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- # 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]))
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