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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
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.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('Nonexistant build def file %s.' % buildfilename)
with open(absname, encoding='utf8') as f:
code = f.read()
assert(isinstance(code, str))
try:
codeblock = mparser.Parser(code).parse()
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 transform(self):
self.load_root_meson_file()
self.sanity_check_ast()
self.parse_project()
self.run()
print('AST here')
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_source_from_target(self, node, args, kwargs):
for i in range(len(args)):
if self.filename == args[i]:
namespan = node.args.arguments[i].bytespan
# SUPER HACK! Should track bytespans of commas instead.
namespan = (namespan[0]-2, namespan[1])
buildfilename = os.path.join(self.source_root, self.subdir, environment.build_filename)
raw_data = open(buildfilename, 'r').read()
updated = raw_data[0:namespan[0]] + raw_data[namespan[1]:]
open(buildfilename, 'w').write(updated)
sys.exit(0)
sys.exit('Could not find source %s in target %s.' % (self.filename, args[0]))
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