1 files changed, 74 insertions, 0 deletions
diff --git a/wiretap/ct-scanner.l b/wiretap/ct-scanner.l
new file mode 100644
index 0000000000..9da70d828e
--- /dev/null
+++ b/wiretap/ct-scanner.l
@@ -0,0 +1,74 @@
+%{
+#include <glib.h>
+#include <stdio.h>
+#include "ct-tokdefs.h"
+int lex_line_number = 1;
+%}
+
+N	([0-9]+|(0X|0x)[0-9A-Fa-f]+)
+B	[0-9A-Fa-f][0-9A-Fa-f]?
+W	[A-Za-z_]
+quoted	\"[^"\n]*["\n]
+
+%%
+
+\n		lex_line_number++;
+[\t ]+	/* eat whitespace */
+#.*		/* one-line shell-style comments */
+
+{quoted} {
+	yylval.s = g_string_new(yytext + 1);
+	g_string_truncate(yylval.s, strlen(yytext) - 2);
+/*	g_print("lex made QUOTED (%s)\n", yylval.s->str);*/
+	return QUOTED;
+}
+
+";"		return ';';
+","		return ',';
+"("		return '(';
+")"		return ')';
+"@"		return '@';
+"["		return '[';
+"]"		return ']';
+
+protocol		return PROTOCOL;
+parents			return PARENTS;
+field			return FIELD;
+alias			return ALIAS;
+
+boolean			return BOOLEAN;
+ether			return ETHER;
+uint8			return UINT8;
+uint16			return UINT16;
+uint32			return UINT32;
+byte			return BYTE;
+
+and_mask		return AND_MASK;
+byte_offset		return BYTE_OFFSET;
+either_of		return EITHER_OF;
+
+
+{N} {
+	yylval.d = atoi(yytext);
+	return NUMBER;
+}
+
+{W}+	{
+	yylval.s = g_string_new(yytext);
+/*	g_print("lex made TEXT (%s)\n", yylval.s->str);*/
+	return TEXT;
+	}
+
+%%
+
+int
+yywrap()
+{
+	return 1;
+}
+
+void yyerror(char *string)
+{
+	fprintf(stderr,"%s on line %d\n",string, lex_line_number);
+	exit(0);
+}