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Fix NPE when generate jasmin file if no instruction

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--HG--
branch : 0.0.9.x
This commit is contained in:
Panxiaobo 2012-10-16 18:27:58 +08:00
parent 3985f946e9
commit 7439fc0c63
1 changed files with 33 additions and 29 deletions
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62
dex-tools/src/main/java/com/googlecode/dex2jar/tools/JasminifierClassAdapter.java
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@ -328,19 +328,21 @@ public class JasminifierClassAdapter extends ClassAdapter {
if ((mn.access & Opcodes.ACC_DEPRECATED) != 0) {
pw.println(".deprecated");
}
if (mn.instructions.size() > 0) {
if (mn.instructions != null && mn.instructions.size() > 0) {
labelNames.clear();
for (int j = 0; j < mn.tryCatchBlocks.size(); ++j) {
TryCatchBlockNode tcb = (TryCatchBlockNode) mn.tryCatchBlocks.get(j);
pw.print(".catch ");
pw.print(tcb.type == null ? "all" : tcb.type);
pw.print(" from ");
print(tcb.start);
pw.print(" to ");
print(tcb.end);
pw.print(" using ");
print(tcb.handler);
pw.println();
if (mn.tryCatchBlocks != null) {
for (int j = 0; j < mn.tryCatchBlocks.size(); ++j) {
TryCatchBlockNode tcb = (TryCatchBlockNode) mn.tryCatchBlocks.get(j);
pw.print(".catch ");
pw.print(tcb.type == null ? "all" : tcb.type);
pw.print(" from ");
print(tcb.start);
pw.print(" to ");
print(tcb.end);
pw.print(" using ");
print(tcb.handler);
pw.println();
}
}
for (int j = 0; j < mn.instructions.size(); ++j) {
AbstractInsnNode in = mn.instructions.get(j);
@ -533,24 +535,26 @@ public class JasminifierClassAdapter extends ClassAdapter {
}
});
}
for (int j = 0; j < mn.localVariables.size(); ++j) {
LocalVariableNode lv = (LocalVariableNode) mn.localVariables.get(j);
pw.print(".var ");
pw.print(lv.index);
pw.print(" is '");
pw.print(lv.name);
pw.print("' ");
pw.print(lv.desc);
if (lv.signature != null) {
pw.print(" signature \"");
pw.print(lv.signature);
pw.print("\"");
if (mn.localVariables != null) {
for (int j = 0; j < mn.localVariables.size(); ++j) {
LocalVariableNode lv = (LocalVariableNode) mn.localVariables.get(j);
pw.print(".var ");
pw.print(lv.index);
pw.print(" is '");
pw.print(lv.name);
pw.print("' ");
pw.print(lv.desc);
if (lv.signature != null) {
pw.print(" signature \"");
pw.print(lv.signature);
pw.print("\"");
}
pw.print(" from ");
print(lv.start);
pw.print(" to ");
print(lv.end);
pw.println();
}
pw.print(" from ");
print(lv.start);
pw.print(" to ");
print(lv.end);
pw.println();
}
println(".limit locals ", Integer.toString(mn.maxLocals));
println(".limit stack ", Integer.toString(mn.maxStack));