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Fixed #2437 AS1 P-code - do not group pushes automatically,

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AS1 Direct editation - group pushes on FP5+,
AS1 - use Constant pool only on FP5+
This commit is contained in:
Jindra Petřík
2025-04-06 11:54:44 +02:00
parent 187364a2e4
commit c145a76df7
7 changed files with 130 additions and 119 deletions
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18
libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/Action.java
View File

@@ -728,20 +728,14 @@ public abstract class Action implements GraphSourceItem {
}
} else {
//if (!(a instanceof ActionNop)) {
String add = "";
// honfika: commented out the following lines, because it makes no sense
/*if (a instanceof ActionIf) {
add = " change: " + ((ActionIf) a).getJumpOffset();
}
if (a instanceof ActionJump) {
add = " change: " + ((ActionJump) a).getJumpOffset();
}
add = "; ofs" + Helper.formatAddress(offset) + add;
add = "";*/
if ((a instanceof ActionPush) && lastPush) {
String add = "";
//Flash player 4 does not allow more than 1 item in ActionPush, so I commented this out
/*if ((a instanceof ActionPush) && lastPush) {
writer.appendNoHilight(", ");
((ActionPush) a).paramsToStringReplaced(list, importantOffsets, exportMode, writer);
} else {
} else
*/
{
if (lastPush) {
writer.newLine();
//lastPush = false;

10
libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/parser/pcode/ASMParser.java
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@@ -422,10 +422,12 @@ public class ASMParser {
ActionList list = new ActionList(charset);
Stack<GraphSourceItemContainer> containers = new Stack<>();
ActionConstantPool cpool = new ActionConstantPool(constantPool, charset);
cpool.setAddress(address);
address += cpool.getTotalActionLength();
list.add(cpool);
if (!constantPool.isEmpty()) {
ActionConstantPool cpool = new ActionConstantPool(constantPool, charset);
cpool.setAddress(address);
address += cpool.getTotalActionLength();
list.add(cpool);
}
while (true) {
ASMParsedSymbol symb = lexer.lex();

10
libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/parser/script/ActionScript2Parser.java
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@@ -2147,6 +2147,12 @@ public class ActionScript2Parser {
}
private DirectValueActionItem pushConst(String s) throws IOException, ActionParseException {
//ActionConstantPool was introduced in SWF 5
if (swfVersion < 5) {
return new DirectValueActionItem(null, null, 0, s, constantPool);
}
int index = constantPool.indexOf(s);
if (index == -1) {
if (ActionConstantPool.calculateSize(constantPool) + ActionConstantPool.calculateSize(s) <= 0xffff) {
@@ -2467,7 +2473,9 @@ public class ActionScript2Parser {
ret.add((Action) s);
}
}
ret.add(0, new ActionConstantPool(constantPool, charset));
if (!constantPool.isEmpty()) {
ret.add(0, new ActionConstantPool(constantPool, charset));
}
return ret;
}

29
libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/parser/script/ActionSourceGenerator.java
View File

@@ -135,11 +135,35 @@ public class ActionSourceGenerator implements SourceGenerator {
* @return List of Action
*/
public List<Action> toActionList(List<GraphSourceItem> items) {
items = groupPushes(items);
List<Action> ret = new ArrayList<>();
for (GraphSourceItem s : items) {
for (GraphSourceItem s : items) {
if (s instanceof Action) {
ret.add((Action) s);
ret.add((Action) s);
}
}
return ret;
}
private List<GraphSourceItem> groupPushes(List<GraphSourceItem> items) {
if (swfVersion <= 4) {
return items;
}
List<GraphSourceItem> ret = new ArrayList<>();
ActionPush prevPush = null;
for (GraphSourceItem s : items) {
if (s instanceof ActionPush) {
if (prevPush == null) {
prevPush = (ActionPush) s;
ret.add(prevPush);
} else {
prevPush.values.addAll(((ActionPush) s).values);
((ActionPush) s).values.clear();
}
} else {
ret.add(s);
prevPush = null;
}
}
return ret;
}
@@ -988,6 +1012,7 @@ public class ActionSourceGenerator implements SourceGenerator {
for (GraphTargetItem item : commands) {
ret.addAll(item.toSourceIgnoreReturnValue(localData, this));
}
ret = groupPushes(ret);
return ret;
}