1/*****************************************************************************/
2/* */
3/* wrappedcall.c */
4/* */
5/* WrappedCall management */
6/* */
7/* */
8/* */
9/* (C) 2017, Mega Cat Studios */
10/* */
11/* */
12/* This software is provided 'as-is', without any expressed or implied */
13/* warranty. In no event will the authors be held liable for any damages */
14/* arising from the use of this software. */
15/* */
16/* Permission is granted to anyone to use this software for any purpose, */
17/* including commercial applications, and to alter it and redistribute it */
18/* freely, subject to the following restrictions: */
19/* */
20/* 1. The origin of this software must not be misrepresented; you must not */
21/* claim that you wrote the original software. If you use this software */
22/* in a product, an acknowledgment in the product documentation would be */
23/* appreciated but is not required. */
24/* 2. Altered source versions must be plainly marked as such, and must not */
25/* be misrepresented as being the original software. */
26/* 3. This notice may not be removed or altered from any source */
27/* distribution. */
28/* */
29/*****************************************************************************/
30
31
32
33#include <stdarg.h>
34#include <string.h>
35
36/* common */
37#include "chartype.h"
38#include "check.h"
39#include "coll.h"
40#include "scanner.h"
41#include "intptrstack.h"
42#include "xmalloc.h"
43
44/* cc65 */
45#include "codeent.h"
46#include "error.h"
47#include "wrappedcall.h"
48
49
50
51/*****************************************************************************/
52/* Data */
53/*****************************************************************************/
54
55
56/* WrappedCalls */
57static IntPtrStack WrappedCalls;
58
59
60
61/*****************************************************************************/
62/* Code */
63/*****************************************************************************/
64
65
66
67void PushWrappedCall (void *Ptr, unsigned char Val)
68/* Push the current WrappedCall */
69{
70 if (IPS_IsFull (&WrappedCalls)) {
71 Error ("WrappedCall stack overflow");
72 } else {
73 IPS_Push (&WrappedCalls, Val, Ptr);
74 }
75}
76
77
78
79void PopWrappedCall (void)
80/* Remove the current WrappedCall */
81{
82 if (IPS_GetCount (&WrappedCalls) < 1) {
83 Error ("WrappedCall stack is empty");
84 } else {
85 IPS_Drop (&WrappedCalls);
86 }
87}
88
89
90
91void GetWrappedCall (void **Ptr, unsigned char *Val)
92/* Get the current WrappedCall */
93{
94 if (IPS_GetCount (&WrappedCalls) < 1) {
95 *Ptr = NULL;
96 *Val = 0;
97 } else {
98 long Temp;
99 IPS_Get (&WrappedCalls, &Temp, Ptr);
100 *Val = (unsigned char) Temp;
101 }
102}
103