import os
import ntpath
import sys

shared_flags = ''
clean = 0

for arg in sys.argv:
    if(arg == '-O3'):
        shared_flags += '-O3 '
    elif(arg == '-O2'):
        shared_flags += '-O2 '
    elif(arg == '-O1'):
        shared_flags += '-O1 '
    elif(arg == '-O0'):
        shared_flags += '-O0 '
    elif(arg == '-Os'):
        shared_flags += '-Os '
    elif(arg == '-Oz'):
        shared_flags += '-Oz '
    elif(arg == '-g'):
        shared_flags += '-g '
    elif(arg == '--clean'):
        clean = 1
        
if clean == 1:
    for path in ['bc']:
        for r, d, f in os.walk(path):
            for file in f:
                filename, file_extension = os.path.splitext(file)
                if file_extension == '.bc':
                    print('remove ' + os.path.join(r, file))
                    os.remove(os.path.join(r, file))
    exit()


paths = ['tests', 'source']

files = []
# r=root, d=directories, f = files
for path in paths:
    for r, d, f in os.walk(path):
        for file in f:
            if ntpath.basename(file) != 'win_dll.d':
                filename, file_extension = os.path.splitext(file)
                if file_extension == '.d':
                    files.append(os.path.join(r, file))


print('files:')
for f in files:
    print(f)
print

ldc_cmd = 'ldc2 ' + shared_flags + '-mtriple=wasm32-unknown-unknown-wasm -betterC -L-allow-undefined --output-bc --od=bc --checkaction=C '

for path in paths:
    ldc_cmd += '-I' + path + ' '
    
for f in files:
    ldc_cmd += f + ' '

print ldc_cmd

os.system(ldc_cmd)

print

files = []
# r=root, d=directories, f = files
for path in ['bc']:
    for r, d, f in os.walk(path):
        for file in f:
            filename, file_extension = os.path.splitext(file)
            if file_extension == '.bc':
                files.append(os.path.join(r, file))
                

print('BC files:')
for f in files:
    print(f)
print
                
emcc_cmd = 'emcc -v ' + shared_flags + '-s ALLOW_MEMORY_GROWTH=1 -s MALLOC=dlmalloc -s WASM=1 -o index.html '

for f in files:
    emcc_cmd += f + ' '

print emcc_cmd

os.system(emcc_cmd)