1 | n/a | #include "Python.h" |
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2 | n/a | #include "opcode.h" |
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3 | n/a | |
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4 | n/a | /*[clinic input] |
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5 | n/a | module _opcode |
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6 | n/a | [clinic start generated code]*/ |
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7 | n/a | /*[clinic end generated code: output=da39a3ee5e6b4b0d input=117442e66eb376e6]*/ |
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8 | n/a | |
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9 | n/a | #include "clinic/_opcode.c.h" |
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10 | n/a | |
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11 | n/a | /*[clinic input] |
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12 | n/a | |
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13 | n/a | _opcode.stack_effect -> int |
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14 | n/a | |
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15 | n/a | opcode: int |
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16 | n/a | oparg: object = None |
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17 | n/a | / |
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18 | n/a | |
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19 | n/a | Compute the stack effect of the opcode. |
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20 | n/a | [clinic start generated code]*/ |
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21 | n/a | |
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22 | n/a | static int |
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23 | n/a | _opcode_stack_effect_impl(PyObject *module, int opcode, PyObject *oparg) |
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24 | n/a | /*[clinic end generated code: output=ad39467fa3ad22ce input=2d0a9ee53c0418f5]*/ |
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25 | n/a | { |
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26 | n/a | int effect; |
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27 | n/a | int oparg_int = 0; |
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28 | n/a | if (HAS_ARG(opcode)) { |
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29 | n/a | if (oparg == Py_None) { |
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30 | n/a | PyErr_SetString(PyExc_ValueError, |
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31 | n/a | "stack_effect: opcode requires oparg but oparg was not specified"); |
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32 | n/a | return -1; |
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33 | n/a | } |
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34 | n/a | oparg_int = (int)PyLong_AsLong(oparg); |
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35 | n/a | if ((oparg_int == -1) && PyErr_Occurred()) |
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36 | n/a | return -1; |
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37 | n/a | } |
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38 | n/a | else if (oparg != Py_None) { |
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39 | n/a | PyErr_SetString(PyExc_ValueError, |
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40 | n/a | "stack_effect: opcode does not permit oparg but oparg was specified"); |
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41 | n/a | return -1; |
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42 | n/a | } |
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43 | n/a | effect = PyCompile_OpcodeStackEffect(opcode, oparg_int); |
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44 | n/a | if (effect == PY_INVALID_STACK_EFFECT) { |
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45 | n/a | PyErr_SetString(PyExc_ValueError, |
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46 | n/a | "invalid opcode or oparg"); |
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47 | n/a | return -1; |
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48 | n/a | } |
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49 | n/a | return effect; |
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50 | n/a | } |
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51 | n/a | |
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52 | n/a | |
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53 | n/a | |
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54 | n/a | |
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55 | n/a | static PyMethodDef |
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56 | n/a | opcode_functions[] = { |
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57 | n/a | _OPCODE_STACK_EFFECT_METHODDEF |
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58 | n/a | {NULL, NULL, 0, NULL} |
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59 | n/a | }; |
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60 | n/a | |
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61 | n/a | |
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62 | n/a | static struct PyModuleDef opcodemodule = { |
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63 | n/a | PyModuleDef_HEAD_INIT, |
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64 | n/a | "_opcode", |
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65 | n/a | "Opcode support module.", |
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66 | n/a | -1, |
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67 | n/a | opcode_functions, |
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68 | n/a | NULL, |
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69 | n/a | NULL, |
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70 | n/a | NULL, |
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71 | n/a | NULL |
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72 | n/a | }; |
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73 | n/a | |
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74 | n/a | PyMODINIT_FUNC |
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75 | n/a | PyInit__opcode(void) |
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76 | n/a | { |
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77 | n/a | return PyModule_Create(&opcodemodule); |
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78 | n/a | } |
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