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/* Project STARS
John DiCamillo Software Consulting
Copyright © 1997-2000. All Rights Reserved.
SUBSYSTEM: Stars
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); 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("...");
}
// +-------------------------------------------------------------------+
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