wscript: add generate tasklist for use by vscode extension

wscript

@@ -7,12 +7,15 @@ import os.path
 import os
 import sys
 import subprocess
+import json
+import fnmatch
 sys.path.insert(0, 'Tools/ardupilotwaf/')
 
 import ardupilotwaf
 import boards
 
 from waflib import Build, ConfigSet, Configure, Context, Utils
+from waflib.Configure import conf
 
 # TODO: implement a command 'waf help' that shows the basic tasks a
 # developer might want to do: e.g. how to configure a board, compile a
@@ -40,6 +43,9 @@ def _set_build_context_variant(board):
         c.variant = board
 
 def init(ctx):
+    # Generate Task List, so that VS Code extension can keep track
+    # of changes to possible build targets
+    generate_tasklist(ctx, False)
     env = ConfigSet.ConfigSet()
     try:
         p = os.path.join(Context.out_dir, Build.CACHE_DIR, Build.CACHE_SUFFIX)
@@ -399,6 +405,39 @@ def collect_dirs_to_recurse(bld, globs, **kw):
 def list_boards(ctx):
     print(*boards.get_boards_names())
 
+@conf
+def ap_periph_boards(ctx):
+    return boards.get_ap_periph_boards()
+
+def generate_tasklist(ctx, do_print=True):
+    boardlist = boards.get_boards_names()
+    ap_periph_targets = boards.get_ap_periph_boards()
+    tasks = []
+    with open(os.path.join(Context.top_dir, "tasklist.json"), "w") as tlist:
+        for board in boardlist:
+            task = {}
+            task['configure'] = board
+            if board in ap_periph_targets:
+                if 'sitl' not in board:
+                    # we only support AP_Periph and bootloader builds
+                    task['targets'] = ['AP_Periph', 'bootloader']
+                else:
+                    task['targets'] = ['AP_Periph']
+            elif 'iofirmware' in board:
+                task['targets'] = ['iofirmware', 'bootloader']
+            else:
+                if 'sitl' in board or 'SITL' in board:
+                    task['targets'] = ['antennatracker', 'copter', 'heli', 'plane', 'rover', 'sub', 'replay']
+                elif 'linux' in board:
+                    task['targets'] = ['antennatracker', 'copter', 'heli', 'plane', 'rover', 'sub']
+                else:
+                    task['targets'] = ['antennatracker', 'copter', 'heli', 'plane', 'rover', 'sub', 'bootloader']
+                    task['buildOptions'] = '--upload'
+            tasks.append(task)
+        tlist.write(json.dumps(tasks))
+        if do_print:
+            print(json.dumps(tasks))
+
 def board(ctx):
     env = ConfigSet.ConfigSet()
     try: