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
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
/* 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 */
static char *hdr_comments = NULL;
static char *preamble = NULL;
static char *ifname;
int genjsbind_header_comment(char *comment)
{
char *fullstr;
int fulllen;
fulllen = strlen(hdr_comments) + strlen(comment) + HDR_COMMENT_SEP_LEN + 1;
fullstr = malloc(fulllen);
snprintf(fullstr, fulllen, "%s"HDR_COMMENT_SEP"%s", hdr_comments , comment);
free(hdr_comments);
free(comment);
hdr_comments = fullstr;
return 0;
}
int genjsbind_preamble(char *ccode)
{
char *fullstr;
int fulllen;
fulllen = strlen(preamble) + strlen(ccode) + 1;
fullstr = malloc(fulllen);
snprintf(fullstr, fulllen, "%s%s", preamble , ccode);
free(preamble);
free(ccode);
preamble = fullstr;
return 0;
}
int genjsbind_interface(char *interface)
{
ifname = interface;
return 0;
}
static void init_state(void)
{
/* initialise root node */
webidl_root = webidl_new_node(WEBIDL_NODE_TYPE_ROOT);
/* set default comment header text */
hdr_comments = strdup(HDR_COMMENT_PREABLE);
preamble = strdup("");
}
int genjsbind_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();
}
int genjsbind_output(char *outfilename)
{
FILE *outfile = NULL;
/* open output file */
if (outfilename == NULL) {
outfile = stdout;
} else {
outfile = fopen(outfilename, "w");
}
if (!outfile) {
fprintf(stderr, "Error opening output %s: %s\n",
outfilename,
strerror(errno));
return 4;
}
fprintf(outfile, "/* %s\n */\n\n", hdr_comments);
fprintf(outfile, "%s", preamble);
fprintf(outfile, "/* interface %s */\n\n", ifname);
fclose(outfile);
return 0;
}
|
