From e33e19d0587146859d48a134ec9fd94e7b7ba5cd Mon Sep 17 00:00:00 2001
From: "FWoltermann@gmail.com"
 <FWoltermann@gmail.com@076cb2c4-205e-83fd-5cf3-1be9aa105544>
Date: Thu, 8 Dec 2011 14:53:40 +0000
Subject: Initial upload

---
 Parser/Term.h | 172 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 172 insertions(+)
 create mode 100644 Parser/Term.h

(limited to 'Parser/Term.h')

diff --git a/Parser/Term.h b/Parser/Term.h
new file mode 100644
index 0000000..8597b97
--- /dev/null
+++ b/Parser/Term.h
@@ -0,0 +1,172 @@
+/*  Project STARS
+    John DiCamillo Software Consulting
+    Copyright © 1997-2000. All Rights Reserved.
+
+    SUBSYSTEM:    Stars
+    FILE:         term.h
+    AUTHOR:       John DiCamillo
+
+
+    OVERVIEW
+    ========
+    Declaration of the Abstract Syntax Tree classes
+*/
+
+
+#ifndef TERM_H
+#define TERM_H
+
+#include "Text.h"
+#include "List.h"
+
+// +-------------------------------------------------------------------+
+
+class Term;
+class TermBool;
+class TermNumber;
+class TermText;
+class TermArray;
+class TermDef;
+class TermStruct;
+
+// +-------------------------------------------------------------------+
+
+class Term
+{
+public:
+   static const char* TYPENAME() { return "Term"; }
+
+	Term()            { }
+   virtual ~Term()   { }
+
+   virtual int operator==(const Term& rhs) const { return 0; }
+
+	virtual void print(int level=10) { }
+
+	// conversion tests
+	virtual Term*              touch()     { return this; }
+	virtual TermBool*          isBool()    { return 0; }
+	virtual TermNumber*        isNumber()  { return 0; }
+	virtual TermText*          isText()    { return 0; }
+	virtual TermArray*         isArray()   { return 0; }
+	virtual TermDef*           isDef()     { return 0; }
+	virtual TermStruct*        isStruct()  { return 0; }
+};
+
+Term* error(char*, char* = 0);
+
+// +-------------------------------------------------------------------+
+
+typedef List<Term>      TermList;
+typedef ListIter<Term>  TermListIter;
+
+// +-------------------------------------------------------------------+
+
+class TermBool : public Term
+{
+public:
+   static const char* TYPENAME() { return "TermBool"; }
+
+   TermBool(bool v) : val(v) { }
+   
+   virtual void      print(int level=10);
+	virtual TermBool* isBool()      { return this; }
+           bool      value() const { return val;  }
+
+private:
+   bool val;
+};
+
+// +-------------------------------------------------------------------+
+
+class TermNumber : public Term
+{
+public:
+   static const char* TYPENAME() { return "TermNumber"; }
+
+   TermNumber(double v) : val(v) { }
+   
+   virtual void         print(int level=10);
+	virtual TermNumber*  isNumber()     { return this; }
+           double       value() const  { return val;  }
+
+private:
+   double val;
+};
+
+// +-------------------------------------------------------------------+
+
+class TermText : public Term
+{
+public:
+   static const char* TYPENAME() { return "TermText"; }
+
+   TermText(const Text& v) : val(v)   { }
+   
+   virtual void      print(int level=10);
+	virtual TermText* isText()       { return this; }
+           Text      value() const  { return val;  }
+
+private:
+   Text val;
+};
+
+// +-------------------------------------------------------------------+
+
+class TermArray : public Term
+{
+public:
+   static const char* TYPENAME() { return "TermArray"; }
+
+   TermArray(TermList* elist);
+   virtual ~TermArray();
+   
+   virtual void         print(int level=10);
+   virtual TermArray*   isArray()   { return this;  }
+           TermList*    elements()  { return elems; }
+
+private:
+   TermList*   elems;
+};
+
+// +-------------------------------------------------------------------+
+
+class TermStruct : public Term
+{
+public:
+   static const char* TYPENAME() { return "TermStruct"; }
+
+   TermStruct(TermList* elist);
+   virtual ~TermStruct();
+
+   virtual void         print(int level=10);
+
+   virtual TermStruct*  isStruct()  { return this; }
+           TermList*    elements()  { return elems; }
+
+private:
+   TermList*   elems;
+};
+
+// +-------------------------------------------------------------------+
+
+class TermDef : public Term
+{
+public:
+   static const char* TYPENAME() { return "TermDef"; }
+
+   TermDef(TermText* n, Term* v) : mname(n), mval(v) { }
+   virtual ~TermDef();
+
+   virtual void         print(int level=10);
+   virtual TermDef*     isDef()     { return this; }
+   
+   virtual TermText*    name()      { return mname; }
+   virtual Term*        term()      { return mval;  }
+
+private:
+   TermText*   mname;
+   Term*       mval;
+};
+
+#endif
-- 
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