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1 # Python bindings for Yasm: Pyrex input file for value.h | 1 # Python bindings for Yasm: Pyrex input file for value.h |
2 # | 2 # |
3 # Copyright (C) 2006 Michael Urman, Peter Johnson | 3 # Copyright (C) 2006 Michael Urman, Peter Johnson |
4 # | 4 # |
5 # Redistribution and use in source and binary forms, with or without | 5 # Redistribution and use in source and binary forms, with or without |
6 # modification, are permitted provided that the following conditions | 6 # modification, are permitted provided that the following conditions |
7 # are met: | 7 # are met: |
8 # 1. Redistributions of source code must retain the above copyright | 8 # 1. Redistributions of source code must retain the above copyright |
9 # notice, this list of conditions and the following disclaimer. | 9 # notice, this list of conditions and the following disclaimer. |
10 # 2. Redistributions in binary form must reproduce the above copyright | 10 # 2. Redistributions in binary form must reproduce the above copyright |
11 # notice, this list of conditions and the following disclaimer in the | 11 # notice, this list of conditions and the following disclaimer in the |
12 # documentation and/or other materials provided with the distribution. | 12 # documentation and/or other materials provided with the distribution. |
13 # | 13 # |
14 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS'' | 14 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS'' |
15 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 15 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
16 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | 16 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
17 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE | 17 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE |
18 # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | 18 # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
19 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | 19 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
20 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | 20 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
21 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | 21 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
22 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | 22 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
23 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | 23 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
24 # POSSIBILITY OF SUCH DAMAGE. | 24 # POSSIBILITY OF SUCH DAMAGE. |
25 | 25 |
26 cdef class Value: | 26 cdef class Value: |
27 cdef yasm_value value | 27 cdef yasm_value value |
28 def __new__(self, value=None, size=None): | 28 def __cinit__(self, value=None, size=None): |
29 cdef unsigned int sz | 29 cdef unsigned int sz |
30 if size is None: | 30 if size is None: |
31 sz = 0 | 31 sz = 0 |
32 else: | 32 else: |
33 sz = size; | 33 sz = size; |
34 | 34 |
35 yasm_value_initialize(&self.value, NULL, sz) | 35 yasm_value_initialize(&self.value, NULL, sz) |
36 if value is None: | 36 if value is None: |
37 pass | 37 pass |
38 elif isinstance(value, Expression): | 38 elif isinstance(value, Expression): |
39 yasm_value_initialize(&self.value, | 39 yasm_value_initialize(&self.value, |
40 yasm_expr_copy((<Expression>value).expr), sz) | 40 yasm_expr_copy((<Expression>value).expr), sz) |
41 elif isinstance(value, Symbol): | 41 elif isinstance(value, Symbol): |
42 yasm_value_init_sym(&self.value, (<Symbol>value).sym, sz) | 42 yasm_value_init_sym(&self.value, (<Symbol>value).sym, sz) |
43 else: | 43 else: |
44 raise TypeError("Invalid value type '%s'" % type(value)) | 44 raise TypeError("Invalid value type '%s'" % type(value)) |
45 | 45 |
46 def __dealloc__(self): | 46 def __dealloc__(self): |
47 yasm_value_delete(&self.value) | 47 yasm_value_delete(&self.value) |
48 | 48 |
49 def finalize(self, precbc=None): | 49 def finalize(self, precbc=None): |
50 if precbc is None: | 50 if precbc is None: |
51 return yasm_value_finalize(&self.value, NULL) | 51 return yasm_value_finalize(&self.value, NULL) |
52 elif isinstance(precbc, Bytecode): | 52 elif isinstance(precbc, Bytecode): |
53 return yasm_value_finalize(&self.value, (<Bytecode>precbc).bc) | 53 return yasm_value_finalize(&self.value, (<Bytecode>precbc).bc) |
54 else: | 54 else: |
55 raise TypeError("Invalid precbc type '%s'" % type(precbc)) | 55 raise TypeError("Invalid precbc type '%s'" % type(precbc)) |
56 | 56 |
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