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move /src/as to /as and /src to /vm

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Henrik Hautakoski 2018-12-18 13:29:18 +01:00
parent 8ef4c7edcd
commit d73e2ab710
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25 changed files with 6 additions and 6 deletions
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src/as/lexer.h
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@ -1,95 +0,0 @@
/* lexer.h
*
* Copyright (C) 2018 Henrik Hautakoski <henrik@fiktivkod.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#ifndef ASM_LEXER_H
#define ASM_LEXER_H
#include <stdlib.h>
#include <stdint.h>
/**
* All token types.
*/
enum token_type {
TOKEN_EOI = -1,
TOKEN_EOL, // Newline
TOKEN_OPCODE_NOOP,
TOKEN_OPCODE_ADD,
TOKEN_OPCODE_MOVL,
TOKEN_OPCODE_MOVH,
TOKEN_OPCODE_LD,
TOKEN_OPCODE_SW,
TOKEN_OPCODE_BEQ,
TOKEN_OPCODE_JMP,
TOKEN_OPCODE_JR,
TOKEN_OPCODE_INT,
TOKEN_LABEL,
TOKEN_LABEL_DECL,
TOKEN_REG,
TOKEN_NUMBER,
TOKEN_ARG_SEP
};
/**
* Token structure.
*
* Holds information about a single token.
*/
struct token {
// Line number where the token was extracted from.
uint16_t lineno;
enum token_type type;
/*
* Token value, depending on type
* this can be a string or unsigned short
*/
union {
int8_t n;
char s[32];
} value;
};
/**
* Lexer state
*/
struct lexer {
uint16_t lineno; // current line number
FILE * fp; // File being lexed.
struct token token; // Current token
};
/**
* Initialize the lexer with a file pointer to the file
* that should be lexed.
*/
void lexer_init(struct lexer *lex, FILE *fp);
/**
* Advance the lexer to the next token.
*/
int lexer_get_next(struct lexer *lex);
/**
* For debugging, prints the token to standard output.
*/
void lexer_print_token(struct token *token);
#endif /* ASM_LEXER_H */