From d3adc16a08d95d6e331de55d7d3bf05a66a874a8 Mon Sep 17 00:00:00 2001 From: pack Date: Sun, 9 Aug 2026 10:54:08 +0000 Subject: stop tracking node_modules/ --- .../node-gyp/gyp/pylib/packaging/_tokenizer.py | 192 --------------------- 1 file changed, 192 deletions(-) delete mode 100644 node_modules/node-gyp/gyp/pylib/packaging/_tokenizer.py (limited to 'node_modules/node-gyp/gyp/pylib/packaging/_tokenizer.py') diff --git a/node_modules/node-gyp/gyp/pylib/packaging/_tokenizer.py b/node_modules/node-gyp/gyp/pylib/packaging/_tokenizer.py deleted file mode 100644 index dd0d648..0000000 --- a/node_modules/node-gyp/gyp/pylib/packaging/_tokenizer.py +++ /dev/null @@ -1,192 +0,0 @@ -import contextlib -import re -from dataclasses import dataclass -from typing import Dict, Iterator, NoReturn, Optional, Tuple, Union - -from .specifiers import Specifier - - -@dataclass -class Token: - name: str - text: str - position: int - - -class ParserSyntaxError(Exception): - """The provided source text could not be parsed correctly.""" - - def __init__( - self, - message: str, - *, - source: str, - span: Tuple[int, int], - ) -> None: - self.span = span - self.message = message - self.source = source - - super().__init__() - - def __str__(self) -> str: - marker = " " * self.span[0] + "~" * (self.span[1] - self.span[0]) + "^" - return "\n ".join([self.message, self.source, marker]) - - -DEFAULT_RULES: "Dict[str, Union[str, re.Pattern[str]]]" = { - "LEFT_PARENTHESIS": r"\(", - "RIGHT_PARENTHESIS": r"\)", - "LEFT_BRACKET": r"\[", - "RIGHT_BRACKET": r"\]", - "SEMICOLON": r";", - "COMMA": r",", - "QUOTED_STRING": re.compile( - r""" - ( - ('[^']*') - | - ("[^"]*") - ) - """, - re.VERBOSE, - ), - "OP": r"(===|==|~=|!=|<=|>=|<|>)", - "BOOLOP": r"\b(or|and)\b", - "IN": r"\bin\b", - "NOT": r"\bnot\b", - "VARIABLE": re.compile( - r""" - \b( - python_version - |python_full_version - |os[._]name - |sys[._]platform - |platform_(release|system) - |platform[._](version|machine|python_implementation) - |python_implementation - |implementation_(name|version) - |extra - )\b - """, - re.VERBOSE, - ), - "SPECIFIER": re.compile( - Specifier._operator_regex_str + Specifier._version_regex_str, - re.VERBOSE | re.IGNORECASE, - ), - "AT": r"\@", - "URL": r"[^ \t]+", - "IDENTIFIER": r"\b[a-zA-Z0-9][a-zA-Z0-9._-]*\b", - "VERSION_PREFIX_TRAIL": r"\.\*", - "VERSION_LOCAL_LABEL_TRAIL": r"\+[a-z0-9]+(?:[-_\.][a-z0-9]+)*", - "WS": r"[ \t]+", - "END": r"$", -} - - -class Tokenizer: - """Context-sensitive token parsing. - - Provides methods to examine the input stream to check whether the next token - matches. - """ - - def __init__( - self, - source: str, - *, - rules: "Dict[str, Union[str, re.Pattern[str]]]", - ) -> None: - self.source = source - self.rules: Dict[str, re.Pattern[str]] = { - name: re.compile(pattern) for name, pattern in rules.items() - } - self.next_token: Optional[Token] = None - self.position = 0 - - def consume(self, name: str) -> None: - """Move beyond provided token name, if at current position.""" - if self.check(name): - self.read() - - def check(self, name: str, *, peek: bool = False) -> bool: - """Check whether the next token has the provided name. - - By default, if the check succeeds, the token *must* be read before - another check. If `peek` is set to `True`, the token is not loaded and - would need to be checked again. - """ - assert ( - self.next_token is None - ), f"Cannot check for {name!r}, already have {self.next_token!r}" - assert name in self.rules, f"Unknown token name: {name!r}" - - expression = self.rules[name] - - match = expression.match(self.source, self.position) - if match is None: - return False - if not peek: - self.next_token = Token(name, match[0], self.position) - return True - - def expect(self, name: str, *, expected: str) -> Token: - """Expect a certain token name next, failing with a syntax error otherwise. - - The token is *not* read. - """ - if not self.check(name): - raise self.raise_syntax_error(f"Expected {expected}") - return self.read() - - def read(self) -> Token: - """Consume the next token and return it.""" - token = self.next_token - assert token is not None - - self.position += len(token.text) - self.next_token = None - - return token - - def raise_syntax_error( - self, - message: str, - *, - span_start: Optional[int] = None, - span_end: Optional[int] = None, - ) -> NoReturn: - """Raise ParserSyntaxError at the given position.""" - span = ( - self.position if span_start is None else span_start, - self.position if span_end is None else span_end, - ) - raise ParserSyntaxError( - message, - source=self.source, - span=span, - ) - - @contextlib.contextmanager - def enclosing_tokens( - self, open_token: str, close_token: str, *, around: str - ) -> Iterator[None]: - if self.check(open_token): - open_position = self.position - self.read() - else: - open_position = None - - yield - - if open_position is None: - return - - if not self.check(close_token): - self.raise_syntax_error( - f"Expected matching {close_token} for {open_token}, after {around}", - span_start=open_position, - ) - - self.read() -- cgit v1.2.3