Fix more gerber bugs

1 files changed, 13 insertions, 8 deletions

diff --git a/gerbonara/gerber/rs274x.py b/gerbonara/gerber/rs274x.py
index 6d373ba..2f41684 100644
--- a/gerbonara/gerber/rs274x.py
+++ b/gerbonara/gerber/rs274x.py
@@ -35,7 +35,7 @@ import textwrap
 import dataclasses
 
 from .cam import CamFile, FileSettings
-from .utils import sq_distance, rotate_point, MM, Inch, units, InterpMode
+from .utils import sq_distance, rotate_point, MM, Inch, units, InterpMode, UnknownStatementWarning
 from .aperture_macros.parse import ApertureMacro, GenericMacros
 from . import graphic_primitives as gp
 from . import graphic_objects as go
@@ -171,6 +171,7 @@ class GerberFile(CamFile):
         return obj
 
     def generate_statements(self, settings, drop_comments=True):
+        yield 'G04 Gerber file generated by Gerbonara*'
         yield '%MOMM*%' if (settings.unit == 'mm') else '%MOIN*%'
 
         zeros = 'T' if settings.zeros == 'trailing' else 'L' # default to leading if "None" is specified
@@ -182,9 +183,9 @@ class GerberFile(CamFile):
         yield '%LPD*%'
 
         if not drop_comments:
-            yield 'G04 File processed by Gerbonara. Original comments:'
+            yield 'G04 Comments from original gerber file:*'
             for cmt in self.comments:
-                yield f'G04{cmt}'
+                yield f'G04{cmt}*'
 
         # Always emit gerbonara's generic, rotation-capable aperture macro replacements for the standard C/R/O/P shapes.
         # Unconditionally emitting these here is easier than first trying to figure out if we need them later,
@@ -453,7 +454,7 @@ class GerberParser:
         'region_end': r'G37$',
         'coord': fr"(?P<interpolation>G0?[123]|G74|G75)?(X(?P<x>{NUMBER}))?(Y(?P<y>{NUMBER}))?" \
             fr"(I(?P<i>{NUMBER}))?(J(?P<j>{NUMBER}))?" \
-            fr"(?P<operation>D0?[123])$",
+            fr"(?P<operation>D0?[123])?$",
         'aperture': r"(G54|G55)?D(?P<number>\d+)",
         'comment': r"G0?4(?P<comment>[^*]*)",
         # Allegro combines format spec and unit into one long illegal extended command.
@@ -549,7 +550,7 @@ class GerberParser:
                 if (match := le_regex.match(line)):
                     #print(f'    match: {name} / {match}')
                     try:
-                        getattr(self, f'_parse_{name}')(match.groupdict())
+                        getattr(self, f'_parse_{name}')(match)
                     except:
                         print(f'Line {lineno}: {line}')
                         print(f'    match: {name} / {match}')
@@ -558,7 +559,7 @@ class GerberParser:
                     break
 
             else:
-                warnings.warn(f'Unknown statement found: "{line}", ignoring.', SyntaxWarning)
+                warnings.warn(f'Unknown statement found: "{line}", ignoring.', UnknownStatementWarning)
                 self.target.comments.append(f'Unknown statement found: "{line}", ignoring.')
         
         self.target.apertures = list(self.aperture_map.values())
@@ -580,8 +581,12 @@ class GerberParser:
         elif match['interpolation'] == 'G75':
             self.multi_quadrant_mode = False
 
-        if match['interpolation'] in ('G74', 'G75') and match[0] != match['interpolation']:
-            raise SyntaxError('G74/G75 combined with coord')
+        if match['interpolation'] in ('G74', 'G75'):
+            if match[0] == match['interpolation']:
+                return # nothing else to do
+
+            else:
+                raise SyntaxError('G74/G75 combined with coord')
 
         x = self.file_settings.parse_gerber_value(match['x'])
         y = self.file_settings.parse_gerber_value(match['y'])