1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
/*
* Mesa 3-D graphics library
* Version: 6.5
*
* Copyright (C) 2005-2006 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/**
* \file slang_compile_operation.c
* slang front-end compiler
* \author Michal Krol
*/
#include "imports.h"
#include "slang_compile.h"
/* slang_operation */
int slang_operation_construct (slang_operation *oper)
{
oper->type = slang_oper_none;
oper->children = NULL;
oper->num_children = 0;
oper->literal = (float) 0;
oper->a_id = SLANG_ATOM_NULL;
oper->locals = (slang_variable_scope *) slang_alloc_malloc (sizeof (slang_variable_scope));
if (oper->locals == NULL)
return 0;
_slang_variable_scope_ctr (oper->locals);
return 1;
}
void slang_operation_destruct (slang_operation *oper)
{
unsigned int i;
for (i = 0; i < oper->num_children; i++)
slang_operation_destruct (oper->children + i);
slang_alloc_free (oper->children);
slang_variable_scope_destruct (oper->locals);
slang_alloc_free (oper->locals);
}
int slang_operation_copy (slang_operation *x, const slang_operation *y)
{
slang_operation z;
unsigned int i;
if (!slang_operation_construct (&z))
return 0;
z.type = y->type;
z.children = (slang_operation *) slang_alloc_malloc (y->num_children * sizeof (slang_operation));
if (z.children == NULL)
{
slang_operation_destruct (&z);
return 0;
}
for (z.num_children = 0; z.num_children < y->num_children; z.num_children++)
if (!slang_operation_construct (&z.children[z.num_children]))
{
slang_operation_destruct (&z);
return 0;
}
for (i = 0; i < z.num_children; i++)
if (!slang_operation_copy (&z.children[i], &y->children[i]))
{
slang_operation_destruct (&z);
return 0;
}
z.literal = y->literal;
z.a_id = y->a_id;
if (!slang_variable_scope_copy (z.locals, y->locals))
{
slang_operation_destruct (&z);
return 0;
}
slang_operation_destruct (x);
*x = z;
return 1;
}
|
