# Copyright (c) 2001, Stanford University
# All rights reserved.
#
# See the file LICENSE.txt for information on redistributing this software.

from __future__ import print_function
import sys
import apiutil


apiutil.CopyrightC()

print("""

/* DO NOT EDIT - THIS FILE AUTOMATICALLY GENERATED BY spuchange.py SCRIPT */

#include "cr_spu.h"
#include "cr_error.h"

void crSPUChangeInterface(SPUDispatchTable *table, void *orig_func, void *new_func)
{
	struct _copy_list_node *temp;
	if (table->mark == 1)
	{
		return;
	}
	if (orig_func == new_func) 
	{
		return;
	}
	table->mark = 1;
""")

keys = apiutil.GetDispatchedFunctions(sys.argv[1]+"/APIspec.txt")
for func_name in keys:
	print('\tif ((uintptr_t)table->%s == (uintptr_t)orig_func)' % func_name)
	print('\t{')
	print('\t\ttable->%s = (%sFunc_t)(uintptr_t)new_func;' % (func_name, func_name))
	print('\t\tfor (temp = table->copyList ; temp ; temp = temp->next)')
	print('\t\t{')
	print('\t\t\tcrSPUChangeInterface(temp->copy, orig_func, new_func);')
	print('\t\t}')
	print('\t}')

print("""
	if (table->copy_of != NULL)
	{
		crSPUChangeInterface(table->copy_of, orig_func, new_func);
	}
	for (temp = table->copyList; temp; temp = temp->next)
	{
		crSPUChangeInterface(temp->copy, orig_func, new_func);
	}
	table->mark = 0;
""")
print('}')

print("""
void crSPUChangeDispatch(SPUDispatchTable *dispatch, const SPUNamedFunctionTable *newtable)
{
    SPUGenericFunction func;
""")
keys = apiutil.GetDispatchedFunctions(sys.argv[1]+"/APIspec.txt")
for func_name in keys:
    print('\tfunc = crSPUFindFunction(newtable, "%s");' % func_name)
    print('\tif (func && ((SPUGenericFunction)dispatch->%s!=func))' % func_name)
    print('\t{')
    print('\t\tcrDebug("%%s changed from %%p to %%p", "gl%s", (void *)(uintptr_t)dispatch->%s, (void *)(uintptr_t)func);' % (func_name, func_name))
    print('\t\tcrSPUChangeInterface(dispatch, (void *)(uintptr_t)dispatch->%s, (void *)(uintptr_t)func);' % func_name)
    print('\t}\n')
print("""
}
""")