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gh-116988: Remove duplicates of `annotated_rhs` in the Grammar (#117004)

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David Rubin 2024-04-24 10:16:06 -07:00 committed by GitHub
parent 1acd249798
commit 9b280ab0ab
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3 changed files with 2739 additions and 3270 deletions
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18
Grammar/python.gram
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@ -915,7 +915,7 @@ fstring_middle[expr_ty]:
| fstring_replacement_field
| t=FSTRING_MIDDLE { _PyPegen_constant_from_token(p, t) }
fstring_replacement_field[expr_ty]:
| '{' a=(yield_expr | star_expressions) debug_expr='='? conversion=[fstring_conversion] format=[fstring_full_format_spec] rbrace='}' {
| '{' a=annotated_rhs debug_expr='='? conversion=[fstring_conversion] format=[fstring_full_format_spec] rbrace='}' {
_PyPegen_formatted_value(p, a, debug_expr, conversion, format, rbrace, EXTRA) }
| invalid_replacement_field
fstring_conversion[ResultTokenWithMetadata*]:
@ -1201,7 +1201,7 @@ invalid_assignment:
| (star_targets '=')* a=star_expressions '=' {
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") }
| a=star_expressions augassign (yield_expr | star_expressions) {
| a=star_expressions augassign annotated_rhs {
RAISE_SYNTAX_ERROR_KNOWN_LOCATION(
a,
"'%s' is an illegal expression for augmented assignment",
@ -1407,17 +1407,17 @@ invalid_replacement_field:
| '{' a='!' { RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "f-string: valid expression required before '!'") }
| '{' a=':' { RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "f-string: valid expression required before ':'") }
| '{' a='}' { RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "f-string: valid expression required before '}'") }
| '{' !(yield_expr | star_expressions) { RAISE_SYNTAX_ERROR_ON_NEXT_TOKEN("f-string: expecting a valid expression after '{'")}
| '{' (yield_expr | star_expressions) !('=' | '!' | ':' | '}') {
| '{' !annotated_rhs { RAISE_SYNTAX_ERROR_ON_NEXT_TOKEN("f-string: expecting a valid expression after '{'")}
| '{' annotated_rhs !('=' | '!' | ':' | '}') {
PyErr_Occurred() ? NULL : RAISE_SYNTAX_ERROR_ON_NEXT_TOKEN("f-string: expecting '=', or '!', or ':', or '}'") }
| '{' (yield_expr | star_expressions) '=' !('!' | ':' | '}') {
| '{' annotated_rhs '=' !('!' | ':' | '}') {
PyErr_Occurred() ? NULL : RAISE_SYNTAX_ERROR_ON_NEXT_TOKEN("f-string: expecting '!', or ':', or '}'") }
| '{' (yield_expr | star_expressions) '='? invalid_conversion_character
| '{' (yield_expr | star_expressions) '='? ['!' NAME] !(':' | '}') {
| '{' annotated_rhs '='? invalid_conversion_character
| '{' annotated_rhs '='? ['!' NAME] !(':' | '}') {
PyErr_Occurred() ? NULL : RAISE_SYNTAX_ERROR_ON_NEXT_TOKEN("f-string: expecting ':' or '}'") }
| '{' (yield_expr | star_expressions) '='? ['!' NAME] ':' fstring_format_spec* !'}' {
| '{' annotated_rhs '='? ['!' NAME] ':' fstring_format_spec* !'}' {
PyErr_Occurred() ? NULL : RAISE_SYNTAX_ERROR_ON_NEXT_TOKEN("f-string: expecting '}', or format specs") }
| '{' (yield_expr | star_expressions) '='? ['!' NAME] !'}' {
| '{' annotated_rhs '='? ['!' NAME] !'}' {
PyErr_Occurred() ? NULL : RAISE_SYNTAX_ERROR_ON_NEXT_TOKEN("f-string: expecting '}'") }
invalid_conversion_character:

5989
Parser/parser.c generated
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2
Tools/peg_generator/pegen/c_generator.py
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@ -253,7 +253,7 @@ class CCallMakerVisitor(GrammarVisitor):
else:
return FunctionCall(
function=f"_PyPegen_lookahead",
arguments=[positive, call.function, *call.arguments],
arguments=[positive, f"(void *(*)(Parser *)) {call.function}", *call.arguments],
return_type="int",
)