diff CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/python3.8/symtable.h @ 69:33d812a61356

planemo upload commit 2e9511a184a1ca667c7be0c6321a36dc4e3d116d
author jpayne
date Tue, 18 Mar 2025 17:55:14 -0400
parents
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/python3.8/symtable.h	Tue Mar 18 17:55:14 2025 -0400
@@ -0,0 +1,123 @@
+#ifndef Py_LIMITED_API
+#ifndef Py_SYMTABLE_H
+#define Py_SYMTABLE_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "Python-ast.h"   /* mod_ty */
+
+/* XXX(ncoghlan): This is a weird mix of public names and interpreter internal
+ *                names.
+ */
+
+typedef enum _block_type { FunctionBlock, ClassBlock, ModuleBlock }
+    _Py_block_ty;
+
+struct _symtable_entry;
+
+struct symtable {
+    PyObject *st_filename;          /* name of file being compiled,
+                                       decoded from the filesystem encoding */
+    struct _symtable_entry *st_cur; /* current symbol table entry */
+    struct _symtable_entry *st_top; /* symbol table entry for module */
+    PyObject *st_blocks;            /* dict: map AST node addresses
+                                     *       to symbol table entries */
+    PyObject *st_stack;             /* list: stack of namespace info */
+    PyObject *st_global;            /* borrowed ref to st_top->ste_symbols */
+    int st_nblocks;                 /* number of blocks used. kept for
+                                       consistency with the corresponding
+                                       compiler structure */
+    PyObject *st_private;           /* name of current class or NULL */
+    PyFutureFeatures *st_future;    /* module's future features that affect
+                                       the symbol table */
+    int recursion_depth;            /* current recursion depth */
+    int recursion_limit;            /* recursion limit */
+};
+
+typedef struct _symtable_entry {
+    PyObject_HEAD
+    PyObject *ste_id;        /* int: key in ste_table->st_blocks */
+    PyObject *ste_symbols;   /* dict: variable names to flags */
+    PyObject *ste_name;      /* string: name of current block */
+    PyObject *ste_varnames;  /* list of function parameters */
+    PyObject *ste_children;  /* list of child blocks */
+    PyObject *ste_directives;/* locations of global and nonlocal statements */
+    _Py_block_ty ste_type;   /* module, class, or function */
+    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_coroutine : 1;   /* true if namespace is a coroutine */
+    unsigned ste_comprehension : 1; /* true if namespace is a list comprehension */
+    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 */
+    unsigned ste_needs_class_closure : 1; /* for class scopes, true if a
+                                             closure over __class__
+                                             should be created */
+    unsigned ste_comp_iter_target : 1; /* true if visiting comprehension target */
+    int ste_comp_iter_expr; /* non-zero if visiting a comprehension range expression */
+    int ste_lineno;          /* first line of block */
+    int ste_col_offset;      /* offset of first line of block */
+    int ste_opt_lineno;      /* lineno of last exec or import * */
+    int ste_opt_col_offset;  /* offset of last exec or import * */
+    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 mod,
+    const char *filename,       /* decoded from the filesystem encoding */
+    PyFutureFeatures *future);
+PyAPI_FUNC(struct symtable *) PySymtable_BuildObject(
+    mod_ty mod,
+    PyObject *filename,
+    PyFutureFeatures *future);
+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 DEF_NONLOCAL 2<<2      /* nonlocal stmt */
+#define USE 2<<3               /* name is used */
+#define DEF_FREE 2<<4          /* name used but not defined in nested block */
+#define DEF_FREE_CLASS 2<<5    /* free variable from class's method */
+#define DEF_IMPORT 2<<6        /* assignment occurred via import */
+#define DEF_ANNOT 2<<7         /* this name is annotated */
+#define DEF_COMP_ITER 2<<8     /* this name is a comprehension iteration variable */
+
+#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 12-15.
+*/
+#define SCOPE_OFFSET 11
+#define SCOPE_MASK (DEF_GLOBAL | DEF_LOCAL | DEF_PARAM | DEF_NONLOCAL)
+
+#define LOCAL 1
+#define GLOBAL_EXPLICIT 2
+#define GLOBAL_IMPLICIT 3
+#define FREE 4
+#define CELL 5
+
+#define GENERATOR 1
+#define GENERATOR_EXPRESSION 2
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* !Py_SYMTABLE_H */
+#endif /* !Py_LIMITED_API */