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import logging
from cmakelang.lex import TokenType
from cmakelang.parse.argument_nodes import (
StandardArgTree,
StandardParser)
from cmakelang.parse.util import get_first_semantic_token
logger = logging.getLogger(__name__)
def null_parser(ctx, tokens, breakstack): # pylint: disable=unused-argument
return None
SORT_KWARGS = {
"COMPARE": StandardParser(1, flags=["STRING", "FILE_BASENAME"]),
"CASE": StandardParser(1, flags=["SENSITIVE", "INSENSITIVE"]),
"ORDER": StandardParser(1, flags=["ASCENDING", "DESCENDING"])
}
TRANSFORM_KWARGS = {
# actions
"APPEND": StandardParser(1),
"PREPEND": StandardParser(1),
"TOLOWER": null_parser,
"TOUPPER": null_parser,
"STRIP": null_parser,
"GENEX_STRIP": null_parser,
"REPLACE": StandardParser(2),
# selectors
"AT": StandardParser("+"),
"FOR": StandardParser("2+"),
"REGEX": StandardParser(1)
}
def parse_list(ctx, tokens, breakstack):
"""
Reading
list(LENGTH <list> <out-var>)
list(GET <list> <element index> [<index> ...] <out-var>)
list(JOIN <list> <glue> <out-var>)
list(SUBLIST <list> <begin> <length> <out-var>)
Search
list(FIND <list> <value> <out-var>)
Modification
list(APPEND <list> [<element>...])
list(FILTER <list> {INCLUDE | EXCLUDE} REGEX <regex>)
list(INSERT <list> <index> [<element>...])
list(POP_BACK <list> [<out-var>...])
list(POP_FRONT <list> [<out-var>...])
list(PREPEND <list> [<element>...])
list(REMOVE_ITEM <list> <value>...)
list(REMOVE_AT <list> <index>...)
list(REMOVE_DUPLICATES <list>)
list(TRANSFORM <list> <ACTION> [...])
Ordering
list(REVERSE <list>)
list(SORT <list> [...])
TRANSFORM actions:
list(TRANSFORM <list> <APPEND|PREPEND> <value> ...)
list(TRANSFORM <list> <TOLOWER|TOUPPER> ...)
list(TRANSFORM <list> STRIP ...)
list(TRANSFORM <list> GENEX_STRIP ...)
list(TRANSFORM <list> REPLACE <regular_expression>
<replace_expression> ...)
TRANSFORM selectors
list(TRANSFORM <list> <ACTION> AT <index> [<index> ...] ...)
list(TRANSFORM <list> <ACTION> FOR <start> <stop> [<step>] ...)
list(TRANSFORM <list> <ACTION> REGEX <regular_expression> ...)
:see: https://cmake.org/cmake/help/latest/command/list.html
"""
descriminator_token = get_first_semantic_token(tokens)
if (descriminator_token is None or
descriminator_token.type is TokenType.RIGHT_PAREN):
location = ()
if tokens:
location = tokens[0].get_location()
logger.warning("Invalid empty list() command at %s", location)
ctx.lint_ctx.record_lint("E1120", location=location)
return StandardArgTree.parse(ctx, tokens, npargs='*', kwargs={}, flags=[],
breakstack=breakstack)
if descriminator_token.type is TokenType.DEREF:
ctx.lint_ctx.record_lint(
"C0114", location=descriminator_token.get_location())
return StandardArgTree.parse(ctx, tokens, npargs='*', kwargs={}, flags=[],
breakstack=breakstack)
descriminator = descriminator_token.spelling.upper()
parsemap = {
"LENGTH": StandardParser(3, flags=["LENGTH"]),
"GET": StandardParser("4+", flags=["GET"]),
"JOIN": StandardParser(4, flags=["JOIN"]),
"SUBLIST": StandardParser(5, flags=["SUBLIST"]),
"FIND": StandardParser(4, flags=["FIND"]),
"APPEND": StandardParser("2+", flags=["APPEND"]),
"FILTER": StandardParser(
5, flags=["FILTER", "INCLUDE", "EXCLUDE", "REGEX"]),
"INSERT": StandardParser("4+", flags=["INSERT"]),
"POP_BACK": StandardParser("2+", flags=["POP_BACK"]),
"POP_FRONT": StandardParser("2+", flags=["POP_FRONT"]),
"PREPEND": StandardParser("2+", flags=["PREPEND"]),
"REMOVE_ITEM": StandardParser("3+", flags=["REMOVE_ITEM"]),
"REMOVE_AT": StandardParser("3+", flags=["REMOVE_AT"]),
"REMOVE_DUPLICATES": StandardParser(2, flags=["REMOVE_DUPLICATES"]),
"TRANSFORM": StandardParser(
2, flags=["TRANSFORM"], kwargs=TRANSFORM_KWARGS),
"REVERSE": StandardParser(2, flags=["REVERSE"]),
"SORT": StandardParser(2, flags=["SORT"], kwargs=SORT_KWARGS)
}
if descriminator not in parsemap:
logger.warning(
"Indeterminate form of file() command \"%s\" at %s", descriminator,
tokens[0].location())
ctx.lint_ctx.record_lint(
"E1126", location=descriminator_token.get_location())
return StandardArgTree.parse(ctx, tokens, npargs='*', kwargs={}, flags=[],
breakstack=breakstack)
return parsemap[descriminator](ctx, tokens, breakstack)
def populate_db(parse_db):
parse_db["list"] = parse_list
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