefThis_finderr(tok, name->str());
}
}
}
@ -1001,44 +1007,17 @@ void CheckClass::operatorEqRetRefThis()
tok1 = tok1->previous();
}
if (tok1 && Token::Match(tok1, "struct %var%"))
{
isPublic = true;
name = tok1->tokAt(1);
}
else if (tok1 && Token::Match(tok1, "class %var%"))
if (Token::Match(tok1, "struct|class %var%"))
{
// data members in structs are public by default
isPublic = bool(tok1->str() == "struct");
name = tok1->tokAt(1);
}
if (tok->tokAt(-2) && tok->tokAt(-2)->str() == name->str())
{
// may take overloaded argument types so no need to check them
tok1 = tok->tokAt(2)->link();
if (tok1 && tok1->next() && tok1->next()->str() == "{")
{
bool foundReturn = false;
const Token *last = tok1->next()->link();
for (tok1 = tok1->tokAt(2); tok1 && tok1 != last; tok1 = tok1->next())
{
// check for return of reference to this
if (tok1->str() == "return")
{
foundReturn = true;
std::string cast("( " + name->str() + " & )");
if (Token::Match(tok1->next(), cast.c_str()))
tok1 = tok1->tokAt(4);
if (!(Token::Match(tok1->tokAt(1), "(| * this ;|=") ||
Token::Match(tok1->tokAt(1), "(| * this +=") ||
Token::Match(tok1->tokAt(1), "operator = (")))
operatorEqRetRefThisError(tok);
}
}
if (!foundReturn)
operatorEqRetRefThisError(tok);
}
operatorEqRetRefThis_finderr(tok, name->str());
}
}
}

7
lib/checkclass.h
View File

@ -172,6 +172,13 @@ private:
bool isMemberVar(const std::string &classname, const Var *varlist, const Token *tok);
bool checkConstFunc(const std::string &classname, const Var *varlist, const Token *tok);
/**
* @brief Helper function for operatorEqRetRefThis that checks if there are errors
* @param tok The "operator" token in a operator=(.. function
* @param classname Name of class
*/
void operatorEqRetRefThis_finderr(const Token *tok, const std::string &classname);
// Reporting errors..
void noConstructorError(const Token *tok, const std::string &classname, bool isStruct);
void uninitVarError(const Token *tok, const std::string &classname, const std::string &varname, bool hasPrivateConstructor);