Skip comments instead of writing them to output

This simplifies parsing.
This commit is contained in:
Jonathan Müller 2017-04-12 15:09:42 +02:00
commit 4dc771ad6b

View file

@ -268,7 +268,7 @@ namespace
if (starts_with(p, " "))
// skip one whitespace at most
p.bump();
p.skip();
while (!starts_with(p, "*/"))
{
@ -278,27 +278,27 @@ namespace
while (!result.comment.empty() && result.comment.back() == ' ')
result.comment.pop_back();
// skip newline
p.bump();
p.skip();
result.comment += '\n';
// skip indentation
while (starts_with(p, " "))
p.bump();
p.skip();
// skip continuation star, if any
if (starts_with(p, "*") && !starts_with(p, "*/"))
{
p.bump();
p.skip();
if (starts_with(p, " "))
// skip one whitespace at most
p.bump();
p.skip();
}
}
else
{
result.comment += *p.ptr();
p.bump();
p.skip();
}
}
p.bump(2u);
p.skip(2u);
// remove trailing star
if (!result.comment.empty() && result.comment.back() == '*')
@ -311,23 +311,23 @@ namespace
return result;
}
bool bump_c_comment(position& p, detail::preprocessor_output& output, bool in_main_file)
bool skip_c_comment(position& p, detail::preprocessor_output& output, bool in_main_file)
{
if (!starts_with(p, "/*"))
return false;
p.bump(2u);
p.skip(2u);
if (in_main_file && starts_with(p, "*"))
{
// doc comment
p.bump();
p.skip();
output.comments.push_back(parse_c_doc_comment(p));
}
else
{
while (!starts_with(p, "*/"))
p.bump();
p.bump(2u);
p.skip();
p.skip(2u);
}
if (!starts_with(p, "\n"))
@ -347,12 +347,12 @@ namespace
end_of_line ? detail::pp_doc_comment::end_of_line : detail::pp_doc_comment::cpp;
if (starts_with(p, " "))
// skip one whitespace at most
p.bump();
p.skip();
while (!starts_with(p, "\n"))
{
result.comment += *p.ptr();
p.bump();
p.skip();
}
// don't skip newline
@ -383,30 +383,30 @@ namespace
}
}
bool bump_cpp_comment(position& p, detail::preprocessor_output& output, bool in_main_file)
bool skip_cpp_comment(position& p, detail::preprocessor_output& output, bool in_main_file)
{
if (!starts_with(p, "//"))
return false;
p.bump(2u);
p.skip(2u);
if (in_main_file && (starts_with(p, "/") || starts_with(p, "!")))
{
// C++ style doc comment
p.bump();
p.skip();
auto comment = parse_cpp_doc_comment(p, false);
merge_or_add(output, std::move(comment));
}
else if (in_main_file && starts_with(p, "<"))
{
// end of line doc comment
p.bump();
p.skip();
auto comment = parse_cpp_doc_comment(p, true);
output.comments.push_back(std::move(comment));
}
else
{
while (!starts_with(p, "\n"))
p.bump();
p.skip();
// don't skip newline
}
@ -695,9 +695,9 @@ detail::preprocessor_output detail::preprocess(const libclang_compile_config& co
break;
}
}
else if (bump_c_comment(p, result, file_depth == 0u))
else if (skip_c_comment(p, result, file_depth == 0u))
continue;
else if (bump_cpp_comment(p, result, file_depth == 0u))
else if (skip_cpp_comment(p, result, file_depth == 0u))
continue;
else
p.bump();