added a config file cache

external tools run in a own thread

src/main/dig/hdl/BASYS3_Config.xml

@@ -2,7 +2,7 @@
 <ide name="BASYS3" clockGenerator="clockGenerator">
     <commands>
         <command name="Export" requires="vhdl" />
-        <command name="Export &amp; Start Vivado" requires="vhdl" filter="true" gui="true" timeout="0">
+        <command name="Export &amp; Start Vivado" requires="vhdl" filter="true" timeout="0">
             <arg>vivado</arg>
             <arg>vivado/&lt;?=shortname?&gt;.xpr</arg>
         </command>

src/main/java/de/neemann/digital/ide/Command.java

@@ -11,7 +11,6 @@ package de.neemann.digital.ide;
 public class Command {
     private final String name;
     private final boolean filter;
-    private final boolean gui;
     private final String requires;
     private final String[] args;
     private final int timeout;
@@ -32,7 +31,6 @@ public class Command {
         this.timeout = timeout;
         this.args = args;
         this.filter = filter;
-        this.gui = gui;
     }
 
     /**
@@ -70,13 +68,6 @@ public class Command {
         return filter;
     }
 
-    /**
-     * @return true if application has a gui
-     */
-    public boolean isGui() {
-        return gui;
-    }
-
     /**
      * @return timeout in seconds
      */

src/main/java/de/neemann/digital/ide/ConfigCache.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2019 Helmut Neemann.
+ * Use of this source code is governed by the GPL v3 license
+ * that can be found in the LICENSE file.
+ */
+package de.neemann.digital.ide;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.HashMap;
+
+/**
+ * Helper to avoid loading a config several times.
+ */
+class ConfigCache {
+    private final File initialFile;
+    private HashMap<String, Configuration> cache;
+
+    /**
+     * Creates a new instance
+     *
+     * @param initialFile the intial config file
+     */
+    ConfigCache(File initialFile) {
+        this.initialFile = initialFile;
+        cache = new HashMap<>();
+    }
+
+    /**
+     * Loads the give config.
+     *
+     * @param filename the configs file name
+     * @return the config
+     * @throws IOException IOException
+     */
+    Configuration getConfig(String filename) throws IOException {
+        if (initialFile == null)
+            throw new IOException("No initial config file given!");
+
+
+        Configuration c = cache.get(filename);
+        if (c == null) {
+            c = Configuration.load(new File(initialFile.getParentFile(), filename));
+            cache.put(filename, c);
+        }
+        return c;
+    }
+}

src/main/java/de/neemann/digital/ide/Configuration.java

@@ -80,7 +80,6 @@ public final class Configuration {
         xStream.aliasAttribute(Command.class, "name", "name");
         xStream.aliasAttribute(Command.class, "requires", "requires");
         xStream.aliasAttribute(Command.class, "filter", "filter");
-        xStream.aliasAttribute(Command.class, "gui", "gui");
         xStream.aliasAttribute(Command.class, "timeout", "timeout");
         xStream.addImplicitCollection(Command.class, "args", "arg", String.class);
         xStream.alias("file", FileToCreate.class);
@@ -160,33 +159,17 @@ public final class Configuration {
         return menu;
     }
 
-    private void checkFilesToCreate(File fileToExecute, HDLModel hdlModel) throws HGSEvalException, IOException, ParserException {
+    private final class ExecuteAction extends AbstractAction {
-        Context context = createContext(fileToExecute, hdlModel);
+        private final Command command;
 
-        if (files != null)
+        private ExecuteAction(Command command) {
-            for (FileToCreate f : files) {
+            super(command.getName());
-                context.clearOutput();
+            this.command = command;
-                Parser p = new Parser(f.getName());
-                p.parse().execute(context);
-                File filename = new File(fileToExecute.getParent(), context.toString());
-
-                if (f.isOverwrite() || !filename.exists())
-                    createFile(filename, resolveFileContent(f), context);
-            }
         }
 
-    private void createFile(File filename, FileToCreate f, Context context) throws IOException, HGSEvalException, ParserException {
+        @Override
-        Parser p;
+        public void actionPerformed(ActionEvent actionEvent) {
-        String content = f.getContent();
+            executeCommand(command, this);
-        if (f.isFilter()) {
-            context.clearOutput();
-            p = new Parser(content);
-            p.parse().execute(context);
-            content = context.toString();
-        }
-
-        try (OutputStream out = getIoInterface().getOutputStream(filename)) {
-            out.write(content.getBytes());
         }
     }
 
@@ -249,15 +232,20 @@ public final class Configuration {
      *
      * @param command the command
      */
-    void executeCommand(Command command) {
+    Thread executeCommand(Command command, Action action) {
         File digFile = filenameProvider.getCurrentFilename();
         if (digFile != null) {
             try {
-
+                HDLModel hdlModel;
-                HDLModel hdlModel = null;
                 if (command.needsHDL())
                     hdlModel = writeHDL(command.getHDL(), digFile);
+                else
+                    hdlModel = null;
 
+                if (action != null)
+                    action.setEnabled(false);
+                Thread t = new Thread(() -> {
+                    try {
                         checkFilesToCreate(digFile, hdlModel);
 
                         String[] args = command.getArgs();
@@ -271,46 +259,73 @@ public final class Configuration {
                                     args[i] = context.toString();
                                 }
                             }
-                    getIoInterface().startProcess(command, digFile.getParentFile(), command.isGui(), args);
+                            getIoInterface().startProcess(command, digFile.getParentFile(), args);
                         }
                     } catch (Exception e) {
                         getIoInterface().showError(command, e);
+                    } finally {
+                        if (action != null)
+                            SwingUtilities.invokeLater(() -> action.setEnabled(true));
+                    }
+                });
+                t.setDaemon(true);
+                t.start();
+                return t;
+            } catch (Exception e) {
+                getIoInterface().showError(command, e);
             }
         }
+        return null;
     }
 
-    private FileToCreate resolveFileContent(FileToCreate f) throws IOException {
+    private void checkFilesToCreate(File fileToExecute, HDLModel hdlModel) throws HGSEvalException, IOException, ParserException {
+        Context context = createContext(fileToExecute, hdlModel);
+
+        if (files != null) {
+            ConfigCache configCache = new ConfigCache(origin);
+            for (FileToCreate f : files) {
+                context.clearOutput();
+                Parser p = new Parser(f.getName());
+                p.parse().execute(context);
+                File filename = new File(fileToExecute.getParent(), context.toString());
+
+                if (f.isOverwrite() || !filename.exists())
+                    createFile(filename, resolveFileContent(f, configCache), context);
+            }
+        }
+    }
+
+    private void createFile(File filename, FileToCreate f, Context context) throws IOException, HGSEvalException, ParserException {
+        Parser p;
+        String content = f.getContent();
+        if (f.isFilter()) {
+            context.clearOutput();
+            p = new Parser(content);
+            p.parse().execute(context);
+            content = context.toString();
+        }
+
+        try (OutputStream out = getIoInterface().getOutputStream(filename)) {
+            out.write(content.getBytes());
+        }
+    }
+
+
+    private FileToCreate resolveFileContent(FileToCreate f, ConfigCache configCache) throws IOException {
         if (f.hasContent())
             return f;
 
-        if (origin == null)
+        Configuration c = configCache.getConfig(f.getReferenceFilename());
-            throw new IOException("no origin file given");
+        return c.getFileById(f.getReferenceId(), configCache);
-
-        Configuration c = Configuration.load(new File(origin.getParentFile(), f.getReferenceFilename()));
-        return c.getFileById(f.getReferenceId());
     }
 
-    private FileToCreate getFileById(String referenceId) throws IOException {
+    private FileToCreate getFileById(String referenceId, ConfigCache configCache) throws IOException {
         for (FileToCreate f : files)
             if (referenceId.equals(f.getId()))
-                return resolveFileContent(f);
+                return resolveFileContent(f, configCache);
         throw new IOException("no file with id " + referenceId + " given");
     }
 
-    private final class ExecuteAction extends AbstractAction {
-        private final Command command;
-
-        private ExecuteAction(Command command) {
-            super(command.getName());
-            this.command = command;
-        }
-
-        @Override
-        public void actionPerformed(ActionEvent actionEvent) {
-            executeCommand(command);
-        }
-    }
-
     ArrayList<Command> getCommands() {
         return commands;
     }
@@ -374,11 +389,10 @@ public final class Configuration {
          *
          * @param command the command started
          * @param dir     the folder to start the process in
-         * @param gui     true if app has a gui
          * @param args    the arguments
          * @throws IOException IOException
          */
-        void startProcess(Command command, File dir, boolean gui, String[] args) throws IOException;
+        void startProcess(Command command, File dir, String[] args) throws IOException;
 
         /**
          * Shows an error message
@@ -402,29 +416,17 @@ public final class Configuration {
         }
 
         @Override
-        public void startProcess(Command command, File dir, boolean gui, String[] args) throws IOException {
+        public void startProcess(Command command, File dir, String[] args) throws IOException {
-            OSExecute os = new OSExecute(args)
+            String consoleOut = new OSExecute(args)
                     .setTimeOutSec(command.getTimeout())
-                    .setWorkingDir(dir);
+                    .setWorkingDir(dir)
-            if (gui)
+                    .startAndWait();
-                os.startInThread(new OSExecute.ProcessCallback() {
-                    @Override
-                    public void processTerminated(String consoleOut) {
             LOGGER.info("process '" + command.getName() + "' says:\n" + consoleOut);
         }
 
-                    @Override
-                    public void exception(Exception e) {
-                        showError(command, e);
-                    }
-                });
-            else
-                os.startAndWait();
-        }
-
         @Override
         public void showError(Command command, Exception e) {
-            new ErrorMessage(Lang.get("msg_errorStartCommand_N", command.getName())).addCause(e).show();
+            SwingUtilities.invokeLater(new ErrorMessage(Lang.get("msg_errorStartCommand_N", command.getName())).addCause(e));
         }
     }
 

src/test/java/de/neemann/digital/ide/ConfigurationTest.java

@@ -19,7 +19,7 @@ import java.util.HashMap;
 
 public class ConfigurationTest extends TestCase {
 
-    public void testStart() throws IOException, ElementNotFoundException, PinException, NodeException {
+    public void testStart() throws IOException, ElementNotFoundException, PinException, NodeException, InterruptedException {
         String xml = "<ide name=\"APIO\">\n" +
                 "    <commands>\n" +
                 "        <command name=\"build\" requires=\"verilog\" filter=\"false\">\n" +
@@ -44,7 +44,7 @@ public class ConfigurationTest extends TestCase {
         ArrayList<Command> commands = c.getCommands();
         assertEquals(2, commands.size());
 
-        c.executeCommand(commands.get(0));
+        c.executeCommand(commands.get(0), null).join();
 
         assertEquals(1, fileWriter.files.size());
         assertTrue(fileWriter.files.containsKey("z/test.v"));
@@ -54,7 +54,7 @@ public class ConfigurationTest extends TestCase {
         assertEquals("[make]", Arrays.toString(fileWriter.commands.get(0).args));
 
         fileWriter.clear();
-        c.executeCommand(commands.get(1));
+        c.executeCommand(commands.get(1), null).join();
 
         assertEquals(1, fileWriter.files.size());
         assertTrue(fileWriter.files.containsKey("z/test.v"));
@@ -64,7 +64,7 @@ public class ConfigurationTest extends TestCase {
         assertEquals("[make, z/test.v]", Arrays.toString(fileWriter.commands.get(0).args));
     }
 
-    public void testFileWriter() throws IOException, ElementNotFoundException, PinException, NodeException {
+    public void testFileWriter() throws IOException, ElementNotFoundException, PinException, NodeException, InterruptedException {
         String xml = "<ide name=\"APIO\">\n" +
                 "    <commands>\n" +
                 "        <command name=\"build\" requires=\"verilog\" filter=\"false\">\n" +
@@ -96,7 +96,7 @@ public class ConfigurationTest extends TestCase {
         ArrayList<Command> commands = c.getCommands();
         assertEquals(1, commands.size());
 
-        c.executeCommand(commands.get(0));
+        c.executeCommand(commands.get(0), null).join();
 
         assertEquals(4, fileWriter.files.size());
         assertEquals("deal with <?=path?>", fileWriter.files.get("z/file1").toString());
@@ -117,7 +117,7 @@ public class ConfigurationTest extends TestCase {
         }
 
         @Override
-        public void startProcess(Command command, File dir, boolean gui, String[] args) {
+        public void startProcess(Command command, File dir, String[] args) {
             commands.add(new StartedCommand(dir, args));
         }
 

src/test/java/de/neemann/digital/ide/ReferenceTest.java

@@ -17,7 +17,7 @@ import java.io.IOException;
 
 public class ReferenceTest extends TestCase {
 
-    public void testRef() throws IOException, ElementNotFoundException, PinException, NodeException {
+    public void testRef() throws IOException, ElementNotFoundException, PinException, NodeException, InterruptedException {
         File f = new File(Resources.getRoot(),"ide/main.xml");
         ToBreakRunner br = new ToBreakRunner(new File(Resources.getRoot(), "dig/hdl/negSimple.dig"));
         Configuration c = Configuration.load(f)
@@ -26,7 +26,7 @@ public class ReferenceTest extends TestCase {
                 .setCircuitProvider(br::getCircuit);
         final ConfigurationTest.TestIOInterface ioInterface = new ConfigurationTest.TestIOInterface();
         c.setIoInterface(ioInterface);
-        c.executeCommand(c.getCommands().get(0));
+        c.executeCommand(c.getCommands().get(0),null).join();
 
         assertEquals("Test content", ioInterface.getFiles().get("z/test1.txt").toString());
         assertEquals("deep content", ioInterface.getFiles().get("z/test2.txt").toString());