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LibCpp: Return empty TranslationUnit from Parser::parse() if no tokens exist

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Fixes #5704.
Fixes #5825.
Fixes #5827.
This commit is contained in:
Linus Groh 2021-03-16 18:45:51 +01:00 • committed by Andreas Kling
parent 8e84ca6b16
commit 6c8185151e
1 changed files with 2 additions and 0 deletions
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2
Userland/Libraries/LibCpp/Parser.cpp
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@ -75,6 +75,8 @@ void Parser::initialize_program_tokens(const StringView& program)
NonnullRefPtr<TranslationUnit> Parser::parse() NonnullRefPtr<TranslationUnit> Parser::parse()
{ {
SCOPE_LOGGER(); SCOPE_LOGGER();
if (m_tokens.is_empty())
return create_root_ast_node({}, {});
auto unit = create_root_ast_node(m_tokens.first().start(), m_tokens.last().end()); auto unit = create_root_ast_node(m_tokens.first().start(), m_tokens.last().end());
while (!done()) { while (!done()) {
if (match_comment()) { if (match_comment()) {