3331 lines
127 KiB
C++
3331 lines
127 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2014 Daniel Marjamäki and Cppcheck team.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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//---------------------------------------------------------------------------
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#include "symboldatabase.h"
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#include "tokenize.h"
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#include "token.h"
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#include "settings.h"
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#include "errorlogger.h"
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#include <string>
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#include <ostream>
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#include <climits>
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#include <iostream>
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//---------------------------------------------------------------------------
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SymbolDatabase::SymbolDatabase(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger)
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: _tokenizer(tokenizer), _settings(settings), _errorLogger(errorLogger)
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{
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// create global scope
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scopeList.push_back(Scope(this, nullptr, nullptr));
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// pointer to current scope
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Scope *scope = &scopeList.back();
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// Store current access in each scope (depends on evaluation progress)
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std::map<const Scope*, AccessControl> access;
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// find all scopes
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for (const Token *tok = _tokenizer->tokens(); tok; tok = tok ? tok->next() : nullptr) {
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// #5593 suggested to add here:
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if (_errorLogger)
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_errorLogger->reportProgress(_tokenizer->list.getSourceFilePath(),
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"SymbolDatabase",
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tok->progressValue());
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// Locate next class
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if (Token::Match(tok, "class|struct|union|namespace ::| %var% {|:|::") &&
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tok->strAt(-1) != "friend") {
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const Token *tok2 = tok->tokAt(2);
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if (tok->strAt(1) == "::")
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tok2 = tok2->next();
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while (tok2 && tok2->str() == "::")
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tok2 = tok2->tokAt(2);
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// make sure we have valid code
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if (!tok2 || !Token::Match(tok2, "{|:")) {
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// check for qualified variable
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if (tok2 && tok2->next()) {
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if (tok2->next()->str() == ";")
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tok = tok2->next();
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else if (Token::simpleMatch(tok2->next(), "= {") &&
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tok2->linkAt(2)->next()->str() == ";")
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tok = tok2->linkAt(2)->next();
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else if (Token::Match(tok2->next(), "(|{") &&
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tok2->next()->link()->strAt(1) == ";")
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tok = tok2->next()->link()->next();
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else
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break; // bail
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continue;
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}
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break; // bail
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}
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Scope *new_scope = findScope(tok->next(), scope);
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if (new_scope) {
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// only create base list for classes and structures
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if (new_scope->isClassOrStruct()) {
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// goto initial '{'
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tok2 = new_scope->definedType->initBaseInfo(tok, tok2);
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// make sure we have valid code
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if (!tok2) {
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break;
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}
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}
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// definition may be different than declaration
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if (tok->str() == "class") {
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access[new_scope] = Private;
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new_scope->type = Scope::eClass;
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} else if (tok->str() == "struct") {
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access[new_scope] = Public;
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new_scope->type = Scope::eStruct;
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}
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new_scope->classDef = tok;
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new_scope->classStart = tok2;
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new_scope->classEnd = tok2->link();
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scope = new_scope;
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tok = tok2;
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} else {
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scopeList.push_back(Scope(this, tok, scope));
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new_scope = &scopeList.back();
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if (tok->str() == "class")
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access[new_scope] = Private;
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else if (tok->str() == "struct")
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access[new_scope] = Public;
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// fill typeList...
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if (new_scope->isClassOrStruct() || new_scope->type == Scope::eUnion) {
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Type* new_type = findType(tok->next(), scope);
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if (!new_type) {
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typeList.push_back(Type(new_scope->classDef, new_scope, scope));
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new_type = &typeList.back();
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scope->definedTypes.push_back(new_type);
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} else
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new_type->classScope = new_scope;
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new_scope->definedType = new_type;
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}
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// only create base list for classes and structures
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if (new_scope->isClassOrStruct()) {
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// goto initial '{'
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tok2 = new_scope->definedType->initBaseInfo(tok, tok2);
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// make sure we have valid code
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if (!tok2) {
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_tokenizer->syntaxError(tok);
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}
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}
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new_scope->classStart = tok2;
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new_scope->classEnd = tok2->link();
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// make sure we have valid code
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if (!new_scope->classEnd) {
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_tokenizer->syntaxError(tok);
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}
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// make the new scope the current scope
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scope->nestedList.push_back(new_scope);
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scope = new_scope;
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tok = tok2;
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}
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}
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// Namespace and unknown macro (#3854)
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else if (_tokenizer->isCPP() &&
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Token::Match(tok, "namespace %var% %type% (") &&
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tok->tokAt(2)->isUpperCaseName() &&
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Token::simpleMatch(tok->linkAt(3), ") {")) {
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scopeList.push_back(Scope(this, tok, scope));
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Scope *new_scope = &scopeList.back();
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access[new_scope] = Public;
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const Token *tok2 = tok->linkAt(3)->next();
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new_scope->classStart = tok2;
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new_scope->classEnd = tok2->link();
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// make sure we have valid code
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if (!new_scope->classEnd) {
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scopeList.pop_back();
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break;
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}
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// make the new scope the current scope
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scope->nestedList.push_back(new_scope);
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scope = &scopeList.back();
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tok = tok2;
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}
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// forward declaration
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else if (Token::Match(tok, "class|struct|union %var% ;") &&
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tok->strAt(-1) != "friend") {
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if (!findType(tok->next(), scope)) {
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// fill typeList..
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typeList.push_back(Type(tok, 0, scope));
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scope->definedTypes.push_back(&typeList.back());
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}
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tok = tok->tokAt(2);
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}
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// using namespace
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else if (Token::Match(tok, "using namespace ::| %type% ;|::")) {
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Scope::UsingInfo using_info;
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using_info.start = tok; // save location
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using_info.scope = findNamespace(tok->tokAt(2), scope);
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scope->usingList.push_back(using_info);
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// check for global namespace
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if (tok->strAt(2) == "::")
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tok = tok->tokAt(4);
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else
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tok = tok->tokAt(3);
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// skip over qualification
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while (tok && Token::Match(tok, "%type% ::"))
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tok = tok->tokAt(2);
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}
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// unnamed struct and union
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else if (Token::Match(tok, "struct|union {") &&
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Token::Match(tok->next()->link(), "} *|&| %var% ;|[")) {
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scopeList.push_back(Scope(this, tok, scope));
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Scope *new_scope = &scopeList.back();
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access[new_scope] = Public;
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const Token* varNameTok = tok->next()->link()->next();
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if (varNameTok->str() == "*") {
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varNameTok = varNameTok->next();
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} else if (varNameTok->str() == "&") {
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varNameTok = varNameTok->next();
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}
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typeList.push_back(Type(tok, new_scope, scope));
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new_scope->definedType = &typeList.back();
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scope->definedTypes.push_back(&typeList.back());
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scope->addVariable(varNameTok, tok, tok, access[scope], new_scope->definedType, scope);
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const Token *tok2 = tok->next();
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new_scope->classStart = tok2;
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new_scope->classEnd = tok2->link();
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// make sure we have valid code
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if (!new_scope->classEnd) {
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scopeList.pop_back();
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break;
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}
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// make the new scope the current scope
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scope->nestedList.push_back(new_scope);
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scope = new_scope;
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tok = tok2;
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}
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// anonymous struct, union and namespace
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else if ((Token::Match(tok, "struct|union {") &&
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Token::simpleMatch(tok->next()->link(), "} ;")) ||
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Token::simpleMatch(tok, "namespace {")) {
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scopeList.push_back(Scope(this, tok, scope));
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Scope *new_scope = &scopeList.back();
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access[new_scope] = Public;
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const Token *tok2 = tok->next();
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new_scope->classStart = tok2;
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new_scope->classEnd = tok2->link();
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typeList.push_back(Type(tok, new_scope, scope));
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new_scope->definedType = &typeList.back();
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scope->definedTypes.push_back(&typeList.back());
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// make sure we have valid code
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if (!new_scope->classEnd) {
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scopeList.pop_back();
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break;
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}
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// make the new scope the current scope
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scope->nestedList.push_back(new_scope);
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scope = new_scope;
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tok = tok2;
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}
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else {
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// check for end of scope
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if (tok == scope->classEnd) {
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access.erase(scope);
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scope = const_cast<Scope*>(scope->nestedIn);
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continue;
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}
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// check if in class or structure
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else if (scope->type == Scope::eClass || scope->type == Scope::eStruct) {
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const Token *funcStart = nullptr;
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const Token *argStart = nullptr;
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// What section are we in..
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if (tok->str() == "private:")
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access[scope] = Private;
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else if (tok->str() == "protected:")
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access[scope] = Protected;
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else if (tok->str() == "public:" || tok->str() == "__published:")
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access[scope] = Public;
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else if (Token::Match(tok, "public|protected|private %var% :")) {
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if (tok->str() == "private")
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access[scope] = Private;
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else if (tok->str() == "protected")
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access[scope] = Protected;
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else
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access[scope] = Public;
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tok = tok->tokAt(2);
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}
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// class function?
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else if (isFunction(tok, scope, &funcStart, &argStart)) {
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if (tok->previous()->str() != "::") {
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Function function;
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// save the function definition argument start '('
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function.argDef = argStart;
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// save the access type
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function.access = access[scope];
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// save the function name location
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function.tokenDef = funcStart;
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// save the function parent scope
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function.nestedIn = scope;
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// operator function
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if (function.tokenDef->str().find("operator") == 0) {
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function.isOperator = true;
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// 'operator =' is special
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if (function.tokenDef->str() == "operator=")
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function.type = Function::eOperatorEqual;
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}
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// class constructor/destructor
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else if (function.tokenDef->str() == scope->className) {
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// destructor
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if (function.tokenDef->previous()->str() == "~")
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function.type = Function::eDestructor;
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// copy/move constructor?
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else if (Token::Match(function.tokenDef, "%var% ( const| %var% &|&& &| %var%| )") ||
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Token::Match(function.tokenDef, "%var% ( const| %var% <")) {
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const Token* typTok = function.tokenDef->tokAt(2);
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if (typTok->str() == "const")
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typTok = typTok->next();
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if (typTok->strAt(1) == "<") { // TODO: Remove this branch (#4710)
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if (Token::Match(typTok->linkAt(1), "> & %var%| )"))
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function.type = Function::eCopyConstructor;
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else if (Token::Match(typTok->linkAt(1), "> &&|& & %var%| )"))
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function.type = Function::eMoveConstructor;
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else
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function.type = Function::eConstructor;
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} else if (typTok->strAt(1) == "&&" || typTok->strAt(2) == "&")
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function.type = Function::eMoveConstructor;
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else
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function.type = Function::eCopyConstructor;
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if (typTok->str() != function.tokenDef->str())
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function.type = Function::eConstructor; // Overwrite, if types are not identical
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}
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// regular constructor
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else
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function.type = Function::eConstructor;
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if (function.tokenDef->previous()->str() == "explicit")
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function.isExplicit = true;
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}
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const Token *tok1 = tok;
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// look for end of previous statement
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while (tok1->previous() && !Token::Match(tok1->previous(), ";|}|{|public:|protected:|private:")) {
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// virtual function
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if (tok1->previous()->str() == "virtual") {
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function.isVirtual = true;
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break;
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}
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// static function
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else if (tok1->previous()->str() == "static") {
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function.isStatic = true;
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break;
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}
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// friend function
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else if (tok1->previous()->str() == "friend") {
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function.isFriend = true;
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break;
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}
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tok1 = tok1->previous();
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}
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// find the return type
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if (!function.isConstructor() && !function.isDestructor()) {
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while (tok1 && Token::Match(tok1->next(), "virtual|static|friend|const|struct|union"))
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tok1 = tok1->next();
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if (tok1)
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function.retDef = tok1;
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}
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const Token *end = function.argDef->link();
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// const function
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if (end->next()->str() == "const")
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function.isConst = true;
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// count the number of constructors
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if (function.isConstructor())
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scope->numConstructors++;
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if (function.type == Function::eCopyConstructor ||
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function.type == Function::eMoveConstructor)
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scope->numCopyOrMoveConstructors++;
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// assume implementation is inline (definition and implementation same)
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function.token = function.tokenDef;
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function.arg = function.argDef;
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// out of line function
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if (Token::simpleMatch(end, ") ;")) {
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// find the function implementation later
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tok = end->next();
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scope->functionList.push_back(function);
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}
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// default or delete
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else if (Token::Match(end, ") = default|delete ;")) {
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if (end->strAt(2) == "default")
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function.isDefault = true;
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else
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function.isDelete = true;
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tok = end->tokAt(3);
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scope->functionList.push_back(function);
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}
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// noexcept;
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// noexcept = 0;
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// const noexcept;
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// const noexcept = 0;
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else if (Token::Match(end, ") const| noexcept ;|=")) {
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function.isNoExcept = true;
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if (end->next()->str() == "const")
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tok = end->tokAt(3);
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else
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tok = end->tokAt(2);
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if (Token::Match(tok, "= %any% ;")) {
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function.isPure = true;
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tok = tok->tokAt(2);
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}
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scope->functionList.push_back(function);
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}
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// noexcept(...);
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// noexcept(...) = 0;
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// const noexcept(...);
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// const noexcept(...) = 0;
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else if (Token::Match(end, ") const| noexcept (") &&
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(end->next()->str() == "const" ? Token::Match(end->linkAt(3), ") ;|=") :
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Token::Match(end->linkAt(2), ") ;|="))) {
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function.isNoExcept = true;
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if (end->next()->str() == "const")
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tok = end->tokAt(3);
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else
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tok = end->tokAt(2);
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if (Token::Match(tok, "= %any% ;")) {
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function.isPure = true;
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tok = tok->tokAt(2);
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}
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scope->functionList.push_back(function);
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}
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// throw();
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// throw() = 0;
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// const throw();
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// const throw() = 0;
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else if (Token::Match(end, ") const| throw (") &&
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(end->next()->str() == "const" ? Token::Match(end->linkAt(3), ") ;|=") :
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Token::Match(end->linkAt(2), ") ;|="))) {
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function.isThrow = true;
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if (end->next()->str() == "const") {
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if (end->strAt(4) != ")")
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function.throwArg = end->tokAt(4);
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tok = end->linkAt(3)->next();
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} else {
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if (end->strAt(3) != ")")
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function.throwArg = end->tokAt(3);
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tok = end->linkAt(2)->next();
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}
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if (Token::Match(tok, "= %any% ;")) {
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function.isPure = true;
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tok = tok->tokAt(2);
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}
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scope->functionList.push_back(function);
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}
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// pure virtual function
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else if (Token::Match(end, ") const| = %any% ;")) {
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function.isPure = true;
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if (end->next()->str() == "const")
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tok = end->tokAt(4);
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else
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tok = end->tokAt(3);
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scope->functionList.push_back(function);
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}
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// 'const' or unknown macro (#5197)
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else if (Token::Match(end, ") %any% ;")) {
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tok = end->tokAt(2);
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scope->functionList.push_back(function);
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}
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|
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// inline function
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else {
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function.isInline = true;
|
|
function.hasBody = true;
|
|
|
|
if (Token::Match(end, ") const| noexcept")) {
|
|
int arg = 2;
|
|
|
|
if (end->strAt(1) == "const")
|
|
arg++;
|
|
|
|
if (end->strAt(arg) == "(")
|
|
function.noexceptArg = end->tokAt(arg + 1);
|
|
|
|
function.isNoExcept = true;
|
|
} else if (Token::Match(end, ") const| throw (")) {
|
|
int arg = 3;
|
|
|
|
if (end->strAt(1) == "const")
|
|
arg++;
|
|
|
|
if (end->strAt(arg) != ")")
|
|
function.throwArg = end->tokAt(arg);
|
|
|
|
function.isThrow = true;
|
|
}
|
|
|
|
// find start of function '{'
|
|
while (end && end->str() != "{" && end->str() != ";")
|
|
end = end->next();
|
|
if (!end || end->str() == ";")
|
|
continue;
|
|
|
|
scope->functionList.push_back(function);
|
|
|
|
Function* funcptr = &scope->functionList.back();
|
|
const Token *tok2 = funcStart;
|
|
|
|
addNewFunction(&scope, &tok2);
|
|
if (scope) {
|
|
scope->functionOf = function.nestedIn;
|
|
scope->function = funcptr;
|
|
scope->function->functionScope = scope;
|
|
}
|
|
|
|
tok = tok2;
|
|
}
|
|
}
|
|
|
|
// nested class or friend function?
|
|
else {
|
|
/** @todo check entire qualification for match */
|
|
Scope * nested = scope->findInNestedListRecursive(tok->strAt(-2));
|
|
|
|
if (nested)
|
|
addClassFunction(&scope, &tok, argStart);
|
|
else {
|
|
/** @todo handle friend functions */
|
|
}
|
|
}
|
|
}
|
|
|
|
// friend class declaration?
|
|
else if (Token::Match(tok, "friend class| ::| %any% ;|::")) {
|
|
Type::FriendInfo friendInfo;
|
|
|
|
// save the name start
|
|
friendInfo.nameStart = tok->strAt(1) == "class" ? tok->tokAt(2) : tok->next();
|
|
friendInfo.nameEnd = friendInfo.nameStart;
|
|
|
|
// skip leading "::"
|
|
if (friendInfo.nameEnd->str() == "::")
|
|
friendInfo.nameEnd = friendInfo.nameEnd->next();
|
|
|
|
// skip qualification "name ::"
|
|
while (friendInfo.nameEnd && friendInfo.nameEnd->strAt(1) == "::")
|
|
friendInfo.nameEnd = friendInfo.nameEnd->tokAt(2);
|
|
|
|
// save the name
|
|
if (friendInfo.nameEnd)
|
|
friendInfo.name = friendInfo.nameEnd->str();
|
|
|
|
// fill this in after parsing is complete
|
|
friendInfo.type = 0;
|
|
|
|
scope->definedType->friendList.push_back(friendInfo);
|
|
}
|
|
} else if (scope->type == Scope::eNamespace || scope->type == Scope::eGlobal) {
|
|
const Token *funcStart = nullptr;
|
|
const Token *argStart = nullptr;
|
|
|
|
// function?
|
|
if (isFunction(tok, scope, &funcStart, &argStart)) {
|
|
const Token* scopeBegin = argStart->link()->next();
|
|
if (scopeBegin->isName()) { // Jump behind 'const' or unknown Macro
|
|
scopeBegin = scopeBegin->next();
|
|
if (scopeBegin->str() == "throw")
|
|
scopeBegin = scopeBegin->next();
|
|
|
|
if (scopeBegin->link() && scopeBegin->str() == "(") // Jump behind unknown macro of type THROW(...)
|
|
scopeBegin = scopeBegin->link()->next();
|
|
}
|
|
|
|
// has body?
|
|
if (Token::Match(scopeBegin, "{|:")) {
|
|
tok = funcStart;
|
|
|
|
// class function
|
|
if (tok->previous() && tok->previous()->str() == "::")
|
|
addClassFunction(&scope, &tok, argStart);
|
|
|
|
// class destructor
|
|
else if (tok->previous() &&
|
|
tok->previous()->str() == "~" &&
|
|
tok->strAt(-2) == "::")
|
|
addClassFunction(&scope, &tok, argStart);
|
|
|
|
// regular function
|
|
else {
|
|
Function* function = addGlobalFunction(scope, tok, argStart, funcStart);
|
|
|
|
if (!function)
|
|
_tokenizer->syntaxError(tok);
|
|
|
|
// global functions can't be const but we have tests that are
|
|
if (Token::Match(argStart->link(), ") const| noexcept")) {
|
|
int arg = 2;
|
|
|
|
if (argStart->link()->strAt(1) == "const")
|
|
arg++;
|
|
|
|
if (argStart->link()->strAt(arg) == "(")
|
|
function->noexceptArg = argStart->link()->tokAt(arg + 1);
|
|
|
|
function->isNoExcept = true;
|
|
} else if (Token::Match(argStart->link(), ") const| throw (")) {
|
|
int arg = 3;
|
|
|
|
if (argStart->link()->strAt(1) == "const")
|
|
arg++;
|
|
|
|
if (argStart->link()->strAt(arg) != ")")
|
|
function->throwArg = argStart->link()->tokAt(arg);
|
|
|
|
function->isThrow = true;
|
|
}
|
|
}
|
|
|
|
// syntax error?
|
|
if (!scope)
|
|
_tokenizer->syntaxError(tok);
|
|
}
|
|
// function prototype?
|
|
else if (scopeBegin->str() == ";") {
|
|
bool newFunc = true; // Is this function already in the database?
|
|
for (std::list<Function>::const_iterator i = scope->functionList.begin(); i != scope->functionList.end(); ++i) {
|
|
if (i->tokenDef->str() == tok->str() && Function::argsMatch(scope, i->argDef->next(), argStart->next(), "", 0)) {
|
|
newFunc = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// save function prototype in database
|
|
if (newFunc) {
|
|
Function* func = addGlobalFunctionDecl(scope, tok, argStart, funcStart);
|
|
|
|
if (Token::Match(argStart->link(), ") const| noexcept")) {
|
|
int arg = 2;
|
|
|
|
if (argStart->link()->strAt(1) == "const")
|
|
arg++;
|
|
|
|
if (argStart->link()->strAt(arg) == "(")
|
|
func->noexceptArg = argStart->link()->tokAt(arg + 1);
|
|
|
|
func->isNoExcept = true;
|
|
} else if (Token::Match(argStart->link(), ") const| throw (")) {
|
|
int arg = 3;
|
|
|
|
if (argStart->link()->strAt(1) == "const")
|
|
arg++;
|
|
|
|
if (argStart->link()->strAt(arg) != ")")
|
|
func->throwArg = argStart->link()->tokAt(arg);
|
|
|
|
func->isThrow = true;
|
|
}
|
|
}
|
|
|
|
tok = scopeBegin;
|
|
continue;
|
|
}
|
|
}
|
|
} else if (scope->isExecutable()) {
|
|
if (Token::Match(tok, "else|try|do {")) {
|
|
const Token* tok1 = tok->next();
|
|
if (tok->str() == "else")
|
|
scopeList.push_back(Scope(this, tok, scope, Scope::eElse, tok1));
|
|
if (tok->str() == "do")
|
|
scopeList.push_back(Scope(this, tok, scope, Scope::eDo, tok1));
|
|
else //if (tok->str() == "try")
|
|
scopeList.push_back(Scope(this, tok, scope, Scope::eTry, tok1));
|
|
|
|
tok = tok1;
|
|
scope->nestedList.push_back(&scopeList.back());
|
|
scope = &scopeList.back();
|
|
} else if (Token::Match(tok, "if|for|while|catch|switch (") && Token::simpleMatch(tok->next()->link(), ") {")) {
|
|
const Token *tok1 = tok->next()->link()->next();
|
|
if (tok->str() == "if")
|
|
scopeList.push_back(Scope(this, tok, scope, Scope::eIf, tok1));
|
|
else if (tok->str() == "for") {
|
|
scopeList.push_back(Scope(this, tok, scope, Scope::eFor, tok1));
|
|
} else if (tok->str() == "while")
|
|
scopeList.push_back(Scope(this, tok, scope, Scope::eWhile, tok1));
|
|
else if (tok->str() == "catch") {
|
|
scopeList.push_back(Scope(this, tok, scope, Scope::eCatch, tok1));
|
|
} else // if (tok->str() == "switch")
|
|
scopeList.push_back(Scope(this, tok, scope, Scope::eSwitch, tok1));
|
|
|
|
scope->nestedList.push_back(&scopeList.back());
|
|
scope = &scopeList.back();
|
|
if (scope->type == Scope::eFor)
|
|
scope->checkVariable(tok->tokAt(2), Local); // check for variable declaration and add it to new scope if found
|
|
else if (scope->type == Scope::eCatch)
|
|
scope->checkVariable(tok->tokAt(2), Throw); // check for variable declaration and add it to new scope if found
|
|
tok = tok1;
|
|
} else if (tok->str() == "{" && !tok->previous()->varId()) {
|
|
if (tok->strAt(-1) == ")" && tok->linkAt(-1)->strAt(-1) == "]") {
|
|
scopeList.push_back(Scope(this, tok->linkAt(-1)->linkAt(-1), scope, Scope::eLambda, tok));
|
|
scope->nestedList.push_back(&scopeList.back());
|
|
scope = &scopeList.back();
|
|
} else if (!Token::Match(tok->previous(), "=|,|(|return") && !(tok->strAt(-1) == ")" && Token::Match(tok->linkAt(-1)->previous(), "=|,|(|return"))) {
|
|
scopeList.push_back(Scope(this, tok, scope, Scope::eUnconditional, tok));
|
|
scope->nestedList.push_back(&scopeList.back());
|
|
scope = &scopeList.back();
|
|
} else {
|
|
tok = tok->link();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!_tokenizer->isC()) {
|
|
// fill in base class info
|
|
for (std::list<Type>::iterator it = typeList.begin(); it != typeList.end(); ++it) {
|
|
// finish filling in base class info
|
|
for (unsigned int i = 0; i < it->derivedFrom.size(); ++i)
|
|
it->derivedFrom[i].type = findType(it->derivedFrom[i].nameTok, it->enclosingScope);
|
|
}
|
|
|
|
// fill in friend info
|
|
for (std::list<Type>::iterator it = typeList.begin(); it != typeList.end(); ++it) {
|
|
for (std::list<Type::FriendInfo>::iterator i = it->friendList.begin(); i != it->friendList.end(); ++i) {
|
|
i->type = findType(i->nameStart, it->enclosingScope);
|
|
}
|
|
}
|
|
|
|
// fill in using info
|
|
for (std::list<Scope>::iterator it = scopeList.begin(); it != scopeList.end(); ++it) {
|
|
for (std::list<Scope::UsingInfo>::iterator i = it->usingList.begin(); i != it->usingList.end(); ++i) {
|
|
// only find if not already found
|
|
if (i->scope == nullptr) {
|
|
// check scope for match
|
|
scope = findScope(i->start->tokAt(2), &(*it));
|
|
if (scope) {
|
|
// set found scope
|
|
i->scope = scope;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// fill in variable info
|
|
for (std::list<Scope>::iterator it = scopeList.begin(); it != scopeList.end(); ++it) {
|
|
// find variables
|
|
it->getVariableList();
|
|
}
|
|
|
|
// fill in function arguments
|
|
for (std::list<Scope>::iterator it = scopeList.begin(); it != scopeList.end(); ++it) {
|
|
std::list<Function>::iterator func;
|
|
|
|
for (func = it->functionList.begin(); func != it->functionList.end(); ++func) {
|
|
// add arguments
|
|
func->addArguments(this, scope);
|
|
}
|
|
}
|
|
|
|
// fill in function scopes
|
|
for (std::list<Scope>::iterator it = scopeList.begin(); it != scopeList.end(); ++it) {
|
|
if (it->type == Scope::eFunction)
|
|
functionScopes.push_back(&*it);
|
|
}
|
|
|
|
// fill in class and struct scopes
|
|
for (std::list<Scope>::iterator it = scopeList.begin(); it != scopeList.end(); ++it) {
|
|
if (it->isClassOrStruct())
|
|
classAndStructScopes.push_back(&*it);
|
|
}
|
|
|
|
// fill in function return types
|
|
for (std::list<Scope>::iterator it = scopeList.begin(); it != scopeList.end(); ++it) {
|
|
std::list<Function>::iterator func;
|
|
|
|
for (func = it->functionList.begin(); func != it->functionList.end(); ++func) {
|
|
// add return types
|
|
if (func->retDef) {
|
|
const Token *type = func->retDef;
|
|
while (Token::Match(type, "static|const|struct|union"))
|
|
type = type->next();
|
|
if (type)
|
|
func->retType = findTypeInNested(type, func->nestedIn);
|
|
}
|
|
}
|
|
}
|
|
|
|
// determine if user defined type needs initialization
|
|
unsigned int unknowns = 0; // stop checking when there are no unknowns
|
|
unsigned int retry = 0; // bail if we don't resolve all the variable types for some reason
|
|
|
|
do {
|
|
unknowns = 0;
|
|
|
|
for (std::list<Scope>::iterator it = scopeList.begin(); it != scopeList.end(); ++it) {
|
|
scope = &(*it);
|
|
|
|
if (!scope->definedType) {
|
|
_blankTypes.push_back(Type());
|
|
scope->definedType = &_blankTypes.back();
|
|
}
|
|
|
|
if (scope->isClassOrStruct() && scope->definedType->needInitialization == Type::Unknown) {
|
|
// check for default constructor
|
|
bool hasDefaultConstructor = false;
|
|
|
|
std::list<Function>::const_iterator func;
|
|
|
|
for (func = scope->functionList.begin(); func != scope->functionList.end(); ++func) {
|
|
if (func->type == Function::eConstructor) {
|
|
// check for no arguments: func ( )
|
|
if (func->argCount() == 0) {
|
|
hasDefaultConstructor = true;
|
|
break;
|
|
}
|
|
|
|
/** check for arguments with default values */
|
|
else if (func->argCount() == func->initializedArgCount()) {
|
|
hasDefaultConstructor = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// User defined types with user defined default constructor doesn't need initialization.
|
|
// We assume the default constructor initializes everything.
|
|
// Another check will figure out if the constructor actually initializes everything.
|
|
if (hasDefaultConstructor)
|
|
scope->definedType->needInitialization = Type::False;
|
|
|
|
// check each member variable to see if it needs initialization
|
|
else {
|
|
bool needInitialization = false;
|
|
bool unknown = false;
|
|
|
|
std::list<Variable>::const_iterator var;
|
|
for (var = scope->varlist.begin(); var != scope->varlist.end(); ++var) {
|
|
if (var->isClass()) {
|
|
if (var->type()) {
|
|
// does this type need initialization?
|
|
if (var->type()->needInitialization == Type::True)
|
|
needInitialization = true;
|
|
else if (var->type()->needInitialization == Type::Unknown)
|
|
unknown = true;
|
|
}
|
|
} else if (!var->hasDefault())
|
|
needInitialization = true;
|
|
}
|
|
|
|
if (!unknown) {
|
|
if (needInitialization)
|
|
scope->definedType->needInitialization = Type::True;
|
|
else
|
|
scope->definedType->needInitialization = Type::False;
|
|
}
|
|
|
|
if (scope->definedType->needInitialization == Type::Unknown)
|
|
unknowns++;
|
|
}
|
|
} else if (scope->type == Scope::eUnion && scope->definedType->needInitialization == Type::Unknown)
|
|
scope->definedType->needInitialization = Type::True;
|
|
}
|
|
|
|
retry++;
|
|
} while (unknowns && retry < 100);
|
|
|
|
// this shouldn't happen so output a debug warning
|
|
if (retry == 100 && _settings->debugwarnings) {
|
|
for (std::list<Scope>::iterator it = scopeList.begin(); it != scopeList.end(); ++it) {
|
|
scope = &(*it);
|
|
|
|
if (scope->isClassOrStruct() && scope->definedType->needInitialization == Type::Unknown)
|
|
debugMessage(scope->classDef, "SymbolDatabase::SymbolDatabase couldn't resolve all user defined types.");
|
|
}
|
|
}
|
|
|
|
// create variable symbol table
|
|
_variableList.resize(_tokenizer->varIdCount() + 1);
|
|
std::fill_n(_variableList.begin(), _variableList.size(), (const Variable*)nullptr);
|
|
|
|
// check all scopes for variables
|
|
for (std::list<Scope>::iterator it = scopeList.begin(); it != scopeList.end(); ++it) {
|
|
scope = &(*it);
|
|
|
|
// add all variables
|
|
for (std::list<Variable>::iterator var = scope->varlist.begin(); var != scope->varlist.end(); ++var) {
|
|
unsigned int varId = var->declarationId();
|
|
if (varId)
|
|
_variableList[varId] = &(*var);
|
|
// fix up variables without type
|
|
if (!var->type() && !var->typeStartToken()->isStandardType()) {
|
|
const Type *type = findType(var->typeStartToken(), scope);
|
|
if (type)
|
|
var->type(type);
|
|
}
|
|
}
|
|
|
|
// add all function parameters
|
|
for (std::list<Function>::iterator func = scope->functionList.begin(); func != scope->functionList.end(); ++func) {
|
|
for (std::list<Variable>::iterator arg = func->argumentList.begin(); arg != func->argumentList.end(); ++arg) {
|
|
// check for named parameters
|
|
if (arg->nameToken() && arg->declarationId()) {
|
|
const unsigned int declarationId = arg->declarationId();
|
|
if (declarationId > 0U)
|
|
_variableList[declarationId] = &(*arg);
|
|
// fix up parameters without type
|
|
if (!arg->type() && !arg->typeStartToken()->isStandardType()) {
|
|
const Type *type = findTypeInNested(arg->typeStartToken(), scope);
|
|
if (type)
|
|
arg->type(type);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// fill in missing variables if possible
|
|
const std::size_t functions = functionScopes.size();
|
|
for (std::size_t i = 0; i < functions; ++i) {
|
|
const Scope *func = functionScopes[i];
|
|
for (const Token *tok = func->classStart->next(); tok && tok != func->classEnd; tok = tok->next()) {
|
|
// check for member variable
|
|
if (tok->varId() && tok->next() &&
|
|
(tok->next()->str() == "." ||
|
|
(tok->next()->str() == "[" && tok->linkAt(1)->strAt(1) == "."))) {
|
|
const Token *tok1 = tok->next()->str() == "." ? tok->tokAt(2) : tok->linkAt(1)->tokAt(2);
|
|
if (tok1 && tok1->varId() && _variableList[tok1->varId()] == 0) {
|
|
const Variable *var = _variableList[tok->varId()];
|
|
if (var && var->typeScope()) {
|
|
// find the member variable of this variable
|
|
const Variable *var1 = var->typeScope()->getVariable(tok1->str());
|
|
if (var1) {
|
|
// add this variable to the look up table
|
|
_variableList[tok1->varId()] = var1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* set all unknown array dimensions that are set by a variable to the maximum size of that variable type */
|
|
for (std::size_t i = 1; i <= _tokenizer->varIdCount(); i++) {
|
|
// check each array variable
|
|
if (_variableList[i] && _variableList[i]->isArray()) {
|
|
// check each array dimension
|
|
const std::vector<Dimension>& dimensions = _variableList[i]->dimensions();
|
|
for (std::size_t j = 0; j < dimensions.size(); j++) {
|
|
Dimension &dimension = const_cast<Dimension &>(dimensions[j]);
|
|
// check for a single token dimension that is a variable
|
|
if (dimension.num == 0) {
|
|
dimension.known = false;
|
|
if (!dimension.start || (dimension.start != dimension.end) || !dimension.start->varId())
|
|
continue;
|
|
|
|
// get maximum size from type
|
|
// find where this type is defined
|
|
const Variable *var = getVariableFromVarId(dimension.start->varId());
|
|
|
|
// make sure it is in the database
|
|
if (!var)
|
|
break;
|
|
|
|
// get type token
|
|
const Token *index_type = var->typeEndToken();
|
|
|
|
if (index_type->str() == "char") {
|
|
if (index_type->isUnsigned())
|
|
dimension.num = UCHAR_MAX + 1;
|
|
else if (index_type->isSigned())
|
|
dimension.num = SCHAR_MAX + 1;
|
|
else
|
|
dimension.num = CHAR_MAX + 1;
|
|
} else if (index_type->str() == "short") {
|
|
if (index_type->isUnsigned())
|
|
dimension.num = USHRT_MAX + 1;
|
|
else
|
|
dimension.num = SHRT_MAX + 1;
|
|
}
|
|
|
|
// checkScope assumes size is signed int so we limit the following sizes to INT_MAX
|
|
else if (index_type->str() == "int") {
|
|
if (index_type->isUnsigned())
|
|
dimension.num = UINT_MAX + 1ULL;
|
|
else
|
|
dimension.num = INT_MAX + 1ULL;
|
|
} else if (index_type->str() == "long") {
|
|
if (index_type->isUnsigned()) {
|
|
if (index_type->isLong())
|
|
dimension.num = ULLONG_MAX; // should be ULLONG_MAX + 1ULL
|
|
else
|
|
dimension.num = ULONG_MAX; // should be ULONG_MAX + 1ULL
|
|
} else {
|
|
if (index_type->isLong())
|
|
dimension.num = LLONG_MAX; // should be LLONG_MAX + 1LL
|
|
else
|
|
dimension.num = LONG_MAX; // should be LONG_MAX + 1LL
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Set scope pointers
|
|
for (std::list<Scope>::iterator it = scopeList.begin(); it != scopeList.end(); ++it) {
|
|
Token* start = const_cast<Token*>(it->classStart);
|
|
Token* end = const_cast<Token*>(it->classEnd);
|
|
if (it->type == Scope::eGlobal) {
|
|
start = const_cast<Token*>(_tokenizer->list.front());
|
|
end = const_cast<Token*>(_tokenizer->list.back());
|
|
}
|
|
if (start && end) {
|
|
start->scope(&*it);
|
|
end->scope(&*it);
|
|
}
|
|
if (start != end && start->next() != end) {
|
|
for (Token* tok = start->next(); tok != end; tok = tok->next()) {
|
|
if (tok->str() == "{") {
|
|
bool break2 = false;
|
|
for (std::list<Scope*>::const_iterator innerScope = it->nestedList.begin(); innerScope != it->nestedList.end(); ++innerScope) {
|
|
if (tok == (*innerScope)->classStart) { // Is begin of inner scope
|
|
tok = tok->link();
|
|
if (!tok || tok->next() == end || !tok->next()) {
|
|
break2 = true;
|
|
break;
|
|
}
|
|
tok = tok->next();
|
|
break;
|
|
}
|
|
}
|
|
if (break2)
|
|
break;
|
|
}
|
|
tok->scope(&*it);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Set function definition and declaration pointers
|
|
for (std::list<Scope>::iterator it = scopeList.begin(); it != scopeList.end(); ++it) {
|
|
for (std::list<Function>::const_iterator func = it->functionList.begin(); func != it->functionList.end(); ++func) {
|
|
if (func->tokenDef)
|
|
const_cast<Token *>(func->tokenDef)->function(&*func);
|
|
|
|
if (func->token)
|
|
const_cast<Token *>(func->token)->function(&*func);
|
|
}
|
|
}
|
|
|
|
// Set function call pointers
|
|
for (const Token* tok = _tokenizer->list.front(); tok != _tokenizer->list.back(); tok = tok->next()) {
|
|
if (Token::Match(tok, "%var% (")) {
|
|
if (!tok->function())
|
|
const_cast<Token *>(tok)->function(findFunction(tok));
|
|
}
|
|
}
|
|
|
|
// Set variable pointers
|
|
for (const Token* tok = _tokenizer->list.front(); tok != _tokenizer->list.back(); tok = tok->next()) {
|
|
if (tok->varId())
|
|
const_cast<Token *>(tok)->variable(getVariableFromVarId(tok->varId()));
|
|
|
|
// Set Token::variable pointer for array member variable
|
|
// Since it doesn't point at a fixed location it doesn't have varid
|
|
if (tok->variable() != nullptr &&
|
|
tok->variable()->typeScope() &&
|
|
Token::Match(tok, "%var% [|.")) {
|
|
|
|
Token *tok2 = tok->next();
|
|
// Locate "]"
|
|
if (tok->next()->str() == "[") {
|
|
while (tok2 && tok2->str() == "[")
|
|
tok2 = tok2->link()->next();
|
|
}
|
|
|
|
Token *membertok = nullptr;
|
|
if (Token::Match(tok2, ". %var%"))
|
|
membertok = tok2->next();
|
|
else if (Token::Match(tok2, ") . %var%") && tok->strAt(-1) == "(")
|
|
membertok = tok2->tokAt(2);
|
|
|
|
if (membertok) {
|
|
const Variable *var = tok->variable();
|
|
if (var && var->typeScope()) {
|
|
const Variable *membervar = var->typeScope()->getVariable(membertok->str());
|
|
if (membervar)
|
|
membertok->variable(membervar);
|
|
}
|
|
}
|
|
}
|
|
|
|
// check for function returning record type
|
|
// func(...).var
|
|
// func(...)[...].var
|
|
else if (tok->function() && tok->next()->str() == "(" &&
|
|
(Token::Match(tok->next()->link(), ") . %var% !!(") ||
|
|
(Token::Match(tok->next()->link(), ") [") && Token::Match(tok->next()->link()->next()->link(), "] . %var% !!(")))) {
|
|
const Type *type = tok->function()->retType;
|
|
if (type) {
|
|
Token *membertok;
|
|
if (tok->next()->link()->next()->str() == ".")
|
|
membertok = tok->next()->link()->next()->next();
|
|
else
|
|
membertok = tok->next()->link()->next()->link()->next()->next();
|
|
const Variable *membervar = membertok->variable();
|
|
if (!membervar) {
|
|
if (type->classScope) {
|
|
membervar = type->classScope->getVariable(membertok->str());
|
|
if (membervar)
|
|
membertok->variable(membervar);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
SymbolDatabase::~SymbolDatabase()
|
|
{
|
|
// Clear scope, function, and variable pointers
|
|
for (const Token* tok = _tokenizer->list.front(); tok != _tokenizer->list.back(); tok = tok->next()) {
|
|
const_cast<Token *>(tok)->scope(0);
|
|
const_cast<Token *>(tok)->function(0);
|
|
const_cast<Token *>(tok)->variable(0);
|
|
}
|
|
}
|
|
|
|
bool SymbolDatabase::isFunction(const Token *tok, const Scope* outerScope, const Token **funcStart, const Token **argStart)
|
|
{
|
|
if (tok->varId())
|
|
return false;
|
|
|
|
// function returning function pointer? '... ( ... %var% ( ... ))( ... ) {'
|
|
if (tok->str() == "(" &&
|
|
tok->link()->previous()->str() == ")") {
|
|
const Token* tok2 = tok->link()->next();
|
|
if (tok2 && tok2->str() == "(" && Token::Match(tok2->link()->next(), "{|;|const|=")) {
|
|
*funcStart = tok->link()->previous()->link()->previous();
|
|
*argStart = tok->link()->previous()->link();
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// regular function?
|
|
else if (Token::Match(tok, "%var% (") && tok->previous() &&
|
|
(tok->previous()->isName() || tok->strAt(-1) == ">" || tok->strAt(-1) == "&" || tok->strAt(-1) == "*" || // Either a return type in front of tok
|
|
tok->strAt(-1) == "::" || tok->strAt(-1) == "~" || // or a scope qualifier in front of tok
|
|
outerScope->isClassOrStruct())) { // or a ctor/dtor
|
|
const Token* tok2 = tok->next()->link()->next();
|
|
if (tok2 &&
|
|
(Token::Match(tok2, "const| ;|{|=") ||
|
|
(tok2->isUpperCaseName() && Token::Match(tok2, "%var% ;|{")) ||
|
|
(tok2->isUpperCaseName() && Token::Match(tok2, "%var% (") && tok2->next()->link()->strAt(1) == "{") ||
|
|
Token::Match(tok2, ": ::| %var% (|::|<|{") ||
|
|
Token::Match(tok2, "= delete|default ;") ||
|
|
Token::Match(tok2, "const| noexcept {|:|;|=") ||
|
|
(Token::Match(tok2, "const| noexcept|throw (") &&
|
|
tok2->str() == "const" ? (tok2->tokAt(2) && Token::Match(tok2->linkAt(2), ") const| {|:|;|=")) :
|
|
(tok2->next() && Token::Match(tok2->next()->link(), ") {|:|;|="))))) {
|
|
*funcStart = tok;
|
|
*argStart = tok->next();
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// UNKNOWN_MACRO(a,b) { ... }
|
|
else if (outerScope->type == Scope::eGlobal &&
|
|
Token::Match(tok, "%var% (") &&
|
|
tok->isUpperCaseName() &&
|
|
Token::simpleMatch(tok->linkAt(1), ") {") &&
|
|
(!tok->previous() || Token::Match(tok->previous(), "[;{}]"))) {
|
|
*funcStart = tok;
|
|
*argStart = tok->next();
|
|
return true;
|
|
}
|
|
|
|
// template constructor?
|
|
else if (Token::Match(tok, "%var% <") && Token::simpleMatch(tok->next()->link(), "> (")) {
|
|
const Token* tok2 = tok->next()->link()->next()->link();
|
|
if (Token::Match(tok2, ") const| ;|{|=") ||
|
|
Token::Match(tok2, ") : ::| %var% (|::|<|{") ||
|
|
Token::Match(tok->next()->link()->next()->link(), ") const| noexcept {|;|(")) {
|
|
*funcStart = tok;
|
|
*argStart = tok2->link();
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
const Token * Variable::declEndToken() const
|
|
{
|
|
Token const * declEnd = typeStartToken();
|
|
while (declEnd && !Token::Match(declEnd, "[;,)={]")) {
|
|
if (declEnd->link() && Token::Match(declEnd,"(|["))
|
|
declEnd = declEnd->link();
|
|
declEnd = declEnd->next();
|
|
}
|
|
return declEnd;
|
|
}
|
|
|
|
void Variable::evaluate()
|
|
{
|
|
const Token* tok = _start;
|
|
while (tok && tok->previous() && tok->previous()->isName())
|
|
tok = tok->previous();
|
|
for (const Token* const end = _name?_name:_end; tok != end;) {
|
|
if (tok->str() == "static")
|
|
setFlag(fIsStatic, true);
|
|
else if (tok->str() == "extern")
|
|
setFlag(fIsExtern, true);
|
|
else if (tok->str() == "mutable")
|
|
setFlag(fIsMutable, true);
|
|
else if (tok->str() == "const")
|
|
setFlag(fIsConst, true);
|
|
else if (tok->str() == "*") {
|
|
setFlag(fIsPointer, true);
|
|
setFlag(fIsConst, false); // Points to const, isn't necessarily const itself
|
|
} else if (tok->str() == "&") {
|
|
if (isReference())
|
|
setFlag(fIsRValueRef, true);
|
|
setFlag(fIsReference, true);
|
|
} else if (tok->str() == "&&") { // Before simplification, && isn't split up
|
|
setFlag(fIsRValueRef, true);
|
|
setFlag(fIsReference, true); // Set also fIsReference
|
|
}
|
|
|
|
if (tok->str() == "<" && tok->link())
|
|
tok = tok->link();
|
|
else
|
|
tok = tok->next();
|
|
}
|
|
|
|
while (Token::Match(_start, "static|const %any%"))
|
|
_start = _start->next();
|
|
while (_end && _end->previous() && _end->str() == "const")
|
|
_end = _end->previous();
|
|
|
|
if (_name)
|
|
setFlag(fIsArray, arrayDimensions(_dimensions, _name->next()));
|
|
if (_start) {
|
|
setFlag(fIsClass, !_start->isStandardType() && !isPointer() && !isReference());
|
|
setFlag(fIsStlType, Token::simpleMatch(_start, "std ::"));
|
|
setFlag(fIsStlString, isStlType() && (Token::Match(_start->tokAt(2), "string|wstring|u16string|u32string !!::") || (Token::simpleMatch(_start->tokAt(2), "basic_string <") && !Token::simpleMatch(_start->linkAt(3), "> ::"))));
|
|
}
|
|
if (_access == Argument) {
|
|
tok = _name;
|
|
if (!tok) {
|
|
// Argument without name
|
|
tok = _end;
|
|
// back up to start of array dimensions
|
|
while (tok && tok->str() == "]")
|
|
tok = tok->link()->previous();
|
|
// add array dimensions if present
|
|
if (tok && tok->next()->str() == "[")
|
|
setFlag(fIsArray, arrayDimensions(_dimensions, tok->next()));
|
|
}
|
|
if (!tok)
|
|
return;
|
|
tok = tok->next();
|
|
while (tok->str() == "[")
|
|
tok = tok->link();
|
|
setFlag(fHasDefault, tok->str() == "=");
|
|
}
|
|
// check for C++11 member initialization
|
|
if (_scope && _scope->isClassOrStruct()) {
|
|
// type var = x or
|
|
// type var = {x}
|
|
// type var = x; gets simplified to: type var ; var = x ;
|
|
Token const * declEnd = declEndToken();
|
|
if ((Token::Match(declEnd, "; %var% = ") && declEnd->strAt(1) == _name->str()) ||
|
|
Token::Match(declEnd, "=|{"))
|
|
setFlag(fHasDefault, true);
|
|
}
|
|
|
|
if (_start) {
|
|
if (Token::Match(_start, "bool|char|short|int|long"))
|
|
setFlag(fIsIntType, true);
|
|
else if (Token::Match(_start, "float|double"))
|
|
setFlag(fIsFloatType, true);
|
|
}
|
|
}
|
|
|
|
bool Function::argsMatch(const Scope *scope, const Token *first, const Token *second, const std::string &path, unsigned int depth)
|
|
{
|
|
const bool isCPP = scope->check->isCPP();
|
|
if (!isCPP) // C does not support overloads
|
|
return true;
|
|
|
|
// skip "struct"
|
|
if (first->str() == "struct")
|
|
first = first->next();
|
|
if (second->str() == "struct")
|
|
second = second->next();
|
|
|
|
// skip const on type passed by value
|
|
if (Token::Match(first, "const %type% %var%|,|)"))
|
|
first = first->next();
|
|
if (Token::Match(second, "const %type% %var%|,|)"))
|
|
second = second->next();
|
|
|
|
while (first->str() == second->str() &&
|
|
first->isLong() == second->isLong() &&
|
|
first->isUnsigned() == second->isUnsigned()) {
|
|
// at end of argument list
|
|
if (first->str() == ")") {
|
|
return true;
|
|
}
|
|
|
|
// skip default value assignment
|
|
else if (first->next()->str() == "=") {
|
|
first = first->nextArgument();
|
|
if (first)
|
|
first = first->tokAt(-2);
|
|
if (second->next()->str() == "=") {
|
|
second = second->nextArgument();
|
|
if (second)
|
|
second = second->tokAt(-2);
|
|
if (!first || !second) { // End of argument list (first or second)
|
|
return !first && !second;
|
|
}
|
|
} else if (!first) { // End of argument list (first)
|
|
return second->next() && second->next()->str() == ")";
|
|
}
|
|
} else if (second->next()->str() == "=") {
|
|
second = second->nextArgument();
|
|
if (second)
|
|
second = second->tokAt(-2);
|
|
if (!first || !second) { // End of argument list (first or second)
|
|
return !first && !second;
|
|
}
|
|
}
|
|
|
|
// definition missing variable name
|
|
else if (first->next()->str() == "," && second->next()->str() != ",") {
|
|
second = second->next();
|
|
// skip default value assignment
|
|
if (second->next()->str() == "=") {
|
|
while (!Token::Match(second->next(), ",|)"))
|
|
second = second->next();
|
|
}
|
|
} else if (first->next()->str() == ")" && second->next()->str() != ")") {
|
|
second = second->next();
|
|
// skip default value assignment
|
|
if (second->next()->str() == "=") {
|
|
while (!Token::Match(second->next(), ",|)"))
|
|
second = second->next();
|
|
}
|
|
} else if (first->next()->str() == "[" && second->next()->str() != "[")
|
|
second = second->next();
|
|
|
|
// function missing variable name
|
|
else if (second->next()->str() == "," && first->next()->str() != ",") {
|
|
first = first->next();
|
|
// skip default value assignment
|
|
if (first->next()->str() == "=") {
|
|
while (!Token::Match(first->next(), ",|)"))
|
|
first = first->next();
|
|
}
|
|
} else if (second->next()->str() == ")" && first->next()->str() != ")") {
|
|
first = first->next();
|
|
// skip default value assignment
|
|
if (first->next()->str() == "=") {
|
|
while (!Token::Match(first->next(), ",|)"))
|
|
first = first->next();
|
|
}
|
|
} else if (second->next()->str() == "[" && first->next()->str() != "[")
|
|
first = first->next();
|
|
|
|
// argument list has different number of arguments
|
|
else if (second->str() == ")")
|
|
break;
|
|
|
|
// variable names are different
|
|
else if ((Token::Match(first->next(), "%var% ,|)|=") &&
|
|
Token::Match(second->next(), "%var% ,|)")) &&
|
|
(first->next()->str() != second->next()->str())) {
|
|
// skip variable names
|
|
first = first->next();
|
|
second = second->next();
|
|
}
|
|
|
|
// variable with class path
|
|
else if (depth && Token::Match(first->next(), "%var%")) {
|
|
std::string param = path + first->next()->str();
|
|
|
|
if (Token::Match(second->next(), param.c_str())) {
|
|
second = second->tokAt(int(depth) * 2);
|
|
} else if (depth > 1) {
|
|
std::string short_path = path;
|
|
|
|
// remove last " :: "
|
|
short_path.resize(short_path.size() - 4);
|
|
|
|
// remove last name
|
|
while (!short_path.empty() && short_path[short_path.size() - 1] != ' ')
|
|
short_path.resize(short_path.size() - 1);
|
|
|
|
param = short_path + first->next()->str();
|
|
if (Token::Match(second->next(), param.c_str())) {
|
|
second = second->tokAt((int(depth) - 1) * 2);
|
|
}
|
|
}
|
|
}
|
|
|
|
// nested class variable
|
|
else if (depth == 0 && Token::Match(first->next(), "%var%") &&
|
|
second->next()->str() == scope->className && second->strAt(2) == "::" &&
|
|
first->next()->str() == second->strAt(3)) {
|
|
second = second->tokAt(2);
|
|
}
|
|
|
|
first = first->next();
|
|
second = second->next();
|
|
|
|
// skip "struct"
|
|
if (first->str() == "struct")
|
|
first = first->next();
|
|
if (second->str() == "struct")
|
|
second = second->next();
|
|
|
|
// skip const on type passed by value
|
|
if (Token::Match(first, "const %type% %var%|,|)"))
|
|
first = first->next();
|
|
if (Token::Match(second, "const %type% %var%|,|)"))
|
|
second = second->next();
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
Function* SymbolDatabase::addGlobalFunction(Scope*& scope, const Token*& tok, const Token *argStart, const Token* funcStart)
|
|
{
|
|
Function* function = 0;
|
|
for (std::list<Function>::iterator i = scope->functionList.begin(); i != scope->functionList.end(); ++i) {
|
|
if (i->tokenDef->str() == tok->str() && Function::argsMatch(scope, i->argDef->next(), argStart->next(), "", 0)) {
|
|
function = &*i;
|
|
// copy attributes from function prototype to function
|
|
Token* to = const_cast<Token *>(tok);
|
|
const Token* from = i->tokenDef;
|
|
to->isAttributeConstructor(from->isAttributeConstructor());
|
|
to->isAttributeDestructor(from->isAttributeDestructor());
|
|
to->isAttributePure(from->isAttributePure());
|
|
to->isAttributeConst(from->isAttributeConst());
|
|
to->isAttributeNothrow(from->isAttributeNothrow());
|
|
to->isDeclspecNothrow(from->isDeclspecNothrow());
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!function)
|
|
function = addGlobalFunctionDecl(scope, tok, argStart, funcStart);
|
|
|
|
function->arg = argStart;
|
|
function->token = funcStart;
|
|
function->hasBody = true;
|
|
|
|
addNewFunction(&scope, &tok);
|
|
|
|
if (scope) {
|
|
scope->function = function;
|
|
function->functionScope = scope;
|
|
return function;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
Function* SymbolDatabase::addGlobalFunctionDecl(Scope*& scope, const Token *tok, const Token *argStart, const Token* funcStart)
|
|
{
|
|
Function function;
|
|
|
|
// save the function definition argument start '('
|
|
function.argDef = argStart;
|
|
|
|
// save the access type
|
|
function.access = Public;
|
|
|
|
// save the function name location
|
|
function.tokenDef = funcStart;
|
|
|
|
function.isInline = false;
|
|
function.hasBody = false;
|
|
function.type = Function::eFunction;
|
|
function.nestedIn = scope;
|
|
|
|
const Token *tok1 = tok;
|
|
|
|
// look for end of previous statement
|
|
while (tok1->previous() && !Token::Match(tok1->previous(), ";|}|{"))
|
|
tok1 = tok1->previous();
|
|
|
|
// find the return type
|
|
while (tok1 && Token::Match(tok1->next(), "static|const"))
|
|
tok1 = tok1->next();
|
|
|
|
if (tok1)
|
|
function.retDef = tok1;
|
|
|
|
scope->functionList.push_back(function);
|
|
return &scope->functionList.back();
|
|
}
|
|
|
|
void SymbolDatabase::addClassFunction(Scope **scope, const Token **tok, const Token *argStart)
|
|
{
|
|
const bool destructor((*tok)->previous()->str() == "~");
|
|
const Token *tok1;
|
|
// skip class/struct name
|
|
if (destructor)
|
|
tok1 = (*tok)->tokAt(-3);
|
|
else
|
|
tok1 = (*tok)->tokAt(-2);
|
|
|
|
// syntax error?
|
|
if (!tok1)
|
|
return;
|
|
|
|
int count = 0;
|
|
std::string path;
|
|
unsigned int path_length = 0;
|
|
|
|
// back up to head of path
|
|
while (tok1 && tok1->previous() && tok1->previous()->str() == "::" &&
|
|
tok1->tokAt(-2) && tok1->tokAt(-2)->isName()) {
|
|
path = tok1->str() + " :: " + path;
|
|
tok1 = tok1->tokAt(-2);
|
|
count++;
|
|
path_length++;
|
|
}
|
|
|
|
if (tok1 && count) {
|
|
path = tok1->str() + " :: " + path;
|
|
path_length++;
|
|
}
|
|
|
|
std::list<Scope>::iterator it1;
|
|
|
|
// search for match
|
|
for (it1 = scopeList.begin(); it1 != scopeList.end(); ++it1) {
|
|
Scope *scope1 = &(*it1);
|
|
|
|
bool match = false;
|
|
|
|
// check in namespace if using found
|
|
if (*scope == scope1 && !scope1->usingList.empty()) {
|
|
std::list<Scope::UsingInfo>::const_iterator it2;
|
|
for (it2 = scope1->usingList.begin(); it2 != scope1->usingList.end(); ++it2) {
|
|
if (it2->scope) {
|
|
Function * func = findFunctionInScope(tok1, it2->scope);
|
|
if (func) {
|
|
if (!func->hasBody) {
|
|
func->hasBody = true;
|
|
func->token = *tok;
|
|
func->arg = argStart;
|
|
addNewFunction(scope, tok);
|
|
if (*scope) {
|
|
(*scope)->functionOf = func->nestedIn;
|
|
(*scope)->function = &*func;
|
|
(*scope)->function->functionScope = *scope;
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (scope1->className == tok1->str() && (scope1->type != Scope::eFunction)) {
|
|
// do the scopes match (same scope) or do their names match (multiple namespaces)
|
|
if ((*scope == scope1->nestedIn) || (*scope &&
|
|
(*scope)->className == scope1->nestedIn->className &&
|
|
!(*scope)->className.empty() &&
|
|
(*scope)->type == scope1->nestedIn->type)) {
|
|
|
|
// nested scopes => check that they match
|
|
{
|
|
const Scope *s1 = *scope;
|
|
const Scope *s2 = scope1->nestedIn;
|
|
while (s1 && s2) {
|
|
if (s1->className != s2->className)
|
|
break;
|
|
s1 = s1->nestedIn;
|
|
s2 = s2->nestedIn;
|
|
}
|
|
// Not matching scopes
|
|
if (s1 || s2)
|
|
continue;
|
|
}
|
|
|
|
Scope *scope2 = scope1;
|
|
|
|
while (scope2 && count > 0) {
|
|
count--;
|
|
tok1 = tok1->tokAt(2);
|
|
scope2 = scope2->findInNestedList(tok1->str());
|
|
}
|
|
|
|
if (count == 0 && scope2) {
|
|
match = true;
|
|
scope1 = scope2;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (match) {
|
|
std::list<Function>::iterator func;
|
|
|
|
for (func = scope1->functionList.begin(); func != scope1->functionList.end(); ++func) {
|
|
if (!func->hasBody && func->tokenDef->str() == (*tok)->str()) {
|
|
if (Function::argsMatch(scope1, func->argDef, (*tok)->next(), path, path_length)) {
|
|
if (func->type == Function::eDestructor && destructor) {
|
|
func->hasBody = true;
|
|
} else if (func->type != Function::eDestructor && !destructor) {
|
|
// normal function?
|
|
if ((*tok)->next()->link()) {
|
|
const bool hasConstKeyword = (*tok)->next()->link()->next()->str() == "const";
|
|
if ((func->isConst && hasConstKeyword) ||
|
|
(!func->isConst && !hasConstKeyword)) {
|
|
func->hasBody = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (func->hasBody) {
|
|
func->token = *tok;
|
|
func->arg = argStart;
|
|
addNewFunction(scope, tok);
|
|
if (*scope) {
|
|
(*scope)->functionOf = scope1;
|
|
(*scope)->function = &*func;
|
|
(*scope)->function->functionScope = *scope;
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// class function of unknown class
|
|
addNewFunction(scope, tok);
|
|
}
|
|
|
|
void SymbolDatabase::addNewFunction(Scope **scope, const Token **tok)
|
|
{
|
|
const Token *tok1 = *tok;
|
|
scopeList.push_back(Scope(this, tok1, *scope));
|
|
Scope *new_scope = &scopeList.back();
|
|
|
|
// skip to start of function
|
|
bool foundInitLit = false;
|
|
while (tok1 && (tok1->str() != "{" || (foundInitLit && tok1->previous()->isName()))) {
|
|
if (Token::Match(tok1, "(|{"))
|
|
tok1 = tok1->link();
|
|
if (tok1->str() == ":")
|
|
foundInitLit = true;
|
|
tok1 = tok1->next();
|
|
}
|
|
|
|
if (tok1) {
|
|
new_scope->classStart = tok1;
|
|
new_scope->classEnd = tok1->link();
|
|
|
|
// syntax error?
|
|
if (!new_scope->classEnd) {
|
|
scopeList.pop_back();
|
|
while (tok1->next())
|
|
tok1 = tok1->next();
|
|
*scope = nullptr;
|
|
*tok = tok1;
|
|
return;
|
|
}
|
|
|
|
(*scope)->nestedList.push_back(new_scope);
|
|
*scope = new_scope;
|
|
*tok = tok1;
|
|
} else {
|
|
scopeList.pop_back();
|
|
*scope = nullptr;
|
|
*tok = nullptr;
|
|
}
|
|
}
|
|
|
|
const Token *Type::initBaseInfo(const Token *tok, const Token *tok1)
|
|
{
|
|
// goto initial '{'
|
|
const Token *tok2 = tok1;
|
|
while (tok2 && tok2->str() != "{") {
|
|
// skip unsupported templates
|
|
if (tok2->str() == "<")
|
|
tok2 = tok2->link();
|
|
|
|
// check for base classes
|
|
else if (Token::Match(tok2, ":|,")) {
|
|
tok2 = tok2->next();
|
|
|
|
// check for invalid code
|
|
if (!tok2 || !tok2->next())
|
|
return nullptr;
|
|
|
|
Type::BaseInfo base;
|
|
|
|
if (tok2->str() == "virtual") {
|
|
base.isVirtual = true;
|
|
tok2 = tok2->next();
|
|
}
|
|
|
|
if (tok2->str() == "public") {
|
|
base.access = Public;
|
|
tok2 = tok2->next();
|
|
} else if (tok2->str() == "protected") {
|
|
base.access = Protected;
|
|
tok2 = tok2->next();
|
|
} else if (tok2->str() == "private") {
|
|
base.access = Private;
|
|
tok2 = tok2->next();
|
|
} else {
|
|
if (tok->str() == "class")
|
|
base.access = Private;
|
|
else if (tok->str() == "struct")
|
|
base.access = Public;
|
|
}
|
|
|
|
if (tok2->str() == "virtual") {
|
|
base.isVirtual = true;
|
|
tok2 = tok2->next();
|
|
}
|
|
|
|
base.nameTok = tok2;
|
|
|
|
// handle global namespace
|
|
if (tok2->str() == "::") {
|
|
tok2 = tok2->next();
|
|
}
|
|
|
|
// handle derived base classes
|
|
while (Token::Match(tok2, "%var% ::")) {
|
|
tok2 = tok2->tokAt(2);
|
|
}
|
|
|
|
base.name = tok2->str();
|
|
|
|
// add unhandled templates
|
|
if (tok2->next() && tok2->next()->str() == "<") {
|
|
tok2 = tok2->next();
|
|
base.name += tok2->str();
|
|
|
|
int level1 = 1;
|
|
while (tok2->next()) {
|
|
base.name += tok2->next()->str();
|
|
|
|
if (tok2->next()->str() == ">") {
|
|
level1--;
|
|
if (level1 == 0)
|
|
break;
|
|
} else if (tok2->next()->str() == "<")
|
|
level1++;
|
|
|
|
tok2 = tok2->next();
|
|
}
|
|
}
|
|
|
|
// save pattern for base class name
|
|
derivedFrom.push_back(base);
|
|
}
|
|
if (tok2) // see #4806
|
|
tok2 = tok2->next();
|
|
}
|
|
|
|
return tok2;
|
|
}
|
|
|
|
void SymbolDatabase::debugMessage(const Token *tok, const std::string &msg) const
|
|
{
|
|
if (tok && _settings->debugwarnings) {
|
|
const std::list<const Token*> locationList(1, tok);
|
|
const ErrorLogger::ErrorMessage errmsg(locationList, &_tokenizer->list,
|
|
Severity::debug,
|
|
"debug",
|
|
msg,
|
|
false);
|
|
if (_errorLogger)
|
|
_errorLogger->reportErr(errmsg);
|
|
}
|
|
}
|
|
|
|
const Function* Type::getFunction(const std::string& funcName) const
|
|
{
|
|
if (classScope) {
|
|
for (std::list<Function>::const_iterator i = classScope->functionList.begin(); i != classScope->functionList.end(); ++i)
|
|
if (i->name() == funcName)
|
|
return &*i;
|
|
}
|
|
|
|
for (std::size_t i = 0; i < derivedFrom.size(); i++) {
|
|
if (derivedFrom[i].type) {
|
|
const Function* func = derivedFrom[i].type->getFunction(funcName);
|
|
if (func)
|
|
return func;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
bool Type::hasCircularDependencies(std::set<BaseInfo>* anchestors) const
|
|
{
|
|
std::set<BaseInfo> knownAnchestors;
|
|
if (!anchestors) {
|
|
anchestors=&knownAnchestors;
|
|
}
|
|
for (std::vector<BaseInfo>::const_iterator parent=derivedFrom.begin(); parent!=derivedFrom.end(); ++parent) {
|
|
if (!parent->type)
|
|
continue;
|
|
else if (this==parent->type)
|
|
return true;
|
|
else if (anchestors->find(*parent)!=anchestors->end())
|
|
return true;
|
|
else {
|
|
anchestors->insert(*parent);
|
|
if (parent->type->hasCircularDependencies(anchestors))
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool Variable::arrayDimensions(std::vector<Dimension> &dimensions, const Token *tok)
|
|
{
|
|
bool isArray = false;
|
|
|
|
const Token *dim = tok;
|
|
|
|
while (dim && dim->next() && dim->str() == "[") {
|
|
Dimension dimension;
|
|
// check for empty array dimension []
|
|
if (dim->next()->str() != "]") {
|
|
dimension.start = dim->next();
|
|
dimension.end = dim->link()->previous();
|
|
if (dimension.start == dimension.end && dimension.start->isNumber())
|
|
dimension.num = MathLib::toLongNumber(dimension.start->str());
|
|
}
|
|
dimensions.push_back(dimension);
|
|
dim = dim->link()->next();
|
|
isArray = true;
|
|
}
|
|
return isArray;
|
|
}
|
|
|
|
static std::ostream & operator << (std::ostream & s, Scope::ScopeType type)
|
|
{
|
|
s << (type == Scope::eGlobal ? "Global" :
|
|
type == Scope::eClass ? "Class" :
|
|
type == Scope::eStruct ? "Struct" :
|
|
type == Scope::eUnion ? "Union" :
|
|
type == Scope::eNamespace ? "Namespace" :
|
|
type == Scope::eFunction ? "Function" :
|
|
type == Scope::eIf ? "If" :
|
|
type == Scope::eElse ? "Else" :
|
|
type == Scope::eFor ? "For" :
|
|
type == Scope::eWhile ? "While" :
|
|
type == Scope::eDo ? "Do" :
|
|
type == Scope::eSwitch ? "Switch" :
|
|
type == Scope::eTry ? "Try" :
|
|
type == Scope::eCatch ? "Catch" :
|
|
type == Scope::eUnconditional ? "Unconditional" :
|
|
type == Scope::eLambda ? "Lambda" :
|
|
"Unknown");
|
|
return s;
|
|
}
|
|
|
|
void SymbolDatabase::printVariable(const Variable *var, const char *indent) const
|
|
{
|
|
std::cout << indent << "_name: " << var->nameToken();
|
|
if (var->nameToken()) {
|
|
std::cout << " " << var->name() << " " << _tokenizer->list.fileLine(var->nameToken()) << std::endl;
|
|
std::cout << indent << " declarationId: " << var->declarationId() << std::endl;
|
|
} else
|
|
std::cout << std::endl;
|
|
std::cout << indent << "_start: " << var->typeStartToken() << " " << var->typeStartToken()->str()
|
|
<< " " << _tokenizer->list.fileLine(var->typeStartToken()) << std::endl;
|
|
std::cout << indent << "_end: " << var->typeEndToken() << " " << var->typeEndToken()->str()
|
|
<< " " << _tokenizer->list.fileLine(var->typeEndToken()) << std::endl;
|
|
std::cout << indent << "_index: " << var->index() << std::endl;
|
|
std::cout << indent << "_access: " <<
|
|
(var->isPublic() ? "Public" :
|
|
var->isProtected() ? "Protected" :
|
|
var->isPrivate() ? "Private" :
|
|
var->isGlobal() ? "Global" :
|
|
var->isNamespace() ? "Namespace" :
|
|
var->isArgument() ? "Argument" :
|
|
var->isLocal() ? "Local" :
|
|
var->isThrow() ? "Throw" :
|
|
"???") << std::endl;
|
|
std::cout << indent << "_flags: " << std::endl;
|
|
std::cout << indent << " isMutable: " << (var->isMutable() ? "true" : "false") << std::endl;
|
|
std::cout << indent << " isStatic: " << (var->isStatic() ? "true" : "false") << std::endl;
|
|
std::cout << indent << " isExtern: " << (var->isExtern() ? "true" : "false") << std::endl;
|
|
std::cout << indent << " isLocal: " << (var->isLocal() ? "true" : "false") << std::endl;
|
|
std::cout << indent << " isConst: " << (var->isConst() ? "true" : "false") << std::endl;
|
|
std::cout << indent << " isClass: " << (var->isClass() ? "true" : "false") << std::endl;
|
|
std::cout << indent << " isArray: " << (var->isArray() ? "true" : "false") << std::endl;
|
|
std::cout << indent << " isPointer: " << (var->isPointer() ? "true" : "false") << std::endl;
|
|
std::cout << indent << " isReference: " << (var->isReference() ? "true" : "false") << std::endl;
|
|
std::cout << indent << " isRValueRef: " << (var->isRValueReference() ? "true" : "false") << std::endl;
|
|
std::cout << indent << " hasDefault: " << (var->hasDefault() ? "true" : "false") << std::endl;
|
|
std::cout << indent << " isStlType: " << (var->isStlType() ? "true" : "false") << std::endl;
|
|
std::cout << indent << "_type: ";
|
|
if (var->type()) {
|
|
std::cout << var->type()->name();
|
|
if (var->typeScope())
|
|
std::cout << " " << var->typeScope()->type;
|
|
std::cout << " " << _tokenizer->list.fileLine(var->type()->classDef) << std::endl;
|
|
} else
|
|
std::cout << "none" << std::endl;
|
|
|
|
std::cout << indent << "_scope: ";
|
|
if (var->scope()) {
|
|
std::cout << var->scope()->className << " " << var->scope()->type;
|
|
if (var->scope()->classDef)
|
|
std::cout << " " << _tokenizer->list.fileLine(var->scope()->classDef) << std::endl;
|
|
else
|
|
std::cout << std::endl;
|
|
} else
|
|
std::cout << "none" << std::endl;
|
|
|
|
std::cout << indent << "_dimensions:";
|
|
for (std::size_t i = 0; i < var->dimensions().size(); i++) {
|
|
std::cout << " " << var->dimension(i);
|
|
if (!var->dimensions()[i].known)
|
|
std::cout << "?";
|
|
}
|
|
std::cout << std::endl;
|
|
}
|
|
|
|
void SymbolDatabase::printOut(const char *title) const
|
|
{
|
|
if (title)
|
|
std::cout << "\n### " << title << " ###\n";
|
|
|
|
for (std::list<Scope>::const_iterator scope = scopeList.begin(); scope != scopeList.end(); ++scope) {
|
|
std::cout << "Scope: " << &*scope << std::endl;
|
|
std::cout << " type: " << scope->type << std::endl;
|
|
std::cout << " className: " << scope->className << std::endl;
|
|
std::cout << " classDef: " << scope->classDef;
|
|
if (scope->classDef)
|
|
std::cout << " " << scope->classDef->str() << " " << _tokenizer->list.fileLine(scope->classDef) << std::endl;
|
|
else
|
|
std::cout << std::endl;
|
|
|
|
std::cout << " classStart: " << scope->classStart;
|
|
if (scope->classStart)
|
|
std::cout << " " << scope->classStart->str() << " " << _tokenizer->list.fileLine(scope->classStart) << std::endl;
|
|
else
|
|
std::cout << std::endl;
|
|
|
|
std::cout << " classEnd: " << scope->classEnd;
|
|
if (scope->classEnd)
|
|
std::cout << " " << scope->classEnd->str() << " " << _tokenizer->list.fileLine(scope->classEnd) << std::endl;
|
|
else
|
|
std::cout << std::endl;
|
|
|
|
std::list<Function>::const_iterator func;
|
|
|
|
// find the function body if not implemented inline
|
|
for (func = scope->functionList.begin(); func != scope->functionList.end(); ++func) {
|
|
std::cout << " Function: " << &*func << std::endl;
|
|
std::cout << " name: " << func->tokenDef->str() << " "
|
|
<< _tokenizer->list.fileLine(func->tokenDef) << std::endl;
|
|
std::cout << " type: " << (func->type == Function::eConstructor? "Constructor" :
|
|
func->type == Function::eCopyConstructor ? "CopyConstructor" :
|
|
func->type == Function::eMoveConstructor ? "MoveConstructor" :
|
|
func->type == Function::eOperatorEqual ? "OperatorEqual" :
|
|
func->type == Function::eDestructor ? "Destructor" :
|
|
func->type == Function::eFunction ? "Function" :
|
|
"???") << std::endl;
|
|
std::cout << " access: " << (func->access == Public ? "Public" :
|
|
func->access == Protected ? "Protected" :
|
|
func->access == Private ? "Private" :
|
|
"???") << std::endl;
|
|
std::cout << " hasBody: " << (func->hasBody ? "true" : "false") << std::endl;
|
|
std::cout << " isInline: " << (func->isInline ? "true" : "false") << std::endl;
|
|
std::cout << " isConst: " << (func->isConst ? "true" : "false") << std::endl;
|
|
std::cout << " isVirtual: " << (func->isVirtual ? "true" : "false") << std::endl;
|
|
std::cout << " isPure: " << (func->isPure ? "true" : "false") << std::endl;
|
|
std::cout << " isStatic: " << (func->isStatic ? "true" : "false") << std::endl;
|
|
std::cout << " isFriend: " << (func->isFriend ? "true" : "false") << std::endl;
|
|
std::cout << " isExplicit: " << (func->isExplicit ? "true" : "false") << std::endl;
|
|
std::cout << " isDefault: " << (func->isDefault ? "true" : "false") << std::endl;
|
|
std::cout << " isDelete: " << (func->isDelete ? "true" : "false") << std::endl;
|
|
std::cout << " isNoExcept: " << (func->isNoExcept ? "true" : "false") << std::endl;
|
|
std::cout << " isThrow: " << (func->isThrow ? "true" : "false") << std::endl;
|
|
std::cout << " isOperator: " << (func->isOperator ? "true" : "false") << std::endl;
|
|
std::cout << " isAttributeConst: " << (func->isAttributeConst() ? "true" : "false") << std::endl;
|
|
std::cout << " isAttributePure: " << (func->isAttributePure() ? "true" : "false") << std::endl;
|
|
std::cout << " isAttributeNothrow: " << (func->isAttributeNothrow() ? "true" : "false") << std::endl;
|
|
std::cout << " isDeclspecNothrow: " << (func->isDeclspecNothrow() ? "true" : "false") << std::endl;
|
|
std::cout << " noexceptArg: " << (func->noexceptArg ? func->noexceptArg->str() : "none") << std::endl;
|
|
std::cout << " throwArg: " << (func->throwArg ? func->throwArg->str() : "none") << std::endl;
|
|
std::cout << " tokenDef: " << func->tokenDef->str() << " " <<_tokenizer->list.fileLine(func->tokenDef) << std::endl;
|
|
std::cout << " argDef: " << _tokenizer->list.fileLine(func->argDef) << std::endl;
|
|
if (!func->isConstructor() && !func->isDestructor())
|
|
std::cout << " retDef: " << func->retDef->str() << " " <<_tokenizer->list.fileLine(func->retDef) << std::endl;
|
|
std::cout << " retType: " << func->retType << std::endl;
|
|
if (func->hasBody) {
|
|
std::cout << " token: " << _tokenizer->list.fileLine(func->token) << std::endl;
|
|
std::cout << " arg: " << _tokenizer->list.fileLine(func->arg) << std::endl;
|
|
}
|
|
std::cout << " nestedIn: ";
|
|
if (func->nestedIn) {
|
|
std::cout << func->nestedIn->className << " " << func->nestedIn->type;
|
|
if (func->nestedIn->classDef)
|
|
std::cout << " " << _tokenizer->list.fileLine(func->nestedIn->classDef) << std::endl;
|
|
else
|
|
std::cout << std::endl;
|
|
} else
|
|
std::cout << "Unknown" << std::endl;
|
|
std::cout << " functionScope: ";
|
|
if (func->functionScope) {
|
|
std::cout << func->functionScope->className << " "
|
|
<< _tokenizer->list.fileLine(func->functionScope->classDef) << std::endl;
|
|
} else
|
|
std::cout << "Unknown" << std::endl;
|
|
|
|
std::list<Variable>::const_iterator var;
|
|
|
|
for (var = func->argumentList.begin(); var != func->argumentList.end(); ++var) {
|
|
std::cout << " Variable: " << &*var << std::endl;
|
|
printVariable(&*var, " ");
|
|
}
|
|
}
|
|
|
|
std::list<Variable>::const_iterator var;
|
|
|
|
for (var = scope->varlist.begin(); var != scope->varlist.end(); ++var) {
|
|
std::cout << " Variable: " << &*var << std::endl;
|
|
printVariable(&*var, " ");
|
|
}
|
|
|
|
std::cout << " nestedIn: " << scope->nestedIn;
|
|
if (scope->nestedIn) {
|
|
std::cout << " " << scope->nestedIn->type << " "
|
|
<< scope->nestedIn->className;
|
|
}
|
|
std::cout << std::endl;
|
|
|
|
std::cout << " definedType: " << scope->definedType << std::endl;
|
|
|
|
std::cout << " nestedList[" << scope->nestedList.size() << "] = (";
|
|
|
|
std::list<Scope *>::const_iterator nsi;
|
|
|
|
std::size_t count = scope->nestedList.size();
|
|
for (nsi = scope->nestedList.begin(); nsi != scope->nestedList.end(); ++nsi) {
|
|
std::cout << " " << (*nsi) << " " << (*nsi)->type << " " << (*nsi)->className;
|
|
if (count-- > 1)
|
|
std::cout << ",";
|
|
}
|
|
|
|
std::cout << " )" << std::endl;
|
|
|
|
std::list<Scope::UsingInfo>::const_iterator use;
|
|
|
|
for (use = scope->usingList.begin(); use != scope->usingList.end(); ++use) {
|
|
std::cout << " using: " << use->scope << " " << use->start->strAt(2);
|
|
const Token *tok1 = use->start->tokAt(3);
|
|
while (tok1 && tok1->str() == "::") {
|
|
std::cout << "::" << tok1->strAt(1);
|
|
tok1 = tok1->tokAt(2);
|
|
}
|
|
std::cout << " " << _tokenizer->list.fileLine(use->start) << std::endl;
|
|
}
|
|
|
|
std::cout << " functionOf: " << scope->functionOf;
|
|
if (scope->functionOf) {
|
|
std::cout << " " << scope->functionOf->type << " " << scope->functionOf->className;
|
|
if (scope->functionOf->classDef)
|
|
std::cout << " " << _tokenizer->list.fileLine(scope->functionOf->classDef);
|
|
}
|
|
std::cout << std::endl;
|
|
|
|
std::cout << " function: " << scope->function;
|
|
if (scope->function) {
|
|
std::cout << " " << scope->function->tokenDef->str() << " "
|
|
<< _tokenizer->list.fileLine(scope->function->tokenDef);
|
|
}
|
|
std::cout << std::endl;
|
|
}
|
|
|
|
for (std::list<Type>::const_iterator type = typeList.begin(); type != typeList.end(); ++type) {
|
|
std::cout << "Type: " << &(*type) << std::endl;
|
|
std::cout << " name: " << type->name() << std::endl;
|
|
std::cout << " classDef: " << _tokenizer->list.fileLine(type->classDef) << std::endl;
|
|
std::cout << " classScope: " << type->classScope << std::endl;
|
|
std::cout << " enclosingScope: " << type->enclosingScope << std::endl;
|
|
std::cout << " needInitialization: " << (type->needInitialization == Type::Unknown ? "Unknown" :
|
|
type->needInitialization == Type::True ? "True" :
|
|
type->needInitialization == Type::False ? "False" :
|
|
"Invalid") << std::endl;
|
|
|
|
std::cout << " derivedFrom[" << type->derivedFrom.size() << "] = (";
|
|
std::size_t count = type->derivedFrom.size();
|
|
for (std::size_t i = 0; i < type->derivedFrom.size(); ++i) {
|
|
if (type->derivedFrom[i].isVirtual)
|
|
std::cout << "Virtual ";
|
|
|
|
std::cout << (type->derivedFrom[i].access == Public ? " Public" :
|
|
type->derivedFrom[i].access == Protected ? " Protected" :
|
|
type->derivedFrom[i].access == Private ? " Private" :
|
|
" Unknown");
|
|
|
|
if (type->derivedFrom[i].type)
|
|
std::cout << " " << type->derivedFrom[i].type;
|
|
else
|
|
std::cout << " Unknown";
|
|
|
|
std::cout << " " << type->derivedFrom[i].name;
|
|
if (count-- > 1)
|
|
std::cout << ",";
|
|
}
|
|
|
|
std::cout << " )" << std::endl;
|
|
|
|
std::cout << " friendList[" << type->friendList.size() << "] = (";
|
|
|
|
std::list<Type::FriendInfo>::const_iterator fii;
|
|
|
|
count = type->friendList.size();
|
|
for (fii = type->friendList.begin(); fii != type->friendList.end(); ++fii) {
|
|
if (fii->type)
|
|
std::cout << fii->type;
|
|
else
|
|
std::cout << " Unknown";
|
|
|
|
std::cout << " " << fii->name;
|
|
if (count-- > 1)
|
|
std::cout << ",";
|
|
}
|
|
|
|
std::cout << " )" << std::endl;
|
|
}
|
|
|
|
for (std::size_t i = 1; i < _variableList.size(); i++) {
|
|
std::cout << "_variableList[" << i << "]: " << _variableList[i];
|
|
if (_variableList[i]) {
|
|
std::cout << " " << _variableList[i]->name() << " "
|
|
<< _tokenizer->list.fileLine(_variableList[i]->nameToken());
|
|
}
|
|
std::cout << std::endl;
|
|
}
|
|
}
|
|
|
|
static std::string toxml(const std::string &str)
|
|
{
|
|
std::ostringstream xml;
|
|
for (std::size_t i = 0U; i < str.length(); i++) {
|
|
char c = str[i];
|
|
switch (c) {
|
|
case '<':
|
|
xml << "<";
|
|
break;
|
|
case '>':
|
|
xml << ">";
|
|
break;
|
|
case '&':
|
|
xml << "&";
|
|
break;
|
|
case '\"':
|
|
xml << """;
|
|
break;
|
|
default:
|
|
xml << c;
|
|
break;
|
|
}
|
|
}
|
|
return xml.str();
|
|
}
|
|
|
|
void SymbolDatabase::printXml(std::ostream &out) const
|
|
{
|
|
// Scopes..
|
|
out << " <scopes>" << std::endl;
|
|
for (std::list<Scope>::const_iterator scope = scopeList.begin(); scope != scopeList.end(); ++scope) {
|
|
out << " <scope";
|
|
out << " id=\"" << &*scope << "\"";
|
|
out << " type=\"" << scope->type << "\"";
|
|
if (!scope->className.empty())
|
|
out << " className=\"" << toxml(scope->className) << "\"";
|
|
if (scope->classStart)
|
|
out << " classStart=\"" << scope->classStart << '\"';
|
|
if (scope->classEnd)
|
|
out << " classEnd=\"" << scope->classEnd << '\"';
|
|
if (scope->nestedIn)
|
|
out << " nestedIn=\"" << scope->nestedIn << "\"";
|
|
if (scope->function)
|
|
out << " function=\"" << scope->function << "\"";
|
|
if (scope->functionList.empty() && scope->varlist.empty())
|
|
out << "/>" << std::endl;
|
|
else {
|
|
out << '>' << std::endl;
|
|
if (!scope->functionList.empty()) {
|
|
out << " <functionList>" << std::endl;
|
|
for (std::list<Function>::const_iterator function = scope->functionList.begin(); function != scope->functionList.end(); ++function) {
|
|
out << " <function id=\"" << &*function << '\"';
|
|
if (function->argCount() == 0U)
|
|
out << "/>" << std::endl;
|
|
else {
|
|
out << ">" << std::endl;
|
|
for (unsigned int argnr = 0; argnr < function->argCount(); ++argnr) {
|
|
const Variable *arg = function->getArgumentVar(argnr);
|
|
out << " <arg nr=\"" << argnr+1 << "\" variable=\"" << arg << "\"/>" << std::endl;
|
|
}
|
|
out << " </function>" << std::endl;
|
|
}
|
|
}
|
|
out << " </functionList>" << std::endl;
|
|
}
|
|
if (!scope->varlist.empty()) {
|
|
out << " <varlist>" << std::endl;
|
|
for (std::list<Variable>::const_iterator var = scope->varlist.begin(); var != scope->varlist.end(); ++var)
|
|
out << " <var id=\"" << &*var << "\"/>" << std::endl;
|
|
out << " </varlist>" << std::endl;
|
|
}
|
|
out << " </scope>" << std::endl;
|
|
}
|
|
}
|
|
out << " </scopes>" << std::endl;
|
|
|
|
// Variables..
|
|
out << " <variables>" << std::endl;
|
|
for (unsigned int i = 1U; i < _variableList.size(); i++) {
|
|
const Variable *var = _variableList[i];
|
|
if (!var)
|
|
continue;
|
|
out << " <var id=\"" << var << '\"';
|
|
out << " nameToken=\"" << var->nameToken() << '\"';
|
|
out << " typeStartToken=\"" << var->typeStartToken() << '\"';
|
|
out << " typeEndToken=\"" << var->typeEndToken() << '\"';
|
|
out << " isArgument=\"" << (var->isArgument() ? "true" : "false") << '\"';
|
|
out << " isArray=\"" << (var->isArray() ? "true" : "false") << '\"';
|
|
out << " isClass=\"" << (var->isClass() ? "true" : "false") << '\"';
|
|
out << " isLocal=\"" << (var->isLocal() ? "true" : "false") << '\"';
|
|
out << " isPointer=\"" << (var->isPointer() ? "true" : "false") << '\"';
|
|
out << " isReference=\"" << (var->isReference() ? "true" : "false") << '\"';
|
|
out << " isStatic=\"" << (var->isStatic() ? "true" : "false") << '\"';
|
|
out << "/>" << std::endl;
|
|
}
|
|
out << " </variables>" << std::endl;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
|
|
void Function::addArguments(const SymbolDatabase *symbolDatabase, const Scope *scope)
|
|
{
|
|
// check for non-empty argument list "( ... )"
|
|
const Token * start = arg ? arg : argDef;
|
|
if (start && start->link() != start->next() && !Token::simpleMatch(start, "( void )")) {
|
|
unsigned int count = 0;
|
|
|
|
for (const Token* tok = start->next(); tok; tok = tok->next()) {
|
|
if (Token::Match(tok, ",|)"))
|
|
return; // Syntax error
|
|
|
|
const Token* startTok = tok;
|
|
const Token* endTok = nullptr;
|
|
const Token* nameTok = nullptr;
|
|
|
|
do {
|
|
if (tok->varId() != 0) {
|
|
nameTok = tok;
|
|
endTok = tok->previous();
|
|
} else if (tok->str() == "[") {
|
|
// skip array dimension(s)
|
|
tok = tok->link();
|
|
while (tok->next()->str() == "[")
|
|
tok = tok->next()->link();
|
|
} else if (tok->str() == "<") {
|
|
tok = tok->link();
|
|
if (!tok) // something is wrong so just bail out
|
|
return;
|
|
}
|
|
|
|
tok = tok->next();
|
|
|
|
if (!tok) // something is wrong so just bail
|
|
return;
|
|
} while (tok->str() != "," && tok->str() != ")" && tok->str() != "=");
|
|
|
|
const Token *typeTok = startTok->tokAt(startTok->str() == "const" ? 1 : 0);
|
|
if (typeTok->str() == "struct")
|
|
typeTok = typeTok->next();
|
|
if (Token::Match(typeTok, "%type% ::"))
|
|
typeTok = typeTok->tokAt(2);
|
|
|
|
// check for argument with no name or missing varid
|
|
if (!endTok) {
|
|
if (tok->previous()->isName() && tok->strAt(-1) != "const") {
|
|
if (tok->previous() != typeTok) {
|
|
nameTok = tok->previous();
|
|
endTok = nameTok->previous();
|
|
|
|
if (hasBody)
|
|
symbolDatabase->debugMessage(nameTok, "Function::addArguments found argument \'" + nameTok->str() + "\' with varid 0.");
|
|
} else
|
|
endTok = startTok;
|
|
} else
|
|
endTok = tok->previous();
|
|
}
|
|
|
|
const ::Type *argType = nullptr;
|
|
if (!typeTok->isStandardType()) {
|
|
argType = symbolDatabase->findVariableType(scope, typeTok);
|
|
if (!argType) {
|
|
// look for variable type in any using namespace in this scope or above
|
|
const Scope *parent = scope;
|
|
while (parent) {
|
|
for (std::list<Scope::UsingInfo>::const_iterator ui = scope->usingList.begin();
|
|
ui != scope->usingList.end(); ++ui) {
|
|
if (ui->scope) {
|
|
argType = symbolDatabase->findVariableType(ui->scope, typeTok);
|
|
if (argType)
|
|
break;
|
|
}
|
|
}
|
|
if (argType)
|
|
break;
|
|
parent = parent->nestedIn;
|
|
}
|
|
}
|
|
}
|
|
|
|
// skip default values
|
|
if (tok->str() == "=") {
|
|
while (tok->str() != "," && tok->str() != ")") {
|
|
if (tok->link() && Token::Match(tok, "[{[(<]"))
|
|
tok = tok->link();
|
|
tok = tok->next();
|
|
}
|
|
}
|
|
|
|
argumentList.push_back(Variable(nameTok, startTok, endTok, count++, Argument, argType, functionScope));
|
|
|
|
if (tok->str() == ")")
|
|
break;
|
|
}
|
|
|
|
// count default arguments
|
|
for (const Token* tok = argDef->next(); tok && tok != argDef->link(); tok = tok->next()) {
|
|
if (tok->str() == "=")
|
|
initArgCount++;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool Function::isImplicitlyVirtual(bool defaultVal) const
|
|
{
|
|
if (isVirtual)
|
|
return true;
|
|
else if (access == Private || access == Public || access == Protected) {
|
|
bool safe = true;
|
|
bool hasVirt = isImplicitlyVirtual_rec(nestedIn->definedType, safe);
|
|
if (hasVirt)
|
|
return true;
|
|
else if (safe)
|
|
return false;
|
|
else
|
|
return defaultVal;
|
|
} else
|
|
return false;
|
|
}
|
|
|
|
bool Function::isImplicitlyVirtual_rec(const ::Type* baseType, bool& safe) const
|
|
{
|
|
// check each base class
|
|
for (std::size_t i = 0; i < baseType->derivedFrom.size(); ++i) {
|
|
const ::Type* derivedFromType = baseType->derivedFrom[i].type;
|
|
// check if base class exists in database
|
|
if (derivedFromType && derivedFromType->classScope) {
|
|
const Scope *parent = derivedFromType->classScope;
|
|
|
|
std::list<Function>::const_iterator func;
|
|
|
|
// check if function defined in base class
|
|
for (func = parent->functionList.begin(); func != parent->functionList.end(); ++func) {
|
|
if (func->isVirtual && func->tokenDef->str() == tokenDef->str()) { // Base is virtual and of same name
|
|
const Token *temp1 = func->tokenDef->previous();
|
|
const Token *temp2 = tokenDef->previous();
|
|
bool returnMatch = true;
|
|
|
|
// check for matching return parameters
|
|
while (temp1->str() != "virtual") {
|
|
if (temp1->str() != temp2->str()) {
|
|
returnMatch = false;
|
|
break;
|
|
}
|
|
|
|
temp1 = temp1->previous();
|
|
temp2 = temp2->previous();
|
|
}
|
|
|
|
// check for matching function parameters
|
|
if (returnMatch && argsMatch(baseType->classScope, func->argDef, argDef, "", 0)) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!derivedFromType->derivedFrom.empty() && !derivedFromType->hasCircularDependencies()) {
|
|
// avoid endless recursion, see #5289 Crash: Stack overflow in isImplicitlyVirtual_rec when checking SVN and
|
|
// #5590 with a loop within the class hierarchie.
|
|
if (isImplicitlyVirtual_rec(derivedFromType, safe)) {
|
|
return true;
|
|
}
|
|
}
|
|
} else {
|
|
// unable to find base class so assume it has no virtual function
|
|
safe = false;
|
|
return false;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
const Variable* Function::getArgumentVar(std::size_t num) const
|
|
{
|
|
for (std::list<Variable>::const_iterator i = argumentList.begin(); i != argumentList.end(); ++i) {
|
|
if (i->index() == num)
|
|
return (&*i);
|
|
else if (i->index() > num)
|
|
return 0;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------------
|
|
|
|
Scope::Scope(const SymbolDatabase *check_, const Token *classDef_, const Scope *nestedIn_, ScopeType type_, const Token *start_) :
|
|
check(check_),
|
|
classDef(classDef_),
|
|
classStart(start_),
|
|
classEnd(start_->link()),
|
|
nestedIn(nestedIn_),
|
|
numConstructors(0),
|
|
numCopyOrMoveConstructors(0),
|
|
type(type_),
|
|
definedType(nullptr),
|
|
functionOf(nullptr),
|
|
function(nullptr)
|
|
{
|
|
}
|
|
|
|
Scope::Scope(const SymbolDatabase *check_, const Token *classDef_, const Scope *nestedIn_) :
|
|
check(check_),
|
|
classDef(classDef_),
|
|
classStart(nullptr),
|
|
classEnd(nullptr),
|
|
nestedIn(nestedIn_),
|
|
numConstructors(0),
|
|
numCopyOrMoveConstructors(0),
|
|
definedType(nullptr),
|
|
functionOf(nullptr),
|
|
function(nullptr)
|
|
{
|
|
const Token *nameTok = classDef;
|
|
if (!classDef) {
|
|
type = Scope::eGlobal;
|
|
} else if (classDef->str() == "class") {
|
|
type = Scope::eClass;
|
|
nameTok = nameTok->next();
|
|
} else if (classDef->str() == "struct") {
|
|
type = Scope::eStruct;
|
|
nameTok = nameTok->next();
|
|
} else if (classDef->str() == "union") {
|
|
type = Scope::eUnion;
|
|
nameTok = nameTok->next();
|
|
} else if (classDef->str() == "namespace") {
|
|
type = Scope::eNamespace;
|
|
nameTok = nameTok->next();
|
|
} else {
|
|
type = Scope::eFunction;
|
|
}
|
|
// skip over qualification if present
|
|
if (nameTok && nameTok->str() == "::")
|
|
nameTok = nameTok->next();
|
|
while (nameTok && Token::Match(nameTok, "%type% ::"))
|
|
nameTok = nameTok->tokAt(2);
|
|
if (nameTok && nameTok->str() != "{") // anonymous and unnamed structs/unions don't have a name
|
|
className = nameTok->str();
|
|
}
|
|
|
|
bool Scope::hasDefaultConstructor() const
|
|
{
|
|
if (numConstructors) {
|
|
std::list<Function>::const_iterator func;
|
|
|
|
for (func = functionList.begin(); func != functionList.end(); ++func) {
|
|
if (func->type == Function::eConstructor && func->argCount() == 0)
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
AccessControl Scope::defaultAccess() const
|
|
{
|
|
switch (type) {
|
|
case eGlobal:
|
|
return Global;
|
|
case eClass:
|
|
return Private;
|
|
case eStruct:
|
|
return Public;
|
|
case eUnion:
|
|
return Public;
|
|
case eNamespace:
|
|
return Namespace;
|
|
default:
|
|
return Local;
|
|
}
|
|
}
|
|
|
|
// Get variable list..
|
|
void Scope::getVariableList()
|
|
{
|
|
const Token *start;
|
|
|
|
if (classStart)
|
|
start = classStart->next();
|
|
|
|
// global scope
|
|
else if (className.empty())
|
|
start = check->_tokenizer->tokens();
|
|
|
|
// forward declaration
|
|
else
|
|
return;
|
|
|
|
AccessControl varaccess = defaultAccess();
|
|
unsigned int level = 1;
|
|
for (const Token *tok = start; tok; tok = tok->next()) {
|
|
// end of scope?
|
|
if (tok->str() == "}") {
|
|
level--;
|
|
if (level == 0)
|
|
break;
|
|
}
|
|
|
|
// syntax error?
|
|
else if (tok->next() == nullptr)
|
|
break;
|
|
|
|
// Is it a function?
|
|
else if (tok->str() == "{") {
|
|
tok = tok->link();
|
|
continue;
|
|
}
|
|
|
|
// Is it a nested class or structure?
|
|
else if (Token::Match(tok, "class|struct|union|namespace %type% :|{")) {
|
|
tok = tok->tokAt(2);
|
|
while (tok && tok->str() != "{")
|
|
tok = tok->next();
|
|
if (tok) {
|
|
// skip implementation
|
|
tok = tok->link();
|
|
continue;
|
|
} else
|
|
break;
|
|
} else if (Token::Match(tok, "struct|union {")) {
|
|
if (Token::Match(tok->next()->link(), "} %var% ;|[")) {
|
|
tok = tok->next()->link()->tokAt(2);
|
|
continue;
|
|
} else if (Token::simpleMatch(tok->next()->link(), "} ;")) {
|
|
level++;
|
|
tok = tok->next();
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// Borland C++: Skip all variables in the __published section.
|
|
// These are automatically initialized.
|
|
else if (tok->str() == "__published:") {
|
|
for (; tok; tok = tok->next()) {
|
|
if (tok->str() == "{")
|
|
tok = tok->link();
|
|
if (Token::Match(tok->next(), "private:|protected:|public:"))
|
|
break;
|
|
}
|
|
if (tok)
|
|
continue;
|
|
else
|
|
break;
|
|
}
|
|
|
|
// "private:" "public:" "protected:" etc
|
|
else if (tok->str() == "public:") {
|
|
varaccess = Public;
|
|
continue;
|
|
} else if (tok->str() == "protected:") {
|
|
varaccess = Protected;
|
|
continue;
|
|
} else if (tok->str() == "private:") {
|
|
varaccess = Private;
|
|
continue;
|
|
}
|
|
|
|
// Is it a forward declaration?
|
|
else if (Token::Match(tok, "class|struct|union %var% ;")) {
|
|
tok = tok->tokAt(2);
|
|
continue;
|
|
}
|
|
|
|
// Borland C++: Ignore properties..
|
|
else if (tok->str() == "__property")
|
|
continue;
|
|
|
|
// skip return and delete
|
|
else if (Token::Match(tok, "return|delete")) {
|
|
while (tok->next() &&
|
|
tok->next()->str() != ";" &&
|
|
tok->next()->str() != "}" /* ticket #4994 */) {
|
|
tok = tok->next();
|
|
}
|
|
continue;
|
|
}
|
|
|
|
// Search for start of statement..
|
|
else if (tok->previous() && !Token::Match(tok->previous(), ";|{|}|public:|protected:|private:"))
|
|
continue;
|
|
else if (Token::Match(tok, ";|{|}"))
|
|
continue;
|
|
else if (Token::Match(tok, "goto %var% ;")) {
|
|
tok = tok->tokAt(2);
|
|
continue;
|
|
}
|
|
|
|
tok = checkVariable(tok, varaccess);
|
|
|
|
if (!tok)
|
|
break;
|
|
}
|
|
}
|
|
|
|
const Token *Scope::checkVariable(const Token *tok, AccessControl varaccess)
|
|
{
|
|
// Is it a throw..?
|
|
if (Token::Match(tok, "throw %any% (") &&
|
|
Token::simpleMatch(tok->linkAt(2), ") ;")) {
|
|
return tok->linkAt(2);
|
|
} else if ((Token::Match(tok, "throw %any% :: %any% (") &&
|
|
Token::simpleMatch(tok->linkAt(4), ") ;"))) {
|
|
return tok->linkAt(4);
|
|
}
|
|
|
|
// friend?
|
|
if (Token::Match(tok, "friend %type%") && tok->next()->varId() == 0) {
|
|
const Token *next = Token::findmatch(tok->tokAt(2), ";|{");
|
|
if (next && next->str() == "{")
|
|
next = next->link();
|
|
return next;
|
|
}
|
|
|
|
// skip const|static|mutable|extern
|
|
while (Token::Match(tok, "const|static|mutable|extern")) {
|
|
tok = tok->next();
|
|
}
|
|
|
|
// the start of the type tokens does not include the above modifiers
|
|
const Token *typestart = tok;
|
|
|
|
if (Token::Match(tok, "struct|union")) {
|
|
tok = tok->next();
|
|
}
|
|
|
|
// This is the start of a statement
|
|
const Token *vartok = nullptr;
|
|
const Token *typetok = nullptr;
|
|
|
|
if (tok && isVariableDeclaration(tok, vartok, typetok)) {
|
|
// If the vartok was set in the if-blocks above, create a entry for this variable..
|
|
tok = vartok->next();
|
|
while (Token::Match(tok, "[|{"))
|
|
tok = tok->link()->next();
|
|
|
|
if (vartok->varId() == 0) {
|
|
if (!vartok->isBoolean())
|
|
check->debugMessage(vartok, "Scope::checkVariable found variable \'" + vartok->str() + "\' with varid 0.");
|
|
return tok;
|
|
}
|
|
|
|
const Type *vType = nullptr;
|
|
|
|
if (typetok) {
|
|
vType = check->findVariableType(this, typetok);
|
|
if (!vType) {
|
|
// look for variable type in any using namespace in this scope or above
|
|
const Scope *parent = this;
|
|
while (parent) {
|
|
for (std::list<Scope::UsingInfo>::const_iterator ui = parent->usingList.begin();
|
|
ui != parent->usingList.end(); ++ui) {
|
|
if (ui->scope) {
|
|
vType = check->findVariableType(ui->scope, typetok);
|
|
if (vType)
|
|
break;
|
|
}
|
|
}
|
|
parent = parent->nestedIn;
|
|
}
|
|
}
|
|
}
|
|
|
|
addVariable(vartok, typestart, vartok->previous(), varaccess, vType, this);
|
|
}
|
|
|
|
return tok;
|
|
}
|
|
|
|
const Variable *Scope::getVariable(const std::string &varname) const
|
|
{
|
|
std::list<Variable>::const_iterator iter;
|
|
|
|
for (iter = varlist.begin(); iter != varlist.end(); ++iter) {
|
|
if (iter->name() == varname)
|
|
return &*iter;
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
static const Token* skipScopeIdentifiers(const Token* tok)
|
|
{
|
|
if (tok && tok->str() == "::") {
|
|
tok = tok->next();
|
|
}
|
|
while (Token::Match(tok, "%type% ::")) {
|
|
tok = tok->tokAt(2);
|
|
}
|
|
|
|
return tok;
|
|
}
|
|
|
|
static const Token* skipPointers(const Token* tok)
|
|
{
|
|
while (Token::Match(tok, "*|&|&&") || (tok && tok->str() == "(" && Token::Match(tok->link()->next(), "(|["))) {
|
|
tok = tok->next();
|
|
if (tok->strAt(-1) == "(" && Token::Match(tok, "%type% ::"))
|
|
tok = tok->tokAt(2);
|
|
}
|
|
|
|
return tok;
|
|
}
|
|
|
|
bool Scope::isVariableDeclaration(const Token* tok, const Token*& vartok, const Token*& typetok) const
|
|
{
|
|
if (check && check->_tokenizer->isCPP() && Token::Match(tok, "throw|new"))
|
|
return false;
|
|
|
|
const Token* localTypeTok = skipScopeIdentifiers(tok);
|
|
const Token* localVarTok = nullptr;
|
|
|
|
if (Token::Match(localTypeTok, "%type% <")) {
|
|
if (Token::Match(tok, "const_cast|dynamic_cast|reinterpret_cast|static_cast <"))
|
|
return false;
|
|
|
|
const Token* closeTok = localTypeTok->next()->link();
|
|
if (closeTok) {
|
|
localVarTok = skipPointers(closeTok->next());
|
|
|
|
if (Token::Match(localVarTok, ":: %type% %var% [;=({]")) {
|
|
if (localVarTok->strAt(3) != "(" ||
|
|
Token::Match(localVarTok->linkAt(3), "[)}] ;")) {
|
|
localTypeTok = localVarTok->next();
|
|
localVarTok = localVarTok->tokAt(2);
|
|
}
|
|
}
|
|
}
|
|
} else if (Token::Match(localTypeTok, "%type%")) {
|
|
localVarTok = skipPointers(localTypeTok->strAt(1)=="const"?localTypeTok->tokAt(2):localTypeTok->next());
|
|
}
|
|
|
|
if (localVarTok && localVarTok->str() == "const")
|
|
localVarTok = localVarTok->next();
|
|
|
|
if (Token::Match(localVarTok, "%var% ;|=")) {
|
|
vartok = localVarTok;
|
|
typetok = localTypeTok;
|
|
} else if (Token::Match(localVarTok, "%var% )|[") && localVarTok->str() != "operator") {
|
|
vartok = localVarTok;
|
|
typetok = localTypeTok;
|
|
} else if (localVarTok && localVarTok->varId() && Token::Match(localVarTok, "%var% (|{") &&
|
|
Token::Match(localVarTok->next()->link(), ")|} ;")) {
|
|
vartok = localVarTok;
|
|
typetok = localTypeTok;
|
|
} else if (type == eCatch &&
|
|
Token::Match(localVarTok, "%var% )")) {
|
|
vartok = localVarTok;
|
|
typetok = localTypeTok;
|
|
}
|
|
|
|
return nullptr != vartok;
|
|
}
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------------
|
|
|
|
const Type* SymbolDatabase::findVariableType(const Scope *start, const Token *typeTok) const
|
|
{
|
|
std::list<Type>::const_iterator type;
|
|
|
|
for (type = typeList.begin(); type != typeList.end(); ++type) {
|
|
// do the names match?
|
|
if (type->name() == typeTok->str()) {
|
|
// check if type does not have a namespace
|
|
if (typeTok->strAt(-1) != "::") {
|
|
const Scope *parent = start;
|
|
|
|
// check if in same namespace
|
|
while (parent) {
|
|
// out of line class function belongs to class
|
|
if (parent->type == Scope::eFunction && parent->functionOf)
|
|
parent = parent->functionOf;
|
|
else if (parent != type->enclosingScope)
|
|
parent = parent->nestedIn;
|
|
else
|
|
break;
|
|
}
|
|
|
|
if (type->enclosingScope == parent)
|
|
return &(*type);
|
|
}
|
|
|
|
// type has a namespace
|
|
else {
|
|
// FIXME check if namespace path matches supplied path
|
|
return &(*type);
|
|
}
|
|
}
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
|
|
/** @todo This function only counts the number of arguments in the function call.
|
|
It does not take into account function constantness.
|
|
It does not take into account argument types. This can be difficult because of promotion and conversion operators and casts and because the argument can also be a function call.
|
|
*/
|
|
const Function* Scope::findFunction(const Token *tok) const
|
|
{
|
|
std::list<Function>::const_iterator it;
|
|
|
|
// this is a function call so try to find it based on name and arguments
|
|
// if more than 1 function matches (it is overloaded) and we dont see which function is called, return 0
|
|
const Function *foundfunction = nullptr;
|
|
for (it = functionList.begin(); it != functionList.end(); ++it) {
|
|
if (it->tokenDef->str() == tok->str()) {
|
|
const Function *func = &*it;
|
|
if ((tok->strAt(1) == "(" || (func->name() == tok->str() && tok->strAt(1) == "{" && func->type == Function::eConstructor)) && tok->tokAt(2)) {
|
|
std::string end(tok->strAt(1) == "{" ? "}" : ")");
|
|
// check the arguments
|
|
unsigned int args = 0;
|
|
const Token *arg = tok->tokAt(2);
|
|
while (arg && arg->str() != end) {
|
|
/** @todo check argument type for match */
|
|
|
|
// mismatch parameter: passing parameter by address to function, argument is reference
|
|
if (arg->str() == "&") {
|
|
// check that function argument type is not mismatching
|
|
const Variable *funcarg = func->getArgumentVar(args);
|
|
if (funcarg && funcarg->isReference()) {
|
|
args = ~0U;
|
|
break;
|
|
}
|
|
}
|
|
|
|
args++;
|
|
arg = arg->nextArgument();
|
|
}
|
|
|
|
// check for argument count match or default arguments
|
|
if (args == func->argCount() ||
|
|
(args < func->argCount() && args >= func->minArgCount())) {
|
|
if (foundfunction == nullptr)
|
|
foundfunction = func;
|
|
else {
|
|
// Two or more functions match, don't guess which one is right
|
|
return nullptr;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (foundfunction)
|
|
return foundfunction;
|
|
|
|
// check in base classes
|
|
if (isClassOrStruct() && definedType && !definedType->derivedFrom.empty()) {
|
|
for (std::size_t i = 0; i < definedType->derivedFrom.size(); ++i) {
|
|
const Type *base = definedType->derivedFrom[i].type;
|
|
if (base && base->classScope) {
|
|
if (base->classScope == this) // Ticket #5120, #5125: Recursive class; tok should have been found already
|
|
continue;
|
|
const Function * func = base->classScope->findFunction(tok);
|
|
if (func)
|
|
return func;
|
|
}
|
|
}
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
|
|
const Function* SymbolDatabase::findFunction(const Token *tok) const
|
|
{
|
|
// find the scope this function is in
|
|
const Scope *currScope = tok->scope();
|
|
while (currScope && currScope->isExecutable()) {
|
|
if (currScope->functionOf)
|
|
currScope = currScope->functionOf;
|
|
else
|
|
currScope = currScope->nestedIn;
|
|
}
|
|
|
|
// check for a qualified name and use it when given
|
|
if (tok->strAt(-1) == "::") {
|
|
// find start of qualified function name
|
|
const Token *tok1 = tok;
|
|
|
|
while (Token::Match(tok1->tokAt(-2), "%type% ::"))
|
|
tok1 = tok1->tokAt(-2);
|
|
|
|
// check for global scope
|
|
if (tok1->strAt(-1) == "::") {
|
|
currScope = &scopeList.front();
|
|
|
|
currScope = currScope->findRecordInNestedList(tok1->str());
|
|
}
|
|
|
|
// find start of qualification
|
|
else {
|
|
while (currScope) {
|
|
if (currScope->className == tok1->str())
|
|
break;
|
|
else {
|
|
const Scope *scope = currScope->findRecordInNestedList(tok1->str());
|
|
|
|
if (scope) {
|
|
currScope = scope;
|
|
break;
|
|
} else
|
|
currScope = currScope->nestedIn;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (currScope) {
|
|
while (currScope && !Token::Match(tok1, "%type% :: %any% (")) {
|
|
currScope = currScope->findRecordInNestedList(tok1->strAt(2));
|
|
tok1 = tok1->tokAt(2);
|
|
}
|
|
|
|
tok1 = tok1->tokAt(2);
|
|
|
|
if (currScope && tok1)
|
|
return currScope->findFunction(tok1);
|
|
}
|
|
}
|
|
|
|
// check for member function
|
|
else if (Token::Match(tok->tokAt(-2), "!!this .")) {
|
|
if (Token::Match(tok->tokAt(-2), "%var% .")) {
|
|
const Token *tok1 = tok->tokAt(-2);
|
|
|
|
if (tok1->varId()) {
|
|
const Variable *var = getVariableFromVarId(tok1->varId());
|
|
if (var && var->typeScope())
|
|
return var->typeScope()->findFunction(tok);
|
|
}
|
|
}
|
|
}
|
|
|
|
// check in enclosing scopes
|
|
else {
|
|
while (currScope) {
|
|
const Function *func = currScope->findFunction(tok);
|
|
if (func)
|
|
return func;
|
|
currScope = currScope->nestedIn;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
|
|
const Scope *SymbolDatabase::findScopeByName(const std::string& name) const
|
|
{
|
|
for (std::list<Scope>::const_iterator it = scopeList.begin(); it != scopeList.end(); ++it) {
|
|
if (it->className == name)
|
|
return &*it;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
|
|
Scope *Scope::findInNestedList(const std::string & name)
|
|
{
|
|
std::list<Scope *>::iterator it;
|
|
|
|
for (it = nestedList.begin(); it != nestedList.end(); ++it) {
|
|
if ((*it)->className == name)
|
|
return (*it);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
|
|
const Scope *Scope::findRecordInNestedList(const std::string & name) const
|
|
{
|
|
std::list<Scope *>::const_iterator it;
|
|
|
|
for (it = nestedList.begin(); it != nestedList.end(); ++it) {
|
|
if ((*it)->className == name && (*it)->type != eFunction)
|
|
return (*it);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
|
|
const Type* Scope::findType(const std::string & name) const
|
|
{
|
|
std::list<Type*>::const_iterator it;
|
|
|
|
for (it = definedTypes.begin(); it != definedTypes.end(); ++it) {
|
|
if ((*it)->name() == name)
|
|
return (*it);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
|
|
Scope *Scope::findInNestedListRecursive(const std::string & name)
|
|
{
|
|
std::list<Scope *>::iterator it;
|
|
|
|
for (it = nestedList.begin(); it != nestedList.end(); ++it) {
|
|
if ((*it)->className == name)
|
|
return (*it);
|
|
}
|
|
|
|
for (it = nestedList.begin(); it != nestedList.end(); ++it) {
|
|
Scope *child = (*it)->findInNestedListRecursive(name);
|
|
if (child)
|
|
return child;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
|
|
const Function *Scope::getDestructor() const
|
|
{
|
|
std::list<Function>::const_iterator it;
|
|
for (it = functionList.begin(); it != functionList.end(); ++it) {
|
|
if (it->type == Function::eDestructor)
|
|
return &(*it);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
|
|
unsigned int Scope::getNestedNonFunctions() const
|
|
{
|
|
unsigned int nested = 0;
|
|
std::list<Scope *>::const_iterator ni;
|
|
for (ni = nestedList.begin(); ni != nestedList.end(); ++ni) {
|
|
if ((*ni)->type != Scope::eFunction)
|
|
nested++;
|
|
}
|
|
return nested;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
|
|
bool SymbolDatabase::isCPP() const
|
|
{
|
|
return _tokenizer->isCPP();
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
|
|
const Scope *SymbolDatabase::findScope(const Token *tok, const Scope *startScope) const
|
|
{
|
|
const Scope *scope = nullptr;
|
|
// absolute path
|
|
if (tok->str() == "::") {
|
|
tok = tok->next();
|
|
scope = &scopeList.front();
|
|
}
|
|
// relative path
|
|
else if (tok->isName()) {
|
|
scope = startScope;
|
|
}
|
|
|
|
while (scope && tok && tok->isName()) {
|
|
if (tok->strAt(1) == "::") {
|
|
scope = scope->findRecordInNestedList(tok->str());
|
|
tok = tok->tokAt(2);
|
|
} else
|
|
return scope->findRecordInNestedList(tok->str());
|
|
}
|
|
|
|
// not a valid path
|
|
return 0;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
|
|
const Type* SymbolDatabase::findType(const Token *startTok, const Scope *startScope) const
|
|
{
|
|
// skip over struct or union
|
|
if (Token::Match(startTok, "struct|union"))
|
|
startTok = startTok->next();
|
|
|
|
// type same as scope
|
|
if (startTok->str() == startScope->className && startScope->isClassOrStruct())
|
|
return startScope->definedType;
|
|
|
|
// absolute path - directly start in global scope
|
|
if (startTok->str() == "::") {
|
|
startTok = startTok->next();
|
|
startScope = &scopeList.front();
|
|
}
|
|
|
|
const Token* tok = startTok;
|
|
const Scope* scope = startScope;
|
|
|
|
while (scope && tok && tok->isName()) {
|
|
if (tok->strAt(1) == "::") {
|
|
scope = scope->findRecordInNestedList(tok->str());
|
|
if (scope) {
|
|
tok = tok->tokAt(2);
|
|
} else {
|
|
startScope = startScope->nestedIn;
|
|
if (!startScope)
|
|
break;
|
|
scope = startScope;
|
|
tok = startTok;
|
|
}
|
|
} else
|
|
return scope->findType(tok->str());
|
|
}
|
|
|
|
// not a valid path
|
|
return 0;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
|
|
const Type* SymbolDatabase::findTypeInNested(const Token *startTok, const Scope *startScope) const
|
|
{
|
|
// skip over struct or union
|
|
if (Token::Match(startTok, "struct|union"))
|
|
startTok = startTok->next();
|
|
|
|
// type same as scope
|
|
if (startTok->str() == startScope->className && startScope->isClassOrStruct())
|
|
return startScope->definedType;
|
|
|
|
bool hasPath = false;
|
|
|
|
// absolute path - directly start in global scope
|
|
if (startTok->str() == "::") {
|
|
hasPath = true;
|
|
startTok = startTok->next();
|
|
startScope = &scopeList.front();
|
|
}
|
|
|
|
const Token* tok = startTok;
|
|
const Scope* scope = startScope;
|
|
|
|
while (scope && tok && tok->isName()) {
|
|
if (tok->strAt(1) == "::") {
|
|
hasPath = true;
|
|
scope = scope->findRecordInNestedList(tok->str());
|
|
if (scope) {
|
|
tok = tok->tokAt(2);
|
|
} else {
|
|
startScope = startScope->nestedIn;
|
|
if (!startScope)
|
|
break;
|
|
scope = startScope;
|
|
tok = startTok;
|
|
}
|
|
} else {
|
|
const Type * type = scope->findType(tok->str());
|
|
if (hasPath || type)
|
|
return type;
|
|
else {
|
|
scope = scope->nestedIn;
|
|
if (!scope)
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// not a valid path
|
|
return 0;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
|
|
const Scope * SymbolDatabase::findNamespace(const Token * tok, const Scope * scope) const
|
|
{
|
|
const Scope * s = findScope(tok, scope);
|
|
|
|
if (s)
|
|
return s;
|
|
else if (scope->nestedIn)
|
|
return findNamespace(tok, scope->nestedIn);
|
|
|
|
return 0;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
|
|
Function * SymbolDatabase::findFunctionInScope(const Token *func, const Scope *ns)
|
|
{
|
|
const Function * function = nullptr;
|
|
|
|
std::list<Function>::const_iterator it;
|
|
|
|
for (it = ns->functionList.begin(); it != ns->functionList.end(); ++it) {
|
|
if (it->name() == func->str()) {
|
|
if (Function::argsMatch(ns, func->tokAt(2), it->argDef->next(), "", 0)) {
|
|
function = &*it;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!function) {
|
|
const Scope * scope = ns->findRecordInNestedList(func->str());
|
|
if (scope && func->strAt(1) == "::") {
|
|
function = findFunctionInScope(func->tokAt(2), scope);
|
|
}
|
|
}
|
|
|
|
return const_cast<Function *>(function);
|
|
}
|