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rust/compiler/rustc_parse/src/errors.rs
bors 883f9f72e8 Auto merge of #139949 - matthiaskrgr:rollup-pxc5tsx, r=matthiaskrgr 
Rollup of 8 pull requests

Successful merges:

 - #138632 (Stabilize `cfg_boolean_literals`)
 - #139416 (unstable book; document `macro_metavar_expr_concat`)
 - #139782 (Consistent with treating Ctor Call as Struct in liveness analysis)
 - #139885 (document RUSTC_BOOTSTRAP, RUSTC_OVERRIDE_VERSION_STRING, and -Z allow-features in the unstable book)
 - #139904 (Explicitly annotate edition for `unpretty=expanded` and `unpretty=hir` tests)
 - #139932 (transmutability: Refactor tests for simplicity)
 - #139944 (Move eager translation to a method on Diag)
 - #139948 (git: ignore `60600a6fa403216bfd66e04f948b1822f6450af7` for blame purposes)

r? `@ghost`
`@rustbot` modify labels: rollup
2025-04-17 11:21:54 +00:00

3417 lines
88 KiB
Rust
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// ignore-tidy-filelength
use std::borrow::Cow;
use rustc_ast::token::Token;
use rustc_ast::util::parser::ExprPrecedence;
use rustc_ast::{Path, Visibility};
use rustc_errors::codes::*;
use rustc_errors::{
Applicability, Diag, DiagCtxtHandle, Diagnostic, EmissionGuarantee, Level, Subdiagnostic,
};
use rustc_macros::{Diagnostic, Subdiagnostic};
use rustc_session::errors::ExprParenthesesNeeded;
use rustc_span::edition::{Edition, LATEST_STABLE_EDITION};
use rustc_span::{Ident, Span, Symbol};
use crate::fluent_generated as fluent;
use crate::parser::{ForbiddenLetReason, TokenDescription};
#[derive(Diagnostic)]
#[diag(parse_maybe_report_ambiguous_plus)]
pub(crate) struct AmbiguousPlus {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub suggestion: AddParen,
}
#[derive(Diagnostic)]
#[diag(parse_maybe_recover_from_bad_type_plus, code = E0178)]
pub(crate) struct BadTypePlus {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub sub: BadTypePlusSub,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(parse_add_paren, applicability = "machine-applicable")]
pub(crate) struct AddParen {
#[suggestion_part(code = "(")]
pub lo: Span,
#[suggestion_part(code = ")")]
pub hi: Span,
}
#[derive(Subdiagnostic)]
pub(crate) enum BadTypePlusSub {
AddParen {
#[subdiagnostic]
suggestion: AddParen,
},
#[label(parse_forgot_paren)]
ForgotParen {
#[primary_span]
span: Span,
},
#[label(parse_expect_path)]
ExpectPath {
#[primary_span]
span: Span,
},
}
#[derive(Diagnostic)]
#[diag(parse_maybe_recover_from_bad_qpath_stage_2)]
pub(crate) struct BadQPathStage2 {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub wrap: WrapType,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")]
pub(crate) struct WrapType {
#[suggestion_part(code = "<")]
pub lo: Span,
#[suggestion_part(code = ">")]
pub hi: Span,
}
#[derive(Diagnostic)]
#[diag(parse_incorrect_semicolon)]
pub(crate) struct IncorrectSemicolon<'a> {
#[primary_span]
#[suggestion(style = "verbose", code = "", applicability = "machine-applicable")]
pub span: Span,
#[help]
pub show_help: bool,
pub name: &'a str,
}
#[derive(Diagnostic)]
#[diag(parse_incorrect_use_of_await)]
pub(crate) struct IncorrectUseOfAwait {
#[primary_span]
#[suggestion(
parse_parentheses_suggestion,
style = "verbose",
code = "",
applicability = "machine-applicable"
)]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_incorrect_use_of_use)]
pub(crate) struct IncorrectUseOfUse {
#[primary_span]
#[suggestion(
parse_parentheses_suggestion,
style = "verbose",
code = "",
applicability = "machine-applicable"
)]
pub span: Span,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(
parse_incorrect_use_of_await_postfix_suggestion,
applicability = "machine-applicable"
)]
pub(crate) struct AwaitSuggestion {
#[suggestion_part(code = "")]
pub removal: Span,
#[suggestion_part(code = ".await{question_mark}")]
pub dot_await: Span,
pub question_mark: &'static str,
}
#[derive(Diagnostic)]
#[diag(parse_incorrect_use_of_await)]
pub(crate) struct IncorrectAwait {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub suggestion: AwaitSuggestion,
}
#[derive(Diagnostic)]
#[diag(parse_in_in_typo)]
pub(crate) struct InInTypo {
#[primary_span]
pub span: Span,
#[suggestion(code = "", style = "verbose", applicability = "machine-applicable")]
pub sugg_span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_invalid_variable_declaration)]
pub(crate) struct InvalidVariableDeclaration {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub sub: InvalidVariableDeclarationSub,
}
#[derive(Subdiagnostic)]
pub(crate) enum InvalidVariableDeclarationSub {
#[suggestion(
parse_switch_mut_let_order,
style = "verbose",
applicability = "maybe-incorrect",
code = "let mut"
)]
SwitchMutLetOrder(#[primary_span] Span),
#[suggestion(
parse_missing_let_before_mut,
applicability = "machine-applicable",
style = "verbose",
code = "let mut"
)]
MissingLet(#[primary_span] Span),
#[suggestion(
parse_use_let_not_auto,
style = "verbose",
applicability = "machine-applicable",
code = "let"
)]
UseLetNotAuto(#[primary_span] Span),
#[suggestion(
parse_use_let_not_var,
style = "verbose",
applicability = "machine-applicable",
code = "let"
)]
UseLetNotVar(#[primary_span] Span),
}
#[derive(Diagnostic)]
#[diag(parse_switch_ref_box_order)]
pub(crate) struct SwitchRefBoxOrder {
#[primary_span]
#[suggestion(applicability = "machine-applicable", style = "verbose", code = "box ref")]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_invalid_comparison_operator)]
pub(crate) struct InvalidComparisonOperator {
#[primary_span]
pub span: Span,
pub invalid: String,
#[subdiagnostic]
pub sub: InvalidComparisonOperatorSub,
}
#[derive(Subdiagnostic)]
pub(crate) enum InvalidComparisonOperatorSub {
#[suggestion(
parse_use_instead,
style = "verbose",
applicability = "machine-applicable",
code = "{correct}"
)]
Correctable {
#[primary_span]
span: Span,
invalid: String,
correct: String,
},
#[label(parse_spaceship_operator_invalid)]
Spaceship(#[primary_span] Span),
}
#[derive(Diagnostic)]
#[diag(parse_invalid_logical_operator)]
#[note]
pub(crate) struct InvalidLogicalOperator {
#[primary_span]
pub span: Span,
pub incorrect: String,
#[subdiagnostic]
pub sub: InvalidLogicalOperatorSub,
}
#[derive(Subdiagnostic)]
pub(crate) enum InvalidLogicalOperatorSub {
#[suggestion(
parse_use_amp_amp_for_conjunction,
style = "verbose",
applicability = "machine-applicable",
code = "&&"
)]
Conjunction(#[primary_span] Span),
#[suggestion(
parse_use_pipe_pipe_for_disjunction,
style = "verbose",
applicability = "machine-applicable",
code = "||"
)]
Disjunction(#[primary_span] Span),
}
#[derive(Diagnostic)]
#[diag(parse_tilde_is_not_unary_operator)]
pub(crate) struct TildeAsUnaryOperator(
#[primary_span]
#[suggestion(style = "verbose", applicability = "machine-applicable", code = "!")]
pub Span,
);
#[derive(Diagnostic)]
#[diag(parse_unexpected_token_after_not)]
pub(crate) struct NotAsNegationOperator {
#[primary_span]
pub negated: Span,
pub negated_desc: String,
#[subdiagnostic]
pub sub: NotAsNegationOperatorSub,
}
#[derive(Subdiagnostic)]
pub(crate) enum NotAsNegationOperatorSub {
#[suggestion(
parse_unexpected_token_after_not_default,
style = "verbose",
applicability = "machine-applicable",
code = "!"
)]
SuggestNotDefault(#[primary_span] Span),
#[suggestion(
parse_unexpected_token_after_not_bitwise,
style = "verbose",
applicability = "machine-applicable",
code = "!"
)]
SuggestNotBitwise(#[primary_span] Span),
#[suggestion(
parse_unexpected_token_after_not_logical,
style = "verbose",
applicability = "machine-applicable",
code = "!"
)]
SuggestNotLogical(#[primary_span] Span),
}
#[derive(Diagnostic)]
#[diag(parse_malformed_loop_label)]
pub(crate) struct MalformedLoopLabel {
#[primary_span]
pub span: Span,
#[suggestion(applicability = "machine-applicable", code = "'", style = "verbose")]
pub suggestion: Span,
}
#[derive(Diagnostic)]
#[diag(parse_lifetime_in_borrow_expression)]
pub(crate) struct LifetimeInBorrowExpression {
#[primary_span]
pub span: Span,
#[suggestion(applicability = "machine-applicable", code = "", style = "verbose")]
#[label]
pub lifetime_span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_field_expression_with_generic)]
pub(crate) struct FieldExpressionWithGeneric(#[primary_span] pub Span);
#[derive(Diagnostic)]
#[diag(parse_macro_invocation_with_qualified_path)]
pub(crate) struct MacroInvocationWithQualifiedPath(#[primary_span] pub Span);
#[derive(Diagnostic)]
#[diag(parse_unexpected_token_after_label)]
pub(crate) struct UnexpectedTokenAfterLabel {
#[primary_span]
#[label(parse_unexpected_token_after_label)]
pub span: Span,
#[suggestion(parse_suggestion_remove_label, style = "verbose", code = "")]
pub remove_label: Option<Span>,
#[subdiagnostic]
pub enclose_in_block: Option<UnexpectedTokenAfterLabelSugg>,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(parse_suggestion_enclose_in_block, applicability = "machine-applicable")]
pub(crate) struct UnexpectedTokenAfterLabelSugg {
#[suggestion_part(code = "{{ ")]
pub left: Span,
#[suggestion_part(code = " }}")]
pub right: Span,
}
#[derive(Diagnostic)]
#[diag(parse_require_colon_after_labeled_expression)]
#[note]
pub(crate) struct RequireColonAfterLabeledExpression {
#[primary_span]
pub span: Span,
#[label]
pub label: Span,
#[suggestion(style = "verbose", applicability = "machine-applicable", code = ": ")]
pub label_end: Span,
}
#[derive(Diagnostic)]
#[diag(parse_do_catch_syntax_removed)]
#[note]
pub(crate) struct DoCatchSyntaxRemoved {
#[primary_span]
#[suggestion(applicability = "machine-applicable", code = "try", style = "verbose")]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_float_literal_requires_integer_part)]
pub(crate) struct FloatLiteralRequiresIntegerPart {
#[primary_span]
pub span: Span,
#[suggestion(applicability = "machine-applicable", code = "0", style = "verbose")]
pub suggestion: Span,
}
#[derive(Diagnostic)]
#[diag(parse_missing_semicolon_before_array)]
pub(crate) struct MissingSemicolonBeforeArray {
#[primary_span]
pub open_delim: Span,
#[suggestion(style = "verbose", applicability = "maybe-incorrect", code = ";")]
pub semicolon: Span,
}
#[derive(Diagnostic)]
#[diag(parse_expect_dotdot_not_dotdotdot)]
pub(crate) struct MissingDotDot {
#[primary_span]
pub token_span: Span,
#[suggestion(applicability = "maybe-incorrect", code = "..", style = "verbose")]
pub sugg_span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_invalid_block_macro_segment)]
pub(crate) struct InvalidBlockMacroSegment {
#[primary_span]
pub span: Span,
#[label]
pub context: Span,
#[subdiagnostic]
pub wrap: WrapInExplicitBlock,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")]
pub(crate) struct WrapInExplicitBlock {
#[suggestion_part(code = "{{ ")]
pub lo: Span,
#[suggestion_part(code = " }}")]
pub hi: Span,
}
#[derive(Diagnostic)]
#[diag(parse_if_expression_missing_then_block)]
pub(crate) struct IfExpressionMissingThenBlock {
#[primary_span]
pub if_span: Span,
#[subdiagnostic]
pub missing_then_block_sub: IfExpressionMissingThenBlockSub,
#[subdiagnostic]
pub let_else_sub: Option<IfExpressionLetSomeSub>,
}
#[derive(Subdiagnostic)]
pub(crate) enum IfExpressionMissingThenBlockSub {
#[help(parse_condition_possibly_unfinished)]
UnfinishedCondition(#[primary_span] Span),
#[help(parse_add_then_block)]
AddThenBlock(#[primary_span] Span),
}
#[derive(Diagnostic)]
#[diag(parse_ternary_operator)]
#[help]
pub(crate) struct TernaryOperator {
#[primary_span]
pub span: Span,
}
#[derive(Subdiagnostic)]
#[suggestion(
parse_extra_if_in_let_else,
applicability = "maybe-incorrect",
code = "",
style = "verbose"
)]
pub(crate) struct IfExpressionLetSomeSub {
#[primary_span]
pub if_span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_if_expression_missing_condition)]
pub(crate) struct IfExpressionMissingCondition {
#[primary_span]
#[label(parse_condition_label)]
pub if_span: Span,
#[label(parse_block_label)]
pub block_span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_expected_expression_found_let)]
#[note]
pub(crate) struct ExpectedExpressionFoundLet {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub reason: ForbiddenLetReason,
#[subdiagnostic]
pub missing_let: Option<MaybeMissingLet>,
#[subdiagnostic]
pub comparison: Option<MaybeComparison>,
}
#[derive(Subdiagnostic, Clone, Copy)]
#[multipart_suggestion(
parse_maybe_missing_let,
applicability = "maybe-incorrect",
style = "verbose"
)]
pub(crate) struct MaybeMissingLet {
#[suggestion_part(code = "let ")]
pub span: Span,
}
#[derive(Subdiagnostic, Clone, Copy)]
#[multipart_suggestion(
parse_maybe_comparison,
applicability = "maybe-incorrect",
style = "verbose"
)]
pub(crate) struct MaybeComparison {
#[suggestion_part(code = "=")]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_expect_eq_instead_of_eqeq)]
pub(crate) struct ExpectedEqForLetExpr {
#[primary_span]
pub span: Span,
#[suggestion(applicability = "maybe-incorrect", code = "=", style = "verbose")]
pub sugg_span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_expected_else_block)]
pub(crate) struct ExpectedElseBlock {
#[primary_span]
pub first_tok_span: Span,
pub first_tok: String,
#[label]
pub else_span: Span,
#[suggestion(applicability = "maybe-incorrect", code = "if ", style = "verbose")]
pub condition_start: Span,
}
#[derive(Diagnostic)]
#[diag(parse_expected_struct_field)]
pub(crate) struct ExpectedStructField {
#[primary_span]
#[label]
pub span: Span,
pub token: Token,
#[label(parse_ident_label)]
pub ident_span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_outer_attribute_not_allowed_on_if_else)]
pub(crate) struct OuterAttributeNotAllowedOnIfElse {
#[primary_span]
pub last: Span,
#[label(parse_branch_label)]
pub branch_span: Span,
#[label(parse_ctx_label)]
pub ctx_span: Span,
pub ctx: String,
#[suggestion(applicability = "machine-applicable", code = "", style = "verbose")]
pub attributes: Span,
}
#[derive(Diagnostic)]
#[diag(parse_missing_in_in_for_loop)]
pub(crate) struct MissingInInForLoop {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub sub: MissingInInForLoopSub,
}
#[derive(Subdiagnostic)]
pub(crate) enum MissingInInForLoopSub {
// Has been misleading, at least in the past (closed Issue #48492), thus maybe-incorrect
#[suggestion(
parse_use_in_not_of,
style = "verbose",
applicability = "maybe-incorrect",
code = "in"
)]
InNotOf(#[primary_span] Span),
#[suggestion(parse_add_in, style = "verbose", applicability = "maybe-incorrect", code = " in ")]
AddIn(#[primary_span] Span),
}
#[derive(Diagnostic)]
#[diag(parse_missing_expression_in_for_loop)]
pub(crate) struct MissingExpressionInForLoop {
#[primary_span]
#[suggestion(
code = "/* expression */ ",
applicability = "has-placeholders",
style = "verbose"
)]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_loop_else)]
#[note]
pub(crate) struct LoopElseNotSupported {
#[primary_span]
pub span: Span,
pub loop_kind: &'static str,
#[label(parse_loop_keyword)]
pub loop_kw: Span,
}
#[derive(Diagnostic)]
#[diag(parse_missing_comma_after_match_arm)]
pub(crate) struct MissingCommaAfterMatchArm {
#[primary_span]
#[suggestion(applicability = "machine-applicable", code = ",", style = "verbose")]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_catch_after_try)]
#[help]
pub(crate) struct CatchAfterTry {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_comma_after_base_struct)]
#[note]
pub(crate) struct CommaAfterBaseStruct {
#[primary_span]
pub span: Span,
#[suggestion(style = "verbose", applicability = "machine-applicable", code = "")]
pub comma: Span,
}
#[derive(Diagnostic)]
#[diag(parse_eq_field_init)]
pub(crate) struct EqFieldInit {
#[primary_span]
pub span: Span,
#[suggestion(applicability = "machine-applicable", code = ":", style = "verbose")]
pub eq: Span,
}
#[derive(Diagnostic)]
#[diag(parse_dotdotdot)]
pub(crate) struct DotDotDot {
#[primary_span]
#[suggestion(
parse_suggest_exclusive_range,
applicability = "maybe-incorrect",
code = "..",
style = "verbose"
)]
#[suggestion(
parse_suggest_inclusive_range,
applicability = "maybe-incorrect",
code = "..=",
style = "verbose"
)]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_left_arrow_operator)]
pub(crate) struct LeftArrowOperator {
#[primary_span]
#[suggestion(applicability = "maybe-incorrect", code = "< -", style = "verbose")]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_remove_let)]
pub(crate) struct RemoveLet {
#[primary_span]
pub span: Span,
#[suggestion(applicability = "machine-applicable", code = "", style = "verbose")]
pub suggestion: Span,
}
#[derive(Diagnostic)]
#[diag(parse_use_eq_instead)]
pub(crate) struct UseEqInstead {
#[primary_span]
#[suggestion(style = "verbose", applicability = "machine-applicable", code = "=")]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_use_empty_block_not_semi)]
pub(crate) struct UseEmptyBlockNotSemi {
#[primary_span]
#[suggestion(style = "hidden", applicability = "machine-applicable", code = "{{}}")]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_comparison_interpreted_as_generic)]
pub(crate) struct ComparisonInterpretedAsGeneric {
#[primary_span]
#[label(parse_label_comparison)]
pub comparison: Span,
pub r#type: Path,
#[label(parse_label_args)]
pub args: Span,
#[subdiagnostic]
pub suggestion: ComparisonOrShiftInterpretedAsGenericSugg,
}
#[derive(Diagnostic)]
#[diag(parse_shift_interpreted_as_generic)]
pub(crate) struct ShiftInterpretedAsGeneric {
#[primary_span]
#[label(parse_label_comparison)]
pub shift: Span,
pub r#type: Path,
#[label(parse_label_args)]
pub args: Span,
#[subdiagnostic]
pub suggestion: ComparisonOrShiftInterpretedAsGenericSugg,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")]
pub(crate) struct ComparisonOrShiftInterpretedAsGenericSugg {
#[suggestion_part(code = "(")]
pub left: Span,
#[suggestion_part(code = ")")]
pub right: Span,
}
#[derive(Diagnostic)]
#[diag(parse_found_expr_would_be_stmt)]
pub(crate) struct FoundExprWouldBeStmt {
#[primary_span]
#[label]
pub span: Span,
pub token: Token,
#[subdiagnostic]
pub suggestion: ExprParenthesesNeeded,
}
#[derive(Diagnostic)]
#[diag(parse_leading_plus_not_supported)]
pub(crate) struct LeadingPlusNotSupported {
#[primary_span]
#[label]
pub span: Span,
#[suggestion(
parse_suggestion_remove_plus,
style = "verbose",
code = "",
applicability = "machine-applicable"
)]
pub remove_plus: Option<Span>,
#[subdiagnostic]
pub add_parentheses: Option<ExprParenthesesNeeded>,
}
#[derive(Diagnostic)]
#[diag(parse_parentheses_with_struct_fields)]
pub(crate) struct ParenthesesWithStructFields {
#[primary_span]
pub span: Span,
pub r#type: Path,
#[subdiagnostic]
pub braces_for_struct: BracesForStructLiteral,
#[subdiagnostic]
pub no_fields_for_fn: NoFieldsForFnCall,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(parse_suggestion_braces_for_struct, applicability = "maybe-incorrect")]
pub(crate) struct BracesForStructLiteral {
#[suggestion_part(code = " {{ ")]
pub first: Span,
#[suggestion_part(code = " }}")]
pub second: Span,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(parse_suggestion_no_fields_for_fn, applicability = "maybe-incorrect")]
pub(crate) struct NoFieldsForFnCall {
#[suggestion_part(code = "")]
pub fields: Vec<Span>,
}
#[derive(Diagnostic)]
#[diag(parse_labeled_loop_in_break)]
pub(crate) struct LabeledLoopInBreak {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub sub: WrapInParentheses,
}
#[derive(Subdiagnostic)]
pub(crate) enum WrapInParentheses {
#[multipart_suggestion(
parse_sugg_wrap_expression_in_parentheses,
applicability = "machine-applicable"
)]
Expression {
#[suggestion_part(code = "(")]
left: Span,
#[suggestion_part(code = ")")]
right: Span,
},
#[multipart_suggestion(
parse_sugg_wrap_macro_in_parentheses,
applicability = "machine-applicable"
)]
MacroArgs {
#[suggestion_part(code = "(")]
left: Span,
#[suggestion_part(code = ")")]
right: Span,
},
}
#[derive(Diagnostic)]
#[diag(parse_array_brackets_instead_of_braces)]
pub(crate) struct ArrayBracketsInsteadOfBraces {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub sub: ArrayBracketsInsteadOfBracesSugg,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(parse_suggestion, applicability = "maybe-incorrect")]
pub(crate) struct ArrayBracketsInsteadOfBracesSugg {
#[suggestion_part(code = "[")]
pub left: Span,
#[suggestion_part(code = "]")]
pub right: Span,
}
#[derive(Diagnostic)]
#[diag(parse_match_arm_body_without_braces)]
pub(crate) struct MatchArmBodyWithoutBraces {
#[primary_span]
#[label(parse_label_statements)]
pub statements: Span,
#[label(parse_label_arrow)]
pub arrow: Span,
pub num_statements: usize,
#[subdiagnostic]
pub sub: MatchArmBodyWithoutBracesSugg,
}
#[derive(Diagnostic)]
#[diag(parse_inclusive_range_extra_equals)]
#[note]
pub(crate) struct InclusiveRangeExtraEquals {
#[primary_span]
#[suggestion(
parse_suggestion_remove_eq,
style = "verbose",
code = "..=",
applicability = "maybe-incorrect"
)]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_inclusive_range_match_arrow)]
pub(crate) struct InclusiveRangeMatchArrow {
#[primary_span]
pub arrow: Span,
#[label]
pub span: Span,
#[suggestion(style = "verbose", code = " ", applicability = "machine-applicable")]
pub after_pat: Span,
}
#[derive(Diagnostic)]
#[diag(parse_inclusive_range_no_end, code = E0586)]
#[note]
pub(crate) struct InclusiveRangeNoEnd {
#[primary_span]
pub span: Span,
#[suggestion(
parse_suggestion_open_range,
code = "",
applicability = "machine-applicable",
style = "verbose"
)]
pub suggestion: Span,
}
#[derive(Subdiagnostic)]
pub(crate) enum MatchArmBodyWithoutBracesSugg {
#[multipart_suggestion(parse_suggestion_add_braces, applicability = "machine-applicable")]
AddBraces {
#[suggestion_part(code = "{{ ")]
left: Span,
#[suggestion_part(code = " }}")]
right: Span,
},
#[suggestion(
parse_suggestion_use_comma_not_semicolon,
code = ",",
applicability = "machine-applicable",
style = "verbose"
)]
UseComma {
#[primary_span]
semicolon: Span,
},
}
#[derive(Diagnostic)]
#[diag(parse_struct_literal_not_allowed_here)]
pub(crate) struct StructLiteralNotAllowedHere {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub sub: StructLiteralNotAllowedHereSugg,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")]
pub(crate) struct StructLiteralNotAllowedHereSugg {
#[suggestion_part(code = "(")]
pub left: Span,
#[suggestion_part(code = ")")]
pub right: Span,
}
#[derive(Diagnostic)]
#[diag(parse_invalid_literal_suffix_on_tuple_index)]
pub(crate) struct InvalidLiteralSuffixOnTupleIndex {
#[primary_span]
#[label]
pub span: Span,
pub suffix: Symbol,
#[help(parse_tuple_exception_line_1)]
#[help(parse_tuple_exception_line_2)]
#[help(parse_tuple_exception_line_3)]
pub exception: bool,
}
#[derive(Diagnostic)]
#[diag(parse_non_string_abi_literal)]
pub(crate) struct NonStringAbiLiteral {
#[primary_span]
#[suggestion(code = "\"C\"", applicability = "maybe-incorrect", style = "verbose")]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_mismatched_closing_delimiter)]
pub(crate) struct MismatchedClosingDelimiter {
#[primary_span]
pub spans: Vec<Span>,
pub delimiter: String,
#[label(parse_label_unmatched)]
pub unmatched: Span,
#[label(parse_label_opening_candidate)]
pub opening_candidate: Option<Span>,
#[label(parse_label_unclosed)]
pub unclosed: Option<Span>,
}
#[derive(Diagnostic)]
#[diag(parse_incorrect_visibility_restriction, code = E0704)]
#[help]
pub(crate) struct IncorrectVisibilityRestriction {
#[primary_span]
#[suggestion(code = "in {inner_str}", applicability = "machine-applicable", style = "verbose")]
pub span: Span,
pub inner_str: String,
}
#[derive(Diagnostic)]
#[diag(parse_assignment_else_not_allowed)]
pub(crate) struct AssignmentElseNotAllowed {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_expected_statement_after_outer_attr)]
pub(crate) struct ExpectedStatementAfterOuterAttr {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_doc_comment_does_not_document_anything, code = E0585)]
#[help]
pub(crate) struct DocCommentDoesNotDocumentAnything {
#[primary_span]
pub span: Span,
#[suggestion(code = ",", applicability = "machine-applicable", style = "verbose")]
pub missing_comma: Option<Span>,
}
#[derive(Diagnostic)]
#[diag(parse_const_let_mutually_exclusive)]
pub(crate) struct ConstLetMutuallyExclusive {
#[primary_span]
#[suggestion(code = "const", applicability = "maybe-incorrect", style = "verbose")]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_invalid_expression_in_let_else)]
pub(crate) struct InvalidExpressionInLetElse {
#[primary_span]
pub span: Span,
pub operator: &'static str,
#[subdiagnostic]
pub sugg: WrapInParentheses,
}
#[derive(Diagnostic)]
#[diag(parse_invalid_curly_in_let_else)]
pub(crate) struct InvalidCurlyInLetElse {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub sugg: WrapInParentheses,
}
#[derive(Diagnostic)]
#[diag(parse_compound_assignment_expression_in_let)]
#[help]
pub(crate) struct CompoundAssignmentExpressionInLet {
#[primary_span]
pub span: Span,
#[suggestion(style = "verbose", code = "", applicability = "maybe-incorrect")]
pub suggestion: Span,
}
#[derive(Diagnostic)]
#[diag(parse_suffixed_literal_in_attribute)]
#[help]
pub(crate) struct SuffixedLiteralInAttribute {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_invalid_meta_item)]
pub(crate) struct InvalidMetaItem {
#[primary_span]
pub span: Span,
pub descr: String,
#[subdiagnostic]
pub quote_ident_sugg: Option<InvalidMetaItemQuoteIdentSugg>,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(parse_quote_ident_sugg, applicability = "machine-applicable")]
pub(crate) struct InvalidMetaItemQuoteIdentSugg {
#[suggestion_part(code = "\"")]
pub before: Span,
#[suggestion_part(code = "\"")]
pub after: Span,
}
#[derive(Subdiagnostic)]
#[suggestion(
parse_sugg_escape_identifier,
style = "verbose",
applicability = "maybe-incorrect",
code = "r#"
)]
pub(crate) struct SuggEscapeIdentifier {
#[primary_span]
pub span: Span,
pub ident_name: String,
}
#[derive(Subdiagnostic)]
#[suggestion(
parse_sugg_remove_comma,
applicability = "machine-applicable",
code = "",
style = "verbose"
)]
pub(crate) struct SuggRemoveComma {
#[primary_span]
pub span: Span,
}
#[derive(Subdiagnostic)]
#[suggestion(
parse_sugg_add_let_for_stmt,
style = "verbose",
applicability = "maybe-incorrect",
code = "let "
)]
pub(crate) struct SuggAddMissingLetStmt {
#[primary_span]
pub span: Span,
}
#[derive(Subdiagnostic)]
pub(crate) enum ExpectedIdentifierFound {
#[label(parse_expected_identifier_found_reserved_identifier)]
ReservedIdentifier(#[primary_span] Span),
#[label(parse_expected_identifier_found_keyword)]
Keyword(#[primary_span] Span),
#[label(parse_expected_identifier_found_reserved_keyword)]
ReservedKeyword(#[primary_span] Span),
#[label(parse_expected_identifier_found_doc_comment)]
DocComment(#[primary_span] Span),
#[label(parse_expected_identifier_found_metavar)]
MetaVar(#[primary_span] Span),
#[label(parse_expected_identifier)]
Other(#[primary_span] Span),
}
impl ExpectedIdentifierFound {
pub(crate) fn new(token_descr: Option<TokenDescription>, span: Span) -> Self {
(match token_descr {
Some(TokenDescription::ReservedIdentifier) => {
ExpectedIdentifierFound::ReservedIdentifier
}
Some(TokenDescription::Keyword) => ExpectedIdentifierFound::Keyword,
Some(TokenDescription::ReservedKeyword) => ExpectedIdentifierFound::ReservedKeyword,
Some(TokenDescription::DocComment) => ExpectedIdentifierFound::DocComment,
Some(TokenDescription::MetaVar(_)) => ExpectedIdentifierFound::MetaVar,
None => ExpectedIdentifierFound::Other,
})(span)
}
}
pub(crate) struct ExpectedIdentifier {
pub span: Span,
pub token: Token,
pub suggest_raw: Option<SuggEscapeIdentifier>,
pub suggest_remove_comma: Option<SuggRemoveComma>,
pub help_cannot_start_number: Option<HelpIdentifierStartsWithNumber>,
}
impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for ExpectedIdentifier {
#[track_caller]
fn into_diag(self, dcx: DiagCtxtHandle<'a>, level: Level) -> Diag<'a, G> {
let token_descr = TokenDescription::from_token(&self.token);
let mut add_token = true;
let mut diag = Diag::new(
dcx,
level,
match token_descr {
Some(TokenDescription::ReservedIdentifier) => {
fluent::parse_expected_identifier_found_reserved_identifier_str
}
Some(TokenDescription::Keyword) => {
fluent::parse_expected_identifier_found_keyword_str
}
Some(TokenDescription::ReservedKeyword) => {
fluent::parse_expected_identifier_found_reserved_keyword_str
}
Some(TokenDescription::DocComment) => {
fluent::parse_expected_identifier_found_doc_comment_str
}
Some(TokenDescription::MetaVar(_)) => {
add_token = false;
fluent::parse_expected_identifier_found_metavar_str
}
None => fluent::parse_expected_identifier_found_str,
},
);
diag.span(self.span);
if add_token {
diag.arg("token", self.token);
}
if let Some(sugg) = self.suggest_raw {
sugg.add_to_diag(&mut diag);
}
ExpectedIdentifierFound::new(token_descr, self.span).add_to_diag(&mut diag);
if let Some(sugg) = self.suggest_remove_comma {
sugg.add_to_diag(&mut diag);
}
if let Some(help) = self.help_cannot_start_number {
help.add_to_diag(&mut diag);
}
diag
}
}
#[derive(Subdiagnostic)]
#[help(parse_invalid_identifier_with_leading_number)]
pub(crate) struct HelpIdentifierStartsWithNumber {
#[primary_span]
pub num_span: Span,
}
pub(crate) struct ExpectedSemi {
pub span: Span,
pub token: Token,
pub unexpected_token_label: Option<Span>,
pub sugg: ExpectedSemiSugg,
}
impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for ExpectedSemi {
#[track_caller]
fn into_diag(self, dcx: DiagCtxtHandle<'a>, level: Level) -> Diag<'a, G> {
let token_descr = TokenDescription::from_token(&self.token);
let mut add_token = true;
let mut diag = Diag::new(
dcx,
level,
match token_descr {
Some(TokenDescription::ReservedIdentifier) => {
fluent::parse_expected_semi_found_reserved_identifier_str
}
Some(TokenDescription::Keyword) => fluent::parse_expected_semi_found_keyword_str,
Some(TokenDescription::ReservedKeyword) => {
fluent::parse_expected_semi_found_reserved_keyword_str
}
Some(TokenDescription::DocComment) => {
fluent::parse_expected_semi_found_doc_comment_str
}
Some(TokenDescription::MetaVar(_)) => {
add_token = false;
fluent::parse_expected_semi_found_metavar_str
}
None => fluent::parse_expected_semi_found_str,
},
);
diag.span(self.span);
if add_token {
diag.arg("token", self.token);
}
if let Some(unexpected_token_label) = self.unexpected_token_label {
diag.span_label(unexpected_token_label, fluent::parse_label_unexpected_token);
}
self.sugg.add_to_diag(&mut diag);
diag
}
}
#[derive(Subdiagnostic)]
pub(crate) enum ExpectedSemiSugg {
#[suggestion(
parse_sugg_change_this_to_semi,
code = ";",
applicability = "machine-applicable",
style = "short"
)]
ChangeToSemi(#[primary_span] Span),
#[suggestion(
parse_sugg_add_semi,
code = ";",
applicability = "machine-applicable",
style = "short"
)]
AddSemi(#[primary_span] Span),
}
#[derive(Diagnostic)]
#[diag(parse_struct_literal_body_without_path)]
pub(crate) struct StructLiteralBodyWithoutPath {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub sugg: StructLiteralBodyWithoutPathSugg,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(parse_suggestion, applicability = "has-placeholders")]
pub(crate) struct StructLiteralBodyWithoutPathSugg {
#[suggestion_part(code = "{{ SomeStruct ")]
pub before: Span,
#[suggestion_part(code = " }}")]
pub after: Span,
}
#[derive(Diagnostic)]
#[diag(parse_unmatched_angle_brackets)]
pub(crate) struct UnmatchedAngleBrackets {
#[primary_span]
#[suggestion(code = "", applicability = "machine-applicable", style = "verbose")]
pub span: Span,
pub num_extra_brackets: usize,
}
#[derive(Diagnostic)]
#[diag(parse_generic_parameters_without_angle_brackets)]
pub(crate) struct GenericParamsWithoutAngleBrackets {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub sugg: GenericParamsWithoutAngleBracketsSugg,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")]
pub(crate) struct GenericParamsWithoutAngleBracketsSugg {
#[suggestion_part(code = "<")]
pub left: Span,
#[suggestion_part(code = ">")]
pub right: Span,
}
#[derive(Diagnostic)]
#[diag(parse_comparison_operators_cannot_be_chained)]
pub(crate) struct ComparisonOperatorsCannotBeChained {
#[primary_span]
pub span: Vec<Span>,
#[suggestion(
parse_sugg_turbofish_syntax,
style = "verbose",
code = "::",
applicability = "maybe-incorrect"
)]
pub suggest_turbofish: Option<Span>,
#[help(parse_sugg_turbofish_syntax)]
#[help(parse_sugg_parentheses_for_function_args)]
pub help_turbofish: bool,
#[subdiagnostic]
pub chaining_sugg: Option<ComparisonOperatorsCannotBeChainedSugg>,
}
#[derive(Subdiagnostic)]
pub(crate) enum ComparisonOperatorsCannotBeChainedSugg {
#[suggestion(
parse_sugg_split_comparison,
style = "verbose",
code = " && {middle_term}",
applicability = "maybe-incorrect"
)]
SplitComparison {
#[primary_span]
span: Span,
middle_term: String,
},
#[multipart_suggestion(parse_sugg_parenthesize, applicability = "maybe-incorrect")]
Parenthesize {
#[suggestion_part(code = "(")]
left: Span,
#[suggestion_part(code = ")")]
right: Span,
},
}
#[derive(Diagnostic)]
#[diag(parse_question_mark_in_type)]
pub(crate) struct QuestionMarkInType {
#[primary_span]
#[label]
pub span: Span,
#[subdiagnostic]
pub sugg: QuestionMarkInTypeSugg,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")]
pub(crate) struct QuestionMarkInTypeSugg {
#[suggestion_part(code = "Option<")]
pub left: Span,
#[suggestion_part(code = ">")]
pub right: Span,
}
#[derive(Diagnostic)]
#[diag(parse_unexpected_parentheses_in_for_head)]
pub(crate) struct ParenthesesInForHead {
#[primary_span]
pub span: Vec<Span>,
#[subdiagnostic]
pub sugg: ParenthesesInForHeadSugg,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")]
pub(crate) struct ParenthesesInForHeadSugg {
#[suggestion_part(code = " ")]
pub left: Span,
#[suggestion_part(code = " ")]
pub right: Span,
}
#[derive(Diagnostic)]
#[diag(parse_unexpected_parentheses_in_match_arm_pattern)]
pub(crate) struct ParenthesesInMatchPat {
#[primary_span]
pub span: Vec<Span>,
#[subdiagnostic]
pub sugg: ParenthesesInMatchPatSugg,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")]
pub(crate) struct ParenthesesInMatchPatSugg {
#[suggestion_part(code = "")]
pub left: Span,
#[suggestion_part(code = "")]
pub right: Span,
}
#[derive(Diagnostic)]
#[diag(parse_doc_comment_on_param_type)]
pub(crate) struct DocCommentOnParamType {
#[primary_span]
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_attribute_on_param_type)]
pub(crate) struct AttributeOnParamType {
#[primary_span]
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_pattern_method_param_without_body, code = E0642)]
pub(crate) struct PatternMethodParamWithoutBody {
#[primary_span]
#[suggestion(code = "_", applicability = "machine-applicable", style = "verbose")]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_self_param_not_first)]
pub(crate) struct SelfParamNotFirst {
#[primary_span]
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_const_generic_without_braces)]
pub(crate) struct ConstGenericWithoutBraces {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub sugg: ConstGenericWithoutBracesSugg,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")]
pub(crate) struct ConstGenericWithoutBracesSugg {
#[suggestion_part(code = "{{ ")]
pub left: Span,
#[suggestion_part(code = " }}")]
pub right: Span,
}
#[derive(Diagnostic)]
#[diag(parse_unexpected_const_param_declaration)]
pub(crate) struct UnexpectedConstParamDeclaration {
#[primary_span]
#[label]
pub span: Span,
#[subdiagnostic]
pub sugg: Option<UnexpectedConstParamDeclarationSugg>,
}
#[derive(Subdiagnostic)]
pub(crate) enum UnexpectedConstParamDeclarationSugg {
#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")]
AddParam {
#[suggestion_part(code = "<{snippet}>")]
impl_generics: Span,
#[suggestion_part(code = "{ident}")]
incorrect_decl: Span,
snippet: String,
ident: String,
},
#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")]
AppendParam {
#[suggestion_part(code = ", {snippet}")]
impl_generics_end: Span,
#[suggestion_part(code = "{ident}")]
incorrect_decl: Span,
snippet: String,
ident: String,
},
}
#[derive(Diagnostic)]
#[diag(parse_unexpected_const_in_generic_param)]
pub(crate) struct UnexpectedConstInGenericParam {
#[primary_span]
pub span: Span,
#[suggestion(style = "verbose", code = "", applicability = "maybe-incorrect")]
pub to_remove: Option<Span>,
}
#[derive(Diagnostic)]
#[diag(parse_async_move_order_incorrect)]
pub(crate) struct AsyncMoveOrderIncorrect {
#[primary_span]
#[suggestion(style = "verbose", code = "async move", applicability = "maybe-incorrect")]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_async_use_order_incorrect)]
pub(crate) struct AsyncUseOrderIncorrect {
#[primary_span]
#[suggestion(style = "verbose", code = "async use", applicability = "maybe-incorrect")]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_double_colon_in_bound)]
pub(crate) struct DoubleColonInBound {
#[primary_span]
pub span: Span,
#[suggestion(code = ": ", applicability = "machine-applicable", style = "verbose")]
pub between: Span,
}
#[derive(Diagnostic)]
#[diag(parse_fn_ptr_with_generics)]
pub(crate) struct FnPtrWithGenerics {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub sugg: Option<FnPtrWithGenericsSugg>,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(
parse_misplaced_return_type,
style = "verbose",
applicability = "maybe-incorrect"
)]
pub(crate) struct MisplacedReturnType {
#[suggestion_part(code = " {snippet}")]
pub fn_params_end: Span,
pub snippet: String,
#[suggestion_part(code = "")]
pub ret_ty_span: Span,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(parse_suggestion, applicability = "maybe-incorrect")]
pub(crate) struct FnPtrWithGenericsSugg {
#[suggestion_part(code = "{snippet}")]
pub left: Span,
pub snippet: String,
#[suggestion_part(code = "")]
pub right: Span,
pub arity: usize,
pub for_param_list_exists: bool,
}
pub(crate) struct FnTraitMissingParen {
pub span: Span,
}
impl Subdiagnostic for FnTraitMissingParen {
fn add_to_diag<G: EmissionGuarantee>(self, diag: &mut Diag<'_, G>) {
diag.span_label(self.span, crate::fluent_generated::parse_fn_trait_missing_paren);
diag.span_suggestion_short(
self.span.shrink_to_hi(),
crate::fluent_generated::parse_add_paren,
"()",
Applicability::MachineApplicable,
);
}
}
#[derive(Diagnostic)]
#[diag(parse_unexpected_if_with_if)]
pub(crate) struct UnexpectedIfWithIf(
#[primary_span]
#[suggestion(applicability = "machine-applicable", code = " ", style = "verbose")]
pub Span,
);
#[derive(Diagnostic)]
#[diag(parse_maybe_fn_typo_with_impl)]
pub(crate) struct FnTypoWithImpl {
#[primary_span]
#[suggestion(applicability = "maybe-incorrect", code = "impl", style = "verbose")]
pub fn_span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_expected_fn_path_found_fn_keyword)]
pub(crate) struct ExpectedFnPathFoundFnKeyword {
#[primary_span]
#[suggestion(applicability = "machine-applicable", code = "Fn", style = "verbose")]
pub fn_token_span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_path_double_colon)]
pub(crate) struct PathSingleColon {
#[primary_span]
pub span: Span,
#[suggestion(applicability = "machine-applicable", code = ":", style = "verbose")]
pub suggestion: Span,
}
#[derive(Diagnostic)]
#[diag(parse_path_double_colon)]
pub(crate) struct PathTripleColon {
#[primary_span]
#[suggestion(applicability = "maybe-incorrect", code = "", style = "verbose")]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_colon_as_semi)]
pub(crate) struct ColonAsSemi {
#[primary_span]
#[suggestion(applicability = "machine-applicable", code = ";", style = "verbose")]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_where_clause_before_tuple_struct_body)]
pub(crate) struct WhereClauseBeforeTupleStructBody {
#[primary_span]
#[label]
pub span: Span,
#[label(parse_name_label)]
pub name: Span,
#[label(parse_body_label)]
pub body: Span,
#[subdiagnostic]
pub sugg: Option<WhereClauseBeforeTupleStructBodySugg>,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")]
pub(crate) struct WhereClauseBeforeTupleStructBodySugg {
#[suggestion_part(code = "{snippet}")]
pub left: Span,
pub snippet: String,
#[suggestion_part(code = "")]
pub right: Span,
}
#[derive(Diagnostic)]
#[diag(parse_async_fn_in_2015, code = E0670)]
pub(crate) struct AsyncFnIn2015 {
#[primary_span]
#[label]
pub span: Span,
#[subdiagnostic]
pub help: HelpUseLatestEdition,
}
#[derive(Subdiagnostic)]
#[label(parse_async_block_in_2015)]
pub(crate) struct AsyncBlockIn2015 {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_async_move_block_in_2015)]
pub(crate) struct AsyncMoveBlockIn2015 {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_async_use_block_in_2015)]
pub(crate) struct AsyncUseBlockIn2015 {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_async_bound_modifier_in_2015)]
pub(crate) struct AsyncBoundModifierIn2015 {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub help: HelpUseLatestEdition,
}
#[derive(Diagnostic)]
#[diag(parse_self_argument_pointer)]
pub(crate) struct SelfArgumentPointer {
#[primary_span]
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_unexpected_token_after_dot)]
pub(crate) struct UnexpectedTokenAfterDot {
#[primary_span]
pub span: Span,
pub actual: String,
}
#[derive(Diagnostic)]
#[diag(parse_visibility_not_followed_by_item)]
#[help]
pub(crate) struct VisibilityNotFollowedByItem {
#[primary_span]
#[label]
pub span: Span,
pub vis: Visibility,
}
#[derive(Diagnostic)]
#[diag(parse_default_not_followed_by_item)]
#[note]
pub(crate) struct DefaultNotFollowedByItem {
#[primary_span]
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
pub(crate) enum MissingKeywordForItemDefinition {
#[diag(parse_missing_enum_for_enum_definition)]
Enum {
#[primary_span]
span: Span,
#[suggestion(style = "verbose", applicability = "maybe-incorrect", code = "enum ")]
insert_span: Span,
ident: Ident,
},
#[diag(parse_missing_enum_or_struct_for_item_definition)]
EnumOrStruct {
#[primary_span]
span: Span,
},
#[diag(parse_missing_struct_for_struct_definition)]
Struct {
#[primary_span]
span: Span,
#[suggestion(style = "verbose", applicability = "maybe-incorrect", code = "struct ")]
insert_span: Span,
ident: Ident,
},
#[diag(parse_missing_fn_for_function_definition)]
Function {
#[primary_span]
span: Span,
#[suggestion(style = "verbose", applicability = "maybe-incorrect", code = "fn ")]
insert_span: Span,
ident: Ident,
},
#[diag(parse_missing_fn_for_method_definition)]
Method {
#[primary_span]
span: Span,
#[suggestion(style = "verbose", applicability = "maybe-incorrect", code = "fn ")]
insert_span: Span,
ident: Ident,
},
#[diag(parse_missing_fn_or_struct_for_item_definition)]
Ambiguous {
#[primary_span]
span: Span,
#[subdiagnostic]
subdiag: Option<AmbiguousMissingKwForItemSub>,
},
}
#[derive(Subdiagnostic)]
pub(crate) enum AmbiguousMissingKwForItemSub {
#[suggestion(
parse_suggestion,
applicability = "maybe-incorrect",
code = "{snippet}!",
style = "verbose"
)]
SuggestMacro {
#[primary_span]
span: Span,
snippet: String,
},
#[help(parse_help)]
HelpMacro,
}
#[derive(Diagnostic)]
#[diag(parse_missing_fn_params)]
pub(crate) struct MissingFnParams {
#[primary_span]
#[suggestion(code = "()", applicability = "machine-applicable", style = "verbose")]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_invalid_path_sep_in_fn_definition)]
pub(crate) struct InvalidPathSepInFnDefinition {
#[primary_span]
#[suggestion(code = "", applicability = "machine-applicable", style = "verbose")]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_missing_trait_in_trait_impl)]
pub(crate) struct MissingTraitInTraitImpl {
#[primary_span]
#[suggestion(
parse_suggestion_add_trait,
code = " Trait ",
applicability = "has-placeholders",
style = "verbose"
)]
pub span: Span,
#[suggestion(
parse_suggestion_remove_for,
code = "",
applicability = "maybe-incorrect",
style = "verbose"
)]
pub for_span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_missing_for_in_trait_impl)]
pub(crate) struct MissingForInTraitImpl {
#[primary_span]
#[suggestion(style = "verbose", code = " for ", applicability = "machine-applicable")]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_expected_trait_in_trait_impl_found_type)]
pub(crate) struct ExpectedTraitInTraitImplFoundType {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_extra_impl_keyword_in_trait_impl)]
pub(crate) struct ExtraImplKeywordInTraitImpl {
#[primary_span]
#[suggestion(code = "", applicability = "maybe-incorrect", style = "short")]
pub extra_impl_kw: Span,
#[note]
pub impl_trait_span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_bounds_not_allowed_on_trait_aliases)]
pub(crate) struct BoundsNotAllowedOnTraitAliases {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_trait_alias_cannot_be_auto)]
pub(crate) struct TraitAliasCannotBeAuto {
#[primary_span]
#[label(parse_trait_alias_cannot_be_auto)]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_trait_alias_cannot_be_unsafe)]
pub(crate) struct TraitAliasCannotBeUnsafe {
#[primary_span]
#[label(parse_trait_alias_cannot_be_unsafe)]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_associated_static_item_not_allowed)]
pub(crate) struct AssociatedStaticItemNotAllowed {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_extern_crate_name_with_dashes)]
pub(crate) struct ExternCrateNameWithDashes {
#[primary_span]
#[label]
pub span: Span,
#[subdiagnostic]
pub sugg: ExternCrateNameWithDashesSugg,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")]
pub(crate) struct ExternCrateNameWithDashesSugg {
#[suggestion_part(code = "_")]
pub dashes: Vec<Span>,
}
#[derive(Diagnostic)]
#[diag(parse_extern_item_cannot_be_const)]
#[note]
pub(crate) struct ExternItemCannotBeConst {
#[primary_span]
pub ident_span: Span,
#[suggestion(code = "static ", applicability = "machine-applicable", style = "verbose")]
pub const_span: Option<Span>,
}
#[derive(Diagnostic)]
#[diag(parse_const_global_cannot_be_mutable)]
pub(crate) struct ConstGlobalCannotBeMutable {
#[primary_span]
#[label]
pub ident_span: Span,
#[suggestion(code = "static", style = "verbose", applicability = "maybe-incorrect")]
pub const_span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_missing_const_type)]
pub(crate) struct MissingConstType {
#[primary_span]
#[suggestion(code = "{colon} <type>", style = "verbose", applicability = "has-placeholders")]
pub span: Span,
pub kind: &'static str,
pub colon: &'static str,
}
#[derive(Diagnostic)]
#[diag(parse_enum_struct_mutually_exclusive)]
pub(crate) struct EnumStructMutuallyExclusive {
#[primary_span]
#[suggestion(code = "enum", style = "verbose", applicability = "machine-applicable")]
pub span: Span,
}
#[derive(Diagnostic)]
pub(crate) enum UnexpectedTokenAfterStructName {
#[diag(parse_unexpected_token_after_struct_name_found_reserved_identifier)]
ReservedIdentifier {
#[primary_span]
#[label(parse_unexpected_token_after_struct_name)]
span: Span,
token: Token,
},
#[diag(parse_unexpected_token_after_struct_name_found_keyword)]
Keyword {
#[primary_span]
#[label(parse_unexpected_token_after_struct_name)]
span: Span,
token: Token,
},
#[diag(parse_unexpected_token_after_struct_name_found_reserved_keyword)]
ReservedKeyword {
#[primary_span]
#[label(parse_unexpected_token_after_struct_name)]
span: Span,
token: Token,
},
#[diag(parse_unexpected_token_after_struct_name_found_doc_comment)]
DocComment {
#[primary_span]
#[label(parse_unexpected_token_after_struct_name)]
span: Span,
token: Token,
},
#[diag(parse_unexpected_token_after_struct_name_found_metavar)]
MetaVar {
#[primary_span]
#[label(parse_unexpected_token_after_struct_name)]
span: Span,
},
#[diag(parse_unexpected_token_after_struct_name_found_other)]
Other {
#[primary_span]
#[label(parse_unexpected_token_after_struct_name)]
span: Span,
token: Token,
},
}
impl UnexpectedTokenAfterStructName {
pub(crate) fn new(span: Span, token: Token) -> Self {
match TokenDescription::from_token(&token) {
Some(TokenDescription::ReservedIdentifier) => Self::ReservedIdentifier { span, token },
Some(TokenDescription::Keyword) => Self::Keyword { span, token },
Some(TokenDescription::ReservedKeyword) => Self::ReservedKeyword { span, token },
Some(TokenDescription::DocComment) => Self::DocComment { span, token },
Some(TokenDescription::MetaVar(_)) => Self::MetaVar { span },
None => Self::Other { span, token },
}
}
}
#[derive(Diagnostic)]
#[diag(parse_unexpected_self_in_generic_parameters)]
#[note]
pub(crate) struct UnexpectedSelfInGenericParameters {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_unexpected_default_value_for_lifetime_in_generic_parameters)]
pub(crate) struct UnexpectedDefaultValueForLifetimeInGenericParameters {
#[primary_span]
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_multiple_where_clauses)]
pub(crate) struct MultipleWhereClauses {
#[primary_span]
pub span: Span,
#[label]
pub previous: Span,
#[suggestion(style = "verbose", code = ",", applicability = "maybe-incorrect")]
pub between: Span,
}
#[derive(Diagnostic)]
pub(crate) enum UnexpectedNonterminal {
#[diag(parse_nonterminal_expected_item_keyword)]
Item(#[primary_span] Span),
#[diag(parse_nonterminal_expected_statement)]
Statement(#[primary_span] Span),
#[diag(parse_nonterminal_expected_ident)]
Ident {
#[primary_span]
span: Span,
token: Token,
},
#[diag(parse_nonterminal_expected_lifetime)]
Lifetime {
#[primary_span]
span: Span,
token: Token,
},
}
#[derive(Diagnostic)]
pub(crate) enum TopLevelOrPatternNotAllowed {
#[diag(parse_or_pattern_not_allowed_in_let_binding)]
LetBinding {
#[primary_span]
span: Span,
#[subdiagnostic]
sub: Option<TopLevelOrPatternNotAllowedSugg>,
},
#[diag(parse_or_pattern_not_allowed_in_fn_parameters)]
FunctionParameter {
#[primary_span]
span: Span,
#[subdiagnostic]
sub: Option<TopLevelOrPatternNotAllowedSugg>,
},
}
#[derive(Diagnostic)]
#[diag(parse_cannot_be_raw_ident)]
pub(crate) struct CannotBeRawIdent {
#[primary_span]
pub span: Span,
pub ident: Symbol,
}
#[derive(Diagnostic)]
#[diag(parse_cannot_be_raw_lifetime)]
pub(crate) struct CannotBeRawLifetime {
#[primary_span]
pub span: Span,
pub ident: Symbol,
}
#[derive(Diagnostic)]
#[diag(parse_keyword_lifetime)]
pub(crate) struct KeywordLifetime {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_invalid_label)]
pub(crate) struct InvalidLabel {
#[primary_span]
pub span: Span,
pub name: Symbol,
}
#[derive(Diagnostic)]
#[diag(parse_cr_doc_comment)]
pub(crate) struct CrDocComment {
#[primary_span]
pub span: Span,
pub block: bool,
}
#[derive(Diagnostic)]
#[diag(parse_no_digits_literal, code = E0768)]
pub(crate) struct NoDigitsLiteral {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_invalid_digit_literal)]
pub(crate) struct InvalidDigitLiteral {
#[primary_span]
pub span: Span,
pub base: u32,
}
#[derive(Diagnostic)]
#[diag(parse_empty_exponent_float)]
pub(crate) struct EmptyExponentFloat {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_float_literal_unsupported_base)]
pub(crate) struct FloatLiteralUnsupportedBase {
#[primary_span]
pub span: Span,
pub base: &'static str,
}
#[derive(Diagnostic)]
#[diag(parse_unknown_prefix)]
#[note]
pub(crate) struct UnknownPrefix<'a> {
#[primary_span]
#[label]
pub span: Span,
pub prefix: &'a str,
#[subdiagnostic]
pub sugg: Option<UnknownPrefixSugg>,
}
#[derive(Subdiagnostic)]
#[note(parse_macro_expands_to_adt_field)]
pub(crate) struct MacroExpandsToAdtField<'a> {
pub adt_ty: &'a str,
}
#[derive(Subdiagnostic)]
pub(crate) enum UnknownPrefixSugg {
#[suggestion(
parse_suggestion_br,
code = "br",
applicability = "maybe-incorrect",
style = "verbose"
)]
UseBr(#[primary_span] Span),
#[suggestion(
parse_suggestion_whitespace,
code = " ",
applicability = "maybe-incorrect",
style = "verbose"
)]
Whitespace(#[primary_span] Span),
#[multipart_suggestion(
parse_suggestion_str,
applicability = "maybe-incorrect",
style = "verbose"
)]
MeantStr {
#[suggestion_part(code = "\"")]
start: Span,
#[suggestion_part(code = "\"")]
end: Span,
},
}
#[derive(Diagnostic)]
#[diag(parse_reserved_multihash)]
#[note]
pub(crate) struct ReservedMultihash {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub sugg: Option<GuardedStringSugg>,
}
#[derive(Diagnostic)]
#[diag(parse_reserved_string)]
#[note]
pub(crate) struct ReservedString {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub sugg: Option<GuardedStringSugg>,
}
#[derive(Subdiagnostic)]
#[suggestion(
parse_suggestion_whitespace,
code = " ",
applicability = "maybe-incorrect",
style = "verbose"
)]
pub(crate) struct GuardedStringSugg(#[primary_span] pub Span);
#[derive(Diagnostic)]
#[diag(parse_too_many_hashes)]
pub(crate) struct TooManyHashes {
#[primary_span]
pub span: Span,
pub num: u32,
}
#[derive(Diagnostic)]
#[diag(parse_unknown_start_of_token)]
pub(crate) struct UnknownTokenStart {
#[primary_span]
pub span: Span,
pub escaped: String,
#[subdiagnostic]
pub sugg: Option<TokenSubstitution>,
#[subdiagnostic]
pub null: Option<UnknownTokenNull>,
#[subdiagnostic]
pub repeat: Option<UnknownTokenRepeat>,
}
#[derive(Subdiagnostic)]
pub(crate) enum TokenSubstitution {
#[suggestion(
parse_sugg_quotes,
code = "{suggestion}",
applicability = "maybe-incorrect",
style = "verbose"
)]
DirectedQuotes {
#[primary_span]
span: Span,
suggestion: String,
ascii_str: &'static str,
ascii_name: &'static str,
},
#[suggestion(
parse_sugg_other,
code = "{suggestion}",
applicability = "maybe-incorrect",
style = "verbose"
)]
Other {
#[primary_span]
span: Span,
suggestion: String,
ch: String,
u_name: &'static str,
ascii_str: &'static str,
ascii_name: &'static str,
},
}
#[derive(Subdiagnostic)]
#[note(parse_note_repeats)]
pub(crate) struct UnknownTokenRepeat {
pub repeats: usize,
}
#[derive(Subdiagnostic)]
#[help(parse_help_null)]
pub(crate) struct UnknownTokenNull;
#[derive(Diagnostic)]
pub(crate) enum UnescapeError {
#[diag(parse_invalid_unicode_escape)]
#[help]
InvalidUnicodeEscape {
#[primary_span]
#[label]
span: Span,
surrogate: bool,
},
#[diag(parse_escape_only_char)]
EscapeOnlyChar {
#[primary_span]
span: Span,
#[suggestion(
parse_escape,
applicability = "machine-applicable",
code = "{escaped_sugg}",
style = "verbose"
)]
char_span: Span,
escaped_sugg: String,
escaped_msg: String,
byte: bool,
},
#[diag(parse_bare_cr)]
BareCr {
#[primary_span]
#[suggestion(
parse_escape,
applicability = "machine-applicable",
code = "\\r",
style = "verbose"
)]
span: Span,
double_quotes: bool,
},
#[diag(parse_bare_cr_in_raw_string)]
BareCrRawString(#[primary_span] Span),
#[diag(parse_too_short_hex_escape)]
TooShortHexEscape(#[primary_span] Span),
#[diag(parse_invalid_char_in_escape)]
InvalidCharInEscape {
#[primary_span]
#[label]
span: Span,
is_hex: bool,
ch: String,
},
#[diag(parse_out_of_range_hex_escape)]
OutOfRangeHexEscape(
#[primary_span]
#[label]
Span,
),
#[diag(parse_leading_underscore_unicode_escape)]
LeadingUnderscoreUnicodeEscape {
#[primary_span]
#[label(parse_leading_underscore_unicode_escape_label)]
span: Span,
ch: String,
},
#[diag(parse_overlong_unicode_escape)]
OverlongUnicodeEscape(
#[primary_span]
#[label]
Span,
),
#[diag(parse_unclosed_unicode_escape)]
UnclosedUnicodeEscape(
#[primary_span]
#[label]
Span,
#[suggestion(
parse_terminate,
code = "}}",
applicability = "maybe-incorrect",
style = "verbose"
)]
Span,
),
#[diag(parse_no_brace_unicode_escape)]
NoBraceInUnicodeEscape {
#[primary_span]
span: Span,
#[label]
label: Option<Span>,
#[subdiagnostic]
sub: NoBraceUnicodeSub,
},
#[diag(parse_unicode_escape_in_byte)]
#[help]
UnicodeEscapeInByte(
#[primary_span]
#[label]
Span,
),
#[diag(parse_empty_unicode_escape)]
EmptyUnicodeEscape(
#[primary_span]
#[label]
Span,
),
#[diag(parse_zero_chars)]
ZeroChars(
#[primary_span]
#[label]
Span,
),
#[diag(parse_lone_slash)]
LoneSlash(
#[primary_span]
#[label]
Span,
),
#[diag(parse_unskipped_whitespace)]
UnskippedWhitespace {
#[primary_span]
span: Span,
#[label]
char_span: Span,
ch: String,
},
#[diag(parse_multiple_skipped_lines)]
MultipleSkippedLinesWarning(
#[primary_span]
#[label]
Span,
),
#[diag(parse_more_than_one_char)]
MoreThanOneChar {
#[primary_span]
span: Span,
#[subdiagnostic]
note: Option<MoreThanOneCharNote>,
#[subdiagnostic]
suggestion: MoreThanOneCharSugg,
},
#[diag(parse_nul_in_c_str)]
NulInCStr {
#[primary_span]
span: Span,
},
}
#[derive(Subdiagnostic)]
pub(crate) enum MoreThanOneCharSugg {
#[suggestion(
parse_consider_normalized,
code = "{normalized}",
applicability = "machine-applicable",
style = "verbose"
)]
NormalizedForm {
#[primary_span]
span: Span,
ch: String,
normalized: String,
},
#[suggestion(
parse_remove_non,
code = "{ch}",
applicability = "maybe-incorrect",
style = "verbose"
)]
RemoveNonPrinting {
#[primary_span]
span: Span,
ch: String,
},
#[suggestion(
parse_use_double_quotes,
code = "{sugg}",
applicability = "machine-applicable",
style = "verbose"
)]
QuotesFull {
#[primary_span]
span: Span,
is_byte: bool,
sugg: String,
},
#[multipart_suggestion(parse_use_double_quotes, applicability = "machine-applicable")]
Quotes {
#[suggestion_part(code = "{prefix}\"")]
start: Span,
#[suggestion_part(code = "\"")]
end: Span,
is_byte: bool,
prefix: &'static str,
},
}
#[derive(Subdiagnostic)]
pub(crate) enum MoreThanOneCharNote {
#[note(parse_followed_by)]
AllCombining {
#[primary_span]
span: Span,
chr: String,
len: usize,
escaped_marks: String,
},
#[note(parse_non_printing)]
NonPrinting {
#[primary_span]
span: Span,
escaped: String,
},
}
#[derive(Subdiagnostic)]
pub(crate) enum NoBraceUnicodeSub {
#[suggestion(
parse_use_braces,
code = "{suggestion}",
applicability = "maybe-incorrect",
style = "verbose"
)]
Suggestion {
#[primary_span]
span: Span,
suggestion: String,
},
#[help(parse_format_of_unicode)]
Help,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(parse_sugg_wrap_pattern_in_parens, applicability = "machine-applicable")]
pub(crate) struct WrapInParens {
#[suggestion_part(code = "(")]
pub(crate) lo: Span,
#[suggestion_part(code = ")")]
pub(crate) hi: Span,
}
#[derive(Subdiagnostic)]
pub(crate) enum TopLevelOrPatternNotAllowedSugg {
#[suggestion(
parse_sugg_remove_leading_vert_in_pattern,
code = "",
applicability = "machine-applicable",
style = "verbose"
)]
RemoveLeadingVert {
#[primary_span]
span: Span,
},
WrapInParens {
#[primary_span]
span: Span,
#[subdiagnostic]
suggestion: WrapInParens,
},
}
#[derive(Diagnostic)]
#[diag(parse_unexpected_vert_vert_before_function_parameter)]
#[note(parse_note_pattern_alternatives_use_single_vert)]
pub(crate) struct UnexpectedVertVertBeforeFunctionParam {
#[primary_span]
#[suggestion(code = "", applicability = "machine-applicable", style = "verbose")]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_unexpected_vert_vert_in_pattern)]
pub(crate) struct UnexpectedVertVertInPattern {
#[primary_span]
#[suggestion(code = "|", applicability = "machine-applicable", style = "verbose")]
pub span: Span,
#[label(parse_label_while_parsing_or_pattern_here)]
pub start: Option<Span>,
}
#[derive(Diagnostic)]
#[diag(parse_trailing_vert_not_allowed)]
pub(crate) struct TrailingVertNotAllowed {
#[primary_span]
#[suggestion(code = "", applicability = "machine-applicable", style = "verbose")]
pub span: Span,
#[label(parse_label_while_parsing_or_pattern_here)]
pub start: Option<Span>,
pub token: Token,
#[note(parse_note_pattern_alternatives_use_single_vert)]
pub note_double_vert: bool,
}
#[derive(Diagnostic)]
#[diag(parse_dotdotdot_rest_pattern)]
pub(crate) struct DotDotDotRestPattern {
#[primary_span]
#[label]
pub span: Span,
#[suggestion(style = "verbose", code = "", applicability = "machine-applicable")]
pub suggestion: Span,
}
#[derive(Diagnostic)]
#[diag(parse_pattern_on_wrong_side_of_at)]
pub(crate) struct PatternOnWrongSideOfAt {
#[primary_span]
#[suggestion(code = "{whole_pat}", applicability = "machine-applicable", style = "verbose")]
pub whole_span: Span,
pub whole_pat: String,
#[label(parse_label_pattern)]
pub pattern: Span,
#[label(parse_label_binding)]
pub binding: Span,
}
#[derive(Diagnostic)]
#[diag(parse_expected_binding_left_of_at)]
#[note]
pub(crate) struct ExpectedBindingLeftOfAt {
#[primary_span]
pub whole_span: Span,
#[label(parse_label_lhs)]
pub lhs: Span,
#[label(parse_label_rhs)]
pub rhs: Span,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(
parse_ambiguous_range_pattern_suggestion,
applicability = "machine-applicable"
)]
pub(crate) struct ParenRangeSuggestion {
#[suggestion_part(code = "(")]
pub lo: Span,
#[suggestion_part(code = ")")]
pub hi: Span,
}
#[derive(Diagnostic)]
#[diag(parse_ambiguous_range_pattern)]
pub(crate) struct AmbiguousRangePattern {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub suggestion: ParenRangeSuggestion,
}
#[derive(Diagnostic)]
#[diag(parse_unexpected_lifetime_in_pattern)]
pub(crate) struct UnexpectedLifetimeInPattern {
#[primary_span]
pub span: Span,
pub symbol: Symbol,
#[suggestion(code = "", applicability = "machine-applicable", style = "verbose")]
pub suggestion: Span,
}
#[derive(Diagnostic)]
pub(crate) enum InvalidMutInPattern {
#[diag(parse_mut_on_nested_ident_pattern)]
#[note(parse_note_mut_pattern_usage)]
NestedIdent {
#[primary_span]
#[suggestion(code = "{pat}", applicability = "machine-applicable", style = "verbose")]
span: Span,
pat: String,
},
#[diag(parse_mut_on_non_ident_pattern)]
#[note(parse_note_mut_pattern_usage)]
NonIdent {
#[primary_span]
#[suggestion(code = "", applicability = "machine-applicable", style = "verbose")]
span: Span,
},
}
#[derive(Diagnostic)]
#[diag(parse_repeated_mut_in_pattern)]
pub(crate) struct RepeatedMutInPattern {
#[primary_span]
pub span: Span,
#[suggestion(code = "", applicability = "machine-applicable", style = "verbose")]
pub suggestion: Span,
}
#[derive(Diagnostic)]
#[diag(parse_dot_dot_dot_range_to_pattern_not_allowed)]
pub(crate) struct DotDotDotRangeToPatternNotAllowed {
#[primary_span]
#[suggestion(style = "verbose", code = "..=", applicability = "machine-applicable")]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_enum_pattern_instead_of_identifier)]
pub(crate) struct EnumPatternInsteadOfIdentifier {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_at_dot_dot_in_struct_pattern)]
pub(crate) struct AtDotDotInStructPattern {
#[primary_span]
pub span: Span,
#[suggestion(code = "", style = "verbose", applicability = "machine-applicable")]
pub remove: Span,
pub ident: Ident,
}
#[derive(Diagnostic)]
#[diag(parse_at_in_struct_pattern)]
#[note]
#[help]
pub(crate) struct AtInStructPattern {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_dot_dot_dot_for_remaining_fields)]
pub(crate) struct DotDotDotForRemainingFields {
#[primary_span]
#[suggestion(code = "..", style = "verbose", applicability = "machine-applicable")]
pub span: Span,
pub token_str: Cow<'static, str>,
}
#[derive(Diagnostic)]
#[diag(parse_expected_comma_after_pattern_field)]
pub(crate) struct ExpectedCommaAfterPatternField {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_unexpected_expr_in_pat)]
#[note]
pub(crate) struct UnexpectedExpressionInPattern {
/// The unexpected expr's span.
#[primary_span]
#[label]
pub span: Span,
/// Was a `RangePatternBound` expected?
pub is_bound: bool,
/// The unexpected expr's precedence (used in match arm guard suggestions).
pub expr_precedence: ExprPrecedence,
}
#[derive(Subdiagnostic)]
pub(crate) enum UnexpectedExpressionInPatternSugg {
#[multipart_suggestion(
parse_unexpected_expr_in_pat_create_guard_sugg,
applicability = "maybe-incorrect"
)]
CreateGuard {
/// Where to put the suggested identifier.
#[suggestion_part(code = "{ident}")]
ident_span: Span,
/// Where to put the match arm.
#[suggestion_part(code = " if {ident} == {expr}")]
pat_hi: Span,
/// The suggested identifier.
ident: String,
/// The unexpected expression.
expr: String,
},
#[multipart_suggestion(
parse_unexpected_expr_in_pat_update_guard_sugg,
applicability = "maybe-incorrect"
)]
UpdateGuard {
/// Where to put the suggested identifier.
#[suggestion_part(code = "{ident}")]
ident_span: Span,
/// The beginning of the match arm guard's expression (insert a `(` if `Some`).
#[suggestion_part(code = "(")]
guard_lo: Option<Span>,
/// The end of the match arm guard's expression.
#[suggestion_part(code = "{guard_hi_paren} && {ident} == {expr}")]
guard_hi: Span,
/// Either `")"` or `""`.
guard_hi_paren: &'static str,
/// The suggested identifier.
ident: String,
/// The unexpected expression.
expr: String,
},
#[multipart_suggestion(
parse_unexpected_expr_in_pat_const_sugg,
applicability = "has-placeholders"
)]
Const {
/// Where to put the extracted constant declaration.
#[suggestion_part(code = "{indentation}const {ident}: /* Type */ = {expr};\n")]
stmt_lo: Span,
/// Where to put the suggested identifier.
#[suggestion_part(code = "{ident}")]
ident_span: Span,
/// The suggested identifier.
ident: String,
/// The unexpected expression.
expr: String,
/// The statement's block's indentation.
indentation: String,
},
}
#[derive(Diagnostic)]
#[diag(parse_unexpected_paren_in_range_pat)]
pub(crate) struct UnexpectedParenInRangePat {
#[primary_span]
pub span: Vec<Span>,
#[subdiagnostic]
pub sugg: UnexpectedParenInRangePatSugg,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(
parse_unexpected_paren_in_range_pat_sugg,
applicability = "machine-applicable"
)]
pub(crate) struct UnexpectedParenInRangePatSugg {
#[suggestion_part(code = "")]
pub start_span: Span,
#[suggestion_part(code = "")]
pub end_span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_return_types_use_thin_arrow)]
pub(crate) struct ReturnTypesUseThinArrow {
#[primary_span]
pub span: Span,
#[suggestion(style = "verbose", code = " -> ", applicability = "machine-applicable")]
pub suggestion: Span,
}
#[derive(Diagnostic)]
#[diag(parse_need_plus_after_trait_object_lifetime)]
pub(crate) struct NeedPlusAfterTraitObjectLifetime {
#[primary_span]
pub span: Span,
#[suggestion(code = " + /* Trait */", applicability = "has-placeholders")]
pub suggestion: Span,
}
#[derive(Diagnostic)]
#[diag(parse_expected_mut_or_const_in_raw_pointer_type)]
pub(crate) struct ExpectedMutOrConstInRawPointerType {
#[primary_span]
pub span: Span,
#[suggestion(code("mut ", "const "), applicability = "has-placeholders", style = "verbose")]
pub after_asterisk: Span,
}
#[derive(Diagnostic)]
#[diag(parse_lifetime_after_mut)]
pub(crate) struct LifetimeAfterMut {
#[primary_span]
pub span: Span,
#[suggestion(code = "&{snippet} mut", applicability = "maybe-incorrect", style = "verbose")]
pub suggest_lifetime: Option<Span>,
pub snippet: String,
}
#[derive(Diagnostic)]
#[diag(parse_dyn_after_mut)]
pub(crate) struct DynAfterMut {
#[primary_span]
#[suggestion(code = "&mut dyn", applicability = "machine-applicable", style = "verbose")]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_fn_pointer_cannot_be_const)]
pub(crate) struct FnPointerCannotBeConst {
#[primary_span]
pub span: Span,
#[label]
pub qualifier: Span,
#[suggestion(code = "", applicability = "maybe-incorrect", style = "verbose")]
pub suggestion: Span,
}
#[derive(Diagnostic)]
#[diag(parse_fn_pointer_cannot_be_async)]
pub(crate) struct FnPointerCannotBeAsync {
#[primary_span]
pub span: Span,
#[label]
pub qualifier: Span,
#[suggestion(code = "", applicability = "maybe-incorrect", style = "verbose")]
pub suggestion: Span,
}
#[derive(Diagnostic)]
#[diag(parse_nested_c_variadic_type, code = E0743)]
pub(crate) struct NestedCVariadicType {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_invalid_dyn_keyword)]
#[help]
pub(crate) struct InvalidDynKeyword {
#[primary_span]
pub span: Span,
#[suggestion(code = "", applicability = "machine-applicable", style = "verbose")]
pub suggestion: Span,
}
#[derive(Subdiagnostic)]
pub(crate) enum HelpUseLatestEdition {
#[help(parse_help_set_edition_cargo)]
#[note(parse_note_edition_guide)]
Cargo { edition: Edition },
#[help(parse_help_set_edition_standalone)]
#[note(parse_note_edition_guide)]
Standalone { edition: Edition },
}
impl HelpUseLatestEdition {
pub(crate) fn new() -> Self {
let edition = LATEST_STABLE_EDITION;
if rustc_session::utils::was_invoked_from_cargo() {
Self::Cargo { edition }
} else {
Self::Standalone { edition }
}
}
}
#[derive(Diagnostic)]
#[diag(parse_box_syntax_removed)]
pub(crate) struct BoxSyntaxRemoved {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub sugg: AddBoxNew,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(
parse_box_syntax_removed_suggestion,
applicability = "machine-applicable",
style = "verbose"
)]
pub(crate) struct AddBoxNew {
#[suggestion_part(code = "Box::new(")]
pub box_kw_and_lo: Span,
#[suggestion_part(code = ")")]
pub hi: Span,
}
#[derive(Diagnostic)]
#[diag(parse_bad_return_type_notation_output)]
pub(crate) struct BadReturnTypeNotationOutput {
#[primary_span]
pub span: Span,
#[suggestion(code = "", applicability = "maybe-incorrect", style = "verbose")]
pub suggestion: Span,
}
#[derive(Diagnostic)]
#[diag(parse_bad_assoc_type_bounds)]
pub(crate) struct BadAssocTypeBounds {
#[primary_span]
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_attr_after_generic)]
pub(crate) struct AttrAfterGeneric {
#[primary_span]
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_attr_without_generics)]
pub(crate) struct AttrWithoutGenerics {
#[primary_span]
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_where_generics)]
pub(crate) struct WhereOnGenerics {
#[primary_span]
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_generics_in_path)]
pub(crate) struct GenericsInPath {
#[primary_span]
pub span: Vec<Span>,
}
#[derive(Diagnostic)]
#[diag(parse_lifetime_in_eq_constraint)]
#[help]
pub(crate) struct LifetimeInEqConstraint {
#[primary_span]
#[label]
pub span: Span,
pub lifetime: Ident,
#[label(parse_context_label)]
pub binding_label: Span,
#[suggestion(
parse_colon_sugg,
style = "verbose",
applicability = "maybe-incorrect",
code = ": "
)]
pub colon_sugg: Span,
}
#[derive(Diagnostic)]
#[diag(parse_modifier_lifetime)]
pub(crate) struct ModifierLifetime {
#[primary_span]
#[suggestion(style = "tool-only", applicability = "maybe-incorrect", code = "")]
pub span: Span,
pub modifier: &'static str,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(
parse_parenthesized_lifetime_suggestion,
applicability = "machine-applicable"
)]
pub(crate) struct RemoveParens {
#[suggestion_part(code = "")]
pub lo: Span,
#[suggestion_part(code = "")]
pub hi: Span,
}
#[derive(Diagnostic)]
#[diag(parse_parenthesized_lifetime)]
pub(crate) struct ParenthesizedLifetime {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub sugg: RemoveParens,
}
#[derive(Diagnostic)]
#[diag(parse_underscore_literal_suffix)]
pub(crate) struct UnderscoreLiteralSuffix {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_expect_label_found_ident)]
pub(crate) struct ExpectedLabelFoundIdent {
#[primary_span]
pub span: Span,
#[suggestion(code = "'", applicability = "machine-applicable", style = "verbose")]
pub start: Span,
}
#[derive(Diagnostic)]
#[diag(parse_inappropriate_default)]
#[note]
pub(crate) struct InappropriateDefault {
#[primary_span]
#[label]
pub span: Span,
pub article: &'static str,
pub descr: &'static str,
}
#[derive(Diagnostic)]
#[diag(parse_recover_import_as_use)]
pub(crate) struct RecoverImportAsUse {
#[primary_span]
#[suggestion(code = "use", applicability = "machine-applicable", style = "verbose")]
pub span: Span,
pub token_name: String,
}
#[derive(Diagnostic)]
#[diag(parse_single_colon_import_path)]
#[note]
pub(crate) struct SingleColonImportPath {
#[primary_span]
#[suggestion(code = "::", applicability = "machine-applicable", style = "verbose")]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_bad_item_kind)]
pub(crate) struct BadItemKind {
#[primary_span]
pub span: Span,
pub descr: &'static str,
pub ctx: &'static str,
#[help]
pub help: bool,
}
#[derive(Diagnostic)]
#[diag(parse_macro_rules_missing_bang)]
pub(crate) struct MacroRulesMissingBang {
#[primary_span]
pub span: Span,
#[suggestion(code = "!", applicability = "machine-applicable", style = "verbose")]
pub hi: Span,
}
#[derive(Diagnostic)]
#[diag(parse_macro_name_remove_bang)]
pub(crate) struct MacroNameRemoveBang {
#[primary_span]
#[suggestion(code = "", applicability = "machine-applicable", style = "short")]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_macro_rules_visibility)]
pub(crate) struct MacroRulesVisibility<'a> {
#[primary_span]
#[suggestion(code = "#[macro_export]", applicability = "maybe-incorrect", style = "verbose")]
pub span: Span,
pub vis: &'a str,
}
#[derive(Diagnostic)]
#[diag(parse_macro_invocation_visibility)]
#[help]
pub(crate) struct MacroInvocationVisibility<'a> {
#[primary_span]
#[suggestion(code = "", applicability = "machine-applicable", style = "verbose")]
pub span: Span,
pub vis: &'a str,
}
#[derive(Diagnostic)]
#[diag(parse_nested_adt)]
pub(crate) struct NestedAdt<'a> {
#[primary_span]
pub span: Span,
#[suggestion(code = "", applicability = "maybe-incorrect", style = "verbose")]
pub item: Span,
pub keyword: &'a str,
pub kw_str: Cow<'a, str>,
}
#[derive(Diagnostic)]
#[diag(parse_function_body_equals_expr)]
pub(crate) struct FunctionBodyEqualsExpr {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub sugg: FunctionBodyEqualsExprSugg,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")]
pub(crate) struct FunctionBodyEqualsExprSugg {
#[suggestion_part(code = "{{")]
pub eq: Span,
#[suggestion_part(code = " }}")]
pub semi: Span,
}
#[derive(Diagnostic)]
#[diag(parse_box_not_pat)]
pub(crate) struct BoxNotPat {
#[primary_span]
pub span: Span,
#[note]
pub kw: Span,
#[suggestion(code = "r#", applicability = "maybe-incorrect", style = "verbose")]
pub lo: Span,
pub descr: String,
}
#[derive(Diagnostic)]
#[diag(parse_unmatched_angle)]
pub(crate) struct UnmatchedAngle {
#[primary_span]
#[suggestion(code = "", applicability = "machine-applicable", style = "verbose")]
pub span: Span,
pub plural: bool,
}
#[derive(Diagnostic)]
#[diag(parse_missing_plus_in_bounds)]
pub(crate) struct MissingPlusBounds {
#[primary_span]
pub span: Span,
#[suggestion(code = " +", applicability = "maybe-incorrect", style = "verbose")]
pub hi: Span,
pub sym: Symbol,
}
#[derive(Diagnostic)]
#[diag(parse_incorrect_parens_trait_bounds)]
pub(crate) struct IncorrectParensTraitBounds {
#[primary_span]
pub span: Vec<Span>,
#[subdiagnostic]
pub sugg: IncorrectParensTraitBoundsSugg,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(
parse_incorrect_parens_trait_bounds_sugg,
applicability = "machine-applicable"
)]
pub(crate) struct IncorrectParensTraitBoundsSugg {
#[suggestion_part(code = " ")]
pub wrong_span: Span,
#[suggestion_part(code = "(")]
pub new_span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_kw_bad_case)]
pub(crate) struct KwBadCase<'a> {
#[primary_span]
#[suggestion(code = "{kw}", style = "verbose", applicability = "machine-applicable")]
pub span: Span,
pub kw: &'a str,
}
#[derive(Diagnostic)]
#[diag(parse_meta_bad_delim)]
pub(crate) struct MetaBadDelim {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub sugg: MetaBadDelimSugg,
}
#[derive(Diagnostic)]
#[diag(parse_cfg_attr_bad_delim)]
pub(crate) struct CfgAttrBadDelim {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub sugg: MetaBadDelimSugg,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(parse_meta_bad_delim_suggestion, applicability = "machine-applicable")]
pub(crate) struct MetaBadDelimSugg {
#[suggestion_part(code = "(")]
pub open: Span,
#[suggestion_part(code = ")")]
pub close: Span,
}
#[derive(Diagnostic)]
#[diag(parse_malformed_cfg_attr)]
#[note]
pub(crate) struct MalformedCfgAttr {
#[primary_span]
#[suggestion(style = "verbose", code = "{sugg}")]
pub span: Span,
pub sugg: &'static str,
}
#[derive(Diagnostic)]
#[diag(parse_unknown_builtin_construct)]
pub(crate) struct UnknownBuiltinConstruct {
#[primary_span]
pub span: Span,
pub name: Ident,
}
#[derive(Diagnostic)]
#[diag(parse_expected_builtin_ident)]
pub(crate) struct ExpectedBuiltinIdent {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_static_with_generics)]
pub(crate) struct StaticWithGenerics {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_where_clause_before_const_body)]
pub(crate) struct WhereClauseBeforeConstBody {
#[primary_span]
#[label]
pub span: Span,
#[label(parse_name_label)]
pub name: Span,
#[label(parse_body_label)]
pub body: Span,
#[subdiagnostic]
pub sugg: Option<WhereClauseBeforeConstBodySugg>,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")]
pub(crate) struct WhereClauseBeforeConstBodySugg {
#[suggestion_part(code = "= {snippet} ")]
pub left: Span,
pub snippet: String,
#[suggestion_part(code = "")]
pub right: Span,
}
#[derive(Diagnostic)]
#[diag(parse_generic_args_in_pat_require_turbofish_syntax)]
pub(crate) struct GenericArgsInPatRequireTurbofishSyntax {
#[primary_span]
pub span: Span,
#[suggestion(
parse_sugg_turbofish_syntax,
style = "verbose",
code = "::",
applicability = "maybe-incorrect"
)]
pub suggest_turbofish: Span,
}
#[derive(Diagnostic)]
#[diag(parse_transpose_dyn_or_impl)]
pub(crate) struct TransposeDynOrImpl<'a> {
#[primary_span]
pub span: Span,
pub kw: &'a str,
#[subdiagnostic]
pub sugg: TransposeDynOrImplSugg<'a>,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")]
pub(crate) struct TransposeDynOrImplSugg<'a> {
#[suggestion_part(code = "")]
pub removal_span: Span,
#[suggestion_part(code = "{kw} ")]
pub insertion_span: Span,
pub kw: &'a str,
}
#[derive(Diagnostic)]
#[diag(parse_array_index_offset_of)]
pub(crate) struct ArrayIndexInOffsetOf(#[primary_span] pub Span);
#[derive(Diagnostic)]
#[diag(parse_invalid_offset_of)]
pub(crate) struct InvalidOffsetOf(#[primary_span] pub Span);
#[derive(Diagnostic)]
#[diag(parse_async_impl)]
pub(crate) struct AsyncImpl {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_expr_rarrow_call)]
#[help]
pub(crate) struct ExprRArrowCall {
#[primary_span]
#[suggestion(style = "verbose", applicability = "machine-applicable", code = ".")]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_dot_dot_range_attribute)]
pub(crate) struct DotDotRangeAttribute {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_invalid_attr_unsafe)]
#[note]
pub(crate) struct InvalidAttrUnsafe {
#[primary_span]
#[label]
pub span: Span,
pub name: Path,
}
#[derive(Diagnostic)]
#[diag(parse_unsafe_attr_outside_unsafe)]
pub(crate) struct UnsafeAttrOutsideUnsafe {
#[primary_span]
#[label]
pub span: Span,
#[subdiagnostic]
pub suggestion: UnsafeAttrOutsideUnsafeSuggestion,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(
parse_unsafe_attr_outside_unsafe_suggestion,
applicability = "machine-applicable"
)]
pub(crate) struct UnsafeAttrOutsideUnsafeSuggestion {
#[suggestion_part(code = "unsafe(")]
pub left: Span,
#[suggestion_part(code = ")")]
pub right: Span,
}
#[derive(Diagnostic)]
#[diag(parse_binder_before_modifiers)]
pub(crate) struct BinderBeforeModifiers {
#[primary_span]
pub binder_span: Span,
#[label]
pub modifiers_span: Span,
}
#[derive(Diagnostic)]
#[diag(parse_binder_and_polarity)]
pub(crate) struct BinderAndPolarity {
#[primary_span]
pub polarity_span: Span,
#[label]
pub binder_span: Span,
pub polarity: &'static str,
}
#[derive(Diagnostic)]
#[diag(parse_modifiers_and_polarity)]
pub(crate) struct PolarityAndModifiers {
#[primary_span]
pub polarity_span: Span,
#[label]
pub modifiers_span: Span,
pub polarity: &'static str,
pub modifiers_concatenated: String,
}
#[derive(Diagnostic)]
#[diag(parse_incorrect_type_on_self)]
pub(crate) struct IncorrectTypeOnSelf {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub move_self_modifier: MoveSelfModifier,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")]
pub(crate) struct MoveSelfModifier {
#[suggestion_part(code = "")]
pub removal_span: Span,
#[suggestion_part(code = "{modifier}")]
pub insertion_span: Span,
pub modifier: String,
}
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