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Merge pull request #26 from spoorcc/issue-10

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Fix #10: Added magics to provide LDFLAGS and CFLAGS to gcc
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Brendan Rius 2017-04-12 20:59:16 +02:00 committed by GitHub
commit 17316fb7b2
1 changed files with 22 additions and 3 deletions
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25
jupyter_c_kernel/kernel.py
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@ -111,17 +111,36 @@ class CKernel(Kernel):
lambda contents: self._write_to_stdout(contents.decode()),
lambda contents: self._write_to_stderr(contents.decode()))
def compile_with_gcc(self, source_filename, binary_filename):
args = ['gcc', source_filename, '-std=c11', '-fPIC', '-shared', '-rdynamic', '-o', binary_filename]
def compile_with_gcc(self, source_filename, binary_filename, cflags=None, ldflags=None):
cflags = ['-std=c11', '-fPIC', '-shared', '-rdynamic'] + cflags
args = ['gcc', source_filename] + cflags + ['-o', binary_filename] + ldflags
return self.create_jupyter_subprocess(args)
def _filter_magics(self, code):
magics = {'cflags': [], 'ldflags': []}
for line in code.splitlines():
if line.startswith('//%'):
key, value = line[3:].split(":", 2)
key = key.strip().lower()
if key in ['ldflags', 'cflags']:
for flag in value.split():
magics[key] += [flag]
return magics
def do_execute(self, code, silent, store_history=True,
user_expressions=None, allow_stdin=False):
magics = self._filter_magics(code)
with self.new_temp_file(suffix='.c') as source_file:
source_file.write(code)
source_file.flush()
with self.new_temp_file(suffix='.out') as binary_file:
p = self.compile_with_gcc(source_file.name, binary_file.name)
p = self.compile_with_gcc(source_file.name, binary_file.name, magics['cflags'], magics['ldflags'])
while p.poll() is None:
p.write_contents()
p.write_contents()