fix no arg macros in function defs (#43)

Fixes #41

Author: KristofferC

src/utils.jl

@@ -1,6 +1,6 @@
 function isfuncexpr(ex)
     # Strip any macros that wrap the method definition
-    while isexpr(ex, :macrocall)
+    while isexpr(ex, :macrocall) && length(ex.args) == 3
         ex = ex.args[3]
     end
     isa(ex, Expr) || return false

test/runtests.jl

@@ -128,3 +128,16 @@ l = @__LINE__
     @test line == l - 3
     @test def == "(d_34)(x::T, y::T) where {T<:Number} = x === y"
 end
+
+function g()
+    Base.@_inline_meta
+    print("hello")
+end
+@testset "inline macros" begin
+    def, line = CodeTracking.definition(String, @which g())
+    @test def == """
+    function g()
+        Base.@_inline_meta
+        print("hello")
+    end"""
+end