diff options
Diffstat (limited to 'tools/d2c/assert/tokens.l')
-rw-r--r-- | tools/d2c/assert/tokens.l | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/tools/d2c/assert/tokens.l b/tools/d2c/assert/tokens.l new file mode 100644 index 0000000..192bcc7 --- /dev/null +++ b/tools/d2c/assert/tokens.l @@ -0,0 +1,41 @@ + +%top { + +#include "grammar.h" + +} + + +%option noyywrap +%option nounput +%option noinput +%option yylineno +%option stack +%option noyy_top_state +%option noyy_push_state +%option noyy_pop_state + + +%% + + +[ \t\n] { } + +"==" { return EQ; } +"!=" { return NE; } + +"&&" { return AND; } +"||" { return OR; } + +[A-Za-z_][A-Za-z0-9_]* { yylvalp->string = strdup(yytext); return FIELD; } + +[01]+ { yylvalp->string = strdup(yytext); return VALUE; } + +. { + char *msg; + asprintf(&msg, "Unhandled token in d2c assert block: '%s'", yytext); + YY_FATAL_ERROR(msg); + free(msg); + } + +%% |