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Posted to dev@tapestry.apache.org by ka...@apache.org on 2014/03/20 20:23:24 UTC
[19/23] FIXED - TAP5-2214: Make tapestry5 java8 compatible - apply
source from AMS 5.0 final source release and change package name to
org.apache.tapestry5.internal.plastic.asm. Also made a single change to ASM
source, promoted visibility of AnnotationNo
http://git-wip-us.apache.org/repos/asf/tapestry-5/blob/1acd9d22/plastic/src/external/java/org/apache/tapestry5/internal/plastic/asm/MethodVisitor.java
----------------------------------------------------------------------
diff --git a/plastic/src/external/java/org/apache/tapestry5/internal/plastic/asm/MethodVisitor.java b/plastic/src/external/java/org/apache/tapestry5/internal/plastic/asm/MethodVisitor.java
index f0676b7..4585e67 100644
--- a/plastic/src/external/java/org/apache/tapestry5/internal/plastic/asm/MethodVisitor.java
+++ b/plastic/src/external/java/org/apache/tapestry5/internal/plastic/asm/MethodVisitor.java
@@ -30,27 +30,33 @@
package org.apache.tapestry5.internal.plastic.asm;
/**
- * A visitor to visit a Java method. The methods of this class must be
- * called in the following order: [ <tt>visitAnnotationDefault</tt> ] (
- * <tt>visitAnnotation</tt> | <tt>visitParameterAnnotation</tt> |
- * <tt>visitAttribute</tt> )* [ <tt>visitCode</tt> ( <tt>visitFrame</tt> |
- * <tt>visit</tt><i>X</i>Insn</tt> | <tt>visitLabel</tt> | <tt>visitTryCatchBlock</tt> |
- * <tt>visitLocalVariable</tt> | <tt>visitLineNumber</tt> )* <tt>visitMaxs</tt> ]
- * <tt>visitEnd</tt>. In addition, the <tt>visit</tt><i>X</i>Insn</tt>
- * and <tt>visitLabel</tt> methods must be called in the sequential order of
- * the bytecode instructions of the visited code, <tt>visitTryCatchBlock</tt>
- * must be called <i>before</i> the labels passed as arguments have been
- * visited, and the <tt>visitLocalVariable</tt> and <tt>visitLineNumber</tt>
- * methods must be called <i>after</i> the labels passed as arguments have been
- * visited.
- *
+ * A visitor to visit a Java method. The methods of this class must be called in
+ * the following order: ( <tt>visitParameter</tt> )* [
+ * <tt>visitAnnotationDefault</tt> ] ( <tt>visitAnnotation</tt> |
+ * <tt>visitTypeAnnotation</tt> | <tt>visitAttribute</tt> )* [
+ * <tt>visitCode</tt> ( <tt>visitFrame</tt> | <tt>visit<i>X</i>Insn</tt> |
+ * <tt>visitLabel</tt> | <tt>visitInsnAnnotation</tt> |
+ * <tt>visitTryCatchBlock</tt> | <tt>visitTryCatchBlockAnnotation</tt> |
+ * <tt>visitLocalVariable</tt> | <tt>visitLocalVariableAnnotation</tt> |
+ * <tt>visitLineNumber</tt> )* <tt>visitMaxs</tt> ] <tt>visitEnd</tt>. In
+ * addition, the <tt>visit<i>X</i>Insn</tt> and <tt>visitLabel</tt> methods must
+ * be called in the sequential order of the bytecode instructions of the visited
+ * code, <tt>visitInsnAnnotation</tt> must be called <i>after</i> the annotated
+ * instruction, <tt>visitTryCatchBlock</tt> must be called <i>before</i> the
+ * labels passed as arguments have been visited,
+ * <tt>visitTryCatchBlockAnnotation</tt> must be called <i>after</i> the
+ * corresponding try catch block has been visited, and the
+ * <tt>visitLocalVariable</tt>, <tt>visitLocalVariableAnnotation</tt> and
+ * <tt>visitLineNumber</tt> methods must be called <i>after</i> the labels
+ * passed as arguments have been visited.
+ *
* @author Eric Bruneton
*/
public abstract class MethodVisitor {
/**
* The ASM API version implemented by this visitor. The value of this field
- * must be one of {@link Opcodes#ASM4}.
+ * must be one of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
*/
protected final int api;
@@ -62,9 +68,10 @@ public abstract class MethodVisitor {
/**
* Constructs a new {@link MethodVisitor}.
- *
- * @param api the ASM API version implemented by this visitor. Must be one
- * of {@link Opcodes#ASM4}.
+ *
+ * @param api
+ * the ASM API version implemented by this visitor. Must be one
+ * of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
*/
public MethodVisitor(final int api) {
this(api, null);
@@ -72,30 +79,51 @@ public abstract class MethodVisitor {
/**
* Constructs a new {@link MethodVisitor}.
- *
- * @param api the ASM API version implemented by this visitor. Must be one
- * of {@link Opcodes#ASM4}.
- * @param mv the method visitor to which this visitor must delegate method
- * calls. May be null.
+ *
+ * @param api
+ * the ASM API version implemented by this visitor. Must be one
+ * of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
+ * @param mv
+ * the method visitor to which this visitor must delegate method
+ * calls. May be null.
*/
public MethodVisitor(final int api, final MethodVisitor mv) {
- /*if (api != Opcodes.ASM4) {
+ if (api != Opcodes.ASM4 && api != Opcodes.ASM5) {
throw new IllegalArgumentException();
- }*/
+ }
this.api = api;
this.mv = mv;
}
// -------------------------------------------------------------------------
- // Annotations and non standard attributes
+ // Parameters, annotations and non standard attributes
// -------------------------------------------------------------------------
/**
+ * Visits a parameter of this method.
+ *
+ * @param name
+ * parameter name or null if none is provided.
+ * @param access
+ * the parameter's access flags, only <tt>ACC_FINAL</tt>,
+ * <tt>ACC_SYNTHETIC</tt> or/and <tt>ACC_MANDATED</tt> are
+ * allowed (see {@link Opcodes}).
+ */
+ public void visitParameter(String name, int access) {
+ if (api < Opcodes.ASM5) {
+ throw new RuntimeException();
+ }
+ if (mv != null) {
+ mv.visitParameter(name, access);
+ }
+ }
+
+ /**
* Visits the default value of this annotation interface method.
- *
+ *
* @return a visitor to the visit the actual default value of this
- * annotation interface method, or <tt>null</tt> if this visitor
- * is not interested in visiting this default value. The 'name'
+ * annotation interface method, or <tt>null</tt> if this visitor is
+ * not interested in visiting this default value. The 'name'
* parameters passed to the methods of this annotation visitor are
* ignored. Moreover, exacly one visit method must be called on this
* annotation visitor, followed by visitEnd.
@@ -109,9 +137,11 @@ public abstract class MethodVisitor {
/**
* Visits an annotation of this method.
- *
- * @param desc the class descriptor of the annotation class.
- * @param visible <tt>true</tt> if the annotation is visible at runtime.
+ *
+ * @param desc
+ * the class descriptor of the annotation class.
+ * @param visible
+ * <tt>true</tt> if the annotation is visible at runtime.
* @return a visitor to visit the annotation values, or <tt>null</tt> if
* this visitor is not interested in visiting this annotation.
*/
@@ -123,19 +153,55 @@ public abstract class MethodVisitor {
}
/**
+ * Visits an annotation on a type in the method signature.
+ *
+ * @param typeRef
+ * a reference to the annotated type. The sort of this type
+ * reference must be {@link TypeReference#METHOD_TYPE_PARAMETER
+ * METHOD_TYPE_PARAMETER},
+ * {@link TypeReference#METHOD_TYPE_PARAMETER_BOUND
+ * METHOD_TYPE_PARAMETER_BOUND},
+ * {@link TypeReference#METHOD_RETURN METHOD_RETURN},
+ * {@link TypeReference#METHOD_RECEIVER METHOD_RECEIVER},
+ * {@link TypeReference#METHOD_FORMAL_PARAMETER
+ * METHOD_FORMAL_PARAMETER} or {@link TypeReference#THROWS
+ * THROWS}. See {@link TypeReference}.
+ * @param typePath
+ * the path to the annotated type argument, wildcard bound, array
+ * element type, or static inner type within 'typeRef'. May be
+ * <tt>null</tt> if the annotation targets 'typeRef' as a whole.
+ * @param desc
+ * the class descriptor of the annotation class.
+ * @param visible
+ * <tt>true</tt> if the annotation is visible at runtime.
+ * @return a visitor to visit the annotation values, or <tt>null</tt> if
+ * this visitor is not interested in visiting this annotation.
+ */
+ public AnnotationVisitor visitTypeAnnotation(int typeRef,
+ TypePath typePath, String desc, boolean visible) {
+ if (api < Opcodes.ASM5) {
+ throw new RuntimeException();
+ }
+ if (mv != null) {
+ return mv.visitTypeAnnotation(typeRef, typePath, desc, visible);
+ }
+ return null;
+ }
+
+ /**
* Visits an annotation of a parameter this method.
- *
- * @param parameter the parameter index.
- * @param desc the class descriptor of the annotation class.
- * @param visible <tt>true</tt> if the annotation is visible at runtime.
+ *
+ * @param parameter
+ * the parameter index.
+ * @param desc
+ * the class descriptor of the annotation class.
+ * @param visible
+ * <tt>true</tt> if the annotation is visible at runtime.
* @return a visitor to visit the annotation values, or <tt>null</tt> if
* this visitor is not interested in visiting this annotation.
*/
- public AnnotationVisitor visitParameterAnnotation(
- int parameter,
- String desc,
- boolean visible)
- {
+ public AnnotationVisitor visitParameterAnnotation(int parameter,
+ String desc, boolean visible) {
if (mv != null) {
return mv.visitParameterAnnotation(parameter, desc, visible);
}
@@ -144,8 +210,9 @@ public abstract class MethodVisitor {
/**
* Visits a non standard attribute of this method.
- *
- * @param attr an attribute.
+ *
+ * @param attr
+ * an attribute.
*/
public void visitAttribute(Attribute attr) {
if (mv != null) {
@@ -169,57 +236,76 @@ public abstract class MethodVisitor {
* such as GOTO or THROW, that is the target of a jump instruction, or that
* starts an exception handler block. The visited types must describe the
* values of the local variables and of the operand stack elements <i>just
- * before</i> <b>i</b> is executed. <br> <br> (*) this is mandatory only
- * for classes whose version is greater than or equal to
- * {@link Opcodes#V1_6 V1_6}. <br> <br> Packed frames are basically
- * "deltas" from the state of the previous frame (very first frame is
- * implicitly defined by the method's parameters and access flags): <ul>
+ * before</i> <b>i</b> is executed.<br>
+ * <br>
+ * (*) this is mandatory only for classes whose version is greater than or
+ * equal to {@link Opcodes#V1_6 V1_6}. <br>
+ * <br>
+ * The frames of a method must be given either in expanded form, or in
+ * compressed form (all frames must use the same format, i.e. you must not
+ * mix expanded and compressed frames within a single method):
+ * <ul>
+ * <li>In expanded form, all frames must have the F_NEW type.</li>
+ * <li>In compressed form, frames are basically "deltas" from the state of
+ * the previous frame:
+ * <ul>
* <li>{@link Opcodes#F_SAME} representing frame with exactly the same
- * locals as the previous frame and with the empty stack.</li> <li>{@link Opcodes#F_SAME1}
- * representing frame with exactly the same locals as the previous frame and
- * with single value on the stack (<code>nStack</code> is 1 and
- * <code>stack[0]</code> contains value for the type of the stack item).</li>
+ * locals as the previous frame and with the empty stack.</li>
+ * <li>{@link Opcodes#F_SAME1} representing frame with exactly the same
+ * locals as the previous frame and with single value on the stack (
+ * <code>nStack</code> is 1 and <code>stack[0]</code> contains value for the
+ * type of the stack item).</li>
* <li>{@link Opcodes#F_APPEND} representing frame with current locals are
* the same as the locals in the previous frame, except that additional
* locals are defined (<code>nLocal</code> is 1, 2 or 3 and
* <code>local</code> elements contains values representing added types).</li>
- * <li>{@link Opcodes#F_CHOP} representing frame with current locals are
- * the same as the locals in the previous frame, except that the last 1-3
- * locals are absent and with the empty stack (<code>nLocals</code> is 1,
- * 2 or 3). </li> <li>{@link Opcodes#F_FULL} representing complete frame
- * data.</li> </li> </ul>
- *
- * @param type the type of this stack map frame. Must be
- * {@link Opcodes#F_NEW} for expanded frames, or
- * {@link Opcodes#F_FULL}, {@link Opcodes#F_APPEND},
- * {@link Opcodes#F_CHOP}, {@link Opcodes#F_SAME} or
- * {@link Opcodes#F_APPEND}, {@link Opcodes#F_SAME1} for compressed
- * frames.
- * @param nLocal the number of local variables in the visited frame.
- * @param local the local variable types in this frame. This array must not
- * be modified. Primitive types are represented by
- * {@link Opcodes#TOP}, {@link Opcodes#INTEGER},
- * {@link Opcodes#FLOAT}, {@link Opcodes#LONG},
- * {@link Opcodes#DOUBLE},{@link Opcodes#NULL} or
- * {@link Opcodes#UNINITIALIZED_THIS} (long and double are
- * represented by a single element). Reference types are represented
- * by String objects (representing internal names), and uninitialized
- * types by Label objects (this label designates the NEW instruction
- * that created this uninitialized value).
- * @param nStack the number of operand stack elements in the visited frame.
- * @param stack the operand stack types in this frame. This array must not
- * be modified. Its content has the same format as the "local" array.
- * @throws IllegalStateException if a frame is visited just after another
- * one, without any instruction between the two (unless this frame
- * is a Opcodes#F_SAME frame, in which case it is silently ignored).
- */
- public void visitFrame(
- int type,
- int nLocal,
- Object[] local,
- int nStack,
- Object[] stack)
- {
+ * <li>{@link Opcodes#F_CHOP} representing frame with current locals are the
+ * same as the locals in the previous frame, except that the last 1-3 locals
+ * are absent and with the empty stack (<code>nLocals</code> is 1, 2 or 3).</li>
+ * <li>{@link Opcodes#F_FULL} representing complete frame data.</li>
+ * </ul>
+ * </li>
+ * </ul>
+ * <br>
+ * In both cases the first frame, corresponding to the method's parameters
+ * and access flags, is implicit and must not be visited. Also, it is
+ * illegal to visit two or more frames for the same code location (i.e., at
+ * least one instruction must be visited between two calls to visitFrame).
+ *
+ * @param type
+ * the type of this stack map frame. Must be
+ * {@link Opcodes#F_NEW} for expanded frames, or
+ * {@link Opcodes#F_FULL}, {@link Opcodes#F_APPEND},
+ * {@link Opcodes#F_CHOP}, {@link Opcodes#F_SAME} or
+ * {@link Opcodes#F_APPEND}, {@link Opcodes#F_SAME1} for
+ * compressed frames.
+ * @param nLocal
+ * the number of local variables in the visited frame.
+ * @param local
+ * the local variable types in this frame. This array must not be
+ * modified. Primitive types are represented by
+ * {@link Opcodes#TOP}, {@link Opcodes#INTEGER},
+ * {@link Opcodes#FLOAT}, {@link Opcodes#LONG},
+ * {@link Opcodes#DOUBLE},{@link Opcodes#NULL} or
+ * {@link Opcodes#UNINITIALIZED_THIS} (long and double are
+ * represented by a single element). Reference types are
+ * represented by String objects (representing internal names),
+ * and uninitialized types by Label objects (this label
+ * designates the NEW instruction that created this uninitialized
+ * value).
+ * @param nStack
+ * the number of operand stack elements in the visited frame.
+ * @param stack
+ * the operand stack types in this frame. This array must not be
+ * modified. Its content has the same format as the "local"
+ * array.
+ * @throws IllegalStateException
+ * if a frame is visited just after another one, without any
+ * instruction between the two (unless this frame is a
+ * Opcodes#F_SAME frame, in which case it is silently ignored).
+ */
+ public void visitFrame(int type, int nLocal, Object[] local, int nStack,
+ Object[] stack) {
if (mv != null) {
mv.visitFrame(type, nLocal, local, nStack, stack);
}
@@ -231,21 +317,23 @@ public abstract class MethodVisitor {
/**
* Visits a zero operand instruction.
- *
- * @param opcode the opcode of the instruction to be visited. This opcode is
- * either NOP, ACONST_NULL, ICONST_M1, ICONST_0, ICONST_1, ICONST_2,
- * ICONST_3, ICONST_4, ICONST_5, LCONST_0, LCONST_1, FCONST_0,
- * FCONST_1, FCONST_2, DCONST_0, DCONST_1, IALOAD, LALOAD, FALOAD,
- * DALOAD, AALOAD, BALOAD, CALOAD, SALOAD, IASTORE, LASTORE, FASTORE,
- * DASTORE, AASTORE, BASTORE, CASTORE, SASTORE, POP, POP2, DUP,
- * DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, SWAP, IADD, LADD, FADD,
- * DADD, ISUB, LSUB, FSUB, DSUB, IMUL, LMUL, FMUL, DMUL, IDIV, LDIV,
- * FDIV, DDIV, IREM, LREM, FREM, DREM, INEG, LNEG, FNEG, DNEG, ISHL,
- * LSHL, ISHR, LSHR, IUSHR, LUSHR, IAND, LAND, IOR, LOR, IXOR, LXOR,
- * I2L, I2F, I2D, L2I, L2F, L2D, F2I, F2L, F2D, D2I, D2L, D2F, I2B,
- * I2C, I2S, LCMP, FCMPL, FCMPG, DCMPL, DCMPG, IRETURN, LRETURN,
- * FRETURN, DRETURN, ARETURN, RETURN, ARRAYLENGTH, ATHROW,
- * MONITORENTER, or MONITOREXIT.
+ *
+ * @param opcode
+ * the opcode of the instruction to be visited. This opcode is
+ * either NOP, ACONST_NULL, ICONST_M1, ICONST_0, ICONST_1,
+ * ICONST_2, ICONST_3, ICONST_4, ICONST_5, LCONST_0, LCONST_1,
+ * FCONST_0, FCONST_1, FCONST_2, DCONST_0, DCONST_1, IALOAD,
+ * LALOAD, FALOAD, DALOAD, AALOAD, BALOAD, CALOAD, SALOAD,
+ * IASTORE, LASTORE, FASTORE, DASTORE, AASTORE, BASTORE, CASTORE,
+ * SASTORE, POP, POP2, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1,
+ * DUP2_X2, SWAP, IADD, LADD, FADD, DADD, ISUB, LSUB, FSUB, DSUB,
+ * IMUL, LMUL, FMUL, DMUL, IDIV, LDIV, FDIV, DDIV, IREM, LREM,
+ * FREM, DREM, INEG, LNEG, FNEG, DNEG, ISHL, LSHL, ISHR, LSHR,
+ * IUSHR, LUSHR, IAND, LAND, IOR, LOR, IXOR, LXOR, I2L, I2F, I2D,
+ * L2I, L2F, L2D, F2I, F2L, F2D, D2I, D2L, D2F, I2B, I2C, I2S,
+ * LCMP, FCMPL, FCMPG, DCMPL, DCMPG, IRETURN, LRETURN, FRETURN,
+ * DRETURN, ARETURN, RETURN, ARRAYLENGTH, ATHROW, MONITORENTER,
+ * or MONITOREXIT.
*/
public void visitInsn(int opcode) {
if (mv != null) {
@@ -255,18 +343,21 @@ public abstract class MethodVisitor {
/**
* Visits an instruction with a single int operand.
- *
- * @param opcode the opcode of the instruction to be visited. This opcode is
- * either BIPUSH, SIPUSH or NEWARRAY.
- * @param operand the operand of the instruction to be visited.<br> When
- * opcode is BIPUSH, operand value should be between Byte.MIN_VALUE
- * and Byte.MAX_VALUE.<br> When opcode is SIPUSH, operand value
- * should be between Short.MIN_VALUE and Short.MAX_VALUE.<br> When
- * opcode is NEWARRAY, operand value should be one of
- * {@link Opcodes#T_BOOLEAN}, {@link Opcodes#T_CHAR},
- * {@link Opcodes#T_FLOAT}, {@link Opcodes#T_DOUBLE},
- * {@link Opcodes#T_BYTE}, {@link Opcodes#T_SHORT},
- * {@link Opcodes#T_INT} or {@link Opcodes#T_LONG}.
+ *
+ * @param opcode
+ * the opcode of the instruction to be visited. This opcode is
+ * either BIPUSH, SIPUSH or NEWARRAY.
+ * @param operand
+ * the operand of the instruction to be visited.<br>
+ * When opcode is BIPUSH, operand value should be between
+ * Byte.MIN_VALUE and Byte.MAX_VALUE.<br>
+ * When opcode is SIPUSH, operand value should be between
+ * Short.MIN_VALUE and Short.MAX_VALUE.<br>
+ * When opcode is NEWARRAY, operand value should be one of
+ * {@link Opcodes#T_BOOLEAN}, {@link Opcodes#T_CHAR},
+ * {@link Opcodes#T_FLOAT}, {@link Opcodes#T_DOUBLE},
+ * {@link Opcodes#T_BYTE}, {@link Opcodes#T_SHORT},
+ * {@link Opcodes#T_INT} or {@link Opcodes#T_LONG}.
*/
public void visitIntInsn(int opcode, int operand) {
if (mv != null) {
@@ -277,12 +368,14 @@ public abstract class MethodVisitor {
/**
* Visits a local variable instruction. A local variable instruction is an
* instruction that loads or stores the value of a local variable.
- *
- * @param opcode the opcode of the local variable instruction to be visited.
- * This opcode is either ILOAD, LLOAD, FLOAD, DLOAD, ALOAD, ISTORE,
- * LSTORE, FSTORE, DSTORE, ASTORE or RET.
- * @param var the operand of the instruction to be visited. This operand is
- * the index of a local variable.
+ *
+ * @param opcode
+ * the opcode of the local variable instruction to be visited.
+ * This opcode is either ILOAD, LLOAD, FLOAD, DLOAD, ALOAD,
+ * ISTORE, LSTORE, FSTORE, DSTORE, ASTORE or RET.
+ * @param var
+ * the operand of the instruction to be visited. This operand is
+ * the index of a local variable.
*/
public void visitVarInsn(int opcode, int var) {
if (mv != null) {
@@ -293,12 +386,14 @@ public abstract class MethodVisitor {
/**
* Visits a type instruction. A type instruction is an instruction that
* takes the internal name of a class as parameter.
- *
- * @param opcode the opcode of the type instruction to be visited. This
- * opcode is either NEW, ANEWARRAY, CHECKCAST or INSTANCEOF.
- * @param type the operand of the instruction to be visited. This operand
- * must be the internal name of an object or array class (see {@link
- * Type#getInternalName() getInternalName}).
+ *
+ * @param opcode
+ * the opcode of the type instruction to be visited. This opcode
+ * is either NEW, ANEWARRAY, CHECKCAST or INSTANCEOF.
+ * @param type
+ * the operand of the instruction to be visited. This operand
+ * must be the internal name of an object or array class (see
+ * {@link Type#getInternalName() getInternalName}).
*/
public void visitTypeInsn(int opcode, String type) {
if (mv != null) {
@@ -309,15 +404,20 @@ public abstract class MethodVisitor {
/**
* Visits a field instruction. A field instruction is an instruction that
* loads or stores the value of a field of an object.
- *
- * @param opcode the opcode of the type instruction to be visited. This
- * opcode is either GETSTATIC, PUTSTATIC, GETFIELD or PUTFIELD.
- * @param owner the internal name of the field's owner class (see {@link
- * Type#getInternalName() getInternalName}).
- * @param name the field's name.
- * @param desc the field's descriptor (see {@link Type Type}).
- */
- public void visitFieldInsn(int opcode, String owner, String name, String desc) {
+ *
+ * @param opcode
+ * the opcode of the type instruction to be visited. This opcode
+ * is either GETSTATIC, PUTSTATIC, GETFIELD or PUTFIELD.
+ * @param owner
+ * the internal name of the field's owner class (see
+ * {@link Type#getInternalName() getInternalName}).
+ * @param name
+ * the field's name.
+ * @param desc
+ * the field's descriptor (see {@link Type Type}).
+ */
+ public void visitFieldInsn(int opcode, String owner, String name,
+ String desc) {
if (mv != null) {
mv.visitFieldInsn(opcode, owner, name, desc);
}
@@ -326,34 +426,83 @@ public abstract class MethodVisitor {
/**
* Visits a method instruction. A method instruction is an instruction that
* invokes a method.
- *
- * @param opcode the opcode of the type instruction to be visited. This
- * opcode is either INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC
- * or INVOKEINTERFACE.
- * @param owner the internal name of the method's owner class (see {@link
- * Type#getInternalName() getInternalName}).
- * @param name the method's name.
- * @param desc the method's descriptor (see {@link Type Type}).
- */
- public void visitMethodInsn(int opcode, String owner, String name, String desc) {
+ *
+ * @param opcode
+ * the opcode of the type instruction to be visited. This opcode
+ * is either INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC or
+ * INVOKEINTERFACE.
+ * @param owner
+ * the internal name of the method's owner class (see
+ * {@link Type#getInternalName() getInternalName}).
+ * @param name
+ * the method's name.
+ * @param desc
+ * the method's descriptor (see {@link Type Type}).
+ */
+ @Deprecated
+ public void visitMethodInsn(int opcode, String owner, String name,
+ String desc) {
+ if (api >= Opcodes.ASM5) {
+ boolean itf = opcode == Opcodes.INVOKEINTERFACE;
+ visitMethodInsn(opcode, owner, name, desc, itf);
+ return;
+ }
if (mv != null) {
mv.visitMethodInsn(opcode, owner, name, desc);
}
}
/**
+ * Visits a method instruction. A method instruction is an instruction that
+ * invokes a method.
+ *
+ * @param opcode
+ * the opcode of the type instruction to be visited. This opcode
+ * is either INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC or
+ * INVOKEINTERFACE.
+ * @param owner
+ * the internal name of the method's owner class (see
+ * {@link Type#getInternalName() getInternalName}).
+ * @param name
+ * the method's name.
+ * @param desc
+ * the method's descriptor (see {@link Type Type}).
+ * @param itf
+ * if the method's owner class is an interface.
+ */
+ public void visitMethodInsn(int opcode, String owner, String name,
+ String desc, boolean itf) {
+ if (api < Opcodes.ASM5) {
+ if (itf != (opcode == Opcodes.INVOKEINTERFACE)) {
+ throw new IllegalArgumentException(
+ "INVOKESPECIAL/STATIC on interfaces require ASM 5");
+ }
+ visitMethodInsn(opcode, owner, name, desc);
+ return;
+ }
+ if (mv != null) {
+ mv.visitMethodInsn(opcode, owner, name, desc, itf);
+ }
+ }
+
+ /**
* Visits an invokedynamic instruction.
- *
- * @param name the method's name.
- * @param desc the method's descriptor (see {@link Type Type}).
- * @param bsm the bootstrap method.
- * @param bsmArgs the bootstrap method constant arguments. Each argument
- * must be an {@link Integer}, {@link Float}, {@link Long},
- * {@link Double}, {@link String}, {@link Type} or {@link Handle}
- * value. This method is allowed to modify the content of the array
- * so a caller should expect that this array may change.
- */
- public void visitInvokeDynamicInsn(String name, String desc, Handle bsm, Object... bsmArgs) {
+ *
+ * @param name
+ * the method's name.
+ * @param desc
+ * the method's descriptor (see {@link Type Type}).
+ * @param bsm
+ * the bootstrap method.
+ * @param bsmArgs
+ * the bootstrap method constant arguments. Each argument must be
+ * an {@link Integer}, {@link Float}, {@link Long},
+ * {@link Double}, {@link String}, {@link Type} or {@link Handle}
+ * value. This method is allowed to modify the content of the
+ * array so a caller should expect that this array may change.
+ */
+ public void visitInvokeDynamicInsn(String name, String desc, Handle bsm,
+ Object... bsmArgs) {
if (mv != null) {
mv.visitInvokeDynamicInsn(name, desc, bsm, bsmArgs);
}
@@ -362,14 +511,16 @@ public abstract class MethodVisitor {
/**
* Visits a jump instruction. A jump instruction is an instruction that may
* jump to another instruction.
- *
- * @param opcode the opcode of the type instruction to be visited. This
- * opcode is either IFEQ, IFNE, IFLT, IFGE, IFGT, IFLE, IF_ICMPEQ,
- * IF_ICMPNE, IF_ICMPLT, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ACMPEQ,
- * IF_ACMPNE, GOTO, JSR, IFNULL or IFNONNULL.
- * @param label the operand of the instruction to be visited. This operand
- * is a label that designates the instruction to which the jump
- * instruction may jump.
+ *
+ * @param opcode
+ * the opcode of the type instruction to be visited. This opcode
+ * is either IFEQ, IFNE, IFLT, IFGE, IFGT, IFLE, IF_ICMPEQ,
+ * IF_ICMPNE, IF_ICMPLT, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE,
+ * IF_ACMPEQ, IF_ACMPNE, GOTO, JSR, IFNULL or IFNONNULL.
+ * @param label
+ * the operand of the instruction to be visited. This operand is
+ * a label that designates the instruction to which the jump
+ * instruction may jump.
*/
public void visitJumpInsn(int opcode, Label label) {
if (mv != null) {
@@ -380,8 +531,9 @@ public abstract class MethodVisitor {
/**
* Visits a label. A label designates the instruction that will be visited
* just after it.
- *
- * @param label a {@link Label Label} object.
+ *
+ * @param label
+ * a {@link Label Label} object.
*/
public void visitLabel(Label label) {
if (mv != null) {
@@ -398,41 +550,44 @@ public abstract class MethodVisitor {
* future versions of the Java Virtual Machine. To easily detect new
* constant types, implementations of this method should check for
* unexpected constant types, like this:
+ *
* <pre>
* if (cst instanceof Integer) {
- * // ...
+ * // ...
* } else if (cst instanceof Float) {
- * // ...
+ * // ...
* } else if (cst instanceof Long) {
- * // ...
- * } else if (cst instanceof Double) {
- * // ...
- * } else if (cst instanceof String) {
- * // ...
- * } else if (cst instanceof Type) {
- * int sort = ((Type) cst).getSort();
- * if (sort == Type.OBJECT) {
* // ...
- * } else if (sort == Type.ARRAY) {
+ * } else if (cst instanceof Double) {
* // ...
- * } else if (sort == Type.METHOD) {
+ * } else if (cst instanceof String) {
* // ...
- * } else {
- * // throw an exception
- * }
+ * } else if (cst instanceof Type) {
+ * int sort = ((Type) cst).getSort();
+ * if (sort == Type.OBJECT) {
+ * // ...
+ * } else if (sort == Type.ARRAY) {
+ * // ...
+ * } else if (sort == Type.METHOD) {
+ * // ...
+ * } else {
+ * // throw an exception
+ * }
* } else if (cst instanceof Handle) {
- * // ...
+ * // ...
* } else {
- * // throw an exception
- * }</pre>
- *
- * @param cst the constant to be loaded on the stack. This parameter must be
- * a non null {@link Integer}, a {@link Float}, a {@link Long}, a
- * {@link Double}, a {@link String}, a {@link Type} of OBJECT or ARRAY
- * sort for <tt>.class</tt> constants, for classes whose version is
- * 49.0, a {@link Type} of METHOD sort or a {@link Handle} for
- * MethodType and MethodHandle constants, for classes whose version
- * is 51.0.
+ * // throw an exception
+ * }
+ * </pre>
+ *
+ * @param cst
+ * the constant to be loaded on the stack. This parameter must be
+ * a non null {@link Integer}, a {@link Float}, a {@link Long}, a
+ * {@link Double}, a {@link String}, a {@link Type} of OBJECT or
+ * ARRAY sort for <tt>.class</tt> constants, for classes whose
+ * version is 49.0, a {@link Type} of METHOD sort or a
+ * {@link Handle} for MethodType and MethodHandle constants, for
+ * classes whose version is 51.0.
*/
public void visitLdcInsn(Object cst) {
if (mv != null) {
@@ -442,9 +597,11 @@ public abstract class MethodVisitor {
/**
* Visits an IINC instruction.
- *
- * @param var index of the local variable to be incremented.
- * @param increment amount to increment the local variable by.
+ *
+ * @param var
+ * index of the local variable to be incremented.
+ * @param increment
+ * amount to increment the local variable by.
*/
public void visitIincInsn(int var, int increment) {
if (mv != null) {
@@ -454,14 +611,19 @@ public abstract class MethodVisitor {
/**
* Visits a TABLESWITCH instruction.
- *
- * @param min the minimum key value.
- * @param max the maximum key value.
- * @param dflt beginning of the default handler block.
- * @param labels beginnings of the handler blocks. <tt>labels[i]</tt> is
- * the beginning of the handler block for the <tt>min + i</tt> key.
- */
- public void visitTableSwitchInsn(int min, int max, Label dflt, Label... labels) {
+ *
+ * @param min
+ * the minimum key value.
+ * @param max
+ * the maximum key value.
+ * @param dflt
+ * beginning of the default handler block.
+ * @param labels
+ * beginnings of the handler blocks. <tt>labels[i]</tt> is the
+ * beginning of the handler block for the <tt>min + i</tt> key.
+ */
+ public void visitTableSwitchInsn(int min, int max, Label dflt,
+ Label... labels) {
if (mv != null) {
mv.visitTableSwitchInsn(min, max, dflt, labels);
}
@@ -469,11 +631,14 @@ public abstract class MethodVisitor {
/**
* Visits a LOOKUPSWITCH instruction.
- *
- * @param dflt beginning of the default handler block.
- * @param keys the values of the keys.
- * @param labels beginnings of the handler blocks. <tt>labels[i]</tt> is
- * the beginning of the handler block for the <tt>keys[i]</tt> key.
+ *
+ * @param dflt
+ * beginning of the default handler block.
+ * @param keys
+ * the values of the keys.
+ * @param labels
+ * beginnings of the handler blocks. <tt>labels[i]</tt> is the
+ * beginning of the handler block for the <tt>keys[i]</tt> key.
*/
public void visitLookupSwitchInsn(Label dflt, int[] keys, Label[] labels) {
if (mv != null) {
@@ -483,9 +648,11 @@ public abstract class MethodVisitor {
/**
* Visits a MULTIANEWARRAY instruction.
- *
- * @param desc an array type descriptor (see {@link Type Type}).
- * @param dims number of dimensions of the array to allocate.
+ *
+ * @param desc
+ * an array type descriptor (see {@link Type Type}).
+ * @param dims
+ * number of dimensions of the array to allocate.
*/
public void visitMultiANewArrayInsn(String desc, int dims) {
if (mv != null) {
@@ -493,68 +660,191 @@ public abstract class MethodVisitor {
}
}
+ /**
+ * Visits an annotation on an instruction. This method must be called just
+ * <i>after</i> the annotated instruction. It can be called several times
+ * for the same instruction.
+ *
+ * @param typeRef
+ * a reference to the annotated type. The sort of this type
+ * reference must be {@link TypeReference#INSTANCEOF INSTANCEOF},
+ * {@link TypeReference#NEW NEW},
+ * {@link TypeReference#CONSTRUCTOR_REFERENCE
+ * CONSTRUCTOR_REFERENCE}, {@link TypeReference#METHOD_REFERENCE
+ * METHOD_REFERENCE}, {@link TypeReference#CAST CAST},
+ * {@link TypeReference#CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT
+ * CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT},
+ * {@link TypeReference#METHOD_INVOCATION_TYPE_ARGUMENT
+ * METHOD_INVOCATION_TYPE_ARGUMENT},
+ * {@link TypeReference#CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT
+ * CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT}, or
+ * {@link TypeReference#METHOD_REFERENCE_TYPE_ARGUMENT
+ * METHOD_REFERENCE_TYPE_ARGUMENT}. See {@link TypeReference}.
+ * @param typePath
+ * the path to the annotated type argument, wildcard bound, array
+ * element type, or static inner type within 'typeRef'. May be
+ * <tt>null</tt> if the annotation targets 'typeRef' as a whole.
+ * @param desc
+ * the class descriptor of the annotation class.
+ * @param visible
+ * <tt>true</tt> if the annotation is visible at runtime.
+ * @return a visitor to visit the annotation values, or <tt>null</tt> if
+ * this visitor is not interested in visiting this annotation.
+ */
+ public AnnotationVisitor visitInsnAnnotation(int typeRef,
+ TypePath typePath, String desc, boolean visible) {
+ if (api < Opcodes.ASM5) {
+ throw new RuntimeException();
+ }
+ if (mv != null) {
+ return mv.visitInsnAnnotation(typeRef, typePath, desc, visible);
+ }
+ return null;
+ }
+
// -------------------------------------------------------------------------
// Exceptions table entries, debug information, max stack and max locals
// -------------------------------------------------------------------------
/**
* Visits a try catch block.
- *
- * @param start beginning of the exception handler's scope (inclusive).
- * @param end end of the exception handler's scope (exclusive).
- * @param handler beginning of the exception handler's code.
- * @param type internal name of the type of exceptions handled by the
- * handler, or <tt>null</tt> to catch any exceptions (for "finally"
- * blocks).
- * @throws IllegalArgumentException if one of the labels has already been
- * visited by this visitor (by the {@link #visitLabel visitLabel}
- * method).
- */
- public void visitTryCatchBlock(Label start, Label end, Label handler, String type) {
+ *
+ * @param start
+ * beginning of the exception handler's scope (inclusive).
+ * @param end
+ * end of the exception handler's scope (exclusive).
+ * @param handler
+ * beginning of the exception handler's code.
+ * @param type
+ * internal name of the type of exceptions handled by the
+ * handler, or <tt>null</tt> to catch any exceptions (for
+ * "finally" blocks).
+ * @throws IllegalArgumentException
+ * if one of the labels has already been visited by this visitor
+ * (by the {@link #visitLabel visitLabel} method).
+ */
+ public void visitTryCatchBlock(Label start, Label end, Label handler,
+ String type) {
if (mv != null) {
mv.visitTryCatchBlock(start, end, handler, type);
}
}
/**
+ * Visits an annotation on an exception handler type. This method must be
+ * called <i>after</i> the {@link #visitTryCatchBlock} for the annotated
+ * exception handler. It can be called several times for the same exception
+ * handler.
+ *
+ * @param typeRef
+ * a reference to the annotated type. The sort of this type
+ * reference must be {@link TypeReference#EXCEPTION_PARAMETER
+ * EXCEPTION_PARAMETER}. See {@link TypeReference}.
+ * @param typePath
+ * the path to the annotated type argument, wildcard bound, array
+ * element type, or static inner type within 'typeRef'. May be
+ * <tt>null</tt> if the annotation targets 'typeRef' as a whole.
+ * @param desc
+ * the class descriptor of the annotation class.
+ * @param visible
+ * <tt>true</tt> if the annotation is visible at runtime.
+ * @return a visitor to visit the annotation values, or <tt>null</tt> if
+ * this visitor is not interested in visiting this annotation.
+ */
+ public AnnotationVisitor visitTryCatchAnnotation(int typeRef,
+ TypePath typePath, String desc, boolean visible) {
+ if (api < Opcodes.ASM5) {
+ throw new RuntimeException();
+ }
+ if (mv != null) {
+ return mv.visitTryCatchAnnotation(typeRef, typePath, desc, visible);
+ }
+ return null;
+ }
+
+ /**
* Visits a local variable declaration.
- *
- * @param name the name of a local variable.
- * @param desc the type descriptor of this local variable.
- * @param signature the type signature of this local variable. May be
- * <tt>null</tt> if the local variable type does not use generic
- * types.
- * @param start the first instruction corresponding to the scope of this
- * local variable (inclusive).
- * @param end the last instruction corresponding to the scope of this local
- * variable (exclusive).
- * @param index the local variable's index.
- * @throws IllegalArgumentException if one of the labels has not already
- * been visited by this visitor (by the
- * {@link #visitLabel visitLabel} method).
- */
- public void visitLocalVariable(
- String name,
- String desc,
- String signature,
- Label start,
- Label end,
- int index)
- {
+ *
+ * @param name
+ * the name of a local variable.
+ * @param desc
+ * the type descriptor of this local variable.
+ * @param signature
+ * the type signature of this local variable. May be
+ * <tt>null</tt> if the local variable type does not use generic
+ * types.
+ * @param start
+ * the first instruction corresponding to the scope of this local
+ * variable (inclusive).
+ * @param end
+ * the last instruction corresponding to the scope of this local
+ * variable (exclusive).
+ * @param index
+ * the local variable's index.
+ * @throws IllegalArgumentException
+ * if one of the labels has not already been visited by this
+ * visitor (by the {@link #visitLabel visitLabel} method).
+ */
+ public void visitLocalVariable(String name, String desc, String signature,
+ Label start, Label end, int index) {
if (mv != null) {
mv.visitLocalVariable(name, desc, signature, start, end, index);
}
}
/**
+ * Visits an annotation on a local variable type.
+ *
+ * @param typeRef
+ * a reference to the annotated type. The sort of this type
+ * reference must be {@link TypeReference#LOCAL_VARIABLE
+ * LOCAL_VARIABLE} or {@link TypeReference#RESOURCE_VARIABLE
+ * RESOURCE_VARIABLE}. See {@link TypeReference}.
+ * @param typePath
+ * the path to the annotated type argument, wildcard bound, array
+ * element type, or static inner type within 'typeRef'. May be
+ * <tt>null</tt> if the annotation targets 'typeRef' as a whole.
+ * @param start
+ * the fist instructions corresponding to the continuous ranges
+ * that make the scope of this local variable (inclusive).
+ * @param end
+ * the last instructions corresponding to the continuous ranges
+ * that make the scope of this local variable (exclusive). This
+ * array must have the same size as the 'start' array.
+ * @param index
+ * the local variable's index in each range. This array must have
+ * the same size as the 'start' array.
+ * @param desc
+ * the class descriptor of the annotation class.
+ * @param visible
+ * <tt>true</tt> if the annotation is visible at runtime.
+ * @return a visitor to visit the annotation values, or <tt>null</tt> if
+ * this visitor is not interested in visiting this annotation.
+ */
+ public AnnotationVisitor visitLocalVariableAnnotation(int typeRef,
+ TypePath typePath, Label[] start, Label[] end, int[] index,
+ String desc, boolean visible) {
+ if (api < Opcodes.ASM5) {
+ throw new RuntimeException();
+ }
+ if (mv != null) {
+ return mv.visitLocalVariableAnnotation(typeRef, typePath, start,
+ end, index, desc, visible);
+ }
+ return null;
+ }
+
+ /**
* Visits a line number declaration.
- *
- * @param line a line number. This number refers to the source file from
- * which the class was compiled.
- * @param start the first instruction corresponding to this line number.
- * @throws IllegalArgumentException if <tt>start</tt> has not already been
- * visited by this visitor (by the {@link #visitLabel visitLabel}
- * method).
+ *
+ * @param line
+ * a line number. This number refers to the source file from
+ * which the class was compiled.
+ * @param start
+ * the first instruction corresponding to this line number.
+ * @throws IllegalArgumentException
+ * if <tt>start</tt> has not already been visited by this
+ * visitor (by the {@link #visitLabel visitLabel} method).
*/
public void visitLineNumber(int line, Label start) {
if (mv != null) {
@@ -565,9 +855,11 @@ public abstract class MethodVisitor {
/**
* Visits the maximum stack size and the maximum number of local variables
* of the method.
- *
- * @param maxStack maximum stack size of the method.
- * @param maxLocals maximum number of local variables for the method.
+ *
+ * @param maxStack
+ * maximum stack size of the method.
+ * @param maxLocals
+ * maximum number of local variables for the method.
*/
public void visitMaxs(int maxStack, int maxLocals) {
if (mv != null) {