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#!/usr/bin/env python
#
# Copyright 2016 WebAssembly Community Group participants
#
# 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.
#
import os
import sys
from utils import Error
IS_WINDOWS = sys.platform == 'win32'
SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
REPO_ROOT_DIR = os.path.dirname(SCRIPT_DIR)
EXECUTABLES = [
'wast2wasm', 'wasm2wast', 'wasmdump', 'wasm-interp', 'wasmopcodecnt',
'wast-desugar', 'wasm-link'
]
def GetDefaultExe(basename):
result = os.path.join(REPO_ROOT_DIR, 'out', basename)
if IS_WINDOWS:
result += '.exe'
return result
def FindExeWithFallback(name, default_exe_list, override_exe=None):
result = override_exe
if result is not None:
if IS_WINDOWS and os.path.splitext(result)[1] != '.exe':
result += '.exe'
if os.path.exists(result):
return os.path.abspath(result)
raise Error('%s executable not found.\nsearch path: %s\n' % (name, result))
for result in default_exe_list:
if os.path.exists(result):
return os.path.abspath(result)
raise Error('%s executable not found.\n%s\n' % (
name,
'\n'.join('search path: %s' % path for path in default_exe_list)))
def FindExecutable(basename, override=None):
return FindExeWithFallback(basename, [GetDefaultExe(basename)], override)
def GetWast2WasmExecutable(override=None):
return FindExecutable('wast2wasm', override)
def GetWasm2WastExecutable(override=None):
return FindExecutable('wasm2wast', override)
def GetWasmdumpExecutable(override=None):
return FindExecutable('wasmdump', override)
def GetWasmlinkExecutable(override=None):
return FindExecutable('wasm-link', override)
def GetWasmInterpExecutable(override=None):
return FindExecutable('wasm-interp', override)
def GetWasmOpcodeCntExecutable(override=None):
return FindExecutable('wasmopcodecnt', override)
def GetWastDesugarExecutable(override=None):
return FindExecutable('wast-desugar', override)
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