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-rw-r--r--StarsEx/Term.h171
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diff --git a/StarsEx/Term.h b/StarsEx/Term.h
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--- a/StarsEx/Term.h
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-/* Starshatter: The Open Source Project
- Copyright (c) 2021-2022, 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
-*/
-
-
-#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