mirror of
https://github.com/uffejakobsen/acme.git
synced 2024-06-01 13:41:29 +00:00
beb875ff2b
git-svn-id: https://svn.code.sf.net/p/acme-crossass/code-0/trunk@244 4df02467-bbd4-4a76-a152-e7ce94205b78
87 lines
2.0 KiB
C
87 lines
2.0 KiB
C
// ACME - a crossassembler for producing 6502/65c02/65816/65ce02 code.
|
|
// Copyright (C) 1998-2020 Marco Baye
|
|
// Have a look at "acme.c" for further info
|
|
//
|
|
// Configuration
|
|
#ifndef config_H
|
|
#define config_H
|
|
|
|
|
|
// make sure the enum below works with strange compilers, too:
|
|
#ifdef FALSE
|
|
#undef FALSE
|
|
#endif
|
|
#ifdef TRUE
|
|
#undef TRUE
|
|
#endif
|
|
// types
|
|
typedef enum { FALSE = 0, TRUE } boolean; // yes, I could include <stdbool.h>, but this source should work with ancient compilers as well...
|
|
typedef unsigned int bits;
|
|
typedef unsigned int scope_t;
|
|
typedef signed long intval_t; // at least 32 bits
|
|
typedef unsigned long uintval_t; // just for logical shift right
|
|
enum numtype {
|
|
NUMTYPE_UNDEFINED,
|
|
NUMTYPE_INT,
|
|
NUMTYPE_FLOAT,
|
|
};
|
|
|
|
// structure for ints/floats
|
|
struct number {
|
|
enum numtype ntype;
|
|
bits flags; // FITS_IN_BYTE etc. (see alu.h)
|
|
union {
|
|
intval_t intval; // integer value
|
|
double fpval; // floating point value
|
|
} val;
|
|
int addr_refs; // address reference count (only look at this if value is DEFINED)
|
|
};
|
|
|
|
struct type;
|
|
struct string;
|
|
struct listitem;
|
|
// structure for ints/floats/lists/strings (anything that can be assigned to symbol)
|
|
struct object {
|
|
struct type *type;
|
|
union {
|
|
struct number number;
|
|
struct string *string;
|
|
struct listitem *listhead;
|
|
} u;
|
|
};
|
|
struct string {
|
|
int length;
|
|
int refs;
|
|
char payload[1]; // real structs are malloc'd to correct size
|
|
};
|
|
struct listitem {
|
|
struct listitem *next;
|
|
struct listitem *prev;
|
|
union {
|
|
struct {
|
|
int length; // this does not include the head element
|
|
int refs;
|
|
} listinfo; // if item is list head
|
|
struct object payload; // if item is not list head
|
|
} u;
|
|
};
|
|
|
|
// debugging flag, should be undefined in release version
|
|
// #define FDEBUG
|
|
|
|
// maximum nesting depth of "!src" and macro calls
|
|
// is not actually a limitation, but a means of finding recursions
|
|
#define MAX_NESTING 64
|
|
// default value for output buffer
|
|
#define FILLVALUE_INITIAL 0
|
|
// default value for "!fill"
|
|
#define FILLVALUE_FILL 0
|
|
|
|
// Nullpointer definition
|
|
#ifndef NULL
|
|
#define NULL ((void *) 0)
|
|
#endif
|
|
|
|
|
|
#endif
|