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
diff --git a/tools/generate_operator_out.py b/tools/generate_operator_out.py
index 73e96fe..e354ac4 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
-
+ 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 = []
+ namespaces = []
+ enclosing_classes = []
- for raw_line in lines:
- line_number += 1
+ 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
+ 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
+ if len(enclosing_classes) > 0:
+ enum_value = '::'.join(enclosing_classes) + '::' + enum_value
- # 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
+ _ENUMS[enum_name].append((enum_value, enum_text))
- # 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))
def main():
- local_path = sys.argv[1]
- header_files = []
- for header_file in sys.argv[2:]:
- header_files.append(header_file)
- ProcessFile(header_file)
+ 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)
+ 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()