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#1148: handing end of stream exception in abc reader

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This commit is contained in:
honfika@gmail.com
2016-02-09 10:40:01 +01:00
parent 64d93ebfac
commit 36498acfce
2 changed files with 28 additions and 20 deletions
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47
libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/ABC.java
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@@ -16,6 +16,7 @@
*/
package com.jpexs.decompiler.flash.abc;
import com.jpexs.decompiler.flash.EndOfStreamException;
import com.jpexs.decompiler.flash.EventListener;
import com.jpexs.decompiler.flash.SWF;
import com.jpexs.decompiler.flash.abc.avm2.AVM2Code;
@@ -54,6 +55,7 @@ import com.jpexs.decompiler.flash.abc.usages.MethodParamsMultinameUsage;
import com.jpexs.decompiler.flash.abc.usages.MethodReturnTypeMultinameUsage;
import com.jpexs.decompiler.flash.abc.usages.MultinameUsage;
import com.jpexs.decompiler.flash.abc.usages.TypeNameMultinameUsage;
import com.jpexs.decompiler.flash.dumpview.DumpInfo;
import com.jpexs.decompiler.flash.helpers.SWFDecompilerPlugin;
import com.jpexs.decompiler.flash.tags.ABCContainerTag;
import com.jpexs.decompiler.flash.tags.Tag;
@@ -543,29 +545,34 @@ public class ABC {
int bodies_count = ais.readU30("bodies_count");
bodies = new ArrayList<>(bodies_count);
for (int i = 0; i < bodies_count; i++) {
DumpInfo di = ais.dumpInfo;
ais.newDumpLevel("method_body", "method_body_info");
MethodBody mb = new MethodBody(this, null, null, null); // do not create Traits in constructor
mb.method_info = ais.readU30("method_info");
mb.max_stack = ais.readU30("max_stack");
mb.max_regs = ais.readU30("max_regs");
mb.init_scope_depth = ais.readU30("init_scope_depth");
mb.max_scope_depth = ais.readU30("max_scope_depth");
int code_length = ais.readU30("code_length");
mb.setCodeBytes(ais.readBytes(code_length, "code"));
int ex_count = ais.readU30("ex_count");
mb.exceptions = new ABCException[ex_count];
for (int j = 0; j < ex_count; j++) {
ABCException abce = new ABCException();
abce.start = ais.readU30("start");
abce.end = ais.readU30("end");
abce.target = ais.readU30("target");
abce.type_index = ais.readU30("type_index");
abce.name_index = ais.readU30("name_index");
mb.exceptions[j] = abce;
try {
mb.method_info = ais.readU30("method_info");
mb.max_stack = ais.readU30("max_stack");
mb.max_regs = ais.readU30("max_regs");
mb.init_scope_depth = ais.readU30("init_scope_depth");
mb.max_scope_depth = ais.readU30("max_scope_depth");
int code_length = ais.readU30("code_length");
mb.setCodeBytes(ais.readBytes(code_length, "code"));
int ex_count = ais.readU30("ex_count");
mb.exceptions = new ABCException[ex_count];
for (int j = 0; j < ex_count; j++) {
ABCException abce = new ABCException();
abce.start = ais.readU30("start");
abce.end = ais.readU30("end");
abce.target = ais.readU30("target");
abce.type_index = ais.readU30("type_index");
abce.name_index = ais.readU30("name_index");
mb.exceptions[j] = abce;
}
mb.traits = ais.readTraits("traits");
bodies.add(mb);
ais.endDumpLevel();
} catch (EndOfStreamException ex) {
ais.endDumpLevelUntil(di);
}
mb.traits = ais.readTraits("traits");
bodies.add(mb);
ais.endDumpLevel();
SWFDecompilerPlugin.fireMethodBodyParsed(mb, swf);
}

1
libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DoABC2Tag.java
View File

@@ -92,6 +92,7 @@ public class DoABC2Tag extends Tag implements ABCContainerTag {
name = sis.readString("name");
ABCInputStream ais = new ABCInputStream(sis.getBaseStream());
// put it to the dumpview:
sis.readByteRangeEx(sis.available(), "abcBytes");
abc = new ABC(ais, swf, this);