From 966fe28c59f59fc8be795c8215b9352435982445 Mon Sep 17 00:00:00 2001 From: Aki Date: Thu, 30 Sep 2021 16:46:36 +0200 Subject: Merged nGenEx and Parser into Stars45 --- Stars45/Term.h | 196 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 196 insertions(+) create mode 100644 Stars45/Term.h (limited to 'Stars45/Term.h') diff --git a/Stars45/Term.h b/Stars45/Term.h new file mode 100644 index 0000000..a0317dd --- /dev/null +++ b/Stars45/Term.h @@ -0,0 +1,196 @@ +/* Starshatter OpenSource Distribution + Copyright (c) 1997-2004, Destroyer Studios LLC. + All Rights Reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + * Neither the name "Destroyer Studios" nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + + SUBSYSTEM: Parser + 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 TermList; +typedef ListIter 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 -- cgit v1.1