[LANGUAGE] improved error productions for at

exceptions.py

@@ -233,6 +233,14 @@ def __init__(self, level, line_number, unquotedtext=None):
                          line_number=line_number)
 
 
+class MisspelledAtCommand(HedyException):
+    # TODO adjust the parameters, will only put this in en/messages.po
+    def __init__(self, level, line_number):
+        super().__init__('Misspelled At Command',
+                         level=level,
+                         line_number=line_number)
+
+
 class UnquotedAssignTextException(HedyException):
     def __init__(self, text, line_number):
         super().__init__('Unquoted Assignment', text=text, line_number=line_number)

grammars/level3-Additions.lark

@@ -1,7 +1,9 @@
-command:+= assign_list | add | remove > error_invalid   
+command:+= error_list_access | assign_list | add | remove > error_invalid   
 _print_argument: (_SPACE | (list_access textwithoutspaces?) | textwithoutspaces)*
 ask: var _IS _ASK ((_SPACE | text_ask)*)?
 
+error_list_access: var_access textwithoutspaces? (INT | random)
+
 assign: var _IS (list_access | text) -> assign
 assign_list: var _IS text_list (_COMMA text_list)+
 

hedy.py

@@ -1117,6 +1117,11 @@ def error_print_nq(self, meta, args):
         return False, InvalidInfo("print without quotes", arguments=[
                                   text], line=meta.line, column=meta.column), meta
 
+    def error_list_access(self, meta, args):
+        # for now copying another function, to test whether anything is being done at all
+        error = InvalidInfo('misspelled "at" command', arguments=[str(args[0])], line=meta.line, column=meta.column)
+        return False, error, meta
+
     def error_invalid(self, meta, args):
         # TODO: this will not work for misspelling 'at', needs to be improved!
 
@@ -3204,6 +3209,9 @@ def is_program_valid(program_root, input_string, level, lang):
             unquotedtext = invalid_info.arguments[0]
             raise exceptions.UnquotedTextException(
                 level=level, unquotedtext=unquotedtext, line_number=invalid_info.line)
+        elif invalid_info.error_type == 'misspelled "at" command':
+            # raising an exception here, for now default parameters, will put the wrongly spelled word later on
+            raise exceptions.MisspelledAtCommand(level=level, line_number=line)
         elif invalid_info.error_type == 'unsupported number':
             raise exceptions.UnsupportedFloatException(value=''.join(invalid_info.arguments))
         elif invalid_info.error_type == 'lonely text':

translations/en/LC_MESSAGES/messages.po

@@ -145,6 +145,10 @@ msgstr ""
 "finish with a quotation mark. You forgot that for the text "
 "{unquotedtext}."
 
+msgid "Misspelled At Command"
+msgstr " "
+"You have probably misspelled the 'at' command. Don't forget to fix it."
+
 msgid "Unsupported Float"
 msgstr ""
 "Non-integer numbers are not supported yet but they will be in a few "