perf: optimize recursion, avoid stackoverflow on larger scripts (#2672)

2026-05-22 10:55:03 +00:00 · 2026-03-20 07:56:39 +01:00
parent cd8a9dbdad
commit 2bc1c4e012
24 changed files with 31249 additions and 623 deletions
--- a/libsrc/ffdec_lib/testdata/as2_long/as2_long.html
+++ b/libsrc/ffdec_lib/testdata/as2_long/as2_long.html
@@ -0,0 +1,49 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
+	<head>
+		<title>as2_long</title>
+		<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+		<style type="text/css" media="screen">
+		html, body { height:100%; background-color: #ffffff;}
+		body { margin:0; padding:0; overflow:hidden; }
+		#flashContent { width:100%; height:100%; }
+		</style>
+	</head>
+	<body>
+		<div id="flashContent">
+			<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" width="550" height="400" id="as2_long" align="middle">
+				<param name="movie" value="as2_long.swf" />
+				<param name="quality" value="high" />
+				<param name="bgcolor" value="#ffffff" />
+				<param name="play" value="true" />
+				<param name="loop" value="true" />
+				<param name="wmode" value="window" />
+				<param name="scale" value="showall" />
+				<param name="menu" value="true" />
+				<param name="devicefont" value="false" />
+				<param name="salign" value="" />
+				<param name="allowScriptAccess" value="sameDomain" />
+				<!--[if !IE]>-->
+				<object type="application/x-shockwave-flash" data="as2_long.swf" width="550" height="400">
+					<param name="movie" value="as2_long.swf" />
+					<param name="quality" value="high" />
+					<param name="bgcolor" value="#ffffff" />
+					<param name="play" value="true" />
+					<param name="loop" value="true" />
+					<param name="wmode" value="window" />
+					<param name="scale" value="showall" />
+					<param name="menu" value="true" />
+					<param name="devicefont" value="false" />
+					<param name="salign" value="" />
+					<param name="allowScriptAccess" value="sameDomain" />
+				<!--<![endif]-->
+					<a href="http://www.adobe.com/go/getflash">
+						<img src="http://www.adobe.com/images/shared/download_buttons/get_flash_player.gif" alt="Get Adobe Flash player" />
+					</a>
+				<!--[if !IE]>-->
+				</object>
+				<!--<![endif]-->
+			</object>
+		</div>
+	</body>
+</html>
--- a/libsrc/ffdec_lib/testdata/as2_long/as2_long.swf
+++ b/libsrc/ffdec_lib/testdata/as2_long/as2_long.swf
--- a/libsrc/ffdec_lib/testdata/as2_long/as2_long/DOMDocument.xml
+++ b/libsrc/ffdec_lib/testdata/as2_long/as2_long/DOMDocument.xml
--- a/libsrc/ffdec_lib/testdata/as2_long/as2_long/META-INF/metadata.xml
+++ b/libsrc/ffdec_lib/testdata/as2_long/as2_long/META-INF/metadata.xml
@@ -0,0 +1,55 @@
+<?xpacket begin="" id="W5M0MpCehiHzreSzNTczkc9d"?>
+<x:xmpmeta xmlns:x="adobe:ns:meta/" x:xmptk="Adobe XMP Core 5.3-c011 66.145661, 2012/02/06-14:56:27        ">
+   <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
+      <rdf:Description rdf:about=""
+            xmlns:xmp="http://ns.adobe.com/xap/1.0/">
+         <xmp:CreatorTool>Adobe Flash Professional CS6 - build 481</xmp:CreatorTool>
+         <xmp:CreateDate>2026-03-19T23:26:42-07:00</xmp:CreateDate>
+         <xmp:MetadataDate>2026-03-19T23:27:45-07:00</xmp:MetadataDate>
+         <xmp:ModifyDate>2026-03-19T23:27:45-07:00</xmp:ModifyDate>
+      </rdf:Description>
+      <rdf:Description rdf:about=""
+            xmlns:dc="http://purl.org/dc/elements/1.1/">
+         <dc:format>application/vnd.adobe.fla</dc:format>
+      </rdf:Description>
+      <rdf:Description rdf:about=""
+            xmlns:xmpMM="http://ns.adobe.com/xap/1.0/mm/"
+            xmlns:stEvt="http://ns.adobe.com/xap/1.0/sType/ResourceEvent#">
+         <xmpMM:InstanceID>xmp.iid:E30104E82524F1119CEDF7FC46CFB7AB</xmpMM:InstanceID>
+         <xmpMM:DocumentID>xmp.did:E30104E82524F1119CEDF7FC46CFB7AB</xmpMM:DocumentID>
+         <xmpMM:OriginalDocumentID>xmp.did:E30104E82524F1119CEDF7FC46CFB7AB</xmpMM:OriginalDocumentID>
+         <xmpMM:History>
+            <rdf:Seq>
+               <rdf:li rdf:parseType="Resource">
+                  <stEvt:action>created</stEvt:action>
+                  <stEvt:instanceID>xmp.iid:E30104E82524F1119CEDF7FC46CFB7AB</stEvt:instanceID>
+                  <stEvt:when>2026-03-19T23:26:42-07:00</stEvt:when>
+                  <stEvt:softwareAgent>Adobe Flash Professional CS6 - build 481</stEvt:softwareAgent>
+               </rdf:li>
+            </rdf:Seq>
+         </xmpMM:History>
+      </rdf:Description>
+   </rdf:RDF>
+</x:xmpmeta>
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                                                                                                    
+                           
+<?xpacket end="w"?>
--- a/libsrc/ffdec_lib/testdata/as2_long/as2_long/MobileSettings.xml
+++ b/libsrc/ffdec_lib/testdata/as2_long/as2_long/MobileSettings.xml
--- a/libsrc/ffdec_lib/testdata/as2_long/as2_long/PublishSettings.xml
+++ b/libsrc/ffdec_lib/testdata/as2_long/as2_long/PublishSettings.xml
@@ -0,0 +1,206 @@
+<flash_profiles>
+<flash_profile version="1.0" name="Default" current="true">
+  <PublishFormatProperties enabled="true">
+    <defaultNames>1</defaultNames>
+    <flash>1</flash>
+    <projectorWin>0</projectorWin>
+    <projectorMac>0</projectorMac>
+    <html>1</html>
+    <gif>0</gif>
+    <jpeg>0</jpeg>
+    <png>0</png>
+    <qt>0</qt>
+    <rnwk>0</rnwk>
+    <swc>0</swc>
+    <flashDefaultName>1</flashDefaultName>
+    <projectorWinDefaultName>1</projectorWinDefaultName>
+    <projectorMacDefaultName>1</projectorMacDefaultName>
+    <htmlDefaultName>1</htmlDefaultName>
+    <gifDefaultName>1</gifDefaultName>
+    <jpegDefaultName>1</jpegDefaultName>
+    <pngDefaultName>1</pngDefaultName>
+    <qtDefaultName>1</qtDefaultName>
+    <rnwkDefaultName>1</rnwkDefaultName>
+    <swcDefaultName>1</swcDefaultName>
+    <flashFileName>Untitled-1.swf</flashFileName>
+    <projectorWinFileName>Untitled-1.exe</projectorWinFileName>
+    <projectorMacFileName>Untitled-1.app</projectorMacFileName>
+    <htmlFileName>Untitled-1.html</htmlFileName>
+    <gifFileName>Untitled-1.gif</gifFileName>
+    <jpegFileName>Untitled-1.jpg</jpegFileName>
+    <pngFileName>Untitled-1.png</pngFileName>
+    <qtFileName>Untitled-1.mov</qtFileName>
+    <rnwkFileName>Untitled-1.smil</rnwkFileName>
+    <swcFileName>Untitled-1.swc</swcFileName>
+  </PublishFormatProperties>
+  <PublishHtmlProperties enabled="true">
+    <VersionDetectionIfAvailable>0</VersionDetectionIfAvailable>
+    <VersionInfo>12,0,0,0;11,2,0,0;11,1,0,0;10,3,0,0;10,2,153,0;10,1,52,0;9,0,124,0;8,0,24,0;7,0,14,0;6,0,79,0;5,0,58,0;4,0,32,0;3,0,8,0;2,0,1,12;1,0,0,1;</VersionInfo>
+    <UsingDefaultContentFilename>1</UsingDefaultContentFilename>
+    <UsingDefaultAlternateFilename>1</UsingDefaultAlternateFilename>
+    <ContentFilename>Untitled-1_content.html</ContentFilename>
+    <AlternateFilename>Untitled-1_alternate.html</AlternateFilename>
+    <UsingOwnAlternateFile>0</UsingOwnAlternateFile>
+    <OwnAlternateFilename></OwnAlternateFilename>
+    <Width>550</Width>
+    <Height>400</Height>
+    <Align>0</Align>
+    <Units>0</Units>
+    <Loop>1</Loop>
+    <StartPaused>0</StartPaused>
+    <Scale>0</Scale>
+    <HorizontalAlignment>1</HorizontalAlignment>
+    <VerticalAlignment>1</VerticalAlignment>
+    <Quality>4</Quality>
+    <DeblockingFilter>0</DeblockingFilter>
+    <WindowMode>0</WindowMode>
+    <DisplayMenu>1</DisplayMenu>
+    <DeviceFont>0</DeviceFont>
+    <TemplateFileName>C:\Users\MyUser\AppData\Local\Adobe\Flash CS6\en_US\Configuration\HTML\Default.html</TemplateFileName>
+    <showTagWarnMsg>1</showTagWarnMsg>
+  </PublishHtmlProperties>
+  <PublishFlashProperties enabled="true">
+    <TopDown></TopDown>
+    <FireFox></FireFox>
+    <Report>0</Report>
+    <Protect>0</Protect>
+    <OmitTraceActions>0</OmitTraceActions>
+    <Quality>80</Quality>
+    <DeblockingFilter>0</DeblockingFilter>
+    <StreamFormat>0</StreamFormat>
+    <StreamCompress>7</StreamCompress>
+    <EventFormat>0</EventFormat>
+    <EventCompress>7</EventCompress>
+    <OverrideSounds>0</OverrideSounds>
+    <Version>15</Version>
+    <ExternalPlayer>FlashPlayer11.2</ExternalPlayer>
+    <ActionScriptVersion>2</ActionScriptVersion>
+    <PackageExportFrame>1</PackageExportFrame>
+    <PackagePaths></PackagePaths>
+    <AS3PackagePaths>.</AS3PackagePaths>
+    <AS3ConfigConst>CONFIG::FLASH_AUTHORING=&quot;true&quot;;</AS3ConfigConst>
+    <DebuggingPermitted>0</DebuggingPermitted>
+    <DebuggingPassword></DebuggingPassword>
+    <CompressMovie>1</CompressMovie>
+    <CompressionType>0</CompressionType>
+    <InvisibleLayer>1</InvisibleLayer>
+    <DeviceSound>0</DeviceSound>
+    <StreamUse8kSampleRate>0</StreamUse8kSampleRate>
+    <EventUse8kSampleRate>0</EventUse8kSampleRate>
+    <UseNetwork>0</UseNetwork>
+    <DocumentClass></DocumentClass>
+    <AS3Strict>2</AS3Strict>
+    <AS3Coach>4</AS3Coach>
+    <AS3AutoDeclare>4096</AS3AutoDeclare>
+    <AS3Dialect>AS3</AS3Dialect>
+    <AS3ExportFrame>1</AS3ExportFrame>
+    <AS3Optimize>1</AS3Optimize>
+    <ExportSwc>0</ExportSwc>
+    <ScriptStuckDelay>15</ScriptStuckDelay>
+    <IncludeXMP>1</IncludeXMP>
+    <HardwareAcceleration>0</HardwareAcceleration>
+    <AS3Flags>4102</AS3Flags>
+    <DefaultLibraryLinkage>rsl</DefaultLibraryLinkage>
+    <RSLPreloaderMethod>wrap</RSLPreloaderMethod>
+    <RSLPreloaderSWF>$(AppConfig)/ActionScript 3.0/rsls/loader_animation.swf</RSLPreloaderSWF>
+    <LibraryPath>
+      <library-path-entry>
+        <swc-path>$(AppConfig)/ActionScript 3.0/libs</swc-path>
+        <linkage>merge</linkage>
+      </library-path-entry>
+      <library-path-entry>
+        <swc-path>$(AppConfig)/ActionScript 3.0/libs/11.0/textLayout.swc</swc-path>
+        <linkage usesDefault="true">rsl</linkage>
+        <rsl-url>http://fpdownload.adobe.com/pub/swz/tlf/2.0.0.232/textLayout_2.0.0.232.swz</rsl-url>
+        <policy-file-url>http://fpdownload.adobe.com/pub/swz/crossdomain.xml</policy-file-url>
+        <rsl-url>textLayout_2.0.0.232.swz</rsl-url>
+      </library-path-entry>
+    </LibraryPath>
+    <LibraryVersions>
+      <library-version>
+        <swc-path>$(AppConfig)/ActionScript 3.0/libs/11.0/textLayout.swc</swc-path>
+        <feature name="tlfText" majorVersion="2" minorVersion="0" build="232"/>
+        <rsl-url>http://fpdownload.adobe.com/pub/swz/tlf/2.0.0.232/textLayout_2.0.0.232.swz</rsl-url>
+        <policy-file-url>http://fpdownload.adobe.com/pub/swz/crossdomain.xml</policy-file-url>
+        <rsl-url>textLayout_2.0.0.232.swz</rsl-url>
+      </library-version>
+    </LibraryVersions>
+  </PublishFlashProperties>
+  <PublishJpegProperties enabled="true">
+    <Width>550</Width>
+    <Height>400</Height>
+    <Progressive>0</Progressive>
+    <DPI>4718592</DPI>
+    <Size>0</Size>
+    <Quality>80</Quality>
+    <MatchMovieDim>1</MatchMovieDim>
+  </PublishJpegProperties>
+  <PublishRNWKProperties enabled="true">
+    <exportFlash>1</exportFlash>
+    <flashBitRate>0</flashBitRate>
+    <exportAudio>1</exportAudio>
+    <audioFormat>0</audioFormat>
+    <singleRateAudio>0</singleRateAudio>
+    <realVideoRate>100000</realVideoRate>
+    <speed28K>1</speed28K>
+    <speed56K>1</speed56K>
+    <speedSingleISDN>0</speedSingleISDN>
+    <speedDualISDN>0</speedDualISDN>
+    <speedCorporateLAN>0</speedCorporateLAN>
+    <speed256K>0</speed256K>
+    <speed384K>0</speed384K>
+    <speed512K>0</speed512K>
+    <exportSMIL>1</exportSMIL>
+  </PublishRNWKProperties>
+  <PublishGifProperties enabled="true">
+    <Width>550</Width>
+    <Height>400</Height>
+    <Animated>0</Animated>
+    <MatchMovieDim>1</MatchMovieDim>
+    <Loop>1</Loop>
+    <LoopCount></LoopCount>
+    <OptimizeColors>1</OptimizeColors>
+    <Interlace>0</Interlace>
+    <Smooth>1</Smooth>
+    <DitherSolids>0</DitherSolids>
+    <RemoveGradients>0</RemoveGradients>
+    <TransparentOption></TransparentOption>
+    <TransparentAlpha>128</TransparentAlpha>
+    <DitherOption></DitherOption>
+    <PaletteOption></PaletteOption>
+    <MaxColors>255</MaxColors>
+    <PaletteName></PaletteName>
+  </PublishGifProperties>
+  <PublishPNGProperties enabled="true">
+    <Width>550</Width>
+    <Height>400</Height>
+    <OptimizeColors>1</OptimizeColors>
+    <Interlace>0</Interlace>
+    <Transparent>0</Transparent>
+    <Smooth>1</Smooth>
+    <DitherSolids>0</DitherSolids>
+    <RemoveGradients>0</RemoveGradients>
+    <MatchMovieDim>1</MatchMovieDim>
+    <DitherOption></DitherOption>
+    <FilterOption></FilterOption>
+    <PaletteOption></PaletteOption>
+    <BitDepth>24-bit with Alpha</BitDepth>
+    <MaxColors>255</MaxColors>
+    <PaletteName></PaletteName>
+  </PublishPNGProperties>
+  <PublishQTProperties enabled="true">
+    <Width>550</Width>
+    <Height>400</Height>
+    <MatchMovieDim>1</MatchMovieDim>
+    <UseQTSoundCompression>0</UseQTSoundCompression>
+    <AlphaOption></AlphaOption>
+    <LayerOption></LayerOption>
+    <QTSndSettings>00000000</QTSndSettings>
+    <ControllerOption>0</ControllerOption>
+    <Looping>0</Looping>
+    <PausedAtStart>0</PausedAtStart>
+    <PlayEveryFrame>0</PlayEveryFrame>
+    <Flatten>1</Flatten>
+  </PublishQTProperties>
+</flash_profile>
+</flash_profiles>
--- a/libsrc/ffdec_lib/testdata/as2_long/as2_long/as2_long.xfl
+++ b/libsrc/ffdec_lib/testdata/as2_long/as2_long/as2_long.xfl
@@ -0,0 +1 @@
+PROXY-CS5
--- a/libsrc/ffdec_lib/testdata/as2_long/as2_long/bin/SymDepend.cache
+++ b/libsrc/ffdec_lib/testdata/as2_long/as2_long/bin/SymDepend.cache
--- a/libsrc/ffdec_lib/testdata/as3_long/bin/as3_long.air.swf
+++ b/libsrc/ffdec_lib/testdata/as3_long/bin/as3_long.air.swf
--- a/libsrc/ffdec_lib/testdata/as3_long/bin/as3_long.flex.swf
+++ b/libsrc/ffdec_lib/testdata/as3_long/bin/as3_long.flex.swf
--- a/libsrc/ffdec_lib/testdata/as3_long/build_air_debug.bat
+++ b/libsrc/ffdec_lib/testdata/as3_long/build_air_debug.bat
@@ -0,0 +1,7 @@
+@echo off
+set COMPILERKIND=air
+set SWFNAME=as3_long
+call c:\air\bin\mxmlc.bat -debug=true -output bin/%SWFNAME%.%COMPILERKIND%.swf src/Main.as 1> buildlog.%COMPILERKIND%.txt 2>&1
+rem set COMPILERKIND=air.optimize
+rem call c:\air\bin\mxmlc.bat -compiler.optimize -output bin/%SWFNAME%.%COMPILERKIND%.swf src/Main.as 1> buildlog.%COMPILERKIND%.txt 2>&1
+rem -warnings=false
--- a/libsrc/ffdec_lib/testdata/as3_long/build_both_debug.bat
+++ b/libsrc/ffdec_lib/testdata/as3_long/build_both_debug.bat
@@ -0,0 +1,3 @@
+@echo off
+call build_flex_debug.bat
+call build_air_debug.bat
--- a/libsrc/ffdec_lib/testdata/as3_long/build_flex_debug.bat
+++ b/libsrc/ffdec_lib/testdata/as3_long/build_flex_debug.bat
@@ -0,0 +1,7 @@
+@echo off
+set COMPILERKIND=flex
+set SWFNAME=as3_long
+call c:\flex\bin\mxmlc.bat -debug=true -output bin/%SWFNAME%.%COMPILERKIND%.swf src/Main.as 1> buildlog.%COMPILERKIND%.txt 2>&1
+rem set COMPILERKIND=flex.optimize
+rem call c:\flex\bin\mxmlc.bat -compiler.optimize -output bin/%SWFNAME%.%COMPILERKIND%.swf src/Main.as 1> buildlog.%COMPILERKIND%.txt 2>&1
+rem -warnings=false
--- a/libsrc/ffdec_lib/testdata/as3_long/src/Main.as
+++ b/libsrc/ffdec_lib/testdata/as3_long/src/Main.as
@@ -0,0 +1,28 @@
+package
+{
+    import flash.display.Sprite;
+    import flash.events.Event;
+    import tests.*;
+    /**
+     * ...
+     * @author JPEXS
+     */
+    public class Main extends Sprite
+    {
+        TestLongScript;
+        
+        public function Main()
+        {
+            if (stage) init();
+            else addEventListener(Event.ADDED_TO_STAGE, init);
+        }
+        
+        private function init(e:Event = null):void
+        {
+            removeEventListener(Event.ADDED_TO_STAGE, init);
+            // entry point
+        }    
+    
+    }
+
+}
--- a/libsrc/ffdec_lib/testdata/as3_long/src/tests/TestLongScript.as
+++ b/libsrc/ffdec_lib/testdata/as3_long/src/tests/TestLongScript.as