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
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
/* binding generator AST implementation for parser
*
* This file is part of nsgenjsbind.
* Licensed under the MIT License,
* http://www.opensource.org/licenses/mit-license.php
* Copyright 2012 Vincent Sanders <vince@netsurf-browser.org>
*/
/** @todo this currently stuffs everything in one global tree, not very nice
*/
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include "genjsbind-ast.h"
#include "webidl-ast.h"
#include "options.h"
/* parser and lexer interface */
extern int genjsbind_debug;
extern int genjsbind__flex_debug;
extern void genjsbind_restart(FILE*);
extern int genjsbind_parse(void);
#define HDR_COMMENT_SEP "\n * "
#define HDR_COMMENT_SEP_LEN 4
#define HDR_COMMENT_PREABLE "Generated by nsgenjsapi"HDR_COMMENT_SEP
/* current state */
struct genbind_ast *genbind_ast;
int genbind_header_comment(char *comment)
{
char *fullstr;
int fulllen;
fulllen = strlen(genbind_ast->hdr_comments) +
strlen(comment) + HDR_COMMENT_SEP_LEN + 1;
fullstr = malloc(fulllen);
snprintf(fullstr, fulllen, "%s"HDR_COMMENT_SEP"%s", genbind_ast->hdr_comments , comment);
free(genbind_ast->hdr_comments);
free(comment);
genbind_ast->hdr_comments = fullstr;
return 0;
}
int genbind_preamble(char *ccode)
{
char *fullstr;
int fulllen;
fulllen = strlen(genbind_ast->preamble) + strlen(ccode) + 1;
fullstr = malloc(fulllen);
snprintf(fullstr, fulllen, "%s%s", genbind_ast->preamble , ccode);
free(genbind_ast->preamble);
free(ccode);
genbind_ast->preamble = fullstr;
return 0;
}
int genbind_interface(char *interface)
{
genbind_ast->ifname = interface;
return 0;
}
static void init_state(void)
{
/* allocate state */
genbind_ast = calloc(1, sizeof(struct genbind_ast));
/* initialise root IDL node */
webidl_root = webidl_new_node(WEBIDL_NODE_TYPE_ROOT);
/* set default comment header text */
genbind_ast->hdr_comments = strdup(HDR_COMMENT_PREABLE);
genbind_ast->preamble = strdup("");
}
int genbind_parsefile(char *infilename)
{
FILE *infile;
/* open input file */
if ((infilename[0] == '-') &&
(infilename[1] == 0)) {
if (options->verbose) {
printf("Using stdin for input\n");
}
infile = stdin;
} else {
if (options->verbose) {
printf("Opening binding file %s\n", options->infilename);
}
infile = fopen(infilename, "r");
}
if (!infile) {
fprintf(stderr, "Error opening %s: %s\n",
infilename,
strerror(errno));
return 3;
}
/* initialise internal state */
init_state();
if (options->debug) {
genjsbind_debug = 1;
genjsbind__flex_debug = 1;
}
/* set flex to read from file */
genjsbind_restart(infile);
/* process binding */
return genjsbind_parse();
}
|
