fix spelling

src/arena.rs

@@ -445,7 +445,7 @@ impl<T: ?Sized + ArenaAllocated> TypedAllocSlab<T> {
     pub fn to_untyped(self: Box<Self>) -> (TypedArenaPtr<T>, UntypedArenaSlab) {
         let raw_box = Box::into_raw(self);
 
-        // safety: the pointer from Box::into_raw fullfills addr_of_mut's saftey requirements
+        // safety: the pointer from Box::into_raw fulfills addr_of_mut's safety requirements
         let payload_ptr = unsafe { addr_of_mut!((*raw_box).payload) };
 
         (

src/atom_table.rs

@@ -540,7 +540,7 @@ impl AtomTable {
                 table.insert(atom);
                 block_epoch.table.replace(table);
 
-                // expicit drop to ensure we don't accidentally drop it early
+                // explicit drop to ensure we don't accidentally drop it early
                 drop(update_guard);
 
                 return atom;

src/ffi.rs

@@ -981,7 +981,7 @@ pub enum FfiError {
         got: usize,
     },
     AllocationFailed,
-    // LayoutError should never occour
+    // LayoutError should never occur
     LayoutError,
     UnsupportedTypedef,
     UnsupportedAbi,

src/machine/dispatch.rs

@@ -310,7 +310,7 @@ impl MachineState {
                     self.throw_interrupt_exception();
                     self.backtrack();
 
-                    // We have extracted controll over the Tokio runtime to the calling context for enabling library use case
+                    // We have extracted control over the Tokio runtime to the calling context for enabling library use case
                     // (see https://github.com/mthom/scryer-prolog/pull/1880)
                     // So we only have access to a runtime handle in here and can't shut it down.
                     // Since I'm not aware of the consequences of deactivating this new code which came in while PR 1880

src/machine/heap.rs

@@ -445,7 +445,7 @@ impl Index<usize> for ReservedHeapSection {
 
 /// Computes the number of bytes required to pad a string of length `chunk_len`
 /// with zeroes, such that `chunk_len + pstr_sentinel_length(chunk_len)` is a
-/// multiple of `Heap::heap_cell_alignement()`.
+/// multiple of `Heap::heap_cell_alignment()`.
 fn pstr_sentinel_length(chunk_len: usize) -> usize {
     let res = chunk_len.next_multiple_of(ALIGN) - chunk_len;
 

src/machine/lib_machine/mod.rs

@@ -415,7 +415,7 @@ pub struct QueryState<'a> {
 
 impl Drop for QueryState<'_> {
     fn drop(&mut self) {
-        // FIXME: This may be wrong if the iterator is not fully consumend, but from testing it
+        // FIXME: This may be wrong if the iterator is not fully consumed, but from testing it
         // seems fine. Is this really ok?
         self.machine.trust_me();
     }

src/machine/lib_machine/tests.rs

@@ -3,7 +3,7 @@ use crate::MachineBuilder;
 
 #[test]
 #[cfg_attr(miri, ignore = "it takes too long to run")]
-fn programatic_query() {
+fn programmatic_query() {
     let mut machine = MachineBuilder::default().build();
 
     machine.load_module_string(

src/machine/stack.rs

@@ -191,7 +191,7 @@ impl Stack {
                 let cell_ptr = new_ptr.add(offset).cast::<HeapCellValue>();
                 ptr::write(cell_ptr.as_ptr(), stack_loc_as_cell!(AndFrame, e, idx + 1));
 
-                // Because in the Index and IndexMut inplementations we need to get this from
+                // Because in the Index and IndexMut implementations we need to get this from
                 // exposed provenance, we need to expose the provenance here, even though we don't
                 // actually use the value for anything. This is a reminder that `expose_provenance`
                 // isn't just a cast from a pointer to an integer but has actual side effects.
@@ -224,7 +224,7 @@ impl Stack {
                 let cell_ptr = new_ptr.byte_add(offset).cast::<HeapCellValue>();
                 ptr::write(cell_ptr.as_ptr(), stack_loc_as_cell!(OrFrame, b, idx));
 
-                // Because in the Index and IndexMut inplementations we need to get this from
+                // Because in the Index and IndexMut implementations we need to get this from
                 // exposed provenance, we need to expose the provenance here, even though we don't
                 // actually use the value for anything. This is a reminder that `expose_provenance`
                 // isn't just a cast from a pointer to an integer but has actual side effects.

src/machine/system_calls.rs

@@ -4292,7 +4292,7 @@ impl Machine {
                 }
                 let value = self.rng.gen_range(lower..upper);
                 // Safety:
-                // - lower and uper bounds are Fixnum values
+                // - lower and upper bounds are Fixnum values
                 // - value is inbetween lower and upper
                 // - fixnums value range has no gaps
                 // so value is also a valid Fixnum value
@@ -4812,7 +4812,7 @@ impl Machine {
                                 if interruption {
                                     self.machine_st.throw_interrupt_exception();
                                     self.machine_st.backtrack();
-                                    // We have extracted controll over the Tokio runtime to the calling context for enabling library use case
+                                    // We have extracted control over the Tokio runtime to the calling context for enabling library use case
                                     // (see https://github.com/mthom/scryer-prolog/pull/1880)
                                     // So we only have access to a runtime handle in here and can't shut it down.
                                     // Since I'm not aware of the consequences of deactivating this new code which came in while PR 1880

src/parser/ast.rs

@@ -361,7 +361,7 @@ impl OpDesc {
 
     #[inline]
     pub fn get_spec(self) -> OpDeclSpec {
-        OpDeclSpec::try_from(self.spec()).expect("OpDecl always contains a valud OpDeclSpec")
+        OpDeclSpec::try_from(self.spec()).expect("OpDecl always contains a valid OpDeclSpec")
     }
 
     #[inline]

src/repl_helper.rs

@@ -10,14 +10,14 @@ use crate::atom_table::{AtomString, AtomTable, STATIC_ATOMS_MAP};
 
 // TODO: Maybe add validation to the helper
 pub struct Helper {
-    highligher: MatchingBracketHighlighter,
+    highlighter: MatchingBracketHighlighter,
     pub atoms: Weak<AtomTable>,
 }
 
 impl Helper {
     pub fn new() -> Self {
         Self {
-            highligher: MatchingBracketHighlighter::new(),
+            highlighter: MatchingBracketHighlighter::new(),
             atoms: Weak::new(),
         }
     }
@@ -90,11 +90,11 @@ impl Completer for Helper {
 
 impl Highlighter for Helper {
     fn highlight<'l>(&self, line: &'l str, pos: usize) -> std::borrow::Cow<'l, str> {
-        self.highligher.highlight(line, pos)
+        self.highlighter.highlight(line, pos)
     }
 
     fn highlight_char(&self, line: &str, pos: usize, forced: bool) -> bool {
-        self.highligher.highlight_char(line, pos, forced)
+        self.highlighter.highlight_char(line, pos, forced)
     }
 }
 

src/types.rs

@@ -782,7 +782,7 @@ impl UntypedArenaPtr {
     }
 
     /// # Safety
-    /// - this UntypedArenaPtr actuall pointee type is T
+    /// - this UntypedArenaPtr actual pointee type is T
     /// - the pointer must be non-null
     #[inline]
     pub unsafe fn as_typed_ptr<T: ?Sized + ArenaAllocated>(self) -> TypedArenaPtr<T>