com.sun.org.apache.bcel.internal.generic.PUSH Java Examples
The following examples show how to use
com.sun.org.apache.bcel.internal.generic.PUSH.
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Example #1
| Source File: Predicate.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
|
/**
* Translate a predicate expression. If non of the optimizations apply
* then this translation pushes two references on the stack: a reference
* to a newly created filter object and a reference to the predicate's
* closure. See class <code>Step</code> for further details.
*/
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
if (_nthPositionFilter || _nthDescendant) {
_exp.translate(classGen, methodGen);
}
else if (isNodeValueTest() && (getParent() instanceof Step)) {
_value.translate(classGen, methodGen);
il.append(new CHECKCAST(cpg.addClass(STRING_CLASS)));
il.append(new PUSH(cpg, ((EqualityExpr)_exp).getOp()));
}
else {
translateFilter(classGen, methodGen);
}
}
Example #2
| Source File: UnsupportedElement.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
|
/**
* Translate the fallback element (if any).
*/
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
if (_fallbacks != null) {
int count = _fallbacks.size();
for (int i = 0; i < count; i++) {
Fallback fallback = (Fallback)_fallbacks.elementAt(i);
fallback.translate(classGen, methodGen);
}
}
// We only go into the else block in forward-compatibility mode, when
// the unsupported element has no fallback.
else {
// If the unsupported element does not have any fallback child, then
// at runtime, a runtime error should be raised when the unsupported
// element is instantiated. Otherwise, no error is thrown.
ConstantPoolGen cpg = classGen.getConstantPool();
InstructionList il = methodGen.getInstructionList();
final int unsupportedElem = cpg.addMethodref(BASIS_LIBRARY_CLASS, "unsupported_ElementF",
"(" + STRING_SIG + "Z)V");
il.append(new PUSH(cpg, getQName().toString()));
il.append(new PUSH(cpg, _isExtension));
il.append(new INVOKESTATIC(unsupportedElem));
}
}
Example #3
| Source File: Text.java From jdk1.8-source-analysis with Apache License 2.0 | 6 votes |
|
/**
* Generates code that loads the array that will contain the character
* data represented by this Text node, followed by the offset of the
* data from the start of the array, and then the length of the data.
*
* The pre-condition to calling this method is that
* canLoadAsArrayOffsetLength() returns true.
* @see #canLoadArrayOffsetLength()
*/
public void loadAsArrayOffsetLength(ClassGenerator classGen,
MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
final XSLTC xsltc = classGen.getParser().getXSLTC();
// The XSLTC object keeps track of character data
// that is to be stored in char arrays.
final int offset = xsltc.addCharacterData(_text);
final int length = _text.length();
String charDataFieldName =
STATIC_CHAR_DATA_FIELD + (xsltc.getCharacterDataCount()-1);
il.append(new GETSTATIC(cpg.addFieldref(xsltc.getClassName(),
charDataFieldName,
STATIC_CHAR_DATA_FIELD_SIG)));
il.append(new PUSH(cpg, offset));
il.append(new PUSH(cpg, _text.length()));
}
Example #4
| Source File: Predicate.java From jdk1.8-source-analysis with Apache License 2.0 | 6 votes |
|
/**
* Translate a predicate expression. If non of the optimizations apply
* then this translation pushes two references on the stack: a reference
* to a newly created filter object and a reference to the predicate's
* closure. See class <code>Step</code> for further details.
*/
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
if (_nthPositionFilter || _nthDescendant) {
_exp.translate(classGen, methodGen);
}
else if (isNodeValueTest() && (getParent() instanceof Step)) {
_value.translate(classGen, methodGen);
il.append(new CHECKCAST(cpg.addClass(STRING_CLASS)));
il.append(new PUSH(cpg, ((EqualityExpr)_exp).getOp()));
}
else {
translateFilter(classGen, methodGen);
}
}
Example #5
| Source File: XslElement.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
|
/**
* This method is called when the name of the element is known at compile time.
* In this case, there is no need to inspect the element name at runtime to
* determine if a prefix exists, needs to be generated, etc.
*/
public void translateLiteral(ClassGenerator classGen, MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
if (!_ignore) {
il.append(methodGen.loadHandler());
_name.translate(classGen, methodGen);
il.append(DUP2);
il.append(methodGen.startElement());
if (_namespace != null) {
il.append(methodGen.loadHandler());
il.append(new PUSH(cpg, _prefix));
_namespace.translate(classGen,methodGen);
il.append(methodGen.namespace());
}
}
translateContents(classGen, methodGen);
if (!_ignore) {
il.append(methodGen.endElement());
}
}
Example #6
| Source File: StringType.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
|
/**
* Translates an external (primitive) Java type into a string.
*
* @see com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateFrom
*/
public void translateFrom(ClassGenerator classGen,
MethodGenerator methodGen, Class clazz)
{
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
if (clazz.getName().equals("java.lang.String")) {
// same internal representation, convert null to ""
il.append(DUP);
final BranchHandle ifNonNull = il.append(new IFNONNULL(null));
il.append(POP);
il.append(new PUSH(cpg, ""));
ifNonNull.setTarget(il.append(NOP));
}
else {
ErrorMsg err = new ErrorMsg(ErrorMsg.DATA_CONVERSION_ERR,
toString(), clazz.getName());
classGen.getParser().reportError(Constants.FATAL, err);
}
}
Example #7
| Source File: UnsupportedElement.java From jdk1.8-source-analysis with Apache License 2.0 | 6 votes |
|
/**
* Translate the fallback element (if any).
*/
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
if (_fallbacks != null) {
int count = _fallbacks.size();
for (int i = 0; i < count; i++) {
Fallback fallback = (Fallback)_fallbacks.elementAt(i);
fallback.translate(classGen, methodGen);
}
}
// We only go into the else block in forward-compatibility mode, when
// the unsupported element has no fallback.
else {
// If the unsupported element does not have any fallback child, then
// at runtime, a runtime error should be raised when the unsupported
// element is instantiated. Otherwise, no error is thrown.
ConstantPoolGen cpg = classGen.getConstantPool();
InstructionList il = methodGen.getInstructionList();
final int unsupportedElem = cpg.addMethodref(BASIS_LIBRARY_CLASS, "unsupported_ElementF",
"(" + STRING_SIG + "Z)V");
il.append(new PUSH(cpg, getQName().toString()));
il.append(new PUSH(cpg, _isExtension));
il.append(new INVOKESTATIC(unsupportedElem));
}
}
Example #8
| Source File: ObjectType.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
|
/**
* Expects an integer on the stack and pushes its string value by calling
* <code>Integer.toString(int i)</code>.
*
* @see com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo
*/
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
StringType type) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
il.append(DUP);
final BranchHandle ifNull = il.append(new IFNULL(null));
il.append(new INVOKEVIRTUAL(cpg.addMethodref(_javaClassName,
"toString",
"()" + STRING_SIG)));
final BranchHandle gotobh = il.append(new GOTO(null));
ifNull.setTarget(il.append(POP));
il.append(new PUSH(cpg, ""));
gotobh.setTarget(il.append(NOP));
}
Example #9
| Source File: ReferenceType.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
|
/**
* Translates reference into object of internal type <code>type</code>.
*
* @see com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo
*/
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
StringType type) {
final int current = methodGen.getLocalIndex("current");
ConstantPoolGen cpg = classGen.getConstantPool();
InstructionList il = methodGen.getInstructionList();
// If no current, conversion is a top-level
if (current < 0) {
il.append(new PUSH(cpg, DTM.ROOT_NODE)); // push root node
}
else {
il.append(new ILOAD(current));
}
il.append(methodGen.loadDOM());
final int stringF = cpg.addMethodref(BASIS_LIBRARY_CLASS,
"stringF",
"("
+ OBJECT_SIG
+ NODE_SIG
+ DOM_INTF_SIG
+ ")" + STRING_SIG);
il.append(new INVOKESTATIC(stringF));
}
Example #10
| Source File: XslElement.java From jdk1.8-source-analysis with Apache License 2.0 | 6 votes |
|
/**
* This method is called when the name of the element is known at compile time.
* In this case, there is no need to inspect the element name at runtime to
* determine if a prefix exists, needs to be generated, etc.
*/
public void translateLiteral(ClassGenerator classGen, MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
if (!_ignore) {
il.append(methodGen.loadHandler());
_name.translate(classGen, methodGen);
il.append(DUP2);
il.append(methodGen.startElement());
if (_namespace != null) {
il.append(methodGen.loadHandler());
il.append(new PUSH(cpg, _prefix));
_namespace.translate(classGen,methodGen);
il.append(methodGen.namespace());
}
}
translateContents(classGen, methodGen);
if (!_ignore) {
il.append(methodGen.endElement());
}
}
Example #11
| Source File: StringType.java From jdk1.8-source-analysis with Apache License 2.0 | 6 votes |
|
/**
* Translates an external (primitive) Java type into a string.
*
* @see com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateFrom
*/
public void translateFrom(ClassGenerator classGen,
MethodGenerator methodGen, Class clazz)
{
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
if (clazz.getName().equals("java.lang.String")) {
// same internal representation, convert null to ""
il.append(DUP);
final BranchHandle ifNonNull = il.append(new IFNONNULL(null));
il.append(POP);
il.append(new PUSH(cpg, ""));
ifNonNull.setTarget(il.append(NOP));
}
else {
ErrorMsg err = new ErrorMsg(ErrorMsg.DATA_CONVERSION_ERR,
toString(), clazz.getName());
classGen.getParser().reportError(Constants.FATAL, err);
}
}
Example #12
| Source File: Text.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
|
/**
* Generates code that loads the array that will contain the character
* data represented by this Text node, followed by the offset of the
* data from the start of the array, and then the length of the data.
*
* The pre-condition to calling this method is that
* canLoadAsArrayOffsetLength() returns true.
* @see #canLoadArrayOffsetLength()
*/
public void loadAsArrayOffsetLength(ClassGenerator classGen,
MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
final XSLTC xsltc = classGen.getParser().getXSLTC();
// The XSLTC object keeps track of character data
// that is to be stored in char arrays.
final int offset = xsltc.addCharacterData(_text);
final int length = _text.length();
String charDataFieldName =
STATIC_CHAR_DATA_FIELD + (xsltc.getCharacterDataCount()-1);
il.append(new GETSTATIC(cpg.addFieldref(xsltc.getClassName(),
charDataFieldName,
STATIC_CHAR_DATA_FIELD_SIG)));
il.append(new PUSH(cpg, offset));
il.append(new PUSH(cpg, _text.length()));
}
Example #13
| Source File: ObjectType.java From jdk1.8-source-analysis with Apache License 2.0 | 6 votes |
|
/**
* Expects an integer on the stack and pushes its string value by calling
* <code>Integer.toString(int i)</code>.
*
* @see com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo
*/
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
StringType type) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
il.append(DUP);
final BranchHandle ifNull = il.append(new IFNULL(null));
il.append(new INVOKEVIRTUAL(cpg.addMethodref(_javaClassName,
"toString",
"()" + STRING_SIG)));
final BranchHandle gotobh = il.append(new GOTO(null));
ifNull.setTarget(il.append(POP));
il.append(new PUSH(cpg, ""));
gotobh.setTarget(il.append(NOP));
}
Example #14
| Source File: ReferenceType.java From jdk1.8-source-analysis with Apache License 2.0 | 6 votes |
|
/**
* Translates reference into object of internal type <code>type</code>.
*
* @see com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo
*/
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
StringType type) {
final int current = methodGen.getLocalIndex("current");
ConstantPoolGen cpg = classGen.getConstantPool();
InstructionList il = methodGen.getInstructionList();
// If no current, conversion is a top-level
if (current < 0) {
il.append(new PUSH(cpg, DTM.ROOT_NODE)); // push root node
}
else {
il.append(new ILOAD(current));
}
il.append(methodGen.loadDOM());
final int stringF = cpg.addMethodref(BASIS_LIBRARY_CLASS,
"stringF",
"("
+ OBJECT_SIG
+ NODE_SIG
+ DOM_INTF_SIG
+ ")" + STRING_SIG);
il.append(new INVOKESTATIC(stringF));
}
Example #15
| Source File: NodeType.java From jdk1.8-source-analysis with Apache License 2.0 | 5 votes |
|
/**
* Expects a node on the stack and pushes a boxed node. Boxed nodes
* are represented by an instance of <code>com.sun.org.apache.xalan.internal.xsltc.dom.Node</code>.
*
* @see com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo
*/
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
ReferenceType type) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
il.append(new NEW(cpg.addClass(RUNTIME_NODE_CLASS)));
il.append(DUP_X1);
il.append(SWAP);
il.append(new PUSH(cpg, _type));
il.append(new INVOKESPECIAL(cpg.addMethodref(RUNTIME_NODE_CLASS,
"<init>", "(II)V")));
}
Example #16
| Source File: RelationalExpr.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
if (hasNodeSetArgs() || hasReferenceArgs()) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
// Call compare() from the BasisLibrary
_left.translate(classGen, methodGen);
_left.startIterator(classGen, methodGen);
_right.translate(classGen, methodGen);
_right.startIterator(classGen, methodGen);
il.append(new PUSH(cpg, _op));
il.append(methodGen.loadDOM());
int index = cpg.addMethodref(BASIS_LIBRARY_CLASS, "compare",
"("
+ _left.getType().toSignature()
+ _right.getType().toSignature()
+ "I"
+ DOM_INTF_SIG
+ ")Z");
il.append(new INVOKESTATIC(index));
}
else {
translateDesynthesized(classGen, methodGen);
synthesize(classGen, methodGen);
}
}
Example #17
| Source File: FormatNumberCall.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
_value.translate(classGen, methodGen);
_format.translate(classGen, methodGen);
final int fn3arg = cpg.addMethodref(BASIS_LIBRARY_CLASS,
"formatNumber",
"(DLjava/lang/String;"+
"Ljava/text/DecimalFormat;)"+
"Ljava/lang/String;");
final int get = cpg.addMethodref(TRANSLET_CLASS,
"getDecimalFormat",
"(Ljava/lang/String;)"+
"Ljava/text/DecimalFormat;");
il.append(classGen.loadTranslet());
if (_name == null) {
il.append(new PUSH(cpg, EMPTYSTRING));
}
else if (_resolvedQName != null) {
il.append(new PUSH(cpg, _resolvedQName.toString()));
}
else {
_name.translate(classGen, methodGen);
}
il.append(new INVOKEVIRTUAL(get));
il.append(new INVOKESTATIC(fn3arg));
}
Example #18
| Source File: RelationalExpr.java From jdk1.8-source-analysis with Apache License 2.0 | 5 votes |
|
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
if (hasNodeSetArgs() || hasReferenceArgs()) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
// Call compare() from the BasisLibrary
_left.translate(classGen, methodGen);
_left.startIterator(classGen, methodGen);
_right.translate(classGen, methodGen);
_right.startIterator(classGen, methodGen);
il.append(new PUSH(cpg, _op));
il.append(methodGen.loadDOM());
int index = cpg.addMethodref(BASIS_LIBRARY_CLASS, "compare",
"("
+ _left.getType().toSignature()
+ _right.getType().toSignature()
+ "I"
+ DOM_INTF_SIG
+ ")Z");
il.append(new INVOKESTATIC(index));
}
else {
translateDesynthesized(classGen, methodGen);
synthesize(classGen, methodGen);
}
}
Example #19
| Source File: BooleanType.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
/**
* Expects a boolean on the stack and pushes a string. If the value on the
* stack is zero, then the string 'false' is pushed. Otherwise, the string
* 'true' is pushed.
*
* @see com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo
*/
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
StringType type) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
final BranchHandle falsec = il.append(new IFEQ(null));
il.append(new PUSH(cpg, "true"));
final BranchHandle truec = il.append(new GOTO(null));
falsec.setTarget(il.append(new PUSH(cpg, "false")));
truec.setTarget(il.append(NOP));
}
Example #20
| Source File: NodeSetType.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
/**
* Translates a node-set into a string. The string value of a node-set is
* value of its first element.
*
* @see com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo
*/
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
StringType type) {
final InstructionList il = methodGen.getInstructionList();
getFirstNode(classGen, methodGen);
il.append(DUP);
final BranchHandle falsec = il.append(new IFLT(null));
Type.Node.translateTo(classGen, methodGen, type);
final BranchHandle truec = il.append(new GOTO(null));
falsec.setTarget(il.append(POP));
il.append(new PUSH(classGen.getConstantPool(), ""));
truec.setTarget(il.append(NOP));
}
Example #21
| Source File: FormatNumberCall.java From jdk1.8-source-analysis with Apache License 2.0 | 5 votes |
|
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
_value.translate(classGen, methodGen);
_format.translate(classGen, methodGen);
final int fn3arg = cpg.addMethodref(BASIS_LIBRARY_CLASS,
"formatNumber",
"(DLjava/lang/String;"+
"Ljava/text/DecimalFormat;)"+
"Ljava/lang/String;");
final int get = cpg.addMethodref(TRANSLET_CLASS,
"getDecimalFormat",
"(Ljava/lang/String;)"+
"Ljava/text/DecimalFormat;");
il.append(classGen.loadTranslet());
if (_name == null) {
il.append(new PUSH(cpg, EMPTYSTRING));
}
else if (_resolvedQName != null) {
il.append(new PUSH(cpg, _resolvedQName.toString()));
}
else {
_name.translate(classGen, methodGen);
}
il.append(new INVOKEVIRTUAL(get));
il.append(new INVOKESTATIC(fn3arg));
}
Example #22
| Source File: WithParam.java From jdk1.8-source-analysis with Apache License 2.0 | 5 votes |
|
/**
* This code generates a sequence of bytecodes that call the
* addParameter() method in AbstractTranslet. The method call will add
* (or update) the parameter frame with the new parameter value.
*/
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
// Translate the value and put it on the stack
if (_doParameterOptimization) {
translateValue(classGen, methodGen);
return;
}
// Make name acceptable for use as field name in class
String name = Util.escape(getEscapedName());
// Load reference to the translet (method is in AbstractTranslet)
il.append(classGen.loadTranslet());
// Load the name of the parameter
il.append(new PUSH(cpg, name)); // TODO: namespace ?
// Generete the value of the parameter (use value in 'select' by def.)
translateValue(classGen, methodGen);
// Mark this parameter value is not being the default value
il.append(new PUSH(cpg, false));
// Pass the parameter to the template
il.append(new INVOKEVIRTUAL(cpg.addMethodref(TRANSLET_CLASS,
ADD_PARAMETER,
ADD_PARAMETER_SIG)));
il.append(POP); // cleanup stack
}
Example #23
| Source File: BooleanType.java From jdk1.8-source-analysis with Apache License 2.0 | 5 votes |
|
/**
* Expects a boolean on the stack and pushes a string. If the value on the
* stack is zero, then the string 'false' is pushed. Otherwise, the string
* 'true' is pushed.
*
* @see com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo
*/
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
StringType type) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
final BranchHandle falsec = il.append(new IFEQ(null));
il.append(new PUSH(cpg, "true"));
final BranchHandle truec = il.append(new GOTO(null));
falsec.setTarget(il.append(new PUSH(cpg, "false")));
truec.setTarget(il.append(NOP));
}
Example #24
| Source File: FunctionCall.java From jdk1.8-source-analysis with Apache License 2.0 | 5 votes |
|
/**
* Translate code to call the BasisLibrary.unallowed_extensionF(String)
* method.
*/
private void translateUnallowedExtension(ConstantPoolGen cpg,
InstructionList il) {
int index = cpg.addMethodref(BASIS_LIBRARY_CLASS,
"unallowed_extension_functionF",
"(Ljava/lang/String;)V");
il.append(new PUSH(cpg, _fname.toString()));
il.append(new INVOKESTATIC(index));
}
Example #25
| Source File: FunctionCall.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
/**
* Translate code to call the BasisLibrary.unallowed_extensionF(String)
* method.
*/
private void translateUnallowedExtension(ConstantPoolGen cpg,
InstructionList il) {
int index = cpg.addMethodref(BASIS_LIBRARY_CLASS,
"unallowed_extension_functionF",
"(Ljava/lang/String;)V");
il.append(new PUSH(cpg, _fname.toString()));
il.append(new INVOKESTATIC(index));
}
Example #26
| Source File: NodeSetType.java From jdk1.8-source-analysis with Apache License 2.0 | 5 votes |
|
/**
* Translates a node-set into a string. The string value of a node-set is
* value of its first element.
*
* @see com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo
*/
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
StringType type) {
final InstructionList il = methodGen.getInstructionList();
getFirstNode(classGen, methodGen);
il.append(DUP);
final BranchHandle falsec = il.append(new IFLT(null));
Type.Node.translateTo(classGen, methodGen, type);
final BranchHandle truec = il.append(new GOTO(null));
falsec.setTarget(il.append(POP));
il.append(new PUSH(classGen.getConstantPool(), ""));
truec.setTarget(il.append(NOP));
}
Example #27
| Source File: WithParam.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
/**
* This code generates a sequence of bytecodes that call the
* addParameter() method in AbstractTranslet. The method call will add
* (or update) the parameter frame with the new parameter value.
*/
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
// Translate the value and put it on the stack
if (_doParameterOptimization) {
translateValue(classGen, methodGen);
return;
}
// Make name acceptable for use as field name in class
String name = Util.escape(getEscapedName());
// Load reference to the translet (method is in AbstractTranslet)
il.append(classGen.loadTranslet());
// Load the name of the parameter
il.append(new PUSH(cpg, name)); // TODO: namespace ?
// Generete the value of the parameter (use value in 'select' by def.)
translateValue(classGen, methodGen);
// Mark this parameter value is not being the default value
il.append(new PUSH(cpg, false));
// Pass the parameter to the template
il.append(new INVOKEVIRTUAL(cpg.addMethodref(TRANSLET_CLASS,
ADD_PARAMETER,
ADD_PARAMETER_SIG)));
il.append(POP); // cleanup stack
}
Example #28
| Source File: IntExpr.java From TencentKona-8 with GNU General Public License v2.0 | 4 votes |
|
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
ConstantPoolGen cpg = classGen.getConstantPool();
InstructionList il = methodGen.getInstructionList();
il.append(new PUSH(cpg, _value));
}
Example #29
| Source File: Sort.java From TencentKona-8 with GNU General Public License v2.0 | 4 votes |
|
/**
* Compiles a method that overloads NodeSortRecord.extractValueFromDOM()
*/
private static MethodGenerator compileExtract(Vector<Sort> sortObjects,
NodeSortRecordGenerator sortRecord,
ConstantPoolGen cpg,
String className) {
final InstructionList il = new InstructionList();
// String NodeSortRecord.extractValueFromDOM(dom,node,level);
final CompareGenerator extractMethod =
new CompareGenerator(ACC_PUBLIC | ACC_FINAL,
com.sun.org.apache.bcel.internal.generic.Type.STRING,
new com.sun.org.apache.bcel.internal.generic.Type[] {
Util.getJCRefType(DOM_INTF_SIG),
com.sun.org.apache.bcel.internal.generic.Type.INT,
com.sun.org.apache.bcel.internal.generic.Type.INT,
Util.getJCRefType(TRANSLET_SIG),
com.sun.org.apache.bcel.internal.generic.Type.INT
},
new String[] { "dom",
"current",
"level",
"translet",
"last"
},
"extractValueFromDOM", className, il, cpg);
// Values needed for the switch statement
final int levels = sortObjects.size();
final int match[] = new int[levels];
final InstructionHandle target[] = new InstructionHandle[levels];
InstructionHandle tblswitch = null;
// Compile switch statement only if the key has multiple levels
if (levels > 1) {
// Put the parameter to the swtich statement on the stack
il.append(new ILOAD(extractMethod.getLocalIndex("level")));
// Append the switch statement here later on
tblswitch = il.append(new NOP());
}
// Append all the cases for the switch statment
for (int level = 0; level < levels; level++) {
match[level] = level;
final Sort sort = sortObjects.elementAt(level);
target[level] = il.append(NOP);
sort.translateSelect(sortRecord, extractMethod);
il.append(ARETURN);
}
// Compile def. target for switch statement if key has multiple levels
if (levels > 1) {
// Append the default target - it will _NEVER_ be reached
InstructionHandle defaultTarget =
il.append(new PUSH(cpg, EMPTYSTRING));
il.insert(tblswitch,new TABLESWITCH(match, target, defaultTarget));
il.append(ARETURN);
}
return extractMethod;
}
Example #30
| Source File: IdKeyPattern.java From TencentKona-8 with GNU General Public License v2.0 | 4 votes |
|
/**
* This method is called when the constructor is compiled in
* Stylesheet.compileConstructor() and not as the syntax tree is traversed.
*/
public void translate(ClassGenerator classGen,
MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
// Returns the KeyIndex object of a given name
final int getKeyIndex = cpg.addMethodref(TRANSLET_CLASS,
"getKeyIndex",
"(Ljava/lang/String;)"+
KEY_INDEX_SIG);
// Initialises a KeyIndex to return nodes with specific values
final int lookupId = cpg.addMethodref(KEY_INDEX_CLASS,
"containsID",
"(ILjava/lang/Object;)I");
final int lookupKey = cpg.addMethodref(KEY_INDEX_CLASS,
"containsKey",
"(ILjava/lang/Object;)I");
final int getNodeIdent = cpg.addInterfaceMethodref(DOM_INTF,
"getNodeIdent",
"(I)"+NODE_SIG);
// Call getKeyIndex in AbstractTranslet with the name of the key
// to get the index for this key (which is also a node iterator).
il.append(classGen.loadTranslet());
il.append(new PUSH(cpg,_index));
il.append(new INVOKEVIRTUAL(getKeyIndex));
// Now use the value in the second argument to determine what nodes
// the iterator should return.
il.append(SWAP);
il.append(new PUSH(cpg,_value));
if (this instanceof IdPattern)
{
il.append(new INVOKEVIRTUAL(lookupId));
}
else
{
il.append(new INVOKEVIRTUAL(lookupKey));
}
_trueList.add(il.append(new IFNE(null)));
_falseList.add(il.append(new GOTO(null)));
}
