@Override void accept(ExpressionWriter writer, int lprec, int rprec) { writer.append("new ").append(type).list("(\n", ",\n", ")", arguments); if (memberDeclarations != null) { writer.list("{\n", "", "}", memberDeclarations); } }
@Override public void write(ExpressionWriter writer) { // <left> <operator> if (left instanceof BinaryExpression && ((BinaryExpression) left).operator == operator) { // Chain. writer.write(left); writer.write(' '); writer.write(operator.text()); writer.write(' '); } else { writer.writeBracketed(left); writer.write(' '); writer.write(operator.text()); writer.write(' '); } // <right> if (operator == In || operator == NotIn) { writer.write('('); writer.write(right); writer.write(')'); } else { writer.writeBracketed(right); } }
@Override public String toString() { ExpressionWriter writer = new ExpressionWriter(); write(writer); return writer.toString(); }
@Override void accept(ExpressionWriter writer, int lprec, int rprec) { // "new Function1() { // public Result apply(T1 p1, ...) { // <body> // } // // bridge method // public Object apply(Object p1, ...) { // return apply((T1) p1, ...); // } // } // // if any arguments are primitive there is an extra bridge method: // // new Function1() { // public double apply(double p1, int p2) { // <body> // } // // box bridge method // public Double apply(Double p1, Integer p2) { // return apply(p1.doubleValue(), p2.intValue()); // } // // bridge method // public Object apply(Object p1, Object p2) { // return apply((Double) p1, (Integer) p2); // } List<String> params = new ArrayList<String>(); List<String> bridgeParams = new ArrayList<String>(); List<String> bridgeArgs = new ArrayList<String>(); List<String> boxBridgeParams = new ArrayList<String>(); List<String> boxBridgeArgs = new ArrayList<String>(); for (ParameterExpression parameterExpression : parameterList) { final Type parameterType = parameterExpression.getType(); final Type parameterBoxType = Types.box(parameterType); final String parameterBoxTypeName = Types.className(parameterBoxType); params.add(parameterExpression.declString()); bridgeParams.add(parameterExpression.declString(Object.class)); bridgeArgs.add("(" + parameterBoxTypeName + ") " + parameterExpression.name); boxBridgeParams.add(parameterExpression.declString(parameterBoxType)); boxBridgeArgs.add( parameterExpression.name + (Primitive.is(parameterType) ? "." + Primitive.of(parameterType).primitiveName + "Value()" : "")); } Type bridgeResultType = Functions.FUNCTION_RESULT_TYPES.get(this.type); if (bridgeResultType == null) { bridgeResultType = body.getType(); } Type resultType2 = bridgeResultType; if (bridgeResultType == Object.class && !params.equals(bridgeParams) && !(body.getType() instanceof TypeVariable)) { resultType2 = body.getType(); } String methodName = getAbstractMethodName(); writer .append("new ") .append(type) .append("()") .begin(" {\n") .append("public ") .append(Types.className(resultType2)) .list(" " + methodName + "(", ", ", ") ", params) .append(Blocks.toFunctionBlock(body)); // Generate an intermediate bridge method if at least one parameter is // primitive. if (!boxBridgeParams.equals(params)) { writer .append("public ") .append(Types.boxClassName(bridgeResultType)) .list(" " + methodName + "(", ", ", ") ", boxBridgeParams) .begin("{\n") .list("return " + methodName + "(\n", ",\n", ");\n", boxBridgeArgs) .end("}\n"); } // Generate a bridge method. Argument types are looser (as if every // type parameter is set to 'Object'). // // Skip the bridge method if there are no arguments. It would have the // same overload as the regular method. if (!bridgeParams.equals(params)) { writer .append("public ") .append(Types.boxClassName(bridgeResultType)) .list(" " + methodName + "(", ", ", ") ", bridgeParams) .begin("{\n") .list("return " + methodName + "(\n", ",\n", ");\n", bridgeArgs) .end("}\n"); } writer.end("}\n"); }
@Override public String toString() { ExpressionWriter writer = new ExpressionWriter(true); accept(writer, 0, 0); return writer.toString(); }