Add defer_within_autodiff to EnzymeInterpreter

[jumerckx]

Together with Reactant pr: EnzymeAD/Reactant.jl#490

[vchuravy]

Why is this necessary? This fundamentally breaks this functionality?

[jumerckx]

This is for a Reactant bug: EnzymeAD/Reactant.jl#442 (comment)
Reason being that Reactant uses EnzymeInterpreter as well, while not necessarily doing autodiff.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 33.33333% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 74.92%. Comparing base (4ba9b71) to head (f1e15c9).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/compiler/interpreter.jl	33.33%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2254      +/-   ##
==========================================
- Coverage   74.93%   74.92%   -0.01%     
==========================================
  Files          56       56              
  Lines       17434    17436       +2     
==========================================
  Hits        13064    13064              
- Misses       4370     4372       +2     

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[wsmoses]

@vchuravy can you give this a review before merge

[vchuravy]

Seems fine.

[avik-pal]

bump on this

[github-actions]

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diff --git a/src/compiler/interpreter.jl b/src/compiler/interpreter.jl
index 77f0027..260c90b 100644
--- a/src/compiler/interpreter.jl
+++ b/src/compiler/interpreter.jl
@@ -173,7 +173,7 @@ function EnzymeInterpreter(
     reverse_rules::Bool,
     inactive_rules::Bool,
     broadcast_rewrite::Bool = true,
-    within_autodiff_rewrite::Bool = true,
+        within_autodiff_rewrite::Bool = true,
     handler = nothing
 )
     @assert world <= Base.get_world_counter()
@@ -250,23 +250,27 @@ EnzymeInterpreter(
     handler = nothing
 ) = EnzymeInterpreter(cache_or_token, mt, world, mode == API.DEM_ForwardMode, mode == API.DEM_ReverseModeCombined || mode == API.DEM_ReverseModePrimal || mode == API.DEM_ReverseModeGradient, inactive_rules, broadcast_rewrite, within_autodiff_rewrite, handler)
 
-function EnzymeInterpreter(interp::EnzymeInterpreter;
-    cache_or_token = (@static if HAS_INTEGRATED_CACHE
-        interp.token
-    else
-        interp.code_cache
-    end),
-    mt = interp.method_table,
-    local_cache = interp.local_cache,
-    world = interp.world,
-    inf_params = interp.inf_params,
-    opt_params = interp.opt_params,
-    forward_rules = interp.forward_rules,
-    reverse_rules = interp.reverse_rules,
-    inactive_rules = interp.inactive_rules,
-    broadcast_rewrite = interp.broadcast_rewrite,
-    within_autodiff_rewrite = interp.within_autodiff_rewrite,
-    handler = interp.handler)
+function EnzymeInterpreter(
+        interp::EnzymeInterpreter;
+        cache_or_token = (
+            @static if HAS_INTEGRATED_CACHE
+                interp.token
+            else
+                interp.code_cache
+            end
+        ),
+        mt = interp.method_table,
+        local_cache = interp.local_cache,
+        world = interp.world,
+        inf_params = interp.inf_params,
+        opt_params = interp.opt_params,
+        forward_rules = interp.forward_rules,
+        reverse_rules = interp.reverse_rules,
+        inactive_rules = interp.inactive_rules,
+        broadcast_rewrite = interp.broadcast_rewrite,
+        within_autodiff_rewrite = interp.within_autodiff_rewrite,
+        handler = interp.handler
+    )
     return EnzymeInterpreter(
         cache_or_token,
         mt,