diff options
Diffstat (limited to 'script-beta/core/diagnostics/global-in-nil-env.lua')
-rw-r--r-- | script-beta/core/diagnostics/global-in-nil-env.lua | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/script-beta/core/diagnostics/global-in-nil-env.lua b/script-beta/core/diagnostics/global-in-nil-env.lua new file mode 100644 index 00000000..9a0d4f35 --- /dev/null +++ b/script-beta/core/diagnostics/global-in-nil-env.lua @@ -0,0 +1,66 @@ +local files = require 'files' +local guide = require 'parser.guide' +local lang = require 'language' + +-- TODO: 检查路径是否可达 +local function mayRun(path) + return true +end + +return function (uri, callback) + local ast = files.getAst(uri) + if not ast then + return + end + local root = guide.getRoot(ast.ast) + local env = guide.getENV(root) + + local nilDefs = {} + if not env.ref then + return + end + for _, ref in ipairs(env.ref) do + if ref.type == 'setlocal' then + if ref.value and ref.value.type == 'nil' then + nilDefs[#nilDefs+1] = ref + end + end + end + + if #nilDefs == 0 then + return + end + + local function check(source) + local node = source.node + if node.tag == '_ENV' then + local ok + for _, nilDef in ipairs(nilDefs) do + local mode, pathA = guide.getPath(nilDef, source) + if mode == 'before' + and mayRun(pathA) then + ok = nilDef + break + end + end + if ok then + callback { + start = source.start, + finish = source.finish, + uri = uri, + message = lang.script.DIAG_GLOBAL_IN_NIL_ENV, + related = { + { + start = ok.start, + finish = ok.finish, + uri = uri, + } + } + } + end + end + end + + guide.eachSourceType(ast.ast, 'getglobal', check) + guide.eachSourceType(ast.ast, 'setglobal', check) +end |