feat: introducing serial_port dynamic variable

bundles/com.espressif.idf.core/OSGI-INF/l10n/bundle.properties

@@ -6,3 +6,4 @@ openocd_exe = openocd executable file
 openocd_scripts = OPENOCD_SCRIPTS represents the value specified in environment variables
 jtag_flash_args = JTAG_FLASH_ARGS dynamically converts ${JTAG_FLASH_ARGS} into a command line with -c and -f options. These options are generated based on the current launch target, configuring settings like flash voltage and specifying configuration files for the JTAG interface and target device.
 gdb_client_executable = GDB_CLIENT_EXECUTABLE is a dynamic variable that is replaced during the debug session with the appropriate toolchain path automatically based on the selected target.
+serial_port = serial_port is a dynamic variable that is replaced by the serial port specified in the launch target

bundles/com.espressif.idf.core/plugin.xml

@@ -336,5 +336,10 @@ config-only component and an interface library is created instead."
            name="GDB_CLIENT_EXECUTABLE"
            resolver="com.espressif.idf.core.variable.GdbClientVariableResolver">
      </variable>
+     <variable
+           description="%serial_port"
+           name="serial_port"
+           resolver="com.espressif.idf.core.variable.UartVariableResolver">
+     </variable>
   </extension>
 </plugin>

bundles/com.espressif.idf.core/src/com/espressif/idf/core/variable/UartDynamicVariable.java

@@ -0,0 +1,18 @@
+package com.espressif.idf.core.variable;
+
+public enum UartDynamicVariable
+{
+	SERIAL_PORT("serial_port"); //$NON-NLS-1$
+
+	private String value;
+
+	UartDynamicVariable(String value)
+	{
+		this.value = value;
+	}
+
+	public String getValue()
+	{
+		return value;
+	}
+}

bundles/com.espressif.idf.core/src/com/espressif/idf/core/variable/UartVariableResolver.java

@@ -0,0 +1,60 @@
+package com.espressif.idf.core.variable;
+
+import java.util.Arrays;
+import java.util.Optional;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.variables.IDynamicVariable;
+import org.eclipse.core.variables.IDynamicVariableResolver;
+import org.eclipse.launchbar.core.ILaunchBarManager;
+import org.eclipse.launchbar.core.target.ILaunchTarget;
+
+import com.espressif.idf.core.IDFCorePlugin;
+import com.espressif.idf.core.LaunchBarTargetConstants;
+import com.espressif.idf.core.logging.Logger;
+import com.espressif.idf.core.util.StringUtil;
+
+public class UartVariableResolver implements IDynamicVariableResolver
+{
+
+	public String resolveValue(IDynamicVariable variable, String argument)
+	{
+		return getAppropriateEnumVariable(variable).map(this::resolveForDynamicEnum).orElse(variable.getName());
+	}
+
+	private Optional<UartDynamicVariable> getAppropriateEnumVariable(IDynamicVariable variable)
+	{
+		return Arrays.stream(UartDynamicVariable.values()).filter(v -> v.getValue().equals(variable.getName()))
+				.findFirst();
+	}
+
+	private String resolveForDynamicEnum(UartDynamicVariable enumVariable)
+	{
+
+		return switch (enumVariable)
+		{
+		case SERIAL_PORT -> getSerialPort(); // $NON-NLS-1$
+		};
+	}
+
+	private String getSerialPort()
+	{
+		return getActiveLaunchTarget().orElseGet(() -> ILaunchTarget.NULL_TARGET)
+				.getAttribute(LaunchBarTargetConstants.SERIAL_PORT, StringUtil.EMPTY);
+	}
+
+	private Optional<ILaunchTarget> getActiveLaunchTarget()
+	{
+
+		try
+		{
+			return Optional.of(IDFCorePlugin.getService(ILaunchBarManager.class).getActiveLaunchTarget());
+		}
+		catch (CoreException e)
+		{
+			Logger.log(e);
+		}
+		return Optional.empty();
+	}
+
+}

bundles/com.espressif.idf.launch.serial.core/src/com/espressif/idf/launch/serial/internal/SerialFlashLaunchConfigDelegate.java

@@ -149,7 +149,6 @@ protected void launchInternal(ILaunchConfiguration configuration, String mode, I
 			return;
 		}
 		String arguments = configuration.getAttribute(IDFLaunchConstants.ATTR_SERIAL_FLASH_ARGUMENTS, espFlashCommand);
-		arguments = arguments.replace(ESPFlashUtil.SERIAL_PORT, serialPort);
 		arguments = varManager.performStringSubstitution(arguments);
 		if (!arguments.isEmpty())
 		{