25
26 package jdk.nashorn.internal.tools.nasgen;
27
28 import static jdk.internal.org.objectweb.asm.Opcodes.ACC_FINAL;
29 import static jdk.internal.org.objectweb.asm.Opcodes.ACC_PUBLIC;
30 import static jdk.internal.org.objectweb.asm.Opcodes.H_INVOKESTATIC;
31 import static jdk.internal.org.objectweb.asm.Opcodes.V1_7;
32 import static jdk.nashorn.internal.tools.nasgen.StringConstants.CONSTRUCTOR_SUFFIX;
33 import static jdk.nashorn.internal.tools.nasgen.StringConstants.DEFAULT_INIT_DESC;
34 import static jdk.nashorn.internal.tools.nasgen.StringConstants.INIT;
35 import static jdk.nashorn.internal.tools.nasgen.StringConstants.OBJECT_DESC;
36 import static jdk.nashorn.internal.tools.nasgen.StringConstants.PROPERTYMAP_DESC;
37 import static jdk.nashorn.internal.tools.nasgen.StringConstants.PROPERTYMAP_FIELD_NAME;
38 import static jdk.nashorn.internal.tools.nasgen.StringConstants.PROTOTYPEOBJECT_SETCONSTRUCTOR;
39 import static jdk.nashorn.internal.tools.nasgen.StringConstants.PROTOTYPEOBJECT_SETCONSTRUCTOR_DESC;
40 import static jdk.nashorn.internal.tools.nasgen.StringConstants.PROTOTYPEOBJECT_TYPE;
41 import static jdk.nashorn.internal.tools.nasgen.StringConstants.SCRIPTFUNCTION_INIT_DESC3;
42 import static jdk.nashorn.internal.tools.nasgen.StringConstants.SCRIPTFUNCTION_INIT_DESC4;
43 import static jdk.nashorn.internal.tools.nasgen.StringConstants.SCRIPTFUNCTION_SETARITY;
44 import static jdk.nashorn.internal.tools.nasgen.StringConstants.SCRIPTFUNCTION_SETARITY_DESC;
45 import static jdk.nashorn.internal.tools.nasgen.StringConstants.SCRIPTFUNCTION_SETPROTOTYPE;
46 import static jdk.nashorn.internal.tools.nasgen.StringConstants.SCRIPTFUNCTION_SETPROTOTYPE_DESC;
47 import static jdk.nashorn.internal.tools.nasgen.StringConstants.SCRIPTFUNCTION_TYPE;
48 import static jdk.nashorn.internal.tools.nasgen.StringConstants.SCRIPTOBJECT_INIT_DESC;
49 import static jdk.nashorn.internal.tools.nasgen.StringConstants.SCRIPTOBJECT_TYPE;
50
51 import java.io.FileOutputStream;
52 import java.io.IOException;
53 import java.util.List;
54 import jdk.internal.org.objectweb.asm.Handle;
55
56 /**
57 * This class generates constructor class for a @ScriptClass annotated class.
58 *
59 */
60 public class ConstructorGenerator extends ClassGenerator {
61 private final ScriptClassInfo scriptClassInfo;
62 private final String className;
63 private final MemberInfo constructor;
64 private final int memberCount;
141 private void emitConstructor() {
142 final MethodGenerator mi = makeConstructor();
143 mi.visitCode();
144 callSuper(mi);
145
146 if (memberCount > 0) {
147 // initialize Function type fields
148 initFunctionFields(mi);
149 // initialize data fields
150 initDataFields(mi);
151 }
152
153 if (constructor != null) {
154 initPrototype(mi);
155 final int arity = constructor.getArity();
156 if (arity != MemberInfo.DEFAULT_ARITY) {
157 mi.loadThis();
158 mi.push(arity);
159 mi.invokeVirtual(SCRIPTFUNCTION_TYPE, SCRIPTFUNCTION_SETARITY,
160 SCRIPTFUNCTION_SETARITY_DESC);
161 }
162 }
163 mi.returnVoid();
164 mi.computeMaxs();
165 mi.visitEnd();
166 }
167
168 private void loadMap(final MethodGenerator mi) {
169 if (memberCount > 0) {
170 mi.getStatic(className, PROPERTYMAP_FIELD_NAME, PROPERTYMAP_DESC);
171 }
172 }
173
174 private void callSuper(final MethodGenerator mi) {
175 String superClass, superDesc;
176 mi.loadThis();
177 if (constructor == null) {
178 // call ScriptObject.<init>
179 superClass = SCRIPTOBJECT_TYPE;
180 superDesc = (memberCount > 0) ? SCRIPTOBJECT_INIT_DESC : DEFAULT_INIT_DESC;
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25
26 package jdk.nashorn.internal.tools.nasgen;
27
28 import static jdk.internal.org.objectweb.asm.Opcodes.ACC_FINAL;
29 import static jdk.internal.org.objectweb.asm.Opcodes.ACC_PUBLIC;
30 import static jdk.internal.org.objectweb.asm.Opcodes.H_INVOKESTATIC;
31 import static jdk.internal.org.objectweb.asm.Opcodes.V1_7;
32 import static jdk.nashorn.internal.tools.nasgen.StringConstants.CONSTRUCTOR_SUFFIX;
33 import static jdk.nashorn.internal.tools.nasgen.StringConstants.DEFAULT_INIT_DESC;
34 import static jdk.nashorn.internal.tools.nasgen.StringConstants.INIT;
35 import static jdk.nashorn.internal.tools.nasgen.StringConstants.OBJECT_DESC;
36 import static jdk.nashorn.internal.tools.nasgen.StringConstants.PROPERTYMAP_DESC;
37 import static jdk.nashorn.internal.tools.nasgen.StringConstants.PROPERTYMAP_FIELD_NAME;
38 import static jdk.nashorn.internal.tools.nasgen.StringConstants.PROTOTYPEOBJECT_SETCONSTRUCTOR;
39 import static jdk.nashorn.internal.tools.nasgen.StringConstants.PROTOTYPEOBJECT_SETCONSTRUCTOR_DESC;
40 import static jdk.nashorn.internal.tools.nasgen.StringConstants.PROTOTYPEOBJECT_TYPE;
41 import static jdk.nashorn.internal.tools.nasgen.StringConstants.SCRIPTFUNCTION_INIT_DESC3;
42 import static jdk.nashorn.internal.tools.nasgen.StringConstants.SCRIPTFUNCTION_INIT_DESC4;
43 import static jdk.nashorn.internal.tools.nasgen.StringConstants.SCRIPTFUNCTION_SETARITY;
44 import static jdk.nashorn.internal.tools.nasgen.StringConstants.SCRIPTFUNCTION_SETARITY_DESC;
45 import static jdk.nashorn.internal.tools.nasgen.StringConstants.SCRIPTFUNCTION_SETDOCUMENTATION;
46 import static jdk.nashorn.internal.tools.nasgen.StringConstants.SCRIPTFUNCTION_SETDOCUMENTATION_DESC;
47 import static jdk.nashorn.internal.tools.nasgen.StringConstants.SCRIPTFUNCTION_SETPROTOTYPE;
48 import static jdk.nashorn.internal.tools.nasgen.StringConstants.SCRIPTFUNCTION_SETPROTOTYPE_DESC;
49 import static jdk.nashorn.internal.tools.nasgen.StringConstants.SCRIPTFUNCTION_TYPE;
50 import static jdk.nashorn.internal.tools.nasgen.StringConstants.SCRIPTOBJECT_INIT_DESC;
51 import static jdk.nashorn.internal.tools.nasgen.StringConstants.SCRIPTOBJECT_TYPE;
52
53 import java.io.FileOutputStream;
54 import java.io.IOException;
55 import java.util.List;
56 import jdk.internal.org.objectweb.asm.Handle;
57
58 /**
59 * This class generates constructor class for a @ScriptClass annotated class.
60 *
61 */
62 public class ConstructorGenerator extends ClassGenerator {
63 private final ScriptClassInfo scriptClassInfo;
64 private final String className;
65 private final MemberInfo constructor;
66 private final int memberCount;
143 private void emitConstructor() {
144 final MethodGenerator mi = makeConstructor();
145 mi.visitCode();
146 callSuper(mi);
147
148 if (memberCount > 0) {
149 // initialize Function type fields
150 initFunctionFields(mi);
151 // initialize data fields
152 initDataFields(mi);
153 }
154
155 if (constructor != null) {
156 initPrototype(mi);
157 final int arity = constructor.getArity();
158 if (arity != MemberInfo.DEFAULT_ARITY) {
159 mi.loadThis();
160 mi.push(arity);
161 mi.invokeVirtual(SCRIPTFUNCTION_TYPE, SCRIPTFUNCTION_SETARITY,
162 SCRIPTFUNCTION_SETARITY_DESC);
163 }
164 final String doc = constructor.getDocumentation();
165 if (doc != null) {
166 mi.loadThis();
167 mi.loadLiteral(doc);
168 mi.invokeVirtual(SCRIPTFUNCTION_TYPE, SCRIPTFUNCTION_SETDOCUMENTATION,
169 SCRIPTFUNCTION_SETDOCUMENTATION_DESC);
170 }
171 }
172 mi.returnVoid();
173 mi.computeMaxs();
174 mi.visitEnd();
175 }
176
177 private void loadMap(final MethodGenerator mi) {
178 if (memberCount > 0) {
179 mi.getStatic(className, PROPERTYMAP_FIELD_NAME, PROPERTYMAP_DESC);
180 }
181 }
182
183 private void callSuper(final MethodGenerator mi) {
184 String superClass, superDesc;
185 mi.loadThis();
186 if (constructor == null) {
187 // call ScriptObject.<init>
188 superClass = SCRIPTOBJECT_TYPE;
189 superDesc = (memberCount > 0) ? SCRIPTOBJECT_INIT_DESC : DEFAULT_INIT_DESC;
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