com.sun.org.apache.xalan.internal.xsltc.compiler.FlowList Java Examples

The following examples show how to use com.sun.org.apache.xalan.internal.xsltc.compiler.FlowList. 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: RealType.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates a real into a non-synthesized boolean. It does not push a
 * 0 or a 1 but instead returns branchhandle list to be appended to the
 * false list. A NaN must be converted to "false".
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateToDesynthesized
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    LocalVariableGen local;
    final FlowList flowlist = new FlowList();
    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();

    // Store real into a local variable
    il.append(DUP2);
    local = methodGen.addLocalVariable("real_to_boolean_tmp",
                                       com.sun.org.apache.bcel.internal.generic.Type.DOUBLE,
                                       null, null);
    local.setStart(il.append(new DSTORE(local.getIndex())));

    // Compare it to 0.0
    il.append(DCONST_0);
    il.append(DCMPG);
    flowlist.add(il.append(new IFEQ(null)));

    //!!! call isNaN
    // Compare it to itself to see if NaN
    il.append(new DLOAD(local.getIndex()));
    local.setEnd(il.append(new DLOAD(local.getIndex())));
    il.append(DCMPG);
    flowlist.add(il.append(new IFNE(null)));        // NaN != NaN
    return flowlist;
}
Example #2
Source File: StringType.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates a string into a non-synthesized boolean. It does not push a
 * 0 or a 1 but instead returns branchhandle list to be appended to the
 * false list.
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateToDesynthesized
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();

    il.append(new INVOKEVIRTUAL(cpg.addMethodref(STRING_CLASS,
                                                 "length", "()I")));
    return new FlowList(il.append(new IFEQ(null)));
}
Example #3
Source File: NodeType.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates a node into a synthesized boolean.
 * If the expression is "@attr",
 * then "true" is pushed iff "attr" is an attribute of the current node.
 * If the expression is ".", the result is always "true".
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo
 */
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
                        BooleanType type) {
    final InstructionList il = methodGen.getInstructionList();
    FlowList falsel = translateToDesynthesized(classGen, methodGen, type);
    il.append(ICONST_1);
    final BranchHandle truec = il.append(new GOTO(null));
    falsel.backPatch(il.append(ICONST_0));
    truec.setTarget(il.append(NOP));
}
Example #4
Source File: Type.java    From openjdk-8 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates an object of this type to an non-synthesized boolean. It
 * does not push a 0 or a 1 but instead returns branchhandle list to be
 * appended to the false list.
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    ErrorMsg err = new ErrorMsg(ErrorMsg.DATA_CONVERSION_ERR,
                                toString(), type.toString());
    classGen.getParser().reportError(Constants.FATAL, err);
    return null;
}
Example #5
Source File: Type.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates an object of this type to an non-synthesized boolean. It
 * does not push a 0 or a 1 but instead returns branchhandle list to be
 * appended to the false list.
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    ErrorMsg err = new ErrorMsg(ErrorMsg.DATA_CONVERSION_ERR,
                                toString(), type.toString());
    classGen.getParser().reportError(Constants.FATAL, err);
    return null;
}
Example #6
Source File: StringType.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates a string into a non-synthesized boolean. It does not push a
 * 0 or a 1 but instead returns branchhandle list to be appended to the
 * false list.
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateToDesynthesized
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();

    il.append(new INVOKEVIRTUAL(cpg.addMethodref(STRING_CLASS,
                                                 "length", "()I")));
    return new FlowList(il.append(new IFEQ(null)));
}
Example #7
Source File: NodeSetType.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates a node-set into a synthesized boolean.
 * The boolean value of a node-set is "true" if non-empty
 * and "false" otherwise. Notice that the
 * function getFirstNode() is called in translateToDesynthesized().
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo
 */
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
                        BooleanType type) {
    final InstructionList il = methodGen.getInstructionList();
    FlowList falsel = translateToDesynthesized(classGen, methodGen, type);
    il.append(ICONST_1);
    final BranchHandle truec = il.append(new GOTO(null));
    falsel.backPatch(il.append(ICONST_0));
    truec.setTarget(il.append(NOP));
}
Example #8
Source File: NodeSetType.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates a node-set into a non-synthesized boolean. It does not
 * push a 0 or a 1 but instead returns branchhandle list to be appended
 * to the false list.
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateToDesynthesized
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    final InstructionList il = methodGen.getInstructionList();
    getFirstNode(classGen, methodGen);
    return new FlowList(il.append(new IFLT(null)));
}
Example #9
Source File: NodeType.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates a node into a synthesized boolean.
 * If the expression is "@attr",
 * then "true" is pushed iff "attr" is an attribute of the current node.
 * If the expression is ".", the result is always "true".
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo
 */
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
                        BooleanType type) {
    final InstructionList il = methodGen.getInstructionList();
    FlowList falsel = translateToDesynthesized(classGen, methodGen, type);
    il.append(ICONST_1);
    final BranchHandle truec = il.append(new GOTO(null));
    falsel.backPatch(il.append(ICONST_0));
    truec.setTarget(il.append(NOP));
}
Example #10
Source File: Type.java    From Bytecoder with Apache License 2.0 5 votes vote down vote up 
/**
 * Translates object of this type to an object of type <code>type</code>.
 * Expects an object of the former type and pushes an object of the latter
 * if not boolean. If type <code>type</code> is boolean then a branchhandle
 * list (to be appended to the false list) is returned.
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         Type type) {
    FlowList fl = null;
    if (type == Type.Boolean) {
        fl = translateToDesynthesized(classGen, methodGen,
                                      (BooleanType)type);
    }
    else {
        translateTo(classGen, methodGen, type);
    }
    return fl;
}
Example #11
Source File: StringType.java    From Bytecoder with Apache License 2.0 5 votes vote down vote up 
/**
 * Translates a string into a synthesized boolean.
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo
 */
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
                        BooleanType type) {
    final InstructionList il = methodGen.getInstructionList();
    FlowList falsel = translateToDesynthesized(classGen, methodGen, type);
    il.append(ICONST_1);
    final BranchHandle truec = il.append(new GOTO(null));
    falsel.backPatch(il.append(ICONST_0));
    truec.setTarget(il.append(NOP));
}
Example #12
Source File: StringType.java    From Bytecoder with Apache License 2.0 5 votes vote down vote up 
/**
 * Translates a string into a non-synthesized boolean. It does not push a
 * 0 or a 1 but instead returns branchhandle list to be appended to the
 * false list.
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateToDesynthesized
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();

    il.append(new INVOKEVIRTUAL(cpg.addMethodref(STRING_CLASS,
                                                 "length", "()I")));
    return new FlowList(il.append(new IFEQ(null)));
}
Example #13
Source File: Type.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates object of this type to an object of type <code>type</code>.
 * Expects an object of the former type and pushes an object of the latter
 * if not boolean. If type <code>type</code> is boolean then a branchhandle
 * list (to be appended to the false list) is returned.
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         Type type) {
    FlowList fl = null;
    if (type == Type.Boolean) {
        fl = translateToDesynthesized(classGen, methodGen,
                                      (BooleanType)type);
    }
    else {
        translateTo(classGen, methodGen, type);
    }
    return fl;
}
Example #14
Source File: NodeSetType.java    From Bytecoder with Apache License 2.0 5 votes vote down vote up 
/**
 * Translates a node-set into a non-synthesized boolean. It does not
 * push a 0 or a 1 but instead returns branchhandle list to be appended
 * to the false list.
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateToDesynthesized
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    final InstructionList il = methodGen.getInstructionList();
    getFirstNode(classGen, methodGen);
    return new FlowList(il.append(new IFLT(null)));
}
Example #15
Source File: NodeSetType.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates a node-set into a synthesized boolean.
 * The boolean value of a node-set is "true" if non-empty
 * and "false" otherwise. Notice that the
 * function getFirstNode() is called in translateToDesynthesized().
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo
 */
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
                        BooleanType type) {
    final InstructionList il = methodGen.getInstructionList();
    FlowList falsel = translateToDesynthesized(classGen, methodGen, type);
    il.append(ICONST_1);
    final BranchHandle truec = il.append(new GOTO(null));
    falsel.backPatch(il.append(ICONST_0));
    truec.setTarget(il.append(NOP));
}
Example #16
Source File: ReferenceType.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Expects a reference on the stack and translates it to a non-synthesized
 * boolean. It does not push a 0 or a 1 but instead returns branchhandle
 * list to be appended to the false list.
 *
 * @see com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateToDesynthesized
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    InstructionList il = methodGen.getInstructionList();
    translateTo(classGen, methodGen, type);
    return new FlowList(il.append(new IFEQ(null)));
}
Example #17
Source File: NodeSetType.java    From openjdk-8 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates a node-set into a non-synthesized boolean. It does not
 * push a 0 or a 1 but instead returns branchhandle list to be appended
 * to the false list.
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateToDesynthesized
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    final InstructionList il = methodGen.getInstructionList();
    getFirstNode(classGen, methodGen);
    return new FlowList(il.append(new IFLT(null)));
}
Example #18
Source File: NodeType.java    From openjdk-8-source with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates a node into a synthesized boolean.
 * If the expression is "@attr",
 * then "true" is pushed iff "attr" is an attribute of the current node.
 * If the expression is ".", the result is always "true".
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo
 */
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
                        BooleanType type) {
    final InstructionList il = methodGen.getInstructionList();
    FlowList falsel = translateToDesynthesized(classGen, methodGen, type);
    il.append(ICONST_1);
    final BranchHandle truec = il.append(new GOTO(null));
    falsel.backPatch(il.append(ICONST_0));
    truec.setTarget(il.append(NOP));
}
Example #19
Source File: RealType.java    From openjdk-8-source with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates a real into a non-synthesized boolean. It does not push a
 * 0 or a 1 but instead returns branchhandle list to be appended to the
 * false list. A NaN must be converted to "false".
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateToDesynthesized
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    LocalVariableGen local;
    final FlowList flowlist = new FlowList();
    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();

    // Store real into a local variable
    il.append(DUP2);
    local = methodGen.addLocalVariable("real_to_boolean_tmp",
                                       com.sun.org.apache.bcel.internal.generic.Type.DOUBLE,
                                       null, null);
    local.setStart(il.append(new DSTORE(local.getIndex())));

    // Compare it to 0.0
    il.append(DCONST_0);
    il.append(DCMPG);
    flowlist.add(il.append(new IFEQ(null)));

    //!!! call isNaN
    // Compare it to itself to see if NaN
    il.append(new DLOAD(local.getIndex()));
    local.setEnd(il.append(new DLOAD(local.getIndex())));
    il.append(DCMPG);
    flowlist.add(il.append(new IFNE(null)));        // NaN != NaN
    return flowlist;
}
Example #20
Source File: RealType.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Expects a real on the stack and pushes a 0 if that number is 0.0 and
 * a 1 otherwise.
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo
 */
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
                        BooleanType type) {
    final InstructionList il = methodGen.getInstructionList();
    FlowList falsel = translateToDesynthesized(classGen, methodGen, type);
    il.append(ICONST_1);
    final BranchHandle truec = il.append(new GOTO(null));
    falsel.backPatch(il.append(ICONST_0));
    truec.setTarget(il.append(NOP));
}
Example #21
Source File: StringType.java    From openjdk-8 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates a string into a non-synthesized boolean. It does not push a
 * 0 or a 1 but instead returns branchhandle list to be appended to the
 * false list.
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateToDesynthesized
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();

    il.append(new INVOKEVIRTUAL(cpg.addMethodref(STRING_CLASS,
                                                 "length", "()I")));
    return new FlowList(il.append(new IFEQ(null)));
}
Example #22
Source File: NodeType.java    From Bytecoder with Apache License 2.0 5 votes vote down vote up 
/**
 * Translates a node into a synthesized boolean.
 * If the expression is "@attr",
 * then "true" is pushed iff "attr" is an attribute of the current node.
 * If the expression is ".", the result is always "true".
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo
 */
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
                        BooleanType type) {
    final InstructionList il = methodGen.getInstructionList();
    FlowList falsel = translateToDesynthesized(classGen, methodGen, type);
    il.append(ICONST_1);
    final BranchHandle truec = il.append(new GOTO(null));
    falsel.backPatch(il.append(ICONST_0));
    truec.setTarget(il.append(NOP));
}
Example #23
Source File: RealType.java    From openjdk-8 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Expects a real on the stack and pushes a 0 if that number is 0.0 and
 * a 1 otherwise.
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo
 */
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
                        BooleanType type) {
    final InstructionList il = methodGen.getInstructionList();
    FlowList falsel = translateToDesynthesized(classGen, methodGen, type);
    il.append(ICONST_1);
    final BranchHandle truec = il.append(new GOTO(null));
    falsel.backPatch(il.append(ICONST_0));
    truec.setTarget(il.append(NOP));
}
Example #24
Source File: Type.java    From JDKSourceCode1.8 with MIT License 5 votes vote down vote up 
/**
 * Translates an object of this type to an non-synthesized boolean. It
 * does not push a 0 or a 1 but instead returns branchhandle list to be
 * appended to the false list.
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    ErrorMsg err = new ErrorMsg(ErrorMsg.DATA_CONVERSION_ERR,
                                toString(), type.toString());
    classGen.getParser().reportError(Constants.FATAL, err);
    return null;
}
Example #25
Source File: NodeSetType.java    From openjdk-8-source with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates a node-set into a non-synthesized boolean. It does not
 * push a 0 or a 1 but instead returns branchhandle list to be appended
 * to the false list.
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateToDesynthesized
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    final InstructionList il = methodGen.getInstructionList();
    getFirstNode(classGen, methodGen);
    return new FlowList(il.append(new IFLT(null)));
}
Example #26
Source File: NodeSetType.java    From hottub with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates a node-set into a non-synthesized boolean. It does not
 * push a 0 or a 1 but instead returns branchhandle list to be appended
 * to the false list.
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateToDesynthesized
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    final InstructionList il = methodGen.getInstructionList();
    getFirstNode(classGen, methodGen);
    return new FlowList(il.append(new IFLT(null)));
}
Example #27
Source File: StringType.java    From jdk1.8-source-analysis with Apache License 2.0 5 votes vote down vote up 
/**
 * Translates a string into a synthesized boolean.
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo
 */
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
                        BooleanType type) {
    final InstructionList il = methodGen.getInstructionList();
    FlowList falsel = translateToDesynthesized(classGen, methodGen, type);
    il.append(ICONST_1);
    final BranchHandle truec = il.append(new GOTO(null));
    falsel.backPatch(il.append(ICONST_0));
    truec.setTarget(il.append(NOP));
}
Example #28
Source File: StringType.java    From JDKSourceCode1.8 with MIT License 5 votes vote down vote up 
/**
 * Translates a string into a synthesized boolean.
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo
 */
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
                        BooleanType type) {
    final InstructionList il = methodGen.getInstructionList();
    FlowList falsel = translateToDesynthesized(classGen, methodGen, type);
    il.append(ICONST_1);
    final BranchHandle truec = il.append(new GOTO(null));
    falsel.backPatch(il.append(ICONST_0));
    truec.setTarget(il.append(NOP));
}
Example #29
Source File: NodeType.java    From jdk8u60 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates a node into a synthesized boolean.
 * If the expression is "@attr",
 * then "true" is pushed iff "attr" is an attribute of the current node.
 * If the expression is ".", the result is always "true".
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo
 */
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
                        BooleanType type) {
    final InstructionList il = methodGen.getInstructionList();
    FlowList falsel = translateToDesynthesized(classGen, methodGen, type);
    il.append(ICONST_1);
    final BranchHandle truec = il.append(new GOTO(null));
    falsel.backPatch(il.append(ICONST_0));
    truec.setTarget(il.append(NOP));
}
Example #30
Source File: NodeSetType.java    From jdk8u60 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates a node-set into a non-synthesized boolean. It does not
 * push a 0 or a 1 but instead returns branchhandle list to be appended
 * to the false list.
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateToDesynthesized
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    final InstructionList il = methodGen.getInstructionList();
    getFirstNode(classGen, methodGen);
    return new FlowList(il.append(new IFLT(null)));
}