Package com.facebook.presto.byteCode

Examples of com.facebook.presto.byteCode.Block

100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
        CompilerContext context = generatorContext.getContext();

        ByteCodeNode switchBlock;
        if (constantValues.size() < 1000) {
            Block switchCaseBlocks = new Block(context);
            LookupSwitch.LookupSwitchBuilder switchBuilder = lookupSwitchBuilder();
            for (Map.Entry<Integer, Collection<ByteCodeNode>> bucket : hashBuckets.asMap().entrySet()) {
                LabelNode label = new LabelNode("inHash" + bucket.getKey());
                switchBuilder.addCase(bucket.getKey(), label);
                Collection<ByteCodeNode> testValues = bucket.getValue();

                Block caseBlock = buildInCase(generatorContext, context, type, label, match, defaultLabel, testValues, false);
                switchCaseBlocks
                        .append(caseBlock.setDescription("case " + bucket.getKey()));
            }
            switchBuilder.defaultCase(defaultLabel);

            switchBlock = new Block(context)
                    .comment("lookupSwitch(hashCode(<stackValue>))")
                    .dup(javaType)
                    .invokeDynamic(hashCodeFunction.getName(), hashCodeFunction.getCallSite().type(), hashCodeFunction.getBindingId())
                    .append(switchBuilder.build())
                    .append(switchCaseBlocks);
        }
        else {
            // TODO: replace Set with fastutils (or similar) primitive sets if types are primitive
            // for huge IN lists, use a Set
            FunctionBinding constant = generatorContext.getBootstrapBinder().bindConstant(constantValues, Set.class);

            switchBlock = new Block(context)
                    .comment("inListSet.contains(<stackValue>)")
                    .append(new IfStatement(context,
                            new Block(context)
                                    .comment("value (+boxing if necessary)")
                                    .dup(javaType)
                                    .append(ByteCodeUtils.boxPrimitive(context, javaType))
                                    .comment("set")
                                    .invokeDynamic(
                                            constant.getName(),
                                            constant.getCallSite().type(),
                                            constant.getBindingId())
                                    // TODO: use invokeVirtual on the set instead. This requires swapping the two elements in the stack
                                    .invokeStatic(CompilerOperations.class, "in", boolean.class, Object.class, Set.class),
                            jump(match),
                            NOP));
        }

        Block defaultCaseBlock = buildInCase(generatorContext, context, type, defaultLabel, match, noMatch, defaultBucket.build(), true).setDescription("default");

        Block block = new Block(context)
                .comment("IN")
                .append(value)
                .append(ifWasNullPopAndGoto(context, end, boolean.class, javaType))
                .append(switchBlock)
                .append(defaultCaseBlock);

        Block matchBlock = new Block(context)
                .setDescription("match")
                .visitLabel(match)
                .pop(javaType)
                .putVariable("wasNull", false)
                .push(true)
                .gotoLabel(end);
        block.append(matchBlock);

        Block noMatchBlock = new Block(context)
                .setDescription("noMatch")
                .visitLabel(noMatch)
                .pop(javaType)
                .push(false)
                .gotoLabel(end);
View Full Code Here
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
        Variable caseWasNull = null;
        if (checkForNulls) {
            caseWasNull = context.createTempVariable(boolean.class);
        }

        Block caseBlock = new Block(context)
                .visitLabel(caseLabel);

        if (checkForNulls) {
            caseBlock.putVariable(caseWasNull.getLocalVariableDefinition(), false);
        }

        LabelNode elseLabel = new LabelNode("else");
        Block elseBlock = new Block(context)
                .visitLabel(elseLabel);

        if (checkForNulls) {
            elseBlock.getVariable(caseWasNull.getLocalVariableDefinition())
                    .putVariable("wasNull");
        }

        elseBlock.gotoLabel(noMatchLabel);

        FunctionBinding equalsFunction = generatorContext.getBootstrapBinder().bindOperator(
                OperatorType.EQUAL,
                generatorContext.generateGetSession(),
                ImmutableList.<ByteCodeNode>of(NOP, NOP),
                ImmutableList.of(type, type));

        ByteCodeNode elseNode = elseBlock;
        for (ByteCodeNode testNode : testValues) {
            LabelNode testLabel = new LabelNode("test");
            IfStatement.IfStatementBuilder test = ifStatementBuilder(context);

            Block condition = new Block(context)
                    .visitLabel(testLabel)
                    .dup(type.getJavaType())
                    .append(testNode);

            if (checkForNulls) {
                condition.getVariable("wasNull")
                        .putVariable(caseWasNull.getLocalVariableDefinition())
                        .append(ifWasNullPopAndGoto(context, elseLabel, void.class, type.getJavaType(), type.getJavaType()));
            }
            condition.invokeDynamic(equalsFunction.getName(), equalsFunction.getCallSite().type(), equalsFunction.getBindingId());
            test.condition(condition);

            test.ifTrue(new Block(context).gotoLabel(matchLabel));
            test.ifFalse(elseNode);

            elseNode = test.build();
            elseLabel = testLabel;
        }
View Full Code Here
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
            LabelNode label,
            Class<?> returnType,
            List<? extends Class<?>> stackArgsToPop,
            boolean clearNullFlag)
    {
        Block nullCheck = new Block(context)
                .setDescription("ifWasNullGoto")
                .getVariable("wasNull");

        String clearComment = null;
        if (clearNullFlag) {
            nullCheck.putVariable("wasNull", false);
            clearComment = "clear wasNull";
        }

        Block isNull = new Block(context);
        for (Class<?> parameterType : stackArgsToPop) {
            isNull.pop(parameterType);
        }

        isNull.pushJavaDefault(returnType);
        String loadDefaultComment = null;
        if (returnType != void.class) {
            loadDefaultComment = format("loadJavaDefault(%s)", returnType.getName());
        }

        isNull.gotoLabel(label);

        String popComment = null;
        if (!stackArgsToPop.isEmpty()) {
            popComment = format("pop(%s)", Joiner.on(", ").join(stackArgsToPop));
        }
View Full Code Here
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
        return new IfStatement(context, comment, nullCheck, isNull, NOP);
    }

    public static ByteCodeNode boxPrimitive(CompilerContext context, Class<?> type)
    {
        Block block = new Block(context).comment("box primitive");
        if (type == long.class) {
            return block.invokeStatic(Long.class, "valueOf", Long.class, long.class);
        }
        if (type == double.class) {
            return block.invokeStatic(Double.class, "valueOf", Double.class, double.class);
        }
        if (type == boolean.class) {
            return block.invokeStatic(Boolean.class, "valueOf", Boolean.class, boolean.class);
        }
        if (type.isPrimitive()) {
            throw new UnsupportedOperationException("not yet implemented: " + type);
        }
View Full Code Here
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
        return NOP;
    }

    public static ByteCodeNode unboxPrimitive(CompilerContext context, Class<?> unboxedType)
    {
        Block block = new Block(context).comment("unbox primitive");
        if (unboxedType == long.class) {
            return block.invokeVirtual(Long.class, "longValue", long.class);
        }
        if (unboxedType == double.class) {
            return block.invokeVirtual(Double.class, "doubleValue", double.class);
        }
        if (unboxedType == boolean.class) {
            return block.invokeVirtual(Boolean.class, "booleanValue", boolean.class);
        }
        throw new UnsupportedOperationException("not yet implemented: " + unboxedType);
    }
View Full Code Here
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
        List<ByteCodeNode> arguments = functionBinding.getArguments();
        MethodType methodType = functionBinding.getCallSite().type();
        Class<?> unboxedReturnType = Primitives.unwrap(methodType.returnType());

        LabelNode end = new LabelNode("end");
        Block block = new Block(context)
                .setDescription("invoke " + signature)
                .comment(comment);
        ArrayList<Class<?>> stackTypes = new ArrayList<>();
        for (int i = 0; i < arguments.size(); i++) {
            block.append(arguments.get(i));
            stackTypes.add(methodType.parameterType(i));
            block.append(ByteCodeUtils.ifWasNullPopAndGoto(context, end, unboxedReturnType, Lists.reverse(stackTypes)));
        }
        block.invokeDynamic(functionBinding.getName(), methodType, functionBinding.getBindingId());

        if (functionBinding.isNullable()) {
            if (unboxedReturnType.isPrimitive()) {
                LabelNode notNull = new LabelNode("notNull");
                block.dup(methodType.returnType())
                        .ifNotNullGoto(notNull)
                        .putVariable("wasNull", true)
                        .comment("swap boxed null with unboxed default")
                        .pop(methodType.returnType())
                        .pushJavaDefault(unboxedReturnType)
                        .gotoLabel(end)
                        .visitLabel(notNull)
                        .append(ByteCodeUtils.unboxPrimitive(context, unboxedReturnType));
            }
            else {
                block.dup(methodType.returnType())
                        .ifNotNullGoto(end)
                        .putVariable("wasNull", true);
            }
        }
        block.visitLabel(end);

        return block;
    }
View Full Code Here
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
        //

        // for (position = 0; position < rows; position++)
        ForLoopBuilder forLoop = forLoopBuilder(compilerContext)
                .comment("for (position = 0; position < rows; position++)")
                .initialize(new Block(compilerContext).putVariable(positionVariable, 0))
                .condition(new Block(compilerContext)
                        .getVariable(positionVariable)
                        .getVariable(rowsVariable)
                        .invokeStatic(CompilerOperations.class, "lessThan", boolean.class, int.class, int.class))
                .update(new Block(compilerContext).incrementVariable(positionVariable, (byte) 1));

        Block forLoopBody = new Block(compilerContext);

        IfStatementBuilder ifStatement = new IfStatementBuilder(compilerContext)
                .comment("if (filter(position, blocks...)");
        Block condition = new Block(compilerContext);
        condition.pushThis();
        condition.getVariable(positionVariable);
        List<Integer> filterInputChannels = getInputChannels(filter);
        for (int channel : filterInputChannels) {
            condition.getVariable("block_" + channel);
        }
        condition.invokeVirtual(classDefinition.getType(),
                "filter",
                type(boolean.class),
                ImmutableList.<ParameterizedType>builder()
                        .add(type(int.class))
                        .addAll(nCopies(filterInputChannels.size(), type(com.facebook.presto.spi.block.Block.class)))
                        .build());
        ifStatement.condition(condition);

        Block trueBlock = new Block(compilerContext);
        if (projections.isEmpty()) {
            trueBlock
                    .comment("pageBuilder.declarePosition()")
                    .getVariable("pageBuilder")
                    .invokeVirtual(PageBuilder.class, "declarePosition", void.class);
        }
        else {
            // pageBuilder.getBlockBuilder(0).append(block.getDouble(0);
            for (int projectionIndex = 0; projectionIndex < projections.size(); projectionIndex++) {
                trueBlock.comment("project_%s(position, blocks..., pageBuilder.getBlockBuilder(%s))", projectionIndex, projectionIndex);
                trueBlock.pushThis();
                List<Integer> projectionInputs = getInputChannels(projections.get(projectionIndex));
                trueBlock.getVariable(positionVariable);
                for (int channel : projectionInputs) {
                    trueBlock.getVariable("block_" + channel);
                }

                // pageBuilder.getBlockBuilder(0)
                trueBlock.getVariable("pageBuilder")
                        .push(projectionIndex)
                        .invokeVirtual(PageBuilder.class, "getBlockBuilder", BlockBuilder.class, int.class);

                // project(position, block_0, block_1, blockBuilder)
                trueBlock.invokeVirtual(classDefinition.getType(),
                        "project_" + projectionIndex,
                        type(void.class),
                        ImmutableList.<ParameterizedType>builder()
                                .add(type(int.class))
                                .addAll(nCopies(projectionInputs.size(), type(com.facebook.presto.spi.block.Block.class)))
View Full Code Here
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
        // for loop loop body
        //
        LabelNode done = new LabelNode("done");
        ForLoopBuilder forLoop = ForLoop.forLoopBuilder(compilerContext)
                .initialize(NOP)
                .condition(new Block(compilerContext)
                        .comment("completedPositions < 16384")
                        .getVariable(completedPositionsVariable)
                        .push(16384)
                        .invokeStatic(CompilerOperations.class, "lessThan", boolean.class, int.class, int.class)
                )
                .update(new Block(compilerContext)
                        .comment("completedPositions++")
                        .incrementVariable(completedPositionsVariable, (byte) 1)
                );

        Block forLoopBody = new Block(compilerContext);
        forLoop.body(forLoopBody);

        forLoopBody.comment("if (pageBuilder.isFull()) break;")
                .append(new Block(compilerContext)
                        .getVariable("pageBuilder")
                        .invokeVirtual(PageBuilder.class, "isFull", boolean.class)
                        .ifTrueGoto(done));

        forLoopBody.comment("if (!cursor.advanceNextPosition()) break;")
                .append(new Block(compilerContext)
                        .getVariable("cursor")
                        .invokeInterface(RecordCursor.class, "advanceNextPosition", boolean.class)
                        .ifFalseGoto(done));

        // if (filter(cursor))
        IfStatementBuilder ifStatement = new IfStatementBuilder(compilerContext);
        ifStatement.condition(new Block(compilerContext)
                .pushThis()
                .getVariable("cursor")
                .invokeVirtual(classDefinition.getType(), "filter", type(boolean.class), type(RecordCursor.class)));

        Block trueBlock = new Block(compilerContext);
        ifStatement.ifTrue(trueBlock);
        if (projections.isEmpty()) {
            // pageBuilder.declarePosition();
            trueBlock.getVariable("pageBuilder").invokeVirtual(PageBuilder.class, "declarePosition", void.class);
        }
        else {
            // project_43(block..., pageBuilder.getBlockBuilder(42)));
            for (int projectionIndex = 0; projectionIndex < projections.size(); projectionIndex++) {
                trueBlock.pushThis();
                trueBlock.getVariable("cursor");

                // pageBuilder.getBlockBuilder(0)
                trueBlock.getVariable("pageBuilder")
                        .push(projectionIndex)
                        .invokeVirtual(PageBuilder.class, "getBlockBuilder", BlockBuilder.class, int.class);

                // project(block..., blockBuilder)
                trueBlock.invokeVirtual(classDefinition.getType(),
                        "project_" + projectionIndex,
                        type(void.class),
                        type(RecordCursor.class),
                        type(BlockBuilder.class));
            }
View Full Code Here
634
635
636
637
638
639
640
641
642
643
644
        }

        filterMethod.comment("Filter: %s", filter.toString());

        filterMethod.getCompilerContext().declareVariable(type(boolean.class), "wasNull");
        Block getSessionByteCode = new Block(filterMethod.getCompilerContext()).pushThis().getField(classDefinition.getType(), "session", type(ConnectorSession.class));
        ByteCodeNode body = compileExpression(bootstrap, filter, expressionTypes, sourceIsCursor, timeZoneKey, filterMethod.getCompilerContext(), getSessionByteCode);

        LabelNode end = new LabelNode("end");
        filterMethod
                .getBody()
View Full Code Here
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
        projectionMethod.comment("Projection: %s", projection.toString());

        // generate body code
        CompilerContext context = projectionMethod.getCompilerContext();
        context.declareVariable(type(boolean.class), "wasNull");
        Block getSessionByteCode = new Block(context).pushThis().getField(classDefinition.getType(), "session", type(ConnectorSession.class));

        ByteCodeNode body = compileExpression(bootstrap, projection, expressionTypes, sourceIsCursor, timeZoneKey, context, getSessionByteCode);

        projectionMethod
                .getBody()
                .comment("boolean wasNull = false;")
                .putVariable("wasNull", false)
                .getVariable("output")
                .append(body);

        Type projectionType = expressionTypes.get(projection);
        Block notNullBlock = new Block(context);
        if (projectionType.getJavaType() == boolean.class) {
            notNullBlock
                    .comment("output.append(<booleanStackValue>);")
                    .invokeInterface(BlockBuilder.class, "appendBoolean", BlockBuilder.class, boolean.class)
                    .pop();
        }
        else if (projectionType.getJavaType() == long.class) {
            notNullBlock
                    .comment("output.append(<longStackValue>);")
                    .invokeInterface(BlockBuilder.class, "appendLong", BlockBuilder.class, long.class)
                    .pop();
        }
        else if (projectionType.getJavaType() == double.class) {
            notNullBlock
                    .comment("output.append(<doubleStackValue>);")
                    .invokeInterface(BlockBuilder.class, "appendDouble", BlockBuilder.class, double.class)
                    .pop();
        }
        else if (projectionType.getJavaType() == Slice.class) {
            notNullBlock
                    .comment("output.append(<sliceStackValue>);")
                    .invokeInterface(BlockBuilder.class, "appendSlice", BlockBuilder.class, Slice.class)
                    .pop();
        }
        else {
            throw new UnsupportedOperationException("Type " + projectionType + " can not be output yet");
        }

        Block nullBlock = new Block(context)
                .comment("output.appendNull();")
                .pop(projectionType.getJavaType())
                .invokeInterface(BlockBuilder.class, "appendNull", BlockBuilder.class)
                .pop();

        projectionMethod.getBody()
                .comment("if the result was null, appendNull; otherwise append the value")
                .append(new IfStatement(context, new Block(context).getVariable("wasNull"), nullBlock, notNullBlock))
                .ret();

        return projectionType.getJavaType();
    }
View Full Code Here
TOP

Related Classes of com.facebook.presto.byteCode.Block

  • com.facebook.presto.byteCode.control.DoWhileLoop
  • com.facebook.presto.byteCode.control.ForLoop
  • com.facebook.presto.byteCode.control.IfStatement
  • com.facebook.presto.byteCode.control.TryCatch
  • com.facebook.presto.byteCode.control.WhileLoop
  • com.facebook.presto.byteCode.debug.LineNumberNode
  • com.facebook.presto.byteCode.expression.AndByteCodeExpression
  • com.facebook.presto.byteCode.expression.ArithmeticByteCodeExpression
  • com.facebook.presto.byteCode.expression.CastByteCodeExpression
  • com.facebook.presto.byteCode.expression.ComparisonByteCodeExpression
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.