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Refactor CheckFunctions::invalidFunctionUsage

This commit is contained in:
Daniel Marjamäki 2017-04-20 19:57:39 +02:00
parent 1422487769
commit 3fbcc0cd3b
3 changed files with 47 additions and 28 deletions
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19
lib/astutils.cpp
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@ -452,3 +452,22 @@ int numberOfArguments(const Token *start)
}
return arguments;
}
static void getArgumentsRecursive(const Token *tok, std::vector<const Token *> *arguments)
{
if (!tok)
return;
if (tok->str() == ",") {
getArgumentsRecursive(tok->astOperand1(), arguments);
getArgumentsRecursive(tok->astOperand2(), arguments);
} else {
arguments->push_back(tok);
}
}
std::vector<const Token *> getArguments(const Token *ftok)
{
std::vector<const Token *> arguments;
getArgumentsRecursive(ftok->next()->astOperand2(), &arguments);
return arguments;
}

6
lib/astutils.h
View File

@ -23,6 +23,7 @@
//---------------------------------------------------------------------------
#include <string>
#include <vector>
class Settings;
class Library;
@ -91,4 +92,9 @@ bool isVariableChanged(const Token *start, const Token *end, const unsigned int
*/
int numberOfArguments(const Token *start);
/**
* Get arguments (AST)
*/
std::vector<const Token *> getArguments(const Token *ftok);
#endif // astutilsH

42
lib/checkfunctions.cpp
View File

@ -21,6 +21,7 @@
//---------------------------------------------------------------------------
#include "checkfunctions.h"
#include "astutils.h"
#include "symboldatabase.h"
#include <cmath>
@ -87,38 +88,31 @@ void CheckFunctions::invalidFunctionUsage()
for (std::size_t i = 0; i < functions; ++i) {
const Scope * scope = symbolDatabase->functionScopes[i];
for (const Token* tok = scope->classStart->next(); tok != scope->classEnd; tok = tok->next()) {
if (!tok->isName() || !Token::Match(tok, "%name% ( !!)"))
if (!Token::Match(tok, "%name% ( !!)"))
continue;
const Token * const functionToken = tok;
int argnr = 1;
const Token *argtok = tok->tokAt(2);
do {
if (Token::Match(argtok, "%num% [,)]")) {
if (MathLib::isInt(argtok->str()) &&
!_settings->library.isargvalid(functionToken, argnr, MathLib::toLongNumber(argtok->str())))
invalidFunctionArgError(argtok, functionToken->str(), argnr, _settings->library.validarg(functionToken, argnr));
} else {
const Token *top = argtok;
while (top->astParent() && top->astParent()->str() != "," && top->astParent() != tok->next())
top = top->astParent();
const Token *var = top;
while (Token::Match(var, ".|::"))
var = var->astOperand2();
if (Token::Match(top, "%comp%|%oror%|&&|!|true|false") ||
(var && var->variable() && Token::Match(var->variable()->typeStartToken(), "bool|_Bool"))) {
if (_settings->library.isboolargbad(functionToken, argnr))
invalidFunctionArgBoolError(top, functionToken->str(), argnr);
const std::vector<const Token *> arguments = getArguments(tok);
for (unsigned int argnr = 1; argnr <= arguments.size(); ++argnr) {
const Token * const argtok = arguments[argnr-1];
// check <valid>...</valid>
if (argtok->hasKnownIntValue() &&
!_settings->library.isargvalid(functionToken,argnr,argtok->values().front().intvalue)) {
// TODO: Warn about possible values
invalidFunctionArgError(argtok, functionToken->str(), argnr, _settings->library.validarg(functionToken, argnr));
}
if (astIsBool(argtok)) {
// check <not-bool>
if (_settings->library.isboolargbad(functionToken, argnr))
invalidFunctionArgBoolError(argtok, functionToken->str(), argnr);
// Are the values 0 and 1 valid?
else if (!_settings->library.isargvalid(functionToken, argnr, 0))
invalidFunctionArgError(top, functionToken->str(), argnr, _settings->library.validarg(functionToken, argnr));
invalidFunctionArgError(argtok, functionToken->str(), argnr, _settings->library.validarg(functionToken, argnr));
else if (!_settings->library.isargvalid(functionToken, argnr, 1))
invalidFunctionArgError(top, functionToken->str(), argnr, _settings->library.validarg(functionToken, argnr));
invalidFunctionArgError(argtok, functionToken->str(), argnr, _settings->library.validarg(functionToken, argnr));
}
}
argnr++;
argtok = argtok->nextArgument();
} while (argtok && argtok->str() != ")");
}
}
}