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AK: Added explanatory comments in GenericLexer.h

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Benoit Lormeau 2020-09-26 00:22:44 +02:00 committed by Andreas Kling
parent fd7a2278b9
commit 66481ad279
Notes: sideshowbarker 2024-07-19 02:13:10 +09:00 
Author: https://github.com/benit8
Commit: https://github.com/SerenityOS/serenity/commit/66481ad2799
Pull-request: https://github.com/SerenityOS/serenity/pull/3610
1 changed files with 8 additions and 2 deletions
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10
AK/GenericLexer.h
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@ -36,6 +36,7 @@ public:
explicit GenericLexer(const StringView& input);
virtual ~GenericLexer();
// A lambda/function can be used to match characters as the user pleases
using Condition = Function<bool(char)>;
size_t tell() const { return m_index; }
@ -82,8 +83,13 @@ constexpr auto is_any_of(const StringView& values)
return [values](auto c) { return values.contains(c); };
}
// ctype adaptors
// FIXME: maybe put them in an another file?
/*
* CType adapters: pass them as Conditions to a GenericLexer's methods
* Examples:
* - `if (lexer.next_is(is_digit))`
* - `auto name = lexer.consume_while(is_alphanum);
* - `lexer.ignore_until(is_any_of("<^>"))`
*/
bool is_alpha(char);
bool is_alphanum(char);
bool is_control(char);