| # |
| # QAPI frontend source file info |
| # |
| # Copyright (c) 2019 Red Hat Inc. |
| # |
| # Authors: |
| # Markus Armbruster <armbru@redhat.com> |
| # |
| # This work is licensed under the terms of the GNU GPL, version 2. |
| # See the COPYING file in the top-level directory. |
| |
| import copy |
| import sys |
| from typing import List, Optional, TypeVar |
| |
| |
| class QAPISchemaPragma: |
| # Replace with @dataclass in Python 3.7+ |
| # pylint: disable=too-few-public-methods |
| |
| def __init__(self) -> None: |
| # Are documentation comments required? |
| self.doc_required = False |
| # Commands whose names may use '_' |
| self.command_name_exceptions: List[str] = [] |
| # Commands allowed to return a non-dictionary |
| self.command_returns_exceptions: List[str] = [] |
| # Types whose member names may violate case conventions |
| self.member_name_exceptions: List[str] = [] |
| |
| |
| class QAPISourceInfo: |
| T = TypeVar('T', bound='QAPISourceInfo') |
| |
| def __init__(self, fname: str, line: int, |
| parent: Optional['QAPISourceInfo']): |
| self.fname = fname |
| self.line = line |
| self.parent = parent |
| self.pragma: QAPISchemaPragma = ( |
| parent.pragma if parent else QAPISchemaPragma() |
| ) |
| self.defn_meta: Optional[str] = None |
| self.defn_name: Optional[str] = None |
| |
| def set_defn(self, meta: str, name: str) -> None: |
| self.defn_meta = meta |
| self.defn_name = name |
| |
| def next_line(self: T) -> T: |
| info = copy.copy(self) |
| info.line += 1 |
| return info |
| |
| def loc(self) -> str: |
| if self.fname is None: |
| return sys.argv[0] |
| ret = self.fname |
| if self.line is not None: |
| ret += ':%d' % self.line |
| return ret |
| |
| def in_defn(self) -> str: |
| if self.defn_name: |
| return "%s: In %s '%s':\n" % (self.fname, |
| self.defn_meta, self.defn_name) |
| return '' |
| |
| def include_path(self) -> str: |
| ret = '' |
| parent = self.parent |
| while parent: |
| ret = 'In file included from %s:\n' % parent.loc() + ret |
| parent = parent.parent |
| return ret |
| |
| def __str__(self) -> str: |
| return self.include_path() + self.in_defn() + self.loc() |
