migrate to gitlab

1 files changed, 65 insertions, 0 deletions

diff --git a/sh.l b/sh.l
new file mode 100644
index 0000000..539a251
--- /dev/null
+++ b/sh.l
@@ -0,0 +1,65 @@
+%{
+#include "sh.h"
+#include "sh.tab.h"
+/* thanks, flex, for implicitly declaring identifiers */
+/* bonus points for something that isn't part of ISO C */
+extern int fileno(FILE *);
+%}
+
+NAME [_a-zA-Z0-9]
+NONDIGIT [_a-zA-Z]
+DIGIT [0-9]
+WHITESPACE [ \t]
+OPERATOR [()|;&<>]
+
+%s FOR
+%x COMMENT
+
+%%
+
+"#"		{ BEGIN COMMENT; }
+<COMMENT>.	;
+<COMMENT>\n	{ BEGIN INITIAL; }
+
+"&&"/.	{ return AND_IF; }
+"||"/.	{ return OR_IF; }
+";;"/.	{ return DSEMI; }
+"<<"/.	{ return DLESS; }
+">>"/.	{ return DGREAT; }
+"<&"/.	{ return LESSAND; }
+">&"/.	{ return GREATAND; }
+"<>"/.	{ return LESSGREAT; }
+"<<-"/.	{ return DLESSDASH; }
+">|"/.	{ return CLOBBER; }
+
+"if"	{ return If; }
+"then"	{ return Then; }
+"else"	{ return Else; }
+"elif"	{ return Elif; }
+"fi"	{ return Fi; }
+"do"	{ return Do; }
+"done"	{ BEGIN INITIAL; return Done; }
+"case"	{ return Case; }
+"esac"	{ return Esac; }
+"while"	{ return While; }
+"until"	{ return Until; }
+"for"	{ BEGIN FOR; return For; }
+
+"{"	{ return Lbrace; }
+"}"	{ return Rbrace; }
+"!"	{ return Bang; }
+
+"in"	{ return In; }
+
+{OPERATOR}/.	{ return yytext[0]; }
+
+{DIGIT}+/<	{ yylval.n = atoi(yytext); return IO_NUMBER; }
+{DIGIT}+/>	{ yylval.n = atoi(yytext); return IO_NUMBER; }
+
+\n		{ return NEWLINE; }
+
+<FOR>{NONDIGIT}{NAME}*	{ yylval.s = yytext; return NAME; }
+
+[^ \t\n()|;&<>]+	{ yylval.s = yytext; return WORD; }
+
+{WHITESPACE}	;