fix a few JET opt errors

src/chisels.jl

@@ -368,8 +368,8 @@ end
 function infix_op_call_op(node::Node)
     @assert is_infix_op_call(node) || kind(node) === K"||"
     kids = verified_kids(node)
-    first_operand_index = findfirst(!JuliaSyntax.is_whitespace, kids)
+    first_operand_index = findfirst(!JuliaSyntax.is_whitespace, kids)::Int
-    op_index = findnext(JuliaSyntax.is_operator, kids, first_operand_index + 1)
+    op_index = findnext(JuliaSyntax.is_operator, kids, first_operand_index + 1)::Int
     return kids[op_index]
 end
 

src/main.jl

@@ -270,9 +270,9 @@ function main(argv)
 
         # Call the library to format the text
         ctx = try
-            ctx = Context(sourcetext; quiet, verbose, debug, diff, check)
+            ctx′ = Context(sourcetext; quiet, verbose, debug, diff, check)
-            format_tree!(ctx)
+            format_tree!(ctx′)
-            ctx
+            ctx′
         catch err
             print_progress && errln()
             # Limit stacktrace to 5 frames because Runic uses recursion a lot and 5 should

src/runestone.jl

@@ -129,7 +129,7 @@ function format_float_literals(ctx::Context, node::Node)
     end
     # Split up the pieces
     r = r"^(?<sgn>[+-])?(?<int>\d*)(?:\.?(?<frac>\d*))?(?:(?<epm>[eEf][+-]?)(?<exp>\d+))?$"
-    m = match(r, str)
+    m = match(r, str)::RegexMatch
     io = IOBuffer() # TODO: Could be reused?
     # Write the sign part
     if (sgn = m[:sgn]; sgn !== nothing)
@@ -380,10 +380,6 @@ function spaces_in_listlike(ctx::Context, node::Node)
     if last_item_idx !== nothing && last_item_idx <= opening_leaf_idx
         last_item_idx = nothing
     end
-    last_comma_idx = findprev(x -> kind(x) === K",", kids, closing_leaf_idx - 1)
-    if last_comma_idx !== nothing && last_comma_idx <= opening_leaf_idx
-        last_comma_idx = nothing
-    end
 
     # Multiline lists require leading and trailing newline
     # multiline = contains_outer_newline(kids, opening_leaf_idx, closing_leaf_idx)
@@ -1379,7 +1375,7 @@ function replace_with_in(ctx::Context, node::Node)
     @assert kind(node) === K"=" && !is_leaf(node) && meta_nargs(node) == 3
     kids = verified_kids(node)
     pos = position(ctx.fmt_io)
-    vars_index = findfirst(!JuliaSyntax.is_whitespace, kids)
+    vars_index = findfirst(!JuliaSyntax.is_whitespace, kids)::Int
     # TODO: Need to insert whitespaces around `in` when replacing e.g. `i=I` with `iinI`.
     # However, at the moment it looks like the whitespace around operator pass does it's
     # thing first? I don't really know how though, because the for loop pass should be
@@ -2778,8 +2774,8 @@ function indent_multiline_strings(ctx::Context, node::Node)
     end
 
     # Opening triple quote
-    open_idx = findfirst(x -> kind(x) === triplekind, kids)
+    open_idx = findfirst(x -> kind(x) === triplekind, kids)::Int
-    close_idx = findlast(x -> kind(x) === triplekind, kids)
+    close_idx = findlast(x -> kind(x) === triplekind, kids)::Int
     @assert close_idx == length(kids) # ?
     open_kid = kids[open_idx]
     @assert kind(open_kid) === triplekind