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55e00f279f
svn+ssh://pythondev@svn.python.org/python/trunk ........ r65715 | benjamin.peterson | 2008-08-16 16:04:16 -0500 (Sat, 16 Aug 2008) | 1 line add some documentation for symtable ........ r65724 | benjamin.peterson | 2008-08-16 17:11:33 -0500 (Sat, 16 Aug 2008) | 2 lines include filename and line number in SyntaxError ........ r65726 | georg.brandl | 2008-08-16 17:37:05 -0500 (Sat, 16 Aug 2008) | 2 lines Review symtable docs. ........ r65732 | benjamin.peterson | 2008-08-16 18:29:40 -0500 (Sat, 16 Aug 2008) | 1 line PySTEntry's constructor is static; there's no point in a fancy API name ........ r65736 | benjamin.peterson | 2008-08-16 20:09:17 -0500 (Sat, 16 Aug 2008) | 1 line expose PySTEntry.nested so the symtable module will work ........ r65737 | benjamin.peterson | 2008-08-16 20:17:15 -0500 (Sat, 16 Aug 2008) | 1 line a few improvements ........ r65738 | benjamin.peterson | 2008-08-16 20:27:30 -0500 (Sat, 16 Aug 2008) | 1 line fix compile errors ........ r65739 | benjamin.peterson | 2008-08-16 21:23:43 -0500 (Sat, 16 Aug 2008) | 1 line uhh PySTEntry->ste_unoptimized has to be exposed too ........ r65775 | benjamin.peterson | 2008-08-17 12:13:26 -0500 (Sun, 17 Aug 2008) | 5 lines get the symtable module back in working order - Fix broken functions - Add (hopefully) extensive tests - Modernize a little ........
104 lines
2.7 KiB
C
104 lines
2.7 KiB
C
#include "Python.h"
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#include "code.h"
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#include "compile.h"
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#include "Python-ast.h"
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#include "symtable.h"
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static PyObject *
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symtable_symtable(PyObject *self, PyObject *args)
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{
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struct symtable *st;
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PyObject *t;
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char *str;
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char *filename;
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char *startstr;
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int start;
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if (!PyArg_ParseTuple(args, "sss:symtable", &str, &filename,
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&startstr))
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return NULL;
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if (strcmp(startstr, "exec") == 0)
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start = Py_file_input;
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else if (strcmp(startstr, "eval") == 0)
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start = Py_eval_input;
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else if (strcmp(startstr, "single") == 0)
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start = Py_single_input;
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else {
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PyErr_SetString(PyExc_ValueError,
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"symtable() arg 3 must be 'exec' or 'eval' or 'single'");
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return NULL;
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}
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st = Py_SymtableString(str, filename, start);
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if (st == NULL)
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return NULL;
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t = st->st_blocks;
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Py_INCREF(t);
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PyMem_Free((void *)st->st_future);
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PySymtable_Free(st);
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return t;
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}
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static PyMethodDef symtable_methods[] = {
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{"symtable", symtable_symtable, METH_VARARGS,
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PyDoc_STR("Return symbol and scope dictionaries"
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" used internally by compiler.")},
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{NULL, NULL} /* sentinel */
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};
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static struct PyModuleDef symtablemodule = {
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PyModuleDef_HEAD_INIT,
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"_symtable",
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NULL,
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-1,
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symtable_methods,
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NULL,
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NULL,
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NULL,
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NULL
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};
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PyMODINIT_FUNC
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PyInit__symtable(void)
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{
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PyObject *m;
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m = PyModule_Create(&symtablemodule);
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if (m == NULL)
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return NULL;
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PyModule_AddIntConstant(m, "USE", USE);
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PyModule_AddIntConstant(m, "DEF_GLOBAL", DEF_GLOBAL);
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PyModule_AddIntConstant(m, "DEF_LOCAL", DEF_LOCAL);
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PyModule_AddIntConstant(m, "DEF_PARAM", DEF_PARAM);
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PyModule_AddIntConstant(m, "DEF_STAR", DEF_STAR);
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PyModule_AddIntConstant(m, "DEF_DOUBLESTAR", DEF_DOUBLESTAR);
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PyModule_AddIntConstant(m, "DEF_INTUPLE", DEF_INTUPLE);
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PyModule_AddIntConstant(m, "DEF_FREE", DEF_FREE);
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PyModule_AddIntConstant(m, "DEF_FREE_GLOBAL", DEF_FREE_GLOBAL);
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PyModule_AddIntConstant(m, "DEF_FREE_CLASS", DEF_FREE_CLASS);
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PyModule_AddIntConstant(m, "DEF_IMPORT", DEF_IMPORT);
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PyModule_AddIntConstant(m, "DEF_BOUND", DEF_BOUND);
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PyModule_AddIntConstant(m, "TYPE_FUNCTION", FunctionBlock);
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PyModule_AddIntConstant(m, "TYPE_CLASS", ClassBlock);
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PyModule_AddIntConstant(m, "TYPE_MODULE", ModuleBlock);
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PyModule_AddIntConstant(m, "OPT_IMPORT_STAR", OPT_IMPORT_STAR);
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PyModule_AddIntConstant(m, "OPT_TOPLEVEL", OPT_TOPLEVEL);
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PyModule_AddIntConstant(m, "LOCAL", LOCAL);
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PyModule_AddIntConstant(m, "GLOBAL_EXPLICIT", GLOBAL_EXPLICIT);
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PyModule_AddIntConstant(m, "GLOBAL_IMPLICIT", GLOBAL_IMPLICIT);
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PyModule_AddIntConstant(m, "FREE", FREE);
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PyModule_AddIntConstant(m, "CELL", CELL);
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PyModule_AddIntConstant(m, "SCOPE_OFF", SCOPE_OFFSET);
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PyModule_AddIntConstant(m, "SCOPE_MASK", SCOPE_MASK);
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if (PyErr_Occurred()) {
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Py_DECREF(m);
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m = 0;
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}
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return m;
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}
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