binpac: Initial import of Bro's binpac subdirectory from SVN r7088.

tools/binpac/src/pac_regex.h

@@ -0,0 +1,41 @@
+#ifndef pac_regex_h
+#define pac_regex_h
+
+#include "pac_common.h"
+#include "pac_decl.h"
+
+class RegExDecl;
+
+class RegEx : public Object
+{
+public:
+	RegEx(const string &str);
+	~RegEx();
+
+	const string &str() const	{ return str_; }
+	ID *matcher_id() const		{ return matcher_id_; }
+
+private:
+	string str_;
+	ID *matcher_id_;
+	RegExDecl *decl_;
+
+public:
+	static const char *kREMatcherType;
+	static const char *kMatchPrefix;
+};
+
+class RegExDecl : public Decl
+{
+public:
+	RegExDecl(RegEx *regex);
+
+	void Prepare();
+	void GenForwardDeclaration(Output *out_h); 
+	void GenCode(Output *out_h, Output *out_cc);
+
+private:
+	RegEx *regex_;
+};
+
+#endif  // pac_regex_h