diff options
author | Daniel Mensinger <daniel@mensinger-ka.de> | 2019-02-22 22:10:49 +0100 |
---|---|---|
committer | Daniel Mensinger <daniel@mensinger-ka.de> | 2019-06-06 18:27:02 +0200 |
commit | e55236bde495cb7c638a010c2de2dcadc31273e0 (patch) | |
tree | 79614672b5e7d0552d2e77c8f5ddab724c16d6c6 /mesonbuild/cmake | |
parent | 5089eb356b2cc1d68fdc8b06946e2676dd48d576 (diff) | |
download | meson-e55236bde495cb7c638a010c2de2dcadc31273e0.zip meson-e55236bde495cb7c638a010c2de2dcadc31273e0.tar.gz meson-e55236bde495cb7c638a010c2de2dcadc31273e0.tar.bz2 |
cmake: basic AST generation
Diffstat (limited to 'mesonbuild/cmake')
-rw-r--r-- | mesonbuild/cmake/interpreter.py | 203 |
1 files changed, 196 insertions, 7 deletions
diff --git a/mesonbuild/cmake/interpreter.py b/mesonbuild/cmake/interpreter.py index d717c59..3011720 100644 --- a/mesonbuild/cmake/interpreter.py +++ b/mesonbuild/cmake/interpreter.py @@ -16,14 +16,16 @@ # or an interpreter-based tool. from .common import CMakeException -from .client import CMakeClient, RequestCMakeInputs, RequestConfigure, RequestCompute, RequestCodeModel +from .client import CMakeClient, RequestCMakeInputs, RequestConfigure, RequestCompute, RequestCodeModel, CMakeTarget from .. import mlog from ..build import Build from ..environment import Environment +from ..mparser import Token, CodeBlockNode, FunctionNode, ArrayNode, ArgumentNode, StringNode, IdNode from ..backend.backends import Backend from ..dependencies.base import CMakeDependency, ExternalProgram from subprocess import Popen, PIPE, STDOUT -import os +from typing import Dict +import os, re CMAKE_BACKEND_GENERATOR_MAP = { 'ninja': 'Ninja', @@ -43,16 +45,135 @@ CMAKE_LANGUAGE_MAP = { 'swift': 'Swift', } +class ConverterTarget: + lang_cmake_to_meson = {val.lower(): key for key, val in CMAKE_LANGUAGE_MAP.items()} + + def __init__(self, target: CMakeTarget): + self.artifacts = target.artifacts + self.src_dir = target.src_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.compile_opts = {} + + # 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?)(.*)') + + def postprocess(self, output_target_map) -> None: + # Detect setting the C and C++ standard + for i in ['c', 'cpp']: + if not i 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))] + else: + temp += [j] + + self.compile_opts[i] = temp + + # Fix link libraries + temp = [] + for i in self.link_libraries: + # Let meson handle this arcane magic + if ',-rpath,' in i: + continue + if i in output_target_map: + self.link_with += [output_target_map[i]] + continue + + temp += [i] + self.link_libraries = temp + + # Make paths relative + def rel_path(x: str) -> str: + if os.path.isabs(x) and os.path.commonpath([x, self.src_dir]) == self.src_dir: + return os.path.relpath(x, self.src_dir) + return x + + self.includes = [rel_path(x) for x in self.includes] + self.sources = [rel_path(x) for x in self.sources] + self.generated = [rel_path(x) for x in self.generated] + + def log(self) -> None: + mlog.log('Target', mlog.bold(self.name)) + 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(' -- 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(' -- 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, src_dir: str, build_dir: str, env: Environment, backend: Backend): + def __init__(self, build: Build, subdir: str, src_dir: str, build_dir: str, env: Environment, backend: Backend): assert(hasattr(backend, 'name')) self.build = build + self.subdir = subdir self.src_dir = src_dir self.build_dir = build_dir self.env = env self.backend_name = backend.name self.client = CMakeClient(self.env) - os.makedirs(self.build_dir, exist_ok=True) + + # Raw CMake results + self.bs_files = [] + self.codemodel = None + + # Analysed data + self.project_name = '' + self.languages = [] def configure(self) -> None: # Find CMake @@ -80,9 +201,12 @@ class CMakeInterpreter: cmake_args += ['-G', generator] # Run CMake - mlog.log('Configuring the build directory with', mlog.bold('CMake'), 'version', mlog.cyan(cmake_vers)) + 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) proc = Popen(cmake_args + [self.src_dir], stdout=PIPE, stderr=STDOUT, cwd=self.build_dir) # Print CMake log in realtime @@ -95,12 +219,13 @@ class CMakeInterpreter: # 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 run(self) -> None: + def initialise(self) -> None: # Run configure the old way becuse doing it # with the server doesn't work for some reason self.configure() @@ -120,4 +245,68 @@ class CMakeInterpreter: # Now get the CMake code model cm_reply = self.client.query_checked(RequestCodeModel(), 'Querying the CMake code model') - cm_reply.log() + + 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.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 = [] + + # Find all targets + 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: + targets += [ConverterTarget(k)] + + output_target_map = {x.full_name: x for x in targets} + + for i in targets: + i.postprocess(output_target_map) + self.languages += [x for x in i.languages if x not in self.languages] + + mlog.log('CMake project', mlog.bold(self.project_name), 'has', mlog.bold(str(len(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 array(elements: list) -> ArrayNode: + args = ArgumentNode(token()) + for i in elements: + if isinstance(i, str): + i = string(i) + args.arguments += [i] + return ArrayNode(args, 0, 0) + + def function(name: str, args=[]) -> FunctionNode: + args_n = ArgumentNode(token()) + for i in args: + if isinstance(i, str): + i = string(i) + args_n.arguments += [i] + func_n = FunctionNode(self.subdir, 0, 0, name, args_n) + return func_n + + root_cb = CodeBlockNode(token()) + root_cb.lines += [function('project', [self.project_name, array(self.languages)])] + + return root_cb |