# 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, CMakeTarget from .client import CMakeClient, RequestCMakeInputs, RequestConfigure, RequestCompute, RequestCodeModel from .fileapi import CMakeFileAPI from .executor import CMakeExecutor from .traceparser import CMakeTraceParser, CMakeGeneratorTarget from .. import mlog from ..environment import Environment from ..mesonlib import MachineChoice, version_compare from ..compilers.compilers import lang_suffixes, header_suffixes, obj_suffixes, lib_suffixes, is_header from subprocess import Popen, PIPE from typing import Any, List, Dict, Optional, TYPE_CHECKING from threading import Thread from enum import Enum import os, re from ..mparser import ( Token, BaseNode, CodeBlockNode, FunctionNode, ArrayNode, ArgumentNode, AssignmentNode, BooleanNode, StringNode, IdNode, IndexNode, MethodNode, NumberNode, ) if TYPE_CHECKING: from ..build import Build from ..backend.backends import Backend backend_generator_map = { 'ninja': 'Ninja', 'xcode': 'Xcode', 'vs2010': 'Visual Studio 10 2010', 'vs2015': 'Visual Studio 15 2017', 'vs2017': 'Visual Studio 15 2017', 'vs2019': 'Visual Studio 16 2019', } language_map = { 'c': 'C', 'cpp': 'CXX', 'cuda': 'CUDA', 'cs': 'CSharp', 'java': 'Java', 'fortran': 'Fortran', 'swift': 'Swift', } target_type_map = { 'STATIC_LIBRARY': 'static_library', 'MODULE_LIBRARY': 'shared_module', 'SHARED_LIBRARY': 'shared_library', 'EXECUTABLE': 'executable', 'OBJECT_LIBRARY': 'static_library', 'INTERFACE_LIBRARY': 'header_only' } target_type_requires_trace = ['INTERFACE_LIBRARY'] skip_targets = ['UTILITY'] blacklist_compiler_flags = [ '-Wall', '-Wextra', '-Weverything', '-Werror', '-Wpedantic', '-pedantic', '-w', '/W1', '/W2', '/W3', '/W4', '/Wall', '/WX', '/w', '/O1', '/O2', '/Ob', '/Od', '/Og', '/Oi', '/Os', '/Ot', '/Ox', '/Oy', '/Ob0', '/RTC1', '/RTCc', '/RTCs', '/RTCu', '/Z7', '/Zi', '/ZI', ] blacklist_link_flags = [ '/machine:x64', '/machine:x86', '/machine:arm', '/machine:ebc', '/debug', '/debug:fastlink', '/debug:full', '/debug:none', '/incremental', ] blacklist_clang_cl_link_flags = ['/GR', '/EHsc', '/MDd', '/Zi', '/RTC1'] blacklist_link_libs = [ 'kernel32.lib', 'user32.lib', 'gdi32.lib', 'winspool.lib', 'shell32.lib', 'ole32.lib', 'oleaut32.lib', 'uuid.lib', 'comdlg32.lib', 'advapi32.lib' ] # Utility functions to generate local keys def _target_key(tgt_name: str) -> str: return '__tgt_{}__'.format(tgt_name) def _generated_file_key(fname: str) -> str: return '__gen_{}__'.format(os.path.basename(fname)) class ConverterTarget: lang_cmake_to_meson = {val.lower(): key for key, val in language_map.items()} rm_so_version = re.compile(r'(\.[0-9]+)+$') def __init__(self, target: CMakeTarget, env: Environment): self.env = env self.artifacts = target.artifacts self.src_dir = target.src_dir self.build_dir = target.build_dir self.name = target.name self.full_name = target.full_name self.type = target.type self.install = target.install self.install_dir = '' self.link_libraries = target.link_libraries self.link_flags = target.link_flags + target.link_lang_flags if target.install_paths: self.install_dir = target.install_paths[0] self.languages = [] self.sources = [] self.generated = [] self.includes = [] self.link_with = [] self.object_libs = [] self.compile_opts = {} self.public_compile_opts = [] self.pie = False # Project default override options (c_std, cpp_std, etc.) self.override_options = [] for i in target.files: # Determine the meson language lang = ConverterTarget.lang_cmake_to_meson.get(i.language.lower(), 'c') if lang not in self.languages: self.languages += [lang] if lang not in self.compile_opts: self.compile_opts[lang] = [] # Add arguments, but avoid duplicates args = i.flags args += ['-D{}'.format(x) for x in i.defines] self.compile_opts[lang] += [x for x in args if x not in self.compile_opts[lang]] # Handle include directories self.includes += [x for x in i.includes if x not in self.includes] # Add sources to the right array if i.is_generated: self.generated += i.sources else: self.sources += i.sources def __repr__(self) -> str: return '<{}: {}>'.format(self.__class__.__name__, self.name) std_regex = re.compile(r'([-]{1,2}std=|/std:v?|[-]{1,2}std:)(.*)') def postprocess(self, output_target_map: dict, root_src_dir: str, subdir: str, install_prefix: str, trace: CMakeTraceParser) -> None: # Detect setting the C and C++ standard for i in ['c', 'cpp']: if i not in self.compile_opts: continue temp = [] for j in self.compile_opts[i]: m = ConverterTarget.std_regex.match(j) if m: self.override_options += ['{}_std={}'.format(i, m.group(2))] elif j in ['-fPIC', '-fpic', '-fPIE', '-fpie']: self.pie = True elif j in blacklist_compiler_flags: pass else: temp += [j] self.compile_opts[i] = temp # Make sure to force enable -fPIC for OBJECT libraries if self.type.upper() == 'OBJECT_LIBRARY': self.pie = True # Use the CMake trace, if required if self.type.upper() in target_type_requires_trace: if self.name in trace.targets: props = trace.targets[self.name].properties self.includes += props.get('INTERFACE_INCLUDE_DIRECTORIES', []) self.public_compile_opts += props.get('INTERFACE_COMPILE_DEFINITIONS', []) self.public_compile_opts += props.get('INTERFACE_COMPILE_OPTIONS', []) self.link_flags += props.get('INTERFACE_LINK_OPTIONS', []) else: mlog.warning('CMake: Target', mlog.bold(self.name), 'not found in CMake trace. This can lead to build errors') # Fix link libraries def try_resolve_link_with(path: str) -> Optional[str]: basename = os.path.basename(path) candidates = [basename, ConverterTarget.rm_so_version.sub('', basename)] for i in lib_suffixes: if not basename.endswith('.' + i): continue new_basename = basename[:-len(i) - 1] new_basename = ConverterTarget.rm_so_version.sub('', new_basename) new_basename = '{}.{}'.format(new_basename, i) candidates += [new_basename] for i in candidates: if i in output_target_map: return output_target_map[i] return None temp = [] for i in self.link_libraries: # Let meson handle this arcane magic if ',-rpath,' in i: continue if not os.path.isabs(i): link_with = try_resolve_link_with(i) if link_with: self.link_with += [link_with] continue temp += [i] self.link_libraries = temp # Filter out files that are not supported by the language supported = list(header_suffixes) + list(obj_suffixes) for i in self.languages: supported += list(lang_suffixes[i]) supported = ['.{}'.format(x) for x in supported] self.sources = [x for x in self.sources if any([x.endswith(y) for y in supported])] self.generated = [x for x in self.generated if any([x.endswith(y) for y in supported])] # Make paths relative def rel_path(x: str, is_header: bool, is_generated: bool) -> Optional[str]: if not os.path.isabs(x): x = os.path.normpath(os.path.join(self.src_dir, x)) if not os.path.exists(x) and not any([x.endswith(y) for y in obj_suffixes]) and not is_generated: mlog.warning('CMake: path', mlog.bold(x), 'does not exist. Ignoring. This can lead to build errors') return None if os.path.isabs(x) and os.path.commonpath([x, self.env.get_build_dir()]) == self.env.get_build_dir(): if is_header: return os.path.relpath(x, os.path.join(self.env.get_build_dir(), subdir)) else: return os.path.relpath(x, root_src_dir) if os.path.isabs(x) and os.path.commonpath([x, root_src_dir]) == root_src_dir: return os.path.relpath(x, root_src_dir) return x def custom_target(x: str): key = _generated_file_key(x) if key in output_target_map: ctgt = output_target_map[key] assert(isinstance(ctgt, ConverterCustomTarget)) ref = ctgt.get_ref(x) assert(isinstance(ref, CustomTargetReference) and ref.valid()) return ref return x build_dir_rel = os.path.relpath(self.build_dir, os.path.join(self.env.get_build_dir(), subdir)) self.includes = list(set([rel_path(x, True, False) for x in set(self.includes)] + [build_dir_rel])) self.sources = [rel_path(x, False, False) for x in self.sources] self.generated = [rel_path(x, False, True) for x in self.generated] # Resolve custom targets self.generated = [custom_target(x) for x in self.generated] # Remove delete entries self.includes = [x for x in self.includes if x is not None] self.sources = [x for x in self.sources if x is not None] self.generated = [x for x in self.generated if x is not None] # Make sure '.' is always in the include directories if '.' not in self.includes: self.includes += ['.'] # make install dir relative to the install prefix if self.install_dir and os.path.isabs(self.install_dir): if os.path.commonpath([self.install_dir, install_prefix]) == install_prefix: self.install_dir = os.path.relpath(self.install_dir, install_prefix) # Remove blacklisted options and libs def check_flag(flag: str) -> bool: if flag.lower() in blacklist_link_flags or flag in blacklist_compiler_flags + blacklist_clang_cl_link_flags: return False if flag.startswith('/D'): return False return True self.link_libraries = [x for x in self.link_libraries if x.lower() not in blacklist_link_libs] self.link_flags = [x for x in self.link_flags if check_flag(x)] def process_object_libs(self, obj_target_list: List['ConverterTarget']): # Try to detect the object library(s) from the generated input sources temp = [x for x in self.generated if isinstance(x, str)] temp = [os.path.basename(x) for x in temp] temp = [x for x in temp if any([x.endswith('.' + y) for y in obj_suffixes])] temp = [os.path.splitext(x)[0] for x in temp] # Temp now stores the source filenames of the object files for i in obj_target_list: source_files = [os.path.basename(x) for x in i.sources + i.generated] for j in source_files: if j in temp: self.object_libs += [i] break # Filter out object files from the sources self.generated = [x for x in self.generated if not isinstance(x, str) or not any([x.endswith('.' + y) for y in obj_suffixes])] def meson_func(self) -> str: return target_type_map.get(self.type.upper()) def log(self) -> None: mlog.log('Target', mlog.bold(self.name)) mlog.log(' -- artifacts: ', mlog.bold(str(self.artifacts))) mlog.log(' -- full_name: ', mlog.bold(self.full_name)) mlog.log(' -- type: ', mlog.bold(self.type)) mlog.log(' -- install: ', mlog.bold('true' if self.install else 'false')) mlog.log(' -- install_dir: ', mlog.bold(self.install_dir)) mlog.log(' -- link_libraries: ', mlog.bold(str(self.link_libraries))) mlog.log(' -- link_with: ', mlog.bold(str(self.link_with))) mlog.log(' -- object_libs: ', mlog.bold(str(self.object_libs))) mlog.log(' -- link_flags: ', mlog.bold(str(self.link_flags))) mlog.log(' -- languages: ', mlog.bold(str(self.languages))) mlog.log(' -- includes: ', mlog.bold(str(self.includes))) mlog.log(' -- sources: ', mlog.bold(str(self.sources))) mlog.log(' -- generated: ', mlog.bold(str(self.generated))) mlog.log(' -- pie: ', mlog.bold('true' if self.pie else 'false')) mlog.log(' -- override_opts: ', mlog.bold(str(self.override_options))) mlog.log(' -- options:') for key, val in self.compile_opts.items(): mlog.log(' -', key, '=', mlog.bold(str(val))) class CustomTargetReference: def __init__(self, ctgt: 'ConverterCustomTarget', index: int): self.ctgt = ctgt # type: ConverterCustomTarget self.index = index # type: int def __repr__(self) -> str: if self.valid(): return '<{}: {} [{}]>'.format(self.__class__.__name__, self.ctgt.name, self.ctgt.outputs[self.index]) else: return '<{}: INVALID REFERENCE>'.format(self.__class__.__name__) def valid(self) -> bool: return self.ctgt is not None and self.index >= 0 def filename(self) -> str: return self.ctgt.outputs[self.index] class ConverterCustomTarget: tgt_counter = 0 # type: int def __init__(self, target: CMakeGeneratorTarget): self.name = 'custom_tgt_{}'.format(ConverterCustomTarget.tgt_counter) self.original_outputs = list(target.outputs) self.outputs = [os.path.basename(x) for x in self.original_outputs] self.command = target.command self.working_dir = target.working_dir self.depends_raw = target.depends self.inputs = [] self.depends = [] ConverterCustomTarget.tgt_counter += 1 def __repr__(self) -> str: return '<{}: {}>'.format(self.__class__.__name__, self.outputs) def postprocess(self, output_target_map: dict, root_src_dir: str, subdir: str, build_dir: str) -> None: # Default the working directory to the CMake build dir. This # is not 100% correct, since it should be the value of # ${CMAKE_CURRENT_BINARY_DIR} when add_custom_command is # called. However, keeping track of this variable is not # trivial and the current solution should work in most cases. if not self.working_dir: self.working_dir = build_dir # relative paths in the working directory are always relative # to ${CMAKE_CURRENT_BINARY_DIR} (see note above) if not os.path.isabs(self.working_dir): self.working_dir = os.path.normpath(os.path.join(build_dir, self.working_dir)) # Modify the original outputs if they are relative. Again, # relative paths are relative to ${CMAKE_CURRENT_BINARY_DIR} # and the first disclaimer is still in effect def ensure_absolute(x: str): if os.path.isabs(x): return x else: return os.path.normpath(os.path.join(build_dir, x)) self.original_outputs = [ensure_absolute(x) for x in self.original_outputs] # Check if the command is a build target commands = [] for i in self.command: assert(isinstance(i, list)) cmd = [] for j in i: target_key = _target_key(j) if target_key in output_target_map: cmd += [output_target_map[target_key]] else: cmd += [j] commands += [cmd] self.command = commands # Check dependencies and input files for i in self.depends_raw: tgt_key = _target_key(i) gen_key = _generated_file_key(i) if os.path.basename(i) in output_target_map: self.depends += [output_target_map[os.path.basename(i)]] elif tgt_key in output_target_map: self.depends += [output_target_map[tgt_key]] elif gen_key in output_target_map: self.inputs += [output_target_map[gen_key].get_ref(i)] elif not os.path.isabs(i) and os.path.exists(os.path.join(root_src_dir, i)): self.inputs += [i] elif os.path.isabs(i) and os.path.exists(i) and os.path.commonpath([i, root_src_dir]) == root_src_dir: self.inputs += [os.path.relpath(i, root_src_dir)] def get_ref(self, fname: str) -> Optional[CustomTargetReference]: try: idx = self.outputs.index(os.path.basename(fname)) return CustomTargetReference(self, idx) except ValueError: return None def log(self) -> None: mlog.log('Custom Target', mlog.bold(self.name)) mlog.log(' -- command: ', mlog.bold(str(self.command))) mlog.log(' -- outputs: ', mlog.bold(str(self.outputs))) mlog.log(' -- working_dir: ', mlog.bold(str(self.working_dir))) mlog.log(' -- depends_raw: ', mlog.bold(str(self.depends_raw))) mlog.log(' -- inputs: ', mlog.bold(str(self.inputs))) mlog.log(' -- depends: ', mlog.bold(str(self.depends))) class CMakeAPI(Enum): SERVER = 1 FILE = 2 class CMakeInterpreter: def __init__(self, build: 'Build', subdir: str, src_dir: str, install_prefix: str, env: Environment, backend: 'Backend'): assert(hasattr(backend, 'name')) self.build = build self.subdir = subdir self.src_dir = src_dir self.build_dir_rel = os.path.join(subdir, '__CMake_build') self.build_dir = os.path.join(env.get_build_dir(), self.build_dir_rel) self.install_prefix = install_prefix self.env = env self.backend_name = backend.name self.cmake_api = CMakeAPI.SERVER self.client = CMakeClient(self.env) self.fileapi = CMakeFileAPI(self.build_dir) # Raw CMake results self.bs_files = [] self.codemodel_configs = None self.raw_trace = None # Analysed data self.project_name = '' self.languages = [] self.targets = [] self.custom_targets = [] # type: List[ConverterCustomTarget] self.trace = CMakeTraceParser() # Generated meson data self.generated_targets = {} def configure(self, extra_cmake_options: List[str]) -> None: for_machine = MachineChoice.HOST # TODO make parameter # Find CMake cmake_exe = CMakeExecutor(self.env, '>=3.7', for_machine) if not cmake_exe.found(): raise CMakeException('Unable to find CMake') generator = backend_generator_map[self.backend_name] cmake_args = cmake_exe.get_command() if version_compare(cmake_exe.version(), '>=3.14'): self.cmake_api = CMakeAPI.FILE self.fileapi.setup_request() # Map meson compiler to CMake variables for lang, comp in self.env.coredata.compilers[for_machine].items(): if lang not in language_map: continue cmake_lang = language_map[lang] exelist = comp.get_exelist() if len(exelist) == 1: cmake_args += ['-DCMAKE_{}_COMPILER={}'.format(cmake_lang, exelist[0])] elif len(exelist) == 2: cmake_args += ['-DCMAKE_{}_COMPILER_LAUNCHER={}'.format(cmake_lang, exelist[0]), '-DCMAKE_{}_COMPILER={}'.format(cmake_lang, exelist[1])] if hasattr(comp, 'get_linker_exelist') and comp.get_id() == 'clang-cl': cmake_args += ['-DCMAKE_LINKER={}'.format(comp.get_linker_exelist()[0])] cmake_args += ['-G', generator] cmake_args += ['-DCMAKE_INSTALL_PREFIX={}'.format(self.install_prefix)] cmake_args += ['--trace', '--trace-expand'] cmake_args += extra_cmake_options # Run CMake mlog.log() with mlog.nested(): mlog.log('Configuring the build directory with', mlog.bold('CMake'), 'version', mlog.cyan(cmake_exe.version())) mlog.log(mlog.bold('Running:'), ' '.join(cmake_args)) mlog.log() os.makedirs(self.build_dir, exist_ok=True) os_env = os.environ.copy() os_env['LC_ALL'] = 'C' proc = Popen(cmake_args + [self.src_dir], stdout=PIPE, stderr=PIPE, cwd=self.build_dir, env=os_env) def print_stdout(): while True: line = proc.stdout.readline() if not line: break mlog.log(line.decode('utf-8').strip('\n')) proc.stdout.close() t = Thread(target=print_stdout) t.start() self.raw_trace = proc.stderr.read() self.raw_trace = self.raw_trace.decode('utf-8') proc.stderr.close() proc.wait() t.join() mlog.log() h = mlog.green('SUCCEEDED') if proc.returncode == 0 else mlog.red('FAILED') mlog.log('CMake configuration:', h) if proc.returncode != 0: raise CMakeException('Failed to configure the CMake subproject') def initialise(self, extra_cmake_options: List[str]) -> None: # Run configure the old way because doing it # with the server doesn't work for some reason # Additionally, the File API requires a configure anyway self.configure(extra_cmake_options) # Continue with the file API If supported if self.cmake_api is CMakeAPI.FILE: # Parse the result self.fileapi.load_reply() # Load the buildsystem file list cmake_files = self.fileapi.get_cmake_sources() self.bs_files = [x.file for x in cmake_files if not x.is_cmake and not x.is_temp] self.bs_files = [os.path.relpath(x, self.env.get_source_dir()) for x in self.bs_files] self.bs_files = list(set(self.bs_files)) # Load the codemodel configurations self.codemodel_configs = self.fileapi.get_cmake_configurations() return with self.client.connect(): generator = backend_generator_map[self.backend_name] self.client.do_handshake(self.src_dir, self.build_dir, generator, 1) # Do a second configure to initialise the server self.client.query_checked(RequestConfigure(), 'CMake server configure') # Generate the build system files self.client.query_checked(RequestCompute(), 'Generating build system files') # Get CMake build system files bs_reply = self.client.query_checked(RequestCMakeInputs(), 'Querying build system files') # Now get the CMake code model cm_reply = self.client.query_checked(RequestCodeModel(), 'Querying the CMake code model') src_dir = bs_reply.src_dir self.bs_files = [x.file for x in bs_reply.build_files if not x.is_cmake and not x.is_temp] self.bs_files = [os.path.relpath(os.path.join(src_dir, x), self.env.get_source_dir()) for x in self.bs_files] self.bs_files = list(set(self.bs_files)) self.codemodel_configs = cm_reply.configs def analyse(self) -> None: if self.codemodel_configs is None: raise CMakeException('CMakeInterpreter was not initialized') # Clear analyser data self.project_name = '' self.languages = [] self.targets = [] self.custom_targets = [] self.trace = CMakeTraceParser(permissive=True) # Parse the trace self.trace.parse(self.raw_trace) # Find all targets for i in self.codemodel_configs: for j in i.projects: if not self.project_name: self.project_name = j.name for k in j.targets: if k.type not in skip_targets: self.targets += [ConverterTarget(k, self.env)] # Add interface targets from trace, if not already present. # This step is required because interface targets were removed from # the CMake file API output. api_target_name_list = [x.name for x in self.targets] for i in self.trace.targets.values(): if i.type != 'INTERFACE' or i.name in api_target_name_list or i.imported: continue dummy = CMakeTarget({ 'name': i.name, 'type': 'INTERFACE_LIBRARY', 'sourceDirectory': self.src_dir, 'buildDirectory': self.build_dir, }) self.targets += [ConverterTarget(dummy, self.env)] for i in self.trace.custom_targets: self.custom_targets += [ConverterCustomTarget(i)] # generate the output_target_map output_target_map = {} output_target_map.update({x.full_name: x for x in self.targets}) output_target_map.update({_target_key(x.name): x for x in self.targets}) for i in self.targets: for j in i.artifacts: output_target_map[os.path.basename(j)] = i for i in self.custom_targets: for j in i.original_outputs: output_target_map[_generated_file_key(j)] = i object_libs = [] # First pass: Basic target cleanup for i in self.custom_targets: i.postprocess(output_target_map, self.src_dir, self.subdir, self.build_dir) for i in self.targets: i.postprocess(output_target_map, self.src_dir, self.subdir, self.install_prefix, self.trace) if i.type == 'OBJECT_LIBRARY': object_libs += [i] self.languages += [x for x in i.languages if x not in self.languages] # Second pass: Detect object library dependencies for i in self.targets: i.process_object_libs(object_libs) mlog.log('CMake project', mlog.bold(self.project_name), 'has', mlog.bold(str(len(self.targets) + len(self.custom_targets))), 'build targets.') def pretend_to_be_meson(self) -> CodeBlockNode: if not self.project_name: raise CMakeException('CMakeInterpreter was not analysed') def token(tid: str = 'string', val='') -> Token: return Token(tid, self.subdir, 0, 0, 0, None, val) def string(value: str) -> StringNode: return StringNode(token(val=value)) def id_node(value: str) -> IdNode: return IdNode(token(val=value)) def number(value: int) -> NumberNode: return NumberNode(token(val=value)) def nodeify(value): if isinstance(value, str): return string(value) elif isinstance(value, bool): return BooleanNode(token(), value) elif isinstance(value, int): return number(value) elif isinstance(value, list): return array(value) return value def indexed(node: BaseNode, index: int) -> IndexNode: return IndexNode(node, nodeify(index)) def array(elements) -> ArrayNode: args = ArgumentNode(token()) if not isinstance(elements, list): elements = [args] args.arguments += [nodeify(x) for x in elements] return ArrayNode(args, 0, 0, 0, 0) def function(name: str, args=None, kwargs=None) -> FunctionNode: if args is None: args = [] if kwargs is None: kwargs = {} args_n = ArgumentNode(token()) if not isinstance(args, list): args = [args] args_n.arguments = [nodeify(x) for x in args] args_n.kwargs = {k: nodeify(v) for k, v in kwargs.items()} func_n = FunctionNode(self.subdir, 0, 0, 0, 0, name, args_n) return func_n def method(obj: BaseNode, name: str, args=None, kwargs=None) -> MethodNode: if args is None: args = [] if kwargs is None: kwargs = {} args_n = ArgumentNode(token()) if not isinstance(args, list): args = [args] args_n.arguments = [nodeify(x) for x in args] args_n.kwargs = {k: nodeify(v) for k, v in kwargs.items()} return MethodNode(self.subdir, 0, 0, obj, name, args_n) def assign(var_name: str, value: BaseNode) -> AssignmentNode: return AssignmentNode(self.subdir, 0, 0, var_name, value) # Generate the root code block and the project function call root_cb = CodeBlockNode(token()) root_cb.lines += [function('project', [self.project_name] + self.languages)] # Add the run script for custom commands run_script = '{}/data/run_ctgt.py'.format(os.path.dirname(os.path.realpath(__file__))) run_script_var = 'ctgt_run_script' root_cb.lines += [assign(run_script_var, function('find_program', [[run_script]], {'required': True}))] # Add the targets processed = {} def resolve_ctgt_ref(ref: CustomTargetReference) -> BaseNode: tgt_var = processed[ref.ctgt.name]['tgt'] if len(ref.ctgt.outputs) == 1: return id_node(tgt_var) else: return indexed(id_node(tgt_var), ref.index) def process_target(tgt: ConverterTarget): # First handle inter target dependencies link_with = [] objec_libs = [] sources = [] generated = [] generated_filenames = [] custom_targets = [] for i in tgt.link_with: assert(isinstance(i, ConverterTarget)) if i.name not in processed: process_target(i) link_with += [id_node(processed[i.name]['tgt'])] for i in tgt.object_libs: assert(isinstance(i, ConverterTarget)) if i.name not in processed: process_target(i) objec_libs += [processed[i.name]['tgt']] # Generate the source list and handle generated sources for i in tgt.sources + tgt.generated: if isinstance(i, CustomTargetReference): if i.ctgt.name not in processed: process_custom_target(i.ctgt) generated += [resolve_ctgt_ref(i)] generated_filenames += [i.filename()] if i.ctgt not in custom_targets: custom_targets += [i.ctgt] else: sources += [i] # Add all header files from all used custom targets. This # ensures that all custom targets are built before any # sources of the current target are compiled and thus all # header files are present. This step is necessary because # CMake always ensures that a custom target is executed # before another target if at least one output is used. for i in custom_targets: for j in i.outputs: if not is_header(j) or j in generated_filenames: continue generated += [resolve_ctgt_ref(i.get_ref(j))] generated_filenames += [j] # Determine the meson function to use for the build target tgt_func = tgt.meson_func() if not tgt_func: raise CMakeException('Unknown target type "{}"'.format(tgt.type)) # Determine the variable names base_name = str(tgt.name) base_name = base_name.replace('-', '_') inc_var = '{}_inc'.format(base_name) src_var = '{}_src'.format(base_name) dep_var = '{}_dep'.format(base_name) tgt_var = base_name # Generate target kwargs tgt_kwargs = { 'link_args': tgt.link_flags + tgt.link_libraries, 'link_with': link_with, 'include_directories': id_node(inc_var), 'install': tgt.install, 'install_dir': tgt.install_dir, 'override_options': tgt.override_options, 'objects': [method(id_node(x), 'extract_all_objects') for x in objec_libs], } # Handle compiler args for key, val in tgt.compile_opts.items(): tgt_kwargs['{}_args'.format(key)] = val # Handle -fPCI, etc if tgt_func == 'executable': tgt_kwargs['pie'] = tgt.pie elif tgt_func == 'static_library': tgt_kwargs['pic'] = tgt.pie # declare_dependency kwargs dep_kwargs = { 'link_args': tgt.link_flags + tgt.link_libraries, 'link_with': id_node(tgt_var), 'compile_args': tgt.public_compile_opts, 'include_directories': id_node(inc_var), } # Generate the function nodes inc_node = assign(inc_var, function('include_directories', tgt.includes)) node_list = [inc_node] if tgt_func == 'header_only': del dep_kwargs['link_with'] dep_node = assign(dep_var, function('declare_dependency', kwargs=dep_kwargs)) node_list += [dep_node] src_var = '' tgt_var = '' else: src_node = assign(src_var, function('files', sources)) tgt_node = assign(tgt_var, function(tgt_func, [base_name, [id_node(src_var)] + generated], tgt_kwargs)) node_list += [src_node, tgt_node] if tgt_func in ['static_library', 'shared_library']: dep_node = assign(dep_var, function('declare_dependency', kwargs=dep_kwargs)) node_list += [dep_node] else: dep_var = '' # Add the nodes to the ast root_cb.lines += node_list processed[tgt.name] = {'inc': inc_var, 'src': src_var, 'dep': dep_var, 'tgt': tgt_var, 'func': tgt_func} def process_custom_target(tgt: ConverterCustomTarget) -> None: # CMake allows to specify multiple commands in a custom target. # To map this to meson, a helper script is used to execute all # commands in order. This additionally allows setting the working # directory. tgt_var = tgt.name # type: str def resolve_source(x: Any) -> Any: if isinstance(x, ConverterTarget): if x.name not in processed: process_target(x) return id_node(x.name) elif isinstance(x, CustomTargetReference): if x.ctgt.name not in processed: process_custom_target(x.ctgt) return resolve_ctgt_ref(x) else: return x # Generate the command list command = [] command += [id_node(run_script_var)] command += ['-o', '@OUTPUT@'] command += ['-O'] + tgt.original_outputs command += ['-d', tgt.working_dir] # Generate the commands. Subcommands are separated by ';;;' for cmd in tgt.command: command += [resolve_source(x) for x in cmd] + [';;;'] tgt_kwargs = { 'input': [resolve_source(x) for x in tgt.inputs], 'output': tgt.outputs, 'command': command, 'depends': [resolve_source(x) for x in tgt.depends], } root_cb.lines += [assign(tgt_var, function('custom_target', [tgt.name], tgt_kwargs))] processed[tgt.name] = {'inc': None, 'src': None, 'dep': None, 'tgt': tgt_var, 'func': 'custom_target'} # Now generate the target function calls for i in self.custom_targets: if i.name not in processed: process_custom_target(i) for i in self.targets: if i.name not in processed: process_target(i) self.generated_targets = processed return root_cb def target_info(self, target: str) -> Optional[Dict[str, str]]: if target in self.generated_targets: return self.generated_targets[target] return None def target_list(self) -> List[str]: return list(self.generated_targets.keys())