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testsimplifytokens.cpp
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2650 lines (2355 loc) · 111 KB
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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2025 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 "errortypes.h"
#include "helpers.h"
#include "platform.h"
#include "settings.h"
#include "standards.h"
#include "fixture.h"
#include "token.h"
#include <cstddef>
#include <string>
class TestSimplifyTokens : public TestFixture {
public:
TestSimplifyTokens() : TestFixture("TestSimplifyTokens") {}
private:
const Settings settings0 = settingsBuilder().severity(Severity::portability).build();
const Settings settings1 = settingsBuilder().severity(Severity::style).build();
const Settings settings_std = settingsBuilder().library("std.cfg").build();
const Settings settings_windows = settingsBuilder().library("windows.cfg").severity(Severity::portability).build();
void run() override {
mNewTemplate = true;
TEST_CASE(combine_strings);
TEST_CASE(combine_wstrings);
TEST_CASE(combine_ustrings);
TEST_CASE(combine_Ustrings);
TEST_CASE(combine_u8strings);
TEST_CASE(combine_mixedstrings);
TEST_CASE(double_plus);
TEST_CASE(redundant_plus);
TEST_CASE(redundant_plus_numbers);
TEST_CASE(declareVar);
TEST_CASE(declareArray);
TEST_CASE(dontRemoveIncrement);
TEST_CASE(elseif1);
TEST_CASE(namespaces);
// Simplify "not" to "!" (#345)
TEST_CASE(not1);
// Simplify "and" to "&&" (#620)
TEST_CASE(and1);
// Simplify "or" to "||"
TEST_CASE(or1);
TEST_CASE(cAlternativeTokens);
TEST_CASE(comma_keyword);
TEST_CASE(simplifyOperator1);
TEST_CASE(simplifyOperator2);
TEST_CASE(simplifyArrayAccessSyntax);
TEST_CASE(pointeralias1);
TEST_CASE(pointeralias3);
// struct ABC { } abc; => struct ABC { }; ABC abc;
TEST_CASE(simplifyStructDecl1);
TEST_CASE(simplifyStructDecl2); // ticket #2579
TEST_CASE(simplifyStructDecl3);
TEST_CASE(simplifyStructDecl4);
TEST_CASE(simplifyStructDecl6); // ticket #3732
TEST_CASE(simplifyStructDecl7); // ticket #476 (static anonymous struct array)
TEST_CASE(simplifyStructDecl8); // ticket #7698
TEST_CASE(simplifyStructDecl9);
// register int var; => int var;
// inline int foo() {} => int foo() {}
TEST_CASE(removeUnwantedKeywords);
// remove calling convention __cdecl, __stdcall, ...
TEST_CASE(simplifyCallingConvention);
// remove __attribute, __attribute__
TEST_CASE(simplifyAttribute);
TEST_CASE(simplifyFunctorCall);
TEST_CASE(simplifyFunctionPointer); // ticket #5339 (simplify function pointer after comma)
TEST_CASE(simplifyFunctionReturn);
TEST_CASE(consecutiveBraces);
TEST_CASE(simplifyOverride); // ticket #5069
TEST_CASE(simplifyNestedNamespace);
TEST_CASE(simplifyNamespaceAliases1);
TEST_CASE(simplifyNamespaceAliases2); // ticket #10281
TEST_CASE(simplifyNamespaceAliases3);
TEST_CASE(simplifyKnownVariables2);
TEST_CASE(simplifyKnownVariables3);
TEST_CASE(simplifyKnownVariables4);
TEST_CASE(simplifyKnownVariables5);
TEST_CASE(simplifyKnownVariables13);
TEST_CASE(simplifyKnownVariables14);
TEST_CASE(simplifyKnownVariables16);
TEST_CASE(simplifyKnownVariables17);
TEST_CASE(simplifyKnownVariables18);
TEST_CASE(simplifyKnownVariables19);
TEST_CASE(simplifyKnownVariables21);
TEST_CASE(simplifyKnownVariables25);
// FIXME Does expression id handle these? TEST_CASE(simplifyKnownVariables29); // ticket #1811
TEST_CASE(simplifyKnownVariables30);
TEST_CASE(simplifyKnownVariables34);
TEST_CASE(simplifyKnownVariables36); // ticket #5972
TEST_CASE(simplifyKnownVariables42); // ticket #2031 - known string value after strcpy
TEST_CASE(simplifyKnownVariables43);
TEST_CASE(simplifyKnownVariables44); // ticket #3117 - don't simplify static variables
TEST_CASE(simplifyKnownVariables46); // ticket #3587 - >>
TEST_CASE(simplifyKnownVariables47); // ticket #3627 - >>
TEST_CASE(simplifyKnownVariables48); // ticket #3754 - wrong simplification in for loop header
TEST_CASE(simplifyKnownVariables49); // #3691 - continue in switch
TEST_CASE(simplifyKnownVariables50); // #4066 sprintf changes
TEST_CASE(simplifyKnownVariables51); // #4409 hang
TEST_CASE(simplifyKnownVariables54); // #4913 'x' is not 0 after *--x=0;
TEST_CASE(simplifyKnownVariables56); // ticket #5301 - >>
TEST_CASE(simplifyKnownVariables58); // ticket #5268
TEST_CASE(simplifyKnownVariables59); // skip for header
TEST_CASE(simplifyKnownVariables61); // #7805
TEST_CASE(simplifyKnownVariables62); // #5666 - p=&str[0]
TEST_CASE(simplifyKnownVariables63); // #10798
TEST_CASE(simplifyKnownVariablesBailOutAssign1);
TEST_CASE(simplifyKnownVariablesBailOutAssign2);
TEST_CASE(simplifyKnownVariablesBailOutFor1);
TEST_CASE(simplifyKnownVariablesBailOutFor2);
TEST_CASE(simplifyKnownVariablesBailOutFor3);
TEST_CASE(simplifyKnownVariablesBailOutMemberFunction);
TEST_CASE(simplifyKnownVariablesBailOutConditionalIncrement);
TEST_CASE(simplifyKnownVariablesBailOutSwitchBreak); // ticket #2324
TEST_CASE(simplifyKnownVariablesClassMember); // #2815 - value of class member may be changed by function call
TEST_CASE(simplifyKnownVariablesFunctionCalls); // Function calls (don't assume pass by reference)
TEST_CASE(simplifyKnownVariablesGlobalVars);
TEST_CASE(simplifyKnownVariablesNamespace); // #10059
TEST_CASE(simplify_constants6); // Ticket #5625: Ternary operator as template parameter
TEST_CASE(simplifyVarDeclInitLists);
}
struct TokOptions
{
bool cpp = true;
Platform::Type type = Platform::Type::Native;
};
#define tok(...) tok_(__FILE__, __LINE__, __VA_ARGS__)
template<size_t size>
std::string tok_(const char* file, int line, const char (&code)[size], const TokOptions& options = make_default_obj()) {
const Settings settings = settingsBuilder(settings0).platform(options.type).build();
SimpleTokenizer tokenizer(settings, *this, options.cpp);
ASSERT_LOC(tokenizer.tokenize(code), file, line);
return tokenizer.tokens()->stringifyList(nullptr, false);
}
struct TokenizeAndStringifyOptions
{
Platform::Type platform = Platform::Type::Native;
bool cpp = true;
};
#define tokenizeAndStringify(...) tokenizeAndStringify_(__FILE__, __LINE__, __VA_ARGS__)
template<size_t size>
std::string tokenizeAndStringify_(const char* file, int linenr, const char (&code)[size], const TokenizeAndStringifyOptions& options = make_default_obj()) {
const Settings settings = settingsBuilder(settings1).debugwarnings().platform(options.platform).cpp(Standards::CPP03).build();
// tokenize..
SimpleTokenizer tokenizer(settings, *this, options.cpp);
ASSERT_LOC(tokenizer.tokenize(code), file, linenr);
if (tokenizer.tokens())
return tokenizer.tokens()->stringifyList(false, true, false, true, false, nullptr, nullptr);
return "";
}
#define tokenizeDebugListing(...) tokenizeDebugListing_(__FILE__, __LINE__, __VA_ARGS__)
template<size_t size>
std::string tokenizeDebugListing_(const char* file, int line, const char (&code)[size]) {
SimpleTokenizer tokenizer(settings0, *this);
ASSERT_LOC(tokenizer.tokenize(code), file, line);
// result..
return tokenizer.tokens()->stringifyList(true);
}
void combine_strings() {
const char code1[] = "void foo()\n"
"{\n"
"const char *a =\n"
"{\n"
"\"hello \"\n"
"\"world\"\n"
"};\n"
"}\n";
const char code2[] = "void foo()\n"
"{\n"
"const char *a =\n"
"{\n"
"\"hello world\"\n"
"};\n"
"}\n";
ASSERT_EQUALS(tok(code2), tok(code1));
const char code3[] = "x = L\"1\" TEXT(\"2\") L\"3\";";
ASSERT_EQUALS("x = L\"123\" ;", tok(code3, dinit(TokOptions, $.type = Platform::Type::Win64)));
const char code4[] = "x = TEXT(\"1\") L\"2\";";
ASSERT_EQUALS("x = L\"1\" L\"2\" ;", tok(code4, dinit(TokOptions, $.type = Platform::Type::Win64)));
}
void combine_wstrings() {
const char code[] = "a = L\"hello \" L\"world\" ;\n";
const char expected[] = "a = L\"hello world\" ;";
SimpleTokenizer tokenizer(settings0, *this);
ASSERT(tokenizer.tokenize(code));
ASSERT_EQUALS(expected, tokenizer.tokens()->stringifyList(nullptr, false));
}
void combine_ustrings() {
const char code[] = "abcd = u\"ab\" u\"cd\";";
const char expected[] = "abcd = u\"abcd\" ;";
SimpleTokenizer tokenizer(settings0, *this);
ASSERT(tokenizer.tokenize(code));
ASSERT_EQUALS(expected, tokenizer.tokens()->stringifyList(nullptr, false));
}
void combine_Ustrings() {
const char code[] = "abcd = U\"ab\" U\"cd\";";
const char expected[] = "abcd = U\"abcd\" ;";
SimpleTokenizer tokenizer(settings0, *this);
ASSERT(tokenizer.tokenize(code));
ASSERT_EQUALS(expected, tokenizer.tokens()->stringifyList(nullptr, false));
}
void combine_u8strings() {
const char code[] = "abcd = u8\"ab\" u8\"cd\";";
const char expected[] = "abcd = u8\"abcd\" ;";
SimpleTokenizer tokenizer(settings0, *this);
ASSERT(tokenizer.tokenize(code));
ASSERT_EQUALS(expected, tokenizer.tokens()->stringifyList(nullptr, false));
}
void combine_mixedstrings() {
const char code[] = "abcdef = \"ab\" L\"cd\" \"ef\";";
const char expected[] = "abcdef = L\"abcdef\" ;";
SimpleTokenizer tokenizer(settings0, *this);
ASSERT(tokenizer.tokenize(code));
ASSERT_EQUALS(expected, tokenizer.tokens()->stringifyList(nullptr, false));
}
void double_plus() {
{
const char code1[] = "void foo( int a )\n"
"{\n"
"a++;\n"
"a--;\n"
"++a;\n"
"--a;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a ) { a ++ ; a -- ; ++ a ; -- a ; }", tok(code1));
}
{
const char code1[] = "void foo( int a )\n"
"{\n"
"a=a+a;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a ) { a = a + a ; }", tok(code1));
}
{
const char code1[] = "void foo( int a, int b )\n"
"{\n"
"a=a+++b;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a , int b ) { a = a ++ + b ; }", tok(code1));
}
{
const char code1[] = "void foo( int a, int b )\n"
"{\n"
"a=a---b;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a , int b ) { a = a -- - b ; }", tok(code1));
}
{
const char code1[] = "void foo( int a, int b )\n"
"{\n"
"a=a--+b;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a , int b ) { a = a -- + b ; }", tok(code1));
}
{
const char code1[] = "void foo( int a, int b )\n"
"{\n"
"a=a++-b;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a , int b ) { a = a ++ - b ; }", tok(code1));
}
{
const char code1[] = "void foo( int a, int b )\n"
"{\n"
"a=a+--b;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a , int b ) { a = a + -- b ; }", tok(code1));
}
{
const char code1[] = "void foo( int a, int b )\n"
"{\n"
"a=a-++b;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a , int b ) { a = a - ++ b ; }", tok(code1));
}
}
void redundant_plus() {
{
const char code1[] = "void foo( int a, int b )\n"
"{\n"
"a=a + + b;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a , int b ) { a = a + b ; }", tok(code1));
}
{
const char code1[] = "void foo( int a, int b )\n"
"{\n"
"a=a + + + b;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a , int b ) { a = a + b ; }", tok(code1));
}
{
const char code1[] = "void foo( int a, int b )\n"
"{\n"
"a=a + - b;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a , int b ) { a = a - b ; }", tok(code1));
}
{
const char code1[] = "void foo( int a, int b )\n"
"{\n"
"a=a - + b;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a , int b ) { a = a - b ; }", tok(code1));
}
{
const char code1[] = "void foo( int a, int b )\n"
"{\n"
"a=a - - b;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a , int b ) { a = a + b ; }", tok(code1));
}
{
const char code1[] = "void foo( int a, int b )\n"
"{\n"
"a=a - + - b;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a , int b ) { a = a + b ; }", tok(code1));
}
{
const char code1[] = "void foo( int a, int b )\n"
"{\n"
"a=a - - - b;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a , int b ) { a = a - b ; }", tok(code1));
}
}
void redundant_plus_numbers() {
{
const char code1[] = "void foo( int a )\n"
"{\n"
"a=a + + 1;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a ) { a = a + 1 ; }", tok(code1));
}
{
const char code1[] = "void foo( int a )\n"
"{\n"
"a=a + + + 1;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a ) { a = a + 1 ; }", tok(code1));
}
{
const char code1[] = "void foo( int a )\n"
"{\n"
"a=a + - 1;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a ) { a = a - 1 ; }", tok(code1));
}
{
const char code1[] = "void foo( int a )\n"
"{\n"
"a=a - + 1;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a ) { a = a - 1 ; }", tok(code1));
}
{
const char code1[] = "void foo( int a )\n"
"{\n"
"a=a - - 1;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a ) { a = a + 1 ; }", tok(code1));
}
{
const char code1[] = "void foo( int a )\n"
"{\n"
"a=a - + - 1;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a ) { a = a + 1 ; }", tok(code1));
}
{
const char code1[] = "void foo( int a )\n"
"{\n"
"a=a - - - 1;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a ) { a = a - 1 ; }", tok(code1));
}
}
void declareVar() {
const char code[] = "void f ( ) { char str [ 100 ] = \"100\" ; }";
ASSERT_EQUALS(code, tok(code));
}
void declareArray() {
const char code1[] = "void f ( ) { char str [ ] = \"100\" ; }";
const char expected1[] = "void f ( ) { char str [ 4 ] = \"100\" ; }";
ASSERT_EQUALS(expected1, tok(code1));
const char code2[] = "char str [ ] = \"\\x00\";";
const char expected2[] = "char str [ 2 ] = \"\\0\" ;";
ASSERT_EQUALS(expected2, tok(code2));
const char code3[] = "char str [ ] = \"\\0\";";
const char expected3[] = "char str [ 2 ] = \"\\0\" ;";
ASSERT_EQUALS(expected3, tok(code3));
const char code4[] = "char str [ ] = \"\\n\\n\";";
const char expected4[] = "char str [ 3 ] = \"\\n\\n\" ;";
ASSERT_EQUALS(expected4, tok(code4));
}
void dontRemoveIncrement() {
{
const char code[] = "void f(int a)\n"
"{\n"
" if (a > 10)\n"
" a = 5;\n"
" else\n"
" a = 10;\n"
" a++;\n"
"}\n";
ASSERT_EQUALS("void f ( int a ) { if ( a > 10 ) { a = 5 ; } else { a = 10 ; } a ++ ; }", tok(code));
}
{
const char code[] = "void f(int a)\n"
"{\n"
" if (a > 10)\n"
" a = 5;\n"
" else\n"
" a = 10;\n"
" ++a;\n"
"}\n";
ASSERT_EQUALS("void f ( int a ) { if ( a > 10 ) { a = 5 ; } else { a = 10 ; } ++ a ; }", tok(code));
}
}
void elseif1() {
const char code[] = "void f(){ if(x) {} else if(ab) { cd } else { ef }gh; }";
ASSERT_EQUALS("\n\n##file 0\n1: void f ( ) { if ( x ) { } else { if ( ab ) { cd } else { ef } } gh ; }\n", tokenizeDebugListing(code));
// syntax error: assert there is no segmentation fault
ASSERT_EQUALS("\n\n##file 0\n1: void f ( ) { if ( x ) { } else { if ( x ) { } } }\n", tokenizeDebugListing("void f(){ if(x) {} else if (x) { } }"));
{
const char src[] = "void f(int g,int f) {\n"
"if(g==1) {poo();}\n"
"else if( g == 2 )\n"
"{\n"
" if( f == 0 ){coo();}\n"
" else if( f==1)\n"
" goo();\n"
"}\n"
"}";
const char expected[] = "void f ( int g , int f ) "
"{ "
"if ( g == 1 ) { poo ( ) ; } "
"else { "
"if ( g == 2 ) "
"{ "
"if ( f == 0 ) { coo ( ) ; } "
"else { "
"if ( f == 1 ) "
"{ "
"goo ( ) ; "
"} "
"} "
"} "
"} "
"}";
ASSERT_EQUALS(tok(expected), tok(src));
}
// Ticket #6860 - lambdas
{
const char src[] = "( []{if (ab) {cd}else if(ef) { gh } else { ij }kl}() );";
const char expected[] = "\n\n##file 0\n1: ( [ ] { if ( ab ) { cd } else { if ( ef ) { gh } else { ij } } kl } ( ) ) ;\n";
ASSERT_EQUALS(expected, tokenizeDebugListing(src));
}
{
const char src[] = "[ []{if (ab) {cd}else if(ef) { gh } else { ij }kl}() ];";
const char expected[] = "\n\n##file 0\n1: [ [ ] { if ( ab ) { cd } else { if ( ef ) { gh } else { ij } } kl } ( ) ] ;\n";
ASSERT_EQUALS(expected, tokenizeDebugListing(src));
}
{
const char src[] = "= { []{if (ab) {cd}else if(ef) { gh } else { ij }kl}() }";
const char expected[] = "\n\n##file 0\n1: = { [ ] { if ( ab ) { cd } else { if ( ef ) { gh } else { ij } } kl } ( ) }\n";
ASSERT_EQUALS(expected, tokenizeDebugListing(src));
}
}
void namespaces() {
{
const char code[] = "namespace std { }";
ASSERT_EQUALS(";", tok(code));
}
{
const char code[] = "; namespace std { }";
ASSERT_EQUALS(";", tok(code));
}
{
const char code[] = "using namespace std; namespace a{ namespace b{ void f(){} } }";
const char expected[] = "namespace a { namespace b { void f ( ) { } } }";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "namespace b{ void f(){} }";
const char expected[] = "namespace b { void f ( ) { } }";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "void f(int namespace) { }";
ASSERT_THROW_INTERNAL(tok(code), SYNTAX);
}
}
void not1() {
ASSERT_EQUALS("void f ( ) { if ( ! p ) { ; } }", tok("void f() { if (not p); }", dinit(TokOptions, $.cpp = false)));
ASSERT_EQUALS("void f ( ) { if ( p && ! q ) { ; } }", tok("void f() { if (p && not q); }", dinit(TokOptions, $.cpp = false)));
ASSERT_EQUALS("void f ( ) { a = ! ( p && q ) ; }", tok("void f() { a = not(p && q); }", dinit(TokOptions, $.cpp = false)));
// Don't simplify 'not' or 'compl' if they are defined as a type;
// in variable declaration and in function declaration/definition
ASSERT_EQUALS("struct not { int x ; } ;", tok("struct not { int x; };", dinit(TokOptions, $.cpp = false)));
ASSERT_EQUALS("void f ( ) { not p ; compl c ; }", tok(" void f() { not p; compl c; }", dinit(TokOptions, $.cpp = false)));
ASSERT_EQUALS("void foo ( not i ) ;", tok("void foo(not i);", dinit(TokOptions, $.cpp = false)));
ASSERT_EQUALS("int foo ( not i ) { return g ( i ) ; }", tok("int foo(not i) { return g(i); }", dinit(TokOptions, $.cpp = false)));
}
void and1() {
ASSERT_EQUALS("void f ( ) { if ( p && q ) { ; } }",
tok("void f() { if (p and q) ; }", dinit(TokOptions, $.cpp = false)));
ASSERT_EQUALS("void f ( ) { if ( foo ( ) && q ) { ; } }",
tok("void f() { if (foo() and q) ; }", dinit(TokOptions, $.cpp = false)));
ASSERT_EQUALS("void f ( ) { if ( foo ( ) && bar ( ) ) { ; } }",
tok("void f() { if (foo() and bar()) ; }", dinit(TokOptions, $.cpp = false)));
ASSERT_EQUALS("void f ( ) { if ( p && bar ( ) ) { ; } }",
tok("void f() { if (p and bar()) ; }", dinit(TokOptions, $.cpp = false)));
ASSERT_EQUALS("void f ( ) { if ( p && ! q ) { ; } }",
tok("void f() { if (p and not q) ; }", dinit(TokOptions, $.cpp = false)));
ASSERT_EQUALS("void f ( ) { r = a && b ; }",
tok("void f() { r = a and b; }", dinit(TokOptions, $.cpp = false)));
ASSERT_EQUALS("void f ( ) { r = ( a || b ) && ( c || d ) ; }",
tok("void f() { r = (a || b) and (c || d); }", dinit(TokOptions, $.cpp = false)));
ASSERT_EQUALS("void f ( ) { if ( test1 [ i ] == 'A' && test2 [ i ] == 'C' ) { } }",
tok("void f() { if (test1[i] == 'A' and test2[i] == 'C') {} }", dinit(TokOptions, $.cpp = false)));
}
void or1() {
ASSERT_EQUALS("void f ( ) { if ( p || q ) { ; } }",
tok("void f() { if (p or q) ; }", dinit(TokOptions, $.cpp = false)));
ASSERT_EQUALS("void f ( ) { if ( foo ( ) || q ) { ; } }",
tok("void f() { if (foo() or q) ; }", dinit(TokOptions, $.cpp = false)));
ASSERT_EQUALS("void f ( ) { if ( foo ( ) || bar ( ) ) { ; } }",
tok("void f() { if (foo() or bar()) ; }", dinit(TokOptions, $.cpp = false)));
ASSERT_EQUALS("void f ( ) { if ( p || bar ( ) ) { ; } }",
tok("void f() { if (p or bar()) ; }", dinit(TokOptions, $.cpp = false)));
ASSERT_EQUALS("void f ( ) { if ( p || ! q ) { ; } }",
tok("void f() { if (p or not q) ; }", dinit(TokOptions, $.cpp = false)));
ASSERT_EQUALS("void f ( ) { r = a || b ; }",
tok("void f() { r = a or b; }", dinit(TokOptions, $.cpp = false)));
ASSERT_EQUALS("void f ( ) { r = ( a && b ) || ( c && d ) ; }",
tok("void f() { r = (a && b) or (c && d); }", dinit(TokOptions, $.cpp = false)));
}
void cAlternativeTokens() {
ASSERT_EQUALS("void f ( ) { err |= ( ( r & s ) && ! t ) ; }",
tok("void f() { err or_eq ((r bitand s) and not t); }", dinit(TokOptions, $.cpp = false)));
ASSERT_EQUALS("void f ( ) const { r = f ( a [ 4 ] | 0x0F , ~ c , ! d ) ; }",
tok("void f() const { r = f(a[4] bitor 0x0F, compl c, not d) ; }", dinit(TokOptions, $.cpp = false)));
}
void comma_keyword() {
{
const char code[] = "void foo()\n"
"{\n"
" char *a, *b;\n"
" delete a, delete b;\n"
"}\n";
ASSERT_EQUALS("void foo ( ) { char * a ; char * b ; delete a , delete b ; }", tok(code));
}
{
const char code[] = "void foo()\n"
"{\n"
" struct A *a, *b;\n"
"}\n";
ASSERT_EQUALS("void foo ( ) { struct A * a ; struct A * b ; }", tok(code));
}
{
const char code[] = "void foo()\n"
"{\n"
" struct A **a, **b;\n"
"}\n";
ASSERT_EQUALS("void foo ( ) { struct A * * a ; struct A * * b ; }", tok(code));
}
{
const char code[] = "void foo()\n"
"{\n"
" char *a, *b;\n"
" delete a, b;\n"
"}\n";
ASSERT_EQUALS("void foo ( ) { char * a ; char * b ; delete a , b ; }", tok(code));
}
{
const char code[] = "void foo()\n"
"{\n"
" char *a, *b, *c;\n"
" delete a, b, c;\n"
"}\n";
// delete a; b; c; would be better but this will do too
ASSERT_EQUALS("void foo ( ) { char * a ; char * b ; char * c ; delete a , b , c ; }", tok(code));
}
{
const char code[] = "void foo()\n"
"{\n"
" char *a, *b;\n"
" if (x)\n"
" delete a, b;\n"
"}\n";
ASSERT_EQUALS("void foo ( ) { char * a ; char * b ; if ( x ) { delete a , b ; } }", tok(code));
}
{
const char code[] = "void foo()\n"
"{\n"
" char *a, *b, *c;\n"
" if (x) \n"
" delete a, b, c;\n"
"}\n";
// delete a; b; c; would be better but this will do too
ASSERT_EQUALS("void foo ( ) { char * a ; char * b ; char * c ; if ( x ) { delete a , b , c ; } }", tok(code));
}
{
const char code[] = "void foo()\n"
"{\n"
" char **a, **b, **c;\n"
"}\n";
ASSERT_EQUALS("void foo ( ) { char * * a ; char * * b ; char * * c ; }", tok(code));
}
{
const char code[] = "void foo()\n"
"{\n"
" delete [] a, a = 0;\n"
"}\n";
ASSERT_EQUALS("void foo ( ) { delete [ ] a , a = 0 ; }", tok(code));
}
{
const char code[] = "void foo()\n"
"{\n"
" delete a, a = 0;\n"
"}\n";
ASSERT_EQUALS("void foo ( ) { delete a , a = 0 ; }", tok(code));
}
{
const char code[] = "void foo()\n"
"{\n"
" if( x ) delete a, a = 0;\n"
"}\n";
ASSERT_EQUALS("void foo ( ) { if ( x ) { delete a , a = 0 ; } }", tok(code));
}
{
const char code[] = "void f()\n"
"{\n"
" for(int a,b; a < 10; a = a + 1, b = b + 1);\n"
"}\n";
ASSERT_EQUALS("void f ( ) { for ( int a , b ; a < 10 ; a = a + 1 , b = b + 1 ) { ; } }", tok(code));
}
{
const char code[] = "void f()\n"
"{\n"
" char buf[BUFSIZ], **p;\n"
" char *ptrs[BUFSIZ], **pp;\n"
"}\n";
ASSERT_EQUALS("void f ( ) { char buf [ BUFSIZ ] ; char * * p ; char * ptrs [ BUFSIZ ] ; char * * pp ; }", tok(code));
}
{
// #4786 - don't replace , with ; in ".. : public B, C .." code
const char code[] = "template < class T = X > class A : public B , C { } ;";
ASSERT_EQUALS(code, tok(code));
}
}
void simplifyOperator1() {
// #3237 - error merging namespaces with operators
const char code[] = "class c {\n"
"public:\n"
" operator std::string() const;\n"
" operator string() const;\n"
"};\n";
const char expected[] = "class c { "
"public: "
"operatorstd::string ( ) const ; "
"operatorstring ( ) const ; "
"} ;";
ASSERT_EQUALS(expected, tok(code));
}
void simplifyOperator2() {
// #6576
ASSERT_EQUALS("template < class T > class SharedPtr { "
"SharedPtr & operator= ( const SharedPtr < Y > & r ) ; "
"} ; "
"class TClass { "
"public: TClass & operator= ( const TClass & rhs ) ; "
"} ; "
"TClass :: TClass ( const TClass & other ) { operator= ( other ) ; }",
tok("template<class T>\n"
" class SharedPtr {\n"
" SharedPtr& operator=(SharedPtr<Y> const & r);\n"
"};\n"
"class TClass {\n"
"public:\n"
" TClass& operator=(const TClass& rhs);\n"
"};\n"
"TClass::TClass(const TClass &other) {\n"
" operator=(other);\n"
"}"));
}
void simplifyArrayAccessSyntax() {
ASSERT_EQUALS("\n\n##file 0\n"
"1: int a@1 ; a@1 [ 13 ] ;\n", tokenizeDebugListing("int a; 13[a];"));
}
void pointeralias1() {
{
const char code[] = "void f(char *p1)\n"
"{\n"
" char *p = p1;\n"
" p1 = 0;"
" x(p);\n"
"}\n";
const char expected[] = "void f ( char * p1 ) "
"{ "
"char * p ; p = p1 ; "
"p1 = 0 ; "
"x ( p ) ; "
"}";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "void foo(Result* ptr)\n"
"{\n"
" Result* obj = ptr;\n"
" ++obj->total;\n"
"}\n";
const char expected[] = "void foo ( Result * ptr ) "
"{ "
"Result * obj ; obj = ptr ; "
"++ obj . total ; "
"}";
ASSERT_EQUALS(expected, tok(code));
}
}
void pointeralias3() {
const char code[] = "void f()\n"
"{\n"
" int i, j, *p;\n"
" if (ab) p = &i;\n"
" else p = &j;\n"
" *p = 0;\n"
"}\n";
const char expected[] = "void f ( ) "
"{"
" int i ; int j ; int * p ;"
" if ( ab ) { p = & i ; }"
" else { p = & j ; }"
" * p = 0 ; "
"}";
ASSERT_EQUALS(expected, tok(code));
}
void simplifyStructDecl1() {
{
const char code[] = "struct ABC { } abc;";
const char expected[] = "struct ABC { } ; struct ABC abc ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "struct ABC { } * pabc;";
const char expected[] = "struct ABC { } ; struct ABC * pabc ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "struct ABC { } abc[4];";
const char expected[] = "struct ABC { } ; struct ABC abc [ 4 ] ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "struct ABC { } abc, def;";
const char expected[] = "struct ABC { } ; struct ABC abc ; struct ABC def ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "struct ABC { } abc, * pabc;";
const char expected[] = "struct ABC { } ; struct ABC abc ; struct ABC * pabc ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "struct ABC { struct DEF {} def; } abc;";
const char expected[] = "struct ABC { struct DEF { } ; struct DEF def ; } ; struct ABC abc ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "struct { } abc;";
const char expected[] = "struct Anonymous0 { } ; struct Anonymous0 abc ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "struct { } * pabc;";
const char expected[] = "struct Anonymous0 { } ; struct Anonymous0 * pabc ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "struct { } abc[4];";
const char expected[] = "struct Anonymous0 { } ; struct Anonymous0 abc [ 4 ] ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "struct {int a;} const array[3] = {0};";
const char expected[] = "struct Anonymous0 { int a ; } ; struct Anonymous0 const array [ 3 ] = { 0 } ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "static struct {int a;} const array[3] = {0};";
const char expected[] = "struct Anonymous0 { int a ; } ; static struct Anonymous0 const array [ 3 ] = { 0 } ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "struct { } abc, def;";
const char expected[] = "struct Anonymous0 { } ; struct Anonymous0 abc ; struct Anonymous0 def ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "struct { } abc, * pabc;";
const char expected[] = "struct Anonymous0 { } ; struct Anonymous0 abc ; struct Anonymous0 * pabc ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "struct { struct DEF {} def; } abc;";
const char expected[] = "struct Anonymous0 { struct DEF { } ; struct DEF def ; } ; struct Anonymous0 abc ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "struct ABC { struct {} def; } abc;";
const char expected[] = "struct ABC { struct Anonymous0 { } ; struct Anonymous0 def ; } ; struct ABC abc ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "struct { struct {} def; } abc;";
const char expected[] = "struct Anonymous0 { struct Anonymous1 { } ; struct Anonymous1 def ; } ; struct Anonymous0 abc ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "union ABC { int i; float f; } abc;";
const char expected[] = "union ABC { int i ; float f ; } ; union ABC abc ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "struct ABC { struct {} def; };";
const char expected[] = "struct ABC { struct Anonymous0 { } ; struct Anonymous0 def ; } ;";
ASSERT_EQUALS(expected, tok(code));