Mercurial > pymonkey
annotate pymonkey.c @ 4:2711b636f8e6
Added support for NULL return values.
| author | Atul Varma <varmaa@toolness.com> |
|---|---|
| date | Sun, 28 Jun 2009 12:43:02 -0700 |
| parents | d6a0819ca6ca |
| children | aae78eac86d6 |
| rev | line source |
|---|---|
| 0 | 1 #include "jsapi.h" |
| 2 #include <Python/Python.h> | |
| 3 | |
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2
2f6bdc9f7245
pymonkey.evaluate() now returns a python-ized version of the JS return value, though it only supports integers at the moment.
Atul Varma <varmaa@toolness.com>
parents:
0
diff
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4 static JSClass PYM_jsGlobalClass = { |
| 0 | 5 "PymonkeyGlobal", JSCLASS_GLOBAL_FLAGS, |
| 6 JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, | |
| 7 JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub, | |
| 8 JSCLASS_NO_OPTIONAL_MEMBERS | |
| 9 }; | |
| 10 | |
| 11 static PyObject *PYM_error; | |
| 12 | |
| 13 static PyObject * | |
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2f6bdc9f7245
pymonkey.evaluate() now returns a python-ized version of the JS return value, though it only supports integers at the moment.
Atul Varma <varmaa@toolness.com>
parents:
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14 PYM_jsvalToPyObject(jsval value) { |
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2f6bdc9f7245
pymonkey.evaluate() now returns a python-ized version of the JS return value, though it only supports integers at the moment.
Atul Varma <varmaa@toolness.com>
parents:
0
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15 if (JSVAL_IS_INT(value)) |
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2f6bdc9f7245
pymonkey.evaluate() now returns a python-ized version of the JS return value, though it only supports integers at the moment.
Atul Varma <varmaa@toolness.com>
parents:
0
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16 return PyInt_FromLong(JSVAL_TO_INT(value)); |
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2f6bdc9f7245
pymonkey.evaluate() now returns a python-ized version of the JS return value, though it only supports integers at the moment.
Atul Varma <varmaa@toolness.com>
parents:
0
diff
changeset
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17 |
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3
d6a0819ca6ca
Added return value support for doubles.
Atul Varma <varmaa@toolness.com>
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18 if (JSVAL_IS_DOUBLE(value)) { |
|
d6a0819ca6ca
Added return value support for doubles.
Atul Varma <varmaa@toolness.com>
parents:
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19 jsdouble *doubleRef = JSVAL_TO_DOUBLE(value); |
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d6a0819ca6ca
Added return value support for doubles.
Atul Varma <varmaa@toolness.com>
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20 return PyFloat_FromDouble(*doubleRef); |
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d6a0819ca6ca
Added return value support for doubles.
Atul Varma <varmaa@toolness.com>
parents:
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21 } |
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d6a0819ca6ca
Added return value support for doubles.
Atul Varma <varmaa@toolness.com>
parents:
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22 |
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4
2711b636f8e6
Added support for NULL return values.
Atul Varma <varmaa@toolness.com>
parents:
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23 if (JSVAL_IS_NULL(value)) { |
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2711b636f8e6
Added support for NULL return values.
Atul Varma <varmaa@toolness.com>
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24 Py_INCREF(Py_None); |
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2711b636f8e6
Added support for NULL return values.
Atul Varma <varmaa@toolness.com>
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25 return Py_None; |
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2711b636f8e6
Added support for NULL return values.
Atul Varma <varmaa@toolness.com>
parents:
3
diff
changeset
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26 } |
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2
2f6bdc9f7245
pymonkey.evaluate() now returns a python-ized version of the JS return value, though it only supports integers at the moment.
Atul Varma <varmaa@toolness.com>
parents:
0
diff
changeset
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27 |
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4
2711b636f8e6
Added support for NULL return values.
Atul Varma <varmaa@toolness.com>
parents:
3
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28 // TODO: Support more types. |
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2711b636f8e6
Added support for NULL return values.
Atul Varma <varmaa@toolness.com>
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29 PyErr_SetString(PyExc_NotImplementedError, |
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2711b636f8e6
Added support for NULL return values.
Atul Varma <varmaa@toolness.com>
parents:
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30 "Data type conversion not implemented."); |
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2
2f6bdc9f7245
pymonkey.evaluate() now returns a python-ized version of the JS return value, though it only supports integers at the moment.
Atul Varma <varmaa@toolness.com>
parents:
0
diff
changeset
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31 } |
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2f6bdc9f7245
pymonkey.evaluate() now returns a python-ized version of the JS return value, though it only supports integers at the moment.
Atul Varma <varmaa@toolness.com>
parents:
0
diff
changeset
|
32 |
|
2f6bdc9f7245
pymonkey.evaluate() now returns a python-ized version of the JS return value, though it only supports integers at the moment.
Atul Varma <varmaa@toolness.com>
parents:
0
diff
changeset
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33 static PyObject * |
| 0 | 34 PYM_evaluate(PyObject *self, PyObject *args) |
| 35 { | |
| 36 const char *source; | |
| 37 int sourceLen; | |
| 38 const char *filename; | |
| 39 int lineNo; | |
| 40 | |
| 41 if (!PyArg_ParseTuple(args, "s#si", &source, &sourceLen, | |
| 42 &filename, &lineNo)) | |
| 43 return NULL; | |
| 44 | |
| 45 JSRuntime *rt = JS_NewRuntime(8L * 1024L * 1024L); | |
| 46 if (rt == NULL) { | |
| 47 PyErr_SetString(PYM_error, "JS_NewRuntime() failed"); | |
| 48 return NULL; | |
| 49 } | |
| 50 | |
| 51 JSContext *cx = JS_NewContext(rt, 8192); | |
| 52 if (cx == NULL) { | |
| 53 PyErr_SetString(PYM_error, "JS_NewContext() failed"); | |
| 54 JS_DestroyRuntime(rt); | |
| 55 } | |
| 56 | |
| 57 JS_SetOptions(cx, JSOPTION_VAROBJFIX); | |
| 58 JS_SetVersion(cx, JSVERSION_LATEST); | |
| 59 | |
| 60 JS_BeginRequest(cx); | |
| 61 | |
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2
2f6bdc9f7245
pymonkey.evaluate() now returns a python-ized version of the JS return value, though it only supports integers at the moment.
Atul Varma <varmaa@toolness.com>
parents:
0
diff
changeset
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62 JSObject *global = JS_NewObject(cx, &PYM_jsGlobalClass, NULL, NULL); |
| 0 | 63 if (global == NULL) { |
| 64 PyErr_SetString(PYM_error, "JS_NewObject() failed"); | |
| 65 JS_EndRequest(cx); | |
| 66 JS_DestroyContext(cx); | |
| 67 JS_DestroyRuntime(rt); | |
| 68 return NULL; | |
| 69 } | |
| 70 | |
| 71 if (!JS_InitStandardClasses(cx, global)) { | |
| 72 PyErr_SetString(PYM_error, "JS_InitStandardClasses() failed"); | |
| 73 JS_EndRequest(cx); | |
| 74 JS_DestroyContext(cx); | |
| 75 JS_DestroyRuntime(rt); | |
| 76 return NULL; | |
| 77 } | |
| 78 | |
| 79 jsval rval; | |
| 80 if (!JS_EvaluateScript(cx, global, source, sourceLen, filename, | |
| 81 lineNo, &rval)) { | |
| 82 // TODO: Actually get the error that was raised. | |
| 83 PyErr_SetString(PYM_error, "Script failed"); | |
| 84 JS_EndRequest(cx); | |
| 85 JS_DestroyContext(cx); | |
| 86 JS_DestroyRuntime(rt); | |
| 87 return NULL; | |
| 88 } | |
| 89 | |
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3
d6a0819ca6ca
Added return value support for doubles.
Atul Varma <varmaa@toolness.com>
parents:
2
diff
changeset
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90 PyObject *pyRval = PYM_jsvalToPyObject(rval); |
|
d6a0819ca6ca
Added return value support for doubles.
Atul Varma <varmaa@toolness.com>
parents:
2
diff
changeset
|
91 |
| 0 | 92 JS_EndRequest(cx); |
| 93 JS_DestroyContext(cx); | |
| 94 JS_DestroyRuntime(rt); | |
| 95 | |
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3
d6a0819ca6ca
Added return value support for doubles.
Atul Varma <varmaa@toolness.com>
parents:
2
diff
changeset
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96 return pyRval; |
| 0 | 97 } |
| 98 | |
| 99 static PyMethodDef PYM_methods[] = { | |
| 100 {"evaluate", PYM_evaluate, METH_VARARGS, | |
| 101 "Evaluate the given JavaScript code, using the given filename " | |
| 102 "and line number information."}, | |
| 103 {NULL, NULL, 0, NULL} | |
| 104 }; | |
| 105 | |
| 106 PyMODINIT_FUNC | |
| 107 initpymonkey(void) | |
| 108 { | |
| 109 PyObject *module; | |
| 110 | |
| 111 module = Py_InitModule("pymonkey", PYM_methods); | |
| 112 if (module == NULL) | |
| 113 return; | |
| 114 | |
| 115 PYM_error = PyErr_NewException("pymonkey.error", NULL, NULL); | |
| 116 Py_INCREF(PYM_error); | |
| 117 PyModule_AddObject(module, "error", PYM_error); | |
| 118 } |