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Diffstat (limited to 'script/core/diagnostics/unused-label.lua')
-rw-r--r-- | script/core/diagnostics/unused-label.lua | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/script/core/diagnostics/unused-label.lua b/script/core/diagnostics/unused-label.lua new file mode 100644 index 00000000..e6d998ba --- /dev/null +++ b/script/core/diagnostics/unused-label.lua @@ -0,0 +1,22 @@ +local files = require 'files' +local guide = require 'parser.guide' +local define = require 'proto.define' +local lang = require 'language' + +return function (uri, callback) + local ast = files.getAst(uri) + if not ast then + return + end + + guide.eachSourceType(ast.ast, 'label', function (source) + if not source.ref then + callback { + start = source.start, + finish = source.finish, + tags = { define.DiagnosticTag.Unnecessary }, + message = lang.script('DIAG_UNUSED_LABEL', source[1]), + } + end + end) +end |