Bug 455408 - Show GDB version at startup

Change-Id: Ib22d98d31ed2c03c3ef3a0b5a22f8a22c6ee3e50
Signed-off-by: Marc Khouzam <marc.khouzam@ericsson.com>
Reviewed-on: https://git.eclipse.org/r/38387
Reviewed-by: Mikhail Khodjaiants <mikhailkhod@googlemail.com>
Tested-by: Mikhail Khodjaiants <mikhailkhod@googlemail.com>

dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/gdb/launching/FinalLaunchSequence.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2008, 2012 Ericsson and others.
+ * Copyright (c) 2008, 2014 Ericsson and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -15,6 +15,7 @@
  *     Mathias Kunter - Support for different charsets (bug 370462)
  *     Anton Gorenkov - A preference to use RTTI for variable types determination (Bug 377536)
  *     Xavier Raynaud (Kalray) - Avoid duplicating fields in sub-classes (add protected accessors)
+ *     Marc Khouzam (Ericsson) - Output the version of GDB at startup (Bug 455408)
  *******************************************************************************/
 package org.eclipse.cdt.dsf.gdb.launching;
 
@@ -45,6 +46,7 @@ import org.eclipse.cdt.dsf.gdb.service.command.IGDBControl;
 import org.eclipse.cdt.dsf.mi.service.CSourceLookup;
 import org.eclipse.cdt.dsf.mi.service.IMIProcesses;
 import org.eclipse.cdt.dsf.mi.service.command.CommandFactory;
+import org.eclipse.cdt.dsf.mi.service.command.output.MIGDBVersionInfo;
 import org.eclipse.cdt.dsf.mi.service.command.output.MIInfo;
 import org.eclipse.cdt.dsf.service.DsfServicesTracker;
 import org.eclipse.cdt.dsf.service.DsfSession;
@@ -100,6 +102,7 @@ public class FinalLaunchSequence extends ReflectionSequence {
 			return new String[] {
 					"stepInitializeFinalLaunchSequence",   //$NON-NLS-1$
 					// Global GDB settings
+					"stepGDBVersion",   //$NON-NLS-1$
 					"stepSetEnvironmentDirectory",   //$NON-NLS-1$
 					"stepSetBreakpointPending",    //$NON-NLS-1$
 					"stepEnablePrettyPrinting",    //$NON-NLS-1$
@@ -176,6 +179,23 @@ public class FinalLaunchSequence extends ReflectionSequence {
 		requestMonitor.done();
 	}
 
+	/**
+	 * Print the version of GDB. 
+	 * @since 4.6 
+	 */
+	@Execute
+	public void stepGDBVersion(final RequestMonitor requestMonitor) {
+		fCommandControl.queueCommand(
+				fCommandFactory.createMIGDBVersion(fCommandControl.getContext()), 
+				new DataRequestMonitor<MIGDBVersionInfo>(getExecutor(), requestMonitor) {
+					@Override
+					protected void handleCompleted() {
+						// Accept failures
+						requestMonitor.done();
+					}
+				});
+	}
+
 	/**
 	 * Specify GDB's working directory. 
 	 * @since 4.0 

dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/mi/service/command/CommandFactory.java

@@ -25,6 +25,7 @@
  *     Dmitry Kozlov (Mentor Graphics) - New trace-related methods (Bug 390827)
  *     Alvaro Sanchez-Leon (Ericsson AB) - [Memory] Support 16 bit addressable size (Bug 426730)
  *     Marc Khouzam (Ericsson) - Support for dynamic printf (Bug 400638)
+ *     Marc Khouzam (Ericsson) - Support for -gdb-version (Bug 455408)
  *******************************************************************************/
 
 package org.eclipse.cdt.dsf.mi.service.command;
@@ -137,6 +138,7 @@ import org.eclipse.cdt.dsf.mi.service.command.commands.MIGDBSetTraceNotes;
 import org.eclipse.cdt.dsf.mi.service.command.commands.MIGDBSetTraceUser;
 import org.eclipse.cdt.dsf.mi.service.command.commands.MIGDBShowExitCode;
 import org.eclipse.cdt.dsf.mi.service.command.commands.MIGDBShowLanguage;
+import org.eclipse.cdt.dsf.mi.service.command.commands.MIGDBVersion;
 import org.eclipse.cdt.dsf.mi.service.command.commands.MIInferiorTTYSet;
 import org.eclipse.cdt.dsf.mi.service.command.commands.MIInfoOs;
 import org.eclipse.cdt.dsf.mi.service.command.commands.MIInterpreterExec;
@@ -205,6 +207,7 @@ import org.eclipse.cdt.dsf.mi.service.command.output.MIDataReadMemoryInfo;
 import org.eclipse.cdt.dsf.mi.service.command.output.MIDataWriteMemoryInfo;
 import org.eclipse.cdt.dsf.mi.service.command.output.MIGDBShowExitCodeInfo;
 import org.eclipse.cdt.dsf.mi.service.command.output.MIGDBShowLanguageInfo;
+import org.eclipse.cdt.dsf.mi.service.command.output.MIGDBVersionInfo;
 import org.eclipse.cdt.dsf.mi.service.command.output.MIInfo;
 import org.eclipse.cdt.dsf.mi.service.command.output.MIInfoOsInfo;
 import org.eclipse.cdt.dsf.mi.service.command.output.MIListFeaturesInfo;
@@ -823,6 +826,11 @@ public class CommandFactory {
 		return new MIGDBShowLanguage(ctx);
 	}
 
+	/** @since 4.6 */
+	public ICommand<MIGDBVersionInfo> createMIGDBVersion(ICommandControlDMContext ctx) {
+		return new MIGDBVersion(ctx);
+	}
+	
 	/** @since 4.0 */
 	public ICommand<MIInfo> createMIInferiorTTYSet(IMIContainerDMContext dmc, String tty) {
 		return new MIInferiorTTYSet(dmc, tty);

dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/mi/service/command/commands/MIGDBVersion.java

@@ -0,0 +1,36 @@
+/*******************************************************************************
+ * Copyright (c) 2014 Ericsson and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *   Marc Khouzam (Ericsson) - Initial API and implementation
+ *******************************************************************************/
+package org.eclipse.cdt.dsf.mi.service.command.commands;
+
+import org.eclipse.cdt.dsf.debug.service.command.ICommandControlService.ICommandControlDMContext;
+import org.eclipse.cdt.dsf.mi.service.command.output.MIGDBVersionInfo;
+import org.eclipse.cdt.dsf.mi.service.command.output.MIInfo;
+import org.eclipse.cdt.dsf.mi.service.command.output.MIOutput;
+
+/**
+ * 
+ *     -gdb-version
+ *     
+ * @since 4.6
+ * 
+ */
+public class MIGDBVersion extends MICommand<MIGDBVersionInfo> {
+	private static final String COMMAND = "-gdb-version"; //$NON-NLS-1$
+	
+	public MIGDBVersion(ICommandControlDMContext ctx) {
+        super(ctx, COMMAND);
+    }
+
+	@Override
+	public MIInfo getResult(MIOutput out) {
+		return new MIGDBVersionInfo(out);
+	}
+}

dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/mi/service/command/output/MIGDBVersionInfo.java

@@ -0,0 +1,77 @@
+/*******************************************************************************
+ * Copyright (c) 2014 Ericsson and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *   Marc Khouzam (Ericsson) - Initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.cdt.dsf.mi.service.command.output;
+
+import org.eclipse.cdt.dsf.gdb.launching.LaunchUtils;
+import org.eclipse.cdt.dsf.mi.service.command.output.MIConsoleStreamOutput;
+import org.eclipse.cdt.dsf.mi.service.command.output.MIInfo;
+import org.eclipse.cdt.dsf.mi.service.command.output.MIOOBRecord;
+import org.eclipse.cdt.dsf.mi.service.command.output.MIOutput;
+import org.eclipse.cdt.dsf.mi.service.command.output.MIStreamRecord;
+
+/**
+ * '-gdb-version' Show version information for gdb.
+ *
+ * sample output:
+ * 
+ * -gdb-version
+ * ~"GNU gdb (Ubuntu 7.7-0ubuntu3.1) 7.7\n"
+ * ~"Copyright (C) 2014 Free Software Foundation, Inc.\n"
+ * ~"License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\nThis is free software: you are free to change and redistribute it.\nThere is NO WARRANTY, to the extent permitted by law.  Type \"show copying\"\nand \"show warranty\" for details.\n"
+ * ~"This GDB was configured as \"x86_64-linux-gnu\".\nType \"show configuration\" for configuration details."
+ * ~"\nFor bug reporting instructions, please see:\n"
+ *  ~"<http://www.gnu.org/software/gdb/bugs/>.\n"
+ * ~"Find the GDB manual and other documentation resources online at:\n<http://www.gnu.org/software/gdb/documentation/>.\n"
+ * ~"For help, type \"help\".\n"
+ * ~"Type \"apropos word\" to search for commands related to \"word\".\n"
+ * ^done
+ *
+ * @since 4.6
+ */
+public class MIGDBVersionInfo extends MIInfo {
+
+	private String fVersion;
+	private String fFullOutput;
+	
+	public MIGDBVersionInfo(MIOutput record) {
+		super(record);
+		parse();
+	}
+
+	protected void parse() {
+		if (isDone()) {
+			MIOutput out = getMIOutput();
+			MIOOBRecord[] records = out.getMIOOBRecords();
+			StringBuilder builder = new StringBuilder();
+			for(MIOOBRecord rec : records) {
+                if (rec instanceof MIConsoleStreamOutput) {
+                    MIStreamRecord o = (MIStreamRecord)rec;
+                    builder.append(o.getString());
+                }
+			}
+			fFullOutput = builder.toString();
+			fVersion = parseVersion(fFullOutput);
+		}
+	}
+
+	protected String parseVersion(String output) {
+		return LaunchUtils.getGDBVersionFromText(output);
+	}
+	
+	public String getFullOutput() {
+		return fFullOutput;
+	}
+
+	public String getVersion() {
+		return fVersion;
+	}
+}