improve stdlib path rewriting

base/methodshow.jl

@@ -122,6 +122,16 @@ end
 default_methodloc(method::Method) = method.file, method.line
 const methodloc_callback = Ref{Function}(default_methodloc)
 
+# This function does the method location updating
+function updated_methodloc(m)
+    file, line = invokelatest(methodloc_callback[], m)
+    if file !== nothing && isdefined(@__MODULE__, :Sys)
+        # BUILD_STDLIB_PATH gets defined in sysinfo.jl
+        file = replace(String(file), normpath(Sys.BUILD_STDLIB_PATH) => normpath(Sys.STDLIB))
+    end
+    return Symbol(file), line
+end
+
 functionloc(m::Core.MethodInstance) = functionloc(m.def)
 
 """
@@ -130,7 +140,7 @@ functionloc(m::Core.MethodInstance) = functionloc(m.def)
 Returns a tuple `(filename,line)` giving the location of a `Method` definition.
 """
 function functionloc(m::Method)
-    file, ln = invokelatest(methodloc_callback[], m)
+    file, ln = updated_methodloc(m)
     if ln <= 0
         error("could not determine location of method definition")
     end
@@ -196,7 +206,7 @@ function show(io::IO, m::Method)
     print(io, " in ", m.module)
     if line > 0
         try
-            file, line = invokelatest(methodloc_callback[], m)
+            file, line = updated_methodloc(m)
         catch
         end
         print(io, " at ", file, ":", line)
@@ -249,7 +259,7 @@ function show_method_table(io::IO, ms::MethodList, max::Int=-1, header::Bool=tru
             show(io, meth)
             file, line = meth.file, meth.line
             try
-                file, line = invokelatest(methodloc_callback[], meth)
+                file, line = updated_methodloc(m)
             catch
             end
             push!(LAST_SHOWN_LINE_INFOS, (string(file), line))
@@ -362,7 +372,7 @@ function show(io::IO, ::MIME"text/html", m::Method)
     print(io, " in ", m.module)
     if line > 0
         try
-            file, line = invokelatest(methodloc_callback[], m)
+            file, line = updated_methodloc(m)
         catch
         end
         u = url(m)
@@ -400,7 +410,7 @@ function show(io::IO, mime::MIME"text/plain", mt::AbstractVector{Method})
         show(io, m)
         file, line = m.file, m.line
         try
-            file, line = invokelatest(methodloc_callback[], m)
+            file, line = updated_methodloc(m)
         catch
         end
         push!(LAST_SHOWN_LINE_INFOS, (string(file), line))

base/sysinfo.jl

@@ -49,6 +49,9 @@ A string containing the full path to the directory containing the `julia` execut
 A string containing the full path to the directory containing the `stdlib` packages.
 """
 STDLIB = "$BINDIR/../share/julia/stdlib/v$(VERSION.major).$(VERSION.minor)" # for bootstrap
+# In case STDLIB change after julia is built, the variable below can be used
+# to update cached method locations to updated ones.
+const BUILD_STDLIB_PATH = STDLIB
 
 # helper to avoid triggering precompile warnings
 

stdlib/InteractiveUtils/src/editless.jl

@@ -84,16 +84,6 @@ function edit(path::AbstractString, line::Integer=0)
     nothing
 end
 
-# Workaround for https://github.com/JuliaLang/julia/issues/26314
-const BUILDBOT_STDLIB_PATH = dirname(abspath(joinpath(functionloc(eval)[1]), "..", "..", ".."))
-function functionloc_stdlib_workaround(args...)
-    loc, line = functionloc(args...)
-    if loc !== nothing
-        loc = replace(loc, BUILDBOT_STDLIB_PATH => Sys.STDLIB)
-    end
-    return loc, line
-end
-
 """
     edit(function, [types])
     edit(module)
@@ -108,8 +98,8 @@ method to edit. For modules, open the main source file. The module needs to be l
 The editor can be changed by setting `JULIA_EDITOR`, `VISUAL` or `EDITOR` as an environment
 variable.
 """
-edit(f)                   = edit(functionloc_stdlib_workaround(f)...)
-edit(f, @nospecialize t)  = edit(functionloc_stdlib_workaround(f,t)...)
+edit(f)                   = edit(functionloc(f)...)
+edit(f, @nospecialize t)  = edit(functionloc(f,t)...)
 edit(file, line::Integer) = error("could not find source file for function")
 edit(m::Module) = edit(pathof(m))
 
@@ -144,6 +134,6 @@ less(file::AbstractString) = less(file, 1)
 Show the definition of a function using the default pager, optionally specifying a tuple of
 types to indicate which method to see.
 """
-less(f)                   = less(functionloc_stdlib_workaround(f)...)
-less(f, @nospecialize t)  = less(functionloc_stdlib_workaround(f,t)...)
+less(f)                   = less(functionloc(f)...)
+less(f, @nospecialize t)  = less(functionloc(f,t)...)
 less(file, line::Integer) = error("could not find source file for function")

stdlib/InteractiveUtils/test/runtests.jl

@@ -389,3 +389,7 @@ if Sys.iswindows() || Sys.isapple()
         @test clipboard() == str
     end
 end
+
+# buildbot path updating
+file, ln = functionloc(versioninfo, Tuple{})
+@test isfile(file)