94 lines
2.4 KiB
Rust
94 lines
2.4 KiB
Rust
//! FIXME: write short doc here
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use std::any::Any;
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use hir_expand::HirFileId;
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use ra_syntax::{ast, AstNode, AstPtr, SyntaxNodePtr};
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use crate::{db::AstDatabase, Name, Source};
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pub use hir_def::diagnostics::UnresolvedModule;
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pub use hir_expand::diagnostics::{AstDiagnostic, Diagnostic, DiagnosticSink};
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#[derive(Debug)]
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pub struct NoSuchField {
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pub file: HirFileId,
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pub field: AstPtr<ast::RecordField>,
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}
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impl Diagnostic for NoSuchField {
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fn message(&self) -> String {
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"no such field".to_string()
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}
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fn source(&self) -> Source<SyntaxNodePtr> {
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Source { file_id: self.file, value: self.field.into() }
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}
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fn as_any(&self) -> &(dyn Any + Send + 'static) {
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self
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}
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}
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#[derive(Debug)]
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pub struct MissingFields {
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pub file: HirFileId,
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pub field_list: AstPtr<ast::RecordFieldList>,
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pub missed_fields: Vec<Name>,
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}
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impl Diagnostic for MissingFields {
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fn message(&self) -> String {
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use std::fmt::Write;
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let mut message = String::from("Missing structure fields:\n");
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for field in &self.missed_fields {
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write!(message, "- {}\n", field).unwrap();
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}
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message
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}
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fn source(&self) -> Source<SyntaxNodePtr> {
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Source { file_id: self.file, value: self.field_list.into() }
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}
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fn as_any(&self) -> &(dyn Any + Send + 'static) {
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self
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}
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}
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impl AstDiagnostic for MissingFields {
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type AST = ast::RecordFieldList;
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fn ast(&self, db: &impl AstDatabase) -> Self::AST {
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let root = db.parse_or_expand(self.source().file_id).unwrap();
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let node = self.source().value.to_node(&root);
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ast::RecordFieldList::cast(node).unwrap()
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}
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}
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#[derive(Debug)]
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pub struct MissingOkInTailExpr {
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pub file: HirFileId,
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pub expr: AstPtr<ast::Expr>,
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}
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impl Diagnostic for MissingOkInTailExpr {
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fn message(&self) -> String {
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"wrap return expression in Ok".to_string()
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}
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fn source(&self) -> Source<SyntaxNodePtr> {
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Source { file_id: self.file, value: self.expr.into() }
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}
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fn as_any(&self) -> &(dyn Any + Send + 'static) {
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self
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}
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}
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impl AstDiagnostic for MissingOkInTailExpr {
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type AST = ast::Expr;
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fn ast(&self, db: &impl AstDatabase) -> Self::AST {
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let root = db.parse_or_expand(self.file).unwrap();
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let node = self.source().value.to_node(&root);
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ast::Expr::cast(node).unwrap()
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}
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}
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