1 files changed, 126 insertions, 0 deletions
diff --git a/kturtle/src/parser.h b/kturtle/src/parser.h
new file mode 100644
index 00000000..28be566f
--- /dev/null
+++ b/kturtle/src/parser.h
@@ -0,0 +1,126 @@
+/*
+    Copyright (C) 2003 by Walter Schreppers 
+    Copyright (C) 2004 by Cies Breijs   
+     
+    This program is free software; you can redistribute it and/or
+    modify it under the terms of version 2 of the GNU General Public
+    License as published by the Free Software Foundation.
+
+    This program 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 this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+ 
+#ifndef _PARSER_H_
+#define _PARSER_H_
+
+#include <qobject.h>
+
+#include "lexer.h"
+#include "treenode.h"
+
+
+class Parser : public QObject
+{
+	Q_OBJECT
+	
+	public:
+		Parser(QTextIStream& in);
+		virtual ~Parser();
+	
+		void parse();
+		TreeNode* getTree() const { return tree; }
+
+
+	signals:
+		void ErrorMsg(Token&, const QString&, uint code);
+
+
+	private:
+		bool isAddOp(Token);
+		bool isMulOp(Token);
+		
+		void getToken();
+		void matchToken(int tokenType);
+		void appendParameters(TreeNode* node);
+		void Error(Token&, const QString& s, uint code);
+	
+		TreeNode* Program();
+		TreeNode* ParamList();
+		TreeNode* Block();
+		TreeNode* Statement();
+		
+		TreeNode* ExternalRun();
+	
+		TreeNode* getId();
+		TreeNode* signedFactor();
+		TreeNode* Factor();
+		TreeNode* Term();
+		TreeNode* Expression();
+		
+		TreeNode* Assignment(Token);
+		TreeNode* FunctionCall(Token);
+		TreeNode* Other();
+		
+		TreeNode* While();
+		TreeNode* For();
+		TreeNode* ForEach();
+		TreeNode* If();
+		TreeNode* Return();
+		TreeNode* Break();
+		
+		TreeNode* Clear();
+		TreeNode* Go();
+		TreeNode* GoX();
+		TreeNode* GoY();
+		TreeNode* Forward();
+		TreeNode* Backward();
+		TreeNode* Direction();
+		TreeNode* TurnLeft();
+		TreeNode* TurnRight();
+		TreeNode* Center();
+		TreeNode* SetPenWidth();
+		TreeNode* PenUp();
+		TreeNode* PenDown();
+		TreeNode* SetFgColor();
+		TreeNode* SetBgColor();
+		TreeNode* ResizeCanvas();
+		TreeNode* SpriteShow();
+		TreeNode* SpriteHide();
+		TreeNode* SpritePress();
+		TreeNode* SpriteChange();
+	
+		TreeNode* Message();
+		TreeNode* InputWindow();
+		TreeNode* Print();
+		TreeNode* FontType();
+		TreeNode* FontSize();
+		TreeNode* Repeat();
+		TreeNode* Random();
+		TreeNode* Wait();
+		TreeNode* WrapOn();
+		TreeNode* WrapOff();
+		TreeNode* Reset();
+		
+		TreeNode* LineBreak();
+		TreeNode* EndOfFile();
+		
+		TreeNode* Learn();
+	
+		//private locals
+		Lexer       *lexer;
+		TreeNode    *tree;
+		Token        currentToken;
+		Token        preservedToken; // to preserve the currentToken so it wont get lost
+		uint         row;
+		uint         col;
+		QStringList  learnedFunctionList;
+};
+
+#endif // _PARSER_H_