Sphinx: pass user-defined GNAT switches to gnatchop

frontend/py_modules/code_projects/extract_projects.py

@@ -270,7 +270,7 @@ def expand_source_files():
                     if block.manual_chop:
                         source_files = manual_chop(split)
                     else:
-                        source_files = real_gnatchop(split)
+                        source_files = real_gnatchop(split, block.compiler_switches)
 
                     if len(source_files) == 0:
                         print_error(loc, "Failed to chop example, skipping\n")

frontend/sphinx/widget/chop.py

@@ -5,7 +5,7 @@
 import shutil
 import subprocess
 import tempfile
-from typing import List
+from typing import List, Optional
 
 from .resource import Resource
 
@@ -93,7 +93,7 @@ def to_base_filename(g):
     return results
 
 
-def real_gnatchop(lines: List[str]) -> List[Resource]:
+def real_gnatchop(lines: List[str], compiler_switches: Optional[dict] = None) -> List[Resource]:
     """Uses gnatchop to chop the text into files
 
     Args:
@@ -114,7 +114,15 @@ def real_gnatchop(lines: List[str]) -> List[Resource]:
             f.write('\n'.join(lines))
 
         # run gnatchop on temp file
-        cmd = ['gnatchop', gnatchop_file]
+        if compiler_switches is None:
+            cmd = ['gnatchop', gnatchop_file]
+        else:
+            cmd = ['gnatchop']
+            for sw in compiler_switches:
+                # gnatchop only accepts `-gnatXXX` switches
+                if "gnat" in sw:
+                    cmd.append(sw)
+            cmd.append(gnatchop_file)
         output = subprocess.check_output(cmd, cwd=wd)
         files = [os.path.join(wd, f.decode("utf-8").strip()) for f in output.splitlines()
                  if not f.startswith(b'splitting ')]

frontend/sphinx/widget/widget.py

@@ -1,6 +1,6 @@
 from itertools import count
 import re
-from typing import List, Match, Dict
+from typing import List, Match, Dict, Optional
 
 from .button import Button
 from .chop import manual_chop, cheapo_gnatchop, real_gnatchop, ChopStrategy
@@ -381,7 +381,7 @@ def parseContent(self, content: List[str]):
         elif self.__chop_strategy is ChopStrategy.CHEAPO:
             self.__files = cheapo_gnatchop(content)
         elif self.__chop_strategy is ChopStrategy.REAL:
-            self.__files = real_gnatchop(content)
+            self.__files = real_gnatchop(content, self.switches['Compiler'])
         else:
             raise ChopException('No chop strategy defined')