diff options
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/qapi/common.py | 8 | ||||
| -rw-r--r-- | scripts/qapi/main.py | 6 | ||||
| -rw-r--r-- | scripts/qapi/parser.py | 13 |
3 files changed, 16 insertions, 11 deletions
diff --git a/scripts/qapi/common.py b/scripts/qapi/common.py index cbd3fd81d3..6ad1eeb61d 100644 --- a/scripts/qapi/common.py +++ b/scripts/qapi/common.py @@ -12,7 +12,7 @@ # See the COPYING file in the top-level directory. import re -from typing import Optional, Sequence +from typing import Match, Optional, Sequence #: Magic string that gets removed along with all space to its right. @@ -210,3 +210,9 @@ def gen_endif(ifcond: Sequence[str]) -> str: #endif /* %(cond)s */ ''', cond=ifc) return ret + + +def must_match(pattern: str, string: str) -> Match[str]: + match = re.match(pattern, string) + assert match is not None + return match diff --git a/scripts/qapi/main.py b/scripts/qapi/main.py index 703e7ed1ed..f2ea6e0ce4 100644 --- a/scripts/qapi/main.py +++ b/scripts/qapi/main.py @@ -8,11 +8,11 @@ This is the main entry point for generating C code from the QAPI schema. """ import argparse -import re import sys from typing import Optional from .commands import gen_commands +from .common import must_match from .error import QAPIError from .events import gen_events from .introspect import gen_introspect @@ -22,9 +22,7 @@ from .visit import gen_visit def invalid_prefix_char(prefix: str) -> Optional[str]: - match = re.match(r'([A-Za-z_.-][A-Za-z0-9_.-]*)?', prefix) - # match cannot be None, but mypy cannot infer that. - assert match is not None + match = must_match(r'([A-Za-z_.-][A-Za-z0-9_.-]*)?', prefix) if match.end() != len(prefix): return prefix[match.end()] return None diff --git a/scripts/qapi/parser.py b/scripts/qapi/parser.py index 7c71866195..48137d3fbe 100644 --- a/scripts/qapi/parser.py +++ b/scripts/qapi/parser.py @@ -18,6 +18,7 @@ from collections import OrderedDict import os import re +from .common import must_match from .error import QAPISemError, QAPISourceError from .source import QAPISourceInfo @@ -238,8 +239,8 @@ class QAPISchemaParser: elif not self.tok.isspace(): # Show up to next structural, whitespace or quote # character - match = re.match('[^[\\]{}:,\\s\'"]+', - self.src[self.cursor-1:]) + match = must_match('[^[\\]{}:,\\s\'"]+', + self.src[self.cursor-1:]) raise QAPIParseError(self, "stray '%s'" % match.group(0)) def get_members(self): @@ -369,7 +370,7 @@ class QAPIDoc: # Strip leading spaces corresponding to the expected indent level # Blank lines are always OK. if line: - indent = re.match(r'\s*', line).end() + indent = must_match(r'\s*', line).end() if indent < self._indent: raise QAPIParseError( self._parser, @@ -505,7 +506,7 @@ class QAPIDoc: # from line and replace it with spaces so that 'f' has the # same index as it did in the original line and can be # handled the same way we will handle following lines. - indent = re.match(r'@\S*:\s*', line).end() + indent = must_match(r'@\S*:\s*', line).end() line = line[indent:] if not line: # Line was just the "@arg:" header; following lines @@ -540,7 +541,7 @@ class QAPIDoc: # from line and replace it with spaces so that 'f' has the # same index as it did in the original line and can be # handled the same way we will handle following lines. - indent = re.match(r'@\S*:\s*', line).end() + indent = must_match(r'@\S*:\s*', line).end() line = line[indent:] if not line: # Line was just the "@arg:" header; following lines @@ -586,7 +587,7 @@ class QAPIDoc: # from line and replace it with spaces so that 'f' has the # same index as it did in the original line and can be # handled the same way we will handle following lines. - indent = re.match(r'\S*:\s*', line).end() + indent = must_match(r'\S*:\s*', line).end() line = line[indent:] if not line: # Line was just the "Section:" header; following lines |