fix #474: ignored slotnames (#475)

Author: simeonschaub

docs/src/index.md

@@ -118,7 +118,7 @@ callee: f_inner() in Main at none:1, breakpoint(error(s::AbstractString) in Base
 
 julia> leaf(fr)
 Frame for error(s::AbstractString) in Base at error.jl:33
-  1  33  1 ─ %1 = ($(QuoteNode(ErrorException)))(_2)
+  1  33  1 ─ %1 = ($(QuoteNode(ErrorException)))(s)
   2* 33  │   %2 = Core.throw(%1)
   3  33  └──      return %2
 s = "inner error"
@@ -156,11 +156,11 @@ julia> @interpret myfunction(1, 2)
 julia> @interpret myfunction(5, 6)
 (Frame for myfunction(x, y) in Main at none:1
 ⋮
-  3  4  │   %3 = _2 > 3
+  3  4  │   %3 = x > 3
   4  4  └──      goto #3 if not %3
 b 5* 4  2 ─      nothing
   6  4  └──      goto #3
-  7  5  3 ┄ %7 = _5 + _4 + _2 + _3
+  7  5  3 ┄ %7 = a + b + x + y
 ⋮
 x = 5
 y = 6

src/construct.jl

@@ -616,7 +616,7 @@ mymethod (generic function with 1 method)
 
 julia> JuliaInterpreter.enter_call_expr(:(\$mymethod(1)))
 Frame for mymethod(x) in Main at none:1
-  1* 1  1 ─ %1 = _2 + 1
+  1* 1  1 ─ %1 = x + 1
   2  1  └──      return %1
 x = 1
 
@@ -659,7 +659,7 @@ mymethod (generic function with 1 method)
 
 julia> JuliaInterpreter.enter_call(mymethod, 1)
 Frame for mymethod(x) in Main at none:1
-  1* 1  1 ─ %1 = _2 + 1
+  1* 1  1 ─ %1 = x + 1
   2  1  └──      return %1
 x = 1
 

src/utils.jl

@@ -444,7 +444,8 @@ function framecode_lines(src::CodeInfo)
         lines = String[]
         src = replace_coretypes!(copy_codeinfo(src); rev=true)
         reverse_lookup_globalref!(src.code)
-        io = IOContext(buf, :displaysize=>displaysize(stdout))
+        io = IOContext(buf, :displaysize => displaysize(stdout),
+                       :SOURCE_SLOTNAMES => Base.sourceinfo_slotnames(src))
         used = BitSet()
         cfg = Core.Compiler.compute_basic_blocks(src.code)
         for stmt in src.code