summaryrefslogtreecommitdiff
path: root/tools/d2c/args/tokens.l
blob: 2a4ffb28da721b3b495019c6d8969268f9e06214 (plain)
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

%top {

#include "grammar.h"

}


%option noyywrap
%option nounput
%option noinput
%option yylineno
%option stack
%option noyy_top_state

%x binval
%x hexval


%%


%{

    /* Choix d'un des démarrages multiples */
    if (*init_token != ALLOW_ALL)
    {
        unsigned int first;
        first = *init_token;
        *init_token = ALLOW_ALL;
        return first;
    }

%}


[A-Za-z_][A-Za-z0-9_]*      {
                                if (strcmp(yytext, "NOT") == 0) return NOT;
                                else if (strcmp(yytext, "AND") == 0) return AND_LOG;
                                else if (strcmp(yytext, "EOR") == 0) return EOR;
                                else
                                {
                                    yylvalp->string = strdup(yytext);
                                    return NAME;
                                }
                            }

[0-9][0-9]*                 { yylvalp->integer = atoi(yytext); return NUMBER; }

"'"                         { yy_push_state(binval); }
<binval>[01][01]*           { yylvalp->string = strdup(yytext); return BINVAL; }
<binval>"'"                 { yy_pop_state(); }

\"[^\"]*\"                  { yylvalp->string = strndup(yytext + 1, strlen(yytext) - 2); printf("str = '%s'\n", yylvalp->string); return STRING; }

"0x"                        { yy_push_state(hexval); }
<hexval>[0-9a-f][0-9a-f]*   { yylvalp->string = strdup(yytext); yy_pop_state(); return HEXVAL; }

","                         { return COMMA; }
":"                         { return COLON; }
"&"                         { return AND_LOG; }
"=="                        { return EQ; }
"!="                        { return NE; }

"&&"                        { return AND_BOOL; }
"||"                        { return OR_BOOL; }

"("                         { yy_push_state(INITIAL); return OP; }
")"                         { yy_pop_state(); return CP; }

[ ]+                        { }


%%