Files
rgbds/include/asm/lexer.h
Antonio Niño Díaz 1a5c423984 Relicense codebase under MIT license
With permission from the main authors [1], most of the code has been
relicensed under the MIT license.

SPDX license identifiers are used so that the license headers in source
code files aren't too large.

Add CONTRIBUTORS.rst file.

[1] https://github.com/rednex/rgbds/issues/128

Signed-off-by: Antonio Niño Díaz <antonio_nd@outlook.com>
2018-01-26 22:59:02 +00:00

78 lines
1.9 KiB
C

/*
* This file is part of RGBDS.
*
* Copyright (c) 1997-2018, Carsten Sorensen and RGBDS contributors.
*
* SPDX-License-Identifier: MIT
*/
#ifndef RGBDS_ASM_LEXER_H
#define RGBDS_ASM_LEXER_H
#include <stdint.h>
#include <stdio.h>
#define LEXHASHSIZE (1 << 11)
#define MAXSTRLEN 255
struct sLexInitString {
char *tzName;
uint32_t nToken;
};
struct sLexFloat {
uint32_t (*Callback)(char *s, uint32_t size);
uint32_t nToken;
};
struct yy_buffer_state {
/* Actual starting address */
char *pBufferRealStart;
/* Address where the data is initially written after a safety margin */
char *pBufferStart;
char *pBuffer;
uint32_t nBufferSize;
uint32_t oAtLineStart;
};
enum eLexerState {
LEX_STATE_NORMAL,
LEX_STATE_MACROARGS
};
#define INITIAL 0
#define macroarg 3
typedef struct yy_buffer_state *YY_BUFFER_STATE;
void setup_lexer(void);
void yy_set_state(enum eLexerState i);
YY_BUFFER_STATE yy_create_buffer(FILE *f);
YY_BUFFER_STATE yy_scan_bytes(char *mem, uint32_t size);
void yy_delete_buffer(YY_BUFFER_STATE buf);
void yy_switch_to_buffer(YY_BUFFER_STATE buf);
uint32_t lex_FloatAlloc(const struct sLexFloat *tok);
void lex_FloatAddRange(uint32_t id, uint16_t start, uint16_t end);
void lex_FloatDeleteRange(uint32_t id, uint16_t start, uint16_t end);
void lex_FloatAddFirstRange(uint32_t id, uint16_t start, uint16_t end);
void lex_FloatDeleteFirstRange(uint32_t id, uint16_t start, uint16_t end);
void lex_FloatAddSecondRange(uint32_t id, uint16_t start, uint16_t end);
void lex_FloatDeleteSecondRange(uint32_t id, uint16_t start, uint16_t end);
void lex_Init(void);
void lex_AddStrings(const struct sLexInitString *lex);
void lex_SetBuffer(char *buffer, uint32_t len);
int yywrap(void);
uint32_t yylex(void);
void yyunput(char c);
void yyunputstr(char *s);
void yyskipbytes(uint32_t count);
void yyunputbytes(uint32_t count);
extern YY_BUFFER_STATE pCurrentBuffer;
void upperstring(char *s);
void lowerstring(char *s);
#endif /* RGBDS_ASM_LEXER_H */