module dmd.StructLiteralExp;

import dmd.Expression;
import dmd.StructDeclaration;
import dmd.backend.elem;
import dmd.InterState;
import dmd.MATCH;
import dmd.WANT;
import dmd.Type;
import dmd.OutBuffer;
import dmd.Loc;
import dmd.Scope;
import dmd.InlineCostState;
import dmd.IRState;
import dmd.InlineDoState;
import dmd.backend.Symbol;
import dmd.HdrGenState;
import dmd.backend.dt_t;
import dmd.InlineScanState;
import dmd.ArrayTypes;
import dmd.TOK;


class StructLiteralExp : Expression
{
	StructDeclaration sd;		// which aggregate this is for
    Expressions elements;	// parallels sd->fields[] with
				// NULL entries for fields to skip

    Symbol* sym;		// back end symbol to initialize with literal
    size_t soffset;		// offset from start of s
    int fillHoles;		// fill alignment 'holes' with zero

	this(Loc loc, StructDeclaration sd, Expressions elements)
	{
		super(loc, TOKstructliteral, StructLiteralExp.sizeof);
		this.sd = sd;
		this.elements = elements;
		this.sym = null;
		this.soffset = 0;
		this.fillHoles = 1;
	}

	Expression syntaxCopy()
	{
		assert(false);
	}

	Expression semantic(Scope sc)
	{
		assert(false);
	}

	Expression getField(Type type, uint offset)
	{
		assert(false);
	}

	int getFieldIndex(Type type, uint offset)
	{
		assert(false);
	}

	elem* toElem(IRState* irs)
	{
		assert(false);
	}

	bool checkSideEffect(int flag)
	{
		assert(false);
	}

	void toCBuffer(OutBuffer buf, HdrGenState* hgs)
	{
		assert(false);
	}

	void toMangleBuffer(OutBuffer buf)
	{
		assert(false);
	}

	void scanForNestedRef(Scope sc)
	{
		assert(false);
	}

	Expression optimize(int result)
	{
		if (elements)
		{
			for (size_t i = 0; i < elements.dim; i++)
			{   
				Expression e = cast(Expression)elements.data[i];
				if (!e)
					continue;
				e = e.optimize(WANTvalue | (result & WANTinterpret));
				elements.data[i] = cast(void*)e;
			}
		}
		return this;
	}

	Expression interpret(InterState* istate)
	{
		assert(false);
	}

	dt_t** toDt(dt_t** pdt)
	{
		assert(false);
	}

	int isLvalue()
	{
		assert(false);
	}

	Expression toLvalue(Scope sc, Expression e)
	{
		assert(false);
	}

	bool canThrow()
	{
		assert(false);
	}

	MATCH implicitConvTo(Type t)
	{
		assert(false);
	}

	int inlineCost(InlineCostState* ics)
	{
		assert(false);
	}

	Expression doInline(InlineDoState ids)
	{
		assert(false);
	}

	Expression inlineScan(InlineScanState* iss)
	{
		assert(false);
	}
}