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gh-119180: PEP 649 compiler changes (#119361)

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Jelle Zijlstra 2024-06-11 07:06:49 -06:00 • committed by GitHub
parent 02c1dfff07
commit 9b8611eeea
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28 changed files with 610 additions and 329 deletions
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8
Include/internal/pycore_symtable.h
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@ -12,8 +12,9 @@ struct _mod; // Type defined in pycore_ast.h
typedef enum _block_type {
FunctionBlock, ClassBlock, ModuleBlock,
// Used for annotations if 'from __future__ import annotations' is active.
// Annotation blocks cannot bind names and are not evaluated.
// Used for annotations. If 'from __future__ import annotations' is active,
// annotation blocks cannot bind names and are not evaluated. Otherwise, they
// are lazily evaluated (see PEP 649).
AnnotationBlock,
// Used for generics and type aliases. These work mostly like functions
// (see PEP 695 for details). The three different blocks function identically;
@ -89,6 +90,7 @@ typedef struct _symtable_entry {
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_annotations_used : 1; /* true if there are any annotations in this scope */
_Py_comprehension_ty ste_comprehension; /* Kind of comprehension (if any) */
unsigned ste_varargs : 1; /* true if block has varargs */
unsigned ste_varkeywords : 1; /* true if block has varkeywords */
@ -110,6 +112,7 @@ typedef struct _symtable_entry {
int ste_end_col_offset; /* end 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_entry *ste_annotation_block; /* symbol table entry for this entry's annotations */
struct symtable *ste_table;
} PySTEntryObject;
@ -126,6 +129,7 @@ extern struct symtable* _PySymtable_Build(
PyObject *filename,
_PyFutureFeatures *future);
extern PySTEntryObject* _PySymtable_Lookup(struct symtable *, void *);
extern int _PySymtable_LookupOptional(struct symtable *, void *, PySTEntryObject **);
extern void _PySymtable_Free(struct symtable *);