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Support multiple separate attributes in front

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Fixes #60.
This commit is contained in:
Jonathan Müller 2018-12-18 13:44:39 +01:00
commit 40236f606b
2 changed files with 43 additions and 24 deletions
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52
src/libclang/cxtokenizer.cpp
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@ -207,33 +207,39 @@ CXSourceRange get_extent(const CXTranslationUnit& tu, const CXFile& file, const
|| kind == CXCursor_VarDecl || kind == CXCursor_FieldDecl || kind == CXCursor_ParmDecl
|| kind == CXCursor_NonTypeTemplateParameter)
{
auto save_begin = begin;
if (consume_if_token_before_is(tu, file, begin, "]]"))
while (token_before_is(tu, file, begin, "]]") || token_before_is(tu, file, begin, ")"))
{
while (!consume_if_token_before_is(tu, file, begin, "[["))
begin = get_prev_location(tu, file, begin, 1);
}
else if (consume_if_token_before_is(tu, file, begin, ")"))
{
// maybe alignas specifier
auto paren_count = 1;
for (auto last_begin = begin; paren_count != 0; last_begin = begin)
auto save_begin = begin;
if (consume_if_token_before_is(tu, file, begin, "]]"))
{
if (token_before_is(tu, file, begin, "("))
--paren_count;
else if (token_before_is(tu, file, begin, ")"))
++paren_count;
begin = get_prev_location(tu, file, begin, 1);
DEBUG_ASSERT(!clang_equalLocations(last_begin, begin),
detail::parse_error_handler{}, cur,
"infinite loop in alignas parsing");
while (!consume_if_token_before_is(tu, file, begin, "[["))
begin = get_prev_location(tu, file, begin, 1);
}
else if (consume_if_token_before_is(tu, file, begin, ")"))
{
// maybe alignas specifier
if (!consume_if_token_before_is(tu, file, begin, "alignas"))
// not alignas
begin = save_begin;
auto paren_count = 1;
for (auto last_begin = begin; paren_count != 0; last_begin = begin)
{
if (token_before_is(tu, file, begin, "("))
--paren_count;
else if (token_before_is(tu, file, begin, ")"))
++paren_count;
begin = get_prev_location(tu, file, begin, 1);
DEBUG_ASSERT(!clang_equalLocations(last_begin, begin),
detail::parse_error_handler{}, cur,
"infinite loop in alignas parsing");
}
if (!consume_if_token_before_is(tu, file, begin, "alignas"))
{
// not alignas
begin = save_begin;
break;
}
}
}
}