#
# Copyright (c) 2021, RT-Thread Development Team
#
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#

import os
import re

from building import *

Import('rtconfig')

src  = []
objs = []
cwd  = GetCurrentDir()

IWASM_INC_DIR = os.path.join(cwd, '..', 'core', 'iwasm', 'include')

CPPPATH = [IWASM_INC_DIR]

if rtconfig.BUILD == 'debug':
    CPPDEFINES = ['BH_DEBUG=1']
else:
    CPPDEFINES = ['BH_DEBUG=0']

if rtconfig.ARCH == 'arm':
    if re.match('^cortex-m.*', rtconfig.CPU):
        print('[WAMR] using thumbv4t')
        CPPDEFINES += ['BUILD_TARGET_THUMB']
        CPPDEFINES += ['RTT_WAMR_BUILD_TARGET_THUMB']
    elif re.match('^cortex-a.*', rtconfig.CPU):
        print('[WAMR] using armv7')
        CPPDEFINES += ['BUILD_TARGET_ARM']
        CPPDEFINES += ['RTT_WAMR_BUILD_TARGET_ARMV7']
    elif re.match('^cortex-r.*', rtconfig.CPU):
        print('[WAMR] using armv7')
        CPPDEFINES += ['BUILD_TARGET_ARM']
        CPPDEFINES += ['RTT_WAMR_BUILD_TARGET_ARMV7']
    elif rtconfig.CPU == 'armv6':
        print('[WAMR] using armv6')
        CPPDEFINES += ['BUILD_TARGET_ARM']
        CPPDEFINES += ['RTT_WAMR_BUILD_TARGET_ARMV6']
    elif re.match('^arm9*', rtconfig.CPU):
        print('[WAMR] using armv4')
        CPPDEFINES += ['BUILD_TARGET_ARM']
        CPPDEFINES += ['RTT_WAMR_BUILD_TARGET_ARMV4']
elif rtconfig.ARCH == 'ia32':
   CPPDEFINES += ['BUILD_TARGET_X86_32', 'RTT_WAMR_BUILD_TARGET_X86_32']
else:
    print("[WAMR] unknown arch", rtconfig.ARCH)

if GetDepend(['WAMR_BUILD_INTERP']):
    CPPDEFINES += ['WASM_ENABLE_INTERP=1']
    if GetDepend(['WAMR_BUILD_FAST_INTERP']):
        CPPDEFINES += ['WASM_ENABLE_FAST_INTERP=1']
        print("[WAMR] fast interpreter was enabled")
    else:
        CPPDEFINES += ['WASM_ENABLE_FAST_INTERP=0']
        print("[WAMR] fast interpreter was disabled")
else:
    CPPDEFINES += ['WASM_ENABLE_INTERP=0']

CPPDEFINES += ['WASM_ENABLE_JIT=0']

if GetDepend(['WAMR_BUILD_MULTI_MODULE']):
    CPPDEFINES += ['WASM_ENABLE_MULTI_MODULE=1']
else:
    CPPDEFINES += ['WASM_ENABLE_MULTI_MODULE=0']

if GetDepend(['WAMR_BUILD_SPEC_TEST']):
    CPPDEFINES += ['WASM_ENABLE_SPEC_TEST=1']
    print("[WAMR] spec test compatible mode was enabled")

if GetDepend(['WAMR_BUILD_BULK_MEMORY']):
    CPPDEFINES += ['WASM_ENABLE_BULK_MEMORY=1']
    print("[WAMR] Bulk memory feature was enabled")
else:
    CPPDEFINES += ['WASM_ENABLE_BULK_MEMORY=0']

if GetDepend(['WAMR_BUILD_SHARED_MEMORY']):
    CPPDEFINES += ['WASM_ENABLE_SHARED_MEMORY=1']
    print("[WAMR] Shared memory enabled")
else:
    CPPDEFINES += ['WASM_ENABLE_SHARED_MEMORY=0']

if GetDepend(['WAMR_BUILD_MINI_LOADER']):
    CPPDEFINES += ['WASM_ENABLE_MINI_LOADER=1']
    print("[WAMR] mini loader enabled")
else:
    CPPDEFINES += ['WASM_ENABLE_MINI_LOADER=0']

if GetDepend(['WAMR_DISABLE_HW_BOUND_CHECK']):
    CPPDEFINES += ['WASM_DISABLE_HW_BOUND_CHECK=1']
    CPPDEFINES += ['WASM_DISABLE_STACK_HW_BOUND_CHECK=1']
    print("[WAMR] Hardware boundary check disabled")

if GetDepend(['WAMR_BUILD_SIMD']):
    CPPDEFINES += ['WASM_ENABLE_SIMD=1']
    print('[WAMR] SIMD enabled')

if GetDepend(['WAMR_BUILD_MEMORY_PROFILING']):
    CPPDEFINES += ['WASM_ENABLE_MEMORY_PROFILING=1']
    print('[WAMR] Memory profiling enabled')

if GetDepend(['WAMR_BUILD_CUSTOM_NAME_SECTION']):
    CPPDEFINES += ['WASM_ENABLE_CUSTOM_NAME_SECTION=1']
    print('[WAMR] Custom name section enabled')

if GetDepend(['WAMR_BUILD_TAIL_CALL']):
    CPPDEFINES += ['WASM_ENABLE_TAIL_CALL=1']
    print('[WAMR] Tail call enabled')

if GetDepend(['WAMR_BUILD_THREAD_MGR']):
    CPPDEFINES += ['WASM_ENABLE_THREAD_MGR=1']
    print('[WAMR] Thread manager enabled')

if GetDepend(['WAMR_BUILD_LIBC_WASI']):
    CPPDEFINES += ['WASM_ENABLE_LIBC_WASI=1']
    CPPDEFINES += ['WASM_ENABLE_MODULE_INST_CONTEXT=1']
    print('[WAMR] Libc wasi enabled')

if GetDepend(['WAMR_BUILD_LIB_WASI_THREADS']):
    CPPDEFINES += ['WASM_ENABLE_LIB_WASI_THREADS=1']
    print('[WAMR] Lib wasi threads enabled')

if GetDepend(['WAMR_BUILD_REF_TYPES']):
    CPPDEFINES += ['WASM_ENABLE_REF_TYPES=1']
    print('[WAMR] enable ref types')

CPPDEFINES += ['BH_MALLOC=wasm_runtime_malloc']
CPPDEFINES += ['BH_FREE=wasm_runtime_free']

LIBS = ['m']

group = DefineGroup('wamr', src, depend = ['PKG_USING_WAMR'], CPPPATH = CPPPATH, CPPDEFINES = CPPDEFINES, LIBS = LIBS)

Return('group')