symbian-qemu-0.9.1-12/python-2.6.1/Include/symtable.h
changeset 1 2fb8b9db1c86
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-2.6.1/Include/symtable.h	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,103 @@
+#ifndef Py_SYMTABLE_H
+#define Py_SYMTABLE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum _block_type { FunctionBlock, ClassBlock, ModuleBlock }
+    _Py_block_ty;
+
+struct _symtable_entry;
+
+struct symtable {
+	const char *st_filename; /* name of file being compiled */
+	struct _symtable_entry *st_cur; /* current symbol table entry */
+	struct _symtable_entry *st_top; /* module entry */
+	PyObject *st_symbols;    /* dictionary of symbol table entries */
+        PyObject *st_stack;      /* stack of namespace info */
+	PyObject *st_global;     /* borrowed ref to MODULE in st_symbols */
+	int st_nblocks;          /* number of blocks */
+	PyObject *st_private;        /* name of current class or NULL */
+        int st_tmpname;          /* temporary name counter */
+	PyFutureFeatures *st_future; /* module's future features */
+};
+
+typedef struct _symtable_entry {
+	PyObject_HEAD
+	PyObject *ste_id;        /* int: key in st_symbols */
+	PyObject *ste_symbols;   /* dict: name to flags */
+	PyObject *ste_name;      /* string: name of block */
+	PyObject *ste_varnames;  /* list of variable names */
+	PyObject *ste_children;  /* list of child ids */
+	_Py_block_ty ste_type;   /* module, class, or function */
+	int ste_unoptimized;     /* false if namespace is optimized */
+	int ste_nested;      /* true if block is nested */
+	unsigned ste_free : 1;        /* true if block has free variables */
+	unsigned ste_child_free : 1;  /* true if a child block has free vars,
+				         including free refs to globals */
+	unsigned ste_generator : 1;   /* true if namespace is a generator */
+	unsigned ste_varargs : 1;     /* true if block has varargs */
+	unsigned ste_varkeywords : 1; /* true if block has varkeywords */
+	unsigned ste_returns_value : 1;  /* true if namespace uses return with
+	                                    an argument */
+	int ste_lineno;          /* first line of block */
+	int ste_opt_lineno;      /* lineno of last exec or import * */
+	int ste_tmpname;         /* counter for listcomp temp vars */
+	struct symtable *ste_table;
+} PySTEntryObject;
+
+PyAPI_DATA(PyTypeObject) PySTEntry_Type;
+
+#define PySTEntry_Check(op) (Py_TYPE(op) == &PySTEntry_Type)
+
+PyAPI_FUNC(int) PyST_GetScope(PySTEntryObject *, PyObject *);
+
+PyAPI_FUNC(struct symtable *) PySymtable_Build(mod_ty, const char *, 
+					      PyFutureFeatures *);
+PyAPI_FUNC(PySTEntryObject *) PySymtable_Lookup(struct symtable *, void *);
+
+PyAPI_FUNC(void) PySymtable_Free(struct symtable *);
+
+/* Flags for def-use information */
+
+#define DEF_GLOBAL 1           /* global stmt */
+#define DEF_LOCAL 2            /* assignment in code block */
+#define DEF_PARAM 2<<1         /* formal parameter */
+#define USE 2<<2               /* name is used */
+#define DEF_STAR 2<<3          /* parameter is star arg */
+#define DEF_DOUBLESTAR 2<<4    /* parameter is star-star arg */
+#define DEF_INTUPLE 2<<5       /* name defined in tuple in parameters */
+#define DEF_FREE 2<<6          /* name used but not defined in nested block */
+#define DEF_FREE_GLOBAL 2<<7   /* free variable is actually implicit global */
+#define DEF_FREE_CLASS 2<<8    /* free variable from class's method */
+#define DEF_IMPORT 2<<9        /* assignment occurred via import */
+
+#define DEF_BOUND (DEF_LOCAL | DEF_PARAM | DEF_IMPORT)
+
+/* GLOBAL_EXPLICIT and GLOBAL_IMPLICIT are used internally by the symbol
+   table.  GLOBAL is returned from PyST_GetScope() for either of them. 
+   It is stored in ste_symbols at bits 12-14.
+*/
+#define SCOPE_OFF 11
+#define SCOPE_MASK 7
+
+#define LOCAL 1
+#define GLOBAL_EXPLICIT 2
+#define GLOBAL_IMPLICIT 3
+#define FREE 4
+#define CELL 5
+
+/* The following three names are used for the ste_unoptimized bit field */
+#define OPT_IMPORT_STAR 1
+#define OPT_EXEC 2
+#define OPT_BARE_EXEC 4
+#define OPT_TOPLEVEL 8  /* top-level names, including eval and exec */
+
+#define GENERATOR 1
+#define GENERATOR_EXPRESSION 2
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* !Py_SYMTABLE_H */