Merge pull request #313 from julia-vscode/sp/fix-310

Fix nonstdid parsing and $ parsing in import

Author: pfitzseb

src/components/internals.jl

@@ -364,13 +364,17 @@ function parse_importexport_item(ps, is_colon = false)
         pushtotrivia!(a, accept_rparen(ps))
         a
     elseif kindof(ps.nt) === Tokens.EX_OR
-        @closer ps :comma parse_expression(ps)
+        parse_unary(ps, INSTANCE(next(ps)))
     elseif !is_colon && isoperator(ps.nt)
         next(ps)
         EXPR(:OPERATOR, ps.nt.startbyte - ps.t.startbyte,  1 + ps.t.endbyte - ps.t.startbyte, val(ps.t, ps))
     elseif VERSION > v"1.3.0-" && isidentifier(ps.nt) && isemptyws(ps.nws) && (kindof(ps.nnt) === Tokens.STRING || kindof(ps.nnt) === Tokens.TRIPLE_STRING)
-        EXPR(:NONSTDIDENTIFIER, EXPR[INSTANCE(next(ps)), INSTANCE(next(ps))])
-        #TODO fix nonstdid handling
+        id = INSTANCE(next(ps))
+        if valof(id) == "var"
+            EXPR(:NONSTDIDENTIFIER, EXPR[id, INSTANCE(next(ps))])
+        else
+            mErrorToken(ps, EXPR(:NONSTDIDENTIFIER, EXPR[id, INSTANCE(next(ps))]), UnexpectedToken)
+        end
     else
         INSTANCE(next(ps))
     end

test/parser.jl

@@ -1324,4 +1324,15 @@ end
         x, ps = CSTParser.parse(CSTParser.ParseState(str), true)
         @test ps.errored == false
     end
+
+    @testset "#310" begin
+        x, ps = CSTParser.parse(CSTParser.ParseState("""import a.notvar"papa" """), true)
+        @test ps.errored == true
+        x, ps = CSTParser.parse(CSTParser.ParseState("""import notvar"papa" """), true)
+        @test ps.errored == true
+    end
+
+    @testset "#311" begin
+        @test test_expr(raw"import a.$b.c")
+    end
 end