mirror of
https://github.com/RGBCube/serenity
synced 2025-07-25 11:07:45 +00:00
HackStudio: Start building a C++ lexer to help with syntax highlighting
This commit is contained in:
parent
51e655f903
commit
307cbf83c3
4 changed files with 242 additions and 0 deletions
61
DevTools/HackStudio/CppLexer.h
Normal file
61
DevTools/HackStudio/CppLexer.h
Normal file
|
@ -0,0 +1,61 @@
|
|||
#pragma once
|
||||
|
||||
#include <AK/StringView.h>
|
||||
#include <AK/Vector.h>
|
||||
|
||||
#define FOR_EACH_TOKEN_TYPE \
|
||||
__TOKEN(Invalid) \
|
||||
__TOKEN(Whitespace) \
|
||||
__TOKEN(PreprocessorStatement) \
|
||||
__TOKEN(LeftParen) \
|
||||
__TOKEN(RightParen) \
|
||||
__TOKEN(LeftCurly) \
|
||||
__TOKEN(RightCurly) \
|
||||
__TOKEN(LeftBracket) \
|
||||
__TOKEN(RightBracket) \
|
||||
__TOKEN(Comma) \
|
||||
__TOKEN(Asterisk) \
|
||||
__TOKEN(Semicolon) \
|
||||
__TOKEN(DoubleQuotedString) \
|
||||
__TOKEN(SingleQuotedString) \
|
||||
__TOKEN(Comment) \
|
||||
__TOKEN(Number) \
|
||||
__TOKEN(Keyword) \
|
||||
__TOKEN(Identifier)
|
||||
|
||||
struct CppToken {
|
||||
enum class Type {
|
||||
#define __TOKEN(x) x,
|
||||
FOR_EACH_TOKEN_TYPE
|
||||
#undef __TOKEN
|
||||
};
|
||||
|
||||
const char* to_string() const
|
||||
{
|
||||
switch (m_type) {
|
||||
#define __TOKEN(x) \
|
||||
case Type::x: \
|
||||
return #x;
|
||||
FOR_EACH_TOKEN_TYPE
|
||||
#undef __TOKEN
|
||||
}
|
||||
ASSERT_NOT_REACHED();
|
||||
}
|
||||
|
||||
Type m_type { Type::Invalid };
|
||||
StringView m_view;
|
||||
};
|
||||
|
||||
class CppLexer {
|
||||
public:
|
||||
CppLexer(const StringView&);
|
||||
|
||||
Vector<CppToken> lex();
|
||||
|
||||
private:
|
||||
char peek(int offset = 0) const;
|
||||
char consume();
|
||||
|
||||
StringView m_input;
|
||||
int m_index { 0 };
|
||||
};
|
Loading…
Add table
Add a link
Reference in a new issue