1 files changed, 192 insertions, 0 deletions
diff --git a/ragel/xmlcodegen.h b/ragel/xmlcodegen.h
new file mode 100644
index 0000000..d20d6ea
--- /dev/null
+++ b/ragel/xmlcodegen.h
@@ -0,0 +1,192 @@
+/*
+ *  Copyright 2005-2007 Adrian Thurston <thurston@complang.org>
+ */
+
+/*  This file is part of Ragel.
+ *
+ *  Ragel is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  Ragel is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with Ragel; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
+ */
+
+#ifndef _XMLCODEGEN_H
+#define _XMLCODEGEN_H
+
+#include <iostream>
+#include "avltree.h"
+#include "fsmgraph.h"
+#include "parsedata.h"
+#include "redfsm.h"
+
+/* Forwards. */
+struct TransAp;
+struct FsmAp;
+struct ParseData;
+struct GenInlineList;
+struct CodeGenData;
+
+struct RedActionTable
+:
+	public AvlTreeEl<RedActionTable>
+{
+	RedActionTable( const ActionTable &key )
+	:	
+		key(key), 
+		id(0)
+	{ }
+
+	const ActionTable &getKey() 
+		{ return key; }
+
+	ActionTable key;
+	int id;
+};
+
+typedef AvlTree<RedActionTable, ActionTable, CmpActionTable> ActionTableMap;
+
+struct NextRedTrans
+{
+	Key lowKey, highKey;
+	TransAp *trans;
+	TransAp *next;
+
+	void load() {
+		if ( trans != 0 ) {
+			next = trans->next;
+			lowKey = trans->lowKey;
+			highKey = trans->highKey;
+		}
+	}
+
+	NextRedTrans( TransAp *t ) {
+		trans = t;
+		load();
+	}
+
+	void increment() {
+		trans = next;
+		load();
+	}
+};
+
+struct GenBase
+{
+	GenBase( char *fsmName, ParseData *pd, FsmAp *fsm );
+
+	void appendTrans( TransListVect &outList, Key lowKey, Key highKey, TransAp *trans );
+	void reduceActionTables();
+
+	char *fsmName;
+	ParseData *pd;
+	FsmAp *fsm;
+
+	ActionTableMap actionTableMap;
+	int nextActionTableId;
+};
+
+class XMLCodeGen : protected GenBase
+{
+public:
+	XMLCodeGen( char *fsmName, ParseData *pd, FsmAp *fsm, std::ostream &out );
+
+	void writeXML( );
+
+private:
+	void writeStateActions( StateAp *state );
+	void writeStateList();
+	void writeStateConditions( StateAp *state );
+
+	void writeKey( Key key );
+	void writeText( InlineItem *item );
+	void writeGoto( InlineItem *item );
+	void writeGotoExpr( InlineItem *item );
+	void writeCall( InlineItem *item );
+	void writeCallExpr( InlineItem *item );
+	void writeNext( InlineItem *item );
+	void writeNextExpr( InlineItem *item );
+	void writeEntry( InlineItem *item );
+	void writeLmOnLast( InlineItem *item );
+	void writeLmOnNext( InlineItem *item );
+	void writeLmOnLagBehind( InlineItem *item );
+
+	void writeExports();
+	bool writeNameInst( NameInst *nameInst );
+	void writeEntryPoints();
+	void writeConditions();
+	void writeInlineList( InlineList *inlineList );
+	void writeActionList();
+	void writeActionTableList();
+	void reduceTrans( TransAp *trans );
+	void writeTransList( StateAp *state );
+	void writeEofTrans( StateAp *state );
+	void writeTrans( Key lowKey, Key highKey, TransAp *defTrans );
+	void writeAction( Action *action );
+	void writeLmSwitch( InlineItem *item );
+	void writeMachine();
+	void writeActionExec( InlineItem *item );
+
+	std::ostream &out;
+};
+
+class BackendGen : protected GenBase
+{
+public:
+	BackendGen( char *fsmName, ParseData *pd, FsmAp *fsm, CodeGenData *cgd );
+	void makeBackend( );
+
+private:
+	void makeGenInlineList( GenInlineList *outList, InlineList *inList );
+	void makeKey( GenInlineList *outList, Key key );
+	void makeText( GenInlineList *outList, InlineItem *item );
+	void makeLmOnLast( GenInlineList *outList, InlineItem *item );
+	void makeLmOnNext( GenInlineList *outList, InlineItem *item );
+	void makeLmOnLagBehind( GenInlineList *outList, InlineItem *item );
+	void makeActionExec( GenInlineList *outList, InlineItem *item );
+	void makeLmSwitch( GenInlineList *outList, InlineItem *item );
+	void makeSetTokend( GenInlineList *outList, long offset );
+	void makeSetAct( GenInlineList *outList, long lmId );
+	void makeSubList( GenInlineList *outList, InlineList *inlineList, 
+			GenInlineItem::Type type );
+	void makeTargetItem( GenInlineList *outList, NameInst *nameTarg, GenInlineItem::Type type );
+	void makeExecGetTokend( GenInlineList *outList );
+	void makeExports();
+	void makeMachine();
+	void makeActionList();
+	void makeAction( Action *action );
+	void makeActionTableList();
+	void makeConditions();
+	void makeEntryPoints();
+	bool makeNameInst( std::string &out, NameInst *nameInst );
+	void makeStateList();
+
+	void makeStateActions( StateAp *state );
+	void makeEofTrans( StateAp *state );
+	void makeStateConditions( StateAp *state );
+	void makeTransList( StateAp *state );
+	void makeTrans( Key lowKey, Key highKey, TransAp *trans );
+
+	void close_ragel_def();
+
+	CodeGenData *cgd;
+
+	/* Collected during parsing. */
+	int curAction;
+	int curActionTable;
+	int curTrans;
+	int curState;
+	int curCondSpace;
+	int curStateCond;
+
+};
+
+#endif