# Copyright 2019 The Meson development team
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# This class contains the basic functionality needed to run any interpreter
# or an interpreter-based tool.
from .common import CMakeException
from .generator import parse_generator_expressions
from .. import mlog
from ..mesonlib import version_compare
import typing as T
from pathlib import Path
from functools import lru_cache
import re
import json
import textwrap
if T.TYPE_CHECKING:
from ..environment import Environment
class CMakeTraceLine:
def __init__(self, file_str: str, line: int, func: str, args: T.List[str]) -> None:
self.file = CMakeTraceLine._to_path(file_str)
self.line = line
self.func = func.lower()
self.args = args
@staticmethod
@lru_cache(maxsize=None)
def _to_path(file_str: str) -> Path:
return Path(file_str)
def __repr__(self) -> str:
s = 'CMake TRACE: {0}:{1} {2}({3})'
return s.format(self.file, self.line, self.func, self.args)
class CMakeCacheEntry(T.NamedTuple):
value: T.List[str]
type: str
class CMakeTarget:
def __init__(
self,
name: str,
target_type: str,
properties: T.Optional[T.Dict[str, T.List[str]]] = None,
imported: bool = False,
tline: T.Optional[CMakeTraceLine] = None
):
if properties is None:
properties = {}
self.name = name
self.type = target_type
self.properties = properties
self.imported = imported
self.tline = tline
self.depends = [] # type: T.List[str]
self.current_bin_dir = None # type: T.Optional[Path]
self.current_src_dir = None # type: T.Optional[Path]
def __repr__(self) -> str:
s = 'CMake TARGET:\n -- name: {}\n -- type: {}\n -- imported: {}\n -- properties: {{\n{} }}\n -- tline: {}'
propSTR = ''
for i in self.properties:
propSTR += " '{}': {}\n".format(i, self.properties[i])
return s.format(self.name, self.type, self.imported, propSTR, self.tline)
def strip_properties(self) -> None:
# Strip the strings in the properties
if not self.properties:
return
for key, val in self.properties.items():
self.properties[key] = [x.strip() for x in val]
assert all([';' not in x for x in self.properties[key]])
class CMakeGeneratorTarget(CMakeTarget):
def __init__(self, name: str) -> None:
super().__init__(name, 'CUSTOM', {})
self.outputs = [] # type: T.List[Path]
self._outputs_str = [] # type: T.List[str]
self.command = [] # type: T.List[T.List[str]]
self.working_dir = None # type: T.Optional[Path]
class CMakeTraceParser:
def __init__(self, cmake_version: str, build_dir: Path, env: 'Environment', permissive: bool = True) -> None:
self.vars: T.Dict[str, T.List[str]] = {}
self.vars_by_file: T.Dict[Path, T.Dict[str, T.List[str]]] = {}
self.targets: T.Dict[str, CMakeTarget] = {}
self.cache: T.Dict[str, CMakeCacheEntry] = {}
self.explicit_headers = set() # type: T.Set[Path]
# T.List of targes that were added with add_custom_command to generate files
self.custom_targets = [] # type: T.List[CMakeGeneratorTarget]
self.env = env
self.permissive = permissive # type: bool
self.cmake_version = cmake_version # type: str
self.trace_file = 'cmake_trace.txt'
self.trace_file_path = build_dir / self.trace_file
self.trace_format = 'json-v1' if version_compare(cmake_version, '>=3.17') else 'human'
self.errors: T.List[str] = []
# State for delayed command execution. Delayed command execution is realised
# with a custom CMake file that overrides some functions and adds some
# introspection information to the trace.
self.delayed_commands = [] # type: T.List[str]
self.stored_commands = [] # type: T.List[CMakeTraceLine]
# All supported functions
self.functions = {
'set': self._cmake_set,
'unset': self._cmake_unset,
'add_executable': self._cmake_add_executable,
'add_library': self._cmake_add_library,
'add_custom_command': self._cmake_add_custom_command,
'add_custom_target': self._cmake_add_custom_target,
'set_property': self._cmake_set_property,
'set_target_properties': self._cmake_set_target_properties,
'target_compile_definitions': self._cmake_target_compile_definitions,
'target_compile_options': self._cmake_target_compile_options,
'target_include_directories': self._cmake_target_include_directories,
'target_link_libraries': self._cmake_target_link_libraries,
'target_link_options': self._cmake_target_link_options,
'add_dependencies': self._cmake_add_dependencies,
'message': self._cmake_message,
# Special functions defined in the preload script.
# These functions do nothing in the CMake code, but have special
# meaning here in the trace parser.
'meson_ps_execute_delayed_calls': self._meson_ps_execute_delayed_calls,
'meson_ps_reload_vars': self._meson_ps_reload_vars,
'meson_ps_disabled_function': self._meson_ps_disabled_function,
} # type: T.Dict[str, T.Callable[[CMakeTraceLine], None]]
if version_compare(self.cmake_version, '<3.17.0'):
mlog.deprecation(textwrap.dedent(f'''\
CMake support for versions <3.17 is deprecated since Meson 0.62.0.
|
| However, Meson was only able to find CMake {self.cmake_version}.
|
| Support for all CMake versions below 3.17.0 will be removed once
| newer CMake versions are more widely adopted. If you encounter
| any errors please try upgrading CMake to a newer version first.
'''), once=True)
def trace_args(self) -> T.List[str]:
arg_map = {
'human': ['--trace', '--trace-expand'],
'json-v1': ['--trace-expand', '--trace-format=json-v1'],
}
base_args = ['--no-warn-unused-cli']
if not self.requires_stderr():
base_args += [f'--trace-redirect={self.trace_file}']
return arg_map[self.trace_format] + base_args
def requires_stderr(self) -> bool:
return version_compare(self.cmake_version, '<3.16')
def parse(self, trace: T.Optional[str] = None) -> None:
# First load the trace (if required)
if not self.requires_stderr():
if not self.trace_file_path.exists and not self.trace_file_path.is_file():
raise CMakeException(f'CMake: Trace file "{self.trace_file_path!s}" not found')
trace = self.trace_file_path.read_text(errors='ignore', encoding='utf-8')
if not trace:
raise CMakeException('CMake: The CMake trace was not provided or is empty')
# Second parse the trace
lexer1 = None
if self.trace_format == 'human':
lexer1 = self._lex_trace_human(trace)
elif self.trace_format == 'json-v1':
lexer1 = self._lex_trace_json(trace)
else:
raise CMakeException(f'CMake: Internal error: Invalid trace format {self.trace_format}. Expected [human, json-v1]')
# Primary pass -- parse everything
for l in lexer1:
# store the function if its execution should be delayed
if l.func in self.delayed_commands:
self.stored_commands += [l]
continue
# "Execute" the CMake function if supported
fn = self.functions.get(l.func, None)
if fn:
fn(l)
# Evaluate generator expressions
strlist_gen: T.Callable[[T.List[str]], T.List[str]] = lambda strlist: parse_generator_expressions(';'.join(strlist), self).split(';') if strlist else []
pathlist_gen: T.Callable[[T.List[str]], T.List[Path]] = lambda strlist: [Path(x) for x in parse_generator_expressions(';'.join(strlist), self).split(';')] if strlist else []
self.vars = {k: strlist_gen(v) for k, v in self.vars.items()}
self.vars_by_file = {
p: {k: strlist_gen(v) for k, v in d.items()}
for p, d in self.vars_by_file.items()
}
self.explicit_headers = set(Path(parse_generator_expressions(str(x), self)) for x in self.explicit_headers)
self.cache = {
k: CMakeCacheEntry(
strlist_gen(v.value),
v.type
)
for k, v in self.cache.items()
}
for tgt in self.targets.values():
tgtlist_gen: T.Callable[[T.List[str], CMakeTarget], T.List[str]] = lambda strlist, t: parse_generator_expressions(';'.join(strlist), self, context_tgt=t).split(';') if strlist else []
tgt.name = parse_generator_expressions(tgt.name, self, context_tgt=tgt)
tgt.type = parse_generator_expressions(tgt.type, self, context_tgt=tgt)
tgt.properties = {
k: tgtlist_gen(v, tgt) for k, v in tgt.properties.items()
} if tgt.properties is not None else None
tgt.depends = tgtlist_gen(tgt.depends, tgt)
for ctgt in self.custom_targets:
ctgt.outputs = pathlist_gen(ctgt._outputs_str)
ctgt.command = [strlist_gen(x) for x in ctgt.command]
ctgt.working_dir = Path(parse_generator_expressions(str(ctgt.working_dir), self)) if ctgt.working_dir is not None else None
# Postprocess
for tgt in self.targets.values():
tgt.strip_properties()
def get_first_cmake_var_of(self, var_list: T.List[str]) -> T.List[str]:
# Return the first found CMake variable in list var_list
for i in var_list:
if i in self.vars:
return self.vars[i]
return []
def get_cmake_var(self, var: str) -> T.List[str]:
# Return the value of the CMake variable var or an empty list if var does not exist
if var in self.vars:
return self.vars[var]
return []
def var_to_str(self, var: str) -> T.Optional[str]:
if var in self.vars and self.vars[var]:
return self.vars[var][0]
return None
def _str_to_bool(self, expr: T.Union[str, T.List[str]]) -> bool:
if not expr:
return False
if isinstance(expr, list):
expr_str = expr[0]
else:
expr_str = expr
expr_str = expr_str.upper()
return expr_str not in ['0', 'OFF', 'NO', 'FALSE', 'N', 'IGNORE'] and not expr_str.endswith('NOTFOUND')
def var_to_bool(self, var: str) -> bool:
return self._str_to_bool(self.vars.get(var, []))
def _gen_exception(self, function: str, error: str, tline: CMakeTraceLine) -> None:
# Generate an exception if the parser is not in permissive mode
if self.permissive:
mlog.debug(f'CMake trace warning: {function}() {error}\n{tline}')
return None
raise CMakeException(f'CMake: {function}() {error}\n{tline}')
def _cmake_set(self, tline: CMakeTraceLine) -> None:
"""Handler for the CMake set() function in all variaties.
comes in three flavors:
set(<var> <value> [PARENT_SCOPE])
set(<var> <value> CACHE <type> <docstring> [FORCE])
set(ENV{<var>} <value>)
We don't support the ENV variant, and any uses of it will be ignored
silently. the other two variates are supported, with some caveats:
- we don't properly handle scoping, so calls to set() inside a
function without PARENT_SCOPE set could incorrectly shadow the
outer scope.
- We don't honor the type of CACHE arguments
"""
# DOC: https://cmake.org/cmake/help/latest/command/set.html
cache_type = None
cache_force = 'FORCE' in tline.args
try:
cache_idx = tline.args.index('CACHE')
cache_type = tline.args[cache_idx + 1]
except (ValueError, IndexError):
pass
# 1st remove PARENT_SCOPE and CACHE from args
args = []
for i in tline.args:
if not i or i == 'PARENT_SCOPE':
continue
# Discard everything after the CACHE keyword
if i == 'CACHE':
break
args.append(i)
if len(args) < 1:
return self._gen_exception('set', 'requires at least one argument', tline)
# Now that we've removed extra arguments all that should be left is the
# variable identifier and the value, join the value back together to
# ensure spaces in the value are correctly handled. This assumes that
# variable names don't have spaces. Please don't do that...
identifier = args.pop(0)
value = ' '.join(args)
# Write to the CMake cache instead
if cache_type:
# Honor how the CMake FORCE parameter works
if identifier not in self.cache or cache_force:
self.cache[identifier] = CMakeCacheEntry(value.split(';'), cache_type)
if not value:
# Same as unset
if identifier in self.vars:
del self.vars[identifier]
else:
self.vars[identifier] = value.split(';')
self.vars_by_file.setdefault(tline.file, {})[identifier] = value.split(';')
def _cmake_unset(self, tline: CMakeTraceLine) -> None:
# DOC: https://cmake.org/cmake/help/latest/command/unset.html
if len(tline.args) < 1:
return self._gen_exception('unset', 'requires at least one argument', tline)
if tline.args[0] in self.vars:
del self.vars[tline.args[0]]
def _cmake_add_executable(self, tline: CMakeTraceLine) -> None:
# DOC: https://cmake.org/cmake/help/latest/command/add_executable.html
args = list(tline.args) # Make a working copy
# Make sure the exe is imported
is_imported = True
if 'IMPORTED' not in args:
return self._gen_exception('add_executable', 'non imported executables are not supported', tline)
args.remove('IMPORTED')
if len(args) < 1:
return self._gen_exception('add_executable', 'requires at least 1 argument', tline)
self.targets[args[0]] = CMakeTarget(args[0], 'EXECUTABLE', {}, tline=tline, imported=is_imported)
def _cmake_add_library(self, tline: CMakeTraceLine) -> None:
# DOC: https://cmake.org/cmake/help/latest/command/add_library.html
args = list(tline.args) # Make a working copy
# Make sure the lib is imported
if 'INTERFACE' in args:
args.remove('INTERFACE')
if len(args) < 1:
return self._gen_exception('add_library', 'interface library name not specified', tline)
self.targets[args[0]] = CMakeTarget(args[0], 'INTERFACE', {}, tline=tline, imported='IMPORTED' in args)
elif 'IMPORTED' in args:
args.remove('IMPORTED')
# Now, only look at the first two arguments (target_name and target_type) and ignore the rest
if len(args) < 2:
return self._gen_exception('add_library', 'requires at least 2 arguments', tline)
self.targets[args[0]] = CMakeTarget(args[0], args[1], {}, tline=tline, imported=True)
elif 'ALIAS' in args:
args.remove('ALIAS')
# Now, only look at the first two arguments (target_name and target_ref) and ignore the rest
if len(args) < 2:
return self._gen_exception('add_library', 'requires at least 2 arguments', tline)
# Simulate the ALIAS with INTERFACE_LINK_LIBRARIES
self.targets[args[0]] = CMakeTarget(args[0], 'ALIAS', {'INTERFACE_LINK_LIBRARIES': [args[1]]}, tline=tline)
elif 'OBJECT' in args:
return self._gen_exception('add_library', 'OBJECT libraries are not supported', tline)
else:
self.targets[args[0]] = CMakeTarget(args[0], 'NORMAL', {}, tline=tline)
def _cmake_add_custom_command(self, tline: CMakeTraceLine, name: T.Optional[str] = None) -> None:
# DOC: https://cmake.org/cmake/help/latest/command/add_custom_command.html
args = self._flatten_args(list(tline.args)) # Commands can be passed as ';' separated lists
if not args:
return self._gen_exception('add_custom_command', 'requires at least 1 argument', tline)
# Skip the second function signature
if args[0] == 'TARGET':
return self._gen_exception('add_custom_command', 'TARGET syntax is currently not supported', tline)
magic_keys = ['OUTPUT', 'COMMAND', 'MAIN_DEPENDENCY', 'DEPENDS', 'BYPRODUCTS',
'IMPLICIT_DEPENDS', 'WORKING_DIRECTORY', 'COMMENT', 'DEPFILE',
'JOB_POOL', 'VERBATIM', 'APPEND', 'USES_TERMINAL', 'COMMAND_EXPAND_LISTS']
target = CMakeGeneratorTarget(name)
def handle_output(key: str, target: CMakeGeneratorTarget) -> None:
target._outputs_str += [key]
def handle_command(key: str, target: CMakeGeneratorTarget) -> None:
if key == 'ARGS':
return
target.command[-1] += [key]
def handle_depends(key: str, target: CMakeGeneratorTarget) -> None:
target.depends += [key]
working_dir = None
def handle_working_dir(key: str, target: CMakeGeneratorTarget) -> None:
nonlocal working_dir
if working_dir is None:
working_dir = key
else:
working_dir += ' '
working_dir += key
fn = None
for i in args:
if i in magic_keys:
if i == 'OUTPUT':
fn = handle_output
elif i == 'DEPENDS':
fn = handle_depends
elif i == 'WORKING_DIRECTORY':
fn = handle_working_dir
elif i == 'COMMAND':
fn = handle_command
target.command += [[]]
else:
fn = None
continue
if fn is not None:
fn(i, target)
cbinary_dir = self.var_to_str('MESON_PS_CMAKE_CURRENT_BINARY_DIR')
csource_dir = self.var_to_str('MESON_PS_CMAKE_CURRENT_SOURCE_DIR')
target.working_dir = Path(working_dir) if working_dir else None
target.current_bin_dir = Path(cbinary_dir) if cbinary_dir else None
target.current_src_dir = Path(csource_dir) if csource_dir else None
target._outputs_str = self._guess_files(target._outputs_str)
target.depends = self._guess_files(target.depends)
target.command = [self._guess_files(x) for x in target.command]
self.custom_targets += [target]
if name:
self.targets[name] = target
def _cmake_add_custom_target(self, tline: CMakeTraceLine) -> None:
# DOC: https://cmake.org/cmake/help/latest/command/add_custom_target.html
# We only the first parameter (the target name) is interesting
if len(tline.args) < 1:
return self._gen_exception('add_custom_target', 'requires at least one argument', tline)
# It's pretty much the same as a custom command
self._cmake_add_custom_command(tline, tline.args[0])
def _cmake_set_property(self, tline: CMakeTraceLine) -> None:
# DOC: https://cmake.org/cmake/help/latest/command/set_property.html
args = list(tline.args)
scope = args.pop(0)
append = False
targets = []
while args:
curr = args.pop(0)
# XXX: APPEND_STRING is specifically *not* supposed to create a
# list, is treating them as aliases really okay?
if curr == 'APPEND' or curr == 'APPEND_STRING':
append = True
continue
if curr == 'PROPERTY':
break
targets += curr.split(';')
if not args:
return self._gen_exception('set_property', 'faild to parse argument list', tline)
if len(args) == 1:
# Tries to set property to nothing so nothing has to be done
return
identifier = args.pop(0)
if self.trace_format == 'human':
value = ' '.join(args).split(';')
else:
value = [y for x in args for y in x.split(';')]
if not value:
return
def do_target(t: str) -> None:
if t not in self.targets:
return self._gen_exception('set_property', f'TARGET {t} not found', tline)
tgt = self.targets[t]
if identifier not in tgt.properties:
tgt.properties[identifier] = []
if append:
tgt.properties[identifier] += value
else:
tgt.properties[identifier] = value
def do_source(src: str) -> None:
if identifier != 'HEADER_FILE_ONLY' or not self._str_to_bool(value):
return
current_src_dir = self.var_to_str('MESON_PS_CMAKE_CURRENT_SOURCE_DIR')
if not current_src_dir:
mlog.warning(textwrap.dedent('''\
CMake trace: set_property(SOURCE) called before the preload script was loaded.
Unable to determine CMAKE_CURRENT_SOURCE_DIR. This can lead to build errors.
'''))
current_src_dir = '.'
cur_p = Path(current_src_dir)
src_p = Path(src)
if not src_p.is_absolute():
src_p = cur_p / src_p
self.explicit_headers.add(src_p)
if scope == 'TARGET':
for i in targets:
do_target(i)
elif scope == 'SOURCE':
files = self._guess_files(targets)
for i in files:
do_source(i)
def _cmake_set_target_properties(self, tline: CMakeTraceLine) -> None:
# DOC: https://cmake.org/cmake/help/latest/command/set_target_properties.html
args = list(tline.args)
targets = []
while args:
curr = args.pop(0)
if curr == 'PROPERTIES':
break
targets.append(curr)
# Now we need to try to reconsitute the original quoted format of the
# arguments, as a property value could have spaces in it. Unlike
# set_property() this is not context free. There are two approaches I
# can think of, both have drawbacks:
#
# 1. Assume that the property will be capitalized ([A-Z_]), this is
# convention but cmake doesn't require it.
# 2. Maintain a copy of the list here: https://cmake.org/cmake/help/latest/manual/cmake-properties.7.html#target-properties
#
# Neither of these is awesome for obvious reasons. I'm going to try
# option 1 first and fall back to 2, as 1 requires less code and less
# synchroniztion for cmake changes.
#
# With the JSON output format, introduced in CMake 3.17, spaces are
# handled properly and we don't have to do either options
arglist = [] # type: T.List[T.Tuple[str, T.List[str]]]
if self.trace_format == 'human':
name = args.pop(0)
values = [] # type: T.List[str]
prop_regex = re.compile(r'^[A-Z_]+$')
for a in args:
if prop_regex.match(a):
if values:
arglist.append((name, ' '.join(values).split(';')))
name = a
values = []
else:
values.append(a)
if values:
arglist.append((name, ' '.join(values).split(';')))
else:
arglist = [(x[0], x[1].split(';')) for x in zip(args[::2], args[1::2])]
for name, value in arglist:
for i in targets:
if i not in self.targets:
return self._gen_exception('set_target_properties', f'TARGET {i} not found', tline)
self.targets[i].properties[name] = value
def _cmake_add_dependencies(self, tline: CMakeTraceLine) -> None:
# DOC: https://cmake.org/cmake/help/latest/command/add_dependencies.html
args = list(tline.args)
if len(args) < 2:
return self._gen_exception('add_dependencies', 'takes at least 2 arguments', tline)
target = self.targets.get(args[0])
if not target:
return self._gen_exception('add_dependencies', 'target not found', tline)
for i in args[1:]:
target.depends += i.split(';')
def _cmake_target_compile_definitions(self, tline: CMakeTraceLine) -> None:
# DOC: https://cmake.org/cmake/help/latest/command/target_compile_definitions.html
self._parse_common_target_options('target_compile_definitions', 'COMPILE_DEFINITIONS', 'INTERFACE_COMPILE_DEFINITIONS', tline)
def _cmake_target_compile_options(self, tline: CMakeTraceLine) -> None:
# DOC: https://cmake.org/cmake/help/latest/command/target_compile_options.html
self._parse_common_target_options('target_compile_options', 'COMPILE_OPTIONS', 'INTERFACE_COMPILE_OPTIONS', tline)
def _cmake_target_include_directories(self, tline: CMakeTraceLine) -> None:
# DOC: https://cmake.org/cmake/help/latest/command/target_include_directories.html
self._parse_common_target_options('target_include_directories', 'INCLUDE_DIRECTORIES', 'INTERFACE_INCLUDE_DIRECTORIES', tline, ignore=['SYSTEM', 'BEFORE'], paths=True)
def _cmake_target_link_options(self, tline: CMakeTraceLine) -> None:
# DOC: https://cmake.org/cmake/help/latest/command/target_link_options.html
self._parse_common_target_options('target_link_options', 'LINK_OPTIONS', 'INTERFACE_LINK_OPTIONS', tline)
def _cmake_target_link_libraries(self, tline: CMakeTraceLine) -> None:
# DOC: https://cmake.org/cmake/help/latest/command/target_link_libraries.html
self._parse_common_target_options('target_link_options', 'LINK_LIBRARIES', 'INTERFACE_LINK_LIBRARIES', tline)
def _cmake_message(self, tline: CMakeTraceLine) -> None:
# DOC: https://cmake.org/cmake/help/latest/command/message.html
args = list(tline.args)
if len(args) < 1:
return self._gen_exception('message', 'takes at least 1 argument', tline)
if args[0].upper().strip() not in ['FATAL_ERROR', 'SEND_ERROR']:
return
self.errors += [' '.join(args[1:])]
def _parse_common_target_options(self, func: str, private_prop: str, interface_prop: str, tline: CMakeTraceLine, ignore: T.Optional[T.List[str]] = None, paths: bool = False) -> None:
if ignore is None:
ignore = ['BEFORE']
args = list(tline.args)
if len(args) < 1:
return self._gen_exception(func, 'requires at least one argument', tline)
target = args[0]
if target not in self.targets:
return self._gen_exception(func, f'TARGET {target} not found', tline)
interface = []
private = []
mode = 'PUBLIC'
for i in args[1:]:
if i in ignore:
continue
if i in ['INTERFACE', 'LINK_INTERFACE_LIBRARIES', 'PUBLIC', 'PRIVATE', 'LINK_PUBLIC', 'LINK_PRIVATE']:
mode = i
continue
if mode in ['INTERFACE', 'LINK_INTERFACE_LIBRARIES', 'PUBLIC', 'LINK_PUBLIC']:
interface += i.split(';')
if mode in ['PUBLIC', 'PRIVATE', 'LINK_PRIVATE']:
private += i.split(';')
if paths:
interface = self._guess_files(interface)
private = self._guess_files(private)
interface = [x for x in interface if x]
private = [x for x in private if x]
for j in [(private_prop, private), (interface_prop, interface)]:
if not j[0] in self.targets[target].properties:
self.targets[target].properties[j[0]] = []
self.targets[target].properties[j[0]] += j[1]
def _meson_ps_execute_delayed_calls(self, tline: CMakeTraceLine) -> None:
for l in self.stored_commands:
fn = self.functions.get(l.func, None)
if fn:
fn(l)
# clear the stored commands
self.stored_commands = []
def _meson_ps_reload_vars(self, tline: CMakeTraceLine) -> None:
self.delayed_commands = self.get_cmake_var('MESON_PS_DELAYED_CALLS')
def _meson_ps_disabled_function(self, tline: CMakeTraceLine) -> None:
args = list(tline.args)
if not args:
mlog.error('Invalid preload.cmake script! At least one argument to `meson_ps_disabled_function` is expected')
return
mlog.warning(f'The CMake function "{args[0]}" was disabled to avoid compatibility issues with Meson.')
def _lex_trace_human(self, trace: str) -> T.Generator[CMakeTraceLine, None, None]:
# The trace format is: '<file>(<line>): <func>(<args -- can contain \n> )\n'
reg_tline = re.compile(r'\s*(.*\.(cmake|txt))\(([0-9]+)\):\s*(\w+)\(([\s\S]*?) ?\)\s*\n', re.MULTILINE)
reg_other = re.compile(r'[^\n]*\n')
loc = 0
while loc < len(trace):
mo_file_line = reg_tline.match(trace, loc)
if not mo_file_line:
skip_match = reg_other.match(trace, loc)
if not skip_match:
print(trace[loc:])
raise CMakeException('Failed to parse CMake trace')
loc = skip_match.end()
continue
loc = mo_file_line.end()
file = mo_file_line.group(1)
line = mo_file_line.group(3)
func = mo_file_line.group(4)
args = mo_file_line.group(5)
argl = args.split(' ')
argl = list(map(lambda x: x.strip(), argl))
yield CMakeTraceLine(file, int(line), func, argl)
def _lex_trace_json(self, trace: str) -> T.Generator[CMakeTraceLine, None, None]:
lines = trace.splitlines(keepends=False)
lines.pop(0) # The first line is the version
for i in lines:
data = json.loads(i)
assert isinstance(data['file'], str)
assert isinstance(data['line'], int)
assert isinstance(data['cmd'], str)
assert isinstance(data['args'], list)
args = data['args']
for j in args:
assert isinstance(j, str)
yield CMakeTraceLine(data['file'], data['line'], data['cmd'], args)
def _flatten_args(self, args: T.List[str]) -> T.List[str]:
# Split lists in arguments
res = [] # type: T.List[str]
for i in args:
res += i.split(';')
return res
def _guess_files(self, broken_list: T.List[str]) -> T.List[str]:
# Nothing has to be done for newer formats
if self.trace_format != 'human':
return broken_list
# Try joining file paths that contain spaces
reg_start = re.compile(r'^([A-Za-z]:)?/(.*/)*[^./]+$')
reg_end = re.compile(r'^.*\.[a-zA-Z]+$')
fixed_list = [] # type: T.List[str]
curr_str = None # type: T.Optional[str]
path_found = False # type: bool
for i in broken_list:
if curr_str is None:
curr_str = i
path_found = False
elif Path(curr_str).is_file():
# Abort concatenation if curr_str is an existing file
fixed_list += [curr_str]
curr_str = i
path_found = False
elif not reg_start.match(curr_str):
# Abort concatenation if curr_str no longer matches the regex
fixed_list += [curr_str]
curr_str = i
path_found = False
elif reg_end.match(i):
# File detected
curr_str = f'{curr_str} {i}'
fixed_list += [curr_str]
curr_str = None
path_found = False
elif Path(f'{curr_str} {i}').exists():
# Path detected
curr_str = f'{curr_str} {i}'
path_found = True
elif path_found:
# Add path to fixed_list after ensuring the whole path is in curr_str
fixed_list += [curr_str]
curr_str = i
path_found = False
else:
curr_str = f'{curr_str} {i}'
path_found = False
if curr_str:
fixed_list += [curr_str]
return fixed_list