1 files changed, 136 insertions, 0 deletions
diff --git a/libfsm/rlscan.h b/libfsm/rlscan.h
new file mode 100644
index 00000000..e8b4047d
--- /dev/null
+++ b/libfsm/rlscan.h
@@ -0,0 +1,136 @@
+/*
+ * Copyright 2007-2018 Adrian Thurston <thurston@colm.net>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef _RLSCAN_H
+#define _RLSCAN_H
+
+#include <iostream>
+#include "rlscan.h"
+#include "vector.h"
+#ifdef WITH_RAGEL_KELBT
+#include "rlparse.h"
+#endif
+#include "parsedata.h"
+#include "avltree.h"
+#include "vector.h"
+
+using std::istream;
+using std::ostream;
+
+extern char *Parser6_lelNames[];
+struct Section;
+
+struct Scanner
+{
+	Scanner( InputData *id, const char *fileName, istream &input,
+			Parser6 *inclToParser, char *inclSectionTarg,
+			int includeDepth, bool importMachines )
+	: 
+		id(id), fileName(fileName), 
+		input(input),
+		inclToParser(inclToParser),
+		inclSectionTarg(inclSectionTarg),
+		includeDepth(includeDepth),
+		importMachines(importMachines),
+		cur_token(0),
+		line(1), column(1), lastnl(0), 
+		parser(0), ignoreSection(false), 
+		parserExistsError(false),
+		whitespaceOn(true),
+		lastToken(0),
+		section(0),
+		sectionPass(false)
+	{}
+
+	void handleMachine();
+	void handleInclude();
+	void handleImport();
+
+	void init();
+	void token( int type, char *start, char *end );
+	void token( int type, char c );
+	void token( int type );
+	void processToken( int type, char *tokdata, int toklen );
+	void directToParser( Parser6 *toParser, const char *tokFileName, int tokLine, 
+		int tokColumn, int type, char *tokdata, int toklen );
+	void flushImport( );
+	void importToken( int type, char *start, char *end );
+	void pass( int token, char *start, char *end );
+	void pass();
+	void updateCol();
+	void startSection();
+	void endSection();
+	void do_scan();
+	bool active();
+	InputLoc scan_loc();
+
+	InputData *id;
+	const char *fileName;
+	istream &input;
+	Parser6 *inclToParser;
+	char *inclSectionTarg;
+	int includeDepth;
+	bool importMachines;
+
+	/* For import parsing. */
+	int tok_cs, tok_act;
+	int *tok_ts, *tok_te;
+	int cur_token;
+	static const int max_tokens = 32;
+	int token_data[max_tokens];
+	char *token_strings[max_tokens];
+	int token_lens[max_tokens];
+
+	/* For section processing. */
+	int cs;
+	char *word, *lit;
+	int word_len, lit_len;
+
+	/* For character scanning. */
+	int line;
+	InputLoc sectionLoc;
+	char *ts, *te;
+	int column;
+	char *lastnl;
+
+	/* Set by machine statements, these persist from section to section
+	 * allowing for unnamed sections. */
+	Parser6 *parser;
+	bool ignoreSection;
+
+	/* This is set if ragel has already emitted an error stating that
+	 * no section name has been seen and thus no parser exists. */
+	bool parserExistsError;
+
+	/* This is for inline code. By default it is on. It goes off for
+	 * statements and values in inline blocks which are parsed. */
+	bool whitespaceOn;
+
+	/* Keeps a record of the previous token sent to the section parser. */
+	int lastToken;
+
+	Section *section;
+	bool sectionPass;
+
+};
+
+#endif