org.objectweb.asm.Label.put()方法的使用及代码示例

x33g5p2x  于2022-01-23 转载在 其他  
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本文整理了Java中org.objectweb.asm.Label.put()方法的一些代码示例，展示了Label.put()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Label.put()方法的具体详情如下：
包路径：org.objectweb.asm.Label
类名称：Label
方法名：put

Label.put介绍

[英]Puts a reference to this label in the bytecode of a method. If the bytecode offset of the label is known, the relative bytecode offset between the label and the instruction referencing it is computed and written directly. Otherwise, a null relative offset is written and a new forward reference is declared for this label.
[中]在方法的字节码中放置对此标签的引用。如果标签的字节码偏移量已知，则直接计算并写入标签和引用标签的指令之间的相对字节码偏移量。否则，将写入空相对偏移量，并为此标签声明新的正向引用。

代码示例

代码示例来源：origin: org.ow2.asm/asm

@Override
public void visitLookupSwitchInsn(final Label dflt, final int[] keys, final Label[] labels) {
 lastBytecodeOffset = code.length;
 // Add the instruction to the bytecode of the method.
 code.putByte(Opcodes.LOOKUPSWITCH).putByteArray(null, 0, (4 - code.length % 4) % 4);
 dflt.put(code, lastBytecodeOffset, true);
 code.putInt(labels.length);
 for (int i = 0; i < labels.length; ++i) {
  code.putInt(keys[i]);
  labels[i].put(code, lastBytecodeOffset, true);
 }
 // If needed, update the maximum stack size and number of locals, and stack map frames.
 visitSwitchInsn(dflt, labels);
}

代码示例来源：origin: org.ow2.asm/asm

@Override
public void visitTableSwitchInsn(
  final int min, final int max, final Label dflt, final Label... labels) {
 lastBytecodeOffset = code.length;
 // Add the instruction to the bytecode of the method.
 code.putByte(Opcodes.TABLESWITCH).putByteArray(null, 0, (4 - code.length % 4) % 4);
 dflt.put(code, lastBytecodeOffset, true);
 code.putInt(min).putInt(max);
 for (Label label : labels) {
  label.put(code, lastBytecodeOffset, true);
 }
 // If needed, update the maximum stack size and number of locals, and stack map frames.
 visitSwitchInsn(dflt, labels);
}

代码示例来源：origin: org.ow2.asm/asm

label.put(code, code.length - 1, true);
} else if (baseOpcode != opcode) {
 label.put(code, code.length - 1, true);
} else {
 label.put(code, code.length - 1, false);

代码示例来源：origin: org.apache.aries.spifly/org.apache.aries.spifly.dynamic.framework.extension

@Override
public void visitTableSwitchInsn(
  final int min, final int max, final Label dflt, final Label... labels) {
 lastBytecodeOffset = code.length;
 // Add the instruction to the bytecode of the method.
 code.putByte(Opcodes.TABLESWITCH).putByteArray(null, 0, (4 - code.length % 4) % 4);
 dflt.put(code, lastBytecodeOffset, true);
 code.putInt(min).putInt(max);
 for (Label label : labels) {
  label.put(code, lastBytecodeOffset, true);
 }
 // If needed, update the maximum stack size and number of locals, and stack map frames.
 visitSwitchInsn(dflt, labels);
}

代码示例来源：origin: org.apache.aries.spifly/org.apache.aries.spifly.dynamic.framework.extension

@Override
public void visitLookupSwitchInsn(final Label dflt, final int[] keys, final Label[] labels) {
 lastBytecodeOffset = code.length;
 // Add the instruction to the bytecode of the method.
 code.putByte(Opcodes.LOOKUPSWITCH).putByteArray(null, 0, (4 - code.length % 4) % 4);
 dflt.put(code, lastBytecodeOffset, true);
 code.putInt(labels.length);
 for (int i = 0; i < labels.length; ++i) {
  code.putInt(keys[i]);
  labels[i].put(code, lastBytecodeOffset, true);
 }
 // If needed, update the maximum stack size and number of locals, and stack map frames.
 visitSwitchInsn(dflt, labels);
}

代码示例来源：origin: org.apache.aries.spifly/org.apache.aries.spifly.dynamic.bundle

@Override
public void visitTableSwitchInsn(
  final int min, final int max, final Label dflt, final Label... labels) {
 lastBytecodeOffset = code.length;
 // Add the instruction to the bytecode of the method.
 code.putByte(Opcodes.TABLESWITCH).putByteArray(null, 0, (4 - code.length % 4) % 4);
 dflt.put(code, lastBytecodeOffset, true);
 code.putInt(min).putInt(max);
 for (Label label : labels) {
  label.put(code, lastBytecodeOffset, true);
 }
 // If needed, update the maximum stack size and number of locals, and stack map frames.
 visitSwitchInsn(dflt, labels);
}

代码示例来源：origin: com.bladejava/blade-asm

@Override
public void visitTableSwitchInsn(
  final int min, final int max, final Label dflt, final Label... labels) {
 lastBytecodeOffset = code.length;
 // Add the instruction to the bytecode of the method.
 code.putByte(Opcodes.TABLESWITCH).putByteArray(null, 0, (4 - code.length % 4) % 4);
 dflt.put(code, lastBytecodeOffset, true);
 code.putInt(min).putInt(max);
 for (Label label : labels) {
  label.put(code, lastBytecodeOffset, true);
 }
 // If needed, update the maximum stack size and number of locals, and stack map frames.
 visitSwitchInsn(dflt, labels);
}

代码示例来源：origin: org.apache.aries.spifly/org.apache.aries.spifly.dynamic.bundle

@Override
public void visitLookupSwitchInsn(final Label dflt, final int[] keys, final Label[] labels) {
 lastBytecodeOffset = code.length;
 // Add the instruction to the bytecode of the method.
 code.putByte(Opcodes.LOOKUPSWITCH).putByteArray(null, 0, (4 - code.length % 4) % 4);
 dflt.put(code, lastBytecodeOffset, true);
 code.putInt(labels.length);
 for (int i = 0; i < labels.length; ++i) {
  code.putInt(keys[i]);
  labels[i].put(code, lastBytecodeOffset, true);
 }
 // If needed, update the maximum stack size and number of locals, and stack map frames.
 visitSwitchInsn(dflt, labels);
}

代码示例来源：origin: com.bladejava/blade-asm

@Override
public void visitLookupSwitchInsn(final Label dflt, final int[] keys, final Label[] labels) {
 lastBytecodeOffset = code.length;
 // Add the instruction to the bytecode of the method.
 code.putByte(Opcodes.LOOKUPSWITCH).putByteArray(null, 0, (4 - code.length % 4) % 4);
 dflt.put(code, lastBytecodeOffset, true);
 code.putInt(labels.length);
 for (int i = 0; i < labels.length; ++i) {
  code.putInt(keys[i]);
  labels[i].put(code, lastBytecodeOffset, true);
 }
 // If needed, update the maximum stack size and number of locals, and stack map frames.
 visitSwitchInsn(dflt, labels);
}

代码示例来源：origin: com.bladejava/blade-core

@Override
public void visitTableSwitchInsn(final int min, final int max,
    final Label dflt, final Label... labels) {
  lastCodeOffset = code.length;
  // adds the instruction to the bytecode of the method
  int source = code.length;
  code.putByte(Opcodes.TABLESWITCH);
  code.putByteArray(null, 0, (4 - code.length % 4) % 4);
  dflt.put(this, code, source, true);
  code.putInt(min).putInt(max);
  for (int i = 0; i < labels.length; ++i) {
    labels[i].put(this, code, source, true);
  }
  // updates currentBlock
  visitSwitchInsn(dflt, labels);
}

代码示例来源：origin: org.ow2.asm/asm-debug-all

@Override
public void visitTableSwitchInsn(final int min, final int max,
    final Label dflt, final Label... labels) {
  lastCodeOffset = code.length;
  // adds the instruction to the bytecode of the method
  int source = code.length;
  code.putByte(Opcodes.TABLESWITCH);
  code.putByteArray(null, 0, (4 - code.length % 4) % 4);
  dflt.put(this, code, source, true);
  code.putInt(min).putInt(max);
  for (int i = 0; i < labels.length; ++i) {
    labels[i].put(this, code, source, true);
  }
  // updates currentBlock
  visitSwitchInsn(dflt, labels);
}

代码示例来源：origin: com.bladejava/blade-core

@Override
public void visitLookupSwitchInsn(final Label dflt, final int[] keys,
    final Label[] labels) {
  lastCodeOffset = code.length;
  // adds the instruction to the bytecode of the method
  int source = code.length;
  code.putByte(Opcodes.LOOKUPSWITCH);
  code.putByteArray(null, 0, (4 - code.length % 4) % 4);
  dflt.put(this, code, source, true);
  code.putInt(labels.length);
  for (int i = 0; i < labels.length; ++i) {
    code.putInt(keys[i]);
    labels[i].put(this, code, source, true);
  }
  // updates currentBlock
  visitSwitchInsn(dflt, labels);
}

代码示例来源：origin: org.ow2.asm/asm-debug-all

@Override
public void visitLookupSwitchInsn(final Label dflt, final int[] keys,
    final Label[] labels) {
  lastCodeOffset = code.length;
  // adds the instruction to the bytecode of the method
  int source = code.length;
  code.putByte(Opcodes.LOOKUPSWITCH);
  code.putByteArray(null, 0, (4 - code.length % 4) % 4);
  dflt.put(this, code, source, true);
  code.putInt(labels.length);
  for (int i = 0; i < labels.length; ++i) {
    code.putInt(keys[i]);
    labels[i].put(this, code, source, true);
  }
  // updates currentBlock
  visitSwitchInsn(dflt, labels);
}

代码示例来源：origin: org.apache.aries.spifly/org.apache.aries.spifly.dynamic.bundle

label.put(code, code.length - 1, true);
} else if (baseOpcode != opcode) {
 label.put(code, code.length - 1, true);
} else {
 label.put(code, code.length - 1, false);

代码示例来源：origin: org.ow2.asm/asm-debug-all

code.putByte(200); // GOTO_W
  label.put(this, code, code.length - 1, true);
} else if (isWide) {
  label.put(this, code, code.length - 1, true);
} else {
  label.put(this, code, code.length - 1, false);

代码示例来源：origin: com.bladejava/blade-asm

label.put(code, code.length - 1, true);
} else if (baseOpcode != opcode) {
 label.put(code, code.length - 1, true);
} else {
 label.put(code, code.length - 1, false);

代码示例来源：origin: org.apache.aries.spifly/org.apache.aries.spifly.dynamic.framework.extension

label.put(code, code.length - 1, true);
} else if (baseOpcode != opcode) {
 label.put(code, code.length - 1, true);
} else {
 label.put(code, code.length - 1, false);

代码示例来源：origin: com.bladejava/blade-core

code.putByte(200); // GOTO_W
  label.put(this, code, code.length - 1, true);
} else {
  label.put(this, code, code.length - 1, false);

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