jdk.nashorn.internal.ir.IfNode源码实例Demo-星河码客

类jdk.nashorn.internal.ir.IfNode源码实例Demo

下面列出了怎么用jdk.nashorn.internal.ir.IfNode的API类实例代码及写法，或者点击链接到github查看源代码。

源代码1 项目： TencentKona-8 文件： JSONWriter.java

@Override
public boolean enterIfNode(final IfNode ifNode) {
    enterDefault(ifNode);

    type("IfStatement");
    comma();

    property("test");
    ifNode.getTest().accept(this);
    comma();

    property("consequent");
    ifNode.getPass().accept(this);
    final Node elsePart = ifNode.getFail();
    comma();

    property("alternate");
    if (elsePart != null) {
        elsePart.accept(this);
    } else {
        nullValue();
    }

    return leave();
}

源代码2 项目： TencentKona-8 文件： FoldConstants.java

@Override
public Node leaveIfNode(final IfNode ifNode) {
    final Node test = ifNode.getTest();
    if (test instanceof LiteralNode.PrimitiveLiteralNode) {
        final boolean isTrue = ((LiteralNode.PrimitiveLiteralNode<?>)test).isTrue();
        final Block executed = isTrue ? ifNode.getPass() : ifNode.getFail();
        final Block dropped  = isTrue ? ifNode.getFail() : ifNode.getPass();
        final List<Statement> statements = new ArrayList<>();

        if (executed != null) {
            statements.addAll(executed.getStatements()); // Get statements form executed branch
        }
        if (dropped != null) {
            extractVarNodesFromDeadCode(dropped, statements); // Get var-nodes from non-executed branch
        }
        if (statements.isEmpty()) {
            return new EmptyNode(ifNode);
        }
        return BlockStatement.createReplacement(ifNode, ifNode.getFinish(), statements);
    }
    return ifNode;
}

源代码3 项目： jdk8u60 文件： Parser.java

/**
 * IfStatement :
 *      if ( Expression ) Statement else Statement
 *      if ( Expression ) Statement
 *
 * See 12.5
 *
 * Parse an IF statement.
 */
private void ifStatement() {
    // Capture IF token.
    final int  ifLine  = line;
    final long ifToken = token;
     // IF tested in caller.
    next();

    expect(LPAREN);
    final Expression test = expression();
    expect(RPAREN);
    final Block pass = getStatement();

    Block fail = null;
    if (type == ELSE) {
        next();
        fail = getStatement();
    }

    appendStatement(new IfNode(ifLine, ifToken, fail != null ? fail.getFinish() : pass.getFinish(), test, pass, fail));
}

源代码4 项目： jdk8u60 文件： JSONWriter.java

@Override
public boolean enterIfNode(final IfNode ifNode) {
    enterDefault(ifNode);

    type("IfStatement");
    comma();

    property("test");
    ifNode.getTest().accept(this);
    comma();

    property("consequent");
    ifNode.getPass().accept(this);
    final Node elsePart = ifNode.getFail();
    comma();

    property("alternate");
    if (elsePart != null) {
        elsePart.accept(this);
    } else {
        nullValue();
    }

    return leave();
}

源代码5 项目： jdk8u60 文件： PrintVisitor.java

@Override
public boolean enterIfNode(final IfNode ifNode) {
    ifNode.toString(sb, printTypes);
    ifNode.getPass().accept(this);

    final Block fail = ifNode.getFail();

    if (fail != null) {
        sb.append(" else ");
        fail.accept(this);
    }
    if(ifNode.getLocalVariableConversion() != null) {
        assert fail == null;
        sb.append(" else ");
        printLocalVariableConversion(ifNode);
        sb.append(";");
    }
    return false;
}

源代码6 项目： openjdk-8 文件： Parser.java

/**
 * IfStatement :
 *      if ( Expression ) Statement else Statement
 *      if ( Expression ) Statement
 *
 * See 12.5
 *
 * Parse an IF statement.
 */
private void ifStatement() {
    // Capture IF token.
    final int  ifLine  = line;
    final long ifToken = token;
     // IF tested in caller.
    next();

    expect(LPAREN);
    final Expression test = expression();
    expect(RPAREN);
    final Block pass = getStatement();

    Block fail = null;
    if (type == ELSE) {
        next();
        fail = getStatement();
    }

    appendStatement(new IfNode(ifLine, ifToken, fail != null ? fail.getFinish() : pass.getFinish(), test, pass, fail));
}

源代码7 项目： openjdk-jdk8u 文件： Parser.java

/**
 * IfStatement :
 *      if ( Expression ) Statement else Statement
 *      if ( Expression ) Statement
 *
 * See 12.5
 *
 * Parse an IF statement.
 */
private void ifStatement() {
    // Capture IF token.
    final int  ifLine  = line;
    final long ifToken = token;
     // IF tested in caller.
    next();

    expect(LPAREN);
    final Expression test = expression();
    expect(RPAREN);
    final Block pass = getStatement();

    Block fail = null;
    if (type == ELSE) {
        next();
        fail = getStatement();
    }

    appendStatement(new IfNode(ifLine, ifToken, fail != null ? fail.getFinish() : pass.getFinish(), test, pass, fail));
}

源代码8 项目： openjdk-jdk8u 文件： JSONWriter.java

@Override
public boolean enterIfNode(final IfNode ifNode) {
    enterDefault(ifNode);

    type("IfStatement");
    comma();

    property("test");
    ifNode.getTest().accept(this);
    comma();

    property("consequent");
    ifNode.getPass().accept(this);
    final Node elsePart = ifNode.getFail();
    comma();

    property("alternate");
    if (elsePart != null) {
        elsePart.accept(this);
    } else {
        nullValue();
    }

    return leave();
}

源代码9 项目： openjdk-jdk8u 文件： PrintVisitor.java

@Override
public boolean enterIfNode(final IfNode ifNode) {
    ifNode.toString(sb, printTypes);
    ifNode.getPass().accept(this);

    final Block fail = ifNode.getFail();

    if (fail != null) {
        sb.append(" else ");
        fail.accept(this);
    }
    if(ifNode.getLocalVariableConversion() != null) {
        assert fail == null;
        sb.append(" else ");
        printLocalVariableConversion(ifNode);
        sb.append(";");
    }
    return false;
}

源代码10 项目： openjdk-jdk8u 文件： FoldConstants.java

@Override
public Node leaveIfNode(final IfNode ifNode) {
    final Node test = ifNode.getTest();
    if (test instanceof LiteralNode.PrimitiveLiteralNode) {
        final boolean isTrue = ((LiteralNode.PrimitiveLiteralNode<?>)test).isTrue();
        final Block executed = isTrue ? ifNode.getPass() : ifNode.getFail();
        final Block dropped  = isTrue ? ifNode.getFail() : ifNode.getPass();
        final List<Statement> statements = new ArrayList<>();

        if (executed != null) {
            statements.addAll(executed.getStatements()); // Get statements form executed branch
        }
        if (dropped != null) {
            extractVarNodesFromDeadCode(dropped, statements); // Get var-nodes from non-executed branch
        }
        if (statements.isEmpty()) {
            return new EmptyNode(ifNode);
        }
        return BlockStatement.createReplacement(ifNode, ifNode.getFinish(), statements);
    }
    return ifNode;
}

源代码11 项目： jdk8u_nashorn 文件： JSONWriter.java

@Override
public boolean enterIfNode(final IfNode ifNode) {
    enterDefault(ifNode);

    type("IfStatement");
    comma();

    property("test");
    ifNode.getTest().accept(this);
    comma();

    property("consequent");
    ifNode.getPass().accept(this);
    final Node elsePart = ifNode.getFail();
    comma();

    property("alternate");
    if (elsePart != null) {
        elsePart.accept(this);
    } else {
        nullValue();
    }

    return leave();
}

源代码12 项目： openjdk-jdk8u-backup 文件： JSONWriter.java

@Override
public boolean enterIfNode(final IfNode ifNode) {
    enterDefault(ifNode);

    type("IfStatement");
    comma();

    property("test");
    ifNode.getTest().accept(this);
    comma();

    property("consequent");
    ifNode.getPass().accept(this);
    final Node elsePart = ifNode.getFail();
    comma();

    property("alternate");
    if (elsePart != null) {
        elsePart.accept(this);
    } else {
        nullValue();
    }

    return leave();
}

源代码13 项目： jdk8u_nashorn 文件： FoldConstants.java

@Override
public Node leaveIfNode(final IfNode ifNode) {
    final Node test = ifNode.getTest();
    if (test instanceof LiteralNode.PrimitiveLiteralNode) {
        final boolean isTrue = ((LiteralNode.PrimitiveLiteralNode<?>)test).isTrue();
        final Block executed = isTrue ? ifNode.getPass() : ifNode.getFail();
        final Block dropped  = isTrue ? ifNode.getFail() : ifNode.getPass();
        final List<Statement> statements = new ArrayList<>();

        if (executed != null) {
            statements.addAll(executed.getStatements()); // Get statements form executed branch
        }
        if (dropped != null) {
            extractVarNodesFromDeadCode(dropped, statements); // Get var-nodes from non-executed branch
        }
        if (statements.isEmpty()) {
            return new EmptyNode(ifNode);
        }
        return BlockStatement.createReplacement(ifNode, ifNode.getFinish(), statements);
    }
    return ifNode;
}

源代码14 项目： nashorn 文件： Parser.java

/**
 * IfStatement :
 *      if ( Expression ) Statement else Statement
 *      if ( Expression ) Statement
 *
 * See 12.5
 *
 * Parse an IF statement.
 */
private void ifStatement() {
    // Capture IF token.
    final int  ifLine  = line;
    final long ifToken = token;
     // IF tested in caller.
    next();

    expect(LPAREN);
    final Expression test = expression();
    expect(RPAREN);
    final Block pass = getStatement();

    Block fail = null;
    if (type == ELSE) {
        next();
        fail = getStatement();
    }

    appendStatement(new IfNode(ifLine, ifToken, fail != null ? fail.getFinish() : pass.getFinish(), test, pass, fail));
}

源代码15 项目： openjdk-jdk9 文件： JSONWriter.java

@Override
public boolean enterIfNode(final IfNode ifNode) {
    enterDefault(ifNode);

    type("IfStatement");
    comma();

    property("test");
    ifNode.getTest().accept(this);
    comma();

    property("consequent");
    ifNode.getPass().accept(this);
    final Node elsePart = ifNode.getFail();
    comma();

    property("alternate");
    if (elsePart != null) {
        elsePart.accept(this);
    } else {
        nullValue();
    }

    return leave();
}

源代码16 项目： openjdk-jdk9 文件： PrintVisitor.java

@Override
public boolean enterIfNode(final IfNode ifNode) {
    ifNode.toString(sb, printTypes);
    ifNode.getPass().accept(this);

    final Block fail = ifNode.getFail();

    if (fail != null) {
        sb.append(" else ");
        fail.accept(this);
    }
    if(ifNode.getLocalVariableConversion() != null) {
        assert fail == null;
        sb.append(" else ");
        printLocalVariableConversion(ifNode);
        sb.append(";");
    }
    return false;
}

源代码17 项目： openjdk-jdk9 文件： FoldConstants.java

@Override
public Node leaveIfNode(final IfNode ifNode) {
    final Node test = ifNode.getTest();
    if (test instanceof LiteralNode.PrimitiveLiteralNode) {
        final boolean isTrue = ((LiteralNode.PrimitiveLiteralNode<?>)test).isTrue();
        final Block executed = isTrue ? ifNode.getPass() : ifNode.getFail();
        final Block dropped  = isTrue ? ifNode.getFail() : ifNode.getPass();
        final List<Statement> statements = new ArrayList<>();

        if (executed != null) {
            statements.addAll(executed.getStatements()); // Get statements form executed branch
        }
        if (dropped != null) {
            extractVarNodesFromDeadCode(dropped, statements); // Get var-nodes from non-executed branch
        }
        if (statements.isEmpty()) {
            return new EmptyNode(ifNode);
        }
        return BlockStatement.createReplacement(ifNode, ifNode.getFinish(), statements);
    }
    return ifNode;
}

源代码18 项目： jdk8u_nashorn 文件： PrintVisitor.java

@Override
public boolean enterIfNode(final IfNode ifNode) {
    ifNode.toString(sb, printTypes);
    ifNode.getPass().accept(this);

    final Block fail = ifNode.getFail();

    if (fail != null) {
        sb.append(" else ");
        fail.accept(this);
    }
    if(ifNode.getLocalVariableConversion() != null) {
        assert fail == null;
        sb.append(" else ");
        printLocalVariableConversion(ifNode);
        sb.append(";");
    }
    return false;
}

源代码19 项目： openjdk-8 文件： JSONWriter.java

@Override
public boolean enterIfNode(final IfNode ifNode) {
    enterDefault(ifNode);

    type("IfStatement");
    comma();

    property("test");
    ifNode.getTest().accept(this);
    comma();

    property("consequent");
    ifNode.getPass().accept(this);
    final Node elsePart = ifNode.getFail();
    comma();

    property("alternate");
    if (elsePart != null) {
        elsePart.accept(this);
    } else {
        nullValue();
    }

    return leave();
}

源代码20 项目： hottub 文件： JSONWriter.java

@Override
public boolean enterIfNode(final IfNode ifNode) {
    enterDefault(ifNode);

    type("IfStatement");
    comma();

    property("test");
    ifNode.getTest().accept(this);
    comma();

    property("consequent");
    ifNode.getPass().accept(this);
    final Node elsePart = ifNode.getFail();
    comma();

    property("alternate");
    if (elsePart != null) {
        elsePart.accept(this);
    } else {
        nullValue();
    }

    return leave();
}

源代码21 项目： hottub 文件： PrintVisitor.java

@Override
public boolean enterIfNode(final IfNode ifNode) {
    ifNode.toString(sb, printTypes);
    ifNode.getPass().accept(this);

    final Block fail = ifNode.getFail();

    if (fail != null) {
        sb.append(" else ");
        fail.accept(this);
    }
    if(ifNode.getLocalVariableConversion() != null) {
        assert fail == null;
        sb.append(" else ");
        printLocalVariableConversion(ifNode);
        sb.append(";");
    }
    return false;
}

源代码22 项目： openjdk-8 文件： FoldConstants.java

@Override
public Node leaveIfNode(final IfNode ifNode) {
    final Node test = ifNode.getTest();
    if (test instanceof LiteralNode.PrimitiveLiteralNode) {
        final boolean isTrue = ((LiteralNode.PrimitiveLiteralNode<?>)test).isTrue();
        final Block executed = isTrue ? ifNode.getPass() : ifNode.getFail();
        final Block dropped  = isTrue ? ifNode.getFail() : ifNode.getPass();
        final List<Statement> statements = new ArrayList<>();

        if (executed != null) {
            statements.addAll(executed.getStatements()); // Get statements form executed branch
        }
        if (dropped != null) {
            extractVarNodes(dropped, statements); // Get var-nodes from non-executed branch
        }
        if (statements.isEmpty()) {
            return new EmptyNode(ifNode);
        }
        return BlockStatement.createReplacement(ifNode, ifNode.getFinish(), statements);
    }
    return ifNode;
}

源代码23 项目： openjdk-8-source 文件： Parser.java

/**
 * IfStatement :
 *      if ( Expression ) Statement else Statement
 *      if ( Expression ) Statement
 *
 * See 12.5
 *
 * Parse an IF statement.
 */
private void ifStatement() {
    // Capture IF token.
    final int  ifLine  = line;
    final long ifToken = token;
     // IF tested in caller.
    next();

    expect(LPAREN);
    final Expression test = expression();
    expect(RPAREN);
    final Block pass = getStatement();

    Block fail = null;
    if (type == ELSE) {
        next();
        fail = getStatement();
    }

    appendStatement(new IfNode(ifLine, ifToken, fail != null ? fail.getFinish() : pass.getFinish(), test, pass, fail));
}

源代码24 项目： openjdk-8-source 文件： JSONWriter.java

@Override
public boolean enterIfNode(final IfNode ifNode) {
    enterDefault(ifNode);

    type("IfStatement");
    comma();

    property("test");
    ifNode.getTest().accept(this);
    comma();

    property("consequent");
    ifNode.getPass().accept(this);
    final Node elsePart = ifNode.getFail();
    comma();

    property("alternate");
    if (elsePart != null) {
        elsePart.accept(this);
    } else {
        nullValue();
    }

    return leave();
}

源代码25 项目： jdk8u_nashorn 文件： Parser.java

/**
 * IfStatement :
 *      if ( Expression ) Statement else Statement
 *      if ( Expression ) Statement
 *
 * See 12.5
 *
 * Parse an IF statement.
 */
private void ifStatement() {
    // Capture IF token.
    final int  ifLine  = line;
    final long ifToken = token;
     // IF tested in caller.
    next();

    expect(LPAREN);
    final Expression test = expression();
    expect(RPAREN);
    final Block pass = getStatement();

    Block fail = null;
    if (type == ELSE) {
        next();
        fail = getStatement();
    }

    appendStatement(new IfNode(ifLine, ifToken, fail != null ? fail.getFinish() : pass.getFinish(), test, pass, fail));
}

源代码26 项目： openjdk-8-source 文件： FoldConstants.java

@Override
public Node leaveIfNode(final IfNode ifNode) {
    final Node test = ifNode.getTest();
    if (test instanceof LiteralNode.PrimitiveLiteralNode) {
        final boolean isTrue = ((LiteralNode.PrimitiveLiteralNode<?>)test).isTrue();
        final Block executed = isTrue ? ifNode.getPass() : ifNode.getFail();
        final Block dropped  = isTrue ? ifNode.getFail() : ifNode.getPass();
        final List<Statement> statements = new ArrayList<>();

        if (executed != null) {
            statements.addAll(executed.getStatements()); // Get statements form executed branch
        }
        if (dropped != null) {
            extractVarNodes(dropped, statements); // Get var-nodes from non-executed branch
        }
        if (statements.isEmpty()) {
            return new EmptyNode(ifNode);
        }
        return BlockStatement.createReplacement(ifNode, ifNode.getFinish(), statements);
    }
    return ifNode;
}

源代码27 项目： openjdk-8-source 文件： CodeGenerator.java

@Override
public boolean enterIfNode(final IfNode ifNode) {
    lineNumber(ifNode);

    final Expression test = ifNode.getTest();
    final Block pass = ifNode.getPass();
    final Block fail = ifNode.getFail();

    final Label failLabel  = new Label("if_fail");
    final Label afterLabel = fail == null ? failLabel : new Label("if_done");

    new BranchOptimizer(this, method).execute(test, failLabel, false);

    boolean passTerminal = false;
    boolean failTerminal = false;

    pass.accept(this);
    if (!pass.hasTerminalFlags()) {
        method._goto(afterLabel); //don't fallthru to fail block
    } else {
        passTerminal = pass.isTerminal();
    }

    if (fail != null) {
        method.label(failLabel);
        fail.accept(this);
        failTerminal = fail.isTerminal();
    }

    //if if terminates, put the after label there
    if (!passTerminal || !failTerminal) {
        method.label(afterLabel);
    }

    return false;
}

源代码28 项目： TencentKona-8 文件： SplitIntoFunctions.java

private static IfNode makeIfStateEquals(final int lineNumber, final long token, final int finish,
        final int value, final Block pass, final Statement fail) {
    return new IfNode(lineNumber, token, finish,
            new BinaryNode(Token.recast(token, TokenType.EQ_STRICT),
                    GetSplitState.INSTANCE, intLiteral(value)),
            pass,
            fail == null ? null : new Block(NO_TOKEN, NO_FINISH, fail));
}

源代码29 项目： nashorn 文件： CodeGenerator.java

@Override
public boolean enterIfNode(final IfNode ifNode) {
    lineNumber(ifNode);

    final Expression test = ifNode.getTest();
    final Block pass = ifNode.getPass();
    final Block fail = ifNode.getFail();

    final Label failLabel  = new Label("if_fail");
    final Label afterLabel = fail == null ? failLabel : new Label("if_done");

    new BranchOptimizer(this, method).execute(test, failLabel, false);

    boolean passTerminal = false;
    boolean failTerminal = false;

    pass.accept(this);
    if (!pass.hasTerminalFlags()) {
        method._goto(afterLabel); //don't fallthru to fail block
    } else {
        passTerminal = pass.isTerminal();
    }

    if (fail != null) {
        method.label(failLabel);
        fail.accept(this);
        failTerminal = fail.isTerminal();
    }

    //if if terminates, put the after label there
    if (!passTerminal || !failTerminal) {
        method.label(afterLabel);
    }

    return false;
}

源代码30 项目： openjdk-jdk8u 文件： SplitIntoFunctions.java

private static IfNode makeIfStateEquals(final int lineNumber, final long token, final int finish,
        final int value, final Block pass, final Statement fail) {
    return new IfNode(lineNumber, token, finish,
            new BinaryNode(Token.recast(token, TokenType.EQ_STRICT),
                    GetSplitState.INSTANCE, intLiteral(value)),
            pass,
            fail == null ? null : new Block(NO_TOKEN, NO_FINISH, fail));
}

类所在包

jdk.nashorn.internal.ir

类方法

同包方法

jdk.nashorn.internal.ir.annotations.Ignore

jdk.nashorn.internal.ir.annotations.Immutable

jdk.nashorn.internal.ir.annotations.Reference

jdk.nashorn.internal.ir.ExpressionStatement

jdk.nashorn.internal.ir.Block

jdk.nashorn.internal.ir.FunctionNode

jdk.nashorn.internal.ir.ContinueNode

jdk.nashorn.internal.ir.debug.JSONWriter