cpython/Modules/newmodule.c

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

                        All Rights Reserved

Permission to use, copy, modify, and distribute this software and its 
documentation for any purpose and without fee is hereby granted, 
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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******************************************************************/

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

#include "allobjects.h"
#include "compile.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);
}

/* XXX These internal interfaces have changed -- who'll fix this code? */
#if 0

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;
}
#endif

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

static object *
new_code(unused, args)
	object* unused;
	object* args;
{
	int argcount;
	int nlocals;
	int flags;
	object* code;
	object* consts;
	object* names;
	object* varnames;
	object* filename;
	object* name;
  
#if 0
	if (!newgetargs(args, "SO!O!SS",
			&code, &Tupletype, &consts, &Tupletype, &names,
			&filename, &name))
		return NULL;
	return (object *)newcodeobject(code, consts, names, filename, name);
#else
	if (!newgetargs(args, "iiiSO!O!O!SS",
			&argcount, &nlocals, &flags,	/* These are new */
			&code, &Tupletype, &consts, &Tupletype, &names,
			&Tupletype, &varnames,		/* These are new */
			&filename, &name))
		return NULL;
	return (object *)newcodeobject(argcount, nlocals, flags,
		code, consts, names, varnames, filename, name);
#endif
}

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},
#if 0
	{"function",		new_function,		1, new_function_doc},
#endif
	{"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()
{
	initmodule4("new", new_methods, new_doc, (object *)NULL,
		    PYTHON_API_VERSION);
}