module dmd.Identifier;

import dmd.common;
import dmd.TOK;
import dmd.DYNCAST;
import dmd.Lexer;
import dmd.Global;
import dmd.OutBuffer;

class Identifier
{
    TOK value;
    string string_;

    this(string string_, TOK value)
	{
		this.string_ = string_;
		this.value = value;
	}
	
    bool equals(Object o)
	{
		if (this is o) {
			return true;
		}
		
		if (auto i = cast(Identifier)o) {
			return string_ == i.string_;
		}
		
		return false;
	}
	
    hash_t hashCode()
	{
		assert(false);
	}
	
    override int opCmp(Object o)
	{
		assert(false);
	}
	
    void print()
	{
		assert(false);
	}
	
    string toChars()
	{
		return string_;
	}
	
version (_DH) {
    char* toHChars()
	{
		assert(false);
	}
}
    string toHChars2()
	{
		assert(false);
	}
	
    DYNCAST dyncast()
	{
		return DYNCAST.DYNCAST_IDENTIFIER;
	}

	// BUG: these are redundant with Lexer::uniqueId()
    static Identifier generateId(string prefix)
	{
		return generateId(prefix, ++global.i);
	}
	
    static Identifier generateId(string prefix, size_t i)
	{
		scope OutBuffer buf = new OutBuffer();

		buf.writestring(prefix);
		buf.printf("%d", i);	///<!

		string id = buf.extractString();
		return Lexer.idPool(id);
	}
}