From df79444218d9015ada2cfb8740bf5df7ecad686b Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Sat, 27 Feb 2016 00:37:45 -0600
Subject: [PATCH] Use get_last_error for better exception message
---
gen_wrap.py | 20 +++++++++++++++++---
1 file changed, 17 insertions(+), 3 deletions(-)
diff --git a/gen_wrap.py b/gen_wrap.py
index 4b55f0a..51bbbf4 100644
--- a/gen_wrap.py
+++ b/gen_wrap.py
@@ -371,6 +371,17 @@ def _deref_ctx(ctx_data, ctx_iptr):
lib.isl_ctx_free(ctx_data)
+def _get_last_error_str(ctx_data):
+ code = lib.isl_ctx_last_error(ctx_data)
+ for name in dir(error):
+ if name.startswith("_"):
+ continue
+ if getattr(error, name) == code:
+ return "isl_error_"+name
+
+ return "(unknown error)"
+
+
class _ISLObjectBase(object):
def __init__(self, _data):
self._setup(_data)
@@ -1350,12 +1361,14 @@ def write_method_wrapper(gen, cls_name, meth):
if meth.return_base_type == "isl_stat" and not meth.return_ptr:
check("if _result == lib.isl_stat_error:")
with Indentation(check):
- check('raise Error("call to \\"{0}\\" failed")'.format(meth.c_name))
+ check('raise Error("call to \\"{0}\\" failed: %s" '
+ '% _get_last_error_str(_ctx_data))'.format(meth.c_name))
elif meth.return_base_type == "isl_bool" and not meth.return_ptr:
check("if _result == lib.isl_bool_error:")
with Indentation(check):
- check('raise Error("call to \\"{0}\\" failed")'.format(meth.c_name))
+ check('raise Error("call to \\"{0}\\" failed: %s" '
+ '% _get_last_error_str(_ctx_data))'.format(meth.c_name))
ret_vals.insert(0, "_result == lib.isl_bool_true")
ret_descrs.insert(0, "bool")
@@ -1397,7 +1410,8 @@ def write_method_wrapper(gen, cls_name, meth):
check("""
if _result is None:
- raise Error("call to {c_method} failed")
+ raise Error("call to {c_method} failed: %s"
+ % _get_last_error_str(_ctx_data))
"""
.format(c_method=meth.c_name))
--
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