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from cmakelang import lex
from cmakelang.parse.argument_nodes import (
ArgGroupNode,
PositionalGroupNode
)
from cmakelang.parse.common import (
TreeNode,
NodeType,
)
from cmakelang.parse.util import (
WHITESPACE_TOKENS,
should_break,
)
def parse_empty(ctx, tokens, breakstack):
"""
::
break()
continue()
enable_testing()
:see: https://cmake.org/cmake/help/latest/command/break.html
:see: https://cmake.org/cmake/help/latest/command/continue.html
:see: https://cmake.org/cmake/help/latest/command/enable_testing.html
:see: https://cmake.org/cmake/help/latest/command/return.html
"""
tree = ArgGroupNode()
while tokens:
# Break if the next token belongs to a parent parser, i.e. if it
# matches a keyword argument of something higher in the stack, or if
# it closes a parent group.
if should_break(tokens[0], breakstack):
break
# If it is a whitespace token then put it directly in the parse tree at
# the current depth
if tokens[0].type in WHITESPACE_TOKENS:
tree.children.append(tokens.pop(0))
continue
# If it's a comment, then add it at the current depth
if tokens[0].type in (lex.TokenType.COMMENT,
lex.TokenType.BRACKET_COMMENT):
child = TreeNode(NodeType.COMMENT)
tree.children.append(child)
child.children.append(tokens.pop(0))
continue
ctx.lint_ctx.record_lint("E1121", location=tokens[0].get_location())
ntokens = len(tokens)
subtree = PositionalGroupNode.parse(ctx, tokens, "+", [], breakstack)
assert len(tokens) < ntokens
tree.children.append(subtree)
return tree
def populate_db(parse_db):
parse_db["break"] = parse_empty
parse_db["continue"] = parse_empty
parse_db["enable_testing"] = parse_empty
parse_db["return"] = parse_empty
|
