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Multiline Pragma Directive False Positive #369

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merged 1 commit into from
Sep 28, 2024
Merged

Multiline Pragma Directive False Positive #369

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2 changes: 1 addition & 1 deletion simplecpp.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -894,7 +894,7 @@ void simplecpp::TokenList::readfile(Stream &stream, const std::string &filename,

if (newlines > 0 ) {
const Token * const llTok = lastLineTok();
if (llTok && llTok->op == '#' && llTok->next && llTok->next->str() == "define" && llTok->next->next) {
if (llTok && llTok->op == '#' && llTok->next && (llTok->next->str() == "define" || llTok->next->str() == "pragma") && llTok->next->next) {
multiline += newlines;
location.adjust(s);
continue;
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17 changes: 17 additions & 0 deletions test.cpp
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Expand Up @@ -910,6 +910,21 @@ static void define_ifdef()

}

static void pragma_backslash()
{
const char code[] = "#pragma comment (longstring, \\\n"
"\"HEADER\\\n"
"This is a very long string that is\\\n"
"a multi-line string.\\\n"
"How much more do I have to say?\\\n"
"Well, be prepared, because the\\\n"
"story is just beginning. This is a test\\\n"
"string for demonstration purposes. \")\n";

simplecpp::OutputList outputList;
ASSERT_EQUALS("", preprocess(code, &outputList));
}

static void dollar()
{
ASSERT_EQUALS("$ab", readfile("$ab"));
Expand Down Expand Up @@ -2917,6 +2932,8 @@ int main(int argc, char **argv)
TEST_CASE(define_va_opt_4);
TEST_CASE(define_va_opt_5);

TEST_CASE(pragma_backslash); // multiline pragma directive

// UB: #ifdef as macro parameter
TEST_CASE(define_ifdef);

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