| # Copyright 2016 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 . import interpreterbase, mlog, mparser, mesonlib |
| from . import environment |
| |
| from .interpreterbase import InterpreterException, InvalidArguments |
| |
| import os, sys |
| |
| class DontCareObject(interpreterbase.InterpreterObject): |
| pass |
| |
| class MockExecutable(interpreterbase.InterpreterObject): |
| pass |
| |
| class MockStaticLibrary(interpreterbase.InterpreterObject): |
| pass |
| |
| class MockSharedLibrary(interpreterbase.InterpreterObject): |
| pass |
| |
| class MockCustomTarget(interpreterbase.InterpreterObject): |
| pass |
| |
| class MockRunTarget(interpreterbase.InterpreterObject): |
| pass |
| |
| ADD_SOURCE = 0 |
| REMOVE_SOURCE = 1 |
| |
| class AstInterpreter(interpreterbase.InterpreterBase): |
| def __init__(self, source_root, subdir): |
| super().__init__(source_root, subdir) |
| self.asts = {} |
| self.funcs.update({'project': self.func_do_nothing, |
| 'test': self.func_do_nothing, |
| 'benchmark': self.func_do_nothing, |
| 'install_headers': self.func_do_nothing, |
| 'install_man': self.func_do_nothing, |
| 'install_data': self.func_do_nothing, |
| 'install_subdir': self.func_do_nothing, |
| 'configuration_data': self.func_do_nothing, |
| 'configure_file': self.func_do_nothing, |
| 'find_program': self.func_do_nothing, |
| 'include_directories': self.func_do_nothing, |
| 'add_global_arguments': self.func_do_nothing, |
| 'add_global_link_arguments': self.func_do_nothing, |
| 'add_project_arguments': self.func_do_nothing, |
| 'add_project_link_arguments': self.func_do_nothing, |
| 'message': self.func_do_nothing, |
| 'generator': self.func_do_nothing, |
| 'error': self.func_do_nothing, |
| 'run_command': self.func_do_nothing, |
| 'assert': self.func_do_nothing, |
| 'subproject': self.func_do_nothing, |
| 'dependency': self.func_do_nothing, |
| 'get_option': self.func_do_nothing, |
| 'join_paths': self.func_do_nothing, |
| 'environment': self.func_do_nothing, |
| 'import': self.func_do_nothing, |
| 'vcs_tag': self.func_do_nothing, |
| 'add_languages': self.func_do_nothing, |
| 'declare_dependency': self.func_do_nothing, |
| 'files': self.func_files, |
| 'executable': self.func_executable, |
| 'static_library': self.func_static_lib, |
| 'shared_library': self.func_shared_lib, |
| 'library': self.func_library, |
| 'build_target': self.func_build_target, |
| 'custom_target': self.func_custom_target, |
| 'run_target': self.func_run_target, |
| 'subdir': self.func_subdir, |
| 'set_variable': self.func_set_variable, |
| 'get_variable': self.func_get_variable, |
| 'is_variable': self.func_is_variable, |
| }) |
| |
| def func_do_nothing(self, node, args, kwargs): |
| return True |
| |
| def method_call(self, node): |
| return True |
| |
| def func_executable(self, node, args, kwargs): |
| if args[0] == self.targetname: |
| if self.operation == ADD_SOURCE: |
| self.add_source_to_target(node, args, kwargs) |
| elif self.operation == REMOVE_SOURCE: |
| self.remove_source_from_target(node, args, kwargs) |
| else: |
| raise NotImplementedError('Bleep bloop') |
| return MockExecutable() |
| |
| def func_static_lib(self, node, args, kwargs): |
| return MockStaticLibrary() |
| |
| def func_shared_lib(self, node, args, kwargs): |
| return MockSharedLibrary() |
| |
| def func_library(self, node, args, kwargs): |
| return self.func_shared_lib(node, args, kwargs) |
| |
| def func_custom_target(self, node, args, kwargs): |
| return MockCustomTarget() |
| |
| def func_run_target(self, node, args, kwargs): |
| return MockRunTarget() |
| |
| def func_subdir(self, node, args, kwargs): |
| prev_subdir = self.subdir |
| subdir = os.path.join(prev_subdir, args[0]) |
| self.subdir = subdir |
| buildfilename = os.path.join(self.subdir, environment.build_filename) |
| absname = os.path.join(self.source_root, buildfilename) |
| if not os.path.isfile(absname): |
| self.subdir = prev_subdir |
| raise InterpreterException('Nonexistent build def file %s.' % buildfilename) |
| with open(absname, encoding='utf8') as f: |
| code = f.read() |
| assert(isinstance(code, str)) |
| try: |
| codeblock = mparser.Parser(code, self.subdir).parse() |
| self.asts[subdir] = codeblock |
| except mesonlib.MesonException as me: |
| me.file = buildfilename |
| raise me |
| self.evaluate_codeblock(codeblock) |
| self.subdir = prev_subdir |
| |
| def func_files(self, node, args, kwargs): |
| if not isinstance(args, list): |
| return [args] |
| return args |
| |
| def evaluate_arithmeticstatement(self, cur): |
| return 0 |
| |
| def evaluate_plusassign(self, node): |
| return 0 |
| |
| def evaluate_indexing(self, node): |
| return 0 |
| |
| def reduce_arguments(self, args): |
| assert(isinstance(args, mparser.ArgumentNode)) |
| if args.incorrect_order(): |
| raise InvalidArguments('All keyword arguments must be after positional arguments.') |
| return args.arguments, args.kwargs |
| |
| def transform(self): |
| self.load_root_meson_file() |
| self.asts[''] = self.ast |
| self.sanity_check_ast() |
| self.parse_project() |
| self.run() |
| |
| def add_source(self, targetname, filename): |
| self.operation = ADD_SOURCE |
| self.targetname = targetname |
| self.filename = filename |
| self.transform() |
| |
| def remove_source(self, targetname, filename): |
| self.operation = REMOVE_SOURCE |
| self.targetname = targetname |
| self.filename = filename |
| self.transform() |
| |
| def unknown_function_called(self, func_name): |
| mlog.warning('Unknown function called: ' + func_name) |
| |
| def add_source_to_target(self, node, args, kwargs): |
| namespan = node.args.arguments[0].bytespan |
| buildfilename = os.path.join(self.source_root, self.subdir, environment.build_filename) |
| raw_data = open(buildfilename, 'r').read() |
| updated = raw_data[0:namespan[1]] + (", '%s'" % self.filename) + raw_data[namespan[1]:] |
| open(buildfilename, 'w').write(updated) |
| sys.exit(0) |
| |
| def remove_argument_item(self, args, i): |
| assert(isinstance(args, mparser.ArgumentNode)) |
| namespan = args.arguments[i].bytespan |
| # Usually remove the comma after this item but if it is |
| # the last argument, we need to remove the one before. |
| if i >= len(args.commas): |
| i -= 1 |
| if i < 0: |
| commaspan = (0, 0) # Removed every entry in the list. |
| else: |
| commaspan = args.commas[i].bytespan |
| if commaspan[0] < namespan[0]: |
| commaspan, namespan = namespan, commaspan |
| buildfilename = os.path.join(self.source_root, args.subdir, environment.build_filename) |
| raw_data = open(buildfilename, 'r').read() |
| intermediary = raw_data[0:commaspan[0]] + raw_data[commaspan[1]:] |
| updated = intermediary[0:namespan[0]] + intermediary[namespan[1]:] |
| open(buildfilename, 'w').write(updated) |
| sys.exit(0) |
| |
| def hacky_find_and_remove(self, node_to_remove): |
| for a in self.asts[node_to_remove.subdir].lines: |
| if a.lineno == node_to_remove.lineno: |
| if isinstance(a, mparser.AssignmentNode): |
| v = a.value |
| if not isinstance(v, mparser.ArrayNode): |
| raise NotImplementedError('Not supported yet, bro.') |
| args = v.args |
| for i in range(len(args.arguments)): |
| if isinstance(args.arguments[i], mparser.StringNode) and self.filename == args.arguments[i].value: |
| self.remove_argument_item(args, i) |
| raise NotImplementedError('Sukkess') |
| |
| def remove_source_from_target(self, node, args, kwargs): |
| for i in range(1, len(node.args)): |
| # Is file name directly in function call as a string. |
| if isinstance(node.args.arguments[i], mparser.StringNode) and self.filename == node.args.arguments[i].value: |
| self.remove_argument_item(node.args, i) |
| # Is file name in a variable that gets expanded here. |
| if isinstance(node.args.arguments[i], mparser.IdNode): |
| avar = self.get_variable(node.args.arguments[i].value) |
| if not isinstance(avar, list): |
| raise NotImplementedError('Non-arrays not supported yet, sorry.') |
| for entry in avar: |
| if isinstance(entry, mparser.StringNode) and entry.value == self.filename: |
| self.hacky_find_and_remove(entry) |
| sys.exit('Could not find source %s in target %s.' % (self.filename, args[0])) |