Method CompileMathOperator

sdk/angelscript/source/as_compiler.cpp:15706–16187

}

void asCCompiler::CompileMathOperator(asCScriptNode *node, asCExprContext *lctx, asCExprContext  *rctx, asCExprContext *ctx, eTokenType op)
{
	// TODO: If a constant is only using 32bits, then a 32bit operation is preferred

	// TODO: clean up: This initial part is identical to CompileComparisonOperator. Make a common function out of it

	// If either operand is a non-primitive then use the primitive type
	if( !lctx->type.dataType.IsPrimitive() )
	{
		int l = int(reservedVariables.GetLength());
		rctx->bc.GetVarsUsed(reservedVariables);
		ImplicitConvObjectToBestMathType(lctx, node);
		reservedVariables.SetLength(l);
	}
	if( !rctx->type.dataType.IsPrimitive() )
	{
		int l = int(reservedVariables.GetLength());
		lctx->bc.GetVarsUsed(reservedVariables);
		ImplicitConvObjectToBestMathType(rctx, node);
		reservedVariables.SetLength(l);
	}

	// Both types must now be primitives. Implicitly convert them so they match
	asCDataType to;
	if( lctx->type.dataType.IsDoubleType() || rctx->type.dataType.IsDoubleType() )
		to.SetTokenType(ttDouble);
	else if( lctx->type.dataType.IsFloatType() || rctx->type.dataType.IsFloatType() )
		to.SetTokenType(ttFloat);
	else if( lctx->type.dataType.GetSizeInMemoryDWords() == 2 || rctx->type.dataType.GetSizeInMemoryDWords() == 2 )
	{
		// Convert to int64 if both are signed or if one is non-constant and signed
		if( (lctx->type.dataType.IsIntegerType() && !lctx->type.isConstant) ||
			(rctx->type.dataType.IsIntegerType() && !rctx->type.isConstant) )
			to.SetTokenType(ttInt64);
		else if( lctx->type.dataType.IsUnsignedType() || rctx->type.dataType.IsUnsignedType() )
			to.SetTokenType(ttUInt64);
		else
			to.SetTokenType(ttInt64);
	}
	else
	{
		// Convert to int32 if both are signed or if one is non-constant and signed
		if( (lctx->type.dataType.IsIntegerType() && !lctx->type.isConstant) ||
			(rctx->type.dataType.IsIntegerType() && !rctx->type.isConstant) )
			to.SetTokenType(ttInt);
		else if( lctx->type.dataType.IsUnsignedType() || rctx->type.dataType.IsUnsignedType() )
			to.SetTokenType(ttUInt);
		else
			to.SetTokenType(ttInt);
	}

	// If doing an operation with double constant and float variable, the constant should be converted to float
	if( (lctx->type.isConstant && lctx->type.dataType.IsDoubleType() && !rctx->type.isConstant && rctx->type.dataType.IsFloatType()) ||
		(rctx->type.isConstant && rctx->type.dataType.IsDoubleType() && !lctx->type.isConstant && lctx->type.dataType.IsFloatType()) )
		to.SetTokenType(ttFloat);

	if( op == ttUnrecognizedToken )
		op = node->tokenType;