mirror of
https://github.com/rust-lang/rust-analyzer
synced 2025-01-13 13:48:50 +00:00
Move definition of exprs to hir_def
This commit is contained in:
parent
f5e1b0f97c
commit
d09e5a3d9e
10 changed files with 596 additions and 516 deletions
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@ -6,29 +6,18 @@ pub(crate) mod validation;
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use std::{ops::Index, sync::Arc};
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use hir_def::{
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path::GenericArgs,
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type_ref::{Mutability, TypeRef},
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};
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use ra_arena::{impl_arena_id, map::ArenaMap, Arena, RawId};
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use ra_arena::{map::ArenaMap, Arena};
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use ra_syntax::{ast, AstPtr};
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use rustc_hash::FxHashMap;
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use crate::{
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db::HirDatabase,
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ty::primitive::{UncertainFloatTy, UncertainIntTy},
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DefWithBody, Either, HasSource, Name, Path, Resolver, Source,
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};
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use crate::{db::HirDatabase, DefWithBody, Either, HasSource, Resolver, Source};
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pub use self::scope::ExprScopes;
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#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
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pub struct ExprId(RawId);
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impl_arena_id!(ExprId);
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#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
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pub struct PatId(RawId);
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impl_arena_id!(PatId);
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pub use hir_def::expr::{
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ArithOp, Array, BinaryOp, BindingAnnotation, CmpOp, Expr, ExprId, Literal, LogicOp, MatchArm,
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Ordering, Pat, PatId, RecordFieldPat, RecordLitField, Statement, UnaryOp,
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};
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/// The body of an item (function, const etc.).
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#[derive(Debug, Eq, PartialEq)]
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@ -187,388 +176,3 @@ impl BodySourceMap {
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self.field_map[&(expr, field)]
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}
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}
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#[derive(Debug, Clone, Eq, PartialEq)]
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pub enum Literal {
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String(String),
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ByteString(Vec<u8>),
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Char(char),
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Bool(bool),
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Int(u64, UncertainIntTy),
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Float(u64, UncertainFloatTy), // FIXME: f64 is not Eq
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}
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#[derive(Debug, Clone, Eq, PartialEq)]
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pub enum Expr {
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/// This is produced if syntax tree does not have a required expression piece.
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Missing,
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Path(Path),
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If {
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condition: ExprId,
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then_branch: ExprId,
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else_branch: Option<ExprId>,
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},
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Block {
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statements: Vec<Statement>,
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tail: Option<ExprId>,
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},
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Loop {
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body: ExprId,
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},
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While {
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condition: ExprId,
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body: ExprId,
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},
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For {
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iterable: ExprId,
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pat: PatId,
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body: ExprId,
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},
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Call {
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callee: ExprId,
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args: Vec<ExprId>,
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},
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MethodCall {
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receiver: ExprId,
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method_name: Name,
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args: Vec<ExprId>,
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generic_args: Option<GenericArgs>,
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},
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Match {
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expr: ExprId,
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arms: Vec<MatchArm>,
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},
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Continue,
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Break {
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expr: Option<ExprId>,
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},
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Return {
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expr: Option<ExprId>,
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},
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RecordLit {
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path: Option<Path>,
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fields: Vec<RecordLitField>,
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spread: Option<ExprId>,
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},
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Field {
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expr: ExprId,
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name: Name,
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},
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Await {
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expr: ExprId,
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},
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Try {
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expr: ExprId,
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},
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TryBlock {
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body: ExprId,
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},
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Cast {
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expr: ExprId,
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type_ref: TypeRef,
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},
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Ref {
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expr: ExprId,
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mutability: Mutability,
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},
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Box {
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expr: ExprId,
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},
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UnaryOp {
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expr: ExprId,
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op: UnaryOp,
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},
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BinaryOp {
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lhs: ExprId,
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rhs: ExprId,
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op: Option<BinaryOp>,
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},
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Index {
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base: ExprId,
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index: ExprId,
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},
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Lambda {
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args: Vec<PatId>,
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arg_types: Vec<Option<TypeRef>>,
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body: ExprId,
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},
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Tuple {
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exprs: Vec<ExprId>,
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},
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Array(Array),
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Literal(Literal),
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}
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#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
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pub enum BinaryOp {
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LogicOp(LogicOp),
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ArithOp(ArithOp),
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CmpOp(CmpOp),
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Assignment { op: Option<ArithOp> },
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}
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#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
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pub enum LogicOp {
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And,
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Or,
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}
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#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
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pub enum CmpOp {
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Eq { negated: bool },
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Ord { ordering: Ordering, strict: bool },
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}
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#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
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pub enum Ordering {
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Less,
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Greater,
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}
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#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
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pub enum ArithOp {
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Add,
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Mul,
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Sub,
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Div,
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Rem,
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Shl,
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Shr,
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BitXor,
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BitOr,
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BitAnd,
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}
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pub use ra_syntax::ast::PrefixOp as UnaryOp;
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#[derive(Debug, Clone, Eq, PartialEq)]
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pub enum Array {
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ElementList(Vec<ExprId>),
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Repeat { initializer: ExprId, repeat: ExprId },
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}
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#[derive(Debug, Clone, Eq, PartialEq)]
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pub struct MatchArm {
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pub pats: Vec<PatId>,
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pub guard: Option<ExprId>,
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pub expr: ExprId,
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}
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#[derive(Debug, Clone, Eq, PartialEq)]
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pub struct RecordLitField {
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pub name: Name,
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pub expr: ExprId,
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}
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#[derive(Debug, Clone, Eq, PartialEq)]
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pub enum Statement {
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Let { pat: PatId, type_ref: Option<TypeRef>, initializer: Option<ExprId> },
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Expr(ExprId),
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}
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impl Expr {
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pub fn walk_child_exprs(&self, mut f: impl FnMut(ExprId)) {
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match self {
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Expr::Missing => {}
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Expr::Path(_) => {}
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Expr::If { condition, then_branch, else_branch } => {
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f(*condition);
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f(*then_branch);
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if let Some(else_branch) = else_branch {
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f(*else_branch);
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}
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}
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Expr::Block { statements, tail } => {
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for stmt in statements {
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match stmt {
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Statement::Let { initializer, .. } => {
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if let Some(expr) = initializer {
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f(*expr);
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}
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}
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Statement::Expr(e) => f(*e),
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}
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}
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if let Some(expr) = tail {
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f(*expr);
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}
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}
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Expr::TryBlock { body } => f(*body),
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Expr::Loop { body } => f(*body),
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Expr::While { condition, body } => {
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f(*condition);
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f(*body);
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}
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Expr::For { iterable, body, .. } => {
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f(*iterable);
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f(*body);
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}
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Expr::Call { callee, args } => {
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f(*callee);
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for arg in args {
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f(*arg);
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}
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}
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Expr::MethodCall { receiver, args, .. } => {
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f(*receiver);
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for arg in args {
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f(*arg);
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}
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}
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Expr::Match { expr, arms } => {
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f(*expr);
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for arm in arms {
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f(arm.expr);
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}
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}
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Expr::Continue => {}
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Expr::Break { expr } | Expr::Return { expr } => {
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if let Some(expr) = expr {
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f(*expr);
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}
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}
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Expr::RecordLit { fields, spread, .. } => {
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for field in fields {
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f(field.expr);
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}
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if let Some(expr) = spread {
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f(*expr);
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}
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}
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Expr::Lambda { body, .. } => {
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f(*body);
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}
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Expr::BinaryOp { lhs, rhs, .. } => {
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f(*lhs);
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f(*rhs);
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}
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Expr::Index { base, index } => {
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f(*base);
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f(*index);
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}
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Expr::Field { expr, .. }
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| Expr::Await { expr }
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| Expr::Try { expr }
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| Expr::Cast { expr, .. }
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| Expr::Ref { expr, .. }
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| Expr::UnaryOp { expr, .. }
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| Expr::Box { expr } => {
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f(*expr);
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}
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Expr::Tuple { exprs } => {
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for expr in exprs {
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f(*expr);
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}
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}
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Expr::Array(a) => match a {
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Array::ElementList(exprs) => {
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for expr in exprs {
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f(*expr);
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}
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}
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Array::Repeat { initializer, repeat } => {
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f(*initializer);
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f(*repeat)
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}
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},
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Expr::Literal(_) => {}
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}
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}
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}
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/// Explicit binding annotations given in the HIR for a binding. Note
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/// that this is not the final binding *mode* that we infer after type
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/// inference.
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#[derive(Clone, PartialEq, Eq, Debug, Copy)]
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pub enum BindingAnnotation {
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/// No binding annotation given: this means that the final binding mode
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/// will depend on whether we have skipped through a `&` reference
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/// when matching. For example, the `x` in `Some(x)` will have binding
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/// mode `None`; if you do `let Some(x) = &Some(22)`, it will
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/// ultimately be inferred to be by-reference.
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Unannotated,
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/// Annotated with `mut x` -- could be either ref or not, similar to `None`.
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Mutable,
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/// Annotated as `ref`, like `ref x`
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Ref,
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/// Annotated as `ref mut x`.
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RefMut,
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}
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impl BindingAnnotation {
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fn new(is_mutable: bool, is_ref: bool) -> Self {
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match (is_mutable, is_ref) {
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(true, true) => BindingAnnotation::RefMut,
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(false, true) => BindingAnnotation::Ref,
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(true, false) => BindingAnnotation::Mutable,
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(false, false) => BindingAnnotation::Unannotated,
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}
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}
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}
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#[derive(Debug, Clone, Eq, PartialEq)]
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pub struct RecordFieldPat {
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pub(crate) name: Name,
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pub(crate) pat: PatId,
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}
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/// Close relative to rustc's hir::PatKind
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#[derive(Debug, Clone, Eq, PartialEq)]
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pub enum Pat {
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Missing,
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Wild,
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Tuple(Vec<PatId>),
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Record {
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path: Option<Path>,
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args: Vec<RecordFieldPat>,
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// FIXME: 'ellipsis' option
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},
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Range {
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start: ExprId,
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end: ExprId,
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},
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Slice {
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prefix: Vec<PatId>,
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rest: Option<PatId>,
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suffix: Vec<PatId>,
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},
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Path(Path),
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Lit(ExprId),
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Bind {
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mode: BindingAnnotation,
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name: Name,
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subpat: Option<PatId>,
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},
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TupleStruct {
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path: Option<Path>,
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args: Vec<PatId>,
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},
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Ref {
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pat: PatId,
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mutability: Mutability,
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},
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}
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impl Pat {
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pub fn walk_child_pats(&self, mut f: impl FnMut(PatId)) {
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match self {
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Pat::Range { .. } | Pat::Lit(..) | Pat::Path(..) | Pat::Wild | Pat::Missing => {}
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Pat::Bind { subpat, .. } => {
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subpat.iter().copied().for_each(f);
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}
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Pat::Tuple(args) | Pat::TupleStruct { args, .. } => {
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args.iter().copied().for_each(f);
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}
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Pat::Ref { pat, .. } => f(*pat),
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Pat::Slice { prefix, rest, suffix } => {
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let total_iter = prefix.iter().chain(rest.iter()).chain(suffix.iter());
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total_iter.copied().for_each(f);
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}
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Pat::Record { args, .. } => {
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args.iter().map(|f| f.pat).for_each(f);
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}
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}
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}
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}
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@ -1,6 +1,10 @@
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//! FIXME: write short doc here
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use hir_def::{path::GenericArgs, type_ref::TypeRef};
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use hir_def::{
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builtin_type::{BuiltinFloat, BuiltinInt},
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path::GenericArgs,
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type_ref::TypeRef,
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};
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use hir_expand::{
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hygiene::Hygiene,
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name::{self, AsName, Name},
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|
@ -16,15 +20,13 @@ use ra_syntax::{
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use test_utils::tested_by;
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use crate::{
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db::HirDatabase,
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ty::primitive::{FloatTy, IntTy, UncertainFloatTy, UncertainIntTy},
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AstId, DefWithBody, Either, HirFileId, MacroCallLoc, MacroFileKind, Mutability, Path, Resolver,
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Source,
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db::HirDatabase, AstId, DefWithBody, Either, HirFileId, MacroCallLoc, MacroFileKind,
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Mutability, Path, Resolver, Source,
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};
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use super::{
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ArithOp, Array, BinaryOp, BindingAnnotation, Body, BodySourceMap, CmpOp, Expr, ExprId, Literal,
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LogicOp, MatchArm, Ordering, Pat, PatId, PatPtr, RecordFieldPat, RecordLitField, Statement,
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Array, BinaryOp, BindingAnnotation, Body, BodySourceMap, Expr, ExprId, Literal, MatchArm, Pat,
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PatId, PatPtr, RecordFieldPat, RecordLitField, Statement,
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};
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pub(super) fn lower(
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|
@ -46,7 +48,7 @@ pub(super) fn lower(
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exprs: Arena::default(),
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pats: Arena::default(),
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params: Vec::new(),
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body_expr: ExprId((!0).into()),
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body_expr: ExprId::dummy(),
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},
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}
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.collect(params, body)
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|
@ -423,28 +425,18 @@ where
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ast::Expr::Literal(e) => {
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let lit = match e.kind() {
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LiteralKind::IntNumber { suffix } => {
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let known_name = suffix
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.and_then(|it| IntTy::from_suffix(&it).map(UncertainIntTy::Known));
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let known_name = suffix.and_then(|it| BuiltinInt::from_suffix(&it));
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Literal::Int(
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Default::default(),
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known_name.unwrap_or(UncertainIntTy::Unknown),
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)
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Literal::Int(Default::default(), known_name)
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}
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LiteralKind::FloatNumber { suffix } => {
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let known_name = suffix
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.and_then(|it| FloatTy::from_suffix(&it).map(UncertainFloatTy::Known));
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let known_name = suffix.and_then(|it| BuiltinFloat::from_suffix(&it));
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Literal::Float(
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Default::default(),
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known_name.unwrap_or(UncertainFloatTy::Unknown),
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)
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Literal::Float(Default::default(), known_name)
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}
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LiteralKind::ByteString => Literal::ByteString(Default::default()),
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LiteralKind::String => Literal::String(Default::default()),
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LiteralKind::Byte => {
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Literal::Int(Default::default(), UncertainIntTy::Known(IntTy::u8()))
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}
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LiteralKind::Byte => Literal::Int(Default::default(), Some(BuiltinInt::U8)),
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LiteralKind::Bool => Literal::Bool(Default::default()),
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LiteralKind::Char => Literal::Char(Default::default()),
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};
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|
@ -601,47 +593,3 @@ where
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Path::from_src(path, &hygiene)
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}
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}
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impl From<ast::BinOp> for BinaryOp {
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fn from(ast_op: ast::BinOp) -> Self {
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match ast_op {
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ast::BinOp::BooleanOr => BinaryOp::LogicOp(LogicOp::Or),
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ast::BinOp::BooleanAnd => BinaryOp::LogicOp(LogicOp::And),
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ast::BinOp::EqualityTest => BinaryOp::CmpOp(CmpOp::Eq { negated: false }),
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ast::BinOp::NegatedEqualityTest => BinaryOp::CmpOp(CmpOp::Eq { negated: true }),
|
||||
ast::BinOp::LesserEqualTest => {
|
||||
BinaryOp::CmpOp(CmpOp::Ord { ordering: Ordering::Less, strict: false })
|
||||
}
|
||||
ast::BinOp::GreaterEqualTest => {
|
||||
BinaryOp::CmpOp(CmpOp::Ord { ordering: Ordering::Greater, strict: false })
|
||||
}
|
||||
ast::BinOp::LesserTest => {
|
||||
BinaryOp::CmpOp(CmpOp::Ord { ordering: Ordering::Less, strict: true })
|
||||
}
|
||||
ast::BinOp::GreaterTest => {
|
||||
BinaryOp::CmpOp(CmpOp::Ord { ordering: Ordering::Greater, strict: true })
|
||||
}
|
||||
ast::BinOp::Addition => BinaryOp::ArithOp(ArithOp::Add),
|
||||
ast::BinOp::Multiplication => BinaryOp::ArithOp(ArithOp::Mul),
|
||||
ast::BinOp::Subtraction => BinaryOp::ArithOp(ArithOp::Sub),
|
||||
ast::BinOp::Division => BinaryOp::ArithOp(ArithOp::Div),
|
||||
ast::BinOp::Remainder => BinaryOp::ArithOp(ArithOp::Rem),
|
||||
ast::BinOp::LeftShift => BinaryOp::ArithOp(ArithOp::Shl),
|
||||
ast::BinOp::RightShift => BinaryOp::ArithOp(ArithOp::Shr),
|
||||
ast::BinOp::BitwiseXor => BinaryOp::ArithOp(ArithOp::BitXor),
|
||||
ast::BinOp::BitwiseOr => BinaryOp::ArithOp(ArithOp::BitOr),
|
||||
ast::BinOp::BitwiseAnd => BinaryOp::ArithOp(ArithOp::BitAnd),
|
||||
ast::BinOp::Assignment => BinaryOp::Assignment { op: None },
|
||||
ast::BinOp::AddAssign => BinaryOp::Assignment { op: Some(ArithOp::Add) },
|
||||
ast::BinOp::DivAssign => BinaryOp::Assignment { op: Some(ArithOp::Div) },
|
||||
ast::BinOp::MulAssign => BinaryOp::Assignment { op: Some(ArithOp::Mul) },
|
||||
ast::BinOp::RemAssign => BinaryOp::Assignment { op: Some(ArithOp::Rem) },
|
||||
ast::BinOp::ShlAssign => BinaryOp::Assignment { op: Some(ArithOp::Shl) },
|
||||
ast::BinOp::ShrAssign => BinaryOp::Assignment { op: Some(ArithOp::Shr) },
|
||||
ast::BinOp::SubAssign => BinaryOp::Assignment { op: Some(ArithOp::Sub) },
|
||||
ast::BinOp::BitOrAssign => BinaryOp::Assignment { op: Some(ArithOp::BitOr) },
|
||||
ast::BinOp::BitAndAssign => BinaryOp::Assignment { op: Some(ArithOp::BitAnd) },
|
||||
ast::BinOp::BitXorAssign => BinaryOp::Assignment { op: Some(ArithOp::BitXor) },
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
@ -452,8 +452,8 @@ impl<'a, D: HirDatabase> InferenceContext<'a, D> {
|
|||
Ty::apply_one(TypeCtor::Ref(Mutability::Shared), slice_type)
|
||||
}
|
||||
Literal::Char(..) => Ty::simple(TypeCtor::Char),
|
||||
Literal::Int(_v, ty) => Ty::simple(TypeCtor::Int(*ty)),
|
||||
Literal::Float(_v, ty) => Ty::simple(TypeCtor::Float(*ty)),
|
||||
Literal::Int(_v, ty) => Ty::simple(TypeCtor::Int((*ty).into())),
|
||||
Literal::Float(_v, ty) => Ty::simple(TypeCtor::Float((*ty).into())),
|
||||
},
|
||||
};
|
||||
// use a new type variable if we got Ty::Unknown here
|
||||
|
|
|
@ -25,7 +25,7 @@ use crate::{
|
|||
generics::{GenericDef, WherePredicate},
|
||||
resolve::{Resolver, TypeNs},
|
||||
ty::{
|
||||
primitive::{FloatTy, IntTy},
|
||||
primitive::{FloatTy, IntTy, UncertainFloatTy, UncertainIntTy},
|
||||
Adt,
|
||||
},
|
||||
util::make_mut_slice,
|
||||
|
@ -657,13 +657,41 @@ fn type_for_builtin(def: BuiltinType) -> Ty {
|
|||
BuiltinType::Char => TypeCtor::Char,
|
||||
BuiltinType::Bool => TypeCtor::Bool,
|
||||
BuiltinType::Str => TypeCtor::Str,
|
||||
BuiltinType::Int(BuiltinInt { signedness, bitness }) => {
|
||||
TypeCtor::Int(IntTy { signedness, bitness }.into())
|
||||
}
|
||||
BuiltinType::Float(BuiltinFloat { bitness }) => TypeCtor::Float(FloatTy { bitness }.into()),
|
||||
BuiltinType::Int(t) => TypeCtor::Int(IntTy::from(t).into()),
|
||||
BuiltinType::Float(t) => TypeCtor::Float(FloatTy::from(t).into()),
|
||||
})
|
||||
}
|
||||
|
||||
impl From<BuiltinInt> for IntTy {
|
||||
fn from(t: BuiltinInt) -> Self {
|
||||
IntTy { signedness: t.signedness, bitness: t.bitness }
|
||||
}
|
||||
}
|
||||
|
||||
impl From<BuiltinFloat> for FloatTy {
|
||||
fn from(t: BuiltinFloat) -> Self {
|
||||
FloatTy { bitness: t.bitness }
|
||||
}
|
||||
}
|
||||
|
||||
impl From<Option<BuiltinInt>> for UncertainIntTy {
|
||||
fn from(t: Option<BuiltinInt>) -> Self {
|
||||
match t {
|
||||
None => UncertainIntTy::Unknown,
|
||||
Some(t) => UncertainIntTy::Known(t.into()),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl From<Option<BuiltinFloat>> for UncertainFloatTy {
|
||||
fn from(t: Option<BuiltinFloat>) -> Self {
|
||||
match t {
|
||||
None => UncertainFloatTy::Unknown,
|
||||
Some(t) => UncertainFloatTy::Known(t.into()),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn fn_sig_for_struct_constructor(db: &impl HirDatabase, def: Struct) -> FnSig {
|
||||
let struct_data = db.struct_data(def.id.into());
|
||||
let fields = match struct_data.variant_data.fields() {
|
||||
|
|
|
@ -129,24 +129,6 @@ impl IntTy {
|
|||
(Signedness::Unsigned, IntBitness::X128) => "u128",
|
||||
}
|
||||
}
|
||||
|
||||
pub(crate) fn from_suffix(suffix: &str) -> Option<IntTy> {
|
||||
match suffix {
|
||||
"isize" => Some(IntTy::isize()),
|
||||
"i8" => Some(IntTy::i8()),
|
||||
"i16" => Some(IntTy::i16()),
|
||||
"i32" => Some(IntTy::i32()),
|
||||
"i64" => Some(IntTy::i64()),
|
||||
"i128" => Some(IntTy::i128()),
|
||||
"usize" => Some(IntTy::usize()),
|
||||
"u8" => Some(IntTy::u8()),
|
||||
"u16" => Some(IntTy::u16()),
|
||||
"u32" => Some(IntTy::u32()),
|
||||
"u64" => Some(IntTy::u64()),
|
||||
"u128" => Some(IntTy::u128()),
|
||||
_ => None,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Copy, Clone, PartialEq, Eq, Hash)]
|
||||
|
@ -181,12 +163,4 @@ impl FloatTy {
|
|||
FloatBitness::X64 => "f64",
|
||||
}
|
||||
}
|
||||
|
||||
pub(crate) fn from_suffix(suffix: &str) -> Option<FloatTy> {
|
||||
match suffix {
|
||||
"f32" => Some(FloatTy::f32()),
|
||||
"f64" => Some(FloatTy::f64()),
|
||||
_ => None,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
2
crates/ra_hir_def/src/body.rs
Normal file
2
crates/ra_hir_def/src/body.rs
Normal file
|
@ -0,0 +1,2 @@
|
|||
//! FIXME: write short doc here
|
||||
mod lower;
|
49
crates/ra_hir_def/src/body/lower.rs
Normal file
49
crates/ra_hir_def/src/body/lower.rs
Normal file
|
@ -0,0 +1,49 @@
|
|||
//! FIXME: write short doc here
|
||||
|
||||
use ra_syntax::ast;
|
||||
|
||||
use crate::expr::{ArithOp, BinaryOp, CmpOp, LogicOp, Ordering};
|
||||
|
||||
impl From<ast::BinOp> for BinaryOp {
|
||||
fn from(ast_op: ast::BinOp) -> Self {
|
||||
match ast_op {
|
||||
ast::BinOp::BooleanOr => BinaryOp::LogicOp(LogicOp::Or),
|
||||
ast::BinOp::BooleanAnd => BinaryOp::LogicOp(LogicOp::And),
|
||||
ast::BinOp::EqualityTest => BinaryOp::CmpOp(CmpOp::Eq { negated: false }),
|
||||
ast::BinOp::NegatedEqualityTest => BinaryOp::CmpOp(CmpOp::Eq { negated: true }),
|
||||
ast::BinOp::LesserEqualTest => {
|
||||
BinaryOp::CmpOp(CmpOp::Ord { ordering: Ordering::Less, strict: false })
|
||||
}
|
||||
ast::BinOp::GreaterEqualTest => {
|
||||
BinaryOp::CmpOp(CmpOp::Ord { ordering: Ordering::Greater, strict: false })
|
||||
}
|
||||
ast::BinOp::LesserTest => {
|
||||
BinaryOp::CmpOp(CmpOp::Ord { ordering: Ordering::Less, strict: true })
|
||||
}
|
||||
ast::BinOp::GreaterTest => {
|
||||
BinaryOp::CmpOp(CmpOp::Ord { ordering: Ordering::Greater, strict: true })
|
||||
}
|
||||
ast::BinOp::Addition => BinaryOp::ArithOp(ArithOp::Add),
|
||||
ast::BinOp::Multiplication => BinaryOp::ArithOp(ArithOp::Mul),
|
||||
ast::BinOp::Subtraction => BinaryOp::ArithOp(ArithOp::Sub),
|
||||
ast::BinOp::Division => BinaryOp::ArithOp(ArithOp::Div),
|
||||
ast::BinOp::Remainder => BinaryOp::ArithOp(ArithOp::Rem),
|
||||
ast::BinOp::LeftShift => BinaryOp::ArithOp(ArithOp::Shl),
|
||||
ast::BinOp::RightShift => BinaryOp::ArithOp(ArithOp::Shr),
|
||||
ast::BinOp::BitwiseXor => BinaryOp::ArithOp(ArithOp::BitXor),
|
||||
ast::BinOp::BitwiseOr => BinaryOp::ArithOp(ArithOp::BitOr),
|
||||
ast::BinOp::BitwiseAnd => BinaryOp::ArithOp(ArithOp::BitAnd),
|
||||
ast::BinOp::Assignment => BinaryOp::Assignment { op: None },
|
||||
ast::BinOp::AddAssign => BinaryOp::Assignment { op: Some(ArithOp::Add) },
|
||||
ast::BinOp::DivAssign => BinaryOp::Assignment { op: Some(ArithOp::Div) },
|
||||
ast::BinOp::MulAssign => BinaryOp::Assignment { op: Some(ArithOp::Mul) },
|
||||
ast::BinOp::RemAssign => BinaryOp::Assignment { op: Some(ArithOp::Rem) },
|
||||
ast::BinOp::ShlAssign => BinaryOp::Assignment { op: Some(ArithOp::Shl) },
|
||||
ast::BinOp::ShrAssign => BinaryOp::Assignment { op: Some(ArithOp::Shr) },
|
||||
ast::BinOp::SubAssign => BinaryOp::Assignment { op: Some(ArithOp::Sub) },
|
||||
ast::BinOp::BitOrAssign => BinaryOp::Assignment { op: Some(ArithOp::BitOr) },
|
||||
ast::BinOp::BitAndAssign => BinaryOp::Assignment { op: Some(ArithOp::BitAnd) },
|
||||
ast::BinOp::BitXorAssign => BinaryOp::Assignment { op: Some(ArithOp::BitXor) },
|
||||
}
|
||||
}
|
||||
}
|
|
@ -56,22 +56,22 @@ impl BuiltinType {
|
|||
(name::BOOL, BuiltinType::Bool),
|
||||
(name::STR, BuiltinType::Str ),
|
||||
|
||||
(name::ISIZE, BuiltinType::Int(BuiltinInt { signedness: Signedness::Signed, bitness: IntBitness::Xsize })),
|
||||
(name::I8, BuiltinType::Int(BuiltinInt { signedness: Signedness::Signed, bitness: IntBitness::X8 })),
|
||||
(name::I16, BuiltinType::Int(BuiltinInt { signedness: Signedness::Signed, bitness: IntBitness::X16 })),
|
||||
(name::I32, BuiltinType::Int(BuiltinInt { signedness: Signedness::Signed, bitness: IntBitness::X32 })),
|
||||
(name::I64, BuiltinType::Int(BuiltinInt { signedness: Signedness::Signed, bitness: IntBitness::X64 })),
|
||||
(name::I128, BuiltinType::Int(BuiltinInt { signedness: Signedness::Signed, bitness: IntBitness::X128 })),
|
||||
(name::ISIZE, BuiltinType::Int(BuiltinInt::ISIZE)),
|
||||
(name::I8, BuiltinType::Int(BuiltinInt::I8)),
|
||||
(name::I16, BuiltinType::Int(BuiltinInt::I16)),
|
||||
(name::I32, BuiltinType::Int(BuiltinInt::I32)),
|
||||
(name::I64, BuiltinType::Int(BuiltinInt::I64)),
|
||||
(name::I128, BuiltinType::Int(BuiltinInt::I128)),
|
||||
|
||||
(name::USIZE, BuiltinType::Int(BuiltinInt { signedness: Signedness::Unsigned, bitness: IntBitness::Xsize })),
|
||||
(name::U8, BuiltinType::Int(BuiltinInt { signedness: Signedness::Unsigned, bitness: IntBitness::X8 })),
|
||||
(name::U16, BuiltinType::Int(BuiltinInt { signedness: Signedness::Unsigned, bitness: IntBitness::X16 })),
|
||||
(name::U32, BuiltinType::Int(BuiltinInt { signedness: Signedness::Unsigned, bitness: IntBitness::X32 })),
|
||||
(name::U64, BuiltinType::Int(BuiltinInt { signedness: Signedness::Unsigned, bitness: IntBitness::X64 })),
|
||||
(name::U128, BuiltinType::Int(BuiltinInt { signedness: Signedness::Unsigned, bitness: IntBitness::X128 })),
|
||||
(name::USIZE, BuiltinType::Int(BuiltinInt::USIZE)),
|
||||
(name::U8, BuiltinType::Int(BuiltinInt::U8)),
|
||||
(name::U16, BuiltinType::Int(BuiltinInt::U16)),
|
||||
(name::U32, BuiltinType::Int(BuiltinInt::U32)),
|
||||
(name::U64, BuiltinType::Int(BuiltinInt::U64)),
|
||||
(name::U128, BuiltinType::Int(BuiltinInt::U128)),
|
||||
|
||||
(name::F32, BuiltinType::Float(BuiltinFloat { bitness: FloatBitness::X32 })),
|
||||
(name::F64, BuiltinType::Float(BuiltinFloat { bitness: FloatBitness::X64 })),
|
||||
(name::F32, BuiltinType::Float(BuiltinFloat::F32)),
|
||||
(name::F64, BuiltinType::Float(BuiltinFloat::F64)),
|
||||
];
|
||||
}
|
||||
|
||||
|
@ -104,3 +104,57 @@ impl fmt::Display for BuiltinType {
|
|||
f.write_str(type_name)
|
||||
}
|
||||
}
|
||||
|
||||
#[rustfmt::skip]
|
||||
impl BuiltinInt {
|
||||
pub const ISIZE: BuiltinInt = BuiltinInt { signedness: Signedness::Signed, bitness: IntBitness::Xsize };
|
||||
pub const I8 : BuiltinInt = BuiltinInt { signedness: Signedness::Signed, bitness: IntBitness::X8 };
|
||||
pub const I16 : BuiltinInt = BuiltinInt { signedness: Signedness::Signed, bitness: IntBitness::X16 };
|
||||
pub const I32 : BuiltinInt = BuiltinInt { signedness: Signedness::Signed, bitness: IntBitness::X32 };
|
||||
pub const I64 : BuiltinInt = BuiltinInt { signedness: Signedness::Signed, bitness: IntBitness::X64 };
|
||||
pub const I128 : BuiltinInt = BuiltinInt { signedness: Signedness::Signed, bitness: IntBitness::X128 };
|
||||
|
||||
pub const USIZE: BuiltinInt = BuiltinInt { signedness: Signedness::Unsigned, bitness: IntBitness::Xsize };
|
||||
pub const U8 : BuiltinInt = BuiltinInt { signedness: Signedness::Unsigned, bitness: IntBitness::X8 };
|
||||
pub const U16 : BuiltinInt = BuiltinInt { signedness: Signedness::Unsigned, bitness: IntBitness::X16 };
|
||||
pub const U32 : BuiltinInt = BuiltinInt { signedness: Signedness::Unsigned, bitness: IntBitness::X32 };
|
||||
pub const U64 : BuiltinInt = BuiltinInt { signedness: Signedness::Unsigned, bitness: IntBitness::X64 };
|
||||
pub const U128 : BuiltinInt = BuiltinInt { signedness: Signedness::Unsigned, bitness: IntBitness::X128 };
|
||||
|
||||
|
||||
pub fn from_suffix(suffix: &str) -> Option<BuiltinInt> {
|
||||
let res = match suffix {
|
||||
"isize" => Self::ISIZE,
|
||||
"i8" => Self::I8,
|
||||
"i16" => Self::I16,
|
||||
"i32" => Self::I32,
|
||||
"i64" => Self::I64,
|
||||
"i128" => Self::I128,
|
||||
|
||||
"usize" => Self::USIZE,
|
||||
"u8" => Self::U8,
|
||||
"u16" => Self::U16,
|
||||
"u32" => Self::U32,
|
||||
"u64" => Self::U64,
|
||||
"u128" => Self::U128,
|
||||
|
||||
_ => return None,
|
||||
};
|
||||
Some(res)
|
||||
}
|
||||
}
|
||||
|
||||
#[rustfmt::skip]
|
||||
impl BuiltinFloat {
|
||||
pub const F32: BuiltinFloat = BuiltinFloat { bitness: FloatBitness::X32 };
|
||||
pub const F64: BuiltinFloat = BuiltinFloat { bitness: FloatBitness::X64 };
|
||||
|
||||
pub fn from_suffix(suffix: &str) -> Option<BuiltinFloat> {
|
||||
let res = match suffix {
|
||||
"f32" => BuiltinFloat::F32,
|
||||
"f64" => BuiltinFloat::F64,
|
||||
_ => return None,
|
||||
};
|
||||
Some(res)
|
||||
}
|
||||
}
|
||||
|
|
419
crates/ra_hir_def/src/expr.rs
Normal file
419
crates/ra_hir_def/src/expr.rs
Normal file
|
@ -0,0 +1,419 @@
|
|||
//! This module describes hir-level representation of expressions.
|
||||
//!
|
||||
//! This representaion is:
|
||||
//!
|
||||
//! 1. Identity-based. Each expression has an `id`, so we can distinguish
|
||||
//! between different `1` in `1 + 1`.
|
||||
//! 2. Independent of syntax. Though syntactic provenance information can be
|
||||
//! attached separately via id-based side map.
|
||||
//! 3. Unresolved. Paths are stored as sequences of names, and not as defs the
|
||||
//! names refer to.
|
||||
//! 4. Desugared. There's no `if let`.
|
||||
|
||||
use hir_expand::name::Name;
|
||||
use ra_arena::{impl_arena_id, RawId};
|
||||
|
||||
use crate::{
|
||||
builtin_type::{BuiltinFloat, BuiltinInt},
|
||||
path::{GenericArgs, Path},
|
||||
type_ref::{Mutability, TypeRef},
|
||||
};
|
||||
|
||||
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
|
||||
pub struct ExprId(RawId);
|
||||
impl_arena_id!(ExprId);
|
||||
|
||||
impl ExprId {
|
||||
pub fn dummy() -> ExprId {
|
||||
ExprId((!0).into())
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
|
||||
pub struct PatId(RawId);
|
||||
impl_arena_id!(PatId);
|
||||
|
||||
#[derive(Debug, Clone, Eq, PartialEq)]
|
||||
pub enum Literal {
|
||||
String(String),
|
||||
ByteString(Vec<u8>),
|
||||
Char(char),
|
||||
Bool(bool),
|
||||
Int(u64, Option<BuiltinInt>),
|
||||
Float(u64, Option<BuiltinFloat>), // FIXME: f64 is not Eq
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, Eq, PartialEq)]
|
||||
pub enum Expr {
|
||||
/// This is produced if syntax tree does not have a required expression piece.
|
||||
Missing,
|
||||
Path(Path),
|
||||
If {
|
||||
condition: ExprId,
|
||||
then_branch: ExprId,
|
||||
else_branch: Option<ExprId>,
|
||||
},
|
||||
Block {
|
||||
statements: Vec<Statement>,
|
||||
tail: Option<ExprId>,
|
||||
},
|
||||
Loop {
|
||||
body: ExprId,
|
||||
},
|
||||
While {
|
||||
condition: ExprId,
|
||||
body: ExprId,
|
||||
},
|
||||
For {
|
||||
iterable: ExprId,
|
||||
pat: PatId,
|
||||
body: ExprId,
|
||||
},
|
||||
Call {
|
||||
callee: ExprId,
|
||||
args: Vec<ExprId>,
|
||||
},
|
||||
MethodCall {
|
||||
receiver: ExprId,
|
||||
method_name: Name,
|
||||
args: Vec<ExprId>,
|
||||
generic_args: Option<GenericArgs>,
|
||||
},
|
||||
Match {
|
||||
expr: ExprId,
|
||||
arms: Vec<MatchArm>,
|
||||
},
|
||||
Continue,
|
||||
Break {
|
||||
expr: Option<ExprId>,
|
||||
},
|
||||
Return {
|
||||
expr: Option<ExprId>,
|
||||
},
|
||||
RecordLit {
|
||||
path: Option<Path>,
|
||||
fields: Vec<RecordLitField>,
|
||||
spread: Option<ExprId>,
|
||||
},
|
||||
Field {
|
||||
expr: ExprId,
|
||||
name: Name,
|
||||
},
|
||||
Await {
|
||||
expr: ExprId,
|
||||
},
|
||||
Try {
|
||||
expr: ExprId,
|
||||
},
|
||||
TryBlock {
|
||||
body: ExprId,
|
||||
},
|
||||
Cast {
|
||||
expr: ExprId,
|
||||
type_ref: TypeRef,
|
||||
},
|
||||
Ref {
|
||||
expr: ExprId,
|
||||
mutability: Mutability,
|
||||
},
|
||||
Box {
|
||||
expr: ExprId,
|
||||
},
|
||||
UnaryOp {
|
||||
expr: ExprId,
|
||||
op: UnaryOp,
|
||||
},
|
||||
BinaryOp {
|
||||
lhs: ExprId,
|
||||
rhs: ExprId,
|
||||
op: Option<BinaryOp>,
|
||||
},
|
||||
Index {
|
||||
base: ExprId,
|
||||
index: ExprId,
|
||||
},
|
||||
Lambda {
|
||||
args: Vec<PatId>,
|
||||
arg_types: Vec<Option<TypeRef>>,
|
||||
body: ExprId,
|
||||
},
|
||||
Tuple {
|
||||
exprs: Vec<ExprId>,
|
||||
},
|
||||
Array(Array),
|
||||
Literal(Literal),
|
||||
}
|
||||
|
||||
#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
|
||||
pub enum BinaryOp {
|
||||
LogicOp(LogicOp),
|
||||
ArithOp(ArithOp),
|
||||
CmpOp(CmpOp),
|
||||
Assignment { op: Option<ArithOp> },
|
||||
}
|
||||
|
||||
#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
|
||||
pub enum LogicOp {
|
||||
And,
|
||||
Or,
|
||||
}
|
||||
|
||||
#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
|
||||
pub enum CmpOp {
|
||||
Eq { negated: bool },
|
||||
Ord { ordering: Ordering, strict: bool },
|
||||
}
|
||||
|
||||
#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
|
||||
pub enum Ordering {
|
||||
Less,
|
||||
Greater,
|
||||
}
|
||||
|
||||
#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
|
||||
pub enum ArithOp {
|
||||
Add,
|
||||
Mul,
|
||||
Sub,
|
||||
Div,
|
||||
Rem,
|
||||
Shl,
|
||||
Shr,
|
||||
BitXor,
|
||||
BitOr,
|
||||
BitAnd,
|
||||
}
|
||||
|
||||
pub use ra_syntax::ast::PrefixOp as UnaryOp;
|
||||
#[derive(Debug, Clone, Eq, PartialEq)]
|
||||
pub enum Array {
|
||||
ElementList(Vec<ExprId>),
|
||||
Repeat { initializer: ExprId, repeat: ExprId },
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, Eq, PartialEq)]
|
||||
pub struct MatchArm {
|
||||
pub pats: Vec<PatId>,
|
||||
pub guard: Option<ExprId>,
|
||||
pub expr: ExprId,
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, Eq, PartialEq)]
|
||||
pub struct RecordLitField {
|
||||
pub name: Name,
|
||||
pub expr: ExprId,
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, Eq, PartialEq)]
|
||||
pub enum Statement {
|
||||
Let { pat: PatId, type_ref: Option<TypeRef>, initializer: Option<ExprId> },
|
||||
Expr(ExprId),
|
||||
}
|
||||
|
||||
impl Expr {
|
||||
pub fn walk_child_exprs(&self, mut f: impl FnMut(ExprId)) {
|
||||
match self {
|
||||
Expr::Missing => {}
|
||||
Expr::Path(_) => {}
|
||||
Expr::If { condition, then_branch, else_branch } => {
|
||||
f(*condition);
|
||||
f(*then_branch);
|
||||
if let Some(else_branch) = else_branch {
|
||||
f(*else_branch);
|
||||
}
|
||||
}
|
||||
Expr::Block { statements, tail } => {
|
||||
for stmt in statements {
|
||||
match stmt {
|
||||
Statement::Let { initializer, .. } => {
|
||||
if let Some(expr) = initializer {
|
||||
f(*expr);
|
||||
}
|
||||
}
|
||||
Statement::Expr(e) => f(*e),
|
||||
}
|
||||
}
|
||||
if let Some(expr) = tail {
|
||||
f(*expr);
|
||||
}
|
||||
}
|
||||
Expr::TryBlock { body } => f(*body),
|
||||
Expr::Loop { body } => f(*body),
|
||||
Expr::While { condition, body } => {
|
||||
f(*condition);
|
||||
f(*body);
|
||||
}
|
||||
Expr::For { iterable, body, .. } => {
|
||||
f(*iterable);
|
||||
f(*body);
|
||||
}
|
||||
Expr::Call { callee, args } => {
|
||||
f(*callee);
|
||||
for arg in args {
|
||||
f(*arg);
|
||||
}
|
||||
}
|
||||
Expr::MethodCall { receiver, args, .. } => {
|
||||
f(*receiver);
|
||||
for arg in args {
|
||||
f(*arg);
|
||||
}
|
||||
}
|
||||
Expr::Match { expr, arms } => {
|
||||
f(*expr);
|
||||
for arm in arms {
|
||||
f(arm.expr);
|
||||
}
|
||||
}
|
||||
Expr::Continue => {}
|
||||
Expr::Break { expr } | Expr::Return { expr } => {
|
||||
if let Some(expr) = expr {
|
||||
f(*expr);
|
||||
}
|
||||
}
|
||||
Expr::RecordLit { fields, spread, .. } => {
|
||||
for field in fields {
|
||||
f(field.expr);
|
||||
}
|
||||
if let Some(expr) = spread {
|
||||
f(*expr);
|
||||
}
|
||||
}
|
||||
Expr::Lambda { body, .. } => {
|
||||
f(*body);
|
||||
}
|
||||
Expr::BinaryOp { lhs, rhs, .. } => {
|
||||
f(*lhs);
|
||||
f(*rhs);
|
||||
}
|
||||
Expr::Index { base, index } => {
|
||||
f(*base);
|
||||
f(*index);
|
||||
}
|
||||
Expr::Field { expr, .. }
|
||||
| Expr::Await { expr }
|
||||
| Expr::Try { expr }
|
||||
| Expr::Cast { expr, .. }
|
||||
| Expr::Ref { expr, .. }
|
||||
| Expr::UnaryOp { expr, .. }
|
||||
| Expr::Box { expr } => {
|
||||
f(*expr);
|
||||
}
|
||||
Expr::Tuple { exprs } => {
|
||||
for expr in exprs {
|
||||
f(*expr);
|
||||
}
|
||||
}
|
||||
Expr::Array(a) => match a {
|
||||
Array::ElementList(exprs) => {
|
||||
for expr in exprs {
|
||||
f(*expr);
|
||||
}
|
||||
}
|
||||
Array::Repeat { initializer, repeat } => {
|
||||
f(*initializer);
|
||||
f(*repeat)
|
||||
}
|
||||
},
|
||||
Expr::Literal(_) => {}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Explicit binding annotations given in the HIR for a binding. Note
|
||||
/// that this is not the final binding *mode* that we infer after type
|
||||
/// inference.
|
||||
#[derive(Clone, PartialEq, Eq, Debug, Copy)]
|
||||
pub enum BindingAnnotation {
|
||||
/// No binding annotation given: this means that the final binding mode
|
||||
/// will depend on whether we have skipped through a `&` reference
|
||||
/// when matching. For example, the `x` in `Some(x)` will have binding
|
||||
/// mode `None`; if you do `let Some(x) = &Some(22)`, it will
|
||||
/// ultimately be inferred to be by-reference.
|
||||
Unannotated,
|
||||
|
||||
/// Annotated with `mut x` -- could be either ref or not, similar to `None`.
|
||||
Mutable,
|
||||
|
||||
/// Annotated as `ref`, like `ref x`
|
||||
Ref,
|
||||
|
||||
/// Annotated as `ref mut x`.
|
||||
RefMut,
|
||||
}
|
||||
|
||||
impl BindingAnnotation {
|
||||
pub fn new(is_mutable: bool, is_ref: bool) -> Self {
|
||||
match (is_mutable, is_ref) {
|
||||
(true, true) => BindingAnnotation::RefMut,
|
||||
(false, true) => BindingAnnotation::Ref,
|
||||
(true, false) => BindingAnnotation::Mutable,
|
||||
(false, false) => BindingAnnotation::Unannotated,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, Eq, PartialEq)]
|
||||
pub struct RecordFieldPat {
|
||||
pub name: Name,
|
||||
pub pat: PatId,
|
||||
}
|
||||
|
||||
/// Close relative to rustc's hir::PatKind
|
||||
#[derive(Debug, Clone, Eq, PartialEq)]
|
||||
pub enum Pat {
|
||||
Missing,
|
||||
Wild,
|
||||
Tuple(Vec<PatId>),
|
||||
Record {
|
||||
path: Option<Path>,
|
||||
args: Vec<RecordFieldPat>,
|
||||
// FIXME: 'ellipsis' option
|
||||
},
|
||||
Range {
|
||||
start: ExprId,
|
||||
end: ExprId,
|
||||
},
|
||||
Slice {
|
||||
prefix: Vec<PatId>,
|
||||
rest: Option<PatId>,
|
||||
suffix: Vec<PatId>,
|
||||
},
|
||||
Path(Path),
|
||||
Lit(ExprId),
|
||||
Bind {
|
||||
mode: BindingAnnotation,
|
||||
name: Name,
|
||||
subpat: Option<PatId>,
|
||||
},
|
||||
TupleStruct {
|
||||
path: Option<Path>,
|
||||
args: Vec<PatId>,
|
||||
},
|
||||
Ref {
|
||||
pat: PatId,
|
||||
mutability: Mutability,
|
||||
},
|
||||
}
|
||||
|
||||
impl Pat {
|
||||
pub fn walk_child_pats(&self, mut f: impl FnMut(PatId)) {
|
||||
match self {
|
||||
Pat::Range { .. } | Pat::Lit(..) | Pat::Path(..) | Pat::Wild | Pat::Missing => {}
|
||||
Pat::Bind { subpat, .. } => {
|
||||
subpat.iter().copied().for_each(f);
|
||||
}
|
||||
Pat::Tuple(args) | Pat::TupleStruct { args, .. } => {
|
||||
args.iter().copied().for_each(f);
|
||||
}
|
||||
Pat::Ref { pat, .. } => f(*pat),
|
||||
Pat::Slice { prefix, rest, suffix } => {
|
||||
let total_iter = prefix.iter().chain(rest.iter()).chain(suffix.iter());
|
||||
total_iter.copied().for_each(f);
|
||||
}
|
||||
Pat::Record { args, .. } => {
|
||||
args.iter().map(|f| f.pat).for_each(f);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
|
@ -14,6 +14,8 @@ pub mod type_ref;
|
|||
pub mod builtin_type;
|
||||
pub mod adt;
|
||||
pub mod diagnostics;
|
||||
pub mod expr;
|
||||
pub mod body;
|
||||
|
||||
#[cfg(test)]
|
||||
mod test_db;
|
||||
|
|
Loading…
Reference in a new issue