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identifier.c
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identifier.c
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// Compiler implementation of the D programming language
// Copyright (c) 1999-2006 by Digital Mars
// All Rights Reserved
// written by Walter Bright
// http://www.digitalmars.com
// License for redistribution is by either the Artistic License
// in artistic.txt, or the GNU General Public License in gnu.txt.
// See the included readme.txt for details.
#include <stdio.h>
#include <string.h>
#include "root.h"
#include "identifier.h"
#include "mars.h"
#include "lexer.h"
#include "id.h"
Identifier::Identifier(const char *string, int value)
{
//printf("Identifier('%s', %d)\n", string, value);
this->string = string;
this->value = value;
this->len = strlen(string);
}
Identifier *Identifier::create(const char *string, int value)
{
return new Identifier(string, value);
}
bool Identifier::equals(RootObject *o)
{
return this == o || strncmp(string,o->toChars(),len+1) == 0;
}
int Identifier::compare(RootObject *o)
{
return strncmp(string, o->toChars(), len + 1);
}
char *Identifier::toChars()
{
return (char *)string;
}
const char *Identifier::toHChars2()
{
const char *p = NULL;
if (this == Id::ctor) p = "this";
else if (this == Id::dtor) p = "~this";
else if (this == Id::unitTest) p = "unittest";
else if (this == Id::dollar) p = "$";
else if (this == Id::withSym) p = "with";
else if (this == Id::result) p = "result";
else if (this == Id::returnLabel) p = "return";
else
{ p = toChars();
if (*p == '_')
{
if (strncmp(p, "_staticCtor", 11) == 0)
p = "static this";
else if (strncmp(p, "_staticDtor", 11) == 0)
p = "static ~this";
else if (strncmp(p, "__invariant", 11) == 0)
p = "invariant";
}
}
return p;
}
void Identifier::print()
{
fprintf(stderr, "%s",string);
}
int Identifier::dyncast()
{
return DYNCAST_IDENTIFIER;
}
// BUG: these are redundant with Lexer::uniqueId()
Identifier *Identifier::generateId(const char *prefix)
{
static size_t i;
return generateId(prefix, ++i);
}
Identifier *Identifier::generateId(const char *prefix, size_t i)
{ OutBuffer buf;
buf.writestring(prefix);
buf.printf("%llu", (ulonglong)i);
char *id = buf.peekString();
return Lexer::idPool(id);
}