mirror of
https://github.com/badvision/lawless-legends.git
synced 2024-10-11 18:23:48 +00:00
73 lines
2.3 KiB
C
73 lines
2.3 KiB
C
//
|
|
// ACME - a crossassembler for producing 6502/65c02/65816 code.
|
|
// Copyright (C) 1998-2006 Marco Baye
|
|
// Have a look at "acme.c" for further info
|
|
//
|
|
// Input stuff
|
|
#ifndef input_H
|
|
#define input_H
|
|
|
|
#include <stdio.h>
|
|
|
|
|
|
// type definitions
|
|
|
|
// values for input_t component "Src.State"
|
|
enum inputstate_t {
|
|
INPUTSTATE_NORMAL, // everything's fine
|
|
INPUTSTATE_AGAIN, // re-process last byte
|
|
INPUTSTATE_SKIPBLANKS, // shrink multiple spaces
|
|
INPUTSTATE_LF, // send start-of-line after end-of-statement
|
|
INPUTSTATE_CR, // same, but also remember to skip LF
|
|
INPUTSTATE_SKIPLF, // skip LF if that's next
|
|
INPUTSTATE_COMMENT, // skip characters until newline or EOF
|
|
INPUTSTATE_EOB, // send end-of-block after end-of-statement
|
|
INPUTSTATE_EOF, // send end-of-file after end-of-statement
|
|
};
|
|
typedef struct {
|
|
const char* original_filename;// during RAM reads, too
|
|
int line_number; // in file (on RAM reads, too)
|
|
bool source_is_ram; // TRUE if RAM, FALSE if file
|
|
enum inputstate_t state; // state of input
|
|
union {
|
|
FILE* fd; // file descriptor
|
|
char* ram_ptr; // RAM read ptr (loop or macro block)
|
|
} src;
|
|
} input_t;
|
|
|
|
|
|
// Constants
|
|
extern const char FILE_READBINARY[];
|
|
// Special characters
|
|
// The program *heavily* relies on CHAR_EOS (end of statement) being 0x00!
|
|
#define CHAR_EOS (0) // end of statement (in high-level format)
|
|
#define CHAR_SOB '{' // start of block
|
|
#define CHAR_EOB '}' // end of block
|
|
#define CHAR_SOL (10) // start of line (in high-level format)
|
|
#define CHAR_EOF (13) // end of file (in high-level format)
|
|
// If the characters above are changed, don't forget to adjust Byte_flags[]!
|
|
|
|
|
|
// Variables
|
|
extern input_t* Input_now; // current input structure
|
|
|
|
|
|
// Prototypes
|
|
extern void Input_init(void);
|
|
extern void Input_new_file(const char* filename, FILE* fd);
|
|
extern char GetByte(void);
|
|
extern char GetQuotedByte(void);
|
|
extern void Input_skip_remainder(void);
|
|
extern void Input_ensure_EOS(void);
|
|
extern char* Input_skip_or_store_block(bool store);
|
|
extern void Input_until_terminator(char terminator);
|
|
extern int Input_append_keyword_to_global_dynabuf(void);// returns length
|
|
extern int Input_read_zone_and_keyword(zone_t*);
|
|
extern int Input_read_keyword(void);// returns length
|
|
extern int Input_read_and_lower_keyword(void);// returns length
|
|
extern char* Input_read_filename(bool library_allowed);
|
|
extern bool Input_accept_comma(void);// skips spaces before and after
|
|
|
|
|
|
#endif
|