src,lib: v8-inspector support

This change introduces experimental v8-inspector support. This brings
the DevTools debug protocol allowing Node.js to be debugged with
Chrome DevTools native, or through other debuggers supporting that
protocol.

Partial WebSocket support, to the extent required by DevTools, is
included. This is derived from the implementation in Blink.

v8-inspector support can be disabled by the --without-inspector
configure flag.

PR-URL: https://github.com/nodejs/node/pull/6792
Reviewed-By: jasnell - James M Snell <jasnell@gmail.com>
Reviewed-By: addaleax - Anna Henningsen <anna@addaleax.net>
Reviewed-By: bnoordhuis - Ben Noordhuis <info@bnoordhuis.nl>

1 files changed, 6 insertions, 0 deletions

diff --git a/configure b/configure
index 10fd1b5fff..f7a3f41ae0 100755
--- a/configure
+++ b/configure
@@ -415,6 +415,11 @@ parser.add_option('--no-browser-globals',
     help='do not export browser globals like setTimeout, console, etc. ' +
          '(This mode is not officially supported for regular applications)')
 
+parser.add_option('--without-inspector',
+    action='store_true',
+    dest='without_inspector',
+    help='disable experimental V8 inspector support')
+
 (options, args) = parser.parse_args()
 
 # Expand ~ in the install prefix now, it gets written to multiple files.
@@ -810,6 +815,7 @@ def configure_node(o):
     o['variables']['library_files'] = options.linked_module
 
   o['variables']['asan'] = int(options.enable_asan or 0)
+  o['variables']['v8_inspector'] = b(not options.without_inspector)
 
   if options.use_xcode and options.use_ninja:
     raise Exception('--xcode and --ninja cannot be used together.')