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improved testing of #line handling #505

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improved testing of #line handling #505

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1 change: 1 addition & 0 deletions simplecpp.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -715,6 +715,7 @@ void simplecpp::TokenList::readfile(Stream &stream, const std::string &filename,
location.fileIndex = fileIndex(strtok->str().substr(1U, strtok->str().size() - 2U));
location.line = 1U;
}
// TODO: add support for "# 3"
// #3 "file.c"
// #line 3 "file.c"
else if ((llNextToken->number &&
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77 changes: 77 additions & 0 deletions test.cpp
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Expand Up @@ -2061,6 +2061,77 @@ static void location5()
"int x ;", preprocess(code));
}

static void location6()
{
const char code[] =
"#line 3\n"
"__LINE__ __FILE__\n";
ASSERT_EQUALS("\n"
"\n"
"3 \"\"",
preprocess(code));
}

static void location7()
{
const char code[] =
"#line 3 \"file.c\"\n"
"__LINE__ __FILE__\n";
ASSERT_EQUALS("\n"
"#line 3 \"file.c\"\n"
"3 \"file.c\"",
preprocess(code));
}

static void location8()
{
const char code[] =
"# 3\n"
"__LINE__ __FILE__\n";
ASSERT_EQUALS("\n"
"2 \"\"", // TODO: should say 3
preprocess(code));
}

static void location9()
{
const char code[] =
"# 3 \"file.c\"\n"
"__LINE__ __FILE__\n";
ASSERT_EQUALS("\n"
"#line 3 \"file.c\"\n"
"3 \"file.c\"",
preprocess(code));
}

static void location10()
{
const char code[] =
"#line 3\n"
"__LINE__ __FILE__\n";
ASSERT_EQUALS("\n"
"\n" // TODO: should this have the #line marker?
"3 \"\"",
preprocess(code));
}

static void location11()
{
const char code[] =
"#line 3 \"file.c\"\n"
"__LINE__ __FILE__\n"
"#line 33 \"file2.c\"\n"
"__LINE__ __FILE__\n";
ASSERT_EQUALS("\n"
"#line 3 \"file.c\"\n"
"3 \"file.c\"\n"
"#line 33 \"file2.c\"\n"
"33 \"file2.c\"",
preprocess(code));
}

// TODO: test #file/#endfile

static void missingHeader1()
{
const char code[] = "#include \"notexist.h\"\n";
Expand Down Expand Up @@ -3489,6 +3560,12 @@ int main(int argc, char **argv)
TEST_CASE(location3);
TEST_CASE(location4);
TEST_CASE(location5);
TEST_CASE(location6);
TEST_CASE(location7);
TEST_CASE(location8);
TEST_CASE(location9);
TEST_CASE(location10);
TEST_CASE(location11);

TEST_CASE(missingHeader1);
TEST_CASE(missingHeader2);
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