com.sun.org.apache.bcel.internal.generic.PUTFIELD Java Examples
The following examples show how to use
com.sun.org.apache.bcel.internal.generic.PUTFIELD.
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Example #1
Source File: Variable.java From hottub with GNU General Public License v2.0 | 4 votes |
public void translate(ClassGenerator classGen, MethodGenerator methodGen) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = methodGen.getInstructionList(); // Don't generate code for unreferenced variables if (_refs.isEmpty()) { _ignore = true; } // Make sure that a variable instance is only compiled once if (_ignore) return; _ignore = true; final String name = getEscapedName(); if (isLocal()) { // Compile variable value computation translateValue(classGen, methodGen); // Add a new local variable and store value boolean createLocal = _local == null; if (createLocal) { mapRegister(methodGen); } InstructionHandle storeInst = il.append(_type.STORE(_local.getIndex())); // If the local is just being created, mark the store as the start // of its live range. Note that it might have been created by // initializeVariables already, which would have set the start of // the live range already. if (createLocal) { _local.setStart(storeInst); } } else { String signature = _type.toSignature(); // Global variables are store in class fields if (classGen.containsField(name) == null) { classGen.addField(new Field(ACC_PUBLIC, cpg.addUtf8(name), cpg.addUtf8(signature), null, cpg.getConstantPool())); // Push a reference to "this" for putfield il.append(classGen.loadTranslet()); // Compile variable value computation translateValue(classGen, methodGen); // Store the variable in the allocated field il.append(new PUTFIELD(cpg.addFieldref(classGen.getClassName(), name, signature))); } } }
Example #2
Source File: Predicate.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
/** * Translate a predicate expression. This translation pushes * two references on the stack: a reference to a newly created * filter object and a reference to the predicate's closure. */ public void translateFilter(ClassGenerator classGen, MethodGenerator methodGen) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = methodGen.getInstructionList(); // Compile auxiliary class for filter compileFilter(classGen, methodGen); // Create new instance of filter il.append(new NEW(cpg.addClass(_className))); il.append(DUP); il.append(new INVOKESPECIAL(cpg.addMethodref(_className, "<init>", "()V"))); // Initialize closure variables final int length = (_closureVars == null) ? 0 : _closureVars.size(); for (int i = 0; i < length; i++) { VariableRefBase varRef = (VariableRefBase) _closureVars.get(i); VariableBase var = varRef.getVariable(); Type varType = var.getType(); il.append(DUP); // Find nearest closure implemented as an inner class Closure variableClosure = _parentClosure; while (variableClosure != null) { if (variableClosure.inInnerClass()) break; variableClosure = variableClosure.getParentClosure(); } // Use getfield if in an inner class if (variableClosure != null) { il.append(ALOAD_0); il.append(new GETFIELD( cpg.addFieldref(variableClosure.getInnerClassName(), var.getEscapedName(), varType.toSignature()))); } else { // Use a load of instruction if in translet class il.append(var.loadInstruction()); } // Store variable in new closure il.append(new PUTFIELD( cpg.addFieldref(_className, var.getEscapedName(), varType.toSignature()))); } }
Example #3
Source File: StepPattern.java From hottub with GNU General Public License v2.0 | 4 votes |
private void translateGeneralContext(ClassGenerator classGen, MethodGenerator methodGen) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = methodGen.getInstructionList(); int iteratorIndex = 0; BranchHandle ifBlock = null; LocalVariableGen iter, node, node2; final String iteratorName = getNextFieldName(); // Store node on the stack into a local variable node = methodGen.addLocalVariable("step_pattern_tmp1", Util.getJCRefType(NODE_SIG), null, null); node.setStart(il.append(new ISTORE(node.getIndex()))); // Create a new local to store the iterator iter = methodGen.addLocalVariable("step_pattern_tmp2", Util.getJCRefType(NODE_ITERATOR_SIG), null, null); // Add a new private field if this is the main class if (!classGen.isExternal()) { final Field iterator = new Field(ACC_PRIVATE, cpg.addUtf8(iteratorName), cpg.addUtf8(NODE_ITERATOR_SIG), null, cpg.getConstantPool()); classGen.addField(iterator); iteratorIndex = cpg.addFieldref(classGen.getClassName(), iteratorName, NODE_ITERATOR_SIG); il.append(classGen.loadTranslet()); il.append(new GETFIELD(iteratorIndex)); il.append(DUP); iter.setStart(il.append(new ASTORE(iter.getIndex()))); ifBlock = il.append(new IFNONNULL(null)); il.append(classGen.loadTranslet()); } // Compile the step created at type checking time _step.translate(classGen, methodGen); InstructionHandle iterStore = il.append(new ASTORE(iter.getIndex())); // If in the main class update the field too if (!classGen.isExternal()) { il.append(new ALOAD(iter.getIndex())); il.append(new PUTFIELD(iteratorIndex)); ifBlock.setTarget(il.append(NOP)); } else { // If class is not external, start of range for iter variable was // set above iter.setStart(iterStore); } // Get the parent of the node on the stack il.append(methodGen.loadDOM()); il.append(new ILOAD(node.getIndex())); int index = cpg.addInterfaceMethodref(DOM_INTF, GET_PARENT, GET_PARENT_SIG); il.append(new INVOKEINTERFACE(index, 2)); // Initialize the iterator with the parent il.append(new ALOAD(iter.getIndex())); il.append(SWAP); il.append(methodGen.setStartNode()); /* * Inline loop: * * int node2; * while ((node2 = iter.next()) != NodeIterator.END * && node2 < node); * return node2 == node; */ BranchHandle skipNext; InstructionHandle begin, next; node2 = methodGen.addLocalVariable("step_pattern_tmp3", Util.getJCRefType(NODE_SIG), null, null); skipNext = il.append(new GOTO(null)); next = il.append(new ALOAD(iter.getIndex())); node2.setStart(next); begin = il.append(methodGen.nextNode()); il.append(DUP); il.append(new ISTORE(node2.getIndex())); _falseList.add(il.append(new IFLT(null))); // NodeIterator.END il.append(new ILOAD(node2.getIndex())); il.append(new ILOAD(node.getIndex())); iter.setEnd(il.append(new IF_ICMPLT(next))); node2.setEnd(il.append(new ILOAD(node2.getIndex()))); node.setEnd(il.append(new ILOAD(node.getIndex()))); _falseList.add(il.append(new IF_ICMPNE(null))); skipNext.setTarget(begin); }
Example #4
Source File: Param.java From hottub with GNU General Public License v2.0 | 4 votes |
public void translate(ClassGenerator classGen, MethodGenerator methodGen) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = methodGen.getInstructionList(); if (_ignore) return; _ignore = true; /* * To fix bug 24518 related to setting parameters of the form * {namespaceuri}localName which will get mapped to an instance * variable in the class. */ final String name = BasisLibrary.mapQNameToJavaName(_name.toString()); final String signature = _type.toSignature(); final String className = _type.getClassName(); if (isLocal()) { /* * If simple named template then generate a conditional init of the * param using its default value: * if (param == null) param = <default-value> */ if (_isInSimpleNamedTemplate) { il.append(loadInstruction()); BranchHandle ifBlock = il.append(new IFNONNULL(null)); translateValue(classGen, methodGen); il.append(storeInstruction()); ifBlock.setTarget(il.append(NOP)); return; } il.append(classGen.loadTranslet()); il.append(new PUSH(cpg, name)); translateValue(classGen, methodGen); il.append(new PUSH(cpg, true)); // Call addParameter() from this class il.append(new INVOKEVIRTUAL(cpg.addMethodref(TRANSLET_CLASS, ADD_PARAMETER, ADD_PARAMETER_SIG))); if (className != EMPTYSTRING) { il.append(new CHECKCAST(cpg.addClass(className))); } _type.translateUnBox(classGen, methodGen); if (_refs.isEmpty()) { // nobody uses the value il.append(_type.POP()); _local = null; } else { // normal case _local = methodGen.addLocalVariable2(name, _type.toJCType(), il.getEnd()); // Cache the result of addParameter() in a local variable il.append(_type.STORE(_local.getIndex())); } } else { if (classGen.containsField(name) == null) { classGen.addField(new Field(ACC_PUBLIC, cpg.addUtf8(name), cpg.addUtf8(signature), null, cpg.getConstantPool())); il.append(classGen.loadTranslet()); il.append(DUP); il.append(new PUSH(cpg, name)); translateValue(classGen, methodGen); il.append(new PUSH(cpg, true)); // Call addParameter() from this class il.append(new INVOKEVIRTUAL(cpg.addMethodref(TRANSLET_CLASS, ADD_PARAMETER, ADD_PARAMETER_SIG))); _type.translateUnBox(classGen, methodGen); // Cache the result of addParameter() in a field if (className != EMPTYSTRING) { il.append(new CHECKCAST(cpg.addClass(className))); } il.append(new PUTFIELD(cpg.addFieldref(classGen.getClassName(), name, signature))); } } }
Example #5
Source File: Stylesheet.java From hottub with GNU General Public License v2.0 | 4 votes |
/** * Compile the translet's constructor */ private void compileConstructor(ClassGenerator classGen, Output output) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = new InstructionList(); final MethodGenerator constructor = new MethodGenerator(ACC_PUBLIC, com.sun.org.apache.bcel.internal.generic.Type.VOID, null, null, "<init>", _className, il, cpg); // Call the constructor in the AbstractTranslet superclass il.append(classGen.loadTranslet()); il.append(new INVOKESPECIAL(cpg.addMethodref(TRANSLET_CLASS, "<init>", "()V"))); constructor.markChunkStart(); il.append(classGen.loadTranslet()); il.append(new GETSTATIC(cpg.addFieldref(_className, STATIC_NAMES_ARRAY_FIELD, NAMES_INDEX_SIG))); il.append(new PUTFIELD(cpg.addFieldref(TRANSLET_CLASS, NAMES_INDEX, NAMES_INDEX_SIG))); il.append(classGen.loadTranslet()); il.append(new GETSTATIC(cpg.addFieldref(_className, STATIC_URIS_ARRAY_FIELD, URIS_INDEX_SIG))); il.append(new PUTFIELD(cpg.addFieldref(TRANSLET_CLASS, URIS_INDEX, URIS_INDEX_SIG))); constructor.markChunkEnd(); constructor.markChunkStart(); il.append(classGen.loadTranslet()); il.append(new GETSTATIC(cpg.addFieldref(_className, STATIC_TYPES_ARRAY_FIELD, TYPES_INDEX_SIG))); il.append(new PUTFIELD(cpg.addFieldref(TRANSLET_CLASS, TYPES_INDEX, TYPES_INDEX_SIG))); constructor.markChunkEnd(); constructor.markChunkStart(); il.append(classGen.loadTranslet()); il.append(new GETSTATIC(cpg.addFieldref(_className, STATIC_NAMESPACE_ARRAY_FIELD, NAMESPACE_INDEX_SIG))); il.append(new PUTFIELD(cpg.addFieldref(TRANSLET_CLASS, NAMESPACE_INDEX, NAMESPACE_INDEX_SIG))); constructor.markChunkEnd(); constructor.markChunkStart(); il.append(classGen.loadTranslet()); il.append(new PUSH(cpg, AbstractTranslet.CURRENT_TRANSLET_VERSION)); il.append(new PUTFIELD(cpg.addFieldref(TRANSLET_CLASS, TRANSLET_VERSION_INDEX, TRANSLET_VERSION_INDEX_SIG))); constructor.markChunkEnd(); if (_hasIdCall) { constructor.markChunkStart(); il.append(classGen.loadTranslet()); il.append(new PUSH(cpg, Boolean.TRUE)); il.append(new PUTFIELD(cpg.addFieldref(TRANSLET_CLASS, HASIDCALL_INDEX, HASIDCALL_INDEX_SIG))); constructor.markChunkEnd(); } // Compile in code to set the output configuration from <xsl:output> if (output != null) { // Set all the output settings files in the translet constructor.markChunkStart(); output.translate(classGen, constructor); constructor.markChunkEnd(); } // Compile default decimal formatting symbols. // This is an implicit, nameless xsl:decimal-format top-level element. if (_numberFormattingUsed) { constructor.markChunkStart(); DecimalFormatting.translateDefaultDFS(classGen, constructor); constructor.markChunkEnd(); } il.append(RETURN); classGen.addMethod(constructor); }
Example #6
Source File: Variable.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
public void translate(ClassGenerator classGen, MethodGenerator methodGen) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = methodGen.getInstructionList(); // Don't generate code for unreferenced variables if (_refs.isEmpty()) { _ignore = true; } // Make sure that a variable instance is only compiled once if (_ignore) return; _ignore = true; final String name = getEscapedName(); if (isLocal()) { // Compile variable value computation translateValue(classGen, methodGen); // Add a new local variable and store value boolean createLocal = _local == null; if (createLocal) { mapRegister(methodGen); } InstructionHandle storeInst = il.append(_type.STORE(_local.getIndex())); // If the local is just being created, mark the store as the start // of its live range. Note that it might have been created by // initializeVariables already, which would have set the start of // the live range already. if (createLocal) { _local.setStart(storeInst); } } else { String signature = _type.toSignature(); // Global variables are store in class fields if (classGen.containsField(name) == null) { classGen.addField(new Field(ACC_PUBLIC, cpg.addUtf8(name), cpg.addUtf8(signature), null, cpg.getConstantPool())); // Push a reference to "this" for putfield il.append(classGen.loadTranslet()); // Compile variable value computation translateValue(classGen, methodGen); // Store the variable in the allocated field il.append(new PUTFIELD(cpg.addFieldref(classGen.getClassName(), name, signature))); } } }
Example #7
Source File: StepPattern.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
private void translateGeneralContext(ClassGenerator classGen, MethodGenerator methodGen) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = methodGen.getInstructionList(); int iteratorIndex = 0; BranchHandle ifBlock = null; LocalVariableGen iter, node, node2; final String iteratorName = getNextFieldName(); // Store node on the stack into a local variable node = methodGen.addLocalVariable("step_pattern_tmp1", Util.getJCRefType(NODE_SIG), null, null); node.setStart(il.append(new ISTORE(node.getIndex()))); // Create a new local to store the iterator iter = methodGen.addLocalVariable("step_pattern_tmp2", Util.getJCRefType(NODE_ITERATOR_SIG), null, null); // Add a new private field if this is the main class if (!classGen.isExternal()) { final Field iterator = new Field(ACC_PRIVATE, cpg.addUtf8(iteratorName), cpg.addUtf8(NODE_ITERATOR_SIG), null, cpg.getConstantPool()); classGen.addField(iterator); iteratorIndex = cpg.addFieldref(classGen.getClassName(), iteratorName, NODE_ITERATOR_SIG); il.append(classGen.loadTranslet()); il.append(new GETFIELD(iteratorIndex)); il.append(DUP); iter.setStart(il.append(new ASTORE(iter.getIndex()))); ifBlock = il.append(new IFNONNULL(null)); il.append(classGen.loadTranslet()); } // Compile the step created at type checking time _step.translate(classGen, methodGen); InstructionHandle iterStore = il.append(new ASTORE(iter.getIndex())); // If in the main class update the field too if (!classGen.isExternal()) { il.append(new ALOAD(iter.getIndex())); il.append(new PUTFIELD(iteratorIndex)); ifBlock.setTarget(il.append(NOP)); } else { // If class is not external, start of range for iter variable was // set above iter.setStart(iterStore); } // Get the parent of the node on the stack il.append(methodGen.loadDOM()); il.append(new ILOAD(node.getIndex())); int index = cpg.addInterfaceMethodref(DOM_INTF, GET_PARENT, GET_PARENT_SIG); il.append(new INVOKEINTERFACE(index, 2)); // Initialize the iterator with the parent il.append(new ALOAD(iter.getIndex())); il.append(SWAP); il.append(methodGen.setStartNode()); /* * Inline loop: * * int node2; * while ((node2 = iter.next()) != NodeIterator.END * && node2 < node); * return node2 == node; */ BranchHandle skipNext; InstructionHandle begin, next; node2 = methodGen.addLocalVariable("step_pattern_tmp3", Util.getJCRefType(NODE_SIG), null, null); skipNext = il.append(new GOTO(null)); next = il.append(new ALOAD(iter.getIndex())); node2.setStart(next); begin = il.append(methodGen.nextNode()); il.append(DUP); il.append(new ISTORE(node2.getIndex())); _falseList.add(il.append(new IFLT(null))); // NodeIterator.END il.append(new ILOAD(node2.getIndex())); il.append(new ILOAD(node.getIndex())); iter.setEnd(il.append(new IF_ICMPLT(next))); node2.setEnd(il.append(new ILOAD(node2.getIndex()))); node.setEnd(il.append(new ILOAD(node.getIndex()))); _falseList.add(il.append(new IF_ICMPNE(null))); skipNext.setTarget(begin); }
Example #8
Source File: Variable.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
public void translate(ClassGenerator classGen, MethodGenerator methodGen) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = methodGen.getInstructionList(); // Don't generate code for unreferenced variables if (_refs.isEmpty()) { _ignore = true; } // Make sure that a variable instance is only compiled once if (_ignore) return; _ignore = true; final String name = getEscapedName(); if (isLocal()) { // Compile variable value computation translateValue(classGen, methodGen); // Add a new local variable and store value boolean createLocal = _local == null; if (createLocal) { mapRegister(methodGen); } InstructionHandle storeInst = il.append(_type.STORE(_local.getIndex())); // If the local is just being created, mark the store as the start // of its live range. Note that it might have been created by // initializeVariables already, which would have set the start of // the live range already. if (createLocal) { _local.setStart(storeInst); } } else { String signature = _type.toSignature(); // Global variables are store in class fields if (classGen.containsField(name) == null) { classGen.addField(new Field(ACC_PUBLIC, cpg.addUtf8(name), cpg.addUtf8(signature), null, cpg.getConstantPool())); // Push a reference to "this" for putfield il.append(classGen.loadTranslet()); // Compile variable value computation translateValue(classGen, methodGen); // Store the variable in the allocated field il.append(new PUTFIELD(cpg.addFieldref(classGen.getClassName(), name, signature))); } } }
Example #9
Source File: Number.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
private void compileDefault(ClassGenerator classGen, MethodGenerator methodGen) { int index; ConstantPoolGen cpg = classGen.getConstantPool(); InstructionList il = methodGen.getInstructionList(); int[] fieldIndexes = getXSLTC().getNumberFieldIndexes(); if (fieldIndexes[_level] == -1) { Field defaultNode = new Field(ACC_PRIVATE, cpg.addUtf8(FieldNames[_level]), cpg.addUtf8(NODE_COUNTER_SIG), null, cpg.getConstantPool()); // Add a new private field to this class classGen.addField(defaultNode); // Get a reference to the newly added field fieldIndexes[_level] = cpg.addFieldref(classGen.getClassName(), FieldNames[_level], NODE_COUNTER_SIG); } // Check if field is initialized (runtime) il.append(classGen.loadTranslet()); il.append(new GETFIELD(fieldIndexes[_level])); final BranchHandle ifBlock1 = il.append(new IFNONNULL(null)); // Create an instance of DefaultNodeCounter index = cpg.addMethodref(ClassNames[_level], "getDefaultNodeCounter", "(" + TRANSLET_INTF_SIG + DOM_INTF_SIG + NODE_ITERATOR_SIG + ")" + NODE_COUNTER_SIG); il.append(classGen.loadTranslet()); il.append(methodGen.loadDOM()); il.append(methodGen.loadIterator()); il.append(new INVOKESTATIC(index)); il.append(DUP); // Store the node counter in the field il.append(classGen.loadTranslet()); il.append(SWAP); il.append(new PUTFIELD(fieldIndexes[_level])); final BranchHandle ifBlock2 = il.append(new GOTO(null)); // Backpatch conditionals ifBlock1.setTarget(il.append(classGen.loadTranslet())); il.append(new GETFIELD(fieldIndexes[_level])); ifBlock2.setTarget(il.append(NOP)); }
Example #10
Source File: Predicate.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
/** * Translate a predicate expression. This translation pushes * two references on the stack: a reference to a newly created * filter object and a reference to the predicate's closure. */ public void translateFilter(ClassGenerator classGen, MethodGenerator methodGen) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = methodGen.getInstructionList(); // Compile auxiliary class for filter compileFilter(classGen, methodGen); // Create new instance of filter il.append(new NEW(cpg.addClass(_className))); il.append(DUP); il.append(new INVOKESPECIAL(cpg.addMethodref(_className, "<init>", "()V"))); // Initialize closure variables final int length = (_closureVars == null) ? 0 : _closureVars.size(); for (int i = 0; i < length; i++) { VariableRefBase varRef = (VariableRefBase) _closureVars.get(i); VariableBase var = varRef.getVariable(); Type varType = var.getType(); il.append(DUP); // Find nearest closure implemented as an inner class Closure variableClosure = _parentClosure; while (variableClosure != null) { if (variableClosure.inInnerClass()) break; variableClosure = variableClosure.getParentClosure(); } // Use getfield if in an inner class if (variableClosure != null) { il.append(ALOAD_0); il.append(new GETFIELD( cpg.addFieldref(variableClosure.getInnerClassName(), var.getEscapedName(), varType.toSignature()))); } else { // Use a load of instruction if in translet class il.append(var.loadInstruction()); } // Store variable in new closure il.append(new PUTFIELD( cpg.addFieldref(_className, var.getEscapedName(), varType.toSignature()))); } }
Example #11
Source File: Stylesheet.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
/** * Compile the translet's constructor */ private void compileConstructor(ClassGenerator classGen, Output output) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = new InstructionList(); final MethodGenerator constructor = new MethodGenerator(ACC_PUBLIC, com.sun.org.apache.bcel.internal.generic.Type.VOID, null, null, "<init>", _className, il, cpg); // Call the constructor in the AbstractTranslet superclass il.append(classGen.loadTranslet()); il.append(new INVOKESPECIAL(cpg.addMethodref(TRANSLET_CLASS, "<init>", "()V"))); constructor.markChunkStart(); il.append(classGen.loadTranslet()); il.append(new GETSTATIC(cpg.addFieldref(_className, STATIC_NAMES_ARRAY_FIELD, NAMES_INDEX_SIG))); il.append(new PUTFIELD(cpg.addFieldref(TRANSLET_CLASS, NAMES_INDEX, NAMES_INDEX_SIG))); il.append(classGen.loadTranslet()); il.append(new GETSTATIC(cpg.addFieldref(_className, STATIC_URIS_ARRAY_FIELD, URIS_INDEX_SIG))); il.append(new PUTFIELD(cpg.addFieldref(TRANSLET_CLASS, URIS_INDEX, URIS_INDEX_SIG))); constructor.markChunkEnd(); constructor.markChunkStart(); il.append(classGen.loadTranslet()); il.append(new GETSTATIC(cpg.addFieldref(_className, STATIC_TYPES_ARRAY_FIELD, TYPES_INDEX_SIG))); il.append(new PUTFIELD(cpg.addFieldref(TRANSLET_CLASS, TYPES_INDEX, TYPES_INDEX_SIG))); constructor.markChunkEnd(); constructor.markChunkStart(); il.append(classGen.loadTranslet()); il.append(new GETSTATIC(cpg.addFieldref(_className, STATIC_NAMESPACE_ARRAY_FIELD, NAMESPACE_INDEX_SIG))); il.append(new PUTFIELD(cpg.addFieldref(TRANSLET_CLASS, NAMESPACE_INDEX, NAMESPACE_INDEX_SIG))); constructor.markChunkEnd(); constructor.markChunkStart(); il.append(classGen.loadTranslet()); il.append(new PUSH(cpg, AbstractTranslet.CURRENT_TRANSLET_VERSION)); il.append(new PUTFIELD(cpg.addFieldref(TRANSLET_CLASS, TRANSLET_VERSION_INDEX, TRANSLET_VERSION_INDEX_SIG))); constructor.markChunkEnd(); if (_hasIdCall) { constructor.markChunkStart(); il.append(classGen.loadTranslet()); il.append(new PUSH(cpg, Boolean.TRUE)); il.append(new PUTFIELD(cpg.addFieldref(TRANSLET_CLASS, HASIDCALL_INDEX, HASIDCALL_INDEX_SIG))); constructor.markChunkEnd(); } // Compile in code to set the output configuration from <xsl:output> if (output != null) { // Set all the output settings files in the translet constructor.markChunkStart(); output.translate(classGen, constructor); constructor.markChunkEnd(); } // Compile default decimal formatting symbols. // This is an implicit, nameless xsl:decimal-format top-level element. if (_numberFormattingUsed) { constructor.markChunkStart(); DecimalFormatting.translateDefaultDFS(classGen, constructor); constructor.markChunkEnd(); } il.append(RETURN); classGen.addMethod(constructor); }
Example #12
Source File: Param.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
public void translate(ClassGenerator classGen, MethodGenerator methodGen) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = methodGen.getInstructionList(); if (_ignore) return; _ignore = true; /* * To fix bug 24518 related to setting parameters of the form * {namespaceuri}localName which will get mapped to an instance * variable in the class. */ final String name = BasisLibrary.mapQNameToJavaName(_name.toString()); final String signature = _type.toSignature(); final String className = _type.getClassName(); if (isLocal()) { /* * If simple named template then generate a conditional init of the * param using its default value: * if (param == null) param = <default-value> */ if (_isInSimpleNamedTemplate) { il.append(loadInstruction()); BranchHandle ifBlock = il.append(new IFNONNULL(null)); translateValue(classGen, methodGen); il.append(storeInstruction()); ifBlock.setTarget(il.append(NOP)); return; } il.append(classGen.loadTranslet()); il.append(new PUSH(cpg, name)); translateValue(classGen, methodGen); il.append(new PUSH(cpg, true)); // Call addParameter() from this class il.append(new INVOKEVIRTUAL(cpg.addMethodref(TRANSLET_CLASS, ADD_PARAMETER, ADD_PARAMETER_SIG))); if (className != EMPTYSTRING) { il.append(new CHECKCAST(cpg.addClass(className))); } _type.translateUnBox(classGen, methodGen); if (_refs.isEmpty()) { // nobody uses the value il.append(_type.POP()); _local = null; } else { // normal case _local = methodGen.addLocalVariable2(name, _type.toJCType(), il.getEnd()); // Cache the result of addParameter() in a local variable il.append(_type.STORE(_local.getIndex())); } } else { if (classGen.containsField(name) == null) { classGen.addField(new Field(ACC_PUBLIC, cpg.addUtf8(name), cpg.addUtf8(signature), null, cpg.getConstantPool())); il.append(classGen.loadTranslet()); il.append(DUP); il.append(new PUSH(cpg, name)); translateValue(classGen, methodGen); il.append(new PUSH(cpg, true)); // Call addParameter() from this class il.append(new INVOKEVIRTUAL(cpg.addMethodref(TRANSLET_CLASS, ADD_PARAMETER, ADD_PARAMETER_SIG))); _type.translateUnBox(classGen, methodGen); // Cache the result of addParameter() in a field if (className != EMPTYSTRING) { il.append(new CHECKCAST(cpg.addClass(className))); } il.append(new PUTFIELD(cpg.addFieldref(classGen.getClassName(), name, signature))); } } }
Example #13
Source File: StepPattern.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
private void translateGeneralContext(ClassGenerator classGen, MethodGenerator methodGen) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = methodGen.getInstructionList(); int iteratorIndex = 0; BranchHandle ifBlock = null; LocalVariableGen iter, node, node2; final String iteratorName = getNextFieldName(); // Store node on the stack into a local variable node = methodGen.addLocalVariable("step_pattern_tmp1", Util.getJCRefType(NODE_SIG), null, null); node.setStart(il.append(new ISTORE(node.getIndex()))); // Create a new local to store the iterator iter = methodGen.addLocalVariable("step_pattern_tmp2", Util.getJCRefType(NODE_ITERATOR_SIG), null, null); // Add a new private field if this is the main class if (!classGen.isExternal()) { final Field iterator = new Field(ACC_PRIVATE, cpg.addUtf8(iteratorName), cpg.addUtf8(NODE_ITERATOR_SIG), null, cpg.getConstantPool()); classGen.addField(iterator); iteratorIndex = cpg.addFieldref(classGen.getClassName(), iteratorName, NODE_ITERATOR_SIG); il.append(classGen.loadTranslet()); il.append(new GETFIELD(iteratorIndex)); il.append(DUP); iter.setStart(il.append(new ASTORE(iter.getIndex()))); ifBlock = il.append(new IFNONNULL(null)); il.append(classGen.loadTranslet()); } // Compile the step created at type checking time _step.translate(classGen, methodGen); InstructionHandle iterStore = il.append(new ASTORE(iter.getIndex())); // If in the main class update the field too if (!classGen.isExternal()) { il.append(new ALOAD(iter.getIndex())); il.append(new PUTFIELD(iteratorIndex)); ifBlock.setTarget(il.append(NOP)); } else { // If class is not external, start of range for iter variable was // set above iter.setStart(iterStore); } // Get the parent of the node on the stack il.append(methodGen.loadDOM()); il.append(new ILOAD(node.getIndex())); int index = cpg.addInterfaceMethodref(DOM_INTF, GET_PARENT, GET_PARENT_SIG); il.append(new INVOKEINTERFACE(index, 2)); // Initialize the iterator with the parent il.append(new ALOAD(iter.getIndex())); il.append(SWAP); il.append(methodGen.setStartNode()); /* * Inline loop: * * int node2; * while ((node2 = iter.next()) != NodeIterator.END * && node2 < node); * return node2 == node; */ BranchHandle skipNext; InstructionHandle begin, next; node2 = methodGen.addLocalVariable("step_pattern_tmp3", Util.getJCRefType(NODE_SIG), null, null); skipNext = il.append(new GOTO(null)); next = il.append(new ALOAD(iter.getIndex())); node2.setStart(next); begin = il.append(methodGen.nextNode()); il.append(DUP); il.append(new ISTORE(node2.getIndex())); _falseList.add(il.append(new IFLT(null))); // NodeIterator.END il.append(new ILOAD(node2.getIndex())); il.append(new ILOAD(node.getIndex())); iter.setEnd(il.append(new IF_ICMPLT(next))); node2.setEnd(il.append(new ILOAD(node2.getIndex()))); node.setEnd(il.append(new ILOAD(node.getIndex()))); _falseList.add(il.append(new IF_ICMPNE(null))); skipNext.setTarget(begin); }
Example #14
Source File: Param.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
public void translate(ClassGenerator classGen, MethodGenerator methodGen) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = methodGen.getInstructionList(); if (_ignore) return; _ignore = true; /* * To fix bug 24518 related to setting parameters of the form * {namespaceuri}localName which will get mapped to an instance * variable in the class. */ final String name = BasisLibrary.mapQNameToJavaName(_name.toString()); final String signature = _type.toSignature(); final String className = _type.getClassName(); if (isLocal()) { /* * If simple named template then generate a conditional init of the * param using its default value: * if (param == null) param = <default-value> */ if (_isInSimpleNamedTemplate) { il.append(loadInstruction()); BranchHandle ifBlock = il.append(new IFNONNULL(null)); translateValue(classGen, methodGen); il.append(storeInstruction()); ifBlock.setTarget(il.append(NOP)); return; } il.append(classGen.loadTranslet()); il.append(new PUSH(cpg, name)); translateValue(classGen, methodGen); il.append(new PUSH(cpg, true)); // Call addParameter() from this class il.append(new INVOKEVIRTUAL(cpg.addMethodref(TRANSLET_CLASS, ADD_PARAMETER, ADD_PARAMETER_SIG))); if (className != EMPTYSTRING) { il.append(new CHECKCAST(cpg.addClass(className))); } _type.translateUnBox(classGen, methodGen); if (_refs.isEmpty()) { // nobody uses the value il.append(_type.POP()); _local = null; } else { // normal case _local = methodGen.addLocalVariable2(name, _type.toJCType(), il.getEnd()); // Cache the result of addParameter() in a local variable il.append(_type.STORE(_local.getIndex())); } } else { if (classGen.containsField(name) == null) { classGen.addField(new Field(ACC_PUBLIC, cpg.addUtf8(name), cpg.addUtf8(signature), null, cpg.getConstantPool())); il.append(classGen.loadTranslet()); il.append(DUP); il.append(new PUSH(cpg, name)); translateValue(classGen, methodGen); il.append(new PUSH(cpg, true)); // Call addParameter() from this class il.append(new INVOKEVIRTUAL(cpg.addMethodref(TRANSLET_CLASS, ADD_PARAMETER, ADD_PARAMETER_SIG))); _type.translateUnBox(classGen, methodGen); // Cache the result of addParameter() in a field if (className != EMPTYSTRING) { il.append(new CHECKCAST(cpg.addClass(className))); } il.append(new PUTFIELD(cpg.addFieldref(classGen.getClassName(), name, signature))); } } }
Example #15
Source File: Number.java From hottub with GNU General Public License v2.0 | 4 votes |
private void compileDefault(ClassGenerator classGen, MethodGenerator methodGen) { int index; ConstantPoolGen cpg = classGen.getConstantPool(); InstructionList il = methodGen.getInstructionList(); int[] fieldIndexes = getXSLTC().getNumberFieldIndexes(); if (fieldIndexes[_level] == -1) { Field defaultNode = new Field(ACC_PRIVATE, cpg.addUtf8(FieldNames[_level]), cpg.addUtf8(NODE_COUNTER_SIG), null, cpg.getConstantPool()); // Add a new private field to this class classGen.addField(defaultNode); // Get a reference to the newly added field fieldIndexes[_level] = cpg.addFieldref(classGen.getClassName(), FieldNames[_level], NODE_COUNTER_SIG); } // Check if field is initialized (runtime) il.append(classGen.loadTranslet()); il.append(new GETFIELD(fieldIndexes[_level])); final BranchHandle ifBlock1 = il.append(new IFNONNULL(null)); // Create an instance of DefaultNodeCounter index = cpg.addMethodref(ClassNames[_level], "getDefaultNodeCounter", "(" + TRANSLET_INTF_SIG + DOM_INTF_SIG + NODE_ITERATOR_SIG + ")" + NODE_COUNTER_SIG); il.append(classGen.loadTranslet()); il.append(methodGen.loadDOM()); il.append(methodGen.loadIterator()); il.append(new INVOKESTATIC(index)); il.append(DUP); // Store the node counter in the field il.append(classGen.loadTranslet()); il.append(SWAP); il.append(new PUTFIELD(fieldIndexes[_level])); final BranchHandle ifBlock2 = il.append(new GOTO(null)); // Backpatch conditionals ifBlock1.setTarget(il.append(classGen.loadTranslet())); il.append(new GETFIELD(fieldIndexes[_level])); ifBlock2.setTarget(il.append(NOP)); }
Example #16
Source File: Predicate.java From hottub with GNU General Public License v2.0 | 4 votes |
/** * Translate a predicate expression. This translation pushes * two references on the stack: a reference to a newly created * filter object and a reference to the predicate's closure. */ public void translateFilter(ClassGenerator classGen, MethodGenerator methodGen) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = methodGen.getInstructionList(); // Compile auxiliary class for filter compileFilter(classGen, methodGen); // Create new instance of filter il.append(new NEW(cpg.addClass(_className))); il.append(DUP); il.append(new INVOKESPECIAL(cpg.addMethodref(_className, "<init>", "()V"))); // Initialize closure variables final int length = (_closureVars == null) ? 0 : _closureVars.size(); for (int i = 0; i < length; i++) { VariableRefBase varRef = (VariableRefBase) _closureVars.get(i); VariableBase var = varRef.getVariable(); Type varType = var.getType(); il.append(DUP); // Find nearest closure implemented as an inner class Closure variableClosure = _parentClosure; while (variableClosure != null) { if (variableClosure.inInnerClass()) break; variableClosure = variableClosure.getParentClosure(); } // Use getfield if in an inner class if (variableClosure != null) { il.append(ALOAD_0); il.append(new GETFIELD( cpg.addFieldref(variableClosure.getInnerClassName(), var.getEscapedName(), varType.toSignature()))); } else { // Use a load of instruction if in translet class il.append(var.loadInstruction()); } // Store variable in new closure il.append(new PUTFIELD( cpg.addFieldref(_className, var.getEscapedName(), varType.toSignature()))); } }
Example #17
Source File: StepPattern.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
private void translateGeneralContext(ClassGenerator classGen, MethodGenerator methodGen) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = methodGen.getInstructionList(); int iteratorIndex = 0; BranchHandle ifBlock = null; LocalVariableGen iter, node, node2; final String iteratorName = getNextFieldName(); // Store node on the stack into a local variable node = methodGen.addLocalVariable("step_pattern_tmp1", Util.getJCRefType(NODE_SIG), null, null); node.setStart(il.append(new ISTORE(node.getIndex()))); // Create a new local to store the iterator iter = methodGen.addLocalVariable("step_pattern_tmp2", Util.getJCRefType(NODE_ITERATOR_SIG), null, null); // Add a new private field if this is the main class if (!classGen.isExternal()) { final Field iterator = new Field(ACC_PRIVATE, cpg.addUtf8(iteratorName), cpg.addUtf8(NODE_ITERATOR_SIG), null, cpg.getConstantPool()); classGen.addField(iterator); iteratorIndex = cpg.addFieldref(classGen.getClassName(), iteratorName, NODE_ITERATOR_SIG); il.append(classGen.loadTranslet()); il.append(new GETFIELD(iteratorIndex)); il.append(DUP); iter.setStart(il.append(new ASTORE(iter.getIndex()))); ifBlock = il.append(new IFNONNULL(null)); il.append(classGen.loadTranslet()); } // Compile the step created at type checking time _step.translate(classGen, methodGen); InstructionHandle iterStore = il.append(new ASTORE(iter.getIndex())); // If in the main class update the field too if (!classGen.isExternal()) { il.append(new ALOAD(iter.getIndex())); il.append(new PUTFIELD(iteratorIndex)); ifBlock.setTarget(il.append(NOP)); } else { // If class is not external, start of range for iter variable was // set above iter.setStart(iterStore); } // Get the parent of the node on the stack il.append(methodGen.loadDOM()); il.append(new ILOAD(node.getIndex())); int index = cpg.addInterfaceMethodref(DOM_INTF, GET_PARENT, GET_PARENT_SIG); il.append(new INVOKEINTERFACE(index, 2)); // Initialize the iterator with the parent il.append(new ALOAD(iter.getIndex())); il.append(SWAP); il.append(methodGen.setStartNode()); /* * Inline loop: * * int node2; * while ((node2 = iter.next()) != NodeIterator.END * && node2 < node); * return node2 == node; */ BranchHandle skipNext; InstructionHandle begin, next; node2 = methodGen.addLocalVariable("step_pattern_tmp3", Util.getJCRefType(NODE_SIG), null, null); skipNext = il.append(new GOTO(null)); next = il.append(new ALOAD(iter.getIndex())); node2.setStart(next); begin = il.append(methodGen.nextNode()); il.append(DUP); il.append(new ISTORE(node2.getIndex())); _falseList.add(il.append(new IFLT(null))); // NodeIterator.END il.append(new ILOAD(node2.getIndex())); il.append(new ILOAD(node.getIndex())); iter.setEnd(il.append(new IF_ICMPLT(next))); node2.setEnd(il.append(new ILOAD(node2.getIndex()))); node.setEnd(il.append(new ILOAD(node.getIndex()))); _falseList.add(il.append(new IF_ICMPNE(null))); skipNext.setTarget(begin); }
Example #18
Source File: Param.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
public void translate(ClassGenerator classGen, MethodGenerator methodGen) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = methodGen.getInstructionList(); if (_ignore) return; _ignore = true; /* * To fix bug 24518 related to setting parameters of the form * {namespaceuri}localName which will get mapped to an instance * variable in the class. */ final String name = BasisLibrary.mapQNameToJavaName(_name.toString()); final String signature = _type.toSignature(); final String className = _type.getClassName(); if (isLocal()) { /* * If simple named template then generate a conditional init of the * param using its default value: * if (param == null) param = <default-value> */ if (_isInSimpleNamedTemplate) { il.append(loadInstruction()); BranchHandle ifBlock = il.append(new IFNONNULL(null)); translateValue(classGen, methodGen); il.append(storeInstruction()); ifBlock.setTarget(il.append(NOP)); return; } il.append(classGen.loadTranslet()); il.append(new PUSH(cpg, name)); translateValue(classGen, methodGen); il.append(new PUSH(cpg, true)); // Call addParameter() from this class il.append(new INVOKEVIRTUAL(cpg.addMethodref(TRANSLET_CLASS, ADD_PARAMETER, ADD_PARAMETER_SIG))); if (className != EMPTYSTRING) { il.append(new CHECKCAST(cpg.addClass(className))); } _type.translateUnBox(classGen, methodGen); if (_refs.isEmpty()) { // nobody uses the value il.append(_type.POP()); _local = null; } else { // normal case _local = methodGen.addLocalVariable2(name, _type.toJCType(), il.getEnd()); // Cache the result of addParameter() in a local variable il.append(_type.STORE(_local.getIndex())); } } else { if (classGen.containsField(name) == null) { classGen.addField(new Field(ACC_PUBLIC, cpg.addUtf8(name), cpg.addUtf8(signature), null, cpg.getConstantPool())); il.append(classGen.loadTranslet()); il.append(DUP); il.append(new PUSH(cpg, name)); translateValue(classGen, methodGen); il.append(new PUSH(cpg, true)); // Call addParameter() from this class il.append(new INVOKEVIRTUAL(cpg.addMethodref(TRANSLET_CLASS, ADD_PARAMETER, ADD_PARAMETER_SIG))); _type.translateUnBox(classGen, methodGen); // Cache the result of addParameter() in a field if (className != EMPTYSTRING) { il.append(new CHECKCAST(cpg.addClass(className))); } il.append(new PUTFIELD(cpg.addFieldref(classGen.getClassName(), name, signature))); } } }
Example #19
Source File: Stylesheet.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
/** * Compile the translet's constructor */ private void compileConstructor(ClassGenerator classGen, Output output) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = new InstructionList(); final MethodGenerator constructor = new MethodGenerator(ACC_PUBLIC, com.sun.org.apache.bcel.internal.generic.Type.VOID, null, null, "<init>", _className, il, cpg); // Call the constructor in the AbstractTranslet superclass il.append(classGen.loadTranslet()); il.append(new INVOKESPECIAL(cpg.addMethodref(TRANSLET_CLASS, "<init>", "()V"))); constructor.markChunkStart(); il.append(classGen.loadTranslet()); il.append(new GETSTATIC(cpg.addFieldref(_className, STATIC_NAMES_ARRAY_FIELD, NAMES_INDEX_SIG))); il.append(new PUTFIELD(cpg.addFieldref(TRANSLET_CLASS, NAMES_INDEX, NAMES_INDEX_SIG))); il.append(classGen.loadTranslet()); il.append(new GETSTATIC(cpg.addFieldref(_className, STATIC_URIS_ARRAY_FIELD, URIS_INDEX_SIG))); il.append(new PUTFIELD(cpg.addFieldref(TRANSLET_CLASS, URIS_INDEX, URIS_INDEX_SIG))); constructor.markChunkEnd(); constructor.markChunkStart(); il.append(classGen.loadTranslet()); il.append(new GETSTATIC(cpg.addFieldref(_className, STATIC_TYPES_ARRAY_FIELD, TYPES_INDEX_SIG))); il.append(new PUTFIELD(cpg.addFieldref(TRANSLET_CLASS, TYPES_INDEX, TYPES_INDEX_SIG))); constructor.markChunkEnd(); constructor.markChunkStart(); il.append(classGen.loadTranslet()); il.append(new GETSTATIC(cpg.addFieldref(_className, STATIC_NAMESPACE_ARRAY_FIELD, NAMESPACE_INDEX_SIG))); il.append(new PUTFIELD(cpg.addFieldref(TRANSLET_CLASS, NAMESPACE_INDEX, NAMESPACE_INDEX_SIG))); constructor.markChunkEnd(); constructor.markChunkStart(); il.append(classGen.loadTranslet()); il.append(new PUSH(cpg, AbstractTranslet.CURRENT_TRANSLET_VERSION)); il.append(new PUTFIELD(cpg.addFieldref(TRANSLET_CLASS, TRANSLET_VERSION_INDEX, TRANSLET_VERSION_INDEX_SIG))); constructor.markChunkEnd(); if (_hasIdCall) { constructor.markChunkStart(); il.append(classGen.loadTranslet()); il.append(new PUSH(cpg, Boolean.TRUE)); il.append(new PUTFIELD(cpg.addFieldref(TRANSLET_CLASS, HASIDCALL_INDEX, HASIDCALL_INDEX_SIG))); constructor.markChunkEnd(); } // Compile in code to set the output configuration from <xsl:output> if (output != null) { // Set all the output settings files in the translet constructor.markChunkStart(); output.translate(classGen, constructor); constructor.markChunkEnd(); } // Compile default decimal formatting symbols. // This is an implicit, nameless xsl:decimal-format top-level element. if (_numberFormattingUsed) { constructor.markChunkStart(); DecimalFormatting.translateDefaultDFS(classGen, constructor); constructor.markChunkEnd(); } il.append(RETURN); classGen.addMethod(constructor); }
Example #20
Source File: Predicate.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
/** * Translate a predicate expression. This translation pushes * two references on the stack: a reference to a newly created * filter object and a reference to the predicate's closure. */ public void translateFilter(ClassGenerator classGen, MethodGenerator methodGen) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = methodGen.getInstructionList(); // Compile auxiliary class for filter compileFilter(classGen, methodGen); // Create new instance of filter il.append(new NEW(cpg.addClass(_className))); il.append(DUP); il.append(new INVOKESPECIAL(cpg.addMethodref(_className, "<init>", "()V"))); // Initialize closure variables final int length = (_closureVars == null) ? 0 : _closureVars.size(); for (int i = 0; i < length; i++) { VariableRefBase varRef = (VariableRefBase) _closureVars.get(i); VariableBase var = varRef.getVariable(); Type varType = var.getType(); il.append(DUP); // Find nearest closure implemented as an inner class Closure variableClosure = _parentClosure; while (variableClosure != null) { if (variableClosure.inInnerClass()) break; variableClosure = variableClosure.getParentClosure(); } // Use getfield if in an inner class if (variableClosure != null) { il.append(ALOAD_0); il.append(new GETFIELD( cpg.addFieldref(variableClosure.getInnerClassName(), var.getEscapedName(), varType.toSignature()))); } else { // Use a load of instruction if in translet class il.append(var.loadInstruction()); } // Store variable in new closure il.append(new PUTFIELD( cpg.addFieldref(_className, var.getEscapedName(), varType.toSignature()))); } }
Example #21
Source File: Number.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
private void compileDefault(ClassGenerator classGen, MethodGenerator methodGen) { int index; ConstantPoolGen cpg = classGen.getConstantPool(); InstructionList il = methodGen.getInstructionList(); int[] fieldIndexes = getXSLTC().getNumberFieldIndexes(); if (fieldIndexes[_level] == -1) { Field defaultNode = new Field(ACC_PRIVATE, cpg.addUtf8(FieldNames[_level]), cpg.addUtf8(NODE_COUNTER_SIG), null, cpg.getConstantPool()); // Add a new private field to this class classGen.addField(defaultNode); // Get a reference to the newly added field fieldIndexes[_level] = cpg.addFieldref(classGen.getClassName(), FieldNames[_level], NODE_COUNTER_SIG); } // Check if field is initialized (runtime) il.append(classGen.loadTranslet()); il.append(new GETFIELD(fieldIndexes[_level])); final BranchHandle ifBlock1 = il.append(new IFNONNULL(null)); // Create an instance of DefaultNodeCounter index = cpg.addMethodref(ClassNames[_level], "getDefaultNodeCounter", "(" + TRANSLET_INTF_SIG + DOM_INTF_SIG + NODE_ITERATOR_SIG + ")" + NODE_COUNTER_SIG); il.append(classGen.loadTranslet()); il.append(methodGen.loadDOM()); il.append(methodGen.loadIterator()); il.append(new INVOKESTATIC(index)); il.append(DUP); // Store the node counter in the field il.append(classGen.loadTranslet()); il.append(SWAP); il.append(new PUTFIELD(fieldIndexes[_level])); final BranchHandle ifBlock2 = il.append(new GOTO(null)); // Backpatch conditionals ifBlock1.setTarget(il.append(classGen.loadTranslet())); il.append(new GETFIELD(fieldIndexes[_level])); ifBlock2.setTarget(il.append(NOP)); }
Example #22
Source File: Variable.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
public void translate(ClassGenerator classGen, MethodGenerator methodGen) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = methodGen.getInstructionList(); // Don't generate code for unreferenced variables if (_refs.isEmpty()) { _ignore = true; } // Make sure that a variable instance is only compiled once if (_ignore) return; _ignore = true; final String name = getEscapedName(); if (isLocal()) { // Compile variable value computation translateValue(classGen, methodGen); // Add a new local variable and store value boolean createLocal = _local == null; if (createLocal) { mapRegister(methodGen); } InstructionHandle storeInst = il.append(_type.STORE(_local.getIndex())); // If the local is just being created, mark the store as the start // of its live range. Note that it might have been created by // initializeVariables already, which would have set the start of // the live range already. if (createLocal) { _local.setStart(storeInst); } } else { String signature = _type.toSignature(); // Global variables are store in class fields if (classGen.containsField(name) == null) { classGen.addField(new Field(ACC_PUBLIC, cpg.addUtf8(name), cpg.addUtf8(signature), null, cpg.getConstantPool())); // Push a reference to "this" for putfield il.append(classGen.loadTranslet()); // Compile variable value computation translateValue(classGen, methodGen); // Store the variable in the allocated field il.append(new PUTFIELD(cpg.addFieldref(classGen.getClassName(), name, signature))); } } }
Example #23
Source File: StepPattern.java From Bytecoder with Apache License 2.0 | 4 votes |
private void translateGeneralContext(ClassGenerator classGen, MethodGenerator methodGen) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = methodGen.getInstructionList(); int iteratorIndex = 0; BranchHandle ifBlock = null; LocalVariableGen iter, node, node2; final String iteratorName = getNextFieldName(); // Store node on the stack into a local variable node = methodGen.addLocalVariable("step_pattern_tmp1", Util.getJCRefType(NODE_SIG), null, null); node.setStart(il.append(new ISTORE(node.getIndex()))); // Create a new local to store the iterator iter = methodGen.addLocalVariable("step_pattern_tmp2", Util.getJCRefType(NODE_ITERATOR_SIG), null, null); // Add a new private field if this is the main class if (!classGen.isExternal()) { final Field iterator = new Field(ACC_PRIVATE, cpg.addUtf8(iteratorName), cpg.addUtf8(NODE_ITERATOR_SIG), null, cpg.getConstantPool()); classGen.addField(iterator); iteratorIndex = cpg.addFieldref(classGen.getClassName(), iteratorName, NODE_ITERATOR_SIG); il.append(classGen.loadTranslet()); il.append(new GETFIELD(iteratorIndex)); il.append(DUP); iter.setStart(il.append(new ASTORE(iter.getIndex()))); ifBlock = il.append(new IFNONNULL(null)); il.append(classGen.loadTranslet()); } // Compile the step created at type checking time _step.translate(classGen, methodGen); InstructionHandle iterStore = il.append(new ASTORE(iter.getIndex())); // If in the main class update the field too if (!classGen.isExternal()) { il.append(new ALOAD(iter.getIndex())); il.append(new PUTFIELD(iteratorIndex)); ifBlock.setTarget(il.append(NOP)); } else { // If class is not external, start of range for iter variable was // set above iter.setStart(iterStore); } // Get the parent of the node on the stack il.append(methodGen.loadDOM()); il.append(new ILOAD(node.getIndex())); int index = cpg.addInterfaceMethodref(DOM_INTF, GET_PARENT, GET_PARENT_SIG); il.append(new INVOKEINTERFACE(index, 2)); // Initialize the iterator with the parent il.append(new ALOAD(iter.getIndex())); il.append(SWAP); il.append(methodGen.setStartNode()); /* * Inline loop: * * int node2; * while ((node2 = iter.next()) != NodeIterator.END * && node2 < node); * return node2 == node; */ BranchHandle skipNext; InstructionHandle begin, next; node2 = methodGen.addLocalVariable("step_pattern_tmp3", Util.getJCRefType(NODE_SIG), null, null); skipNext = il.append(new GOTO(null)); next = il.append(new ALOAD(iter.getIndex())); node2.setStart(next); begin = il.append(methodGen.nextNode()); il.append(DUP); il.append(new ISTORE(node2.getIndex())); _falseList.add(il.append(new IFLT(null))); // NodeIterator.END il.append(new ILOAD(node2.getIndex())); il.append(new ILOAD(node.getIndex())); iter.setEnd(il.append(new IF_ICMPLT(next))); node2.setEnd(il.append(new ILOAD(node2.getIndex()))); node.setEnd(il.append(new ILOAD(node.getIndex()))); _falseList.add(il.append(new IF_ICMPNE(null))); skipNext.setTarget(begin); }
Example #24
Source File: Param.java From Bytecoder with Apache License 2.0 | 4 votes |
public void translate(ClassGenerator classGen, MethodGenerator methodGen) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = methodGen.getInstructionList(); if (_ignore) return; _ignore = true; /* * To fix bug 24518 related to setting parameters of the form * {namespaceuri}localName which will get mapped to an instance * variable in the class. */ final String name = BasisLibrary.mapQNameToJavaName(_name.toString()); final String signature = _type.toSignature(); final String className = _type.getClassName(); if (isLocal()) { /* * If simple named template then generate a conditional init of the * param using its default value: * if (param == null) param = <default-value> */ if (_isInSimpleNamedTemplate) { il.append(loadInstruction()); BranchHandle ifBlock = il.append(new IFNONNULL(null)); translateValue(classGen, methodGen); il.append(storeInstruction()); ifBlock.setTarget(il.append(NOP)); return; } il.append(classGen.loadTranslet()); il.append(new PUSH(cpg, name)); translateValue(classGen, methodGen); il.append(new PUSH(cpg, true)); // Call addParameter() from this class il.append(new INVOKEVIRTUAL(cpg.addMethodref(TRANSLET_CLASS, ADD_PARAMETER, ADD_PARAMETER_SIG))); if (className != EMPTYSTRING) { il.append(new CHECKCAST(cpg.addClass(className))); } _type.translateUnBox(classGen, methodGen); if (_refs.isEmpty()) { // nobody uses the value il.append(_type.POP()); _local = null; } else { // normal case _local = methodGen.addLocalVariable2(name, _type.toJCType(), il.getEnd()); // Cache the result of addParameter() in a local variable il.append(_type.STORE(_local.getIndex())); } } else { if (classGen.containsField(name) == null) { classGen.addField(new Field(ACC_PUBLIC, cpg.addUtf8(name), cpg.addUtf8(signature), null, cpg.getConstantPool())); il.append(classGen.loadTranslet()); il.append(DUP); il.append(new PUSH(cpg, name)); translateValue(classGen, methodGen); il.append(new PUSH(cpg, true)); // Call addParameter() from this class il.append(new INVOKEVIRTUAL(cpg.addMethodref(TRANSLET_CLASS, ADD_PARAMETER, ADD_PARAMETER_SIG))); _type.translateUnBox(classGen, methodGen); // Cache the result of addParameter() in a field if (className != EMPTYSTRING) { il.append(new CHECKCAST(cpg.addClass(className))); } il.append(new PUTFIELD(cpg.addFieldref(classGen.getClassName(), name, signature))); } } }
Example #25
Source File: Stylesheet.java From Bytecoder with Apache License 2.0 | 4 votes |
/** * Compile the translet's constructor */ private void compileConstructor(ClassGenerator classGen, Output output) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = new InstructionList(); final MethodGenerator constructor = new MethodGenerator(ACC_PUBLIC, com.sun.org.apache.bcel.internal.generic.Type.VOID, null, null, "<init>", _className, il, cpg); // Call the constructor in the AbstractTranslet superclass il.append(classGen.loadTranslet()); il.append(new INVOKESPECIAL(cpg.addMethodref(TRANSLET_CLASS, "<init>", "()V"))); constructor.markChunkStart(); il.append(classGen.loadTranslet()); il.append(new GETSTATIC(cpg.addFieldref(_className, STATIC_NAMES_ARRAY_FIELD, NAMES_INDEX_SIG))); il.append(new PUTFIELD(cpg.addFieldref(TRANSLET_CLASS, NAMES_INDEX, NAMES_INDEX_SIG))); il.append(classGen.loadTranslet()); il.append(new GETSTATIC(cpg.addFieldref(_className, STATIC_URIS_ARRAY_FIELD, URIS_INDEX_SIG))); il.append(new PUTFIELD(cpg.addFieldref(TRANSLET_CLASS, URIS_INDEX, URIS_INDEX_SIG))); constructor.markChunkEnd(); constructor.markChunkStart(); il.append(classGen.loadTranslet()); il.append(new GETSTATIC(cpg.addFieldref(_className, STATIC_TYPES_ARRAY_FIELD, TYPES_INDEX_SIG))); il.append(new PUTFIELD(cpg.addFieldref(TRANSLET_CLASS, TYPES_INDEX, TYPES_INDEX_SIG))); constructor.markChunkEnd(); constructor.markChunkStart(); il.append(classGen.loadTranslet()); il.append(new GETSTATIC(cpg.addFieldref(_className, STATIC_NAMESPACE_ARRAY_FIELD, NAMESPACE_INDEX_SIG))); il.append(new PUTFIELD(cpg.addFieldref(TRANSLET_CLASS, NAMESPACE_INDEX, NAMESPACE_INDEX_SIG))); constructor.markChunkEnd(); constructor.markChunkStart(); il.append(classGen.loadTranslet()); il.append(new PUSH(cpg, AbstractTranslet.CURRENT_TRANSLET_VERSION)); il.append(new PUTFIELD(cpg.addFieldref(TRANSLET_CLASS, TRANSLET_VERSION_INDEX, TRANSLET_VERSION_INDEX_SIG))); constructor.markChunkEnd(); if (_hasIdCall) { constructor.markChunkStart(); il.append(classGen.loadTranslet()); il.append(new PUSH(cpg, Boolean.TRUE)); il.append(new PUTFIELD(cpg.addFieldref(TRANSLET_CLASS, HASIDCALL_INDEX, HASIDCALL_INDEX_SIG))); constructor.markChunkEnd(); } // Compile in code to set the output configuration from <xsl:output> if (output != null) { // Set all the output settings files in the translet constructor.markChunkStart(); output.translate(classGen, constructor); constructor.markChunkEnd(); } // Compile default decimal formatting symbols. // This is an implicit, nameless xsl:decimal-format top-level element. if (_numberFormattingUsed) { constructor.markChunkStart(); DecimalFormatting.translateDefaultDFS(classGen, constructor); constructor.markChunkEnd(); } il.append(RETURN); classGen.addMethod(constructor); }
Example #26
Source File: Predicate.java From Bytecoder with Apache License 2.0 | 4 votes |
/** * Translate a predicate expression. This translation pushes * two references on the stack: a reference to a newly created * filter object and a reference to the predicate's closure. */ public void translateFilter(ClassGenerator classGen, MethodGenerator methodGen) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = methodGen.getInstructionList(); // Compile auxiliary class for filter compileFilter(classGen, methodGen); // Create new instance of filter il.append(new NEW(cpg.addClass(_className))); il.append(DUP); il.append(new INVOKESPECIAL(cpg.addMethodref(_className, "<init>", "()V"))); // Initialize closure variables final int length = (_closureVars == null) ? 0 : _closureVars.size(); for (int i = 0; i < length; i++) { VariableRefBase varRef = _closureVars.get(i); VariableBase var = varRef.getVariable(); Type varType = var.getType(); il.append(DUP); // Find nearest closure implemented as an inner class Closure variableClosure = _parentClosure; while (variableClosure != null) { if (variableClosure.inInnerClass()) break; variableClosure = variableClosure.getParentClosure(); } // Use getfield if in an inner class if (variableClosure != null) { il.append(ALOAD_0); il.append(new GETFIELD( cpg.addFieldref(variableClosure.getInnerClassName(), var.getEscapedName(), varType.toSignature()))); } else { // Use a load of instruction if in translet class il.append(var.loadInstruction()); } // Store variable in new closure il.append(new PUTFIELD( cpg.addFieldref(_className, var.getEscapedName(), varType.toSignature()))); } }
Example #27
Source File: Number.java From Bytecoder with Apache License 2.0 | 4 votes |
private void compileDefault(ClassGenerator classGen, MethodGenerator methodGen) { int index; ConstantPoolGen cpg = classGen.getConstantPool(); InstructionList il = methodGen.getInstructionList(); int[] fieldIndexes = getXSLTC().getNumberFieldIndexes(); if (fieldIndexes[_level] == -1) { Field defaultNode = new Field(ACC_PRIVATE, cpg.addUtf8(FieldNames[_level]), cpg.addUtf8(NODE_COUNTER_SIG), null, cpg.getConstantPool()); // Add a new private field to this class classGen.addField(defaultNode); // Get a reference to the newly added field fieldIndexes[_level] = cpg.addFieldref(classGen.getClassName(), FieldNames[_level], NODE_COUNTER_SIG); } // Check if field is initialized (runtime) il.append(classGen.loadTranslet()); il.append(new GETFIELD(fieldIndexes[_level])); final BranchHandle ifBlock1 = il.append(new IFNONNULL(null)); // Create an instance of DefaultNodeCounter index = cpg.addMethodref(ClassNames[_level], "getDefaultNodeCounter", "(" + TRANSLET_INTF_SIG + DOM_INTF_SIG + NODE_ITERATOR_SIG + ")" + NODE_COUNTER_SIG); il.append(classGen.loadTranslet()); il.append(methodGen.loadDOM()); il.append(methodGen.loadIterator()); il.append(new INVOKESTATIC(index)); il.append(DUP); // Store the node counter in the field il.append(classGen.loadTranslet()); il.append(SWAP); il.append(new PUTFIELD(fieldIndexes[_level])); final BranchHandle ifBlock2 = il.append(new GOTO(null)); // Backpatch conditionals ifBlock1.setTarget(il.append(classGen.loadTranslet())); il.append(new GETFIELD(fieldIndexes[_level])); ifBlock2.setTarget(il.append(NOP)); }
Example #28
Source File: Variable.java From Bytecoder with Apache License 2.0 | 4 votes |
public void translate(ClassGenerator classGen, MethodGenerator methodGen) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = methodGen.getInstructionList(); // Don't generate code for unreferenced variables if (_refs.isEmpty()) { _ignore = true; } // Make sure that a variable instance is only compiled once if (_ignore) return; _ignore = true; final String name = getEscapedName(); if (isLocal()) { // Compile variable value computation translateValue(classGen, methodGen); // Add a new local variable and store value boolean createLocal = _local == null; if (createLocal) { mapRegister(methodGen); } InstructionHandle storeInst = il.append(_type.STORE(_local.getIndex())); // If the local is just being created, mark the store as the start // of its live range. Note that it might have been created by // initializeVariables already, which would have set the start of // the live range already. if (createLocal) { _local.setStart(storeInst); } } else { String signature = _type.toSignature(); // Global variables are store in class fields if (classGen.containsField(name) == null) { classGen.addField(new Field(ACC_PUBLIC, cpg.addUtf8(name), cpg.addUtf8(signature), null, cpg.getConstantPool())); // Push a reference to "this" for putfield il.append(classGen.loadTranslet()); // Compile variable value computation translateValue(classGen, methodGen); // Store the variable in the allocated field il.append(new PUTFIELD(cpg.addFieldref(classGen.getClassName(), name, signature))); } } }
Example #29
Source File: StepPattern.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 4 votes |
private void translateGeneralContext(ClassGenerator classGen, MethodGenerator methodGen) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = methodGen.getInstructionList(); int iteratorIndex = 0; BranchHandle ifBlock = null; LocalVariableGen iter, node, node2; final String iteratorName = getNextFieldName(); // Store node on the stack into a local variable node = methodGen.addLocalVariable("step_pattern_tmp1", Util.getJCRefType(NODE_SIG), null, null); node.setStart(il.append(new ISTORE(node.getIndex()))); // Create a new local to store the iterator iter = methodGen.addLocalVariable("step_pattern_tmp2", Util.getJCRefType(NODE_ITERATOR_SIG), null, null); // Add a new private field if this is the main class if (!classGen.isExternal()) { final Field iterator = new Field(ACC_PRIVATE, cpg.addUtf8(iteratorName), cpg.addUtf8(NODE_ITERATOR_SIG), null, cpg.getConstantPool()); classGen.addField(iterator); iteratorIndex = cpg.addFieldref(classGen.getClassName(), iteratorName, NODE_ITERATOR_SIG); il.append(classGen.loadTranslet()); il.append(new GETFIELD(iteratorIndex)); il.append(DUP); iter.setStart(il.append(new ASTORE(iter.getIndex()))); ifBlock = il.append(new IFNONNULL(null)); il.append(classGen.loadTranslet()); } // Compile the step created at type checking time _step.translate(classGen, methodGen); InstructionHandle iterStore = il.append(new ASTORE(iter.getIndex())); // If in the main class update the field too if (!classGen.isExternal()) { il.append(new ALOAD(iter.getIndex())); il.append(new PUTFIELD(iteratorIndex)); ifBlock.setTarget(il.append(NOP)); } else { // If class is not external, start of range for iter variable was // set above iter.setStart(iterStore); } // Get the parent of the node on the stack il.append(methodGen.loadDOM()); il.append(new ILOAD(node.getIndex())); int index = cpg.addInterfaceMethodref(DOM_INTF, GET_PARENT, GET_PARENT_SIG); il.append(new INVOKEINTERFACE(index, 2)); // Initialize the iterator with the parent il.append(new ALOAD(iter.getIndex())); il.append(SWAP); il.append(methodGen.setStartNode()); /* * Inline loop: * * int node2; * while ((node2 = iter.next()) != NodeIterator.END * && node2 < node); * return node2 == node; */ BranchHandle skipNext; InstructionHandle begin, next; node2 = methodGen.addLocalVariable("step_pattern_tmp3", Util.getJCRefType(NODE_SIG), null, null); skipNext = il.append(new GOTO(null)); next = il.append(new ALOAD(iter.getIndex())); node2.setStart(next); begin = il.append(methodGen.nextNode()); il.append(DUP); il.append(new ISTORE(node2.getIndex())); _falseList.add(il.append(new IFLT(null))); // NodeIterator.END il.append(new ILOAD(node2.getIndex())); il.append(new ILOAD(node.getIndex())); iter.setEnd(il.append(new IF_ICMPLT(next))); node2.setEnd(il.append(new ILOAD(node2.getIndex()))); node.setEnd(il.append(new ILOAD(node.getIndex()))); _falseList.add(il.append(new IF_ICMPNE(null))); skipNext.setTarget(begin); }
Example #30
Source File: Param.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 4 votes |
public void translate(ClassGenerator classGen, MethodGenerator methodGen) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = methodGen.getInstructionList(); if (_ignore) return; _ignore = true; /* * To fix bug 24518 related to setting parameters of the form * {namespaceuri}localName which will get mapped to an instance * variable in the class. */ final String name = BasisLibrary.mapQNameToJavaName(_name.toString()); final String signature = _type.toSignature(); final String className = _type.getClassName(); if (isLocal()) { /* * If simple named template then generate a conditional init of the * param using its default value: * if (param == null) param = <default-value> */ if (_isInSimpleNamedTemplate) { il.append(loadInstruction()); BranchHandle ifBlock = il.append(new IFNONNULL(null)); translateValue(classGen, methodGen); il.append(storeInstruction()); ifBlock.setTarget(il.append(NOP)); return; } il.append(classGen.loadTranslet()); il.append(new PUSH(cpg, name)); translateValue(classGen, methodGen); il.append(new PUSH(cpg, true)); // Call addParameter() from this class il.append(new INVOKEVIRTUAL(cpg.addMethodref(TRANSLET_CLASS, ADD_PARAMETER, ADD_PARAMETER_SIG))); if (className != EMPTYSTRING) { il.append(new CHECKCAST(cpg.addClass(className))); } _type.translateUnBox(classGen, methodGen); if (_refs.isEmpty()) { // nobody uses the value il.append(_type.POP()); _local = null; } else { // normal case _local = methodGen.addLocalVariable2(name, _type.toJCType(), il.getEnd()); // Cache the result of addParameter() in a local variable il.append(_type.STORE(_local.getIndex())); } } else { if (classGen.containsField(name) == null) { classGen.addField(new Field(ACC_PUBLIC, cpg.addUtf8(name), cpg.addUtf8(signature), null, cpg.getConstantPool())); il.append(classGen.loadTranslet()); il.append(DUP); il.append(new PUSH(cpg, name)); translateValue(classGen, methodGen); il.append(new PUSH(cpg, true)); // Call addParameter() from this class il.append(new INVOKEVIRTUAL(cpg.addMethodref(TRANSLET_CLASS, ADD_PARAMETER, ADD_PARAMETER_SIG))); _type.translateUnBox(classGen, methodGen); // Cache the result of addParameter() in a field if (className != EMPTYSTRING) { il.append(new CHECKCAST(cpg.addClass(className))); } il.append(new PUTFIELD(cpg.addFieldref(classGen.getClassName(), name, signature))); } } }