Package com.facebook.presto.byteCode.control

Examples of com.facebook.presto.byteCode.control.IfStatement$IfStatementBuilder

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            if (javaType == boolean.class) {
                Block isNotNull = new Block(context)
                        .getVariable("cursor")
                        .push(channel)
                        .invokeInterface(RecordCursor.class, "getBoolean", boolean.class, int.class);
                return new IfStatement(context, isNullCheck, isNull, isNotNull);
            }
            else if (javaType == long.class) {
                Block isNotNull = new Block(context)
                        .getVariable("cursor")
                        .push(channel)
                        .invokeInterface(RecordCursor.class, "getLong", long.class, int.class);
                return new IfStatement(context, isNullCheck, isNull, isNotNull);
            }
            else if (javaType == double.class) {
                Block isNotNull = new Block(context)
                        .getVariable("cursor")
                        .push(channel)
                        .invokeInterface(RecordCursor.class, "getDouble", double.class, int.class);
                return new IfStatement(context, isNullCheck, isNull, isNotNull);
            }
            else if (javaType == Slice.class) {
                Block isNotNull = new Block(context)
                        .getVariable("cursor")
                        .push(channel)
                        .invokeInterface(RecordCursor.class, "getSlice", Slice.class, int.class);
                return new IfStatement(context, isNullCheck, isNull, isNotNull);
            }
            else {
                throw new UnsupportedOperationException("not yet implemented: " + type);
            }
        }
        else {
            Block isNullCheck = new Block(context)
                    .setDescription(format("block_%d.get%s()", channel, type))
                    .getVariable("block_" + channel)
                    .getVariable("position")
                    .invokeInterface(com.facebook.presto.spi.block.Block.class, "isNull", boolean.class, int.class);

            Block isNull = new Block(context)
                    .putVariable("wasNull", true)
                    .pushJavaDefault(javaType);
            if (javaType == boolean.class) {
                Block isNotNull = new Block(context)
                        .getVariable("block_" + channel)
                        .getVariable("position")
                        .invokeInterface(com.facebook.presto.spi.block.Block.class, "getBoolean", boolean.class, int.class);
                return new IfStatement(context, isNullCheck, isNull, isNotNull);
            }
            else if (javaType == long.class) {
                Block isNotNull = new Block(context)
                        .getVariable("block_" + channel)
                        .getVariable("position")
                        .invokeInterface(com.facebook.presto.spi.block.Block.class, "getLong", long.class, int.class);
                return new IfStatement(context, isNullCheck, isNull, isNotNull);
            }
            else if (javaType == double.class) {
                Block isNotNull = new Block(context)
                        .getVariable("block_" + channel)
                        .getVariable("position")
                        .invokeInterface(com.facebook.presto.spi.block.Block.class, "getDouble", double.class, int.class);
                return new IfStatement(context, isNullCheck, isNull, isNotNull);
            }
            else if (javaType == Slice.class) {
                Block isNotNull = new Block(context)
                        .getVariable("block_" + channel)
                        .getVariable("position")
                        .invokeInterface(com.facebook.presto.spi.block.Block.class, "getSlice", Slice.class, int.class);
                return new IfStatement(context, isNullCheck, isNull, isNotNull);
            }
            else {
                throw new UnsupportedOperationException("not yet implemented: " + type);
            }
        }
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        Block block = new Block(context)
                .comment(node.toString())
                .comment("left")
                .append(process(node.getLeft(), context))
                .append(new IfStatement(context,
                        new Block(context).getVariable("wasNull"),
                        new Block(context)
                                .pop(leftType.getJavaType())
                                .putVariable("wasNull", false)
                                .comment("right is not null")
                                .append(process(node.getRight(), context))
                                .pop(rightType.getJavaType())
                                .getVariable("wasNull")
                                .invokeStatic(CompilerOperations.class, "not", boolean.class, boolean.class),
                        new Block(context)
                                .comment("right")
                                .append(process(node.getRight(), context))
                                .append(new IfStatement(context,
                                        new Block(context).getVariable("wasNull"),
                                        new Block(context)
                                                .pop(leftType.getJavaType())
                                                .pop(rightType.getJavaType())
                                                .push(true),
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                    .getVariable("wasNull")
                    .invokeStatic(CompilerOperations.class, "not", boolean.class, boolean.class)
                    .invokeStatic(CompilerOperations.class, "and", boolean.class, boolean.class, boolean.class)
                    .putVariable("wasNull", false);

            elseValue = new IfStatement(context, condition, whenClause.valueBlock, elseValue);
        }

        return elseValue;
    }
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            Block condition = new Block(context)
                    .append(equalsCall)
                    .putVariable("wasNull", false);

            elseValue = new IfStatement(context,
                    format("when %s", whenClause.operand),
                    condition,
                    whenClause.valueBlock,
                    elseValue);
        }
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                .putVariable("wasNull", true)
                .pop(firstType.getJavaType())
                .pushJavaDefault(firstType.getJavaType());

        // else return first (which is still on the stack
        block.append(new IfStatement(context, conditionBlock, trueBlock, notMatch));

        return block;
    }
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            Block nullBlock = new Block(context)
                    .pop(type)
                    .putVariable("wasNull", false)
                    .append(nullValue);

            nullValue = new IfStatement(context, condition, nullBlock, NOP);
        }

        return nullValue;
    }
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                    ImmutableList.<ByteCodeNode>of(),
                    new InFunctionBinder(javaType, constantValues));

            switchBlock = new Block(context)
                    .comment("inListSet.contains(<stackValue>)")
                    .append(new IfStatement(context,
                            new Block(context).dup(javaType).invokeDynamic(functionBinding.getName(), functionBinding.getCallSite().type(), functionBinding.getBindingId()),
                            jump(match),
                            NOP));
        }
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            if (javaType == boolean.class) {
                Block isNotNull = new Block(context)
                        .getVariable("cursor")
                        .push(channel)
                        .invokeInterface(RecordCursor.class, "getBoolean", boolean.class, int.class);
                return new IfStatement(context, isNullCheck, isNull, isNotNull);
            }
            else if (javaType == long.class) {
                Block isNotNull = new Block(context)
                        .getVariable("cursor")
                        .push(channel)
                        .invokeInterface(RecordCursor.class, "getLong", long.class, int.class);
                return new IfStatement(context, isNullCheck, isNull, isNotNull);
            }
            else if (javaType == double.class) {
                Block isNotNull = new Block(context)
                        .getVariable("cursor")
                        .push(channel)
                        .invokeInterface(RecordCursor.class, "getDouble", double.class, int.class);
                return new IfStatement(context, isNullCheck, isNull, isNotNull);
            }
            else if (javaType == Slice.class) {
                Block isNotNull = new Block(context)
                        .getVariable("cursor")
                        .push(channel)
                        .invokeInterface(RecordCursor.class, "getSlice", Slice.class, int.class);
                return new IfStatement(context, isNullCheck, isNull, isNotNull);
            }
            else {
                throw new UnsupportedOperationException("not yet implemented: " + type);
            }
        }
        else {
            Block isNullCheck = new Block(context)
                    .setDescription(format("channel_%d.get%s()", channel, type))
                    .getVariable("channel_" + channel)
                    .invokeInterface(BlockCursor.class, "isNull", boolean.class);

            Block isNull = new Block(context)
                    .putVariable("wasNull", true)
                    .pushJavaDefault(javaType);
            if (javaType == boolean.class) {
                Block isNotNull = new Block(context)
                        .getVariable("channel_" + channel)
                        .invokeInterface(BlockCursor.class, "getBoolean", boolean.class);
                return new IfStatement(context, isNullCheck, isNull, isNotNull);
            }
            else if (javaType == long.class) {
                Block isNotNull = new Block(context)
                        .getVariable("channel_" + channel)
                        .invokeInterface(BlockCursor.class, "getLong", long.class);
                return new IfStatement(context, isNullCheck, isNull, isNotNull);
            }
            else if (javaType == double.class) {
                Block isNotNull = new Block(context)
                        .getVariable("channel_" + channel)
                        .invokeInterface(BlockCursor.class, "getDouble", double.class);
                return new IfStatement(context, isNullCheck, isNull, isNotNull);
            }
            else if (javaType == Slice.class) {
                Block isNotNull = new Block(context)
                        .getVariable("channel_" + channel)
                        .invokeInterface(BlockCursor.class, "getSlice", Slice.class);
                return new IfStatement(context, isNullCheck, isNull, isNotNull);
            }
            else {
                throw new UnsupportedOperationException("not yet implemented: " + type);
            }
        }
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        Block block = new Block(context)
                .comment(node.toString())
                .comment("left")
                .append(process(node.getLeft(), context))
                .append(new IfStatement(context,
                        new Block(context).getVariable("wasNull"),
                        new Block(context)
                                .pop(leftType.getJavaType())
                                .putVariable("wasNull", false)
                                .comment("right is not null")
                                .append(process(node.getRight(), context))
                                .pop(rightType.getJavaType())
                                .getVariable("wasNull")
                                .invokeStatic(CompilerOperations.class, "not", boolean.class, boolean.class),
                        new Block(context)
                                .comment("right")
                                .append(process(node.getRight(), context))
                                .append(new IfStatement(context,
                                        new Block(context).getVariable("wasNull"),
                                        new Block(context)
                                                .pop(leftType.getJavaType())
                                                .pop(rightType.getJavaType())
                                                .push(true),
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                    .getVariable("wasNull")
                    .invokeStatic(CompilerOperations.class, "not", boolean.class, boolean.class)
                    .invokeStatic(CompilerOperations.class, "and", boolean.class, boolean.class, boolean.class)
                    .putVariable("wasNull", false);

            elseValue = new IfStatement(context, condition, whenClause.valueBlock, elseValue);
        }

        return elseValue;
    }
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Related Classes of com.facebook.presto.byteCode.control.IfStatement$IfStatementBuilder

  • com.facebook.presto.byteCode.Block
  • com.facebook.presto.sql.gen.ByteCodeExpressionVisitor
  • com.facebook.presto.sql.gen.ByteCodeUtils
  • com.facebook.presto.sql.gen.CoalesceCodeGenerator
  • com.facebook.presto.sql.gen.CursorProcessorCompiler
  • com.facebook.presto.sql.gen.ExpressionCompiler
  • com.facebook.presto.sql.gen.IfCodeGenerator
  • com.facebook.presto.sql.gen.InCodeGenerator
  • com.facebook.presto.sql.gen.IsDistinctFromCodeGenerator
  • com.facebook.presto.sql.gen.JoinProbeCompiler
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