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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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