Author: Ronan Lamy <[email protected]>
Branch: exctrans
Changeset: r81818:0a5616f5ef3d
Date: 2016-01-15 17:50 +0000
http://bitbucket.org/pypy/pypy/changeset/0a5616f5ef3d/
Log: Extract function
diff --git a/rpython/translator/sandbox/rsandbox.py
b/rpython/translator/sandbox/rsandbox.py
--- a/rpython/translator/sandbox/rsandbox.py
+++ b/rpython/translator/sandbox/rsandbox.py
@@ -144,7 +144,16 @@
# pure external function - fall back to the annotations
# corresponding to the ll types
args_s, s_result = sig_ll(fnobj)
+ execute = make_sandbox_trampoline(fnname, args_s, s_result)
+ return _annotate(rtyper, execute, args_s, s_result)
+def make_sandbox_trampoline(fnname, args_s, s_result):
+ """Create a trampoline function with the specified signature.
+
+ The trampoline is meant to be used in place of real calls to the external
+ function named 'fnname'. It marshals its input arguments, dumps them to
+ STDOUT, and waits for an answer on STDIN.
+ """
try:
dump_arguments = rmarshal.get_marshaller(tuple(args_s))
load_result = rmarshal.get_loader(s_result)
@@ -164,7 +173,8 @@
loader.check_finished()
return result
execute.__name__ = 'sandboxed_%s' % (fnname,)
- return _annotate(rtyper, execute, args_s, s_result)
+ return execute
+
def _annotate(rtyper, f, args_s, s_result):
ann = MixLevelHelperAnnotator(rtyper)
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