Command shortcuts now work when the command has no args.

src/py65/monitor.py

@@ -68,29 +68,31 @@ class Monitor(cmd.Cmd):
                            'z':   'step'}
 
     def _preprocess_line(self, line):
-        # ignore leading dots
-        line = line.lstrip('.')
+        # line comments
+        quoted = False
+        for pos, char in enumerate(line):
+            if char in ('"', "'"):
+                quoted = not quoted
+            if (not quoted) and (char == ';'):
+                line = line[:pos]
+                break
+
+        # whitepsace & leading dots
+        line = line.strip(' \t').lstrip('.')
       
         # command shortcuts
         for shortcut, command in self._shortcuts.iteritems():
+            if line == shortcut:
+                line = command
+                break
+
             pattern = '^%s\s+' % re.escape(shortcut)
             matches = re.match(pattern, line)
             if matches:
                 start, end = matches.span()
                 line = "%s %s" % (command, line[end:])
-
-        # line comments
-        quoted = False
-        for pos in range(0, len(line)):
-            if line[pos] in ('"', "'"):
-                quoted = not quoted
-            if (not quoted) and (line[pos] == ';'):
-                line = line[:pos]
                 break
 
-        if line == 'a':
-          line = 'assemble'
-
         return line
 
     def _install_mpu_observers(self):

src/py65/tests/test_monitor.py

@@ -9,13 +9,35 @@ class MonitorTests(unittest.TestCase):
 
     # line processing
     
-    def test_preprocess_line_removes_leading_dots(self):
-        stdout = StringIO()
-        mon = Monitor(stdout=stdout)
-        mon.onecmd('...help')        
+    def test__preprocess_line_removes_leading_dots_after_whitespace(self):
+        mon = Monitor()
+        self.assertEqual('help', mon._preprocess_line('  ...help'))
 
-        out = stdout.getvalue()
-        self.assert_('Documented commands' in out)
+    def test__preprocess_line_removes_leading_and_trailing_whitespace(self):
+        mon = Monitor()
+        self.assertEqual('help', mon._preprocess_line(' \t help \t '))
+    
+    def test__preprocess_line_rewrites_shortcut_when_alone_on_line(self):
+        mon = Monitor()
+        self.assertEqual('assemble', mon._preprocess_line(' a'))
+
+    def test__preprocess_line_rewrites_shortcut_with_arguments_on_line(self):
+        mon = Monitor()
+        self.assertEqual('assemble c000', mon._preprocess_line('a c000'))
+
+    def test__preprocess_line_removes_semicolon_comments(self):
+        mon = Monitor()
+        self.assertEqual('assemble', mon._preprocess_line('a ;comment'))
+
+    def test__preprocess_line_does_not_remove_semicolons_in_quotes(self):
+        mon = Monitor()
+        self.assertEqual('assemble lda #$";"', 
+                         mon._preprocess_line('a lda #$";" ;comment'))
+
+    def test__preprocess_line_does_not_remove_semicolons_in_apostrophes(self):
+        mon = Monitor()
+        self.assertEqual("assemble lda #$';'", 
+                         mon._preprocess_line("assemble lda #$';' ;comment"))
 
     # assemble