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1472 lines (1266 loc) · 46.9 KB
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#include <iostream>
#include <sstream>
#include <vector>
#include "simplecpp.h"
int numberOfFailedAssertions = 0;
#define ASSERT_EQUALS(expected, actual) (assertEquals((expected), (actual), __LINE__))
static int assertEquals(const std::string &expected, const std::string &actual, int line)
{
if (expected != actual) {
numberOfFailedAssertions++;
std::cerr << "------ assertion failed ---------" << std::endl;
std::cerr << "line " << line << std::endl;
std::cerr << "expected:" << expected << std::endl;
std::cerr << "actual:" << actual << std::endl;
}
return (expected == actual);
}
static int assertEquals(const unsigned int &expected, const unsigned int &actual, int line)
{
return assertEquals(std::to_string(expected), std::to_string(actual), line);
}
static void testcase(const std::string &name, void (*f)(), int argc, char **argv)
{
if (argc == 1)
f();
else {
for (int i = 1; i < argc; i++) {
if (name == argv[i])
f();
}
}
}
#define TEST_CASE(F) (testcase(#F, F, argc, argv))
static std::string readfile(const char code[], int sz=-1, simplecpp::OutputList *outputList=nullptr)
{
std::istringstream istr(sz == -1 ? std::string(code) : std::string(code,sz));
std::vector<std::string> files;
return simplecpp::TokenList(istr,files,std::string(),outputList).stringify();
}
static std::string preprocess(const char code[], const simplecpp::DUI &dui, simplecpp::OutputList *outputList = NULL)
{
std::istringstream istr(code);
std::vector<std::string> files;
std::map<std::string, simplecpp::TokenList*> filedata;
simplecpp::TokenList tokens(istr,files);
tokens.removeComments();
simplecpp::TokenList tokens2(files);
simplecpp::preprocess(tokens2, tokens, files, filedata, dui, outputList);
return tokens2.stringify();
}
static std::string preprocess(const char code[])
{
return preprocess(code, simplecpp::DUI());
}
static std::string toString(const simplecpp::OutputList &outputList)
{
std::ostringstream ostr;
for (const simplecpp::Output &output : outputList) {
ostr << "file" << output.location.fileIndex << ',' << output.location.line << ',';
switch (output.type) {
case simplecpp::Output::Type::ERROR:
ostr << "#error,";
break;
case simplecpp::Output::Type::WARNING:
ostr << "#warning,";
break;
case simplecpp::Output::Type::MISSING_HEADER:
ostr << "missing_header,";
break;
case simplecpp::Output::Type::INCLUDE_NESTED_TOO_DEEPLY:
ostr << "include_nested_too_deeply,";
break;
case simplecpp::Output::Type::SYNTAX_ERROR:
ostr << "syntax_error,";
break;
case simplecpp::Output::Type::PORTABILITY_BACKSLASH:
ostr << "portability_backslash,";
break;
}
ostr << output.msg << '\n';
}
return ostr.str();
}
static void backslash()
{
// <backslash><space><newline> preprocessed differently
simplecpp::OutputList outputList;
readfile("//123 \\\n456", -1, &outputList);
ASSERT_EQUALS("", toString(outputList));
readfile("//123 \\ \n456", -1, &outputList);
ASSERT_EQUALS("file0,1,portability_backslash,Combination 'backslash space newline' is not portable.\n", toString(outputList));
outputList.clear();
readfile("#define A \\\n123", -1, &outputList);
ASSERT_EQUALS("", toString(outputList));
readfile("#define A \\ \n123", -1, &outputList);
ASSERT_EQUALS("file0,1,portability_backslash,Combination 'backslash space newline' is not portable.\n", toString(outputList));
}
static void builtin()
{
ASSERT_EQUALS("\"\" 1 0", preprocess("__FILE__ __LINE__ __COUNTER__"));
ASSERT_EQUALS("\n\n3", preprocess("\n\n__LINE__"));
ASSERT_EQUALS("\n\n0", preprocess("\n\n__COUNTER__"));
ASSERT_EQUALS("\n\n0 1", preprocess("\n\n__COUNTER__ __COUNTER__"));
ASSERT_EQUALS("\n0 + 0", preprocess("#define A(c) c+c\n"
"A(__COUNTER__)\n"));
ASSERT_EQUALS("\n0 + 0 + 1", preprocess("#define A(c) c+c+__COUNTER__\n"
"A(__COUNTER__)\n"));
}
static std::string testConstFold(const char code[])
{
std::istringstream istr(code);
std::vector<std::string> files;
simplecpp::TokenList expr(istr, files);
try {
expr.constFold();
} catch (std::exception &) {
return "exception";
}
return expr.stringify();
}
static void combineOperators_floatliteral()
{
ASSERT_EQUALS("1.", preprocess("1."));
ASSERT_EQUALS("1.f", preprocess("1.f"));
ASSERT_EQUALS(".1", preprocess(".1"));
ASSERT_EQUALS(".1f", preprocess(".1f"));
ASSERT_EQUALS("3.1", preprocess("3.1"));
ASSERT_EQUALS("1E7", preprocess("1E7"));
ASSERT_EQUALS("1E-7", preprocess("1E-7"));
ASSERT_EQUALS("1E+7", preprocess("1E+7"));
ASSERT_EQUALS("0x1E + 7", preprocess("0x1E+7"));
}
static void combineOperators_increment()
{
ASSERT_EQUALS("; ++ x ;", preprocess(";++x;"));
ASSERT_EQUALS("; x ++ ;", preprocess(";x++;"));
ASSERT_EQUALS("1 + + 2", preprocess("1++2"));
}
static void combineOperators_coloncolon()
{
ASSERT_EQUALS("x ? y : :: z", preprocess("x ? y : ::z"));
}
static void comment()
{
ASSERT_EQUALS("// abc", readfile("// abc"));
ASSERT_EQUALS("", preprocess("// abc"));
ASSERT_EQUALS("/*\n\n*/abc", readfile("/*\n\n*/abc"));
ASSERT_EQUALS("\n\nabc", preprocess("/*\n\n*/abc"));
ASSERT_EQUALS("* p = a / * b / * c ;", readfile("*p=a/ *b/ *c;"));
ASSERT_EQUALS("* p = a / * b / * c ;", preprocess("*p=a/ *b/ *c;"));
}
static void comment_multiline()
{
const char code[] = "#define ABC {// \\\n"
"}\n"
"void f() ABC\n";
ASSERT_EQUALS("\n\nvoid f ( ) { }", preprocess(code));
}
static void constFold()
{
ASSERT_EQUALS("7", testConstFold("1+2*3"));
ASSERT_EQUALS("15", testConstFold("1+2*(3+4)"));
ASSERT_EQUALS("123", testConstFold("+123"));
ASSERT_EQUALS("1", testConstFold("-123<1"));
ASSERT_EQUALS("6", testConstFold("14 & 7"));
ASSERT_EQUALS("29", testConstFold("13 ^ 16"));
ASSERT_EQUALS("25", testConstFold("24 | 1"));
ASSERT_EQUALS("2", testConstFold("1?2:3"));
ASSERT_EQUALS("exception", testConstFold("!1 ? 2 :"));
ASSERT_EQUALS("exception", testConstFold("?2:3"));
}
static void define1()
{
const char code[] = "#define A 1+2\n"
"a=A+3;";
ASSERT_EQUALS("# define A 1 + 2\n"
"a = A + 3 ;",
readfile(code));
ASSERT_EQUALS("\na = 1 + 2 + 3 ;",
preprocess(code));
}
static void define2()
{
const char code[] = "#define ADD(A,B) A+B\n"
"ADD(1+2,3);";
ASSERT_EQUALS("# define ADD ( A , B ) A + B\n"
"ADD ( 1 + 2 , 3 ) ;",
readfile(code));
ASSERT_EQUALS("\n1 + 2 + 3 ;",
preprocess(code));
}
static void define3()
{
const char code[] = "#define A 123\n"
"#define B A\n"
"A B";
ASSERT_EQUALS("# define A 123\n"
"# define B A\n"
"A B",
readfile(code));
ASSERT_EQUALS("\n\n123 123",
preprocess(code));
}
static void define4()
{
const char code[] = "#define A 123\n"
"#define B(C) A\n"
"A B(1)";
ASSERT_EQUALS("# define A 123\n"
"# define B ( C ) A\n"
"A B ( 1 )",
readfile(code));
ASSERT_EQUALS("\n\n123 123",
preprocess(code));
}
static void define5()
{
const char code[] = "#define add(x,y) x+y\n"
"add(add(1,2),3)";
ASSERT_EQUALS("\n1 + 2 + 3", preprocess(code));
}
static void define6()
{
const char code[] = "#define A() 1\n"
"A()";
ASSERT_EQUALS("\n1", preprocess(code));
}
static void define7()
{
const char code[] = "#define A(X) X+1\n"
"A(1 /*23*/)";
ASSERT_EQUALS("\n1 + 1", preprocess(code));
}
static void define8() // 6.10.3.10
{
const char code[] = "#define A(X) \n"
"int A[10];";
ASSERT_EQUALS("\nint A [ 10 ] ;", preprocess(code));
}
static void define9()
{
const char code[] = "#define AB ab.AB\n"
"AB.CD\n";
ASSERT_EQUALS("\nab . AB . CD", preprocess(code));
}
static void define_invalid_1()
{
std::istringstream istr("#define A(\nB\n");
std::vector<std::string> files;
std::map<std::string, simplecpp::TokenList*> filedata;
simplecpp::OutputList outputList;
simplecpp::TokenList tokens2(files);
simplecpp::preprocess(tokens2, simplecpp::TokenList(istr,files,"test.c"), files, filedata, simplecpp::DUI(), &outputList);
ASSERT_EQUALS("file0,1,syntax_error,Failed to parse #define\n", toString(outputList));
}
static void define_invalid_2()
{
std::istringstream istr("#define\nhas#");
std::vector<std::string> files;
std::map<std::string, simplecpp::TokenList*> filedata;
simplecpp::OutputList outputList;
simplecpp::TokenList tokens2(files);
simplecpp::preprocess(tokens2, simplecpp::TokenList(istr,files,"test.c"), files, filedata, simplecpp::DUI(), &outputList);
ASSERT_EQUALS("file0,1,syntax_error,Failed to parse #define\n", toString(outputList));
}
static void define_define_1()
{
const char code[] = "#define A(x) (x+1)\n"
"#define B A(\n"
"B(i))";
ASSERT_EQUALS("\n\n( ( i ) + 1 )", preprocess(code));
}
static void define_define_2()
{
const char code[] = "#define A(m) n=m\n"
"#define B(x) A(x)\n"
"B(0)";
ASSERT_EQUALS("\n\nn = 0", preprocess(code));
}
static void define_define_3()
{
const char code[] = "#define ABC 123\n"
"#define A(B) A##B\n"
"A(BC)";
ASSERT_EQUALS("\n\n123", preprocess(code));
}
static void define_define_4()
{
const char code[] = "#define FOO1()\n"
"#define TEST(FOO) FOO FOO()\n"
"TEST(FOO1)";
ASSERT_EQUALS("\n\nFOO1", preprocess(code));
}
static void define_define_5()
{
const char code[] = "#define X() Y\n"
"#define Y() X\n"
"A: X()()()\n";
// mcpp outputs "A: X()" and gcc/clang/vc outputs "A: Y"
ASSERT_EQUALS("\n\nA : Y", preprocess(code)); // <- match the output from gcc/clang/vc
}
static void define_define_6()
{
const char code1[] = "#define f(a) a*g\n"
"#define g f\n"
"a: f(2)(9)\n";
ASSERT_EQUALS("\n\na : 2 * f ( 9 )", preprocess(code1));
const char code2[] = "#define f(a) a*g\n"
"#define g(a) f(a)\n"
"a: f(2)(9)\n";
ASSERT_EQUALS("\n\na : 2 * 9 * g", preprocess(code2));
}
static void define_define_7()
{
const char code[] = "#define f(x) g(x\n"
"#define g(x) x()\n"
"f(f))\n";
ASSERT_EQUALS("\n\nf ( )", preprocess(code));
}
static void define_define_8() // line break in nested macro call
{
const char code[] = "#define A(X,Y) ((X)*(Y))\n"
"#define B(X,Y) ((X)+(Y))\n"
"B(0,A(255,x+\n"
"y))\n";
ASSERT_EQUALS("\n\n( ( 0 ) + ( ( ( 255 ) * ( x + y ) ) ) )", preprocess(code));
}
static void define_define_9() // line break in nested macro call
{
const char code[] = "#define A(X) X\n"
"#define B(X) X\n"
"A(\nB(dostuff(1,\n2)))\n";
ASSERT_EQUALS("\n\ndostuff ( 1 , 2 )", preprocess(code));
}
static void define_define_10()
{
const char code[] = "#define glue(a, b) a ## b\n"
"#define xglue(a, b) glue(a, b)\n"
"#define AB 1\n"
"#define B B 2\n"
"xglue(A, B)\n";
ASSERT_EQUALS("\n\n\n\n1 2", preprocess(code));
}
static void define_define_11()
{
const char code[] = "#define XY(x, y) x ## y\n"
"#define XY2(x, y) XY(x, y)\n"
"#define PORT XY2(P, 2)\n"
"#define ABC XY2(PORT, DIR)\n"
"ABC;\n";
ASSERT_EQUALS("\n\n\n\nP2DIR ;", preprocess(code));
}
static void define_define_12()
{
const char code[] = "#define XY(Z) Z\n"
"#define X(ID) X##ID(0)\n"
"X(Y)\n";
ASSERT_EQUALS("\n\n0", preprocess(code));
}
static void define_va_args_1()
{
const char code[] = "#define A(fmt...) dostuff(fmt)\n"
"A(1,2);";
ASSERT_EQUALS("\ndostuff ( 1 , 2 ) ;", preprocess(code));
}
static void define_va_args_2()
{
const char code[] = "#define A(X,...) X(#__VA_ARGS__)\n"
"A(f,123);";
ASSERT_EQUALS("\nf ( \"123\" ) ;", preprocess(code));
}
static void define_va_args_3() // min number of arguments
{
const char code[] = "#define A(x, y, z...) 1\n"
"A(1, 2)\n";
ASSERT_EQUALS("\n1", preprocess(code));
}
static void dollar()
{
ASSERT_EQUALS("$ab", readfile("$ab"));
ASSERT_EQUALS("a$b", readfile("a$b"));
}
static void dotDotDot()
{
ASSERT_EQUALS("1 . . . 2", readfile("1 ... 2"));
}
static void error()
{
std::istringstream istr("#error hello world! \n");
std::vector<std::string> files;
std::map<std::string, simplecpp::TokenList*> filedata;
simplecpp::OutputList outputList;
simplecpp::TokenList tokens2(files);
simplecpp::preprocess(tokens2, simplecpp::TokenList(istr,files,"test.c"), files, filedata, simplecpp::DUI(), &outputList);
ASSERT_EQUALS("file0,1,#error,#error hello world!\n", toString(outputList));
}
static void garbage()
{
const simplecpp::DUI dui;
simplecpp::OutputList outputList;
outputList.clear();
preprocess("#ifdef\n", dui, &outputList);
ASSERT_EQUALS("file0,1,syntax_error,Syntax error in #ifdef\n", toString(outputList));
outputList.clear();
preprocess("#define TEST2() A ##\nTEST2()\n", dui, &outputList);
ASSERT_EQUALS("file0,1,syntax_error,failed to expand 'TEST2', Invalid ## usage when expanding 'TEST2'.\n", toString(outputList));
outputList.clear();
preprocess("#define CON(a,b) a##b##\nCON(1,2)\n", dui, &outputList);
ASSERT_EQUALS("file0,1,syntax_error,failed to expand 'CON', Invalid ## usage when expanding 'CON'.\n", toString(outputList));
}
static void garbage_endif()
{
const simplecpp::DUI dui;
simplecpp::OutputList outputList;
outputList.clear();
preprocess("#elif A<0\n", dui, &outputList);
ASSERT_EQUALS("file0,1,syntax_error,#elif without #if\n", toString(outputList));
outputList.clear();
preprocess("#else\n", dui, &outputList);
ASSERT_EQUALS("file0,1,syntax_error,#else without #if\n", toString(outputList));
outputList.clear();
preprocess("#endif\n", dui, &outputList);
ASSERT_EQUALS("file0,1,syntax_error,#endif without #if\n", toString(outputList));
}
static void hash()
{
ASSERT_EQUALS("x = \"1\"", preprocess("x=#__LINE__"));
const char code[] = "#define a(x) #x\n"
"a(1)\n"
"a(2+3)";
ASSERT_EQUALS("\n"
"\"1\"\n"
"\"2+3\"", preprocess(code));
ASSERT_EQUALS("\n\"\\\"abc\\\\0\\\"\"", preprocess("#define str(x) #x\nstr(\"abc\\0\")\n"));
ASSERT_EQUALS("\n\n( \"123\" )",
preprocess("#define A(x) (x)\n"
"#define B(x) A(#x)\n"
"B(123)"));
}
static void hashhash1() // #4703
{
const char code[] = "#define MACRO( A, B, C ) class A##B##C##Creator {};\n"
"MACRO( B\t, U , G )";
ASSERT_EQUALS("\nclass BUGCreator { } ;", preprocess(code));
}
static void hashhash2()
{
const char code[] = "#define A(x) a##x\n"
"#define B 0\n"
"A(B)";
ASSERT_EQUALS("\n\naB", preprocess(code));
}
static void hashhash3()
{
const char code[] = "#define A(B) A##B\n"
"#define a(B) A(B)\n"
"a(A(B))";
ASSERT_EQUALS("\n\nAAB", preprocess(code));
}
static void hashhash4() // nonstandard gcc/clang extension for empty varargs
{
const char *code;
code = "#define A(x,y...) a(x,##y)\n"
"A(1)\n";
ASSERT_EQUALS("\na ( 1 )", preprocess(code));
code = "#define A(x, ...) a(x, ## __VA_ARGS__)\n"
"#define B(x, ...) A(x, ## __VA_ARGS__)\n"
"B(1);";
ASSERT_EQUALS("\n\na ( 1 ) ;", preprocess(code));
}
static void hashhash5()
{
ASSERT_EQUALS("x1", preprocess("x##__LINE__"));
}
static void hashhash6()
{
const char *code;
code = "#define A(X, ...) LOG(X, ##__VA_ARGS__)\n"
"A(1,(int)2)";
ASSERT_EQUALS("\nLOG ( 1 , ( int ) 2 )", preprocess(code));
code = "#define A(X, ...) LOG(X, ##__VA_ARGS__)\n"
"#define B(X, ...) A(X, ##__VA_ARGS__)\n"
"#define C(X, ...) B(X, ##__VA_ARGS__)\n"
"C(1,(int)2)";
ASSERT_EQUALS("\n\n\nLOG ( 1 , ( int ) 2 )", preprocess(code));
}
static void hashhash7() // # ## # (C standard; 6.10.3.3.p4)
{
const char *code;
code = "#define hash_hash # ## #\n"
"x hash_hash y";
ASSERT_EQUALS("\nx ## y", preprocess(code));
}
static void ifdef1()
{
const char code[] = "#ifdef A\n"
"1\n"
"#else\n"
"2\n"
"#endif";
ASSERT_EQUALS("\n\n\n2", preprocess(code));
}
static void ifdef2()
{
const char code[] = "#define A\n"
"#ifdef A\n"
"1\n"
"#else\n"
"2\n"
"#endif";
ASSERT_EQUALS("\n\n1", preprocess(code));
}
static void ifndef()
{
const char code1[] = "#define A\n"
"#ifndef A\n"
"1\n"
"#endif";
ASSERT_EQUALS("", preprocess(code1));
const char code2[] = "#ifndef A\n"
"1\n"
"#endif";
ASSERT_EQUALS("\n1", preprocess(code2));
}
static void ifA()
{
const char code[] = "#if A==1\n"
"X\n"
"#endif";
ASSERT_EQUALS("", preprocess(code));
simplecpp::DUI dui;
dui.defines.push_back("A=1");
ASSERT_EQUALS("\nX", preprocess(code, dui));
}
static void ifCharLiteral()
{
const char code[] = "#if ('A'==0x41)\n"
"123\n"
"#endif";
ASSERT_EQUALS("\n123", preprocess(code));
}
static void ifDefined()
{
const char code[] = "#if defined(A)\n"
"X\n"
"#endif";
simplecpp::DUI dui;
ASSERT_EQUALS("", preprocess(code, dui));
dui.defines.push_back("A=1");
ASSERT_EQUALS("\nX", preprocess(code, dui));
}
static void ifDefinedNoPar()
{
const char code[] = "#if defined A\n"
"X\n"
"#endif";
simplecpp::DUI dui;
ASSERT_EQUALS("", preprocess(code, dui));
dui.defines.push_back("A=1");
ASSERT_EQUALS("\nX", preprocess(code, dui));
}
static void ifDefinedNested()
{
const char code[] = "#define FOODEF defined(FOO)\n"
"#if FOODEF\n"
"X\n"
"#endif";
simplecpp::DUI dui;
ASSERT_EQUALS("", preprocess(code, dui));
dui.defines.push_back("FOO=1");
ASSERT_EQUALS("\n\nX", preprocess(code, dui));
}
static void ifDefinedNestedNoPar()
{
const char code[] = "#define FOODEF defined FOO\n"
"#if FOODEF\n"
"X\n"
"#endif";
simplecpp::DUI dui;
ASSERT_EQUALS("", preprocess(code, dui));
dui.defines.push_back("FOO=1");
ASSERT_EQUALS("\n\nX", preprocess(code, dui));
}
static void ifDefinedInvalid1() // #50 - invalid unterminated defined
{
const char code[] = "#if defined(A";
simplecpp::DUI dui;
simplecpp::OutputList outputList;
std::vector<std::string> files;
simplecpp::TokenList tokens2(files);
std::istringstream istr(code);
std::map<std::string, simplecpp::TokenList*> filedata;
simplecpp::preprocess(tokens2, simplecpp::TokenList(istr,files), files, filedata, dui, &outputList);
ASSERT_EQUALS("file0,1,syntax_error,failed to evaluate #if condition\n", toString(outputList));
}
static void ifDefinedInvalid2()
{
const char code[] = "#if defined";
simplecpp::DUI dui;
simplecpp::OutputList outputList;
std::vector<std::string> files;
simplecpp::TokenList tokens2(files);
std::istringstream istr(code);
std::map<std::string, simplecpp::TokenList*> filedata;
simplecpp::preprocess(tokens2, simplecpp::TokenList(istr,files), files, filedata, dui, &outputList);
ASSERT_EQUALS("file0,1,syntax_error,failed to evaluate #if condition\n", toString(outputList));
}
static void ifLogical()
{
const char code[] = "#if defined(A) || defined(B)\n"
"X\n"
"#endif";
simplecpp::DUI dui;
ASSERT_EQUALS("", preprocess(code, dui));
dui.defines.clear();
dui.defines.push_back("A=1");
ASSERT_EQUALS("\nX", preprocess(code, dui));
dui.defines.clear();
dui.defines.push_back("B=1");
ASSERT_EQUALS("\nX", preprocess(code, dui));
}
static void ifSizeof()
{
const char code[] = "#if sizeof(unsigned short)==2\n"
"X\n"
"#else\n"
"Y\n"
"#endif";
ASSERT_EQUALS("\nX", preprocess(code));
}
static void elif()
{
const char code1[] = "#ifndef X\n"
"1\n"
"#elif 1<2\n"
"2\n"
"#else\n"
"3\n"
"#endif";
ASSERT_EQUALS("\n1", preprocess(code1));
const char code2[] = "#ifdef X\n"
"1\n"
"#elif 1<2\n"
"2\n"
"#else\n"
"3\n"
"#endif";
ASSERT_EQUALS("\n\n\n2", preprocess(code2));
const char code3[] = "#ifdef X\n"
"1\n"
"#elif 1>2\n"
"2\n"
"#else\n"
"3\n"
"#endif";
ASSERT_EQUALS("\n\n\n\n\n3", preprocess(code3));
}
static void ifif()
{
// source code from LLVM
const char code[] = "#if defined(__has_include)\n"
"#if __has_include(<sanitizer / coverage_interface.h>)\n"
"#endif\n"
"#endif\n";
ASSERT_EQUALS("", preprocess(code));
}
static void ifoverflow()
{
// source code from CLANG
const char code[] = "#if 0x7FFFFFFFFFFFFFFF*2\n"
"#endif\n"
"#if 0xFFFFFFFFFFFFFFFF*2\n"
"#endif\n"
"#if 0x7FFFFFFFFFFFFFFF+1\n"
"#endif\n"
"#if 0xFFFFFFFFFFFFFFFF+1\n"
"#endif\n"
"#if 0x7FFFFFFFFFFFFFFF--1\n"
"#endif\n"
"#if 0xFFFFFFFFFFFFFFFF--1\n"
"#endif\n"
"123";
(void)preprocess(code);
}
static void ifdiv0()
{
const char code[] = "#if 1000/0\n"
"#endif\n"
"123";
ASSERT_EQUALS("", preprocess(code));
}
static void ifalt() // using "and", "or", etc
{
const char *code;
code = "#if 1 and 1\n"
"1\n"
"#else\n"
"2\n"
"#endif\n";
ASSERT_EQUALS("\n1", preprocess(code));
code = "#if 1 or 0\n"
"1\n"
"#else\n"
"2\n"
"#endif\n";
ASSERT_EQUALS("\n1", preprocess(code));
}
static void missingHeader1()
{
const simplecpp::DUI dui;
std::istringstream istr("#include \"notexist.h\"\n");
std::vector<std::string> files;
std::map<std::string, simplecpp::TokenList*> filedata;
simplecpp::OutputList outputList;
simplecpp::TokenList tokens2(files);
simplecpp::preprocess(tokens2, simplecpp::TokenList(istr,files), files, filedata, dui, &outputList);
ASSERT_EQUALS("file0,1,missing_header,Header not found: \"notexist.h\"\n", toString(outputList));
}
static void missingHeader2()
{
const simplecpp::DUI dui;
std::istringstream istr("#include \"foo.h\"\n"); // this file exists
std::vector<std::string> files;
std::map<std::string, simplecpp::TokenList*> filedata;
filedata["foo.h"] = 0;
simplecpp::OutputList outputList;
simplecpp::TokenList tokens2(files);
simplecpp::preprocess(tokens2, simplecpp::TokenList(istr,files), files, filedata, dui, &outputList);
ASSERT_EQUALS("", toString(outputList));
}
static void missingHeader3()
{
const simplecpp::DUI dui;
std::istringstream istr("#ifdef UNDEFINED\n#include \"notexist.h\"\n#endif\n"); // this file is not included
std::vector<std::string> files;
std::map<std::string, simplecpp::TokenList*> filedata;
simplecpp::OutputList outputList;
simplecpp::TokenList tokens2(files);
simplecpp::preprocess(tokens2, simplecpp::TokenList(istr,files), files, filedata, dui, &outputList);
ASSERT_EQUALS("", toString(outputList));
}
static void nestedInclude()
{
std::istringstream istr("#include \"test.h\"\n");
std::vector<std::string> files;
simplecpp::TokenList rawtokens(istr,files,"test.h");
std::map<std::string, simplecpp::TokenList*> filedata;
filedata["test.h"] = &rawtokens;
const simplecpp::DUI dui;
simplecpp::OutputList outputList;
simplecpp::TokenList tokens2(files);
simplecpp::preprocess(tokens2, rawtokens, files, filedata, dui, &outputList);
ASSERT_EQUALS("file0,1,include_nested_too_deeply,#include nested too deeply\n", toString(outputList));
}
static void multiline1()
{
const char code[] = "#define A \\\n"
"1\n"
"A";
const simplecpp::DUI dui;
std::istringstream istr(code);
std::vector<std::string> files;
std::map<std::string, simplecpp::TokenList*> filedata;
simplecpp::TokenList tokens2(files);
simplecpp::preprocess(tokens2, simplecpp::TokenList(istr,files), files, filedata, dui);
ASSERT_EQUALS("\n\n1", tokens2.stringify());
}
static void multiline2()
{
const char code[] = "#define A /*\\\n"
"*/1\n"
"A";
const simplecpp::DUI dui;
std::istringstream istr(code);
std::vector<std::string> files;
simplecpp::TokenList rawtokens(istr,files);
ASSERT_EQUALS("# define A /**/ 1\n\nA", rawtokens.stringify());
rawtokens.removeComments();
std::map<std::string, simplecpp::TokenList*> filedata;
simplecpp::TokenList tokens2(files);
simplecpp::preprocess(tokens2, rawtokens, files, filedata, dui);
ASSERT_EQUALS("\n\n1", tokens2.stringify());
}
static void multiline3() // #28 - macro with multiline comment
{
const char code[] = "#define A /*\\\n"
" */ 1\n"
"A";
const simplecpp::DUI dui;
std::istringstream istr(code);
std::vector<std::string> files;
simplecpp::TokenList rawtokens(istr,files);
ASSERT_EQUALS("# define A /* */ 1\n\nA", rawtokens.stringify());
rawtokens.removeComments();
std::map<std::string, simplecpp::TokenList*> filedata;
simplecpp::TokenList tokens2(files);
simplecpp::preprocess(tokens2, rawtokens, files, filedata, dui);
ASSERT_EQUALS("\n\n1", tokens2.stringify());
}
static void multiline4() // #28 - macro with multiline comment
{
const char code[] = "#define A \\\n"
" /*\\\n"
" */ 1\n"
"A";
const simplecpp::DUI dui;
std::istringstream istr(code);
std::vector<std::string> files;
simplecpp::TokenList rawtokens(istr,files);
ASSERT_EQUALS("# define A /* */ 1\n\n\nA", rawtokens.stringify());
rawtokens.removeComments();
std::map<std::string, simplecpp::TokenList*> filedata;
simplecpp::TokenList tokens2(files);
simplecpp::preprocess(tokens2, rawtokens, files, filedata, dui);
ASSERT_EQUALS("\n\n\n1", tokens2.stringify());
}
static void multiline5() // column
{
const char code[] = "#define A\\\n"
"(";
const simplecpp::DUI dui;
std::istringstream istr(code);
std::vector<std::string> files;
simplecpp::TokenList rawtokens(istr,files);
ASSERT_EQUALS("# define A (", rawtokens.stringify());
ASSERT_EQUALS(11, rawtokens.back()->location.col);
}
static void include1()
{
const char code[] = "#include \"A.h\"\n";
ASSERT_EQUALS("# include \"A.h\"", readfile(code));
}
static void include2()
{
const char code[] = "#include <A.h>\n";
ASSERT_EQUALS("# include <A.h>", readfile(code));
}
static void include3() // #16 - crash when expanding macro from header
{
const char code_c[] = "#include \"A.h\"\n"
"glue(1,2,3,4)\n" ;
const char code_h[] = "#define glue(a,b,c,d) a##b##c##d\n";
std::vector<std::string> files;
std::istringstream istr_c(code_c);
simplecpp::TokenList rawtokens_c(istr_c, files, "A.c");
std::istringstream istr_h(code_h);
simplecpp::TokenList rawtokens_h(istr_h, files, "A.h");
ASSERT_EQUALS(2U, files.size());
ASSERT_EQUALS("A.c", files[0]);
ASSERT_EQUALS("A.h", files[1]);
std::map<std::string, simplecpp::TokenList *> filedata;
filedata["A.c"] = &rawtokens_c;
filedata["A.h"] = &rawtokens_h;
simplecpp::TokenList out(files);
simplecpp::preprocess(out, rawtokens_c, files, filedata, simplecpp::DUI());
ASSERT_EQUALS("\n1234", out.stringify());
}
static void include4() // #27 - -include
{
const char code_c[] = "X\n" ;
const char code_h[] = "#define X 123\n";
std::vector<std::string> files;
std::istringstream istr_c(code_c);
simplecpp::TokenList rawtokens_c(istr_c, files, "27.c");
std::istringstream istr_h(code_h);
simplecpp::TokenList rawtokens_h(istr_h, files, "27.h");