process: exit on --debug and --debug-brk after option parsing

Moves the exit of `--debug` and `--debug-brk` earlier, that is,
after the option parsing is done in the C++ land.

Also removes `process._invalidDebug`.

PR-URL: #25828
Refs: #12949
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Eugene Ostroukhov <[email protected]>
Reviewed-By: Richard Lau <[email protected]>
Reviewed-By: Matteo Collina <[email protected]>

Author: joyeecheung

lib/internal/bootstrap/node.js

@@ -204,13 +204,7 @@ Object.defineProperty(process, 'argv0', {
 process.argv[0] = process.execPath;
 
 // Handle `--debug*` deprecation and invalidation.
-if (process._invalidDebug) {
-  process.emitWarning(
-    '`node --debug` and `node --debug-brk` are invalid. ' +
-    'Please use `node --inspect` or `node --inspect-brk` instead.',
-    'DeprecationWarning', 'DEP0062', undefined, true);
-  process.exit(9);
-} else if (process._deprecatedDebugBrk) {
+if (process._deprecatedDebugBrk) {
   process.emitWarning(
     '`node --inspect --debug-brk` is deprecated. ' +
     'Please use `node --inspect-brk` instead.',

src/node_options.cc

@@ -30,6 +30,12 @@ void DebugOptions::CheckOptions(std::vector<std::string>* errors) {
                       "--without-v8-platform");
   }
 #endif
+
+  if (deprecated_debug && !inspector_enabled) {
+    errors->push_back("[DEP0062]: `node --debug` and `node --debug-brk` "
+                      "are invalid. Please use `node --inspect` or "
+                      "`node --inspect-brk` instead.");
+  }
 }
 
 void PerProcessOptions::CheckOptions(std::vector<std::string>* errors) {

src/node_options.h

@@ -81,10 +81,6 @@ class DebugOptions : public Options {
       break_first_line;
   }
 
-  bool invalid_invocation() const {
-    return deprecated_debug && !inspector_enabled;
-  }
-
   bool wait_for_connect() const {
     return break_first_line || break_node_first_line;
   }

src/node_process_object.cc

@@ -265,12 +265,6 @@ MaybeLocal<Object> CreateProcessObject(
                                 "_deprecatedDebugBrk", True(env->isolate()));
   }
 
-  // --debug or, --debug-brk without --inspect
-  if (env->options()->debug_options().invalid_invocation()) {
-    READONLY_DONT_ENUM_PROPERTY(process,
-                                "_invalidDebug", True(env->isolate()));
-  }
-
   // --security-revert flags
 #define V(code, _, __)                                                        \
   do {                                                                        \