all: Fix spelling mistakes based on codespell check.

Signed-off-by: Damien George <damien@micropython.org>

py/asmbase.c

@@ -80,7 +80,7 @@ uint8_t *mp_asm_base_get_cur_to_write_bytes(void *as_in, size_t num_bytes_to_wri
 void mp_asm_base_label_assign(mp_asm_base_t *as, size_t label) {
     assert(label < as->max_num_labels);
 
-    // Assiging a label ends any dead-code region, and all following machine
+    // Assigning a label ends any dead-code region, and all following machine
     // code should be emitted (until another mp_asm_base_suppress_code() call).
     as->suppress = false;
 

py/asmthumb.c

@@ -290,7 +290,7 @@ bool asm_thumb_b_n_label(asm_thumb_t *as, uint label) {
 
 #define OP_BCC_N(cond, byte_offset) (0xd000 | ((cond) << 8) | (((byte_offset) >> 1) & 0x00ff))
 
-// all these bit arithmetics need coverage testing!
+// all these bit-arithmetic operations need coverage testing!
 #define OP_BCC_W_HI(cond, byte_offset) (0xf000 | ((cond) << 6) | (((byte_offset) >> 10) & 0x0400) | (((byte_offset) >> 14) & 0x003f))
 #define OP_BCC_W_LO(byte_offset) (0x8000 | ((byte_offset) & 0x2000) | (((byte_offset) >> 1) & 0x0fff))
 

py/compile.c

@@ -3493,7 +3493,7 @@ void mp_compile_to_raw_code(mp_parse_tree_t *parse_tree, qstr source_file, bool
             }
         }
 
-        // update maximim number of labels needed
+        // update maximum number of labels needed
         if (comp->next_label > max_num_labels) {
             max_num_labels = comp->next_label;
         }

py/emitbc.c

@@ -439,7 +439,7 @@ void mp_emit_bc_set_source_line(emit_t *emit, mp_uint_t source_line) {
 }
 
 void mp_emit_bc_label_assign(emit_t *emit, mp_uint_t l) {
-    // Assiging a label ends any dead-code region, and all following opcodes
+    // Assigning a label ends any dead-code region, and all following opcodes
     // should be emitted (until another unconditional flow control).
     emit->suppress = false;
 

py/emitnative.c

@@ -894,7 +894,7 @@ STATIC void emit_access_stack(emit_t *emit, int pos, vtype_kind_t *vtype, int re
 }
 
 // does an efficient X=pop(); discard(); push(X)
-// needs a (non-temp) register in case the poped element was stored in the stack
+// needs a (non-temp) register in case the popped element was stored in the stack
 STATIC void emit_fold_stack_top(emit_t *emit, int reg_dest) {
     stack_info_t *si = &emit->stack_info[emit->stack_size - 2];
     si[0] = si[1];

py/formatfloat.c

@@ -39,7 +39,7 @@
   Routine for converting a arbitrary floating
   point number into a string.
 
-  The code in this funcion was inspired from Fred Bayer's pdouble.c.
+  The code in this function was inspired from Fred Bayer's pdouble.c.
   Since pdouble.c was released as Public Domain, I'm releasing this
   code as public domain as well.
 

py/gc.c

@@ -150,10 +150,10 @@ STATIC void gc_setup_area(mp_state_mem_area_t *area, void *start, void *end) {
     #endif
 
     #if MICROPY_ENABLE_FINALISER
-    // clear ATBs and FTBs
+    // clear ATB's and FTB's
     memset(area->gc_alloc_table_start, 0, gc_finaliser_table_byte_len + area->gc_alloc_table_byte_len + ALLOC_TABLE_GAP_BYTE);
     #else
-    // clear ATBs
+    // clear ATB's
     memset(area->gc_alloc_table_start, 0, area->gc_alloc_table_byte_len + ALLOC_TABLE_GAP_BYTE);
     #endif
 

py/makecompresseddata.py

@@ -24,7 +24,7 @@ def check_non_ascii(msg):
 
 
 # Replace <char><space> with <char | 0x80>.
-# Trival scheme to demo/test.
+# Trivial scheme to demo/test.
 def space_compression(error_strings):
     for line in error_strings:
         check_non_ascii(line)

py/mkrules.mk

@@ -34,7 +34,7 @@ QSTR_GEN_CXXFLAGS += $(QSTR_GEN_FLAGS)
 # tree.
 #
 # So for example, py/map.c would have an object file name py/map.o
-# The object files will go into the build directory and mantain the same
+# The object files will go into the build directory and maintain the same
 # directory structure as the source tree. So the final dependency will look
 # like this:
 #
@@ -192,7 +192,7 @@ endif
 ifneq ($(PROG),)
 # Build a standalone executable (unix does this)
 
-# The executable should have an .exe extension for builds targetting 'pure'
+# The executable should have an .exe extension for builds targeting 'pure'
 # Windows, i.e. msvc or mingw builds, but not when using msys or cygwin's gcc.
 COMPILER_TARGET := $(shell $(CC) -dumpmachine)
 ifneq (,$(findstring mingw,$(COMPILER_TARGET)))

py/modbuiltins.c

@@ -79,7 +79,7 @@ STATIC mp_obj_t mp_builtin___build_class__(size_t n_args, const mp_obj_t *args)
     meta_args[2] = class_locals; // dict of members
     mp_obj_t new_class = mp_call_function_n_kw(meta, 3, 0, meta_args);
 
-    // store into cell if neede
+    // store into cell if needed
     if (cell != mp_const_none) {
         mp_obj_cell_set(cell, new_class);
     }

py/objexcept.c

@@ -217,7 +217,7 @@ mp_obj_t mp_obj_exception_make_new(const mp_obj_type_t *type, size_t n_args, siz
 
     mp_obj_tuple_t *o_tuple;
     if (n_args == 0) {
-        // No args, can use the empty tuple straightaway
+        // No args, can use the empty tuple straight away
         o_tuple = (mp_obj_tuple_t *)&mp_const_empty_tuple_obj;
     } else {
         // Try to allocate memory for the tuple containing the args

py/objtype.c

@@ -619,7 +619,7 @@ STATIC void mp_obj_instance_load_attr(mp_obj_t self_in, qstr attr, mp_obj_t *des
     mp_obj_t member = dest[0];
     if (member != MP_OBJ_NULL) {
         if (!(self->base.type->flags & MP_TYPE_FLAG_HAS_SPECIAL_ACCESSORS)) {
-            // Class doesn't have any special accessors to check so return straightaway
+            // Class doesn't have any special accessors to check so return straight away
             return;
         }
 

py/parse.c

@@ -553,7 +553,7 @@ STATIC mp_parse_node_t make_node_const_object(parser_t *parser, size_t src_line,
     return (mp_parse_node_t)pn;
 }
 
-// Create a parse node represeting a constant object, possibly optimising the case of
+// Create a parse node representing a constant object, possibly optimising the case of
 // an integer, by putting the (small) integer value directly in the parse node itself.
 STATIC mp_parse_node_t make_node_const_object_optimised(parser_t *parser, size_t src_line, mp_obj_t obj) {
     if (mp_obj_is_small_int(obj)) {
@@ -1002,7 +1002,7 @@ STATIC void push_result_rule(parser_t *parser, size_t src_line, uint8_t rule_id,
 
     #if MICROPY_COMP_CONST_TUPLE
     if (build_tuple(parser, src_line, rule_id, num_args)) {
-        // we built a tuple from this rule so return straightaway
+        // we built a tuple from this rule so return straight away
         return;
     }
     #endif

py/runtime.c

@@ -450,7 +450,7 @@ mp_obj_t MICROPY_WRAP_MP_BINARY_OP(mp_binary_op)(mp_binary_op_t op, mp_obj_t lhs
                     } else {
                         // standard precision is enough for right-shift
                         if (rhs_val >= (mp_int_t)(sizeof(lhs_val) * MP_BITS_PER_BYTE)) {
-                            // Shifting to big amounts is underfined behavior
+                            // Shifting to big amounts is undefined behavior
                             // in C and is CPU-dependent; propagate sign bit.
                             rhs_val = sizeof(lhs_val) * MP_BITS_PER_BYTE - 1;
                         }

py/scope.h

@@ -50,7 +50,7 @@ typedef struct _id_info_t {
     uint8_t kind;
     uint8_t flags;
     // when it's an ID_INFO_KIND_LOCAL this is the unique number of the local
-    // whet it's an ID_INFO_KIND_CELL/FREE this is the unique number of the closed over variable
+    // when it's an ID_INFO_KIND_CELL/FREE this is the unique number of the closed over variable
     uint16_t local_num;
     qstr qst;
 } id_info_t;

py/sequence.c

@@ -156,7 +156,7 @@ bool mp_seq_cmp_objs(mp_uint_t op, const mp_obj_t *items1, size_t len1, const mp
             continue;
         }
 
-        // Othewise, if they are not equal, we can have final decision based on them
+        // Otherwise, if they are not equal, we can have final decision based on them
         if (op == MP_BINARY_OP_EQUAL) {
             // In particular, if we are checking for equality, here're the answer
             return false;