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#pragma once
#include <stddef.h>
#include <stdint.h>
enum TokenType
{
TOKEN_EOF,
TOKEN_IDENTIFIER,
TOKEN_INTEGER,
TOKEN_STRING,
TOKEN_CHAR,
TOKEN_CONST,
TOKEN_DATA,
TOKEN_PROC,
TOKEN_STACK,
TOKEN_IF,
TOKEN_GOTO,
TOKEN_SYSCALL,
TOKEN_EQUAL,
TOKEN_PLUS,
TOKEN_MINUS,
TOKEN_STAR,
TOKEN_SLASH,
TOKEN_CARET,
TOKEN_BANG,
TOKEN_LESS,
TOKEN_GREATER,
TOKEN_DOT,
TOKEN_COMMA,
TOKEN_COLON,
TOKEN_LEFT_PAREN,
TOKEN_RIGHT_PAREN,
TOKEN_LEFT_BRACKET,
TOKEN_RIGHT_BRACKET,
TOKEN_LEFT_BRACE,
TOKEN_RIGHT_BRACE,
TOKEN_EQUAL_EQUAL,
TOKEN_BANG_EQUAL,
TOKEN_PLUS_EQUAL,
TOKEN_MINUS_EQUAL,
TOKEN_STAR_EQUAL,
TOKEN_SLASH_EQUAL,
TOKEN_LESS_EQUAL,
TOKEN_GREATER_EQUAL,
TOKEN_UNKNOWN,
};
struct Token
{
enum TokenType type;
const char* start;
size_t length;
uint32_t line;
};
struct Lexer
{
const char* source;
const char* current;
uint32_t line;
};
struct Lexer create_lexer(const char* source);
struct Token scan_token(struct Lexer* lexer);
const char* token_type_name(enum TokenType type);
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