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LibRegex: Convert regex::Lexer to inherit from GenericLexer

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This will allow regex::Lexer users to invoke GenericLexer consumption
methods, such as GenericLexer::consume_escaped_codepoint().

This also allows for de-duplicating common methods between the lexers.
This commit is contained in:
Timothy Flynn
2021-08-18 14:10:08 -04:00
committed by Andreas Kling
parent dd44a5e948
commit 5ff9596678
3 changed files with 28 additions and 62 deletions
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4
Userland/Libraries/LibRegex/RegexParser.cpp
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@@ -101,7 +101,7 @@ ALWAYS_INLINE bool Parser::try_skip(StringView str)
size_t potentially_go_back { 0 };
for (auto ch : str) {
if (!m_parser_state.lexer.try_skip(ch)) {
if (!m_parser_state.lexer.consume_specific(ch)) {
m_parser_state.lexer.back(potentially_go_back);
return false;
}
@@ -129,7 +129,7 @@ ALWAYS_INLINE char Parser::skip()
ch = m_parser_state.current_token.value()[0];
} else {
m_parser_state.lexer.back(m_parser_state.current_token.value().length());
ch = m_parser_state.lexer.skip();
ch = m_parser_state.lexer.consume();
}
m_parser_state.current_token = m_parser_state.lexer.next();