Author: Armin Rigo <[email protected]>
Branch:
Changeset: r3272:4878938ac504
Date: 2019-04-26 13:59 +0200
http://bitbucket.org/cffi/cffi/changeset/4878938ac504/
Log: merge pull request #96. Thanks Cody!
diff --git a/cffi/cparser.py b/cffi/cparser.py
--- a/cffi/cparser.py
+++ b/cffi/cparser.py
@@ -858,15 +858,28 @@
"the actual array length in this context"
% exprnode.coord.line)
#
- if (isinstance(exprnode, pycparser.c_ast.BinaryOp) and
- exprnode.op == '+'):
- return (self._parse_constant(exprnode.left) +
- self._parse_constant(exprnode.right))
- #
- if (isinstance(exprnode, pycparser.c_ast.BinaryOp) and
- exprnode.op == '-'):
- return (self._parse_constant(exprnode.left) -
- self._parse_constant(exprnode.right))
+ if isinstance(exprnode, pycparser.c_ast.BinaryOp):
+ left = self._parse_constant(exprnode.left)
+ right = self._parse_constant(exprnode.right)
+ if exprnode.op == '+':
+ return left + right
+ elif exprnode.op == '-':
+ return left - right
+ elif exprnode.op == '*':
+ return left * right
+ elif exprnode.op == '/':
+ # do integer division!
+ return left // right
+ elif exprnode.op == '<<':
+ return left << right
+ elif exprnode.op == '>>':
+ return left >> right
+ elif exprnode.op == '&':
+ return left & right
+ elif exprnode.op == '|':
+ return left | right
+ elif exprnode.op == '^':
+ return left ^ right
#
raise FFIError(":%d: unsupported expression: expected a "
"simple numeric constant" % exprnode.coord.line)
diff --git a/testing/cffi0/test_parsing.py b/testing/cffi0/test_parsing.py
--- a/testing/cffi0/test_parsing.py
+++ b/testing/cffi0/test_parsing.py
@@ -409,7 +409,17 @@
def test_enum():
ffi = FFI()
ffi.cdef("""
- enum Enum { POS = +1, TWO = 2, NIL = 0, NEG = -1, OP = (POS+TWO)-1};
+ enum Enum {
+ POS = +1,
+ TWO = 2,
+ NIL = 0,
+ NEG = -1,
+ ADDSUB = (POS+TWO)-1,
+ DIVMULINT = (3 * 3) / 2,
+ SHIFT = (1 << 3) >> 1,
+ BINOPS = (0x7 & 0x1) | 0x8,
+ XOR = 0xf ^ 0xa
+ };
""")
needs_dlopen_none()
C = ffi.dlopen(None)
@@ -417,7 +427,11 @@
assert C.TWO == 2
assert C.NIL == 0
assert C.NEG == -1
- assert C.OP == 2
+ assert C.ADDSUB == 2
+ assert C.DIVMULINT == 4
+ assert C.SHIFT == 4
+ assert C.BINOPS == 0b1001
+ assert C.XOR == 0b0101
def test_stdcall():
ffi = FFI()
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