functions.h

/***************************************************************************
 *  NESHLA: The Nintendo Entertainment System High Level Assembler
 *  Copyright (C) 2003,2004,2005 Brian Provinciano, http://www.bripro.com
 *
 *  This program is free software. 
 *	You may use this code for anything you wish.
 *	It comes with no warranty.
 ***************************************************************************/

/******************************************************************************/
#ifndef functionsH
#define functionsH
/******************************************************************************/
#include "labels.h"
#include "output\banks.h"
#include "output\fixoffs.h"
/******************************************************************************/
#define FUNCFLAG_USED				0x8000
#define FUNCFLAG_NORET				0x4000
#define FUNCFLAG_MAKETYPE(funcFlags,subtype)\
			funcFlags = (funcFlags&0xFFFC) | (subtype&0x0003)
#define FUNCFLAG_GETTYPE(funcFlags)\
			(funcFlags & 0x0003)

enum {
	FUNCTYPE_FUNCTION,
    FUNCTYPE_INTERRUPT,
    FUNCTYPE_INLINE,

    FUNCTYPE_TOTAL
};

enum {
	INTTYPE_START,
    INTTYPE_NMI,
    INTTYPE_IRQ,

    INTTYPE_TOTAL
};

typedef struct _PARAM {
	struct _PARAM *prev;
   	DEFINE def;
} PARAM;

typedef struct _FUNC {
	struct _FUNC *prev,*next,*parent,*childFuncs;
    U16		type;
    U16		flags;
	S32 	offset;
    char	*label;
	BANK 	*bank;
    // for inline
    char 	*macDef;
	PARAM	*params;
    LABEL	*labels;
    FIXOFFS	*fixoffs;
} FUNC;
/******************************************************************************/
extern FUNC *functions,*curFunction,*curMacro,*macker;
extern char *szFuncTypes[], *szIntTypes[];

void 	FASTCALL FreeParameters(PARAM **pparams);
void 	FASTCALL FreeFunctions(FUNC **pfunc);
FUNC *	FASTCALL AddFunction(char *label, U16 type);
FUNC* 	FASTCALL ReleaseCurFunc(void);
FUNC* 	FASTCALL FindFunction(FUNC *func, char *label);
FUNC* 	FASTCALL FindFirstCurFunc(void);
FUNC* 	FASTCALL FindFirstFunction(FUNC *func);
int 	FASTCALL IsFuncType(char *label);
PARAM* 	FASTCALL FindParameterIndex(PARAM *param,int idx);
PARAM *	FASTCALL AddParameter(FUNC *func, char *str);
FUNC* 	FASTCALL MakeCurMacro(FUNC *ofmac);
FUNC* 	FASTCALL SetCurMacro(FUNC *newmac);
FUNC* 	FASTCALL ReleaseCurMacro(void);

PARAM *	FASTCALL SetParameter(FUNC *func, int num, char *str);
/******************************************************************************/
#endif
/******************************************************************************/