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LibCpp: Allow whitespace between # and preprocessor directive

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For example, '#    include <stdio.h>' is now supported by the Lexer.
This commit is contained in:
Itamar 2021-08-20 17:00:49 +03:00 committed by Andreas Kling
parent feab5e8a3e
commit 165a0082c4
Notes: sideshowbarker 2024-07-18 05:25:58 +09:00 
Author: https://github.com/itamar8910
Commit: https://github.com/SerenityOS/serenity/commit/165a0082c44
Pull-request: https://github.com/SerenityOS/serenity/pull/9528
Reviewed-by: https://github.com/alimpfard
1 changed files with 5 additions and 2 deletions
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7
Userland/Libraries/LibCpp/Lexer.cpp
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@ -528,13 +528,16 @@ Vector<Token> Lexer::lex()
if (ch == '#') {
begin_token();
consume();
while (AK::is_ascii_space(peek()))
consume();
size_t directive_start = m_index;
if (is_valid_first_character_of_identifier(peek()))
while (peek() && is_valid_nonfirst_character_of_identifier(peek()))
consume();
auto directive = StringView(m_input.characters_without_null_termination() + token_start_index, m_index - token_start_index);
if (directive == "#include") {
auto directive = StringView(m_input.characters_without_null_termination() + directive_start, m_index - directive_start);
if (directive == "include"sv) {
commit_token(Token::Type::IncludeStatement);
if (is_ascii_space(peek())) {