# 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 .client import CMakeClient, RequestCMakeInputs, RequestConfigure, RequestCompute, RequestCodeModel, CMakeTarget from .. import mlog from ..build import Build from ..environment import Environment from ..mparser import Token, BaseNode, CodeBlockNode, FunctionNode, ArrayNode, ArgumentNode, AssignmentNode, BooleanNode, StringNode, IdNode, MethodNode from ..backend.backends import Backend from ..compilers.compilers import obj_suffixes from ..dependencies.base import CMakeDependency, ExternalProgram from subprocess import Popen, PIPE, STDOUT from typing import List import os, re backend_generator_map = { 'ninja': 'Ninja', 'xcode': 'Xcode', 'vs2010': 'Visual Studio 10 2010', 'vs2015': 'Visual Studio 15 2017', 'vs2017': 'Visual Studio 15 2017', } 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', } skip_targets = ['UTILITY'] skip_input_extensions = ['.rule'] class ConverterTarget: lang_cmake_to_meson = {val.lower(): key for key, val in language_map.items()} 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.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) -> 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 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 # Fix link libraries temp = [] for i in self.link_libraries: # Let meson handle this arcane magic if ',-rpath,' in i: continue if not os.path.isabs(i): basename = os.path.basename(i) if basename in output_target_map: self.link_with += [output_target_map[basename]] continue temp += [i] self.link_libraries = temp # Make paths relative def rel_path(x: str) -> str: if not os.path.isabs(x): x = os.path.normpath(os.path.join(self.src_dir, x)) if os.path.isabs(x) and os.path.commonpath([x, root_src_dir]) == root_src_dir: return os.path.relpath(x, root_src_dir) if os.path.isabs(x) and os.path.commonpath([x, self.env.get_build_dir()]) == self.env.get_build_dir(): return os.path.relpath(x, os.path.join(self.env.get_build_dir(), subdir)) 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) for x in set(self.includes)] + [build_dir_rel])) self.sources = [rel_path(x) for x in self.sources] self.generated = [rel_path(x) for x in self.generated] # Filter out CMake rule files self.sources = [x for x in self.sources if not any([x.endswith(y) for y in skip_input_extensions])] self.generated = [x for x in self.generated if not any([x.endswith(y) for y in skip_input_extensions])] # 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) def process_object_libs(self, obj_target_list: List['ConverterTarget']): # Try to detect the object library(s) from the generated input sources temp = [os.path.basename(x) for x in self.generated] 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 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 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.client = CMakeClient(self.env) # Raw CMake results self.bs_files = [] self.codemodel = None # Analysed data self.project_name = '' self.languages = [] self.targets = [] def configure(self, extra_cmake_options: List[str]) -> None: # Find CMake cmake_exe, cmake_vers, _ = CMakeDependency.find_cmake_binary(self.env) if cmake_exe is None or cmake_exe is False: raise CMakeException('Unable to find CMake') assert(isinstance(cmake_exe, ExternalProgram)) if not cmake_exe.found(): raise CMakeException('Unable to find CMake') generator = backend_generator_map[self.backend_name] cmake_args = cmake_exe.get_command() # Map meson compiler to CMake variables for lang, comp in self.build.compilers.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])] cmake_args += ['-G', generator] cmake_args += ['-DCMAKE_INSTALL_PREFIX={}'.format(self.install_prefix)] 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_vers)) 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=STDOUT, cwd=self.build_dir, env=os_env) # Print CMake log in realtime while True: line = proc.stdout.readline() if not line: break mlog.log(line.decode('utf-8').strip('\n')) # Wait for CMake to finish proc.communicate() 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 becuse doing it # with the server doesn't work for some reason self.configure(extra_cmake_options) 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 = cm_reply def analyse(self) -> None: if self.codemodel is None: raise CMakeException('CMakeInterpreter was not initialized') # Clear analyser data self.project_name = '' self.languages = [] self.targets = [] # 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)] output_target_map = {x.full_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 object_libs = [] # First pass: Basic target cleanup for i in self.targets: i.postprocess(output_target_map, self.src_dir, self.subdir, self.install_prefix) 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))), '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(value: str) -> IdNode: return IdNode(token(val=value)) def nodeify(value): if isinstance(value, str): return string(value) elif isinstance(value, bool): return BooleanNode(token(), value) elif isinstance(value, list): return array(value) return value 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) def function(name: str, args=[], kwargs={}) -> FunctionNode: 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, name, args_n) return func_n def method(obj: BaseNode, name: str, args=[], kwargs={}) -> MethodNode: 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)] processed = {} def process_target(tgt: ConverterTarget): # First handle inter target dependencies link_with = [] objec_libs = [] for i in tgt.link_with: assert(isinstance(i, ConverterTarget)) if i.name not in processed: process_target(i) link_with += [id(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']] # 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(inc_var), 'install': tgt.install, 'install_dir': tgt.install_dir, 'override_options': tgt.override_options, 'objects': [method(id(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(tgt_var), 'include_directories': id(inc_var), } # Generate the function nodes inc_node = assign(inc_var, function('include_directories', tgt.includes)) src_node = assign(src_var, function('files', tgt.sources + tgt.generated)) tgt_node = assign(tgt_var, function(tgt_func, [base_name, id(src_var)], tgt_kwargs)) dep_node = assign(dep_var, function('declare_dependency', kwargs=dep_kwargs)) # Add the nodes to the ast root_cb.lines += [inc_node, src_node, tgt_node, dep_node] processed[tgt.name] = {'inc': inc_var, 'src': src_var, 'dep': dep_var, 'tgt': tgt_var} # Now generate the target function calls for i in self.targets: if i.name not in processed: process_target(i) return root_cb