]> Dogcows Code - chaz/openbox/blob - openbox/parse.y
rename the parse.yacc to parse.y
[chaz/openbox] / openbox / parse.y
1 %{
2 #include "parse.h"
3 #ifdef HAVE_STDIO_H
4 # include <stdio.h>
5 #endif
6
7 extern int yylex();
8
9 extern int yylineno;
10 extern FILE *yyin;
11
12 static char *path;
13 static union ParseToken t;
14
15 /* in parse.c */
16 void parse_token(ParseTokenType type, union ParseToken token);
17 void parse_set_section(char *section);
18 %}
19
20 %union ParseToken {
21 float real;
22 int integer;
23 char *string;
24 char *identifier;
25 gboolean bool;
26 char character;
27 }
28
29 %token <real> REAL
30 %token <integer> INTEGER
31 %token <string> STRING
32 %token <identifier> IDENTIFIER
33 %token <bool> BOOL
34 %token <character> '('
35 %token <character> ')'
36 %token <character> '{'
37 %token <character> '}'
38 %token <character> '='
39 %token <character> ','
40 %token <character> '\n'
41 %token INVALID
42
43 %%
44
45 sections:
46 | sections '[' IDENTIFIER ']' { parse_set_section($3); } '\n' lines
47 ;
48
49 lines:
50 | lines tokens '\n' { t.character = $3; parse_token(TOKEN_NEWLINE, t); }
51 ;
52
53 tokens:
54 tokens token
55 | token
56 ;
57
58 token:
59 REAL { t.real = $1; parse_token(TOKEN_REAL, t); }
60 | INTEGER { t.integer = $1; parse_token(TOKEN_INTEGER, t); }
61 | STRING { t.string = $1; parse_token(TOKEN_STRING, t); }
62 | IDENTIFIER { t.identifier = $1; parse_token(TOKEN_IDENTIFIER, t); }
63 | BOOL { t.bool = $1; parse_token(TOKEN_BOOL, t); }
64 | '(' { t.character = $1; parse_token(TOKEN_LBRACKET, t); }
65 | ')' { t.character = $1; parse_token(TOKEN_RBRACKET, t); }
66 | '{' { t.character = $1; parse_token(TOKEN_LBRACE, t); }
67 | '}' { t.character = $1; parse_token(TOKEN_RBRACE, t); }
68 | '=' { t.character = $1; parse_token(TOKEN_EQUALS, t); }
69 | ',' { t.character = $1; parse_token(TOKEN_COMMA, t); }
70 ;
71
72 %%
73
74 void yyerror(char *err) {
75 g_message("%s:%d: %s", path, yylineno, err);
76 }
77
78 void parse_rc()
79 {
80 /* try the user's rc */
81 path = g_build_filename(g_get_home_dir(), ".openbox", "rc3", NULL);
82 if ((yyin = fopen(path, "r")) == NULL) {
83 g_free(path);
84 /* try the system wide rc */
85 path = g_build_filename(RCDIR, "rc3", NULL);
86 if ((yyin = fopen(path, "r")) == NULL) {
87 g_warning("No rc2 file found!");
88 g_free(path);
89 return;
90 }
91 }
92
93 yylineno = 1;
94
95 yyparse();
96
97 g_free(path);
98 }
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