Author: Armin Rigo <[email protected]>
Branch:
Changeset: r83733:2b8b83be158d
Date: 2016-04-18 09:54 +0200
http://bitbucket.org/pypy/pypy/changeset/2b8b83be158d/
Log: import cffi/5d45c8d8df09 and add missing file
diff --git a/lib_pypy/cffi/cparser.py b/lib_pypy/cffi/cparser.py
--- a/lib_pypy/cffi/cparser.py
+++ b/lib_pypy/cffi/cparser.py
@@ -29,7 +29,8 @@
_r_stdcall1 = re.compile(r"\b(__stdcall|WINAPI)\b")
_r_stdcall2 = re.compile(r"[(]\s*(__stdcall|WINAPI)\b")
_r_cdecl = re.compile(r"\b__cdecl\b")
-_r_extern_python = re.compile(r'\bextern\s*"Python"\s*.')
+_r_extern_python = re.compile(r'\bextern\s*"'
+ r'(Python|Python\s*\+\s*C|C\s*\+\s*Python)"\s*.')
_r_star_const_space = re.compile( # matches "* const "
r"[*]\s*((const|volatile|restrict)\b\s*)+")
@@ -88,6 +89,12 @@
# void __cffi_extern_python_start;
# int foo(int);
# void __cffi_extern_python_stop;
+ #
+ # input: `extern "Python+C" int foo(int);`
+ # output:
+ # void __cffi_extern_python_plus_c_start;
+ # int foo(int);
+ # void __cffi_extern_python_stop;
parts = []
while True:
match = _r_extern_python.search(csource)
@@ -98,7 +105,10 @@
#print ''.join(parts)+csource
#print '=>'
parts.append(csource[:match.start()])
- parts.append('void __cffi_extern_python_start; ')
+ if 'C' in match.group(1):
+ parts.append('void __cffi_extern_python_plus_c_start; ')
+ else:
+ parts.append('void __cffi_extern_python_start; ')
if csource[endpos] == '{':
# grouping variant
closing = csource.find('}', endpos)
@@ -302,7 +312,7 @@
break
#
try:
- self._inside_extern_python = False
+ self._inside_extern_python = '__cffi_extern_python_stop'
for decl in iterator:
if isinstance(decl, pycparser.c_ast.Decl):
self._parse_decl(decl)
@@ -376,8 +386,10 @@
tp = self._get_type_pointer(tp, quals)
if self._options.get('dllexport'):
tag = 'dllexport_python '
- elif self._inside_extern_python:
+ elif self._inside_extern_python == '__cffi_extern_python_start':
tag = 'extern_python '
+ elif self._inside_extern_python == '__cffi_extern_python_plus_c_start':
+ tag = 'extern_python_plus_c '
else:
tag = 'function '
self._declare(tag + decl.name, tp)
@@ -421,11 +433,9 @@
# hack: `extern "Python"` in the C source is replaced
# with "void __cffi_extern_python_start;" and
# "void __cffi_extern_python_stop;"
- self._inside_extern_python = not self._inside_extern_python
- assert self._inside_extern_python == (
- decl.name == '__cffi_extern_python_start')
+ self._inside_extern_python = decl.name
else:
- if self._inside_extern_python:
+ if self._inside_extern_python
!='__cffi_extern_python_stop':
raise api.CDefError(
"cannot declare constants or "
"variables with 'extern \"Python\"'")
diff --git a/lib_pypy/cffi/recompiler.py b/lib_pypy/cffi/recompiler.py
--- a/lib_pypy/cffi/recompiler.py
+++ b/lib_pypy/cffi/recompiler.py
@@ -1145,11 +1145,11 @@
def _generate_cpy_extern_python_collecttype(self, tp, name):
assert isinstance(tp, model.FunctionPtrType)
self._do_collect_type(tp)
+ _generate_cpy_dllexport_python_collecttype = \
+ _generate_cpy_extern_python_plus_c_collecttype = \
+ _generate_cpy_extern_python_collecttype
- def _generate_cpy_dllexport_python_collecttype(self, tp, name):
- self._generate_cpy_extern_python_collecttype(tp, name)
-
- def _generate_cpy_extern_python_decl(self, tp, name, dllexport=False):
+ def _extern_python_decl(self, tp, name, tag_and_space):
prnt = self._prnt
if isinstance(tp.result, model.VoidType):
size_of_result = '0'
@@ -1184,11 +1184,7 @@
size_of_a = 'sizeof(%s) > %d ? sizeof(%s) : %d' % (
tp.result.get_c_name(''), size_of_a,
tp.result.get_c_name(''), size_of_a)
- if dllexport:
- tag = 'CFFI_DLLEXPORT'
- else:
- tag = 'static'
- prnt('%s %s' % (tag, tp.result.get_c_name(name_and_arguments)))
+ prnt('%s%s' % (tag_and_space,
tp.result.get_c_name(name_and_arguments)))
prnt('{')
prnt(' char a[%s];' % size_of_a)
prnt(' char *p = a;')
@@ -1206,8 +1202,14 @@
prnt()
self._num_externpy += 1
+ def _generate_cpy_extern_python_decl(self, tp, name):
+ self._extern_python_decl(tp, name, 'static ')
+
def _generate_cpy_dllexport_python_decl(self, tp, name):
- self._generate_cpy_extern_python_decl(tp, name, dllexport=True)
+ self._extern_python_decl(tp, name, 'CFFI_DLLEXPORT ')
+
+ def _generate_cpy_extern_python_plus_c_decl(self, tp, name):
+ self._extern_python_decl(tp, name, '')
def _generate_cpy_extern_python_ctx(self, tp, name):
if self.target_is_python:
@@ -1220,8 +1222,9 @@
self._lsts["global"].append(
GlobalExpr(name, '&_cffi_externpy__%s' % name, type_op, name))
- def _generate_cpy_dllexport_python_ctx(self, tp, name):
- self._generate_cpy_extern_python_ctx(tp, name)
+ _generate_cpy_dllexport_python_ctx = \
+ _generate_cpy_extern_python_plus_c_ctx = \
+ _generate_cpy_extern_python_ctx
def _string_literal(self, s):
def _char_repr(c):
diff --git a/pypy/module/test_lib_pypy/cffi_tests/cffi0/backend_tests.py
b/pypy/module/test_lib_pypy/cffi_tests/cffi0/backend_tests.py
--- a/pypy/module/test_lib_pypy/cffi_tests/cffi0/backend_tests.py
+++ b/pypy/module/test_lib_pypy/cffi_tests/cffi0/backend_tests.py
@@ -1353,8 +1353,8 @@
ffi = FFI(backend=self.Backend())
ffi.cdef("enum foo;")
from cffi import __version_info__
- if __version_info__ < (1, 6):
- py.test.skip("re-enable me in version 1.6")
+ if __version_info__ < (1, 7):
+ py.test.skip("re-enable me in version 1.7")
e = py.test.raises(CDefError, ffi.cast, "enum foo", -1)
assert str(e.value) == (
"'enum foo' has no values explicitly defined: refusing to guess "
diff --git a/pypy/module/test_lib_pypy/cffi_tests/cffi1/test_recompiler.py
b/pypy/module/test_lib_pypy/cffi_tests/cffi1/test_recompiler.py
--- a/pypy/module/test_lib_pypy/cffi_tests/cffi1/test_recompiler.py
+++ b/pypy/module/test_lib_pypy/cffi_tests/cffi1/test_recompiler.py
@@ -1511,7 +1511,9 @@
void boz(void);
}
""")
- lib = verify(ffi, 'test_extern_python_1', "")
+ lib = verify(ffi, 'test_extern_python_1', """
+ static void baz(int, int); /* forward */
+ """)
assert ffi.typeof(lib.bar) == ffi.typeof("int(*)(int, int)")
with FdWriteCapture() as f:
res = lib.bar(4, 5)
@@ -1745,6 +1747,35 @@
assert lib.mycb1(200) == 242
assert lib.indirect_call(300) == 342
+def test_extern_python_plus_c():
+ ffi = FFI()
+ ffi.cdef("""
+ extern "Python+C" int foo(int);
+ extern "C +\tPython" int bar(int);
+ int call_me(int);
+ """)
+ lib = verify(ffi, 'test_extern_python_plus_c', """
+ int foo(int);
+ #ifdef __GNUC__
+ __attribute__((visibility("hidden")))
+ #endif
+ int bar(int);
+
+ static int call_me(int x) {
+ return foo(x) - bar(x);
+ }
+ """)
+ #
+ @ffi.def_extern()
+ def foo(x):
+ return x * 42
+ @ffi.def_extern()
+ def bar(x):
+ return x * 63
+ assert lib.foo(100) == 4200
+ assert lib.bar(100) == 6300
+ assert lib.call_me(100) == -2100
+
def test_introspect_function():
ffi = FFI()
ffi.cdef("float f1(double);")
diff --git a/pypy/module/test_lib_pypy/cffi_tests/embedding/empty.py
b/pypy/module/test_lib_pypy/cffi_tests/embedding/empty.py
new file mode 100644
--- /dev/null
+++ b/pypy/module/test_lib_pypy/cffi_tests/embedding/empty.py
@@ -0,0 +1,11 @@
+# Generated by pypy/tool/import_cffi.py
+import cffi
+
+ffi = cffi.FFI()
+
+ffi.embedding_api("")
+
+ffi.set_source("_empty_cffi", "")
+
+fn = ffi.compile(verbose=True)
+print('FILENAME: %s' % (fn,))
_______________________________________________
pypy-commit mailing list
[email protected]
https://mail.python.org/mailman/listinfo/pypy-commit
