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1 /* Version: $Id$ */
2 /* Copyright: (c) Julian Smart */
3 /* Licence: wxWindows Licence */
4 %{
5 #include "wx/setup.h"
6 #include <string.h>
7 #ifdef _MSC_VER
8 #include <io.h>
9 #endif
10 #if defined(__GNUWIN32__) && !defined(__TWIN32__)
11 #include <sys/unistd.h>
12 #endif
13
14 #include "wx/deprecated/expr.h"
15
16 #ifndef __EXTERN_C__
17 #define __EXTERN_C__ 1
18 #endif
19
20 #if defined(__cplusplus) || defined(__STDC__)
21 #if defined(__cplusplus) && defined(__EXTERN_C__)
22 extern "C" {
23 #endif
24 #endif
25 int yylex(void);
26 int yylook(void);
27 int yywrap(void);
28 int yyback(int *, int);
29 void yyerror(char *);
30
31 /* You may need to put /DLEX_SCANNER in your makefile
32 * if you're using LEX!
33 */
34 void yyoutput(int);
35
36 #if defined(__cplusplus) || defined(__STDC__)
37 #if defined(__cplusplus) && defined(__EXTERN_C__)
38 }
39 #endif
40 #endif
41 %}
42
43 %union {
44 char *s;
45 /* struct pexpr *expr; */
46 }
47
48
49 %start commands
50
51 %token <s> INTEGER 1
52 %token <s> WORD 2
53 %token <s> STRING 3
54 %token <s> PERIOD 13
55 %token OPEN 4
56 %token CLOSE 5
57 %token COMMA 6
58 %token NEWLINE 7
59 %token ERROR 8
60 %token OPEN_SQUARE 9
61 %token CLOSE_SQUARE 10
62 %token EQUALS 11
63 %token EXP 14
64
65 /* %type <expr> command expr arglist arg arg1 */
66 %type <s> command expr arglist arg arg1
67
68 %%
69
70 commands : /* empty */
71 | commands command
72 ;
73
74 command : WORD PERIOD
75 {process_command(proio_cons(wxmake_word($1), NULL)); free($1);}
76 | expr PERIOD
77 {process_command($1);}
78 | error PERIOD
79 {syntax_error("Unrecognized command.");}
80 ;
81
82 expr : WORD OPEN arglist CLOSE
83 {$$ = proio_cons(wxmake_word($1), $3); free($1);}
84 | OPEN_SQUARE arglist CLOSE_SQUARE
85 {$$ = $2; }
86 ;
87
88 arglist :
89 {$$ = proio_cons(NULL, NULL);}
90 | arg
91 {$$ = proio_cons($1, NULL);}
92 |
93 arg COMMA arglist
94 {$$ = proio_cons($1, $3);}
95 ;
96
97 arg : WORD EQUALS arg1
98 {$$ = proio_cons(wxmake_word("="), proio_cons(wxmake_word($1), proio_cons($3, NULL)));
99 free($1); }
100 | arg1
101 {$$ = $1; }
102 ;
103
104 arg1 : WORD
105 {$$ = wxmake_word($1); free($1);}
106 | STRING
107 {$$ = wxmake_string($1); free($1);}
108 | INTEGER
109 {$$ = wxmake_integer($1); free($1);}
110 | INTEGER PERIOD INTEGER
111 {$$ = wxmake_real($1, $3); free($1); free($3); }
112 | INTEGER EXP INTEGER
113 {$$ = wxmake_exp($1, $3); free($1); free($3); }
114 |
115 INTEGER PERIOD INTEGER EXP INTEGER
116 {$$ = wxmake_exp2($1, $3, $5); free($1); free($3);
117 free($5); }
118
119 | expr
120 {$$ = $1;}
121 ;
122
123 %%
124
125 /* We include lexer.c if we are building for gtk, wine or motif
126 * and also whenever we are using configure (marked by __WX_SETUP_H__) for,
127 * for example, cross compilation. */
128 #if (defined(__WXGTK__) || defined(__WXWINE__) || defined(__WXMOTIF__)) || defined(__WX_SETUP_H__) && !defined(NO_CONFIGURE)
129 #include "lexer.c"
130 #elif defined(__WXMAC__) && defined(__APPLE__)
131 #include "lexer.c"
132 #elif defined(__MWERKS__)
133 #include "cwlex_yy.c"
134 #else
135 #include "lex_yy.c"
136 #endif
137
138 /*
139 void yyerror(s)
140 char *s;
141 {
142 syntax_error(s);
143 }
144 */
145
146 /* Ansi prototype. If this doesn't work for you... uncomment
147 the above instead.
148 */
149
150 void yyerror(char *s)
151 {
152 syntax_error(s);
153 }
154
155 /*
156 * Unfortunately, my DOS version of FLEX
157 * requires yywrap to be #def'ed, whereas
158 * the UNIX flex expects a proper function.
159 */
160
161 /* At least on alphaev6-dec-osf4.0e yywrap() must be #define'd.
162 * RL: ... but on Debian/Alpha(linux) it must not, so hopefully
163 * testing for __OSF__ here is what we really want.
164 */
165 #ifdef __OSF__
166 #ifndef yywrap
167 #define yywrap() 1
168 #endif
169 #else
170 /* HH: Added test for __WX_SETUP_H__ for gnuwin builds
171 * using configure */
172 #if !defined(__SC__) && !defined(__GNUWIN32__)
173 #ifdef USE_DEFINE
174 #ifndef yywrap
175 #define yywrap() 1
176 #endif
177 #elif !defined(__ultrix)
178 int yywrap() { return 1; }
179 #elif defined(__VMS__)
180 int yywrap() { return 1; }
181 #endif
182 #elif defined(__WX_SETUP_H__)
183 int yywrap() { return 1; }
184 #endif
185 #endif
186