microsoft/qdk
Publicmirrored from https://github.com/microsoft/qdkAvailable
compiler/qsc_fir/src/mut_visit.rs
198lines · modecode
| 1 | // Copyright (c) Microsoft Corporation. |
| 2 | // Licensed under the MIT License. |
| 3 | |
| 4 | use crate::fir::{ |
| 5 | Block, BlockId, CallableDecl, Expr, ExprId, ExprKind, Ident, Item, ItemKind, Package, Pat, |
| 6 | PatId, PatKind, QubitInit, QubitInitKind, SpecBody, SpecDecl, Stmt, StmtId, StmtKind, |
| 7 | StringComponent, |
| 8 | }; |
| 9 | |
| 10 | pub trait MutVisitor<'a>: Sized { |
| 11 | fn visit_package(&mut self, package: &'a mut Package) { |
| 12 | walk_package(self, package); |
| 13 | } |
| 14 | |
| 15 | fn visit_item(&mut self, item: &'a mut Item) { |
| 16 | walk_item(self, item); |
| 17 | } |
| 18 | |
| 19 | fn visit_callable_decl(&mut self, decl: &'a mut CallableDecl) { |
| 20 | walk_callable_decl(self, decl); |
| 21 | } |
| 22 | |
| 23 | fn visit_spec_decl(&mut self, decl: &'a mut SpecDecl) { |
| 24 | walk_spec_decl(self, decl); |
| 25 | } |
| 26 | |
| 27 | fn visit_block(&mut self, block: BlockId) { |
| 28 | walk_block(self, block); |
| 29 | } |
| 30 | |
| 31 | fn visit_stmt(&mut self, stmt: StmtId) { |
| 32 | walk_stmt(self, stmt); |
| 33 | } |
| 34 | |
| 35 | fn visit_expr(&mut self, expr: ExprId) { |
| 36 | walk_expr(self, expr); |
| 37 | } |
| 38 | |
| 39 | fn visit_pat(&mut self, pat: PatId) { |
| 40 | walk_pat(self, pat); |
| 41 | } |
| 42 | |
| 43 | fn visit_qubit_init(&mut self, init: &'a mut QubitInit) { |
| 44 | walk_qubit_init(self, init); |
| 45 | } |
| 46 | |
| 47 | fn visit_ident(&mut self, _: &'a mut Ident) {} |
| 48 | |
| 49 | fn get_block(&mut self, id: BlockId) -> &'a mut Block; |
| 50 | fn get_expr(&mut self, id: ExprId) -> &'a mut Expr; |
| 51 | fn get_pat(&mut self, id: PatId) -> &'a mut Pat; |
| 52 | fn get_stmt(&mut self, id: StmtId) -> &'a mut Stmt; |
| 53 | } |
| 54 | |
| 55 | pub fn walk_package<'a>(vis: &mut impl MutVisitor<'a>, package: &'a mut Package) { |
| 56 | package.items.values_mut().for_each(|i| vis.visit_item(i)); |
| 57 | package.entry.iter_mut().for_each(|e| vis.visit_expr(*e)); |
| 58 | } |
| 59 | |
| 60 | pub fn walk_item<'a>(vis: &mut impl MutVisitor<'a>, item: &'a mut Item) { |
| 61 | match &mut item.kind { |
| 62 | ItemKind::Callable(decl) => vis.visit_callable_decl(decl), |
| 63 | ItemKind::Namespace(name, _) | ItemKind::Ty(name, _) => vis.visit_ident(name), |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | pub fn walk_callable_decl<'a>(vis: &mut impl MutVisitor<'a>, decl: &'a mut CallableDecl) { |
| 68 | vis.visit_ident(&mut decl.name); |
| 69 | vis.visit_pat(decl.input); |
| 70 | vis.visit_spec_decl(&mut decl.body); |
| 71 | decl.adj |
| 72 | .iter_mut() |
| 73 | .for_each(|spec| vis.visit_spec_decl(spec)); |
| 74 | decl.ctl |
| 75 | .iter_mut() |
| 76 | .for_each(|spec| vis.visit_spec_decl(spec)); |
| 77 | decl.ctl_adj |
| 78 | .iter_mut() |
| 79 | .for_each(|spec| vis.visit_spec_decl(spec)); |
| 80 | } |
| 81 | |
| 82 | pub fn walk_spec_decl<'a>(vis: &mut impl MutVisitor<'a>, decl: &'a mut SpecDecl) { |
| 83 | match &mut decl.body { |
| 84 | SpecBody::Gen(_) => {} |
| 85 | SpecBody::Impl(pat, block) => { |
| 86 | pat.iter().for_each(|pat| vis.visit_pat(*pat)); |
| 87 | vis.visit_block(*block); |
| 88 | } |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | pub fn walk_block<'a>(vis: &mut impl MutVisitor<'a>, block: BlockId) { |
| 93 | let block = vis.get_block(block); |
| 94 | block.stmts.iter().for_each(|s| vis.visit_stmt(*s)); |
| 95 | } |
| 96 | |
| 97 | pub fn walk_stmt<'a>(vis: &mut impl MutVisitor<'a>, id: StmtId) { |
| 98 | let stmt = vis.get_stmt(id); |
| 99 | match &mut stmt.kind { |
| 100 | StmtKind::Item(_) => {} |
| 101 | StmtKind::Expr(expr) | StmtKind::Semi(expr) => vis.visit_expr(*expr), |
| 102 | StmtKind::Local(_, pat, value) => { |
| 103 | vis.visit_pat(*pat); |
| 104 | vis.visit_expr(*value); |
| 105 | } |
| 106 | StmtKind::Qubit(_, pat, init, block) => { |
| 107 | vis.visit_pat(*pat); |
| 108 | vis.visit_qubit_init(init); |
| 109 | block.iter().for_each(|b| vis.visit_block(*b)); |
| 110 | } |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | pub fn walk_expr<'a>(vis: &mut impl MutVisitor<'a>, expr: ExprId) { |
| 115 | let expr = vis.get_expr(expr); |
| 116 | match &expr.kind { |
| 117 | ExprKind::Array(exprs) => exprs.iter().for_each(|e| vis.visit_expr(*e)), |
| 118 | ExprKind::ArrayRepeat(item, size) => { |
| 119 | vis.visit_expr(*item); |
| 120 | vis.visit_expr(*size); |
| 121 | } |
| 122 | ExprKind::Assign(lhs, rhs) |
| 123 | | ExprKind::AssignOp(_, lhs, rhs) |
| 124 | | ExprKind::BinOp(_, lhs, rhs) => { |
| 125 | vis.visit_expr(*lhs); |
| 126 | vis.visit_expr(*rhs); |
| 127 | } |
| 128 | ExprKind::AssignField(record, _, replace) | ExprKind::UpdateField(record, _, replace) => { |
| 129 | vis.visit_expr(*record); |
| 130 | vis.visit_expr(*replace); |
| 131 | } |
| 132 | ExprKind::AssignIndex(array, index, replace) => { |
| 133 | vis.visit_expr(*array); |
| 134 | vis.visit_expr(*index); |
| 135 | vis.visit_expr(*replace); |
| 136 | } |
| 137 | ExprKind::Block(block) => vis.visit_block(*block), |
| 138 | ExprKind::Call(callee, arg) => { |
| 139 | vis.visit_expr(*callee); |
| 140 | vis.visit_expr(*arg); |
| 141 | } |
| 142 | ExprKind::Fail(msg) => vis.visit_expr(*msg), |
| 143 | ExprKind::Field(record, _) => vis.visit_expr(*record), |
| 144 | ExprKind::If(cond, body, otherwise) => { |
| 145 | vis.visit_expr(*cond); |
| 146 | vis.visit_expr(*body); |
| 147 | otherwise.iter().for_each(|e| vis.visit_expr(*e)); |
| 148 | } |
| 149 | ExprKind::Index(array, index) => { |
| 150 | vis.visit_expr(*array); |
| 151 | vis.visit_expr(*index); |
| 152 | } |
| 153 | ExprKind::Return(expr) | ExprKind::UnOp(_, expr) => { |
| 154 | vis.visit_expr(*expr); |
| 155 | } |
| 156 | ExprKind::Range(start, step, end) => { |
| 157 | start.iter().for_each(|s| vis.visit_expr(*s)); |
| 158 | step.iter().for_each(|s| vis.visit_expr(*s)); |
| 159 | end.iter().for_each(|e| vis.visit_expr(*e)); |
| 160 | } |
| 161 | ExprKind::String(components) => { |
| 162 | for component in components { |
| 163 | match component { |
| 164 | StringComponent::Expr(expr) => vis.visit_expr(*expr), |
| 165 | StringComponent::Lit(_) => {} |
| 166 | } |
| 167 | } |
| 168 | } |
| 169 | ExprKind::UpdateIndex(e1, e2, e3) => { |
| 170 | vis.visit_expr(*e1); |
| 171 | vis.visit_expr(*e2); |
| 172 | vis.visit_expr(*e3); |
| 173 | } |
| 174 | ExprKind::Tuple(exprs) => exprs.iter().for_each(|e| vis.visit_expr(*e)), |
| 175 | ExprKind::While(cond, block) => { |
| 176 | vis.visit_expr(*cond); |
| 177 | vis.visit_block(*block); |
| 178 | } |
| 179 | ExprKind::Closure(_, _) | ExprKind::Hole | ExprKind::Lit(_) | ExprKind::Var(_, _) => {} |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | pub fn walk_pat<'a>(vis: &mut impl MutVisitor<'a>, pat: PatId) { |
| 184 | let pat = vis.get_pat(pat); |
| 185 | match &mut pat.kind { |
| 186 | PatKind::Bind(name) => vis.visit_ident(name), |
| 187 | PatKind::Discard => {} |
| 188 | PatKind::Tuple(pats) => pats.iter().for_each(|p| vis.visit_pat(*p)), |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | pub fn walk_qubit_init<'a>(vis: &mut impl MutVisitor<'a>, init: &'a mut QubitInit) { |
| 193 | match &mut init.kind { |
| 194 | QubitInitKind::Array(len) => vis.visit_expr(*len), |
| 195 | QubitInitKind::Single => {} |
| 196 | QubitInitKind::Tuple(inits) => inits.iter_mut().for_each(|i| vis.visit_qubit_init(i)), |
| 197 | } |
| 198 | } |
| 199 | |