migrate to gitlab

1 files changed, 32 insertions, 0 deletions

diff --git a/lex-ere.l b/lex-ere.l
new file mode 100644
index 0000000..424515d
--- /dev/null
+++ b/lex-ere.l
@@ -0,0 +1,32 @@
+%{
+#include "lex-ere.tab.h"
+%}
+%x CHARACTER_CLASS
+%%
+"[="	return Open_equal;
+"=]"	return Equal_close;
+"[."	return Open_dot;
+".]"	return Dot_close;
+j
+"[:"	{
+		BEGIN CHARACTER_CLASS;
+		return Open_colon;
+	}
+
+":]"	{
+		BEGIN INITIAL;
+		return Colon_close;
+	}
+
+<CHARACTER_CLASS>"alnum"	|
+<CHARACTER_CLASS>"alpha"	|
+<CHARACTER_CLASS>"blank"	|
+<CHARACTER_CLASS>"cntrl"	|
+<CHARACTER_CLASS>"digit"	|
+<CHARACTER_CLASS>"graph"	|
+<CHARACTER_CLASS>"lower"	|
+<CHARACTER_CLASS>"print"	|
+<CHARACTER_CLASS>"punct"	|
+<CHARACTER_CLASS>"space"	|
+<CHARACTER_CLASS>"upper"	|
+<CHARACTER_CLASS>"xdigit"	return class_name;