Handle inner functions (fixes #50)

src/CodeTracking.jl

@@ -209,13 +209,13 @@ function definition(::Type{String}, method::Method)
     end
     ex, iend = Meta.parse(src, istart)
     iend = prevind(src, iend)
-    if isfuncexpr(ex)
+    if isfuncexpr(ex, method.name)
         iend = min(iend, lastindex(src))
         return strip(src[istart:iend], '\n'), line
     end
     # The function declaration was presumably on a previous line
     lineindex = lastindex(linestarts)
-    while !isfuncexpr(ex) && lineindex > 0
+    while !isfuncexpr(ex, method.name) && lineindex > 0
         istart = linestarts[lineindex]
         try
             ex, iend = Meta.parse(src, istart)

src/utils.jl

@@ -1,18 +1,22 @@
-function isfuncexpr(ex)
+function isfuncexpr(ex, name=nothing)
+    checkname(fdef::Expr, name)            = checkname(fdef.args[1], name)
+    checkname(fname::Symbol, name::Symbol) = fname == name
+    checkname(fname::Symbol, ::Nothing)    = true
+
     # Strip any macros that wrap the method definition
     while isexpr(ex, :macrocall) && length(ex.args) == 3
         ex = ex.args[3]
     end
     isa(ex, Expr) || return false
-    ex.head == :function && return true
+    ex.head == :function && return checkname(ex, name)
     if ex.head == :(=)
         a = ex.args[1]
         if isa(a, Expr)
             while a.head == :where
                 a = a.args[1]
                 isa(a, Expr) || return false
             end
-            a.head == :call && return true
+            a.head == :call && return checkname(a, name)
         end
     end
     return false

test/runtests.jl

@@ -46,6 +46,11 @@ isdefined(Main, :Revise) ? includet("script.jl") : include("script.jl")
     @test startswith(src, "@inline")
     @test line == 16
 
+    m = first(methods(f50))
+    src, line = definition(String, m)
+    @test occursin("100x", src)
+    @test line == 22
+
     info = CodeTracking.PkgFiles(Base.PkgId(CodeTracking))
     @test Base.PkgId(info) === info.id
     @test CodeTracking.basedir(info) == dirname(@__DIR__)

test/script.jl

@@ -18,3 +18,8 @@ f2(x, y) = x + y
     z = x + 1
     return z
 end
+
+function f50()   # issue #50
+    todB(x) = 10*log10(x)
+    println("100x is $(todB(100)) dB.")
+end