Include/compile.h

/***********************************************************
Copyright 1991, 1992 by Stichting Mathematisch Centrum, Amsterdam, The
Netherlands.

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documentation for any purpose and without fee is hereby granted, 
provided that the above copyright notice appear in all copies and that
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distribution of the software without specific, written prior permission.

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******************************************************************/

/* Definitions for compiled intermediate code */


/* An intermediate code fragment contains:
   - a string that encodes the instructions,
   - a list of the constants,
   - and a list of the names used. */

typedef struct {
	OB_HEAD
	stringobject *co_code;	/* instruction opcodes */
	object *co_consts;	/* list of immutable constant objects */
	object *co_names;	/* list of stringobjects */
	object *co_filename;	/* string */
} codeobject;

extern typeobject Codetype;

#define is_codeobject(op) ((op)->ob_type == &Codetype)


/* Public interface */
struct _node; /* Declare the existence of this type */
codeobject *compile PROTO((struct _node *, char *));
codeobject *newcodeobject PROTO((object *, object *, object *, object *));