def lambda_handler(event, context):
cpp = Preprocessor()
cpp.add_path(os.getcwd() + "/lvmxlib")
tmpf = io.StringIO("")
with open("/tmp/main.c", mode='w') as f:
f.write(event['body'])
with open("/tmp/main.c", mode="r") as f:
cpp.parse(f)
cpp.write(tmpf)
g.init("/tmp/main.c", tmpf.getvalue())
try:
dumps = compile(g.source)
except Exception as e:
return {'statusCode': 400, 'body': g.r.report()}
if dumps is None:
return {'statusCode': 400, 'body': g.r.report()}
bytecode = f".data {len(dumps['data'])}" + '\n'
for elem in dumps['data']:
bytecode += value2hex(elem) + '\n'
bytecode += f".code {len(dumps['code'])}" + '\n'
for elem in dumps['code']:
bytecode += elem.serialize() + '\n'
if g.r.hasError():
return {'statusCode': 400, 'body': g.r.report()}
else:
return {'statusCode': 200, 'body': bytecode}
def preprocess(source):
preprocessor = Preprocessor()
preprocessor.line_directive = None
preprocessor.parse(source)
stream = StringIO()
preprocessor.write(stream)
return stream.getvalue()
def preprocess_sources(self, sources):
cpp = Preprocessor()
cpp.parse(StringIO(sources), source="proto.hpp")
sstr = StringIO()
cpp.write(sstr)
src = sstr.getvalue()
sstr.close()
return src
def runTest(self):
from pcpp import Preprocessor
output = r'''
a
'''
p = Preprocessor()
p.define('BAR FOO')
p.parse(r'''#define FOO 1
#if FOO == BAR
a
#endif
''')
oh = StringIO()
p.write(oh)
if oh.getvalue() != output:
print("Should be:\n" + output, file = sys.stderr)
print("\n\nWas:\n" + oh.getvalue(), file = sys.stderr)
self.assertEqual(p.return_code, 0)
self.assertEqual(oh.getvalue(), output)
def runTest(self):
from pcpp import Preprocessor
import os, sys
start = clock()
p = Preprocessor()
p.parse(self.input)
oh = StringIO()
p.write(oh)
end = clock()
print("Preprocessed test in", end - start, "seconds")
if oh.getvalue() != self.output:
print("Should be:\n" + self.output, file=sys.stderr)
print("\n\nWas:\n" + oh.getvalue(), file=sys.stderr)
self.assertEqual(p.return_code, 0)
self.assertEqual(oh.getvalue(), self.output)
def buildShader(dirName):
outputFile = None
inputFile = None
for root, dirs, files in os.walk(dirName):
for file in files:
if needBuildShader(file):
outputFile = file
outputFile = outputFile.replace(".d.hlsl", ".hlsl")
outputFile = outputFile.replace(".d.glsl", ".glsl")
print("%s <- %s" % (outputFile, file))
outputFile = root + "/" + outputFile
inputFile = root + "/" + file
p = Preprocessor()
p.compress = 2
p.line_directive = None
with open(inputFile, 'rt') as finput:
p.parse(finput.read(), inputFile)
with open(outputFile, 'w') as foutput:
p.write(foutput)
def runTest(self):
from pcpp import Preprocessor
import os, sys
p = Preprocessor()
path = 'tests/issue0017/issue0017.c'
with open(path, 'rt') as ih:
p.parse(ih.read(), path)
with open('tests/issue0017.i', 'w') as oh:
p.write(oh)
with open('tests/issue0017.i', 'r') as ih:
was = ih.read()
with open('tests/issue0017-ref.i', 'r') as ih:
shouldbe = ih.read()
if was != shouldbe:
print("Should be:\n" + shouldbe, file=sys.stderr)
print("\n\nWas:\n" + was, file=sys.stderr)
self.assertEqual(p.return_code, 0)
self.assertEqual(was, shouldbe)
def buildShader(shaderXml, root):
for shaderInfo in shaderXml:
fs = shaderInfo.get('fs')
fs_source = shaderInfo.get('fs_source')
vs = shaderInfo.get('vs')
vs_source = shaderInfo.get('vs_source')
define = shaderInfo.get('define')
listDefine = None
if define != None:
listDefine = define.split(',')
else:
define = "_"
if fs_source != None and fs != None:
outputFile = root + "/" + fs
inputFile = root + "/" + fs_source
print(" + %s <- %s : %s" % (fs, fs_source, define))
p = Preprocessor()
p.compress = 2
p.line_directive = None
if listDefine != None:
for d in listDefine:
p.define(d.strip())
with open(inputFile, 'rt') as finput:
p.parse(finput.read(), inputFile)
with open(outputFile, 'w') as foutput:
foutput.writelines(
"// File Generated by Assets/BuildShader.py - source: [" +
os.path.basename(fs_source) + " : " + define + "]\n")
p.write(foutput)
if vs_source != None and vs != None:
outputFile = root + "/" + vs
inputFile = root + "/" + vs_source
print(" + %s <- %s : %s" % (vs, vs_source, define))
p = Preprocessor()
p.compress = 2
p.line_directive = None
if listDefine != None:
for d in listDefine:
p.define(d.strip())
with open(inputFile, 'rt') as finput:
p.parse(finput.read(), inputFile)
with open(outputFile, 'w') as foutput:
foutput.writelines(
"// File Generated by Assets/BuildShader.py - source: [" +
os.path.basename(vs_source) + " : " + define + "]\n")
p.write(foutput)
return
def runTest(self):
from pcpp import Preprocessor
import os
start = clock()
p = Preprocessor()
p.compress = 1
p.line_directive = '#'
p.define('__STDC__ 1')
p.define('__STDC_VERSION__ 199901L')
p.define('__DATE__ "Jan 13 2020"')
p.define('__TIME__ "10:47:38"')
p.define('NO_SYSTEM_HEADERS')
path = 'tests/test-c/n_std.c'
with open(path, 'rt') as ih:
p.parse(ih.read(), path)
with open('tests/n_std.i', 'w') as oh:
p.write(oh)
end = clock()
print("Preprocessed", path, "in", end - start, "seconds")
self.assertEqual(p.return_code, 0)
with open('tests/n_std.i', 'rt') as ih:
written = ih.readlines()
with open('tests/n_std-pcpp.i', 'rt') as ih:
reference = ih.readlines()
if written != reference:
print("pcpp is not emitting its reference output! Differences:")
for line in difflib.unified_diff(reference,
written,
fromfile='n_std-pcpp.i',
tofile='n_std.i'):
print(line, end='')
self.assertTrue(False)
def runTest(self):
from pcpp import Preprocessor
import os
start = clock()
p = Preprocessor()
p.compress = 1
p.define('__STDC__ 1')
p.define('__STDC_VERSION__ 199901L')
p.define('NO_SYSTEM_HEADERS')
path = 'tests/test-c/n_std.c'
with open(path, 'rt') as ih:
p.parse(ih.read(), path)
with open('tests/n_std.i', 'w') as oh:
p.write(oh)
end = clock()
print("Preprocessed", path, "in", end-start, "seconds")
self.assertEqual(p.return_code, 0)
return body
if __name__ == '__main__':
argparser = ArgumentParser()
argparser.add_argument('filename', type=str, help='target source file')
argparser.add_argument('-j',
'--json',
action='store_true',
help='output as json')
args = argparser.parse_args()
cpp = Preprocessor()
cpp.add_path(os.getcwd() + "/lvmxlib")
tmpf = io.StringIO("")
with open(args.filename, mode="r") as f:
cpp.parse(f)
cpp.write(tmpf)
g.init(args.filename, tmpf.getvalue())
try:
dumps = compile(g.source)
except Exception as e:
g.r.report()
raise