1 files changed, 0 insertions, 359 deletions
diff --git a/node_modules/node-gyp/gyp/pylib/packaging/_parser.py b/node_modules/node-gyp/gyp/pylib/packaging/_parser.py
deleted file mode 100644
index 4576981..0000000
--- a/node_modules/node-gyp/gyp/pylib/packaging/_parser.py
+++ /dev/null
@@ -1,359 +0,0 @@
-"""Handwritten parser of dependency specifiers.
-
-The docstring for each __parse_* function contains ENBF-inspired grammar representing
-the implementation.
-"""
-
-import ast
-from typing import Any, List, NamedTuple, Optional, Tuple, Union
-
-from ._tokenizer import DEFAULT_RULES, Tokenizer
-
-
-class Node:
-    def __init__(self, value: str) -> None:
-        self.value = value
-
-    def __str__(self) -> str:
-        return self.value
-
-    def __repr__(self) -> str:
-        return f"<{self.__class__.__name__}('{self}')>"
-
-    def serialize(self) -> str:
-        raise NotImplementedError
-
-
-class Variable(Node):
-    def serialize(self) -> str:
-        return str(self)
-
-
-class Value(Node):
-    def serialize(self) -> str:
-        return f'"{self}"'
-
-
-class Op(Node):
-    def serialize(self) -> str:
-        return str(self)
-
-
-MarkerVar = Union[Variable, Value]
-MarkerItem = Tuple[MarkerVar, Op, MarkerVar]
-# MarkerAtom = Union[MarkerItem, List["MarkerAtom"]]
-# MarkerList = List[Union["MarkerList", MarkerAtom, str]]
-# mypy does not support recursive type definition
-# https://github.com/python/mypy/issues/731
-MarkerAtom = Any
-MarkerList = List[Any]
-
-
-class ParsedRequirement(NamedTuple):
-    name: str
-    url: str
-    extras: List[str]
-    specifier: str
-    marker: Optional[MarkerList]
-
-
-# --------------------------------------------------------------------------------------
-# Recursive descent parser for dependency specifier
-# --------------------------------------------------------------------------------------
-def parse_requirement(source: str) -> ParsedRequirement:
-    return _parse_requirement(Tokenizer(source, rules=DEFAULT_RULES))
-
-
-def _parse_requirement(tokenizer: Tokenizer) -> ParsedRequirement:
-    """
-    requirement = WS? IDENTIFIER WS? extras WS? requirement_details
-    """
-    tokenizer.consume("WS")
-
-    name_token = tokenizer.expect(
-        "IDENTIFIER", expected="package name at the start of dependency specifier"
-    )
-    name = name_token.text
-    tokenizer.consume("WS")
-
-    extras = _parse_extras(tokenizer)
-    tokenizer.consume("WS")
-
-    url, specifier, marker = _parse_requirement_details(tokenizer)
-    tokenizer.expect("END", expected="end of dependency specifier")
-
-    return ParsedRequirement(name, url, extras, specifier, marker)
-
-
-def _parse_requirement_details(
-    tokenizer: Tokenizer,
-) -> Tuple[str, str, Optional[MarkerList]]:
-    """
-    requirement_details = AT URL (WS requirement_marker?)?
-                        | specifier WS? (requirement_marker)?
-    """
-
-    specifier = ""
-    url = ""
-    marker = None
-
-    if tokenizer.check("AT"):
-        tokenizer.read()
-        tokenizer.consume("WS")
-
-        url_start = tokenizer.position
-        url = tokenizer.expect("URL", expected="URL after @").text
-        if tokenizer.check("END", peek=True):
-            return (url, specifier, marker)
-
-        tokenizer.expect("WS", expected="whitespace after URL")
-
-        # The input might end after whitespace.
-        if tokenizer.check("END", peek=True):
-            return (url, specifier, marker)
-
-        marker = _parse_requirement_marker(
-            tokenizer, span_start=url_start, after="URL and whitespace"
-        )
-    else:
-        specifier_start = tokenizer.position
-        specifier = _parse_specifier(tokenizer)
-        tokenizer.consume("WS")
-
-        if tokenizer.check("END", peek=True):
-            return (url, specifier, marker)
-
-        marker = _parse_requirement_marker(
-            tokenizer,
-            span_start=specifier_start,
-            after=(
-                "version specifier"
-                if specifier
-                else "name and no valid version specifier"
-            ),
-        )
-
-    return (url, specifier, marker)
-
-
-def _parse_requirement_marker(
-    tokenizer: Tokenizer, *, span_start: int, after: str
-) -> MarkerList:
-    """
-    requirement_marker = SEMICOLON marker WS?
-    """
-
-    if not tokenizer.check("SEMICOLON"):
-        tokenizer.raise_syntax_error(
-            f"Expected end or semicolon (after {after})",
-            span_start=span_start,
-        )
-    tokenizer.read()
-
-    marker = _parse_marker(tokenizer)
-    tokenizer.consume("WS")
-
-    return marker
-
-
-def _parse_extras(tokenizer: Tokenizer) -> List[str]:
-    """
-    extras = (LEFT_BRACKET wsp* extras_list? wsp* RIGHT_BRACKET)?
-    """
-    if not tokenizer.check("LEFT_BRACKET", peek=True):
-        return []
-
-    with tokenizer.enclosing_tokens(
-        "LEFT_BRACKET",
-        "RIGHT_BRACKET",
-        around="extras",
-    ):
-        tokenizer.consume("WS")
-        extras = _parse_extras_list(tokenizer)
-        tokenizer.consume("WS")
-
-    return extras
-
-
-def _parse_extras_list(tokenizer: Tokenizer) -> List[str]:
-    """
-    extras_list = identifier (wsp* ',' wsp* identifier)*
-    """
-    extras: List[str] = []
-
-    if not tokenizer.check("IDENTIFIER"):
-        return extras
-
-    extras.append(tokenizer.read().text)
-
-    while True:
-        tokenizer.consume("WS")
-        if tokenizer.check("IDENTIFIER", peek=True):
-            tokenizer.raise_syntax_error("Expected comma between extra names")
-        elif not tokenizer.check("COMMA"):
-            break
-
-        tokenizer.read()
-        tokenizer.consume("WS")
-
-        extra_token = tokenizer.expect("IDENTIFIER", expected="extra name after comma")
-        extras.append(extra_token.text)
-
-    return extras
-
-
-def _parse_specifier(tokenizer: Tokenizer) -> str:
-    """
-    specifier = LEFT_PARENTHESIS WS? version_many WS? RIGHT_PARENTHESIS
-              | WS? version_many WS?
-    """
-    with tokenizer.enclosing_tokens(
-        "LEFT_PARENTHESIS",
-        "RIGHT_PARENTHESIS",
-        around="version specifier",
-    ):
-        tokenizer.consume("WS")
-        parsed_specifiers = _parse_version_many(tokenizer)
-        tokenizer.consume("WS")
-
-    return parsed_specifiers
-
-
-def _parse_version_many(tokenizer: Tokenizer) -> str:
-    """
-    version_many = (SPECIFIER (WS? COMMA WS? SPECIFIER)*)?
-    """
-    parsed_specifiers = ""
-    while tokenizer.check("SPECIFIER"):
-        span_start = tokenizer.position
-        parsed_specifiers += tokenizer.read().text
-        if tokenizer.check("VERSION_PREFIX_TRAIL", peek=True):
-            tokenizer.raise_syntax_error(
-                ".* suffix can only be used with `==` or `!=` operators",
-                span_start=span_start,
-                span_end=tokenizer.position + 1,
-            )
-        if tokenizer.check("VERSION_LOCAL_LABEL_TRAIL", peek=True):
-            tokenizer.raise_syntax_error(
-                "Local version label can only be used with `==` or `!=` operators",
-                span_start=span_start,
-                span_end=tokenizer.position,
-            )
-        tokenizer.consume("WS")
-        if not tokenizer.check("COMMA"):
-            break
-        parsed_specifiers += tokenizer.read().text
-        tokenizer.consume("WS")
-
-    return parsed_specifiers
-
-
-# --------------------------------------------------------------------------------------
-# Recursive descent parser for marker expression
-# --------------------------------------------------------------------------------------
-def parse_marker(source: str) -> MarkerList:
-    return _parse_full_marker(Tokenizer(source, rules=DEFAULT_RULES))
-
-
-def _parse_full_marker(tokenizer: Tokenizer) -> MarkerList:
-    retval = _parse_marker(tokenizer)
-    tokenizer.expect("END", expected="end of marker expression")
-    return retval
-
-
-def _parse_marker(tokenizer: Tokenizer) -> MarkerList:
-    """
-    marker = marker_atom (BOOLOP marker_atom)+
-    """
-    expression = [_parse_marker_atom(tokenizer)]
-    while tokenizer.check("BOOLOP"):
-        token = tokenizer.read()
-        expr_right = _parse_marker_atom(tokenizer)
-        expression.extend((token.text, expr_right))
-    return expression
-
-
-def _parse_marker_atom(tokenizer: Tokenizer) -> MarkerAtom:
-    """
-    marker_atom = WS? LEFT_PARENTHESIS WS? marker WS? RIGHT_PARENTHESIS WS?
-                | WS? marker_item WS?
-    """
-
-    tokenizer.consume("WS")
-    if tokenizer.check("LEFT_PARENTHESIS", peek=True):
-        with tokenizer.enclosing_tokens(
-            "LEFT_PARENTHESIS",
-            "RIGHT_PARENTHESIS",
-            around="marker expression",
-        ):
-            tokenizer.consume("WS")
-            marker: MarkerAtom = _parse_marker(tokenizer)
-            tokenizer.consume("WS")
-    else:
-        marker = _parse_marker_item(tokenizer)
-    tokenizer.consume("WS")
-    return marker
-
-
-def _parse_marker_item(tokenizer: Tokenizer) -> MarkerItem:
-    """
-    marker_item = WS? marker_var WS? marker_op WS? marker_var WS?
-    """
-    tokenizer.consume("WS")
-    marker_var_left = _parse_marker_var(tokenizer)
-    tokenizer.consume("WS")
-    marker_op = _parse_marker_op(tokenizer)
-    tokenizer.consume("WS")
-    marker_var_right = _parse_marker_var(tokenizer)
-    tokenizer.consume("WS")
-    return (marker_var_left, marker_op, marker_var_right)
-
-
-def _parse_marker_var(tokenizer: Tokenizer) -> MarkerVar:
-    """
-    marker_var = VARIABLE | QUOTED_STRING
-    """
-    if tokenizer.check("VARIABLE"):
-        return process_env_var(tokenizer.read().text.replace(".", "_"))
-    elif tokenizer.check("QUOTED_STRING"):
-        return process_python_str(tokenizer.read().text)
-    else:
-        tokenizer.raise_syntax_error(
-            message="Expected a marker variable or quoted string"
-        )
-
-
-def process_env_var(env_var: str) -> Variable:
-    if (
-        env_var == "platform_python_implementation"
-        or env_var == "python_implementation"
-    ):
-        return Variable("platform_python_implementation")
-    else:
-        return Variable(env_var)
-
-
-def process_python_str(python_str: str) -> Value:
-    value = ast.literal_eval(python_str)
-    return Value(str(value))
-
-
-def _parse_marker_op(tokenizer: Tokenizer) -> Op:
-    """
-    marker_op = IN | NOT IN | OP
-    """
-    if tokenizer.check("IN"):
-        tokenizer.read()
-        return Op("in")
-    elif tokenizer.check("NOT"):
-        tokenizer.read()
-        tokenizer.expect("WS", expected="whitespace after 'not'")
-        tokenizer.expect("IN", expected="'in' after 'not'")
-        return Op("not in")
-    elif tokenizer.check("OP"):
-        return Op(tokenizer.read().text)
-    else:
-        return tokenizer.raise_syntax_error(
-            "Expected marker operator, one of "
-            "<=, <, !=, ==, >=, >, ~=, ===, in, not in"
-        )