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typescript.py
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typescript.py
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# -*- coding: utf-8 -*-
import sublime, sublime_plugin
from subprocess import Popen, PIPE
import subprocess
import json
from os import path
import os
from threading import Thread, RLock, Semaphore
from time import sleep, time
import re
import difflib
from core import project, install
from itertools import cycle, chain
from collections import defaultdict
class AtomicValue:
def __init__(self):
self.val = 0
self.lock = RLock()
def inc(self):
self.lock.acquire()
self.val += 1
self.lock.release()
def dec(self):
self.lock.acquire()
self.val -= 1
self.lock.release()
loading_files = AtomicValue()
ts_settings = sublime.load_settings("typescript.sublime-settings")
install.check_for_node()
do_compile = install.check_plugin_path()
plugin_path = ts_settings.get("plugin_path")
def install_helper():
loading_files.inc()
install.compile_plugin(plugin_path)
loading_files.dec()
thread_install = None
if install.needs_to_compile_plugin():
thread_install = Thread(target=install_helper)
thread_install.start()
# ========================== GENERAL HELPERS ======================= #
# === Helpers for async API calls
global async_api_result
async_api_result = None
async_call_lock = Semaphore()
def async_api_call(func, *args, **kwargs):
def timeout_func():
global async_api_result
async_api_result = func(*args, **kwargs)
async_call_lock.release()
async_call_lock.acquire()
sublime.set_timeout(timeout_func, 0)
async_call_lock.acquire()
async_call_lock.release()
return async_api_result
def is_ts(view):
return view.file_name() and view.file_name().endswith(".ts")
def get_all_text(view):
return view.substr(sublime.Region(0, view.size()))
def get_file_view(filename):
for w in sublime.windows():
for v in w.views():
if v.file_name() == filename:
return v
return None
def get_dep_text(filename):
view = get_file_view(filename)
if view:
return get_all_text(view)
else:
f = open(filename)
ct = f.read()
f.close()
return ct
def format_diffs(old_content, new_content):
seqmatcher = difflib.SequenceMatcher(None, old_content, new_content)
return [(oc[1], oc[2], new_content[oc[3]:oc[4]] if oc[0] in ['insert', 'replace'] else "")
for oc in seqmatcher.get_opcodes()
if oc[0] in ['insert', 'delete', 'replace']]
prefixes = {
"method": u"◉",
"property": u"●",
"class":u"◆",
"interface":u"◇",
"keyword":u"∆",
"variable": u"∨",
}
js_id_re = re.compile(
ur'^[_$a-zA-Z\u00FF-\uFFFF][_$a-zA-Z0-9\u00FF-\uFFFF]*'
)
def is_member_completion(line):
def partial_completion():
sp = line.split(".")
if len(sp) > 1:
return js_id_re.match(sp[-1]) is not None
return False
return line.endswith(".") or partial_completion()
def format_completion_entry(c_entry):
prefix = prefixes.get(c_entry["kind"], u"-")
prefix += " "
middle = c_entry["name"]
suffix = "\t" + c_entry["type"]
return prefix + middle + suffix
def partition_by(lst, disc):
partitions = defaultdict(list)
for el in lst:
partitions[disc(el)].append(el)
return partitions.values()
def sort_completions(entries):
return [(format_completion_entry(item), item["name"])
for sublist in partition_by(entries, lambda entry: entry["kind"])
for item in sorted(sublist, key=lambda entry: entry["name"])]
def completions_ts_to_sublime(json_completions):
return sort_completions(json_completions["entries"])
def ts_errors_to_regions(ts_errors):
return [sublime.Region(e["minChar"], e["limChar"]) for e in ts_errors]
def text_from_diff(old_content, minChar, limChar, new_text):
prefix = old_content[0:minChar]
suffix = old_content[limChar:]
return (prefix + new_text + suffix)
def get_pos(view):
return view.sel()[0].begin()
def get_plugin_path():
return plugin_path
def plugin_file(file_path):
return path.join(get_plugin_path(), file_path)
node_path = "node"
if ts_settings.has("node_path"):
node_path = ts_settings.get("node_path")
def get_node_path():
return node_path
# ================ SERVER AND COMMUNICATION HELPERS =============== #
class PluginInstance(object):
def __init__(self):
print "PLUGIN_FILE ", plugin_file("bin/main.js")
self.open_files = set()
self.views_text = {}
self.errors_intervals = {}
self.init_sem = Semaphore()
def init_async():
if thread_install:
thread_install.join()
loading_files.inc()
kwargs = {}
errorlog = None
if os.name == 'nt':
errorlog = open(os.devnull, 'w')
startupinfo = subprocess.STARTUPINFO()
startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
kwargs = {"stderr":errorlog, "startupinfo":startupinfo}
self.p = Popen([get_node_path(), plugin_file("bin/main.js")], stdin=PIPE, stdout=PIPE, **kwargs)
if errorlog:
errorlog.close()
self.serv_add_file(plugin_file("bin/lib.d.ts"))
loading_files.dec()
print "OUT OF INIT ASYNC"
self.init_sem.release()
self.init_sem.acquire()
Thread(target=init_async).start()
def close_process(self):
self.p.terminate()
def msg(self, *args):
res = None
message = json.dumps(args) + "\n"
t = time()
self.p.stdin.write(message)
msg_content = self.p.stdout.readline()
res = json.loads(msg_content)
return res
def serv_add_file(self, file_name):
resp = self.msg("add_file", file_name)
def serv_update_file(self, file_name, content):
resp = self.msg("update_script", file_name, content)
def serv_edit_file(self, file_name, min_char, new_char, new_text):
resp = self.msg("edit_script", file_name, min_char, new_char, new_text)
def serv_get_completions(self, file_name, pos, is_member):
resp = self.msg("complete", file_name, pos, is_member)
return resp["result"]
def serv_get_errors(self, file_name):
resp = self.msg("get_errors", file_name)
return resp["result"]
def init_file(self, filename):
is_open = filename in self.open_files
content = async_api_call(get_dep_text, filename)
if not is_open:
deps = [ref[1:-1] for ref in
re.findall("/// *<reference path *\=('.*?'|\".*?\")", content)]
self.open_files.add(filename)
self.serv_add_file(filename)
for dep in deps:
dep_unix = dep.replace("\\", "/")
dep_path = path.join(path.split(filename)[0], dep_unix)
if os.path.exists(dep_path):
self.init_file(dep_path)
self.serv_update_file(filename, content)
def init_view(self, view):
fname = view.file_name()
def init_view_async():
self.init_sem.acquire()
loading_files.inc()
self.init_file(fname)
self.serv_update_file(fname, self.views_text[fname])
loading_files.dec()
self.init_sem.release()
if is_ts(view):
Thread(target=init_view_async).start()
def update_server_code(self, filename, new_content):
old_content = self.views_text[filename]
bydiff_content = old_content
diffs = format_diffs(old_content, new_content)
for diff in reversed(diffs):
bydiff_content = text_from_diff(bydiff_content, *diff)
self.serv_edit_file(filename, *diff)
if bydiff_content != new_content:
print "ERROR WITH DIFF ALGORITHM"
raise Exception("ERROR WITH DIFF ALGORITHM")
else:
self.views_text[filename] = new_content
# ========================= ERROR HANDLING STUFF ======================== #
def set_errors_intervals(self, ts_errors):
self.errors_intervals = {}
for e in ts_errors:
self.errors_intervals[(e["minChar"], e["limChar"])] = e["message"]
def handle_errors(self, view, ts_errors):
self.set_errors_intervals(ts_errors)
view.add_regions(
"typescript_errors",
ts_errors_to_regions(ts_errors),
"typescript.errors",
"cross",
sublime.DRAW_EMPTY_AS_OVERWRITE
)
def get_error_for_pos(self, pos):
for (l, h), error in self.errors_intervals.iteritems():
if pos >= l and pos <= h:
return error
return None
def set_error_status(self, view):
error = self.get_error_for_pos(get_pos(view))
if error:
sublime.status_message(error)
else:
sublime.status_message("")
# ========================= STATUS MESSAGE MANAGEMENT ============= #
def status_msg_setter(text):
def set_status_msg():
sublime.status_message(text)
return set_status_msg
def loading_status_msg():
msg_base = "Loading typescript plugin"
is_loading = False
for el in cycle("|/-\\"):
if loading_files.val > 0:
is_loading = True
msg = msg_base + " " + el
sublime.set_timeout(status_msg_setter(msg), 0)
elif is_loading == True:
is_loading = False
sublime.set_timeout(status_msg_setter(""), 0)
sleep(0.1)
Thread(target=loading_status_msg).start()
# ========================= INITIALIZATION ======================== #
# Iterate on every open view, add file to server if needed
# for window in sublime.windows():
# for view in window.views():
# init_view(view)
plugin_instances = {}
project_files = {}
def init_view(view):
project_file = get_project_file(view)
if project_file not in plugin_instances:
plugin_instances[project_file] = PluginInstance()
plugin_instances[project_file].views_text[view.file_name()] = get_all_text(view)
plugin_instances[project_file].init_view(view)
def close_view(view):
project_file = get_project_file(view)
if project_file in plugin_instances:
plugin_instances[project_file].views_text.pop(view.file_name(), None)
if len(plugin_instances[project_file].views_text) == 0:
plugin_instances[project_file].close_process()
plugin_instances.pop(project_file, None)
def get_project_file(view):
filename = view.file_name()
if filename in project_files:
return project_files[filename]
else:
pfile = project.find_project_file(filename)
project_files[filename] = pfile
return pfile
def get_plugin(view):
return plugin_instances[get_project_file(view)]
# ========================= EVENT HANDLERS ======================== #
class TypescriptComplete(sublime_plugin.TextCommand):
def run(self, edit, characters):
# Insert the autocomplete char
for region in self.view.sel():
self.view.insert(edit, region.end(), characters)
# Update the code on the server side for the current file
get_plugin(self.view).update_server_code(self.view.file_name(), get_all_text(self.view))
self.view.run_command("auto_complete")
class AsyncWorker(object):
def __init__(self, view):
self.view = view
self.plugin = get_plugin(view)
self.content = view.substr(sublime.Region(0, view.size()))
self.filename = view.file_name()
self.view_id = view.buffer_id()
self.errors = None
self.sem = Semaphore()
self.sem.acquire()
self.has_round_queued = False
def do_more_work(self):
self.content = self.view.substr(sublime.Region(0, self.view.size()))
if not self.has_round_queued:
self.sem.release()
self.has_round_queued = True
def final(self):
self.plugin.handle_errors(self.view, self.errors)
self.plugin.set_error_status(self.view)
self.has_round_queued = False
def work(self):
while True:
# Wait on semaphore
self.sem.acquire()
# Update the script
self.plugin.update_server_code(self.filename, self.content)
# Get errors
self.errors = self.plugin.serv_get_errors(self.filename)
sublime.set_timeout(self.final, 1)
self.content = self.plugin.views_text[self.filename]
sleep(1.3)
class TestEvent(sublime_plugin.EventListener):
workers = {}
def get_worker_thread(self, view):
bid = view.buffer_id()
if not bid in self.workers:
worker = AsyncWorker(view)
Thread(target=worker.work).start()
self.workers[bid] = worker
return self.workers[bid]
def on_load(self, view):
print "IN ON LOAD FOR VIEW : ", view.file_name()
if is_ts(view):
init_view(view)
def on_close(self, view):
if is_ts(view):
close_view(view)
def on_modified(self, view):
if view.is_loading(): return
if is_ts(view):
t = self.get_worker_thread(view)
t.do_more_work()
def on_selection_modified(self, view):
if is_ts(view):
get_plugin(view).set_error_status(view)
def on_query_completions(self, view, prefix, locations):
if is_ts(view):
# Get the position of the cursor (first one in case of multiple sels)
pos = view.sel()[0].begin()
line = view.substr(sublime.Region(view.line(pos-1).a, pos))
bword_pos = sublime.Region(view.word(pos).a, pos)
word = view.substr(bword_pos)
print "WORD : ", word
completions_json = get_plugin(view).serv_get_completions(
view.file_name(), bword_pos.a, is_member_completion(line)
)
get_plugin(view).set_error_status(view)
return completions_ts_to_sublime(completions_json)
def on_query_context(self, view, key, operator, operand, match_all):
if key == "typescript":
view = sublime.active_window().active_view()
return is_ts(view)
# msg("add_file", "bin/test_code.ts")