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Diffstat (limited to 'Stars45/Term.cpp')
-rw-r--r-- | Stars45/Term.cpp | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/Stars45/Term.cpp b/Stars45/Term.cpp new file mode 100644 index 0000000..1a0c6af --- /dev/null +++ b/Stars45/Term.cpp @@ -0,0 +1,146 @@ +/* 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.cpp + AUTHOR: John DiCamillo + + + OVERVIEW + ======== + Implementation of the Term class +*/ + + +#include "MemDebug.h" +#include "Term.h" + +void Print(const char* fmt, ...); + +// +-------------------------------------------------------------------+ + +Term* +error(char* s1, char* s2) +{ + Print("ERROR: "); + if (s1) Print(s1); + if (s2) Print(s2); + Print("\n\n"); + return 0; +} + +// +-------------------------------------------------------------------+ + +void TermBool::print(int level) { if (level > 0) Print(val? "true" : "false"); else Print("..."); } +void TermNumber::print(int level){ if (level > 0) Print("%g", val); else Print("..."); } +void TermText::print(int level) { if (level > 0) Print("\"%s\"", val.data()); else Print("..."); } + +// +-------------------------------------------------------------------+ + +TermArray::TermArray(TermList* elist) +{ + elems = elist; +} + +TermArray::~TermArray() +{ + if (elems) elems->destroy(); + delete elems; +} + +void +TermArray::print(int level) +{ + if (level > 1) { + Print("("); + + if (elems) { + for (int i = 0; i < elems->size(); i++) { + elems->at(i)->print(level-1); + if (i < elems->size() -1) + Print(", "); + } + } + + Print(") "); + } + else Print("(...) "); +} + +// +-------------------------------------------------------------------+ + +TermStruct::TermStruct(TermList* elist) +{ + elems = elist; +} + +TermStruct::~TermStruct() +{ + if (elems) elems->destroy(); + delete elems; +} + +void +TermStruct::print(int level) +{ + if (level > 1) { + Print("{"); + + if (elems) { + for (int i = 0; i < elems->size(); i++) { + elems->at(i)->print(level-1); + if (i < elems->size() -1) + Print(", "); + } + } + + Print("} "); + } + else Print("{...} "); +} + +// +-------------------------------------------------------------------+ + +TermDef::~TermDef() +{ + delete mname; + delete mval; +} + +void +TermDef::print(int level) +{ + if (level >= 0) { + mname->print(level); + Print(": "); + mval->print(level-1); + } + else Print("..."); +} + +// +-------------------------------------------------------------------+ |