def parse_foreach_in(tokens, breakstack):
"""
::
foreach(loop_var IN [LISTS [<lists>]] [ITEMS [<items>]])
"""
tree = TreeNode(NodeType.ARGGROUP)
# If it is a whitespace token then put it directly in the parse tree at
# the current depth
while tokens and tokens[0].type in WHITESPACE_TOKENS:
tree.children.append(tokens.pop(0))
continue
# Consume the loop variable and any attached comments
ntokens = len(tokens)
pargs = parse_positionals(tokens, 2, ["IN"], breakstack)
assert len(tokens) < ntokens
tree.children.append(pargs)
kwargs = {"LISTS": PositionalParser("+"), "ITEMS": PositionalParser("+")}
sub_breakstack = breakstack + [KwargBreaker(list(kwargs.keys()))]
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 (lexer.TokenType.COMMENT,
lexer.TokenType.BRACKET_COMMENT):
if not get_tag(tokens[0]) in ("sort", "sortable"):
child = TreeNode(NodeType.COMMENT)
tree.children.append(child)
child.children.append(tokens.pop(0))
continue
ntokens = len(tokens)
word = get_normalized_kwarg(tokens[0])
subparser = kwargs.get(word, None)
if subparser is not None:
subtree = parse_kwarg(tokens, word, subparser, sub_breakstack)
else:
logger.warning("Unexpected positional argument at %s",
tokens[0].location)
subtree = parse_positionals(tokens, '+', [], sub_breakstack)
assert len(tokens) < ntokens
tree.children.append(subtree)
return tree
def parse_foreach_standard(tokens, breakstack):
"""
::
foreach(<loop_var> <items>)
<commands>
endforeach()
"""
tree = TreeNode(NodeType.ARGGROUP)
# If it is a whitespace token then put it directly in the parse tree at
# the current depth
while tokens and tokens[0].type in WHITESPACE_TOKENS:
tree.children.append(tokens.pop(0))
continue
# Consume the loop variable and any attached comments
ntokens = len(tokens)
subtree = parse_positionals(tokens, 1, [], breakstack)
assert len(tokens) < ntokens
tree.children.append(subtree)
# Consume the items of iteration
ntokens = len(tokens)
subtree = parse_positionals(tokens, '+', [], breakstack)
assert len(tokens) < ntokens
tree.children.append(subtree)
return tree
def parse_add_library_object(tokens, breakstack):
"""
::
add_library(<name> OBJECT <src>...)
:see: https://cmake.org/cmake/help/latest/command/add_library.html#object-libraries
"""
tree = TreeNode(NodeType.ARGGROUP)
# If it is a whitespace token then put it directly in the parse tree at
# the current depth
while tokens and tokens[0].type in WHITESPACE_TOKENS:
tree.children.append(tokens.pop(0))
continue
ntokens = len(tokens)
subtree = parse_positionals(tokens, 2, ["OBJECT"], breakstack)
assert len(tokens) < ntokens
tree.children.append(subtree)
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 (TokenType.COMMENT, TokenType.BRACKET_COMMENT):
if not get_tag(tokens[0]) in ("sort", "sortable"):
child = TreeNode(NodeType.COMMENT)
tree.children.append(child)
child.children.append(tokens.pop(0))
continue
ntokens = len(tokens)
subtree = parse_positionals(tokens, '+', [], breakstack)
assert len(tokens) < ntokens
tree.children.append(subtree)
return tree
def parse_file_write(tokens, breakstack):
"""
::
file(WRITE <filename> <content>...)
file(APPEND <filename> <content>...)
:see: https://cmake.org/cmake/help/v3.14/command/file.html#writing
"""
tree = TreeNode(NodeType.ARGGROUP)
consume_whitespace_and_comments(tokens, tree)
tree.children.append(
parse_positionals(tokens, 2, ["WRITE", "APPEND"], breakstack))
consume_whitespace_and_comments(tokens, tree)
tree.children.append(parse_positionals(tokens, '+', [], breakstack))
return tree
def parse_add_executable_standard(tokens, breakstack, sortable):
"""
::
add_executable(<name> [WIN32] [MACOSX_BUNDLE]
[EXCLUDE_FROM_ALL]
[source1] [source2 ...])
:see: https://cmake.org/cmake/help/latest/command/add_executable.html#command:add_executable
"""
# pylint: disable=too-many-statements
parsing_name = 1
parsing_flags = 2
parsing_sources = 3
tree = TreeNode(NodeType.ARGGROUP)
# If it is a whitespace token then put it directly in the parse tree at
# the current depth
while tokens and tokens[0].type in WHITESPACE_TOKENS:
tree.children.append(tokens.pop(0))
continue
state_ = parsing_name
parg_group = None
src_group = None
active_depth = tree
while tokens:
# This parse function breaks on the first right paren, since parenthetical
# groups are not allowed. A parenthesis might exist in a filename, but
# if so that filename should be quoted so it wont show up as a RIGHT_PAREN
# token.
if tokens[0].type is lexer.TokenType.RIGHT_PAREN:
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:
active_depth.children.append(tokens.pop(0))
continue
# If it's a comment token not associated with an argument, then put it
# directly into the parse tree at the current depth
if tokens[0].type in (lexer.TokenType.COMMENT,
lexer.TokenType.BRACKET_COMMENT):
if state_ > parsing_name:
if get_tag(tokens[0]) in ("unsort", "unsortable"):
sortable = False
elif get_tag(tokens[0]) in ("unsort", "unsortable"):
sortable = True
child = TreeNode(NodeType.COMMENT)
active_depth.children.append(child)
child.children.append(tokens.pop(0))
continue
if state_ is parsing_name:
token = tokens.pop(0)
parg_group = TreeNode(NodeType.PARGGROUP)
active_depth = parg_group
tree.children.append(parg_group)
child = TreeNode(NodeType.ARGUMENT)
child.children.append(token)
consume_trailing_comment(child, tokens)
parg_group.children.append(child)
state_ += 1
elif state_ is parsing_flags:
if get_normalized_kwarg(tokens[0]) in (
"WIN32", "MACOSX_BUNDLE", "EXCLUDE_FROM_ALL"):
token = tokens.pop(0)
child = TreeNode(NodeType.FLAG)
child.children.append(token)
consume_trailing_comment(child, tokens)
parg_group.children.append(child)
else:
state_ += 1
src_group = TreeNode(NodeType.PARGGROUP, sortable=sortable)
active_depth = src_group
tree.children.append(src_group)
elif state_ is parsing_sources:
token = tokens.pop(0)
child = TreeNode(NodeType.ARGUMENT)
child.children.append(token)
consume_trailing_comment(child, tokens)
src_group.children.append(child)
if only_comments_and_whitespace_remain(tokens, breakstack):
active_depth = tree
return tree
def parse_set(tokens, breakstack):
"""
::
set(<variable> <value>
[[CACHE <type> <docstring> [FORCE]] | PARENT_SCOPE])
:see: https://cmake.org/cmake/help/v3.0/command/set.html?
"""
tree = TreeNode(NodeType.ARGGROUP)
# If it is a whitespace token then put it directly in the parse tree at
# the current depth
while tokens and tokens[0].type in WHITESPACE_TOKENS:
tree.children.append(tokens.pop(0))
continue
kwargs = {"CACHE": PositionalParser(3, flags=["FORCE"])}
flags = ["PARENT_SCOPE"]
kwarg_breakstack = breakstack + [KwargBreaker(list(kwargs.keys()) + flags)]
positional_breakstack = breakstack + [KwargBreaker(list(kwargs.keys()))]
ntokens = len(tokens)
subtree = parse_positionals(tokens, 1, flags, positional_breakstack)
assert len(tokens) < ntokens
tree.children.append(subtree)
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 (lexer.TokenType.COMMENT,
lexer.TokenType.BRACKET_COMMENT):
if not get_tag(tokens[0]) in ("sort", "sortable"):
child = TreeNode(NodeType.COMMENT)
tree.children.append(child)
child.children.append(tokens.pop(0))
continue
ntokens = len(tokens)
# NOTE(josh): each flag is also stored in kwargs as with a positional parser
# of size zero. This is a legacy thing that should be removed, but for now
# just make sure we check flags first.
word = get_normalized_kwarg(tokens[0])
if word == "CACHE":
subtree = parse_kwarg(tokens, word, kwargs[word], kwarg_breakstack)
elif word == "PARENT_SCOPE":
subtree = parse_positionals(tokens, '+', ["PARENT_SCOPE"],
positional_breakstack)
else:
subtree = parse_positionals(tokens, '+', [], kwarg_breakstack)
assert len(tokens) < ntokens
tree.children.append(subtree)
return tree
def parse_add_custom_target(tokens, breakstack):
"""
::
add_custom_target(Name [ALL] [command1 [args1...]]
[COMMAND command2 [args2...] ...]
[DEPENDS depend depend depend ... ]
[BYPRODUCTS [files...]]
[WORKING_DIRECTORY dir]
[COMMENT comment]
[JOB_POOL job_pool]
[VERBATIM] [USES_TERMINAL]
[COMMAND_EXPAND_LISTS]
[SOURCES src1 [src2...]])
:see: https://cmake.org/cmake/help/latest/command/add_custom_target.html
"""
kwargs = {
"BYPRODUCTS": PositionalParser("+"),
"COMMAND": parse_shell_command,
"COMMENT": PositionalParser(1),
"DEPENDS": PositionalParser("+"),
"JOB_POOL": PositionalParser(1),
"SOURCES": PositionalParser("+"),
"WORKING_DIRECTORY": PositionalParser(1),
}
flags = ("VERBATIM", "USES_TERMINAL", "COMMAND_EXPAND_LISTS")
tree = TreeNode(NodeType.ARGGROUP)
# If it is a whitespace token then put it directly in the parse tree at
# the current depth
while tokens and tokens[0].type in WHITESPACE_TOKENS:
tree.children.append(tokens.pop(0))
continue
breaker = KwargBreaker(list(kwargs.keys()) + list(flags))
child_breakstack = breakstack + [breaker]
nametree = None
state = "name"
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 (lexer.TokenType.COMMENT,
lexer.TokenType.BRACKET_COMMENT):
child = TreeNode(NodeType.COMMENT)
tree.children.append(child)
child.children.append(tokens.pop(0))
continue
ntokens = len(tokens)
if state == "name":
next_semantic = get_first_semantic_token(tokens[1:])
if (next_semantic is not None and
get_normalized_kwarg(next_semantic) == "ALL"):
npargs = 2
else:
npargs = 1
nametree = parse_positionals(tokens, npargs, ["ALL"], child_breakstack)
assert len(tokens) < ntokens
tree.children.append(nametree)
state = "first-command"
continue
word = get_normalized_kwarg(tokens[0])
if state == "first-command":
if not(word in kwargs or word in flags):
subtree = parse_positionals(tokens, '+', [], child_breakstack)
tree.children.append(subtree)
assert len(tokens) < ntokens
state = "kwargs"
continue
if word in flags:
subtree = parse_flags(
tokens, flags, breakstack + [KwargBreaker(list(kwargs.keys()))])
assert len(tokens) < ntokens
tree.children.append(subtree)
continue
if word in kwargs:
subtree = parse_kwarg(tokens, word, kwargs[word], child_breakstack)
assert len(tokens) < ntokens
tree.children.append(subtree)
continue
logger.warning(
"Unexpected positional argument %s at %s",
tokens[0].spelling, tokens[0].location())
subtree = parse_positionals(tokens, '+', [], child_breakstack)
assert len(tokens) < ntokens
tree.children.append(subtree)
continue
return tree
def parse_install_targets(tokens, breakstack):
"""
::
install(TARGETS targets... [EXPORT <export-name>]
[[ARCHIVE|LIBRARY|RUNTIME|OBJECTS|FRAMEWORK|BUNDLE|
PRIVATE_HEADER|PUBLIC_HEADER|RESOURCE]
[DESTINATION <dir>]
[PERMISSIONS permissions...]
[CONFIGURATIONS [Debug|Release|...]]
[COMPONENT <component>]
[NAMELINK_COMPONENT <component>]
[OPTIONAL] [EXCLUDE_FROM_ALL]
[NAMELINK_ONLY|NAMELINK_SKIP]
] [...]
[INCLUDES DESTINATION [<dir> ...]]
)
:see: https://cmake.org/cmake/help/v3.14/command/install.html#targets
"""
kwargs = {
"TARGETS": PositionalParser('+'),
"EXPORT": PositionalParser(1),
"INCLUDES": PositionalParser('+', flags=["DESTINATION"]),
# Common kwargs
"DESTINATION": PositionalParser(1),
"PERMISSIONS": PositionalParser('+'),
"CONFIGURATIONS": PositionalParser('+'),
"COMPONENT": PositionalParser(1),
"NAMELINK_COMPONENT": PositionalParser(1),
}
flags = (
"OPTIONAL",
"EXCLUDE_FROM_ALL",
"NAMELINK_ONLY",
"NAMELINK_SKIP"
)
designated_kwargs = (
"ARCHIVE", "LIBRARY", "RUNTIME", "OBJECTS", "FRAMEWORK",
"BUNDLE", "PRIVATE_HEADER", "PUBLIC_HEADER", "RESOURCE"
)
# NOTE(josh): from here on, code is essentially parse_standard(), except that
# we cannot break on the common subset of kwargs in the breakstack because
# they are valid kwargs for the subtrees (ARCHIVE, LIBRARY, etc) as well as
# the primary tree
tree = TreeNode(NodeType.ARGGROUP)
# If it is a whitespace token then put it directly in the parse tree at
# the current depth
while tokens and tokens[0].type in WHITESPACE_TOKENS:
tree.children.append(tokens.pop(0))
continue
# ARCHIVE, LIBRARY, RUNTIME, subtrees etc only break on the start of
# another subtree, or on "INCLUDES DESTINATION"
subtree_breakstack = breakstack + [KwargBreaker(
list(designated_kwargs) + ["INCLUDES"]
)]
# kwargs at this tree depth break on other kwargs or flags
kwarg_breakstack = breakstack + [KwargBreaker(
list(kwargs.keys()) + list(designated_kwargs) + list(flags)
)]
# and flags at this depth break only on kwargs
positional_breakstack = breakstack + [KwargBreaker(
list(kwargs.keys()) + list(designated_kwargs)
)]
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 (lexer.TokenType.COMMENT,
lexer.TokenType.BRACKET_COMMENT):
child = TreeNode(NodeType.COMMENT)
tree.children.append(child)
child.children.append(tokens.pop(0))
continue
ntokens = len(tokens)
# NOTE(josh): each flag is also stored in kwargs as with a positional parser
# of size zero. This is a legacy thing that should be removed, but for now
# just make sure we check flags first.
word = get_normalized_kwarg(tokens[0])
if word in designated_kwargs:
subtree = parse_kwarg(
tokens, word, parse_install_targets, subtree_breakstack)
elif word in kwargs:
subtree = parse_kwarg(tokens, word, kwargs[word], kwarg_breakstack)
else:
subtree = parse_positionals(tokens, '+', flags, positional_breakstack)
assert len(tokens) < ntokens
tree.children.append(subtree)
return tree