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			100 lines
		
	
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			100 lines
		
	
	
	
		
			2.6 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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	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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