cppcheck/test/testsymboldatabase.cpp

1290 lines
49 KiB
C++

/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2012 Daniel Marjamäki and Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "testsuite.h"
#include "testutils.h"
#include "symboldatabase.h"
#define GET_SYMBOL_DB(code) \
errout.str(""); \
Settings settings; \
Tokenizer tokenizer(&settings, this); \
std::istringstream istr(code); \
tokenizer.tokenize(istr, "test.cpp"); \
const SymbolDatabase *db = tokenizer.getSymbolDatabase();
#define GET_SYMBOL_DB_C(code) \
errout.str(""); \
Settings settings; \
Tokenizer tokenizer(&settings, this); \
std::istringstream istr(code); \
tokenizer.tokenize(istr, "test.c"); \
const SymbolDatabase *db = tokenizer.getSymbolDatabase();
class TestSymbolDatabase: public TestFixture {
public:
TestSymbolDatabase()
:TestFixture("TestSymbolDatabase")
,si(NULL, NULL, NULL)
,vartok(NULL)
,typetok(NULL)
,t(NULL)
,found(false)
{}
private:
const Scope si;
const Token* vartok;
const Token* typetok;
const Token* t;
bool found;
void reset() {
vartok = NULL;
typetok = NULL;
t = NULL;
found = false;
}
void run() {
TEST_CASE(test_isVariableDeclarationCanHandleNull);
TEST_CASE(test_isVariableDeclarationIdentifiesSimpleDeclaration);
TEST_CASE(test_isVariableDeclarationIdentifiesScopedDeclaration);
TEST_CASE(test_isVariableDeclarationIdentifiesStdDeclaration);
TEST_CASE(test_isVariableDeclarationIdentifiesScopedStdDeclaration);
TEST_CASE(test_isVariableDeclarationIdentifiesManyScopes);
TEST_CASE(test_isVariableDeclarationIdentifiesPointers);
TEST_CASE(test_isVariableDeclarationDoesNotIdentifyConstness);
TEST_CASE(test_isVariableDeclarationIdentifiesFirstOfManyVariables);
TEST_CASE(test_isVariableDeclarationIdentifiesScopedPointerDeclaration);
TEST_CASE(test_isVariableDeclarationIdentifiesDeclarationWithIndirection);
TEST_CASE(test_isVariableDeclarationIdentifiesDeclarationWithMultipleIndirection);
TEST_CASE(test_isVariableDeclarationIdentifiesArray);
TEST_CASE(test_isVariableDeclarationIdentifiesOfArrayPointers);
TEST_CASE(isVariableDeclarationIdentifiesTemplatedPointerVariable);
TEST_CASE(isVariableDeclarationIdentifiesTemplatedPointerToPointerVariable);
TEST_CASE(isVariableDeclarationIdentifiesTemplatedArrayVariable);
TEST_CASE(isVariableDeclarationIdentifiesTemplatedVariable);
TEST_CASE(isVariableDeclarationIdentifiesTemplatedVariableIterator);
TEST_CASE(isVariableDeclarationIdentifiesNestedTemplateVariable);
TEST_CASE(isVariableDeclarationIdentifiesReference);
TEST_CASE(isVariableDeclarationDoesNotIdentifyTemplateClass);
TEST_CASE(isVariableDeclarationPointerConst);
TEST_CASE(staticMemberVar);
TEST_CASE(hasRegularFunction);
TEST_CASE(hasInlineClassFunction);
TEST_CASE(hasMissingInlineClassFunction);
TEST_CASE(hasClassFunction);
TEST_CASE(hasRegularFunctionReturningFunctionPointer);
TEST_CASE(hasInlineClassFunctionReturningFunctionPointer);
TEST_CASE(hasMissingInlineClassFunctionReturningFunctionPointer);
TEST_CASE(hasClassFunctionReturningFunctionPointer);
TEST_CASE(functionDeclarations);
TEST_CASE(classWithFriend);
TEST_CASE(parseFunctionCorrect);
TEST_CASE(hasGlobalVariables1);
TEST_CASE(hasGlobalVariables2);
TEST_CASE(hasGlobalVariables3);
TEST_CASE(functionArgs1);
TEST_CASE(functionArgs2);
TEST_CASE(functionArgs3);
TEST_CASE(namespaces1);
TEST_CASE(namespaces2);
TEST_CASE(tryCatch1);
TEST_CASE(symboldatabase1);
TEST_CASE(symboldatabase2);
TEST_CASE(symboldatabase3); // ticket #2000
TEST_CASE(symboldatabase4);
TEST_CASE(symboldatabase5); // ticket #2178
TEST_CASE(symboldatabase6); // ticket #2221
TEST_CASE(symboldatabase7); // ticket #2230
TEST_CASE(symboldatabase8); // ticket #2252
TEST_CASE(symboldatabase9); // ticket #2525
TEST_CASE(symboldatabase10); // ticket #2537
TEST_CASE(symboldatabase11); // ticket #2539
TEST_CASE(symboldatabase12); // ticket #2547
TEST_CASE(symboldatabase13); // ticket #2577
TEST_CASE(symboldatabase14); // ticket #2589
TEST_CASE(symboldatabase15); // ticket #2591
TEST_CASE(symboldatabase16); // ticket #2637
TEST_CASE(symboldatabase17); // ticket #2657
TEST_CASE(symboldatabase18); // ticket #2865
TEST_CASE(symboldatabase19); // ticket #2991 (segmentation fault)
TEST_CASE(symboldatabase20); // ticket #3013 (segmentation fault)
TEST_CASE(symboldatabase21);
TEST_CASE(symboldatabase22); // ticket #3437 (segmentation fault)
TEST_CASE(symboldatabase23); // ticket #3435
TEST_CASE(symboldatabase24); // ticket #3508 (constructor, destructor)
TEST_CASE(symboldatabase25); // ticket #3561 (throw C++)
TEST_CASE(symboldatabase26); // ticket #3561 (throw C)
TEST_CASE(symboldatabase27); // ticket #3543 (segmentation fault)
TEST_CASE(symboldatabase28);
TEST_CASE(isImplicitlyVirtual);
}
void test_isVariableDeclarationCanHandleNull() {
reset();
bool result = si.isVariableDeclaration(NULL, vartok, typetok);
ASSERT_EQUALS(false, result);
ASSERT(NULL == vartok);
ASSERT(NULL == typetok);
Variable v(NULL, NULL, NULL, 0, Public, 0, 0);
}
void test_isVariableDeclarationIdentifiesSimpleDeclaration() {
reset();
givenACodeSampleToTokenize simpleDeclaration("int x;");
bool result = si.isVariableDeclaration(simpleDeclaration.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("x", vartok->str());
ASSERT_EQUALS("int", typetok->str());
Variable v(vartok, typetok, vartok->previous(), 0, Public, 0, 0);
ASSERT(false == v.isArray());
ASSERT(false == v.isPointer());
ASSERT(false == v.isReference());
}
void test_isVariableDeclarationIdentifiesScopedDeclaration() {
reset();
givenACodeSampleToTokenize ScopedDeclaration("::int x;");
bool result = si.isVariableDeclaration(ScopedDeclaration.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("x", vartok->str());
ASSERT_EQUALS("int", typetok->str());
Variable v(vartok, typetok, vartok->previous(), 0, Public, 0, 0);
ASSERT(false == v.isArray());
ASSERT(false == v.isPointer());
ASSERT(false == v.isReference());
}
void test_isVariableDeclarationIdentifiesStdDeclaration() {
reset();
givenACodeSampleToTokenize StdDeclaration("std::string x;");
bool result = si.isVariableDeclaration(StdDeclaration.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("x", vartok->str());
ASSERT_EQUALS("string", typetok->str());
Variable v(vartok, typetok, vartok->previous(), 0, Public, 0, 0);
ASSERT(false == v.isArray());
ASSERT(false == v.isPointer());
ASSERT(false == v.isReference());
}
void test_isVariableDeclarationIdentifiesScopedStdDeclaration() {
reset();
givenACodeSampleToTokenize StdDeclaration("::std::string x;");
bool result = si.isVariableDeclaration(StdDeclaration.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("x", vartok->str());
ASSERT_EQUALS("string", typetok->str());
Variable v(vartok, typetok, vartok->previous(), 0, Public, 0, 0);
ASSERT(false == v.isArray());
ASSERT(false == v.isPointer());
ASSERT(false == v.isReference());
}
void test_isVariableDeclarationIdentifiesManyScopes() {
reset();
givenACodeSampleToTokenize manyScopes("AA::BB::CC::DD::EE x;");
bool result = si.isVariableDeclaration(manyScopes.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("x", vartok->str());
ASSERT_EQUALS("EE", typetok->str());
Variable v(vartok, typetok, vartok->previous(), 0, Public, 0, 0);
ASSERT(false == v.isArray());
ASSERT(false == v.isPointer());
ASSERT(false == v.isReference());
}
void test_isVariableDeclarationIdentifiesPointers() {
reset();
givenACodeSampleToTokenize pointer("int* p;");
bool result1 = si.isVariableDeclaration(pointer.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result1);
ASSERT_EQUALS("p", vartok->str());
ASSERT_EQUALS("int", typetok->str());
Variable v1(vartok, typetok, vartok->previous(), 0, Public, 0, 0);
ASSERT(false == v1.isArray());
ASSERT(true == v1.isPointer());
ASSERT(false == v1.isReference());
reset();
givenACodeSampleToTokenize constpointer("const int* p;");
Variable v2(constpointer.tokens()->tokAt(3), constpointer.tokens()->next(), constpointer.tokens()->tokAt(2), 0, Public, 0, 0);
ASSERT(false == v2.isArray());
ASSERT(true == v2.isPointer());
ASSERT(false == v2.isConst());
ASSERT(false == v2.isReference());
reset();
givenACodeSampleToTokenize pointerconst("int* const p;");
bool result2 = si.isVariableDeclaration(pointerconst.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result2);
ASSERT_EQUALS("p", vartok->str());
ASSERT_EQUALS("int", typetok->str());
Variable v3(vartok, typetok, vartok->previous(), 0, Public, 0, 0);
ASSERT(false == v3.isArray());
ASSERT(true == v3.isPointer());
ASSERT(true == v3.isConst());
ASSERT(false == v3.isReference());
}
void test_isVariableDeclarationDoesNotIdentifyConstness() {
reset();
givenACodeSampleToTokenize constness("const int* cp;");
bool result = si.isVariableDeclaration(constness.tokens(), vartok, typetok);
ASSERT_EQUALS(false, result);
ASSERT(NULL == vartok);
ASSERT(NULL == typetok);
}
void test_isVariableDeclarationIdentifiesFirstOfManyVariables() {
reset();
givenACodeSampleToTokenize multipleDeclaration("int first, second;");
bool result = si.isVariableDeclaration(multipleDeclaration.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("first", vartok->str());
ASSERT_EQUALS("int", typetok->str());
Variable v(vartok, typetok, vartok->previous(), 0, Public, 0, 0);
ASSERT(false == v.isArray());
ASSERT(false == v.isPointer());
ASSERT(false == v.isReference());
}
void test_isVariableDeclarationIdentifiesScopedPointerDeclaration() {
reset();
givenACodeSampleToTokenize manyScopes("AA::BB::CC::DD::EE* p;");
bool result = si.isVariableDeclaration(manyScopes.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("p", vartok->str());
ASSERT_EQUALS("EE", typetok->str());
Variable v(vartok, typetok, vartok->previous(), 0, Public, 0, 0);
ASSERT(false == v.isArray());
ASSERT(true == v.isPointer());
ASSERT(false == v.isReference());
}
void test_isVariableDeclarationIdentifiesDeclarationWithIndirection() {
reset();
givenACodeSampleToTokenize pointerToPointer("int** pp;");
bool result = si.isVariableDeclaration(pointerToPointer.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("pp", vartok->str());
ASSERT_EQUALS("int", typetok->str());
Variable v(vartok, typetok, vartok->previous(), 0, Public, 0, 0);
ASSERT(false == v.isArray());
ASSERT(true == v.isPointer());
ASSERT(false == v.isReference());
}
void test_isVariableDeclarationIdentifiesDeclarationWithMultipleIndirection() {
reset();
givenACodeSampleToTokenize pointerToPointer("int***** p;");
bool result = si.isVariableDeclaration(pointerToPointer.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("p", vartok->str());
ASSERT_EQUALS("int", typetok->str());
Variable v(vartok, typetok, vartok->previous(), 0, Public, 0, 0);
ASSERT(false == v.isArray());
ASSERT(true == v.isPointer());
ASSERT(false == v.isReference());
}
void test_isVariableDeclarationIdentifiesArray() {
reset();
givenACodeSampleToTokenize array("::std::string v[3];");
bool result = si.isVariableDeclaration(array.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("v", vartok->str());
ASSERT_EQUALS("string", typetok->str());
Variable v(vartok, typetok, vartok->previous(), 0, Public, 0, 0);
ASSERT(true == v.isArray());
ASSERT(false == v.isPointer());
ASSERT(false == v.isReference());
}
void test_isVariableDeclarationIdentifiesOfArrayPointers() {
reset();
givenACodeSampleToTokenize array("A *a[5];");
bool result = si.isVariableDeclaration(array.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("a", vartok->str());
ASSERT_EQUALS("A", typetok->str());
Variable v(vartok, typetok, vartok->previous(), 0, Public, 0, 0);
ASSERT(true == v.isArray());
ASSERT(true == v.isPointer());
ASSERT(false == v.isReference());
}
void isVariableDeclarationIdentifiesTemplatedPointerVariable() {
reset();
givenACodeSampleToTokenize var("std::set<char>* chars;");
bool result = si.isVariableDeclaration(var.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("chars", vartok->str());
ASSERT_EQUALS("set", typetok->str());
Variable v(vartok, typetok, vartok->previous(), 0, Public, 0, 0);
ASSERT(false == v.isArray());
ASSERT(true == v.isPointer());
ASSERT(false == v.isReference());
}
void isVariableDeclarationIdentifiesTemplatedPointerToPointerVariable() {
reset();
givenACodeSampleToTokenize var("std::deque<int>*** ints;");
bool result = si.isVariableDeclaration(var.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("ints", vartok->str());
ASSERT_EQUALS("deque", typetok->str());
Variable v(vartok, typetok, vartok->previous(), 0, Public, 0, 0);
ASSERT(false == v.isArray());
ASSERT(true == v.isPointer());
ASSERT(false == v.isReference());
}
void isVariableDeclarationIdentifiesTemplatedArrayVariable() {
reset();
givenACodeSampleToTokenize var("std::deque<int> ints[3];");
bool result = si.isVariableDeclaration(var.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("ints", vartok->str());
ASSERT_EQUALS("deque", typetok->str());
Variable v(vartok, typetok, vartok->previous(), 0, Public, 0, 0);
ASSERT(true == v.isArray());
ASSERT(false == v.isPointer());
ASSERT(false == v.isReference());
}
void isVariableDeclarationIdentifiesTemplatedVariable() {
reset();
givenACodeSampleToTokenize var("std::vector<int> ints;");
bool result = si.isVariableDeclaration(var.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("ints", vartok->str());
ASSERT_EQUALS("vector", typetok->str());
Variable v(vartok, typetok, vartok->previous(), 0, Public, 0, 0);
ASSERT(false == v.isArray());
ASSERT(false == v.isPointer());
ASSERT(false == v.isReference());
}
void isVariableDeclarationIdentifiesTemplatedVariableIterator() {
reset();
givenACodeSampleToTokenize var("std::list<int>::const_iterator floats;");
bool result = si.isVariableDeclaration(var.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("floats", vartok->str());
ASSERT_EQUALS("const_iterator", typetok->str());
Variable v(vartok, typetok, vartok->previous(), 0, Public, 0, 0);
ASSERT(false == v.isArray());
ASSERT(false == v.isPointer());
ASSERT(false == v.isReference());
}
void isVariableDeclarationIdentifiesNestedTemplateVariable() {
reset();
givenACodeSampleToTokenize var("std::deque<std::set<int> > intsets;");
bool result = si.isVariableDeclaration(var.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("intsets", vartok->str());
ASSERT_EQUALS("deque", typetok->str());
Variable v(vartok, typetok, vartok->previous(), 0, Public, 0, 0);
ASSERT(false == v.isArray());
ASSERT(false == v.isPointer());
ASSERT(false == v.isReference());
}
void isVariableDeclarationIdentifiesReference() {
reset();
givenACodeSampleToTokenize var1("int& foo;");
bool result1 = si.isVariableDeclaration(var1.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result1);
Variable v1(vartok, typetok, vartok->previous(), 0, Public, 0, 0);
ASSERT(false == v1.isArray());
ASSERT(false == v1.isPointer());
ASSERT(true == v1.isReference());
reset();
givenACodeSampleToTokenize var2("foo*& bar;");
bool result2 = si.isVariableDeclaration(var2.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result2);
Variable v2(vartok, typetok, vartok->previous(), 0, Public, 0, 0);
ASSERT(false == v2.isArray());
ASSERT(true == v2.isPointer());
ASSERT(true == v2.isReference());
reset();
givenACodeSampleToTokenize var3("std::vector<int>& foo;");
bool result3 = si.isVariableDeclaration(var3.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result3);
Variable v3(vartok, typetok, vartok->previous(), 0, Public, 0, 0);
ASSERT(false == v3.isArray());
ASSERT(false == v3.isPointer());
ASSERT(true == v3.isReference());
}
void isVariableDeclarationDoesNotIdentifyTemplateClass() {
reset();
givenACodeSampleToTokenize var("template <class T> class SomeClass{};");
bool result = si.isVariableDeclaration(var.tokens(), vartok, typetok);
ASSERT_EQUALS(false, result);
}
void isVariableDeclarationPointerConst() {
reset();
givenACodeSampleToTokenize var("std::string const* s;");
bool result = si.isVariableDeclaration(var.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
Variable v(vartok, typetok, vartok->previous(), 0, Public, 0, 0);
ASSERT(false == v.isArray());
ASSERT(true == v.isPointer());
ASSERT(false == v.isReference());
}
void staticMemberVar() {
GET_SYMBOL_DB("class Foo {\n"
" static const double d;\n"
"};\n"
"const double Foo::d = 5.0;");
const Variable* v = db->getVariableFromVarId(1);
ASSERT(v && db->getVariableListSize() == 2);
ASSERT(v && v->isStatic() && v->isConst() && v->isPrivate());
}
void hasRegularFunction() {
GET_SYMBOL_DB("void func() { }\n")
// 2 scopes: Global and Function
ASSERT(db && db->scopeList.size() == 2 && tokenizer.getFunctionTokenByName("func"));
if (db) {
const Scope *scope = db->findFunctionScopeByToken(tokenizer.tokens()->next());
ASSERT(scope && scope->className == "func");
ASSERT(scope && scope->functionOf == 0);
const Function *function = db->findFunctionByToken(tokenizer.tokens()->next());
ASSERT(function && function->token->str() == "func");
ASSERT(function && function->token == tokenizer.tokens()->next());
ASSERT(function && function->hasBody);
ASSERT(function && function->functionScope == scope && scope->function == function);
}
}
void hasInlineClassFunction() {
GET_SYMBOL_DB("class Fred { void func() { } };\n")
// 3 scopes: Global, Class, and Function
ASSERT(db && db->scopeList.size() == 3 && tokenizer.getFunctionTokenByName("func"));
if (db) {
const Scope *scope = db->findFunctionScopeByToken(tokenizer.tokens()->tokAt(4));
ASSERT(scope && scope->className == "func");
ASSERT(scope && scope->functionOf && scope->functionOf == db->findScopeByName("Fred"));
const Function *function = db->findFunctionByToken(tokenizer.tokens()->tokAt(4));
ASSERT(function && function->token->str() == "func");
ASSERT(function && function->token == tokenizer.tokens()->tokAt(4));
ASSERT(function && function->hasBody && function->isInline);
ASSERT(function && function->functionScope == scope && scope->function == function);
}
}
void hasMissingInlineClassFunction() {
GET_SYMBOL_DB("class Fred { void func(); };\n")
// 2 scopes: Global and Class (no Function scope because there is no function implementation)
ASSERT(db && db->scopeList.size() == 2 && !tokenizer.getFunctionTokenByName("func"));
if (db) {
const Scope *scope = db->findFunctionScopeByToken(tokenizer.tokens()->tokAt(4));
ASSERT(scope == NULL);
const Function *function = db->findFunctionByToken(tokenizer.tokens()->tokAt(4));
ASSERT(function && function->token->str() == "func");
ASSERT(function && function->token == tokenizer.tokens()->tokAt(4));
ASSERT(function && !function->hasBody);
}
}
void hasClassFunction() {
GET_SYMBOL_DB("class Fred { void func(); }; Fred::func() { }\n")
// 3 scopes: Global, Class, and Function
ASSERT(db && db->scopeList.size() == 3 && tokenizer.getFunctionTokenByName("func"));
if (db) {
const Scope *scope = db->findFunctionScopeByToken(tokenizer.tokens()->tokAt(12));
ASSERT(scope && scope->className == "func");
ASSERT(scope && scope->functionOf && scope->functionOf == db->findScopeByName("Fred"));
const Function *function = db->findFunctionByToken(tokenizer.tokens()->tokAt(12));
ASSERT(function && function->token->str() == "func");
ASSERT(function && function->token == tokenizer.tokens()->tokAt(12));
ASSERT(function && function->hasBody && !function->isInline);
ASSERT(function && function->functionScope == scope && scope->function == function);
}
}
void hasRegularFunctionReturningFunctionPointer() {
GET_SYMBOL_DB("void (*func(int f))(char) { }\n")
// 2 scopes: Global and Function
ASSERT(db && db->scopeList.size() == 2 && tokenizer.getFunctionTokenByName("func"));
if (db) {
const Scope *scope = db->findFunctionScopeByToken(tokenizer.tokens()->tokAt(3));
ASSERT(scope && scope->className == "func");
const Function *function = db->findFunctionByToken(tokenizer.tokens()->tokAt(3));
ASSERT(function && function->token->str() == "func");
ASSERT(function && function->token == tokenizer.tokens()->tokAt(3));
ASSERT(function && function->hasBody && function->retFuncPtr);
}
}
void hasInlineClassFunctionReturningFunctionPointer() {
GET_SYMBOL_DB("class Fred { void (*func(int f))(char) { } };\n")
// 3 scopes: Global, Class, and Function
ASSERT(db && db->scopeList.size() == 3 && tokenizer.getFunctionTokenByName("func"));
if (db) {
const Scope *scope = db->findFunctionScopeByToken(tokenizer.tokens()->tokAt(6));
ASSERT(scope && scope->className == "func");
const Function *function = db->findFunctionByToken(tokenizer.tokens()->tokAt(6));
ASSERT(function && function->token->str() == "func");
ASSERT(function && function->token == tokenizer.tokens()->tokAt(6));
ASSERT(function && function->hasBody && function->isInline && function->retFuncPtr);
}
}
void hasMissingInlineClassFunctionReturningFunctionPointer() {
GET_SYMBOL_DB("class Fred { void (*func(int f))(char); };\n")
// 2 scopes: Global and Class (no Function scope because there is no function implementation)
ASSERT(db && db->scopeList.size() == 2 && !tokenizer.getFunctionTokenByName("func"));
if (db) {
const Scope *scope = db->findFunctionScopeByToken(tokenizer.tokens()->tokAt(6));
ASSERT(scope == NULL);
const Function *function = db->findFunctionByToken(tokenizer.tokens()->tokAt(6));
ASSERT(function && function->token->str() == "func");
ASSERT(function && function->token == tokenizer.tokens()->tokAt(6));
ASSERT(function && !function->hasBody && function->retFuncPtr);
}
}
void hasClassFunctionReturningFunctionPointer() {
GET_SYMBOL_DB("class Fred { void (*func(int f))(char); }; void (*Fred::func(int f))(char) { }\n")
// 3 scopes: Global, Class, and Function
ASSERT(db && db->scopeList.size() == 3 && tokenizer.getFunctionTokenByName("func"));
if (db) {
const Scope *scope = db->findFunctionScopeByToken(tokenizer.tokens()->tokAt(23));
ASSERT(scope && scope->className == "func");
const Function *function = db->findFunctionByToken(tokenizer.tokens()->tokAt(23));
ASSERT(function && function->token->str() == "func");
ASSERT(function && function->token == tokenizer.tokens()->tokAt(23));
ASSERT(function && function->hasBody && !function->isInline && function->retFuncPtr);
}
}
void functionDeclarations() {
GET_SYMBOL_DB("void foo();\nvoid foo();\nint foo(int i);\nvoid foo() {}")
// 3 scopes: Global, Class, and Function
ASSERT(db && db->scopeList.size() == 2 && tokenizer.getFunctionTokenByName("foo"));
if (db) {
const Scope *scope = &db->scopeList.front();
ASSERT(scope && scope->functionList.size() == 2);
const Function *foo = &scope->functionList.front();
const Function *foo_int = &scope->functionList.back();
ASSERT(foo && foo->token->str() == "foo");
ASSERT(foo && foo->hasBody);
ASSERT(foo && foo->token->strAt(2) == ")");
ASSERT(foo_int && !foo_int->token);
ASSERT(foo_int && foo_int->tokenDef->str() == "foo");
ASSERT(foo_int && !foo_int->hasBody);
ASSERT(foo_int && foo_int->tokenDef->strAt(2) == "int");
}
}
void classWithFriend() {
GET_SYMBOL_DB("class Foo {}; class Bar1 { friend class Foo; }; class Bar2 { friend Foo; };")
// 3 scopes: Global, 3 classes
ASSERT(db && db->scopeList.size() == 4);
if (db) {
const Scope* foo = db->findScopeByName("Foo");
ASSERT(foo != 0);
const Scope* bar1 = db->findScopeByName("Bar1");
ASSERT(bar1 != 0);
const Scope* bar2 = db->findScopeByName("Bar2");
ASSERT(bar2 != 0);
if (foo && bar1 && bar2) {
ASSERT(bar1->friendList.size() == 1 && bar1->friendList.front().name == "Foo" && bar1->friendList.front().scope == foo);
ASSERT(bar2->friendList.size() == 1 && bar2->friendList.front().name == "Foo" && bar2->friendList.front().scope == foo);
}
}
}
void parseFunctionCorrect() {
// ticket 3188 - "if" statement parsed as function
GET_SYMBOL_DB("void func(i) int i; { if (i == 1) return; }\n")
ASSERT(db != NULL);
// 3 scopes: Global, function, if
ASSERT_EQUALS(3, db->scopeList.size());
ASSERT(tokenizer.getFunctionTokenByName("func") != NULL);
ASSERT(tokenizer.getFunctionTokenByName("if") == NULL);
}
void hasGlobalVariables1() {
GET_SYMBOL_DB("int i;\n")
ASSERT(db && db->scopeList.size() == 1);
if (db && db->scopeList.size() == 1) {
std::list<Scope>::const_iterator it = db->scopeList.begin();
ASSERT(it->varlist.size() == 1);
if (it->varlist.size() == 1) {
std::list<Variable>::const_iterator var = it->varlist.begin();
ASSERT(var->name() == "i");
ASSERT(var->typeStartToken()->str() == "int");
}
}
}
void hasGlobalVariables2() {
GET_SYMBOL_DB("int array[2][2];\n")
ASSERT(db && db->scopeList.size() == 1);
if (db && db->scopeList.size() == 1) {
std::list<Scope>::const_iterator it = db->scopeList.begin();
ASSERT(it->varlist.size() == 1);
if (it->varlist.size() == 1) {
std::list<Variable>::const_iterator var = it->varlist.begin();
ASSERT(var->name() == "array");
ASSERT(var->typeStartToken()->str() == "int");
}
}
}
void hasGlobalVariables3() {
GET_SYMBOL_DB("int array[2][2] = { { 0, 0 }, { 0, 0 } };\n")
ASSERT(db && db->scopeList.size() == 1);
if (db && db->scopeList.size() == 1) {
std::list<Scope>::const_iterator it = db->scopeList.begin();
ASSERT(it->varlist.size() == 1);
if (it->varlist.size() == 1) {
std::list<Variable>::const_iterator var = it->varlist.begin();
ASSERT(var->name() == "array");
ASSERT(var->typeStartToken()->str() == "int");
}
}
}
void check(const char code[], bool debug = true) {
// Clear the error log
errout.str("");
// Check..
Settings settings;
settings.debugwarnings = debug;
// Tokenize..
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
tokenizer.simplifyTokenList();
// force symbol database creation
tokenizer.getSymbolDatabase();
}
void functionArgs1() {
{
GET_SYMBOL_DB("void f(std::vector<std::string>, const std::vector<int> & v) { }");
ASSERT_EQUALS(1+1, db->getVariableListSize());
const Variable* v = db->getVariableFromVarId(1);
ASSERT(v && v->isReference() && v->isConst() && v->isArgument());
const Scope* f = db->findScopeByName("f");
ASSERT(f && f->type == Scope::eFunction && f->function);
if (f && f->function)
ASSERT(f->function->argumentList.size() == 2 && f->function->argumentList.front().index() == 0 && f->function->argumentList.front().name() == "" && f->function->argumentList.back().index() == 1);
ASSERT_EQUALS("", errout.str());
}
{
GET_SYMBOL_DB("void g(std::map<std::string, std::vector<int> > m) { }");
ASSERT_EQUALS(1+1, db->getVariableListSize());
const Variable* m = db->getVariableFromVarId(1);
ASSERT(m && !m->isReference() && !m->isConst() && m->isArgument() && m->isClass());
const Scope* g = db->findScopeByName("g");
ASSERT(g && g->type == Scope::eFunction && g->function && g->function->argumentList.size() == 1 && g->function->argumentList.front().index() == 0);
ASSERT_EQUALS("", errout.str());
}
}
void functionArgs2() {
GET_SYMBOL_DB("void f(int a[][4]) { }");
const Variable *a = db->getVariableFromVarId(1);
ASSERT_EQUALS("a", a->nameToken()->str());
ASSERT_EQUALS(2UL, a->dimensions().size());
ASSERT_EQUALS(0UL, a->dimension(0));
ASSERT_EQUALS(4UL, a->dimension(1));
}
void functionArgs3() {
GET_SYMBOL_DB("void f(int i,) { }"); // Don't crash
const Variable *a = db->getVariableFromVarId(1);
ASSERT_EQUALS("i", a->nameToken()->str());
}
void namespaces1() {
GET_SYMBOL_DB("namespace fred {\n"
" namespace barney {\n"
" class X { X(int); };\n"
" }\n"
"}\n"
"namespace barney { X::X(int) { } }\n");
// Locate the scope for the class..
const Scope *scope = NULL;
for (std::list<Scope>::const_iterator it = db->scopeList.begin(); it != db->scopeList.end(); ++it) {
if (it->isClassOrStruct()) {
scope = &(*it);
break;
}
}
ASSERT(scope != 0);
if (!scope)
return;
ASSERT_EQUALS("X", scope->className);
// The class has a constructor but the implementation _is not_ seen
ASSERT_EQUALS(1U, scope->functionList.size());
const Function *function = &(scope->functionList.front());
ASSERT_EQUALS(false, function->hasBody);
}
// based on namespaces1 but here the namespaces match
void namespaces2() {
GET_SYMBOL_DB("namespace fred {\n"
" namespace barney {\n"
" class X { X(int); };\n"
" }\n"
"}\n"
"namespace fred {\n"
" namespace barney {\n"
" X::X(int) { }\n"
" }\n"
"}\n");
// Locate the scope for the class..
const Scope *scope = NULL;
for (std::list<Scope>::const_iterator it = db->scopeList.begin(); it != db->scopeList.end(); ++it) {
if (it->isClassOrStruct()) {
scope = &(*it);
break;
}
}
ASSERT(scope != 0);
if (!scope)
return;
ASSERT_EQUALS("X", scope->className);
// The class has a constructor and the implementation _is_ seen
ASSERT_EQUALS(1U, scope->functionList.size());
const Function *function = &(scope->functionList.front());
ASSERT_EQUALS("X", function->tokenDef->str());
ASSERT_EQUALS(true, function->hasBody);
}
void tryCatch1() {
const std::string str("void foo() {\n"
" try { }\n"
" catch (const Error1 & x) { }\n"
" catch (const X::Error2 & x) { }\n"
" catch (Error3 x) { }\n"
" catch (X::Error4 x) { }\n"
"}\n");
GET_SYMBOL_DB(str.c_str())
check(str.c_str(), false);
ASSERT_EQUALS("", errout.str());
ASSERT(db && db->getVariableListSize() == 5); // index 0 + 4 variables
ASSERT(db && db->scopeList.size() == 7); // global + function + try + 4 catch
}
void symboldatabase1() {
check("namespace foo {\n"
" class bar;\n"
"};");
ASSERT_EQUALS("", errout.str());
check("class foo : public bar < int, int> {\n"
"};");
ASSERT_EQUALS("", errout.str());
}
void symboldatabase2() {
check("class foo {\n"
"public slots :\n"
"foo() { }\n"
"};");
ASSERT_EQUALS("", errout.str());
check("class foo {\n"
"class bar;\n"
"foo() { }\n"
"};");
ASSERT_EQUALS("", errout.str());
}
void symboldatabase3() {
check("typedef void (func_type)();\n"
"struct A {\n"
" friend func_type f : 2;\n"
"};\n");
ASSERT_EQUALS("", errout.str());
}
void symboldatabase4() {
check("static void function_declaration_before(void) __attribute__((__used__));\n"
"static void function_declaration_before(void) {}\n"
"static void function_declaration_after(void) {}\n"
"static void function_declaration_after(void) __attribute__((__used__));\n");
ASSERT_EQUALS("", errout.str());
check("main(int argc, char *argv[]) { }\n");
ASSERT_EQUALS("", errout.str());
check("namespace boost {\n"
" std::locale generate_locale()\n"
" {\n"
" return std::locale();\n"
" }\n"
"}\n");
ASSERT_EQUALS("", errout.str());
check("namespace X {\n"
" static void function_declaration_before(void) __attribute__((__used__));\n"
" static void function_declaration_before(void) {}\n"
" static void function_declaration_after(void) {}\n"
" static void function_declaration_after(void) __attribute__((__used__));\n"
"}\n");
ASSERT_EQUALS("", errout.str());
check("testing::testing()\n"
"{\n"
"}\n");
ASSERT_EQUALS("", errout.str());
}
void symboldatabase5() {
// ticket #2178 - segmentation fault
check("int CL_INLINE_DECL(integer_decode_float) (int x) {\n"
" return (sign ? cl_I() : 0);\n"
"}\n");
ASSERT_EQUALS("", errout.str());
}
void symboldatabase6() {
// ticket #2221 - segmentation fault
check("template<int i> class X { };\n"
"X< 1>2 > x1;\n"
"X<(1>2)> x2;\n"
"template<class T> class Y { };\n"
"Y<X<1>> x3;\n"
"Y<X<6>>1>> x4;\n"
"Y<X<(6>>1)>> x5;\n", false);
ASSERT_EQUALS("", errout.str());
}
void symboldatabase7() {
// ticket #2230 - segmentation fault
check("template<template<class> class E,class D> class C : E<D>\n"
"{\n"
"public:\n"
" int f();\n"
"};\n"
"class E : C<D,int>\n"
"{\n"
"public:\n"
" int f() { return C< ::D,int>::f(); }\n"
"};\n");
ASSERT_EQUALS("", errout.str());
}
void symboldatabase8() {
// ticket #2252 - segmentation fault
check("struct PaletteColorSpaceHolder: public rtl::StaticWithInit<uno::Reference<rendering::XColorSpace>,\n"
" PaletteColorSpaceHolder>\n"
"{\n"
" uno::Reference<rendering::XColorSpace> operator()()\n"
" {\n"
" return vcl::unotools::createStandardColorSpace();\n"
" }\n"
"};\n");
ASSERT_EQUALS("", errout.str());
}
void symboldatabase9() {
// ticket #2425 - segmentation fault
check("class CHyperlink : public CString\n"
"{\n"
"public:\n"
" const CHyperlink& operator=(LPCTSTR lpsz) {\n"
" CString::operator=(lpsz);\n"
" return *this;\n"
" }\n"
"};\n", false);
ASSERT_EQUALS("", errout.str());
}
void symboldatabase10() {
// ticket #2537 - segmentation fault
check("class A {\n"
"private:\n"
" void f();\n"
"};\n"
"class B {\n"
" friend void A::f();\n"
"};\n");
ASSERT_EQUALS("", errout.str());
}
void symboldatabase11() {
// ticket #2539 - segmentation fault
check("int g ();\n"
"struct S {\n"
" int i : (false ? g () : 1);\n"
"};\n");
ASSERT_EQUALS("", errout.str());
}
void symboldatabase12() {
// ticket #2547 - segmentation fault
check("class foo {\n"
" void bar2 () = __null;\n"
"};\n");
ASSERT_EQUALS("", errout.str());
}
void symboldatabase13() {
// ticket #2577 - segmentation fault
check("class foo {\n"
" void bar2 () = A::f;\n"
"};\n");
ASSERT_EQUALS("", errout.str());
}
void symboldatabase14() {
// ticket #2589 - segmentation fault
check("struct B : A\n");
ASSERT_EQUALS("", errout.str());
}
void symboldatabase15() {
// ticket #2591 - segmentation fault
check("struct A :\n");
ASSERT_EQUALS("", errout.str());
}
void symboldatabase16() {
// ticket #2637 - segmentation fault
check("{} const const\n");
ASSERT_EQUALS("", errout.str());
}
void symboldatabase17() {
// ticket #2657 - segmentation fault
check("return f(){}\n");
ASSERT_EQUALS("", errout.str());
}
void symboldatabase18() {
// ticket #2865 - segmentation fault
check("char a[1]\n");
ASSERT_EQUALS("", errout.str());
}
void symboldatabase19() {
// ticket #2991 - segmentation fault
check("::y(){x}\n");
ASSERT_EQUALS("", errout.str());
}
void symboldatabase20() {
// ticket #3013 - segmentation fault
check("struct x : virtual y\n");
ASSERT_EQUALS("", errout.str());
}
void symboldatabase21() {
check("class Fred {\n"
" class Foo { };\n"
" void func() const;\n"
"};\n"
"Fred::func() const {\n"
" Foo foo;\n"
"}\n");
ASSERT_EQUALS("", errout.str());
}
// #ticket 3437 (segmentation fault)
void symboldatabase22() {
check("template <class C> struct A {};\n"
"A<int> a;\n");
ASSERT_EQUALS("", errout.str());
}
// #ticket 3435 (std::vector)
void symboldatabase23() {
GET_SYMBOL_DB("class A { std::vector<int*> ints; };\n");
ASSERT_EQUALS(2U, db->scopeList.size());
const Scope &scope = db->scopeList.back();
ASSERT_EQUALS(1U, scope.varlist.size());
const Variable &var = scope.varlist.front();
ASSERT_EQUALS(std::string("ints"), var.name());
ASSERT_EQUALS(true, var.isClass());
}
// #ticket 3508 (constructor, destructor)
void symboldatabase24() {
GET_SYMBOL_DB("struct Fred {\n"
" ~Fred();\n"
" Fred();\n"
"};\n"
"Fred::Fred() { }\n"
"Fred::~Fred() { }");
// Global scope, Fred, Fred::Fred, Fred::~Fred
ASSERT_EQUALS(4U, db->scopeList.size());
// Find the scope for the Fred struct..
const Scope *fredScope = NULL;
for (std::list<Scope>::const_iterator scope = db->scopeList.begin(); scope != db->scopeList.end(); ++scope) {
if (scope->isClassOrStruct() && scope->className == "Fred")
fredScope = &(*scope);
}
ASSERT(fredScope != NULL);
if (fredScope == NULL)
return;
// The struct Fred has two functions, a constructor and a destructor
ASSERT_EQUALS(2U, fredScope->functionList.size());
// Get linenumbers where the bodies for the constructor and destructor are..
unsigned int constructor = 0;
unsigned int destructor = 0;
for (std::list<Function>::const_iterator it = fredScope->functionList.begin(); it != fredScope->functionList.end(); ++it) {
if (it->type == Function::eConstructor)
constructor = it->token->linenr(); // line number for constructor body
if (it->type == Function::eDestructor)
destructor = it->token->linenr(); // line number for destructor body
}
// The body for the constructor is located at line 5..
ASSERT_EQUALS(5U, constructor);
// The body for the destructor is located at line 6..
ASSERT_EQUALS(6U, destructor);
}
// #ticket #3561 (throw C++)
void symboldatabase25() {
const std::string str("int main() {\n"
" foo bar;\n"
" throw bar;\n"
"}");
GET_SYMBOL_DB(str.c_str());
check(str.c_str(), false);
ASSERT_EQUALS("", errout.str());
ASSERT(db && db->getVariableListSize() == 2); // index 0 + 1 variable
}
// #ticket #3561 (throw C)
void symboldatabase26() {
const std::string str("int main() {\n"
" throw bar;\n"
"}");
GET_SYMBOL_DB_C(str.c_str());
check(str.c_str(), false);
ASSERT_EQUALS("", errout.str());
ASSERT(db && db->getVariableListSize() == 2); // index 0 + 1 variable
}
// #ticket #3543 (segmentation fault)
void symboldatabase27() {
check("class C : public B1\n"
"{\n"
" B1()\n"
" {} C(int) : B1() class\n"
"};\n");
ASSERT_EQUALS("", errout.str());
}
void symboldatabase28() {
GET_SYMBOL_DB("struct S {};\n"
"void foo(struct S s) {}");
ASSERT(db && db->getVariableFromVarId(1) && db->getVariableFromVarId(1)->type() && db->getVariableFromVarId(1)->type()->className == "S");
}
void isImplicitlyVirtual() {
{
GET_SYMBOL_DB("class Base {\n"
" virtual void foo() {}\n"
"};\n"
"class Deri : Base {\n"
" void foo() {}\n"
"};");
ASSERT(db && db->findScopeByName("Deri") && db->findScopeByName("Deri")->functionList.front().isImplicitlyVirtual());
}
{
GET_SYMBOL_DB("class Base {\n"
" virtual void foo() {}\n"
"};\n"
"class Deri1 : Base {\n"
" void foo() {}\n"
"};\n"
"class Deri2 : Deri1 {\n"
" void foo() {}\n"
"};");
ASSERT(db && db->findScopeByName("Deri2") && db->findScopeByName("Deri2")->functionList.front().isImplicitlyVirtual());
}
{
GET_SYMBOL_DB("class Base {\n"
" void foo() {}\n"
"};\n"
"class Deri : Base {\n"
" void foo() {}\n"
"};");
ASSERT(db && db->findScopeByName("Deri") && !db->findScopeByName("Deri")->functionList.front().isImplicitlyVirtual(true));
}
{
GET_SYMBOL_DB("class Base {\n"
" virtual void foo() {}\n"
"};\n"
"class Deri : Base {\n"
" void foo(std::string& s) {}\n"
"};");
ASSERT(db && db->findScopeByName("Deri") && !db->findScopeByName("Deri")->functionList.front().isImplicitlyVirtual(true));
}
{
GET_SYMBOL_DB("class Base {\n"
" virtual void foo() {}\n"
"};\n"
"class Deri1 : Base {\n"
" void foo(int i) {}\n"
"};\n"
"class Deri2 : Deri1 {\n"
" void foo() {}\n"
"};");
ASSERT(db && db->findScopeByName("Deri2") && db->findScopeByName("Deri2")->functionList.front().isImplicitlyVirtual());
}
{
GET_SYMBOL_DB("class Base : Base2 {\n" // We don't know Base2
" void foo() {}\n"
"};\n"
"class Deri : Base {\n"
" void foo() {}\n"
"};");
ASSERT(db && db->findScopeByName("Deri") && db->findScopeByName("Deri")->functionList.front().isImplicitlyVirtual(true)); // Default true -> true
}
{
GET_SYMBOL_DB("class Base : Base2 {\n" // We don't know Base2
" void foo() {}\n"
"};\n"
"class Deri : Base {\n"
" void foo() {}\n"
"};");
ASSERT(db && db->findScopeByName("Deri") && !db->findScopeByName("Deri")->functionList.front().isImplicitlyVirtual(false)); // Default false -> false
}
{
GET_SYMBOL_DB("class Base : Base2 {\n" // We don't know Base2
" virtual void foo() {}\n"
"};\n"
"class Deri : Base {\n"
" void foo() {}\n"
"};");
ASSERT(db && db->findScopeByName("Deri") && db->findScopeByName("Deri")->functionList.front().isImplicitlyVirtual(false)); // Default false, but we saw "virtual" -> true
}
}
};
REGISTER_TEST(TestSymbolDatabase)