List of usage examples for org.objectweb.asm.commons GeneratorAdapter iinc
public void iinc(final int local, final int amount)
From source file:co.cask.cdap.internal.io.DatumWriterGenerator.java
License:Apache License
/** * Generates method body for encoding array value. The logic is similar to the one in * {@link #encodeCollection}, with collection size replaced with array length. * * @param mg/*from w w w .ja v a 2s . c o m*/ * @param componentType * @param componentSchema * @param value * @param encoder * @param schemaLocal * @param seenRefs */ private void encodeArray(GeneratorAdapter mg, TypeToken<?> componentType, Schema componentSchema, int value, int encoder, int schemaLocal, int seenRefs) { // Encode and store the array length locally mg.loadArg(value); mg.arrayLength(); int length = mg.newLocal(Type.INT_TYPE); mg.storeLocal(length); mg.loadArg(encoder); mg.loadLocal(length); mg.invokeInterface(Type.getType(Encoder.class), getMethod(Encoder.class, "writeInt", int.class)); mg.pop(); // Store the component schema mg.loadArg(schemaLocal); mg.invokeVirtual(Type.getType(Schema.class), getMethod(Schema.class, "getComponentSchema")); int componentSchemaLocal = mg.newLocal(Type.getType(Schema.class)); mg.storeLocal(componentSchemaLocal); // for (int idx = 0; idx < array.length; idx++) mg.push(0); int idx = mg.newLocal(Type.INT_TYPE); mg.storeLocal(idx); Label beginFor = mg.mark(); Label endFor = mg.newLabel(); mg.loadLocal(idx); mg.loadLocal(length); mg.ifICmp(GeneratorAdapter.GE, endFor); // Call encode method to encode array[idx] mg.loadThis(); mg.loadArg(value); mg.loadLocal(idx); TypeToken<?> callTypeToken = getCallTypeToken(componentType, componentSchema); mg.arrayLoad(Type.getType(callTypeToken.getRawType())); mg.loadArg(encoder); mg.loadLocal(componentSchemaLocal); mg.loadArg(seenRefs); mg.invokeVirtual(classType, getEncodeMethod(componentType, componentSchema)); mg.iinc(idx, 1); mg.goTo(beginFor); mg.mark(endFor); // if length > 0, write out 0 at the end of array. Label zeroLength = mg.newLabel(); mg.loadLocal(length); mg.ifZCmp(GeneratorAdapter.LE, zeroLength); encodeInt(mg, 0, encoder); mg.mark(zeroLength); }
From source file:com.changingbits.Builder.java
License:Apache License
private void buildAsm(GeneratorAdapter gen, Node node, int uptoLocal) { if (node.outputs != null) { //System.out.println("gen outputs=" + node.outputs); // Increment any range outputs at the current node: for (int range : node.outputs) { // Load arg 1 (the int[] answers): gen.loadArg(1);// www . j a v a 2s. c o m // Load the index we will store to gen.loadLocal(uptoLocal, Type.INT_TYPE); // The range value we will store: gen.push(range); // Store it gen.arrayStore(Type.INT_TYPE); // Increment our upto: gen.iinc(uptoLocal, 1); } } if (node.left != null && (node.left.hasOutputs || node.right.hasOutputs)) { assert node.left.end + 1 == node.right.start; if (node.left.hasOutputs && node.right.hasOutputs) { // Recurse on either left or right Label labelLeft = new Label(); Label labelEnd = new Label(); gen.loadArg(0); gen.push(node.left.end); gen.ifCmp(Type.LONG_TYPE, GeneratorAdapter.LE, labelLeft); buildAsm(gen, node.right, uptoLocal); gen.goTo(labelEnd); gen.visitLabel(labelLeft); buildAsm(gen, node.left, uptoLocal); gen.visitLabel(labelEnd); } else if (node.left.hasOutputs) { // Recurse only on left Label labelEnd = new Label(); gen.loadArg(0); gen.push(node.left.end); gen.ifCmp(Type.LONG_TYPE, GeneratorAdapter.GT, labelEnd); buildAsm(gen, node.left, uptoLocal); gen.visitLabel(labelEnd); } else { // Recurse only on right Label labelEnd = new Label(); gen.loadArg(0); gen.push(node.left.end); gen.ifCmp(Type.LONG_TYPE, GeneratorAdapter.LE, labelEnd); buildAsm(gen, node.right, uptoLocal); gen.visitLabel(labelEnd); } } }
From source file:de.enough.polish.postcompile.java5.Java5ClassVisitor.java
License:Open Source License
public void visitEnd() { if (this.isEnumClass) { if (this.name_values == null) { throw new BuildException("This is not an enum class: " + this.classDesc); }/*w ww. ja v a2 s . co m*/ // Generate new <clinit> method. int numValues = EnumManager.getInstance().getNumEnumValues(this.classDesc); Method m = Method.getMethod("void <clinit> ()"); MethodVisitor mv = super.visitMethod(ACC_STATIC, "<clinit>", "()V", null, null); GeneratorAdapter mg = new GeneratorAdapter(ACC_STATIC, m, mv); mg.push(numValues); mg.newArray(Type.INT_TYPE); if (numValues <= 3) { for (int i = 1; i < numValues; i++) { mg.dup(); mg.push(i); mg.push(i); mg.arrayStore(Type.INT_TYPE); } } else { Label labelInitializeField = new Label(); Label labelCheck = new Label(); Label labelDone = new Label(); mg.push(1); mg.storeLocal(0, Type.INT_TYPE); mg.goTo(labelCheck); mg.mark(labelInitializeField); mg.dup(); mg.loadLocal(0, Type.INT_TYPE); mg.dup(); mg.arrayStore(Type.INT_TYPE); mg.iinc(0, 1); mg.mark(labelCheck); mg.loadLocal(0, Type.INT_TYPE); mg.push(numValues); mg.ifICmp(GeneratorAdapter.LT, labelInitializeField); mg.mark(labelDone); } mg.putStatic(Type.getType(this.classDesc), this.name_values, Type.getType(int[].class)); mg.returnValue(); mg.endMethod(); } // Called super implementation of this method to really close this class. super.visitEnd(); }
From source file:lucee.transformer.bytecode.statement.tag.TagLoop.java
License:Open Source License
/** * write out file loop// w w w . j a v a 2 s . c om * @param adapter * @throws TemplateException */ private void writeOutTypeFile(BytecodeContext bc) throws BytecodeException { WhileVisitor whileVisitor = new WhileVisitor(); loopVisitor = whileVisitor; GeneratorAdapter adapter = bc.getAdapter(); // charset=@charset int charset = adapter.newLocal(Types.STRING); Attribute attrCharset = getAttribute("charset"); if (attrCharset == null) adapter.visitInsn(Opcodes.ACONST_NULL); else attrCharset.getValue().writeOut(bc, Expression.MODE_REF); adapter.storeLocal(charset); // startline=@startline int startline = adapter.newLocal(Types.INT_VALUE); Attribute attrStartLine = getAttribute("startline"); if (attrStartLine == null) attrStartLine = getAttribute("from"); // CF8 if (attrStartLine == null) adapter.push(1); else { attrStartLine.getValue().writeOut(bc, Expression.MODE_VALUE); adapter.visitInsn(Opcodes.D2I); } adapter.storeLocal(startline); // endline=@endline int endline = adapter.newLocal(Types.INT_VALUE); Attribute attrEndLine = getAttribute("endline"); if (attrEndLine == null) attrEndLine = getAttribute("to"); if (attrEndLine == null) adapter.push(-1); else { attrEndLine.getValue().writeOut(bc, Expression.MODE_VALUE); adapter.visitInsn(Opcodes.D2I); } adapter.storeLocal(endline); //VariableReference index=VariableInterpreter.getVariableReference(pc,@index); int index = -1, item = -1; // item Attribute attrItem = getAttribute("item"); if (attrItem != null) { item = adapter.newLocal(Types.VARIABLE_REFERENCE); adapter.loadArg(0); attrItem.getValue().writeOut(bc, Expression.MODE_REF); adapter.invokeStatic(Types.VARIABLE_INTERPRETER, GET_VARIABLE_REFERENCE); adapter.storeLocal(item); } // index Attribute attrIndex = getAttribute("index"); if (attrIndex != null) { index = adapter.newLocal(Types.VARIABLE_REFERENCE); adapter.loadArg(0); attrIndex.getValue().writeOut(bc, Expression.MODE_REF); adapter.invokeStatic(Types.VARIABLE_INTERPRETER, GET_VARIABLE_REFERENCE); adapter.storeLocal(index); } //java.io.File file=FileUtil.toResourceExisting(pc,@file); int resource = adapter.newLocal(Types.RESOURCE); adapter.loadArg(0); getAttribute("file").getValue().writeOut(bc, Expression.MODE_REF); adapter.invokeStatic(RESOURCE_UTIL, TO_RESOURCE_EXISTING); adapter.storeLocal(resource); // pc.getConfig().getSecurityManager().checkFileLocation(resource); adapter.loadArg(0); adapter.invokeVirtual(Types.PAGE_CONTEXT, GET_CONFIG); adapter.invokeInterface(Types.CONFIG_WEB, GET_SECURITY_MANAGER); adapter.loadLocal(resource); adapter.invokeInterface(Types.SECURITY_MANAGER, CHECK_FILE_LOCATION); // char[] carr=new char[characters]; Attribute attr = getAttribute("characters"); int carr = -1; if (attr != null) { carr = adapter.newLocal(Types.CHAR_ARRAY); attr.getValue().writeOut(bc, Expression.MODE_VALUE); adapter.cast(Types.DOUBLE_VALUE, Types.INT_VALUE); adapter.newArray(Types.CHAR); adapter.storeLocal(carr); } // BufferedReader reader = IOUtil.getBufferedReader(resource,charset); final int br = adapter.newLocal(Types.BUFFERED_READER); adapter.loadLocal(resource); adapter.loadLocal(charset); adapter.invokeStatic(IO_UTIL, GET_BUFFERED_READER); adapter.storeLocal(br); // String line; int line = adapter.newLocal(Types.STRING); // int count=0; int count = adapter.newLocal(Types.INT_VALUE); adapter.push(0); adapter.storeLocal(count); TryFinallyVisitor tfv = new TryFinallyVisitor(new OnFinally() { public void _writeOut(BytecodeContext bc) { bc.getAdapter().loadLocal(br); bc.getAdapter().invokeStatic(IO_UTIL, CLOSE_EL); } }, null); //TryFinallyVisitor tcfv=new TryFinallyVisitor(); // try tfv.visitTryBegin(bc); //tcfv.visitTryBegin(bc); // while((line=br.readLine())!=null) { //WhileVisitor wv=new WhileVisitor(); whileVisitor.visitBeforeExpression(bc); DecisionObjectVisitor dv = new DecisionObjectVisitor(); dv.visitBegin(); if (attr != null) { // IOUtil.read(bufferedreader,12) adapter.loadLocal(br); adapter.loadLocal(carr); adapter.arrayLength(); adapter.invokeStatic(Types.IOUTIL, READ); } else { // br.readLine() adapter.loadLocal(br); adapter.invokeVirtual(Types.BUFFERED_READER, READ_LINE); } adapter.dup(); adapter.storeLocal(line); dv.visitNEQ(); adapter.visitInsn(Opcodes.ACONST_NULL); dv.visitEnd(bc); whileVisitor.visitAfterExpressionBeforeBody(bc); //if(++count < startLine) continue; DecisionIntVisitor dv2 = new DecisionIntVisitor(); dv2.visitBegin(); adapter.iinc(count, 1); adapter.loadLocal(count); dv2.visitLT(); adapter.loadLocal(startline); dv2.visitEnd(bc); Label end = new Label(); adapter.ifZCmp(Opcodes.IFEQ, end); whileVisitor.visitContinue(bc); adapter.visitLabel(end); // if(endLine!=-1 && count > endLine) break; DecisionIntVisitor div = new DecisionIntVisitor(); div.visitBegin(); adapter.loadLocal(endline); div.visitNEQ(); adapter.push(-1); div.visitEnd(bc); Label end2 = new Label(); adapter.ifZCmp(Opcodes.IFEQ, end2); DecisionIntVisitor div2 = new DecisionIntVisitor(); div2.visitBegin(); adapter.loadLocal(count); div2.visitGT(); adapter.loadLocal(endline); div2.visitEnd(bc); Label end3 = new Label(); adapter.ifZCmp(Opcodes.IFEQ, end3); whileVisitor.visitBreak(bc); adapter.visitLabel(end3); adapter.visitLabel(end2); // index and item if (index != -1 && item != -1) { // index.set(pc,line); adapter.loadLocal(index); adapter.loadArg(0); adapter.loadLocal(count); adapter.cast(Types.INT_VALUE, Types.DOUBLE_VALUE); adapter.invokeStatic(Types.CASTER, Methods.METHOD_TO_DOUBLE_FROM_DOUBLE); adapter.invokeVirtual(Types.VARIABLE_REFERENCE, SET); adapter.pop(); // item.set(pc,line); adapter.loadLocal(item); adapter.loadArg(0); adapter.loadLocal(line); adapter.invokeVirtual(Types.VARIABLE_REFERENCE, SET); adapter.pop(); } // only index else if (index != -1) { // index.set(pc,line); adapter.loadLocal(index); adapter.loadArg(0); adapter.loadLocal(line); adapter.invokeVirtual(Types.VARIABLE_REFERENCE, SET); adapter.pop(); } // only item else { // item.set(pc,line); adapter.loadLocal(item); adapter.loadArg(0); adapter.loadLocal(line); adapter.invokeVirtual(Types.VARIABLE_REFERENCE, SET); adapter.pop(); } getBody().writeOut(bc); whileVisitor.visitAfterBody(bc, getEnd()); tfv.visitTryEnd(bc); }
From source file:org.formulacompiler.compiler.internal.bytecode.SubSectionLazyGetterCompiler.java
License:Open Source License
private int compileInitFromArray(final SubSectionCompiler sub, final GeneratorAdapter mv, final int l_ds) { // final int dl = ds.length; final int l_dl = mv.newLocal(Type.INT_TYPE); mv.loadLocal(l_ds);//from www .j a v a2 s.c om mv.arrayLength(); mv.storeLocal(l_dl); // DetailImpl[] di = new DetailPrototype[ dl ]; final int l_di = mv.newLocal(sub.arrayType()); mv.loadLocal(l_dl); mv.newArray(sub.classType()); mv.storeLocal(l_di); // for (int i = 0; i < dl; i++) { final int l_i = mv.newLocal(Type.INT_TYPE); final Label next = mv.newLabel(); mv.push(0); mv.storeLocal(l_i); mv.goTo(next); final Label again = mv.mark(); // ~ di[ i ] = new DetailPrototype( ds[ i ], this ); mv.loadLocal(l_di); mv.loadLocal(l_i); mv.newInstance(sub.classType()); mv.dup(); mv.loadLocal(l_ds); mv.loadLocal(l_i); mv.arrayLoad(sub.inputType()); final IndexCompiler ic = sub.isComputationListenerEnabled() ? new IndexCompiler(l_i) : null; compileInit(mv, sub, ic); mv.arrayStore(sub.classType()); // } mv.iinc(l_i, 1); mv.mark(next); mv.loadLocal(l_i); mv.loadLocal(l_dl); mv.ifCmp(Type.INT_TYPE, mv.LT, again); return l_di; }
From source file:org.formulacompiler.compiler.internal.bytecode.SubSectionLazyGetterCompiler.java
License:Open Source License
private int compileInitFromCollection(final SubSectionCompiler sub, final GeneratorAdapter mv, final int l_dc) { final String n_iter = ITERATOR_INTF.getInternalName(); final String n_coll = COLLECTION_INTF.getInternalName(); // final int dl = dc.size(); final int l_dl = mv.newLocal(Type.INT_TYPE); mv.loadLocal(l_dc);/*from w ww . ja va 2 s . c o m*/ mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, n_coll, "size", "()I"); mv.storeLocal(l_dl); // final Iterator<DetailInput> ds = dc.iterator(); final int l_ds = mv.newLocal(ITERATOR_INTF); mv.loadLocal(l_dc); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, n_coll, "iterator", "()" + ITERATOR_INTF.getDescriptor()); mv.storeLocal(l_ds); // DetailImpl[] di = new DetailPrototype[ dl ]; final int l_di = mv.newLocal(sub.arrayType()); mv.loadLocal(l_dl); mv.newArray(sub.classType()); mv.storeLocal(l_di); // for (int i = 0; i < dl; i++) { final int l_i = mv.newLocal(Type.INT_TYPE); final Label next = mv.newLabel(); mv.push(0); mv.storeLocal(l_i); mv.goTo(next); final Label again = mv.mark(); // ~ di[ i ] = new DetailPrototype( ds.next(), this ); mv.loadLocal(l_di); mv.loadLocal(l_i); mv.newInstance(sub.classType()); mv.dup(); mv.loadLocal(l_ds); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, n_iter, "next", "()Ljava/lang/Object;"); mv.checkCast(sub.inputType()); final IndexCompiler ic = sub.isComputationListenerEnabled() ? new IndexCompiler(l_i) : null; compileInit(mv, sub, ic); mv.arrayStore(sub.classType()); // } mv.iinc(l_i, 1); mv.mark(next); mv.loadLocal(l_i); mv.loadLocal(l_dl); mv.ifCmp(Type.INT_TYPE, mv.LT, again); return l_di; }
From source file:org.formulacompiler.compiler.internal.bytecode.SubSectionOutputAccessorCompiler.java
License:Open Source License
@SuppressWarnings("unchecked") @Override//from w ww . j ava 2 s . c o m protected void compileBody() throws CompilerException { final SubSectionCompiler sub = this.sub; final GeneratorAdapter mv = mv(); final CallFrame outputCall = this.callToImplement; final Class outputContainerClass = outputCall.getMethod().getReturnType(); // get$Sect0() mv.loadThis(); mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, section().classInternalName(), sub.getterName(), sub.getterDescriptor()); if (outputContainerClass.isArray()) { mv.visitInsn(Opcodes.ARETURN); } else { // Detail[] arr = get$Sect0(); final int l_arr = mv.newLocal(sub.arrayType()); mv.storeLocal(l_arr); final int l_len = mv.newLocal(Type.INT_TYPE); mv.loadLocal(l_arr); mv.arrayLength(); mv.storeLocal(l_len); // List lst = new ArrayList( arr.length ); final int l_lst = mv.newLocal(ARRAYLIST_CLASS); mv.newInstance(ARRAYLIST_CLASS); mv.dup(); mv.loadLocal(l_len); mv.visitMethodInsn(Opcodes.INVOKESPECIAL, ARRAYLIST_CLASS.getInternalName(), "<init>", "(I)V"); mv.storeLocal(l_lst); // for (int i = 0; i < len; i++) { final int l_i = mv.newLocal(Type.INT_TYPE); mv.push(0); mv.storeLocal(l_i); final Label test = mv.newLabel(); mv.goTo(test); final Label again = mv.mark(); // lst.add( arr[ i ] ); mv.loadLocal(l_lst); mv.loadLocal(l_arr); mv.loadLocal(l_i); mv.arrayLoad(sub.classType()); mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, ARRAYLIST_CLASS.getInternalName(), "add", "(Ljava/lang/Object;)Z"); mv.pop(); // } // for mv.iinc(l_i, 1); mv.mark(test); mv.loadLocal(l_i); mv.loadLocal(l_len); mv.ifCmp(Type.INT_TYPE, mv.LT, again); mv.loadLocal(l_lst); if (outputContainerClass.isAssignableFrom(List.class)) { // return lst; mv.visitInsn(Opcodes.ARETURN); } else if (outputContainerClass.isAssignableFrom(Iterator.class)) { // return lst.iterator(); mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, ARRAYLIST_CLASS.getInternalName(), "iterator", "()" + ITERATOR_INTF.getDescriptor()); mv.visitInsn(Opcodes.ARETURN); } else { throw new CompilerException.UnsupportedDataType("The return type of '" + outputCall.getMethod() + "' is not supported as input to a repeating section."); } } }