jdk.nashorn.internal.ir.JumpStatement Java Examples

The following examples show how to use jdk.nashorn.internal.ir.JumpStatement. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: SplitIntoFunctions.java    From jdk8u_nashorn with GNU General Public License v2.0 6 votes vote down vote up 
int getSplitStateIndex(final JumpStatement jump) {
    if (jump instanceof BreakNode && jump.getLabelName() == null) {
        // Unlabelled break is a special case
        hasBreak = true;
        return BREAK_STATE;
    }

    int i = 0;
    for(final JumpStatement exJump: jumpStatements) {
        if (jump.getClass() == exJump.getClass() && Objects.equals(jump.getLabelName(), exJump.getLabelName())) {
            return i + FIRST_JUMP_STATE;
        }
        ++i;
    }
    jumpStatements.add(jump);
    return i + FIRST_JUMP_STATE;
}
Example #2
Source File: SplitIntoFunctions.java    From TencentKona-8 with GNU General Public License v2.0 6 votes vote down vote up 
int getSplitStateIndex(final JumpStatement jump) {
    if (jump instanceof BreakNode && jump.getLabelName() == null) {
        // Unlabelled break is a special case
        hasBreak = true;
        return BREAK_STATE;
    }

    int i = 0;
    for(final JumpStatement exJump: jumpStatements) {
        if (jump.getClass() == exJump.getClass() && Objects.equals(jump.getLabelName(), exJump.getLabelName())) {
            return i + FIRST_JUMP_STATE;
        }
        ++i;
    }
    jumpStatements.add(jump);
    return i + FIRST_JUMP_STATE;
}
Example #3
Source File: SplitIntoFunctions.java    From hottub with GNU General Public License v2.0 6 votes vote down vote up 
int getSplitStateIndex(final JumpStatement jump) {
    if (jump instanceof BreakNode && jump.getLabelName() == null) {
        // Unlabelled break is a special case
        hasBreak = true;
        return BREAK_STATE;
    }

    int i = 0;
    for(final JumpStatement exJump: jumpStatements) {
        if (jump.getClass() == exJump.getClass() && Objects.equals(jump.getLabelName(), exJump.getLabelName())) {
            return i + FIRST_JUMP_STATE;
        }
        ++i;
    }
    jumpStatements.add(jump);
    return i + FIRST_JUMP_STATE;
}
Example #4
Source File: SplitIntoFunctions.java    From jdk8u60 with GNU General Public License v2.0 6 votes vote down vote up 
int getSplitStateIndex(final JumpStatement jump) {
    if (jump instanceof BreakNode && jump.getLabelName() == null) {
        // Unlabelled break is a special case
        hasBreak = true;
        return BREAK_STATE;
    }

    int i = 0;
    for(final JumpStatement exJump: jumpStatements) {
        if (jump.getClass() == exJump.getClass() && Objects.equals(jump.getLabelName(), exJump.getLabelName())) {
            return i + FIRST_JUMP_STATE;
        }
        ++i;
    }
    jumpStatements.add(jump);
    return i + FIRST_JUMP_STATE;
}
Example #5
Source File: SplitIntoFunctions.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up 
int getSplitStateIndex(final JumpStatement jump) {
    if (jump instanceof BreakNode && jump.getLabelName() == null) {
        // Unlabelled break is a special case
        hasBreak = true;
        return BREAK_STATE;
    }

    int i = 0;
    for(final JumpStatement exJump: jumpStatements) {
        if (jump.getClass() == exJump.getClass() && Objects.equals(jump.getLabelName(), exJump.getLabelName())) {
            return i + FIRST_JUMP_STATE;
        }
        ++i;
    }
    jumpStatements.add(jump);
    return i + FIRST_JUMP_STATE;
}
Example #6
Source File: SplitIntoFunctions.java    From openjdk-jdk8u with GNU General Public License v2.0 6 votes vote down vote up 
int getSplitStateIndex(final JumpStatement jump) {
    if (jump instanceof BreakNode && jump.getLabelName() == null) {
        // Unlabelled break is a special case
        hasBreak = true;
        return BREAK_STATE;
    }

    int i = 0;
    for(final JumpStatement exJump: jumpStatements) {
        if (jump.getClass() == exJump.getClass() && Objects.equals(jump.getLabelName(), exJump.getLabelName())) {
            return i + FIRST_JUMP_STATE;
        }
        ++i;
    }
    jumpStatements.add(jump);
    return i + FIRST_JUMP_STATE;
}
Example #7
Source File: SplitIntoFunctions.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 6 votes vote down vote up 
int getSplitStateIndex(final JumpStatement jump) {
    if (jump instanceof BreakNode && jump.getLabelName() == null) {
        // Unlabelled break is a special case
        hasBreak = true;
        return BREAK_STATE;
    }

    int i = 0;
    for(final JumpStatement exJump: jumpStatements) {
        if (jump.getClass() == exJump.getClass() && Objects.equals(jump.getLabelName(), exJump.getLabelName())) {
            return i + FIRST_JUMP_STATE;
        }
        ++i;
    }
    jumpStatements.add(jump);
    return i + FIRST_JUMP_STATE;
}
Example #8
Source File: SplitIntoFunctions.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up 
private JumpStatement leaveJumpNode(final JumpStatement jump) {
    if (inSplitNode()) {
        final SplitState splitState = getCurrentSplitState();
        final SplitNode splitNode = splitState.splitNode;
        if (lc.isExternalTarget(splitNode, jump.getTarget(lc))) {
            appendSplitReturn(splitState.getSplitStateIndex(jump), jump.getLineNumber());
            return jump;
        }
    }
    appendStatement(jump);
    return jump;
}
Example #9
Source File: LocalVariableTypesCalculator.java    From jdk8u_nashorn with GNU General Public License v2.0 5 votes vote down vote up 
private boolean enterJumpStatement(final JumpStatement jump) {
    if(!reachable) {
        return false;
    }
    assertTypeStackIsEmpty();
    jumpToLabel(jump, jump.getTargetLabel(lc), getBreakTargetTypes(jump.getPopScopeLimit(lc)));
    doesNotContinueSequentially();
    return false;
}
Example #10
Source File: SplitIntoFunctions.java    From jdk8u_nashorn with GNU General Public License v2.0 5 votes vote down vote up 
private JumpStatement leaveJumpNode(final JumpStatement jump) {
    if (inSplitNode()) {
        final SplitState splitState = getCurrentSplitState();
        final SplitNode splitNode = splitState.splitNode;
        if (lc.isExternalTarget(splitNode, jump.getTarget(lc))) {
            appendSplitReturn(splitState.getSplitStateIndex(jump), jump.getLineNumber());
            return jump;
        }
    }
    appendStatement(jump);
    return jump;
}
Example #11
Source File: LocalVariableTypesCalculator.java    From hottub with GNU General Public License v2.0 5 votes vote down vote up 
private boolean enterJumpStatement(final JumpStatement jump) {
    if(!reachable) {
        return false;
    }
    assertTypeStackIsEmpty();
    jumpToLabel(jump, jump.getTargetLabel(lc), getBreakTargetTypes(jump.getPopScopeLimit(lc)));
    doesNotContinueSequentially();
    return false;
}
Example #12
Source File: SplitIntoFunctions.java    From hottub with GNU General Public License v2.0 5 votes vote down vote up 
private JumpStatement leaveJumpNode(final JumpStatement jump) {
    if (inSplitNode()) {
        final SplitState splitState = getCurrentSplitState();
        final SplitNode splitNode = splitState.splitNode;
        if (lc.isExternalTarget(splitNode, jump.getTarget(lc))) {
            appendSplitReturn(splitState.getSplitStateIndex(jump), jump.getLineNumber());
            return jump;
        }
    }
    appendStatement(jump);
    return jump;
}
Example #13
Source File: LocalVariableTypesCalculator.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up 
private boolean enterJumpStatement(final JumpStatement jump) {
    if(!reachable) {
        return false;
    }
    assertTypeStackIsEmpty();
    jumpToLabel(jump, jump.getTargetLabel(lc), getBreakTargetTypes(jump.getPopScopeLimit(lc)));
    doesNotContinueSequentially();
    return false;
}
Example #14
Source File: SplitIntoFunctions.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up 
private JumpStatement leaveJumpNode(final JumpStatement jump) {
    if (inSplitNode()) {
        final SplitState splitState = getCurrentSplitState();
        final SplitNode splitNode = splitState.splitNode;
        if (lc.isExternalTarget(splitNode, jump.getTarget(lc))) {
            appendSplitReturn(splitState.getSplitStateIndex(jump), jump.getLineNumber());
            return jump;
        }
    }
    appendStatement(jump);
    return jump;
}
Example #15
Source File: LocalVariableTypesCalculator.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up 
private boolean enterJumpStatement(final JumpStatement jump) {
    if(!reachable) {
        return false;
    }
    assertTypeStackIsEmpty();
    jumpToLabel(jump, jump.getTargetLabel(lc), getBreakTargetTypes(jump.getPopScopeLimit(lc)));
    doesNotContinueSequentially();
    return false;
}
Example #16
Source File: SplitIntoFunctions.java    From TencentKona-8 with GNU General Public License v2.0 5 votes vote down vote up 
private JumpStatement leaveJumpNode(final JumpStatement jump) {
    if (inSplitNode()) {
        final SplitState splitState = getCurrentSplitState();
        final SplitNode splitNode = splitState.splitNode;
        if (lc.isExternalTarget(splitNode, jump.getTarget(lc))) {
            appendSplitReturn(splitState.getSplitStateIndex(jump), jump.getLineNumber());
            return jump;
        }
    }
    appendStatement(jump);
    return jump;
}
Example #17
Source File: LocalVariableTypesCalculator.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up 
private boolean enterJumpStatement(final JumpStatement jump) {
    if(!reachable) {
        return false;
    }
    assertTypeStackIsEmpty();
    jumpToLabel(jump, jump.getTargetLabel(lc), getBreakTargetTypes(jump.getPopScopeLimit(lc)));
    doesNotContinueSequentially();
    return false;
}
Example #18
Source File: SplitIntoFunctions.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up 
private JumpStatement leaveJumpNode(final JumpStatement jump) {
    if (inSplitNode()) {
        final SplitState splitState = getCurrentSplitState();
        final SplitNode splitNode = splitState.splitNode;
        if (lc.isExternalTarget(splitNode, jump.getTarget(lc))) {
            appendSplitReturn(splitState.getSplitStateIndex(jump), jump.getLineNumber());
            return jump;
        }
    }
    appendStatement(jump);
    return jump;
}
Example #19
Source File: LocalVariableTypesCalculator.java    From TencentKona-8 with GNU General Public License v2.0 5 votes vote down vote up 
private boolean enterJumpStatement(final JumpStatement jump) {
    if(!reachable) {
        return false;
    }
    assertTypeStackIsEmpty();
    jumpToLabel(jump, jump.getTargetLabel(lc), getBreakTargetTypes(jump.getPopScopeLimit(lc)));
    doesNotContinueSequentially();
    return false;
}
Example #20
Source File: LocalVariableTypesCalculator.java    From jdk8u60 with GNU General Public License v2.0 5 votes vote down vote up 
private boolean enterJumpStatement(final JumpStatement jump) {
    if(!reachable) {
        return false;
    }
    assertTypeStackIsEmpty();
    jumpToLabel(jump, jump.getTargetLabel(lc), getBreakTargetTypes(jump.getPopScopeLimit(lc)));
    doesNotContinueSequentially();
    return false;
}
Example #21
Source File: SplitIntoFunctions.java    From jdk8u60 with GNU General Public License v2.0 5 votes vote down vote up 
private JumpStatement leaveJumpNode(final JumpStatement jump) {
    if (inSplitNode()) {
        final SplitState splitState = getCurrentSplitState();
        final SplitNode splitNode = splitState.splitNode;
        if (lc.isExternalTarget(splitNode, jump.getTarget(lc))) {
            appendSplitReturn(splitState.getSplitStateIndex(jump), jump.getLineNumber());
            return jump;
        }
    }
    appendStatement(jump);
    return jump;
}
Example #22
Source File: Lower.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Constructor.
 */
Lower(final Compiler compiler) {
    super(new BlockLexicalContext() {

        @Override
        public List<Statement> popStatements() {
            final List<Statement> newStatements = new ArrayList<>();
            boolean terminated = false;

            final List<Statement> statements = super.popStatements();
            for (final Statement statement : statements) {
                if (!terminated) {
                    newStatements.add(statement);
                    if (statement.isTerminal() || statement instanceof JumpStatement) { //TODO hasGoto? But some Loops are hasGoto too - why?
                        terminated = true;
                    }
                } else {
                    FoldConstants.extractVarNodesFromDeadCode(statement, newStatements);
                }
            }
            return newStatements;
        }

        @Override
        protected Block afterSetStatements(final Block block) {
            final List<Statement> stmts = block.getStatements();
            for(final ListIterator<Statement> li = stmts.listIterator(stmts.size()); li.hasPrevious();) {
                final Statement stmt = li.previous();
                // popStatements() guarantees that the only thing after a terminal statement are uninitialized
                // VarNodes. We skip past those, and set the terminal state of the block to the value of the
                // terminal state of the first statement that is not an uninitialized VarNode.
                if(!(stmt instanceof VarNode && ((VarNode)stmt).getInit() == null)) {
                    return block.setIsTerminal(this, stmt.isTerminal());
                }
            }
            return block.setIsTerminal(this, false);
        }
    });

    this.log = initLogger(compiler.getContext());
}
Example #23
Source File: SplitIntoFunctions.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up 
private Block enblockAndVisit(final JumpStatement jump) {
    artificialBlock = true;
    final Block block = (Block)new Block(NO_TOKEN, NO_FINISH, jump).accept(this);
    artificialBlock = false;
    return block;
}
Example #24
Source File: SplitIntoFunctions.java    From jdk8u_nashorn with GNU General Public License v2.0 4 votes vote down vote up 
private Block enblockAndVisit(final JumpStatement jump) {
    artificialBlock = true;
    final Block block = (Block)new Block(NO_TOKEN, NO_FINISH, jump).accept(this);
    artificialBlock = false;
    return block;
}
Example #25
Source File: Lower.java    From jdk8u_nashorn with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Constructor.
 */
Lower(final Compiler compiler) {
    super(new BlockLexicalContext() {

        @Override
        public List<Statement> popStatements() {
            final List<Statement> newStatements = new ArrayList<>();
            boolean terminated = false;

            final List<Statement> statements = super.popStatements();
            for (final Statement statement : statements) {
                if (!terminated) {
                    newStatements.add(statement);
                    if (statement.isTerminal() || statement instanceof JumpStatement) { //TODO hasGoto? But some Loops are hasGoto too - why?
                        terminated = true;
                    }
                } else {
                    FoldConstants.extractVarNodesFromDeadCode(statement, newStatements);
                }
            }
            return newStatements;
        }

        @Override
        protected Block afterSetStatements(final Block block) {
            final List<Statement> stmts = block.getStatements();
            for(final ListIterator<Statement> li = stmts.listIterator(stmts.size()); li.hasPrevious();) {
                final Statement stmt = li.previous();
                // popStatements() guarantees that the only thing after a terminal statement are uninitialized
                // VarNodes. We skip past those, and set the terminal state of the block to the value of the
                // terminal state of the first statement that is not an uninitialized VarNode.
                if(!(stmt instanceof VarNode && ((VarNode)stmt).getInit() == null)) {
                    return block.setIsTerminal(this, stmt.isTerminal());
                }
            }
            return block.setIsTerminal(this, false);
        }
    });

    this.log = initLogger(compiler.getContext());
}
Example #26
Source File: Lower.java    From jdk8u60 with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Constructor.
 */
Lower(final Compiler compiler) {
    super(new BlockLexicalContext() {

        @Override
        public List<Statement> popStatements() {
            final List<Statement> newStatements = new ArrayList<>();
            boolean terminated = false;

            final List<Statement> statements = super.popStatements();
            for (final Statement statement : statements) {
                if (!terminated) {
                    newStatements.add(statement);
                    if (statement.isTerminal() || statement instanceof JumpStatement) { //TODO hasGoto? But some Loops are hasGoto too - why?
                        terminated = true;
                    }
                } else {
                    statement.accept(new NodeVisitor<LexicalContext>(new LexicalContext()) {
                        @Override
                        public boolean enterVarNode(final VarNode varNode) {
                            newStatements.add(varNode.setInit(null));
                            return false;
                        }
                    });
                }
            }
            return newStatements;
        }

        @Override
        protected Block afterSetStatements(final Block block) {
            final List<Statement> stmts = block.getStatements();
            for(final ListIterator<Statement> li = stmts.listIterator(stmts.size()); li.hasPrevious();) {
                final Statement stmt = li.previous();
                // popStatements() guarantees that the only thing after a terminal statement are uninitialized
                // VarNodes. We skip past those, and set the terminal state of the block to the value of the
                // terminal state of the first statement that is not an uninitialized VarNode.
                if(!(stmt instanceof VarNode && ((VarNode)stmt).getInit() == null)) {
                    return block.setIsTerminal(this, stmt.isTerminal());
                }
            }
            return block.setIsTerminal(this, false);
        }
    });

    this.log = initLogger(compiler.getContext());
}
Example #27
Source File: SplitIntoFunctions.java    From jdk8u60 with GNU General Public License v2.0 4 votes vote down vote up 
private Block enblockAndVisit(final JumpStatement jump) {
    artificialBlock = true;
    final Block block = (Block)new Block(NO_TOKEN, NO_FINISH, jump).accept(this);
    artificialBlock = false;
    return block;
}
Example #28
Source File: SplitIntoFunctions.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up 
private Block enblockAndVisit(final JumpStatement jump) {
    artificialBlock = true;
    final Block block = (Block)new Block(NO_TOKEN, NO_FINISH, jump).accept(this);
    artificialBlock = false;
    return block;
}
Example #29
Source File: Lower.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Constructor.
 */
Lower(final Compiler compiler) {
    super(new BlockLexicalContext() {

        @Override
        public List<Statement> popStatements() {
            final List<Statement> newStatements = new ArrayList<>();
            boolean terminated = false;

            final List<Statement> statements = super.popStatements();
            for (final Statement statement : statements) {
                if (!terminated) {
                    newStatements.add(statement);
                    if (statement.isTerminal() || statement instanceof JumpStatement) { //TODO hasGoto? But some Loops are hasGoto too - why?
                        terminated = true;
                    }
                } else {
                    FoldConstants.extractVarNodesFromDeadCode(statement, newStatements);
                }
            }
            return newStatements;
        }

        @Override
        protected Block afterSetStatements(final Block block) {
            final List<Statement> stmts = block.getStatements();
            for(final ListIterator<Statement> li = stmts.listIterator(stmts.size()); li.hasPrevious();) {
                final Statement stmt = li.previous();
                // popStatements() guarantees that the only thing after a terminal statement are uninitialized
                // VarNodes. We skip past those, and set the terminal state of the block to the value of the
                // terminal state of the first statement that is not an uninitialized VarNode.
                if(!(stmt instanceof VarNode && ((VarNode)stmt).getInit() == null)) {
                    return block.setIsTerminal(this, stmt.isTerminal());
                }
            }
            return block.setIsTerminal(this, false);
        }
    });

    this.log = initLogger(compiler.getContext());
}
Example #30
Source File: Lower.java    From openjdk-jdk8u with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Constructor.
 */
Lower(final Compiler compiler) {
    super(new BlockLexicalContext() {

        @Override
        public List<Statement> popStatements() {
            final List<Statement> newStatements = new ArrayList<>();
            boolean terminated = false;

            final List<Statement> statements = super.popStatements();
            for (final Statement statement : statements) {
                if (!terminated) {
                    newStatements.add(statement);
                    if (statement.isTerminal() || statement instanceof JumpStatement) { //TODO hasGoto? But some Loops are hasGoto too - why?
                        terminated = true;
                    }
                } else {
                    FoldConstants.extractVarNodesFromDeadCode(statement, newStatements);
                }
            }
            return newStatements;
        }

        @Override
        protected Block afterSetStatements(final Block block) {
            final List<Statement> stmts = block.getStatements();
            for(final ListIterator<Statement> li = stmts.listIterator(stmts.size()); li.hasPrevious();) {
                final Statement stmt = li.previous();
                // popStatements() guarantees that the only thing after a terminal statement are uninitialized
                // VarNodes. We skip past those, and set the terminal state of the block to the value of the
                // terminal state of the first statement that is not an uninitialized VarNode.
                if(!(stmt instanceof VarNode && ((VarNode)stmt).getInit() == null)) {
                    return block.setIsTerminal(this, stmt.isTerminal());
                }
            }
            return block.setIsTerminal(this, false);
        }
    });

    this.log = initLogger(compiler.getContext());
}