Java Code Examples for com.sun.org.apache.bcel.internal.generic.ConstantPoolGen#addUtf8()
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com.sun.org.apache.bcel.internal.generic.ConstantPoolGen#addUtf8() .
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Example 1
Source File: Number.java From openjdk-jdk8u-backup 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 2
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 3
Source File: Number.java From openjdk-8-source 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 4
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 5
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 6
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 7
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 8
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 9
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 10
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 11
Source File: Number.java From jdk1.8-source-analysis 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 12
Source File: StepPattern.java From openjdk-jdk8u 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 13
Source File: Number.java From openjdk-jdk8u 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 14
Source File: StepPattern.java From JDKSourceCode1.8 with MIT License | 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 15
Source File: Number.java From JDKSourceCode1.8 with MIT License | 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: StepPattern.java From jdk8u60 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 17
Source File: Number.java From jdk8u60 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 18
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 19
Source File: Number.java From TencentKona-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 20
Source File: StepPattern.java From jdk1.8-source-analysis 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); }