diff options
Diffstat (limited to 'grammar/rscript.l')
| -rw-r--r-- | grammar/rscript.l | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/grammar/rscript.l b/grammar/rscript.l index 18286d5e..dd86fbe9 100644 --- a/grammar/rscript.l +++ b/grammar/rscript.l @@ -1,3 +1,8 @@ +%option noyywrap nodefault case-insensitive + /*%option noyywrap nodefault case-insensitive */ + +%x OLDACT + /* old-style action expected -- need to parse differently */ %{ #include <libestr.h> %} @@ -5,8 +10,32 @@ %% -^[ \t]*[\*a-z]+.[!=;.\*a-z]+ { printf("PRI: '%s'\n", yytext); } -. { printf("%s", yytext); } +\$[a-z]+.*$ { printf("CFSYSLINE: '%s'\n", yytext); } + +^[ \t]*:\$?[a-z]+[ ]*,[ ]*!?[a-z]+[ ]*,[ ]*\".*\" { + printf("PROP-FILT: '%s'\n", yytext); + BEGIN OLDACT; + } + +^[ \t]*[,\*a-z]+\.[,!=;\.\*a-z]+ { printf("PRI-FILT: '%s'\n", yytext); + BEGIN OLDACT; + } + +#.*\n /* skip comments in input */ +.|\n { if(yytext[0] != '\n') printf("%s", yytext); } + +<OLDACT>\* | +<OLDACT>-\/[^ \t\n]+ | +<OLDACT>\|[^ \t\n]+ | +<OLDACT>\/[^ \t\n]+ { printf("old style action: '%s'\n", yytext); + BEGIN INITIAL; + } +<OLDACT>[ \t\n] +<OLDACT>.|\n { printf("invalid sequence in OLDACT mode: %s\n", + yytext); + } + + %% int |