1 files changed, 167 insertions, 0 deletions
diff --git a/DefinitionEx/include/starshatter/definition/Term.h b/DefinitionEx/include/starshatter/definition/Term.h
new file mode 100644
index 0000000..1bc30b6
--- /dev/null
+++ b/DefinitionEx/include/starshatter/definition/Term.h
@@ -0,0 +1,167 @@
+/*  Starshatter: The Open Source Project
+    Copyright (c) 2021-2024, Starshatter: The Open Source Project Contributors
+    Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
+    Copyright (c) 1997-2006, Destroyer Studios LLC.
+
+    AUTHOR:       John DiCamillo
+
+
+    OVERVIEW
+    ========
+    Declaration of the Abstract Syntax Tree classes
+*/
+
+#pragma once
+
+#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(const char*, const 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;
+};