Modules/newmodule.c

/***********************************************************
Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
The Netherlands.

                        All Rights Reserved

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documentation for any purpose and without fee is hereby granted, 
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******************************************************************/

/* Module new -- create new objects of various types */

#include "allobjects.h"
#include "compile.h"
#include "modsupport.h"

static char new_im_doc[] =
"Create a instance method object from (FUNCTION, INSTANCE, CLASS).";

static object *
new_instancemethod(unused, args)
	object* unused;
	object* args;
{
	object* func;
	object* self;
	object* classObj;

	if (!newgetargs(args, "O!O!O!",
			&Functype, &func,
			&Instancetype, &self,
			&Classtype, &classObj))
		return NULL;
	return newinstancemethodobject(func, self, classObj);
}

static char new_function_doc[] =
"Create a function object from (CODE, GLOBALS, [NAME, ARGCOUNT, ARGDEFS]).";

static object *
new_function(unused, args)
	object* unused;
	object* args;
{
	object* code;
	object* globals;
	object* name = None;
	int argcount = -1;
	object* argdefs = None;
	funcobject* newfunc;

	if (!newgetargs(args, "O!O!|SiO!",
			&Codetype, &code,
			&Mappingtype, &globals,
			&name,
			&argcount,
			&Tupletype, &argdefs))
		return NULL;

	newfunc = (funcobject *)newfuncobject(code, globals);
	if (newfunc == NULL)
		return NULL;

	if (name != None) {
		XINCREF(name);
		XDECREF(newfunc->func_name);
		newfunc->func_name = name;
	}
	newfunc->func_argcount = argcount;
	if (argdefs != NULL) {
		XINCREF(argdefs);
		XDECREF(newfunc->func_argdefs);
		newfunc->func_argdefs  = argdefs;
	}

	return (object *)newfunc;
}

static char new_code_doc[] =
"Create a code object from (CODESTRING, CONSTANTS, NAMES, FILENAME, NAME).";

static object *
new_code(unused, args)
	object* unused;
	object* args;
{
	object* code;
	object* consts;
	object* names;
	object* filename;
	object* name;
  
	if (!newgetargs(args, "SO!O!SS",
			&code, &Tupletype, &consts, &Tupletype, &names,
			&filename, &name))
		return NULL;
	return (object *)newcodeobject(code, consts, names, filename, name);
}

static char new_module_doc[] =
"Create a module object from (NAME).";

static object *
new_module(unused, args)
	object* unused;
	object* args;
{
	char *name;
  
	if (!newgetargs(args, "s", &name))
		return NULL;
	return newmoduleobject(name);
}

static struct methodlist new_methods[] = {
	{"instancemethod",	new_instancemethod,	1, new_im_doc},
	{"function",		new_function,		1, new_function_doc},
	{"code",		new_code,		1, new_code_doc},
	{"module",		new_module,		1, new_module_doc},
	{NULL,			NULL}		/* sentinel */
};

char new_doc[] =
"Functions to create new objects used by the interpreter.\n\
\n\
You need to know a great deal about the interpreter to use this!";

void
initnew()
{
	initmodule3("new", new_methods, new_doc, (object *)NULL);
}