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
|
%{
#include "parse.h"
#ifdef HAVE_STDIO_H
# include <stdio.h>
#endif
extern int yylex();
extern int yylineno;
extern FILE *yyin;
static char *path;
static union ParseToken t;
/* in parse.c */
void parse_token(ParseTokenType type, union ParseToken token);
void parse_set_section(char *section);
%}
%union ParseToken {
float real;
int integer;
char *string;
char *identifier;
gboolean bool;
char character;
}
%token <real> REAL
%token <integer> INTEGER
%token <string> STRING
%token <identifier> IDENTIFIER
%token <bool> BOOL
%token <character> '('
%token <character> ')'
%token <character> '{'
%token <character> '}'
%token <character> '='
%token <character> ','
%token <character> '\n'
%token INVALID
%%
sections:
| sections '[' IDENTIFIER ']' { parse_set_section($3); } '\n' lines
;
lines:
| lines tokens '\n' { t.character = $3; parse_token(TOKEN_NEWLINE, t); }
;
tokens:
tokens token
| token
;
token:
REAL { t.real = $1; parse_token(TOKEN_REAL, t); }
| INTEGER { t.integer = $1; parse_token(TOKEN_INTEGER, t); }
| STRING { t.string = $1; parse_token(TOKEN_STRING, t); }
| IDENTIFIER { t.identifier = $1; parse_token(TOKEN_IDENTIFIER, t); }
| BOOL { t.bool = $1; parse_token(TOKEN_BOOL, t); }
| '(' { t.character = $1; parse_token(TOKEN_LBRACKET, t); }
| ')' { t.character = $1; parse_token(TOKEN_RBRACKET, t); }
| '{' { t.character = $1; parse_token(TOKEN_LBRACE, t); }
| '}' { t.character = $1; parse_token(TOKEN_RBRACE, t); }
| '=' { t.character = $1; parse_token(TOKEN_EQUALS, t); }
| ',' { t.character = $1; parse_token(TOKEN_COMMA, t); }
;
%%
void yyerror(char *err) {
g_message("%s:%d: %s", path, yylineno, err);
}
void parse_rc()
{
/* try the user's rc */
path = g_build_filename(g_get_home_dir(), ".openbox", "rc3", NULL);
if ((yyin = fopen(path, "r")) == NULL) {
g_free(path);
/* try the system wide rc */
path = g_build_filename(RCDIR, "rc3", NULL);
if ((yyin = fopen(path, "r")) == NULL) {
g_warning("No rc2 file found!");
g_free(path);
return;
}
}
yylineno = 1;
yyparse();
g_free(path);
}
|
