AS3 editation with flex - not really working yet:

- needs fixing circular references, etc. (eg. editing class which references classes which references this class)
 - needs better errors displaying with jump to error line, etc.

src/com/jpexs/decompiler/flash/console/CommandLineArgumentParser.java

@@ -88,12 +88,14 @@ import com.jpexs.decompiler.flash.exporters.settings.ShapeExportSettings;
 import com.jpexs.decompiler.flash.exporters.settings.SoundExportSettings;
 import com.jpexs.decompiler.flash.exporters.settings.SpriteExportSettings;
 import com.jpexs.decompiler.flash.exporters.settings.TextExportSettings;
+import com.jpexs.decompiler.flash.exporters.swf.SwfToSwcExporter;
 import com.jpexs.decompiler.flash.exporters.swf.SwfXmlExporter;
 import com.jpexs.decompiler.flash.gui.AppStrings;
 import com.jpexs.decompiler.flash.gui.Main;
 import com.jpexs.decompiler.flash.gui.SearchInMemory;
 import com.jpexs.decompiler.flash.gui.SearchInMemoryListener;
 import com.jpexs.decompiler.flash.gui.SwfInMemory;
+import com.jpexs.decompiler.flash.gui.View;
 import com.jpexs.decompiler.flash.gui.helpers.CheckResources;
 import com.jpexs.decompiler.flash.helpers.FileTextWriter;
 import com.jpexs.decompiler.flash.helpers.SWFDecompilerPlugin;
@@ -193,6 +195,7 @@ import java.util.concurrent.ExecutionException;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.logging.Level;
 import java.util.logging.Logger;
+import javax.swing.JOptionPane;
 
 /**
  *
@@ -585,6 +588,13 @@ public class CommandLineArgumentParser {
             out.println("  ...<swffile>: SWF file to search instance in");
         }
 
+        if (filter == null || filter.equals("swf2swc")) {
+            out.println(" " + (cnt++) + ") -swf2swc <outfile> <swffile>");
+            out.println("  ...generates SWC file from SWF");
+            out.println("  ...<outfile>: Where to save SWC file");
+            out.println("  ...<swffile>: Input SWF file");
+        }
+
         printCmdLineUsageExamples(out, filter);
     }
 
@@ -800,7 +810,9 @@ public class CommandLineArgumentParser {
             command = nextParam.substring(1);
         }
 
-        if (command.equals("linkreport")) {
+        if (command.equals("swf2swc")) {
+            parseSwf2Swc(args);
+        } else if (command.equals("linkreport")) {
             parseLinkReport(selectionClasses, args);
         } else if (command.equals("getinstancemetadata")) {
             parseGetInstanceMetadata(args);
@@ -997,6 +1009,18 @@ public class CommandLineArgumentParser {
         setConfigurations(args.pop());
     }
 
+    private static void parseSwf2Swc(Stack<String> args) {
+        if (args.size() < 2) {
+            badArguments("swf2swc");
+        }
+        final File outFile = new File(args.pop());
+        final File swfFile = new File(args.pop());
+        processReadSWF(swfFile, null, (SWF swf, OutputStream stdout) -> {
+            SwfToSwcExporter exporter = new SwfToSwcExporter();
+            exporter.exportSwf(swf, outFile, false);
+        });
+    }
+
     private static void parseLinkReport(List<String> selectionClasses, Stack<String> args) {
         if (args.isEmpty()) {
             badArguments("linkreport");
@@ -3348,6 +3372,13 @@ public class CommandLineArgumentParser {
     }
 
     private static void parseImportScript(Stack<String> args) {
+
+        String flexLocation = Configuration.flexSdkLocation.get();
+        if (flexLocation.isEmpty() || (!new File(flexLocation).exists())) {
+            System.err.println("Flex SDK path not set");
+            System.exit(1);
+        }
+
         if (args.size() < 3) {
             badArguments("importscript");
         }

src/com/jpexs/decompiler/flash/gui/MainPanel.java

@@ -2146,6 +2146,14 @@ public final class MainPanel extends JPanel implements TreeSelectionListener, Se
     }
 
     public void importScript(final SWF swf) {
+
+        String flexLocation = Configuration.flexSdkLocation.get();
+        if (flexLocation.isEmpty() || (!new File(flexLocation).exists())) {
+            View.showMessageDialog(null, AppStrings.translate("message.flexpath.notset"), AppStrings.translate("error"), JOptionPane.ERROR_MESSAGE);
+            Main.advancedSettings("paths");
+            return;
+        }
+
         JFileChooser chooser = new JFileChooser();
         chooser.setCurrentDirectory(new File(Configuration.lastExportDir.get()));
         chooser.setDialogTitle(translate("import.select.directory"));

src/com/jpexs/decompiler/flash/gui/abc/ABCPanel.java

@@ -1157,6 +1157,12 @@ public class ABCPanel extends JPanel implements ItemListener, SearchListener<ABC
                 return;
             }
         }
+        String flexLocation = Configuration.flexSdkLocation.get();
+        if (flexLocation.isEmpty() || (!new File(flexLocation).exists())) {
+            View.showMessageDialog(null, AppStrings.translate("message.flexpath.notset"), AppStrings.translate("error"), JOptionPane.ERROR_MESSAGE);
+            Main.advancedSettings("paths");
+            return;
+        }
         if (View.showConfirmDialog(null, AppStrings.translate("message.confirm.experimental.function"), AppStrings.translate("message.warning"), JOptionPane.OK_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE, Configuration.warningExperimentalAS3Edit, JOptionPane.OK_OPTION) == JOptionPane.OK_OPTION) {
             setDecompiledEditMode(true);
         }
@@ -1173,11 +1179,6 @@ public class ABCPanel extends JPanel implements ItemListener, SearchListener<ABC
 
         try {
             String oldSp = pack.getClassPath().toRawString();
-            /*List<ScriptPack> packs = abc.script_info.get(oldIndex).getPacks(abc, oldIndex, null, pack.allABCs);
-             if (!packs.isEmpty()) {
-
-             }*/
-
             String as = decompiledTextArea.getText();
             abc.replaceScriptPack(pack, as);
             lastDecompiled = as;

src/com/jpexs/decompiler/flash/gui/locales/AdvancedSettingsDialog.properties

@@ -432,3 +432,6 @@ config.description.simplifyExpressions = Evaluate and simplify expressions to ma
 
 config.name.resetLetterSpacingOnTextImport = Reset Letter Spacing on text import
 config.description.resetLetterSpacingOnTextImport = Useful for cyrillic fonts, because they are wider
+
+config.name.flexSdkLocation = 4) Flex SDK directory path
+config.description.flexSdkLocation = Location of Adobe Flex SDK. It is used mostly for AS3 compilation.

src/com/jpexs/decompiler/flash/gui/locales/MainFrame.properties

@@ -734,4 +734,5 @@ generic.editor.amf3.help = AMF3 value syntax:\n\
                            \ * Nonscalar datatypes can be referenced by previously declared "id" attributes with # syntax:\n\
                            %reference_sample%\n\
                            \ * Keys in Dictionary entries can be any type\n
-                            
+
+message.flexpath.notset = Flex SDK not found. Please configure its path in Advanced Settings / Paths (4).