Address review comments

Author: sergey-miryanov

Tools/c-analyzer/c_parser/parser/__init__.py

@@ -214,21 +214,21 @@ def _iter_source(lines, *, maxtext=11_000, maxlines=200, showtext=False):
         text = text[:500] + '...'
 
     if srcinfo.too_much_text(maxtext):
-        msg = [
-            'too much text, try to increase MAX_SIZES[MAXTEXT] in cpython/_parser.py',
-            f'{filename} starting at line {lno_from} to {lno_to}',
-            f'has code with length {len(text)} greater than {maxtext}:',
-            text
-        ]
-        raise Exception('\n'.join(msg))
+        import textwrap
+        msg = f'''too much text, try to increase MAX_SIZES[MAXTEXT] in cpython/_parser.py
+            {filename} starting at line {lno_from} to {lno_to}
+            has code with length {len(text)} greater than {maxtext}:
+            {text}
+        '''
+        raise RuntimeError(textwrap.dedent(msg))
 
     if srcinfo.too_much_lines(maxlines):
-        msg = [
-            'too much lines, try to increase MAX_SIZES[MAXLINES] in cpython/_parser.py',
-            f'{filename} starting at line {lno_from} to {lno_to}',
-            f'has code with number of lines {lno_to - lno_from} greater than {maxlines}:',
-            text
-        ]
-        raise Exception('\n'.join(msg))
-
-    raise Exception(f'unmatched text ({filename} starting at line {lno_from}):\n{text}')
+        import textwrap
+        msg = f'''too much lines, try to increase MAX_SIZES[MAXLINES] in cpython/_parser.py
+            {filename} starting at line {lno_from} to {lno_to}
+            has code with number of lines {lno_to - lno_from} greater than {maxlines}:
+            {text}
+        '''
+        raise RuntimeError(textwrap.dedent(msg))
+
+    raise RuntimeError(f'unmatched text ({filename} starting at line {lno_from}):\n{text}')