diff --git a/nimterop/build/shell.nim b/nimterop/build/shell.nim
index a5d49de..53c0b5f 100644
--- a/nimterop/build/shell.nim
+++ b/nimterop/build/shell.nim
@@ -323,6 +323,12 @@ proc gitCheckout*(file, outdir: string) =
     sleep(500)
     gecho "#   Retrying ..."
 
+proc gitAtCheckout*(outdir, checkout: string): bool =
+  ## Check if specified git repository is checked out to the specified
+  ## commit hash, tag or branch
+  result = checkout in execAction(
+    &"cd {outdir.sanitizePath} && git log --decorate --no-color -n 1 --format=oneline").output
+
 proc gitPull*(url: string, outdir = "", plist = "", checkout = "", quiet = false) =
   ## Pull the specified git repository to the output directory
   ##
@@ -334,13 +340,17 @@ proc gitPull*(url: string, outdir = "", plist = "", checkout = "", quiet = false
   ## `checkout` is the git tag, branch or commit hash to checkout once
   ## the repository is downloaded. This allows for pinning to a specific
   ## version of the code.
-  if dirExists(outdir/".git"):
-    gitReset(outdir)
-    return
-
   let
     outdirQ = outdir.sanitizePath
 
+  if dirExists(outdir/".git"):
+    gitReset(outdir)
+    if checkout.nBl and not gitAtCheckout(outdir, checkout):
+      gecho &"# Updating repository to checkout {checkout}"
+      discard execAction(
+        &"cd {outdirQ} && git clean -fxd && git fetch && git checkout {checkout}", retry = 3)
+    return
+
   mkDir(outdir)
 
   if not quiet:
diff --git a/nimterop/globals.nim b/nimterop/globals.nim
index a89bac4..c831589 100644
--- a/nimterop/globals.nim
+++ b/nimterop/globals.nim
@@ -111,7 +111,9 @@ when defined(TOAST):
       "bitwise_expression",
       "shift_expression",
       "math_expression",
-      "escape_sequence"
+      "escape_sequence",
+      "binary_expression",
+      "unary_expression"
     ].toHashSet()
 
     gEnumVals* {.used.} = @[
diff --git a/nimterop/setup.nim b/nimterop/setup.nim
index 998d9e9..a0940d2 100644
--- a/nimterop/setup.nim
+++ b/nimterop/setup.nim
@@ -7,7 +7,7 @@ proc treesitterSetup*() =
   gitPull("https://github.com/tree-sitter/tree-sitter", cacheDir / "treesitter", """
 lib/include/*
 lib/src/*
-""", "0.15.5")
+""", "0.15.14")
 
   gitPull("https://github.com/JuliaStrings/utf8proc", cacheDir / "utf8proc", """
 *.c
@@ -37,7 +37,7 @@ src/*.h
 src/*.c
 src/*.cc
 src/tree_sitter/parser.h
-""", "v0.15.0")
+""", "v0.15.3")
 
   writeFile(cacheDir / "treesitter_c" / "src" / "api.h", """
 const TSLanguage *tree_sitter_c();
@@ -49,7 +49,7 @@ src/*.h
 src/*.c
 src/*.cc
 src/tree_sitter/parser.h
-""", "v0.15.0")
+""", "v0.15.1")
 
   writeFile(cacheDir / "treesitter_cpp" / "src" / "api.h", """
 const TSLanguage *tree_sitter_cpp();
diff --git a/nimterop/toastlib/ast2.nim b/nimterop/toastlib/ast2.nim
index 0016e29..783b6e4 100644
--- a/nimterop/toastlib/ast2.nim
+++ b/nimterop/toastlib/ast2.nim
@@ -1099,7 +1099,10 @@ proc getTypeProc(gState: State, name: string, node, rnode: TSNode): PNode =
     ncount =
       if not afdecl.isNil:
         # Pointer to function pointer
-        afdecl[0].getXCount("abstract_pointer_declarator")
+        if afdecl[0].getName() == "abstract_parenthesized_declarator":
+          afdecl[0][0].getXCount("abstract_pointer_declarator")
+        else:
+          afdecl[0].getXCount("abstract_pointer_declarator")
       else:
         node.getAtom().tsNodeParent().getPtrCount(reverse = true)
 
diff --git a/nimterop/toastlib/exprparser.nim b/nimterop/toastlib/exprparser.nim
index 28b49d3..13b1a98 100644
--- a/nimterop/toastlib/exprparser.nim
+++ b/nimterop/toastlib/exprparser.nim
@@ -535,7 +535,7 @@ proc processTSNode(gState: State, node: TSNode, typeofNode: var PNode): PNode =
   # once we upgrade
   of "math_expression", "logical_expression", "relational_expression",
      "bitwise_expression", "equality_expression", "binary_expression",
-     "shift_expression":
+     "shift_expression", "unary_expression":
     # Input -> a == b, a != b, !a, ~a, a < b, a > b, a <= b, a >= b, a >> b, a << b
     # Output ->
     #   typeof(a)(a == typeof(a)(b))