TestAstUtils() : TestFixture("TestAstUtils") {}

// TODO: test with C code

void run() override {

TEST_CASE(findLambdaEndTokenTest);

TEST_CASE(findLambdaStartTokenTest);

TEST_CASE(isNullOperandTest);

TEST_CASE(isReturnScopeTest);

TEST_CASE(isSameExpressionCpp);

TEST_CASE(isSameExpressionC);

TEST_CASE(isVariableChangedTest);

TEST_CASE(isVariableChangedByFunctionCallTest);

TEST_CASE(isExpressionChangedTest);

TEST_CASE(nextAfterAstRightmostLeafTest);

TEST_CASE(isUsedAsBool);

}

#define findLambdaEndToken(...) findLambdaEndToken_(__FILE__, __LINE__, __VA_ARGS__)

template<size_t size>

bool findLambdaEndToken_(const char* file, int line, const char (&code)[size], const char pattern[] = nullptr, bool checkNext = true) {

SimpleTokenizer tokenizer(settingsDefault, *this);

ASSERT_LOC(tokenizer.tokenize(code), file, line);

const Token* const tokStart = pattern ? Token::findsimplematch(tokenizer.tokens(), pattern, strlen(pattern)) : tokenizer.tokens();

const Token * const tokEnd = (::findLambdaEndToken)(tokStart);

return tokEnd && (!checkNext || tokEnd->next() == nullptr);

}

void findLambdaEndTokenTest() {

const Token* nullTok = nullptr;

ASSERT(nullptr == (::findLambdaEndToken)(nullTok));

ASSERT_EQUALS(false, findLambdaEndToken("void f() { }\n"));

ASSERT_EQUALS(true, findLambdaEndToken("[]{ }\n"));

ASSERT_EQUALS(true, findLambdaEndToken("[]{ return 0; }\n"));

ASSERT_EQUALS(true, findLambdaEndToken("[](){ }\n"));

ASSERT_EQUALS(true, findLambdaEndToken("[&](){ }\n"));

ASSERT_EQUALS(true, findLambdaEndToken("[&, i](){ }\n"));

ASSERT_EQUALS(true, findLambdaEndToken("[](void) { return -1; }\n"));

ASSERT_EQUALS(true, findLambdaEndToken("[](int a, int b) { return a + b; }\n"));

ASSERT_EQUALS(true, findLambdaEndToken("[](int a, int b) mutable { return a + b; }\n"));

ASSERT_EQUALS(true, findLambdaEndToken("[](int a, int b) constexpr { return a + b; }\n"));

ASSERT_EQUALS(true, findLambdaEndToken("[](void) -> int { return -1; }\n"));

ASSERT_EQUALS(true, findLambdaEndToken("[](void) mutable -> int { return -1; }\n"));

ASSERT_EQUALS(false, findLambdaEndToken("[](void) foo -> int { return -1; }\n"));

ASSERT_EQUALS(true, findLambdaEndToken("[](void) constexpr -> int { return -1; }\n"));

ASSERT_EQUALS(true, findLambdaEndToken("[](void) constexpr -> int* { return x; }\n"));

ASSERT_EQUALS(true, findLambdaEndToken("[](void) constexpr -> const * int { return x; }\n"));

ASSERT_EQUALS(true, findLambdaEndToken("[](void) mutable -> const * int { return x; }\n"));

ASSERT_EQUALS(true, findLambdaEndToken("[](void) constexpr -> const ** int { return x; }\n"));

ASSERT_EQUALS(true, findLambdaEndToken("[](void) constexpr -> const * const* int { return x; }\n"));

ASSERT_EQUALS(false, findLambdaEndToken("int** a[] { new int*[2] { new int, new int} };\n", "[ ]"));

ASSERT_EQUALS(false, findLambdaEndToken("int** a[] { new int*[2] { new int, new int} };\n", "[ 2"));

ASSERT_EQUALS(false, findLambdaEndToken("shared_ptr<Type *[]> sp{ new Type *[2] {new Type, new Type}, Deleter<Type>{ 2 } };\n", "[ 2"));

ASSERT_EQUALS(true, findLambdaEndToken("int i = 5 * []{ return 7; }();\n", "[", /*checkNext*/ false));

}

#define findLambdaStartToken(...) findLambdaStartToken_(__FILE__, __LINE__, __VA_ARGS__)

template<size_t size>

bool findLambdaStartToken_(const char* file, int line, const char (&code)[size]) {

SimpleTokenizer tokenizer(settingsDefault, *this);

ASSERT_LOC(tokenizer.tokenize(code), file, line);

const Token * const tokStart = (::findLambdaStartToken)(tokenizer.list.back());

return tokStart && tokStart == tokenizer.list.front();

}

void findLambdaStartTokenTest() {

ASSERT(nullptr == (::findLambdaStartToken)(nullptr));

ASSERT_EQUALS(false, findLambdaStartToken("void f() { }\n"));

ASSERT_EQUALS(true, findLambdaStartToken("[]{ }\n"));

ASSERT_EQUALS(true, findLambdaStartToken("[]{ return 0; }\n"));

ASSERT_EQUALS(true, findLambdaStartToken("[](){ }\n"));

ASSERT_EQUALS(true, findLambdaStartToken("[&](){ }\n"));

ASSERT_EQUALS(true, findLambdaStartToken("[&, i](){ }\n"));

ASSERT_EQUALS(true, findLambdaStartToken("[](void) { return -1; }\n"));

ASSERT_EQUALS(true, findLambdaStartToken("[](int a, int b) { return a + b; }\n"));

ASSERT_EQUALS(true, findLambdaStartToken("[](int a, int b) mutable { return a + b; }\n"));

ASSERT_EQUALS(true, findLambdaStartToken("[](int a, int b) constexpr { return a + b; }\n"));

ASSERT_EQUALS(true, findLambdaStartToken("[](void) -> int { return -1; }\n"));

ASSERT_EQUALS(true, findLambdaStartToken("[](void) mutable -> int { return -1; }\n"));

ASSERT_EQUALS(false, findLambdaStartToken("[](void) foo -> int { return -1; }\n"));

ASSERT_EQUALS(true, findLambdaStartToken("[](void) constexpr -> int { return -1; }\n"));

ASSERT_EQUALS(true, findLambdaStartToken("[](void) constexpr -> int* { return x; }\n"));

ASSERT_EQUALS(true, findLambdaStartToken("[](void) constexpr -> const * int { return x; }\n"));

ASSERT_EQUALS(true, findLambdaStartToken("[](void) mutable -> const * int { return x; }\n"));

ASSERT_EQUALS(true, findLambdaStartToken("[](void) constexpr -> const ** int { return x; }\n"));

ASSERT_EQUALS(true, findLambdaStartToken("[](void) constexpr -> const * const* int { return x; }\n"));

}

#define isNullOperand(...) isNullOperand_(__FILE__, __LINE__, __VA_ARGS__)

template<size_t size>

bool isNullOperand_(const char* file, int line, const char (&code)[size]) {

SimpleTokenizer tokenizer(settingsDefault, *this);

ASSERT_LOC(tokenizer.tokenize(code), file, line);

return (::isNullOperand)(tokenizer.tokens());

}

void isNullOperandTest() {

ASSERT_EQUALS(true, isNullOperand("(void*)0;\n"));

ASSERT_EQUALS(true, isNullOperand("(void*)0U;\n"));

ASSERT_EQUALS(true, isNullOperand("(void*)0x0LL;\n"));

ASSERT_EQUALS(true, isNullOperand("NULL;\n"));

ASSERT_EQUALS(true, isNullOperand("nullptr;\n"));

ASSERT_EQUALS(true, isNullOperand("(void*)NULL;\n"));

ASSERT_EQUALS(true, isNullOperand("static_cast<int*>(0);\n"));

ASSERT_EQUALS(false, isNullOperand("0;\n"));

ASSERT_EQUALS(false, isNullOperand("(void*)0.0;\n"));

ASSERT_EQUALS(false, isNullOperand("(void*)1;\n"));

}

#define isReturnScope(...) isReturnScope_(__FILE__, __LINE__, __VA_ARGS__)

template<size_t size>

bool isReturnScope_(const char* file, int line, const char (&code)[size], int offset) {

SimpleTokenizer tokenizer(settingsDefault, *this);

ASSERT_LOC(tokenizer.tokenize(code), file, line);

const Token * const tok = (offset < 0)

? tokenizer.list.back()->tokAt(1+offset)

: tokenizer.tokens()->tokAt(offset);

return (isReturnScope)(tok, settingsDefault.library);

}

void isReturnScopeTest() {

ASSERT_EQUALS(true, isReturnScope("void f() { if (a) { return; } }\n", -2));

ASSERT_EQUALS(true, isReturnScope("int f() { if (a) { return {}; } }\n", -2)); // #8891

ASSERT_EQUALS(true, isReturnScope("std::string f() { if (a) { return std::string{}; } }\n", -2)); // #8891

ASSERT_EQUALS(true, isReturnScope("std::string f() { if (a) { return std::string{\"\"}; } }\n", -2)); // #8891

ASSERT_EQUALS(true, isReturnScope("void f() { if (a) { return (ab){0}; } }\n", -2)); // #7103

ASSERT_EQUALS(false, isReturnScope("void f() { if (a) { return (ab){0}; } }\n", -4)); // #7103

ASSERT_EQUALS(true, isReturnScope("void f() { if (a) { {throw new string(x);}; } }\n", -4)); // #7144

ASSERT_EQUALS(true, isReturnScope("void f() { if (a) { {throw new string(x);}; } }\n", -2)); // #7144

ASSERT_EQUALS(false, isReturnScope("void f() { [=]() { return data; }; }\n", -1));

ASSERT_EQUALS(true, isReturnScope("auto f() { return [=]() { return data; }; }\n", -1));

ASSERT_EQUALS(true, isReturnScope("auto f() { return [=]() { return data; }(); }\n", -1));

ASSERT_EQUALS(false, isReturnScope("auto f() { [=]() { return data; }(); }\n", -1));

ASSERT_EQUALS(true, isReturnScope("void negativeTokenOffset() { return; }\n", -1));

ASSERT_EQUALS(false, isReturnScope("void zeroTokenOffset() { return; }\n", 0));

ASSERT_EQUALS(true, isReturnScope("void positiveTokenOffset() { return; }\n", 7));

}

#define isSameExpression(...) isSameExpression_(__FILE__, __LINE__, __VA_ARGS__)

template<size_t size>

bool isSameExpression_(const char* file, int line, const char (&code)[size], const char tokStr1[], const char tokStr2[], bool cpp) {

SimpleTokenizer tokenizer(settingsDefault, *this, cpp);

ASSERT_LOC(tokenizer.tokenize(code), file, line);

const Token * const tok1 = Token::findsimplematch(tokenizer.tokens(), tokStr1, strlen(tokStr1));

const Token * const tok2 = Token::findsimplematch(tok1->next(), tokStr2, strlen(tokStr2));

return (isSameExpression)(false, tok1, tok2, settingsDefault, false, true);

}

void isSameExpressionTestInternal(bool cpp) {

ASSERT_EQUALS(true, isSameExpression("x = 1 + 1;\n", "1", "1", cpp));

ASSERT_EQUALS(false, isSameExpression("x = 1 + 1u;\n", "1", "1u", cpp));

ASSERT_EQUALS(true, isSameExpression("x = 1.0 + 1.0;\n", "1.0", "1.0", cpp));

ASSERT_EQUALS(false, isSameExpression("x = 1.0f + 1.0;\n", "1.0f", "1.0", cpp));

ASSERT_EQUALS(false, isSameExpression("x = 1L + 1;\n", "1L", "1", cpp));

ASSERT_EQUALS(true, isSameExpression("x = 0.0f + 0x0p+0f;\n", "0.0f", "0x0p+0f", cpp));

ASSERT_EQUALS(true, isSameExpression("x < x;\n", "x", "x", cpp));

ASSERT_EQUALS(false, isSameExpression("x < y;\n", "x", "y", cpp));

ASSERT_EQUALS(true, isSameExpression("(x + 1) < (x + 1);\n", "+", "+", cpp));

ASSERT_EQUALS(false, isSameExpression("(x + 1) < (x + 1L);\n", "+", "+", cpp));

ASSERT_EQUALS(!cpp, isSameExpression("(1 + x) < (x + 1);\n", "+", "+", cpp));

ASSERT_EQUALS(false, isSameExpression("(1.0l + x) < (1.0 + x);\n", "+", "+", cpp));

ASSERT_EQUALS(!cpp, isSameExpression("(0.0 + x) < (x + 0x0p+0);\n", "+", "+", cpp));

ASSERT_EQUALS(true, isSameExpression("void f() {double y = 1e1; (x + y) < (x + 10.0); } \n", "+", "+", cpp));

ASSERT_EQUALS(!cpp, isSameExpression("void f() {double y = 1e1; (x + 10.0) < (y + x); } \n", "+", "+", cpp));

ASSERT_EQUALS(true, isSameExpression("void f() {double y = 1e1; double z = 10.0; (x + y) < (x + z); } \n", "+", "+", cpp));

ASSERT_EQUALS(true, isSameExpression("A + A\n", "A", "A", cpp));

// the remaining test cases are not valid C code

if (!cpp)

return;

//https://trac.cppcheck.net/ticket/9700

ASSERT_EQUALS(true, isSameExpression("A::B + A::B;\n", "::", "::", cpp));

ASSERT_EQUALS(false, isSameExpression("A::B + A::C;\n", "::", "::", cpp));

ASSERT_EQUALS(true, isSameExpression("A::B* get() { if(x) return new A::B(true); else return new A::B(true); }\n", "new", "new", cpp));

ASSERT_EQUALS(false, isSameExpression("A::B* get() { if(x) return new A::B(true); else return new A::C(true); }\n", "new", "new", cpp));

}

void isSameExpressionCpp() {

isSameExpressionTestInternal(true);

}

void isSameExpressionC() {

isSameExpressionTestInternal(false);

}

#define isVariableChanged(...) isVariableChanged_(__FILE__, __LINE__, __VA_ARGS__)

template<size_t size>

bool isVariableChanged_(const char* file, int line, const char (&code)[size], const char startPattern[], const char endPattern[]) {

SimpleTokenizer tokenizer(settingsDefault, *this);

ASSERT_LOC(tokenizer.tokenize(code), file, line);

const Token * const tok1 = Token::findsimplematch(tokenizer.tokens(), startPattern, strlen(startPattern));

const Token * const tok2 = Token::findsimplematch(tokenizer.tokens(), endPattern, strlen(endPattern));

return (isVariableChanged)(tok1, tok2, 1, false, settingsDefault);

}

void isVariableChangedTest() {

// #8211 - no lhs for >> , do not crash

(void)isVariableChanged("void f() {\n"

" int b;\n"

" if (b) { (int)((INTOF(8))result >> b); }\n"

"}\n", "if", "}");

// #9235

ASSERT_EQUALS(false,

isVariableChanged("void f() {\n"

" int &a = a;\n"

"}\n",

"= a",

"}"));

ASSERT_EQUALS(false, isVariableChanged("void f(const A& a) { a.f(); }\n", "{", "}"));

ASSERT_EQUALS(true,

isVariableChanged("void g(int*);\n"

"void f(int x) { g(&x); }\n",

"{",

"}"));

ASSERT_EQUALS(false, isVariableChanged("const int A[] = { 1, 2, 3 };\n", "[", "]"));

}

#define isVariableChangedByFunctionCall(...) isVariableChangedByFunctionCall_( __FILE__, __LINE__, __VA_ARGS__)

template<size_t size>

bool isVariableChangedByFunctionCall_(const char* file, int line, const char (&code)[size], const char pattern[], bool *inconclusive) {

SimpleTokenizer tokenizer(settingsDefault, *this);

ASSERT_LOC(tokenizer.tokenize(code), file, line);

const Token * const argtok = Token::findmatch(tokenizer.tokens(), pattern);

ASSERT_LOC(argtok, file, line);

int indirect = (argtok->variable() && argtok->variable()->isArray());

return (isVariableChangedByFunctionCall)(argtok, indirect, settingsDefault.library, inconclusive);

}

void isVariableChangedByFunctionCallTest() {

{ // #8271 - template method

const char code[] = "void f(int x) {\n"

" a<int>(x);\n"

"}\n";

bool inconclusive = false;

ASSERT_EQUALS(false, isVariableChangedByFunctionCall(code, "x ) ;", &inconclusive));

ASSERT_EQUALS(true, inconclusive);

}

{

const char code[] = "int f(int x) {\n"

"return int(x);\n"

"}\n";

bool inconclusive = false;

ASSERT_EQUALS(false, isVariableChangedByFunctionCall(code, "x ) ;", &inconclusive));

ASSERT_EQUALS(false, inconclusive);

}

{

const char code[] = "void g(int* p);\n"

"void f(int x) {\n"

" return g(&x);\n"

"}\n";

bool inconclusive = false;

ASSERT_EQUALS(true, isVariableChangedByFunctionCall(code, "x ) ;", &inconclusive));

ASSERT_EQUALS(false, inconclusive);

}

{

const char code[] = "void g(const int* p);\n"

"void f(int x) {\n"

" return g(&x);\n"

"}\n";

bool inconclusive = false;

ASSERT_EQUALS(false, isVariableChangedByFunctionCall(code, "x ) ;", &inconclusive));

ASSERT_EQUALS(false, inconclusive);

}

{

const char code[] = "void g(int** pp);\n"

"void f(int* p) {\n"

" return g(&p);\n"

"}\n";

bool inconclusive = false;

ASSERT_EQUALS(true, isVariableChangedByFunctionCall(code, "p ) ;", &inconclusive));

ASSERT_EQUALS(false, inconclusive);

}

{

const char code[] = "void g(int* const* pp);\n"

"void f(int* p) {\n"

" return g(&p);\n"

"}\n";

bool inconclusive = false;

ASSERT_EQUALS(false, isVariableChangedByFunctionCall(code, "p ) ;", &inconclusive));

ASSERT_EQUALS(false, inconclusive);

}

{

const char code[] = "void g(int a[2]);\n"

"void f() {\n"

" int b[2] = {};\n"

" return g(b);\n"

"}\n";

bool inconclusive = false;

ASSERT_EQUALS(true, isVariableChangedByFunctionCall(code, "b ) ;", &inconclusive));

ASSERT_EQUALS(false, inconclusive);

}

{

const char code[] = "void g(const int a[2]);\n"

"void f() {\n"

" int b[2] = {};\n"

" return g(b);\n"

"}\n";

bool inconclusive = false;

TODO_ASSERT_EQUALS(false, true, isVariableChangedByFunctionCall(code, "b ) ;", &inconclusive));

ASSERT_EQUALS(false, inconclusive);

}

{

const char code[] = "void g(std::array<int, 2> a);\n"

"void f() {\n"

" std::array<int, 2> b = {};\n"

" return g(b);\n"

"}\n";

bool inconclusive = false;

ASSERT_EQUALS(false, isVariableChangedByFunctionCall(code, "b ) ;", &inconclusive));

ASSERT_EQUALS(false, inconclusive);

}

{

const char code[] = "void g(std::array<int, 2>& a);\n"

"void f() {\n"

" std::array<int, 2> b = {};\n"

" return g(b);\n"

"}\n";

bool inconclusive = false;

ASSERT_EQUALS(true, isVariableChangedByFunctionCall(code, "b ) ;", &inconclusive));

ASSERT_EQUALS(false, inconclusive);

}

{

const char code[] = "void g(const std::array<int, 2>& a);\n"

"void f() {\n"

" std::array<int, 2> b = {};\n"

" return g(b);\n"

"}\n";

bool inconclusive = false;

ASSERT_EQUALS(false, isVariableChangedByFunctionCall(code, "b ) ;", &inconclusive));

ASSERT_EQUALS(false, inconclusive);

}

{

const char code[] = "void g(std::array<int, 2>* p);\n"

"void f() {\n"

" std::array<int, 2> b = {};\n"

" return g(&b);\n"

"}\n";

bool inconclusive = false;

ASSERT_EQUALS(true, isVariableChangedByFunctionCall(code, "b ) ;", &inconclusive));

ASSERT_EQUALS(false, inconclusive);

}

{

const char code[] = "struct S {};\n"

"void g(S);\n"

"void f(S* s) {\n"

" g(*s);\n"

"}\n";

bool inconclusive = false;

ASSERT_EQUALS(false, isVariableChangedByFunctionCall(code, "s ) ;", &inconclusive));

ASSERT_EQUALS(false, inconclusive);

}

{

const char code[] = "struct S {};\n"

"void g(const S&);\n"

"void f(S* s) {\n"

" g(*s);\n"

"}\n";

bool inconclusive = false;

ASSERT_EQUALS(false, isVariableChangedByFunctionCall(code, "s ) ;", &inconclusive));

ASSERT_EQUALS(false, inconclusive);

}

}

#define isExpressionChanged(...) isExpressionChanged_(__FILE__, __LINE__, __VA_ARGS__)

template<size_t size>

bool isExpressionChanged_(const char* file,

int line,

const char (&code)[size],

const char var[],

const char startPattern[],

const char endPattern[])

{

const Settings settings = settingsBuilder().library("std.cfg").build();

SimpleTokenizer tokenizer(settings, *this);

ASSERT_LOC(tokenizer.tokenize(code), file, line);

const Token* const start = Token::findsimplematch(tokenizer.tokens(), startPattern, strlen(startPattern));

const Token* const end = Token::findsimplematch(start, endPattern, strlen(endPattern));

const Token* const expr = Token::findsimplematch(tokenizer.tokens(), var, strlen(var));

return (findExpressionChanged)(expr, start, end, settings);

}

void isExpressionChangedTest()

{

ASSERT_EQUALS(true, isExpressionChanged("void f(std::map<int, int>& m) { m[0]; }\n", "m [", "{", "}"));

ASSERT_EQUALS(false, isExpressionChanged("void f(const A& a) { a.f(); }\n", "a .", "{", "}"));

ASSERT_EQUALS(true,

isExpressionChanged("void g(int*);\n"

"void f(int x) { g(&x); }\n",

"x",

") {",

"}"));

ASSERT_EQUALS(true,

isExpressionChanged("struct S { void f(); int i; };\n"

"void call_f(S& s) { (s.*(&S::f))(); }\n",

"s .",

"{ (",

"}"));

}

#define nextAfterAstRightmostLeaf(...) nextAfterAstRightmostLeaf_(__FILE__, __LINE__, __VA_ARGS__)

template<size_t size>

bool nextAfterAstRightmostLeaf_(const char* file, int line, const char (&code)[size], const char parentPattern[], const char rightPattern[]) {

SimpleTokenizer tokenizer(settingsDefault, *this);

ASSERT_LOC(tokenizer.tokenize(code), file, line);

const Token * tok = Token::findsimplematch(tokenizer.tokens(), parentPattern, strlen(parentPattern));

return Token::simpleMatch((::nextAfterAstRightmostLeaf)(tok), rightPattern, strlen(rightPattern));

}

void nextAfterAstRightmostLeafTest() {

ASSERT_EQUALS(true, nextAfterAstRightmostLeaf("void f(int a, int b) { int x = a + b; }\n", "=", "; }"));

ASSERT_EQUALS(true, nextAfterAstRightmostLeaf("int * g(int); void f(int a, int b) { int x = g(a); }\n", "=", "; }"));

ASSERT_EQUALS(true, nextAfterAstRightmostLeaf("int * g(int); void f(int a, int b) { int x = g(a)[b]; }\n", "=", "; }"));

ASSERT_EQUALS(true, nextAfterAstRightmostLeaf("int * g(int); void f(int a, int b) { int x = g(g(a)[b]); }\n", "=", "; }"));

ASSERT_EQUALS(true, nextAfterAstRightmostLeaf("int * g(int); void f(int a, int b) { int x = g(g(a)[b] + a); }\n", "=", "; }"));

ASSERT_EQUALS(true, nextAfterAstRightmostLeaf("int * g(int); void f(int a, int b) { int x = g(a)[b + 1]; }\n", "=", "; }"));

ASSERT_EQUALS(true, nextAfterAstRightmostLeaf("void f() { int a; int b; int x = [](int a){}; }\n", "=", "; }"));

ASSERT_EQUALS(true, nextAfterAstRightmostLeaf("int * g(int); void f(int a, int b) { int x = a + b; }\n", "+", "; }"));

ASSERT_EQUALS(true, nextAfterAstRightmostLeaf("int * g(int); void f(int a, int b) { int x = g(a)[b + 1]; }\n", "+", "] ; }"));

ASSERT_EQUALS(true, nextAfterAstRightmostLeaf("int * g(int); void f(int a, int b) { int x = g(a + 1)[b]; }\n", "+", ") ["));

}

enum class Result : std::uint8_t {False, True, Fail};

template<size_t size>

Result isUsedAsBool(const char (&code)[size], const char pattern[]) {

SimpleTokenizer tokenizer(settingsDefault, *this);

if (!tokenizer.tokenize(code))

return Result::Fail;

const Token * const argtok = Token::findmatch(tokenizer.tokens(), pattern);

if (!argtok)

return Result::Fail;

return ::isUsedAsBool(argtok, settingsDefault) ? Result::True : Result::False;

}

void isUsedAsBool() {

ASSERT(Result::True == isUsedAsBool("void f() { bool b = true; }\n", "b"));

ASSERT(Result::False ==isUsedAsBool("void f() { int i = true; }\n", "i"));

ASSERT(Result::True == isUsedAsBool("void f() { int i; if (i) {} }\n", "i )"));

ASSERT(Result::True == isUsedAsBool("void f() { int i; while (i) {} }\n", "i )"));

ASSERT(Result::True == isUsedAsBool("void f() { int i; for (;i;) {} }\n", "i ; )"));

ASSERT(Result::False == isUsedAsBool("void f() { int i; for (;;i) {} }\n", "i )"));

ASSERT(Result::False == isUsedAsBool("void f() { int i; for (i;;) {} }\n", "i ; ; )"));

ASSERT(Result::True == isUsedAsBool("void f() { int i; for (int j=0; i; ++j) {} }\n", "i ; ++"));

ASSERT(Result::False == isUsedAsBool("void f() { int i; if (i == 2) {} }\n", "i =="));

ASSERT(Result::False == isUsedAsBool("void f() { int i; if (i == true) {} }\n", "i =="));

ASSERT(Result::False == isUsedAsBool("void f() { int i,j; if (i == (j&&f())) {} }\n", "i =="));

ASSERT(Result::True == isUsedAsBool("void f() { int i; if (!i == 0) {} }\n", "i =="));

ASSERT(Result::True == isUsedAsBool("void f() { int i; if (!i) {} }\n", "i )"));

ASSERT(Result::True == isUsedAsBool("void f() { int i; if (!!i) {} }\n", "i )"));

ASSERT(Result::True == isUsedAsBool("void f() { int i; if (i && f()) {} }\n", "i &&"));

ASSERT(Result::True == isUsedAsBool("void f() { int i; int j = i && f(); }\n", "i &&"));

ASSERT(Result::False == isUsedAsBool("void f() { int i; if (i & f()) {} }\n", "i &"));

ASSERT(Result::True == isUsedAsBool("void f() { int i; if (static_cast<bool>(i)) {} }\n", "i )"));

ASSERT(Result::True == isUsedAsBool("void f() { int i; if ((bool)i) {} }\n", "i )"));

ASSERT(Result::True == isUsedAsBool("void f() { int i; if (1+static_cast<bool>(i)) {} }\n", "i )"));

ASSERT(Result::True == isUsedAsBool("void f() { int i; if (1+(bool)i) {} }\n", "i )"));

ASSERT(Result::False == isUsedAsBool("void f() { int i; if (1+static_cast<int>(i)) {} }\n", "i )"));

ASSERT(Result::True == isUsedAsBool("void f() { int i; if (1+!static_cast<int>(i)) {} }\n", "i )"));

ASSERT(Result::False == isUsedAsBool("void f() { int i; if (1+(int)i) {} }\n", "i )"));

ASSERT(Result::False == isUsedAsBool("void f() { int i; if (i + 2) {} }\n", "i +"));

ASSERT(Result::True == isUsedAsBool("void f() { int i; bool b = i; }\n", "i ; }"));

ASSERT(Result::True == isUsedAsBool("void f(bool b); void f() { int i; f(i); }\n","i )"));

ASSERT(Result::False == isUsedAsBool("void f() { int *i; if (*i) {} }\n", "i )"));

ASSERT(Result::True == isUsedAsBool("void f() { int *i; if (*i) {} }\n", "* i )"));

ASSERT(Result::True == isUsedAsBool("int g(); void h(bool); void f() { h(g()); }\n", "( ) )"));

ASSERT(Result::True == isUsedAsBool("int g(int); void h(bool); void f() { h(g(0)); }\n", "( 0 ) )"));

}