traverseda
/
cpython
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

bpo-41119: Output correct error message for list/tuple followed by colon (GH-21160)

This commit is contained in:
Lysandros Nikolaou 2020-06-26 02:22:36 +03:00 committed by GitHub
parent 6f8a6ee59c
commit 4b85e60601
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 464 additions and 500 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
Grammar/python.gram
View File

@ -646,18 +646,18 @@ invalid_named_expression:
RAISE_SYNTAX_ERROR_KNOWN_LOCATION( RAISE_SYNTAX_ERROR_KNOWN_LOCATION(
a, "cannot use assignment expressions with %s", _PyPegen_get_expr_name(a)) } a, "cannot use assignment expressions with %s", _PyPegen_get_expr_name(a)) }
invalid_assignment: invalid_assignment:
| a=list ':' { RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "only single target (not list) can be annotated") } | a=list ':' expression { RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "only single target (not list) can be annotated") }
| a=tuple ':' { RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "only single target (not tuple) can be annotated") } | a=tuple ':' expression { RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "only single target (not tuple) can be annotated") }
| a=star_named_expression ',' star_named_expressions* ':' { | a=star_named_expression ',' star_named_expressions* ':' expression {
RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "only single target (not tuple) can be annotated") } RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "only single target (not tuple) can be annotated") }
| a=expression ':' expression ['=' annotated_rhs] { | a=expression ':' expression {
RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "illegal target for annotation") } RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "illegal target for annotation") }
| (star_targets '=')* a=star_expressions '=' { | (star_targets '=')* a=star_expressions '=' {
RAISE_SYNTAX_ERROR_INVALID_TARGET(STAR_TARGETS, a) } RAISE_SYNTAX_ERROR_INVALID_TARGET(STAR_TARGETS, a) }
| (star_targets '=')* a=yield_expr '=' { RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "assignment to yield expression not possible") } | (star_targets '=')* a=yield_expr '=' { RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "assignment to yield expression not possible") }
| a=star_expressions augassign (yield_expr | star_expressions) { | a=star_expressions augassign (yield_expr | star_expressions) {
RAISE_SYNTAX_ERROR_KNOWN_LOCATION( RAISE_SYNTAX_ERROR_KNOWN_LOCATION(
a, a,
"'%s' is an illegal expression for augmented assignment", "'%s' is an illegal expression for augmented assignment",
_PyPegen_get_expr_name(a) _PyPegen_get_expr_name(a)
)} )}

954
Parser/parser.c
View File

File diff suppressed because it is too large Load Diff