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Add an option to extend the compiled code after each reducing step #1327

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Merged
merged 2 commits into from
Jun 3, 2018
Merged

Add an option to extend the compiled code after each reducing step #1327

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f703fe6
Add an option to extend the compiled code after each reducing step
db48x Jun 3, 2018
c9badcd
add a description to the new option
db48x Jun 3, 2018
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8 changes: 8 additions & 0 deletions csmith-fuzzing/predicate.py
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Original file line number Diff line number Diff line change
Expand Up @@ -83,6 +83,10 @@
action="store_false",
dest="rustc",
help="Do not attempt to compile the emitted bindings with `rustc`.")
reducing.add_argument(
"--extra-compile-file",
type=str,
help="")
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Maybe worth writing a comment here?

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oh, I'd forgotten about that.

reducing.add_argument(
"--expect-compile-fail",
action="store_true",
Expand Down Expand Up @@ -221,6 +225,10 @@ def run_bindgen(args, bindings):
raise ExitOne()

def run_rustc(args, bindings, test_exe):
if args.extra_compile_file:
with open(bindings, mode="a") as outfile:
with open(args.extra_compile_file, mode="r") as infile:
outfile.write(infile.read())
child = run(
["rustc", "--crate-type", "lib", "--test", "-o", test_exe, bindings],
stdout=subprocess.PIPE,
Expand Down