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|
local await = require 'await'
local proto = require 'proto.proto'
local define = require 'proto.define'
local lang = require 'language'
local files = require 'files'
local config = require 'config'
local core = require 'core.diagnostics'
local util = require 'utility'
local m = {}
m._start = false
m.cache = {}
local function concat(t, sep)
if type(t) ~= 'table' then
return t
end
return table.concat(t, sep)
end
local function buildSyntaxError(uri, err)
local lines = files.getLines(uri)
local text = files.getText(uri)
local message = lang.script('PARSER_'..err.type, err.info)
if err.version then
local version = err.info and err.info.version or config.config.runtime.version
message = message .. ('(%s)'):format(lang.script('DIAG_NEED_VERSION'
, concat(err.version, '/')
, version
))
end
local related = err.info and err.info.related
local relatedInformation
if related then
relatedInformation = {}
for _, rel in ipairs(related) do
local rmessage
if rel.message then
rmessage = lang.script('PARSER_'..rel.message)
else
rmessage = text:sub(rel.start, rel.finish)
end
relatedInformation[#relatedInformation+1] = {
message = rmessage,
location = define.location(uri, define.range(lines, text, rel.start, rel.finish)),
}
end
end
return {
range = define.range(lines, text, err.start, err.finish),
severity = define.DiagnosticSeverity.Error,
source = lang.script.DIAG_SYNTAX_CHECK,
message = message,
relatedInformation = relatedInformation,
}
end
local function buildDiagnostic(uri, diag)
local lines = files.getLines(uri)
local text = files.getText(uri)
local relatedInformation
if diag.related then
relatedInformation = {}
for _, rel in ipairs(diag.related) do
local rtext = files.getText(rel.uri)
local rlines = files.getLines(rel.uri)
relatedInformation[#relatedInformation+1] = {
message = rel.message or rtext:sub(rel.start, rel.finish),
location = define.location(rel.uri, define.range(rlines, rtext, rel.start, rel.finish))
}
end
end
return {
range = define.range(lines, text, diag.start, diag.finish),
source = lang.script.DIAG_DIAGNOSTICS,
severity = diag.level,
message = diag.message,
code = diag.code,
tags = diag.tags,
relatedInformation = relatedInformation,
}
end
local function merge(a, b)
if not a and not b then
return nil
end
local t = {}
if a then
for i = 1, #a do
t[#t+1] = a[i]
end
end
if b then
for i = 1, #b do
t[#t+1] = b[i]
end
end
return t
end
function m.clear(uri)
if not m.cache[uri] then
return
end
m.cache[uri] = nil
proto.notify('textDocument/publishDiagnostics', {
uri = files.getOriginUri(uri),
diagnostics = {},
})
end
function m.syntaxErrors(uri, ast)
if #ast.errs == 0 then
return nil
end
local results = {}
for _, err in ipairs(ast.errs) do
results[#results+1] = buildSyntaxError(uri, err)
end
return results
end
function m.diagnostics(uri)
if not m._start then
return m.cache[uri]
end
local diags = core(uri)
if not diags then
return nil
end
local results = {}
for _, diag in ipairs(diags) do
results[#results+1] = buildDiagnostic(uri, diag)
end
return results
end
function m.doDiagnostic(uri)
local ast = files.getAst(uri)
if not ast then
m.clear(uri)
return
end
local syntax = m.syntaxErrors(uri, ast)
local diagnostics = m.diagnostics(uri)
local full = merge(syntax, diagnostics)
if not full then
m.clear(uri)
return
end
if util.equal(m.cache[uri], full) then
return
end
m.cache[uri] = full
proto.notify('textDocument/publishDiagnostics', {
uri = files.getOriginUri(uri),
diagnostics = full,
})
end
function m.refresh(uri)
if not m._start then
return
end
await.call(function ()
-- 一旦文件的版本发生变化，就放弃这次诊断
await.delay()
if uri then
m.doDiagnostic(uri)
end
m.diagnosticsAll()
end, 'files.version')
end
function m.diagnosticsAll()
if not m._start then
return
end
await.close 'diagnosticsAll'
await.call(function ()
local clock = os.clock()
for uri in files.eachFile() do
await.delay()
m.doDiagnostic(uri)
end
log.debug('全文诊断耗时：', os.clock() - clock)
end, 'files.version', 'diagnosticsAll')
end
function m.start()
m._start = true
m.diagnosticsAll()
end
files.watch(function (env, uri)
if env == 'remove' then
m.clear(uri)
elseif env == 'update' then
m.refresh(uri)
end
end)
return m
|
