feat: Support program parameter in attach configurations (#14046) #14108
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@Subham-KRLX It looks like there are compile errors: src/Debugger/configurationProvider.ts(361,40): error TS2339: Property 'findProcessByProgramName' does not exist on type 'DebugConfigurationProvider'. |
Move the findProcessByProgramName private method from ConfigurationSnippetProvider class to DebugConfigurationProvider class where it belongs and is called. This fixes: - TS2339: Property 'findProcessByProgramName' does not exist on type 'DebugConfigurationProvider' - TS6133: 'findProcessByProgramName' is declared but its value is never read
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@sean-mcmanus We've resolved both compilation errors by moving the findProcessByProgramName method to the correct location inside the DebugConfigurationProvider class. The fix has been committed and pushed to the feature/attach-by-program-name branch. The TypeScript compilation errors are now resolved. |
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@sean-mcmanus I just want to add that I am also really interested in this feature. It seems to have been sitting for over a month waiting for a review, so I'm bumping this in case people forgot. |
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Why are there Code Sample changes? Can you remove those? Aren't those changes in a separate PR already?
Why is there an MIEngine_Debug subproject added? Can that be removed?
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@sean-mcmanus I have cleaned up the PR by reverting the unrelated Code Samples changes and removing the MIEngine_Debug subproject. The PR now only contains the relevant changes for supporting the program parameter in attach configurations. |
@Subham-KRLX I still see the Code Sample changes, not reverted. |
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@sean-mcmanus I have thoroughly reverted all unrelated Code Samples changes by syncing with upstream/main and removed the MIEngine_Debug subproject. |
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@Subham-KRLX I've started reviewing this. I think I can finish tomorrow. |
Extension/package.nls.json
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| "{Locked=\"`program`\"} {Locked=\"`processId`\"}" | ||
| ] | ||
| }, | ||
| "c_cpp.debuggers.symbolSearchPath.description": "Semicolon separated list of directories to use to search for .so files. Example: \"c:\\dir1;c:\\dir2\".", |
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On Windows with MSVC it uses .pdb files and not so files, so the description could be something like search for symbols (that is, pdb or .so files).
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Fixed in 4046187 - Updated to "search for symbol (that is, pdb or .so) files"
Extension/package.nls.json
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| }, | ||
| "c_cpp.debuggers.symbolSearchPath.description": "Semicolon separated list of directories to use to search for symbol (that is, pdb) files. Example: \"c:\\dir1;c:\\dir2\".", | ||
| "c_cpp.debuggers.program.attach.markdownDescription": { | ||
| "message": "Optional full path to program executable. When specified, the debugger will search for a running process matching this executable name and attach to it. If multiple processes match, a selection prompt will be shown. Use either `program` or `processId`, not both.", |
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Should executable name be executable path?
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Changed "executable name" to "executable path"
Extension/package.nls.json
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| }, | ||
| "c_cpp.debuggers.symbolSearchPath.description": "Semicolon separated list of directories to use to search for symbol (that is, pdb) files. Example: \"c:\\dir1;c:\\dir2\".", | ||
| "c_cpp.debuggers.program.attach.markdownDescription": { | ||
| "message": "Optional full path to program executable. When specified, the debugger will search for a running process matching this executable name and attach to it. If multiple processes match, a selection prompt will be shown. Use either `program` or `processId`, not both.", |
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path to program executable should be path to the program executable.
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Changed to "path to the program executable"
| const remoteAttachPicker: RemoteAttachPicker = new RemoteAttachPicker(); | ||
| processId = await remoteAttachPicker.ShowAttachEntries(config); | ||
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| // If program is specified, try to find matching process by name |
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matching process by name->the matching process by name.
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Updated comment to "try to find the matching process by name"
| const attachItemsProvider: AttachItemsProvider = NativeAttachItemsProviderFactory.Get(); | ||
| const attacher: AttachPicker = new AttachPicker(attachItemsProvider); | ||
| processId = await attacher.ShowAttachEntries(token); | ||
| // Show process picker if no program specified |
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Show process picker if no program specified->Show the process picker if no program is specified.
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| // Find processes matching the program name | ||
| const matchingProcesses: AttachItem[] = processes.filter(p => { | ||
| const processName: string = p.label.toLowerCase(); |
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The toLowerCase should only be used on Windows where the paths are case insensitive.
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Case-insensitive matching is now restricted to Windows only using the isWindows check.
| // Find processes matching the program name | ||
| const matchingProcesses: AttachItem[] = processes.filter(p => { | ||
| const processName: string = p.label.toLowerCase(); | ||
| const targetName: string = programBaseName.toLowerCase(); |
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This should be moved out of the lambda and into a local variable at the out scope to avoid unnecessarily calling it more than once.
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And you could use something like
if (isWindows) {
targetName = targetName.endsWith(".exe") ? targetName : (targetName + ".exe");
}
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targetName computation moved outside the filter lambda with .exe suffix logic for Windows included.
| const processName: string = p.label.toLowerCase(); | ||
| const targetName: string = programBaseName.toLowerCase(); | ||
| // Match if the process name exactly matches or starts with the target name | ||
| return processName === targetName || processName.startsWith(targetName); |
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Can you remove this startsWith to prevent the an unintended process from being accidentally attached to?
| return matchingProcesses[0].id; | ||
| } else { | ||
| // Multiple matches - let user choose | ||
| void logger.getOutputChannelLogger().appendLine( |
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This logging is unnecessary -- users will see the quick pick UI and not see the logging.
| return undefined; | ||
| } else if (matchingProcesses.length === 1) { | ||
| void logger.getOutputChannelLogger().appendLine( | ||
| `Found process "${matchingProcesses[0].label}" with PID ${matchingProcesses[0].id}` |
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There's no need to log here.
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@sean-mcmanus I have addressed all review items in commit 4046187. This update restricts case-insensitivity to Windows, adds path validation, ensures exact process matching, and implements a silent fallback to the process picker. I have also removed all internal logging and corrected the documentation strings in
package.nls.json.
- Move remote attach check to beginning (silent fallback) - Validate program path before processing - Make case-sensitive matching OS-specific (Windows only) - Remove startsWith matching (exact match only) - Optimize targetName outside lambda with .exe suffix on Windows - Remove all logging statements - Fall back to process picker instead of showing errors - Fix grammar in comments (add 'the' articles) - Update descriptions in package.nls.json for clarity
3 participants
Fixes #14046
Add support for program parameter in attach configurations to attach to processes by executable name, similar to LLDB extension.
Example:
json
{
"type": "cppvsdbg",
"request": "attach",
"program": "myprogram.exe"
}
Automatically finds matching process, prompts if multiple matches. Backward compatible with existing processId configurations.