Method CompileBooleanOperator

sdk/angelscript/source/as_compiler.cpp:16877–17058

}

void asCCompiler::CompileBooleanOperator(asCScriptNode *node, asCExprContext *lctx, asCExprContext *rctx, asCExprContext *ctx, eTokenType op)
{
	// Both operands must be booleans
	asCDataType to;
	to.SetTokenType(ttBool);

	// Do the actual conversion
	int l = int(reservedVariables.GetLength());
	rctx->bc.GetVarsUsed(reservedVariables);
	lctx->bc.GetVarsUsed(reservedVariables);

	// If turned on, allow the compiler to use either 'bool opImplConv()' or 'bool opConv()' on the type
	if (engine->ep.boolConversionMode == 1)
		ImplicitConversion(lctx, to, node, asIC_EXPLICIT_VAL_CAST);
	// else, allow value types to be converted to bool using 'bool opImplConv()'
	else if (lctx->type.dataType.GetTypeInfo() && (lctx->type.dataType.GetTypeInfo()->GetFlags() & asOBJ_VALUE))
		ImplicitConversion(lctx, to, node, asIC_IMPLICIT_CONV);

	// The same goes for the right hand expression
	if (engine->ep.boolConversionMode == 1)
		ImplicitConversion(rctx, to, node, asIC_EXPLICIT_VAL_CAST);
	else if (rctx->type.dataType.GetTypeInfo() && (rctx->type.dataType.GetTypeInfo()->GetFlags() & asOBJ_VALUE))
		ImplicitConversion(rctx, to, node, asIC_IMPLICIT_CONV);

	reservedVariables.SetLength(l);

	// Verify that the conversion was successful
	if( !lctx->type.dataType.IsBooleanType() )
	{
		asCString str;
		str.Format(TXT_NO_CONVERSION_s_TO_s, lctx->type.dataType.Format(outFunc->nameSpace).AddressOf(), "bool");
		Error(str, node);
		// Force the conversion to allow compilation to proceed
		lctx->type.SetConstantB(asCDataType::CreatePrimitive(ttBool, true), true);
	}

	if( !rctx->type.dataType.IsBooleanType() )
	{
		asCString str;
		str.Format(TXT_NO_CONVERSION_s_TO_s, rctx->type.dataType.Format(outFunc->nameSpace).AddressOf(), "bool");
		Error(str, node);
		// Force the conversion to allow compilation to proceed
		rctx->type.SetConstantB(asCDataType::CreatePrimitive(ttBool, true), true);
	}

	bool isConstant = lctx->type.isConstant && rctx->type.isConstant;

	ctx->type.Set(asCDataType::CreatePrimitive(ttBool, true));

	// What kind of operator is it?
	if( op == ttUnrecognizedToken )
		op = node->tokenType;
	if( op == ttXor )
	{
		if( !isConstant )
		{
			// Must convert to temporary variable, because we are changing the value before comparison
			ConvertToTempVariableNotIn(lctx, rctx);