Add a command to view the rendered build results

Author: ehuss

RustEnhanced.sublime-commands

@@ -56,6 +56,10 @@
         "caption": "Rust: Open Debug Log",
         "command": "rust_open_log"
     },
+    {
+        "caption": "Rust: Open Last Build Output As View",
+        "command": "rust_show_build_output"
+    },
     {
         "caption": "Rust: Popup Message At Cursor",
         "command": "rust_message_popup"

SyntaxCheckPlugin.py

@@ -67,6 +67,7 @@ class RustSyntaxCheckThread(rust_thread.RustThread, rust_proc.ProcListener):
     def __init__(self, view):
         self.view = view
         self.window = view.window()
+        self.rendered = []
         super(RustSyntaxCheckThread, self).__init__(view.window())
 
     def run(self):
@@ -190,23 +191,37 @@ def get_rustc_messages(self):
     #########################################################################
 
     def on_begin(self, proc):
-        pass
+        self.rendered.append('[Running: %s]' % (' '.join(proc.cmd),))
 
     def on_data(self, proc, data):
         log.log(self.window, data)
+        self.rendered.append(data)
 
     def on_error(self, proc, message):
         log.critical(self.window, 'Rust Error: %s', message)
+        self.rendered.append(message)
 
     def on_json(self, proc, obj):
-        messages.add_rust_messages(self.window, self.msg_rel_path, obj,
+        try:
+            message = obj['message']
+        except KeyError:
+            return
+        messages.add_rust_messages(self.window, self.msg_rel_path, message,
                                    self.current_target_src, msg_cb=None)
         if messages.has_message_for_path(self.window,
                                          self.triggered_file_name):
             self.this_view_found = True
+        try:
+            self.rendered.append(message['rendered'])
+        except KeyError:
+            pass
 
     def on_finished(self, proc, rc):
         log.log(self.window, 'On-save check finished.')
+        # TODO: Also put message in self.rendered about [Finished in …]
+        # TODO: Figure out how to share all this code between here and opanel
+        win_info = messages.get_or_init_window_info(self.window)
+        win_info['rendered'] = ''.join(self.rendered)
 
     def on_terminated(self, proc):
         log.log(self.window, 'Process Interrupted')

cargo_build.py

@@ -521,6 +521,22 @@ def on_selection_modified_async(self):
         messages.update_status(view)
 
 
+class RustShowBuildOutput(sublime_plugin.WindowCommand):
+
+    """Opens a view with the rustc-rendered compiler output."""
+
+    def run(self):
+        view = self.window.new_file()
+        view.set_scratch(True)
+        view.set_name('Rust Enhanced Build Output')
+        view.assign_syntax('Cargo.sublime-syntax')
+        win_info = messages.get_or_init_window_info(self.window)
+        output = win_info['rendered']
+        if output == '':
+            output = "No output available for this window."
+        view.run_command('append', {'characters': output})
+
+
 class RustEventListener(sublime_plugin.EventListener):
 
     def on_activated_async(self, view):

rust/messages.py

@@ -21,11 +21,13 @@
 # Value is a dictionary: {
 #     'paths': {path: [MessageBatch, ...]},
 #     'batch_index': (path_idx, message_idx),
-#     'hidden': bool
+#     'hidden': bool,
+#     'rendered': string,
 # }
 # `paths` is an OrderedDict to handle next/prev message.
 # `path` is the absolute path to the file.
 # `hidden` indicates that all messages have been dismissed.
+# `rendered` is the rustc-rendered output
 WINDOW_MESSAGES = {}
 
 
@@ -1180,16 +1182,8 @@ def _save_batches(window, batches, msg_cb):
     - Displays phantoms if a view is already open.
     - Calls `msg_cb` for each individual message.
     """
-    wid = window.id()
-    try:
-        path_to_batches = WINDOW_MESSAGES[wid]['paths']
-    except KeyError:
-        path_to_batches = collections.OrderedDict()
-        WINDOW_MESSAGES[wid] = {
-            'paths': path_to_batches,
-            'batch_index': (-1, -1),
-            'hidden': False,
-        }
+    win_info = get_or_init_window_info(window)
+    path_to_batches = win_info['paths']
 
     for batch in batches:
         path_batches = path_to_batches.setdefault(batch.path(), [])
@@ -1198,7 +1192,7 @@ def _save_batches(window, batches, msg_cb):
         path_batches.append(batch)
         for i, msg in enumerate(batch):
             msg.region_key = 'rust-%i' % (num + i,)
-        if not WINDOW_MESSAGES[wid]['hidden']:
+        if not win_info['hidden']:
             views = util.open_views_for_file(window, batch.path())
             if views:
                 # Phantoms seem to be attached to the buffer.
@@ -1208,3 +1202,18 @@ def _save_batches(window, batches, msg_cb):
             if msg_cb:
                 for msg in batch:
                     msg_cb(msg)
+
+
+def get_or_init_window_info(window):
+    wid = window.id()
+    try:
+        return WINDOW_MESSAGES[wid]
+    except KeyError:
+        win_info = {
+            'paths': collections.OrderedDict(),
+            'batch_index': (-1, -1),
+            'hidden': False,
+            'rendered': '',
+        }
+        WINDOW_MESSAGES[wid] = win_info
+        return win_info

rust/opanel.py

@@ -71,6 +71,7 @@ def __init__(self, window, base_path, command_name, rustc_version):
         self.base_path = base_path
         self.command_name = command_name
         self.rustc_version = rustc_version
+        self.rendered = []
 
     def on_begin(self, proc):
         self.output_view = create_output_panel(self.window, self.base_path)
@@ -114,9 +115,16 @@ def on_error(self, proc, message):
         self._append(message)
 
     def on_json(self, proc, obj):
-        if 'message' in obj:
-            messages.add_rust_messages(self.window, self.base_path, obj['message'],
-                                       None, self.msg_cb)
+        try:
+            message = obj['message']
+        except KeyError:
+            return
+        messages.add_rust_messages(self.window, self.base_path, message,
+                                   None, self.msg_cb)
+        try:
+            self.rendered.append(message['rendered'])
+        except KeyError:
+            pass
 
     def msg_cb(self, message):
         """Display the message in the output panel.  Also marks the message
@@ -155,6 +163,8 @@ def on_finished(self, proc, rc):
         # Tell Sublime to find all of the lines with pattern from
         # result_file_regex.
         self.output_view.find_all_results()
+        win_info = messages.get_or_init_window_info(self.window)
+        win_info['rendered'] = ''.join(self.rendered)
 
     def on_terminated(self, proc):
         self._append('[Build interrupted]')
@@ -163,6 +173,7 @@ def _append(self, message, nl=True):
         if nl:
             message += '\n'
         _append(self.output_view, message)
+        self.rendered.append(message)
 
     def _display_debug(self, proc):
         # Display some information to help the user debug any build problems.