1 files changed, 51 insertions, 0 deletions
diff --git a/src/intersim/config.l b/src/intersim/config.l
new file mode 100644
index 0000000..a39b2b1
--- /dev/null
+++ b/src/intersim/config.l
@@ -0,0 +1,51 @@
+
+%{
+
+#include "booksim.hpp"
+#include <stdlib.h>
+#include <string>
+#include <cstring>
+
+#include "config_tab.hpp"
+#include "config_utils.hpp"
+
+void configerror(string msg);
+extern "C" int configwrap() { return 1; }
+
+extern int config_input(char *, int);
+#undef YY_INPUT
+#define YY_INPUT(b, r, ms) (r = config_input(b, ms))
+
+int configlineno = 1;
+
+%}
+
+%option nounput
+
+%%
+
+   /* Ignore comments and all spaces */
+
+\/\/[^\n]* ;
+[ \t\r]*   ;
+
+\n         { configlineno++; }
+
+   /* Commands */
+
+[A-Za-z_][A-Za-z0-9_]* { configlval.name = strdup( yytext ); return STR; }
+
+[0-9]+     { configlval.num = strtoul( yytext, 0, 10 ); return NUM; }
+
+[0-9]+\.[0-9]+ { configlval.fnum = strtod( yytext, 0 ); return FNUM; }
+
+.          { return yytext[0]; }
+
+%%
+
+void configerror( string msg )
+{
+  Configuration::GetTheConfig( )->ParseError( msg, configlineno );
+}
+
+