fix and test fullspan properly

Author: pfitzseb

src/components/operators.jl

@@ -253,8 +253,11 @@ function parse_unary_colon(ps::ParseState, op::EXPR)
         unwrapped = unwrapbracket(arg)
         if isoperator(unwrapped) || isidentifier(unwrapped) || isliteral(unwrapped)
             ret = EXPR(:quotenode, EXPR[arg], EXPR[op])
-        elseif arg.head == :tuple && length(arg.args) == 1 && arg.args[1].head == :parameters && length(something(arg.args[1].args, [])) == 0 && arg.span > 3
-            ret = EXPR(:quote, EXPR[EXPR(:BLOCK, EXPR[], EXPR[])], EXPR[op])
+        elseif arg.head == :tuple && length(arg.args) == 1 && arg.args[1].head == :parameters && arg.args[1].args !== nothing && length(arg.args[1].args) == 0 && arg.span > 3
+            block = EXPR(:BLOCK, EXPR[], EXPR[])
+            block.span = arg.span
+            block.fullspan = arg.fullspan
+            ret = EXPR(:quote, EXPR[block], EXPR[op])
         else
             ret = EXPR(:quote, EXPR[arg], EXPR[op])
         end

test/check_base.jl

@@ -85,9 +85,12 @@ end
 
             str = read(file, String)
 
+            cst = CSTParser.parse(str, true)
             cst_expr, cst_err = cst_parse_file(str)
             meta_expr, meta_err = meta_parse_file(str)
             @test cst_err == meta_err
+            @test cst.fullspan == sizeof(str)
+
             if cst_err || meta_err
                 if cst_err && !meta_err
                     @error "CSTParser.parse errored, but Meta.parse didn't." file=file

test/parser.jl

@@ -39,6 +39,7 @@ function test_expr(str, show_data=true)
     @test isempty(check_span(x))
     check_parents(x)
     @test traverse(x)
+    @test x.fullspan == sizeof(str)
 
     if CSTParser.has_error(ps) || x0 != x1
         if show_data