code: fix typos, grammar, punctuation

Author: ThomasWaldmann

esp32_ulp/__main__.py

@@ -20,7 +20,7 @@ def main(fn, cpu):
         if sys.argv[1] in ('-c', '--mcpu'):
             cpu = sys.argv[2].lower()
             if cpu not in ('esp32', 'esp32s2'):
-                raise ValueError('Invalid cpu')
+                raise ValueError('Invalid CPU')
             filename = sys.argv[3]
     main(filename, cpu)
 

esp32_ulp/assemble.py

@@ -100,7 +100,7 @@ def __init__(self, cpu='esp32', symbols=None, bases=None, globals=None):
         elif cpu == 'esp32s2':
             opcode_module = 'opcodes_s2'
         else:
-            raise ValueError('Invalid cpu')
+            raise ValueError('Invalid CPU')
 
         relative_import = 1 if '/' in __file__ else 0
         self.opcodes = __import__(opcode_module, None, None, [], relative_import)
@@ -111,7 +111,7 @@ def __init__(self, cpu='esp32', symbols=None, bases=None, globals=None):
         # regex for parsing assembly lines
         # format: [[whitespace]label:][whitespace][opcode[whitespace arg[,arg...]]]
         # where [] means optional
-        # initialised here once, instead of compiling once per line
+        # initialized here once, instead of compiling once per line
         self.line_regex = re.compile(r'^(\s*([a-zA-Z0-9_$.]+):)?\s*((\S*)\s*(.*))$')
 
     def init(self, a_pass):

esp32_ulp/preprocess.py

@@ -55,7 +55,7 @@ def parse_define_line(self, line):
         identifier, value = parts
         tmp = identifier.split('(', 1)
         if len(tmp) == 2:
-            # skip parameterised defines (macros)
+            # skip parameterized defines (macros)
             return {}
         value = "".join(nocomment.remove_comments(value)).strip()
         return {identifier: value}
@@ -68,7 +68,7 @@ def parse_defines(self, content):
 
     def expand_defines(self, line):
         found = True
-        while found:  # do as many passed as needed, until nothing was replaced anymore
+        while found:  # do as many passes as needed, until nothing is replaced anymore
             found = False
             tokens = split_tokens(line)
             line = ""
@@ -115,8 +115,8 @@ def expand_rtc_macros(self, line):
         if macro_fn is None:
             return line
 
-        macro_args, _ = macro_args.rsplit(')', 1)  # trim away right bracket. safe as comments already stripped
-        macro_args = macro_args.split(',')  # not safe when args contain ',' but we should not have those
+        macro_args, _ = macro_args.rsplit(')', 1)  # trim away the right bracket; safe as comments are already stripped
+        macro_args = macro_args.split(',')  # not safe when args contain ','; we should not have those
         macro_args = [x.strip() for x in macro_args]
 
         return macro_fn(*macro_args)