ART: Run autopep8 on generate_operator_out.py

Fix up indentation and some minor things. Leave column limit
issues.

Bug: 121245951
Test: m test-art-host
Change-Id: I3b977368cd8f238746f3af7f5eea1aaa6a06b6a9

1 files changed, 175 insertions, 169 deletions

diff --git a/tools/generate_operator_out.py b/tools/generate_operator_out.py
index 73e96fec06..e354ac40d9 100755
--- a/tools/generate_operator_out.py
+++ b/tools/generate_operator_out.py
@@ -17,194 +17,200 @@
 """Generates default implementations of operator<< for enum types."""
 
 import codecs
-import os
 import re
-import string
 import sys
 
 
-_ENUM_START_RE = re.compile(r'\benum\b\s+(class\s+)?(\S+)\s+:?.*\{(\s+// private)?')
+_ENUM_START_RE = re.compile(
+    r'\benum\b\s+(class\s+)?(\S+)\s+:?.*\{(\s+// private)?')
 _ENUM_VALUE_RE = re.compile(r'([A-Za-z0-9_]+)(.*)')
 _ENUM_END_RE = re.compile(r'^\s*\};$')
 _ENUMS = {}
 _NAMESPACES = {}
 _ENUM_CLASSES = {}
 
+
 def Confused(filename, line_number, line):
-  sys.stderr.write('%s:%d: confused by:\n%s\n' % (filename, line_number, line))
-  raise Exception("giving up!")
-  sys.exit(1)
+    sys.stderr.write('%s:%d: confused by:\n%s\n' %
+                     (filename, line_number, line))
+    raise Exception("giving up!")
+    sys.exit(1)
 
 
 def ProcessFile(filename):
-  lines = codecs.open(filename, 'r', 'utf8', 'replace').read().split('\n')
-  in_enum = False
-  is_enum_private = False
-  is_enum_class = False
-  line_number = 0
-  
-
-  namespaces = []
-  enclosing_classes = []
-
-  for raw_line in lines:
-    line_number += 1
-
-    if not in_enum:
-      # Is this the start of a new enum?
-      m = _ENUM_START_RE.search(raw_line)
-      if m:
-        # Yes, so add an empty entry to _ENUMS for this enum.
-        
-        # Except when it's private
-        if m.group(3) is not None:
-          is_enum_private = True
+    lines = codecs.open(filename, 'r', 'utf8', 'replace').read().split('\n')
+    in_enum = False
+    is_enum_private = False
+    is_enum_class = False
+    line_number = 0
+
+    namespaces = []
+    enclosing_classes = []
+
+    for raw_line in lines:
+        line_number += 1
+
+        if not in_enum:
+            # Is this the start of a new enum?
+            m = _ENUM_START_RE.search(raw_line)
+            if m:
+                # Yes, so add an empty entry to _ENUMS for this enum.
+
+                # Except when it's private
+                if m.group(3) is not None:
+                    is_enum_private = True
+                else:
+                    is_enum_private = False
+                    is_enum_class = m.group(1) is not None
+                    enum_name = m.group(2)
+                    if len(enclosing_classes) > 0:
+                        enum_name = '::'.join(
+                            enclosing_classes) + '::' + enum_name
+                    _ENUMS[enum_name] = []
+                    _NAMESPACES[enum_name] = '::'.join(namespaces)
+                    _ENUM_CLASSES[enum_name] = is_enum_class
+                in_enum = True
+                continue
+
+            # Is this the start or end of a namespace?
+            m = re.search(r'^namespace (\S+) \{', raw_line)
+            if m:
+                namespaces.append(m.group(1))
+                continue
+            m = re.search(r'^\}\s+// namespace', raw_line)
+            if m:
+                namespaces = namespaces[0:len(namespaces) - 1]
+                continue
+
+            # Is this the start or end of an enclosing class or struct?
+            m = re.search(
+                r'^\s*(?:class|struct)(?: MANAGED)?(?: PACKED\([0-9]\))? (\S+).* \{', raw_line)
+            if m:
+                enclosing_classes.append(m.group(1))
+                continue
+
+            # End of class/struct -- be careful not to match "do { ... } while" constructs by accident
+            m = re.search(r'^\s*\}(\s+)?(while)?(.+)?;', raw_line)
+            if m and not m.group(2):
+                enclosing_classes = enclosing_classes[0:len(
+                    enclosing_classes) - 1]
+                continue
+
+            continue
+
+        # Is this the end of the current enum?
+        m = _ENUM_END_RE.search(raw_line)
+        if m:
+            if not in_enum:
+                Confused(filename, line_number, raw_line)
+            in_enum = False
+            continue
+
+        if is_enum_private:
+            continue
+
+        # The only useful thing in comments is the <<alternate text>> syntax for
+        # overriding the default enum value names. Pull that out...
+        enum_text = None
+        m_comment = re.search(r'// <<(.*?)>>', raw_line)
+        if m_comment:
+            enum_text = m_comment.group(1)
+        # ...and then strip // comments.
+        line = re.sub(r'//.*', '', raw_line)
+
+        # Strip whitespace.
+        line = line.strip()
+
+        # Skip blank lines.
+        if len(line) == 0:
+            continue
+
+        # Since we know we're in an enum type, and we're not looking at a comment
+        # or a blank line, this line should be the next enum value...
+        m = _ENUM_VALUE_RE.search(line)
+        if not m:
+            Confused(filename, line_number, raw_line)
+        enum_value = m.group(1)
+
+        # By default, we turn "kSomeValue" into "SomeValue".
+        if enum_text is None:
+            enum_text = enum_value
+            if enum_text.startswith('k'):
+                enum_text = enum_text[1:]
+
+        # Lose literal values because we don't care; turn "= 123, // blah" into ", // blah".
+        rest = m.group(2).strip()
+        m_literal = re.search(r'= (0x[0-9a-f]+|-?[0-9]+|\'.\')', rest)
+        if m_literal:
+            rest = rest[(len(m_literal.group(0))):]
+
+        # With "kSomeValue = kOtherValue," we take the original and skip later synonyms.
+        # TODO: check that the rhs is actually an existing value.
+        if rest.startswith('= k'):
+            continue
+
+        # Remove any trailing comma and whitespace
+        if rest.startswith(','):
+            rest = rest[1:]
+        rest = rest.strip()
+
+        # There shouldn't be anything left.
+        if len(rest):
+            sys.stderr.write('%s\n' % (rest))
+            Confused(filename, line_number, raw_line)
+
+        # If the enum is scoped, we must prefix enum value with enum name (which is already prefixed
+        # by enclosing classes).
+        if is_enum_class:
+            enum_value = enum_name + '::' + enum_value
         else:
-          is_enum_private = False
-          is_enum_class = m.group(1) is not None
-          enum_name = m.group(2)
-          if len(enclosing_classes) > 0:
-            enum_name = '::'.join(enclosing_classes) + '::' + enum_name
-          _ENUMS[enum_name] = []
-          _NAMESPACES[enum_name] = '::'.join(namespaces)
-          _ENUM_CLASSES[enum_name] = is_enum_class
-        in_enum = True
-        continue
-
-      # Is this the start or end of a namespace?
-      m = re.compile(r'^namespace (\S+) \{').search(raw_line)
-      if m:
-        namespaces.append(m.group(1))
-        continue
-      m = re.compile(r'^\}\s+// namespace').search(raw_line)
-      if m:
-        namespaces = namespaces[0:len(namespaces) - 1]
-        continue
-
-      # Is this the start or end of an enclosing class or struct?
-      m = re.compile(r'^\s*(?:class|struct)(?: MANAGED)?(?: PACKED\([0-9]\))? (\S+).* \{').search(raw_line)
-      if m:
-        enclosing_classes.append(m.group(1))
-        continue
-
-      # End of class/struct -- be careful not to match "do { ... } while" constructs by accident
-      m = re.compile(r'^\s*\}(\s+)?(while)?(.+)?;').search(raw_line)
-      if m and not m.group(2):
-        enclosing_classes = enclosing_classes[0:len(enclosing_classes) - 1]
-        continue
-
-      continue
-
-    # Is this the end of the current enum?
-    m = _ENUM_END_RE.search(raw_line)
-    if m:
-      if not in_enum:
-        Confused(filename, line_number, raw_line)
-      in_enum = False
-      continue
-
-    if is_enum_private:
-      continue
-
-    # The only useful thing in comments is the <<alternate text>> syntax for
-    # overriding the default enum value names. Pull that out...
-    enum_text = None
-    m_comment = re.compile(r'// <<(.*?)>>').search(raw_line)
-    if m_comment:
-      enum_text = m_comment.group(1)
-    # ...and then strip // comments.
-    line = re.sub(r'//.*', '', raw_line)
-
-    # Strip whitespace.
-    line = line.strip()
-
-    # Skip blank lines.
-    if len(line) == 0:
-      continue
-
-    # Since we know we're in an enum type, and we're not looking at a comment
-    # or a blank line, this line should be the next enum value...
-    m = _ENUM_VALUE_RE.search(line)
-    if not m:
-      Confused(filename, line_number, raw_line)
-    enum_value = m.group(1)
-
-    # By default, we turn "kSomeValue" into "SomeValue".
-    if enum_text == None:
-      enum_text = enum_value
-      if enum_text.startswith('k'):
-        enum_text = enum_text[1:]
-
-    # Lose literal values because we don't care; turn "= 123, // blah" into ", // blah".
-    rest = m.group(2).strip()
-    m_literal = re.compile(r'= (0x[0-9a-f]+|-?[0-9]+|\'.\')').search(rest)
-    if m_literal:
-      rest = rest[(len(m_literal.group(0))):]
-
-    # With "kSomeValue = kOtherValue," we take the original and skip later synonyms.
-    # TODO: check that the rhs is actually an existing value.
-    if rest.startswith('= k'):
-      continue
-
-    # Remove any trailing comma and whitespace
-    if rest.startswith(','):
-      rest = rest[1:]
-    rest = rest.strip()
-
-    # There shouldn't be anything left.
-    if len(rest):
-      sys.stderr.write('%s\n' % (rest))
-      Confused(filename, line_number, raw_line)
-
-    # If the enum is scoped, we must prefix enum value with enum name (which is already prefixed
-    # by enclosing classes).
-    if is_enum_class:
-      enum_value = enum_name + '::' + enum_value
-    else:
-      if len(enclosing_classes) > 0:
-        enum_value = '::'.join(enclosing_classes) + '::' + enum_value
-
-    _ENUMS[enum_name].append((enum_value, enum_text))
+            if len(enclosing_classes) > 0:
+                enum_value = '::'.join(enclosing_classes) + '::' + enum_value
+
+        _ENUMS[enum_name].append((enum_value, enum_text))
+
 
 def main():
-  local_path = sys.argv[1]
-  header_files = []
-  for header_file in sys.argv[2:]:
-    header_files.append(header_file)
-    ProcessFile(header_file)
-
-  print('#include <iostream>')
-  print('')
-
-  for header_file in header_files:
-    header_file = header_file.replace(local_path + '/', '')
-    print('#include "%s"' % header_file)
-
-  print('')
-
-  for enum_name in _ENUMS:
-    print('// This was automatically generated by art/tools/generate_operator_out.py --- do not edit!')
-
-    namespaces = _NAMESPACES[enum_name].split('::')
-    for namespace in namespaces:
-      print('namespace %s {' % namespace)
-
-    print('std::ostream& operator<<(std::ostream& os, const %s& rhs) {' % enum_name)
-    print('  switch (rhs) {')
-    for (enum_value, enum_text) in _ENUMS[enum_name]:
-      print('    case %s: os << "%s"; break;' % (enum_value, enum_text))
-    if not _ENUM_CLASSES[enum_name]:
-      print('    default: os << "%s[" << static_cast<int>(rhs) << "]"; break;' % enum_name)
-    print('  }')
-    print('  return os;')
-    print('}')
-
-    for namespace in reversed(namespaces):
-      print('}  // namespace %s' % namespace)
+    local_path = sys.argv[1]
+    header_files = []
+    for header_file in sys.argv[2:]:
+        header_files.append(header_file)
+        ProcessFile(header_file)
+
+    print('#include <iostream>')
     print('')
 
-  sys.exit(0)
+    for header_file in header_files:
+        header_file = header_file.replace(local_path + '/', '')
+        print('#include "%s"' % header_file)
+
+    print('')
+
+    for enum_name in _ENUMS:
+        print('// This was automatically generated by art/tools/generate_operator_out.py --- do not edit!')
+
+        namespaces = _NAMESPACES[enum_name].split('::')
+        for namespace in namespaces:
+            print('namespace %s {' % namespace)
+
+        print(
+            'std::ostream& operator<<(std::ostream& os, const %s& rhs) {' % enum_name)
+        print('  switch (rhs) {')
+        for (enum_value, enum_text) in _ENUMS[enum_name]:
+            print('    case %s: os << "%s"; break;' % (enum_value, enum_text))
+        if not _ENUM_CLASSES[enum_name]:
+            print(
+                '    default: os << "%s[" << static_cast<int>(rhs) << "]"; break;' % enum_name)
+        print('  }')
+        print('  return os;')
+        print('}')
+
+        for namespace in reversed(namespaces):
+            print('}  // namespace %s' % namespace)
+        print('')
+
+    sys.exit(0)
 
 
 if __name__ == '__main__':
-  main()
+    main()