use std::fmt::{self, Write};
use rustc_middle::query::TyCtxtAt;
use rustc_middle::thir::*;
use rustc_middle::ty;
use rustc_span::def_id::LocalDefId;
pub(crate) fn thir_tree(tcx: TyCtxtAt<'_>, owner_def: LocalDefId) -> String {
match super::cx::thir_body(*tcx, owner_def) {
Ok((thir, _)) => {
let thir = thir.steal();
let mut printer = ThirPrinter::new(&thir);
printer.print();
printer.into_buffer()
}
Err(_) => "error".into(),
}
}
pub(crate) fn thir_flat(tcx: TyCtxtAt<'_>, owner_def: LocalDefId) -> String {
match super::cx::thir_body(*tcx, owner_def) {
Ok((thir, _)) => format!("{:#?}", thir.steal()),
Err(_) => "error".into(),
}
}
struct ThirPrinter<'a, 'tcx> {
thir: &'a Thir<'tcx>,
fmt: String,
}
const INDENT: &str = " ";
macro_rules! print_indented {
($writer:ident, $s:expr, $indent_lvl:expr) => {
$writer.indent($indent_lvl);
writeln!($writer, "{}", $s).expect("unable to write to ThirPrinter");
};
}
impl<'a, 'tcx> Write for ThirPrinter<'a, 'tcx> {
fn write_str(&mut self, s: &str) -> fmt::Result {
self.fmt.push_str(s);
Ok(())
}
}
impl<'a, 'tcx> ThirPrinter<'a, 'tcx> {
fn new(thir: &'a Thir<'tcx>) -> Self {
Self { thir, fmt: String::new() }
}
fn indent(&mut self, level: usize) {
for _ in 0..level {
self.fmt.push_str(INDENT);
}
}
fn print(&mut self) {
print_indented!(self, "params: [", 0);
for param in self.thir.params.iter() {
self.print_param(param, 1);
}
print_indented!(self, "]", 0);
print_indented!(self, "body:", 0);
let expr = ExprId::from_usize(self.thir.exprs.len() - 1);
self.print_expr(expr, 1);
}
fn into_buffer(self) -> String {
self.fmt
}
fn print_param(&mut self, param: &Param<'tcx>, depth_lvl: usize) {
let Param { pat, ty, ty_span, self_kind, hir_id } = param;
print_indented!(self, "Param {", depth_lvl);
print_indented!(self, format!("ty: {:?}", ty), depth_lvl + 1);
print_indented!(self, format!("ty_span: {:?}", ty_span), depth_lvl + 1);
print_indented!(self, format!("self_kind: {:?}", self_kind), depth_lvl + 1);
print_indented!(self, format!("hir_id: {:?}", hir_id), depth_lvl + 1);
if let Some(pat) = pat {
print_indented!(self, "param: Some( ", depth_lvl + 1);
self.print_pat(pat, depth_lvl + 2);
print_indented!(self, ")", depth_lvl + 1);
} else {
print_indented!(self, "param: None", depth_lvl + 1);
}
print_indented!(self, "}", depth_lvl);
}
fn print_block(&mut self, block_id: BlockId, depth_lvl: usize) {
let Block { targeted_by_break, span, region_scope, stmts, expr, safety_mode } =
&self.thir.blocks[block_id];
print_indented!(self, "Block {", depth_lvl);
print_indented!(self, format!("targeted_by_break: {}", targeted_by_break), depth_lvl + 1);
print_indented!(self, format!("span: {:?}", span), depth_lvl + 1);
print_indented!(self, format!("region_scope: {:?}", region_scope), depth_lvl + 1);
print_indented!(self, format!("safety_mode: {:?}", safety_mode), depth_lvl + 1);
if stmts.len() > 0 {
print_indented!(self, "stmts: [", depth_lvl + 1);
for stmt in stmts.iter() {
self.print_stmt(*stmt, depth_lvl + 2);
}
print_indented!(self, "]", depth_lvl + 1);
} else {
print_indented!(self, "stmts: []", depth_lvl + 1);
}
if let Some(expr_id) = expr {
print_indented!(self, "expr:", depth_lvl + 1);
self.print_expr(*expr_id, depth_lvl + 2);
} else {
print_indented!(self, "expr: []", depth_lvl + 1);
}
print_indented!(self, "}", depth_lvl);
}
fn print_stmt(&mut self, stmt_id: StmtId, depth_lvl: usize) {
let Stmt { kind } = &self.thir.stmts[stmt_id];
print_indented!(self, "Stmt {", depth_lvl);
match kind {
StmtKind::Expr { scope, expr } => {
print_indented!(self, "kind: Expr {", depth_lvl + 1);
print_indented!(self, format!("scope: {:?}", scope), depth_lvl + 2);
print_indented!(self, "expr:", depth_lvl + 2);
self.print_expr(*expr, depth_lvl + 3);
print_indented!(self, "}", depth_lvl + 1);
}
StmtKind::Let {
remainder_scope,
init_scope,
pattern,
initializer,
else_block,
lint_level,
span,
} => {
print_indented!(self, "kind: Let {", depth_lvl + 1);
print_indented!(
self,
format!("remainder_scope: {:?}", remainder_scope),
depth_lvl + 2
);
print_indented!(self, format!("init_scope: {:?}", init_scope), depth_lvl + 2);
print_indented!(self, "pattern: ", depth_lvl + 2);
self.print_pat(pattern, depth_lvl + 3);
print_indented!(self, ",", depth_lvl + 2);
if let Some(init) = initializer {
print_indented!(self, "initializer: Some(", depth_lvl + 2);
self.print_expr(*init, depth_lvl + 3);
print_indented!(self, ")", depth_lvl + 2);
} else {
print_indented!(self, "initializer: None", depth_lvl + 2);
}
if let Some(else_block) = else_block {
print_indented!(self, "else_block: Some(", depth_lvl + 2);
self.print_block(*else_block, depth_lvl + 3);
print_indented!(self, ")", depth_lvl + 2);
} else {
print_indented!(self, "else_block: None", depth_lvl + 2);
}
print_indented!(self, format!("lint_level: {:?}", lint_level), depth_lvl + 2);
print_indented!(self, format!("span: {:?}", span), depth_lvl + 2);
print_indented!(self, "}", depth_lvl + 1);
}
}
print_indented!(self, "}", depth_lvl);
}
fn print_expr(&mut self, expr: ExprId, depth_lvl: usize) {
let Expr { ty, temp_lifetime, span, kind } = &self.thir[expr];
print_indented!(self, "Expr {", depth_lvl);
print_indented!(self, format!("ty: {:?}", ty), depth_lvl + 1);
print_indented!(self, format!("temp_lifetime: {:?}", temp_lifetime), depth_lvl + 1);
print_indented!(self, format!("span: {:?}", span), depth_lvl + 1);
print_indented!(self, "kind: ", depth_lvl + 1);
self.print_expr_kind(kind, depth_lvl + 2);
print_indented!(self, "}", depth_lvl);
}
fn print_expr_kind(&mut self, expr_kind: &ExprKind<'tcx>, depth_lvl: usize) {
use rustc_middle::thir::ExprKind::*;
match expr_kind {
Scope { region_scope, value, lint_level } => {
print_indented!(self, "Scope {", depth_lvl);
print_indented!(self, format!("region_scope: {:?}", region_scope), depth_lvl + 1);
print_indented!(self, format!("lint_level: {:?}", lint_level), depth_lvl + 1);
print_indented!(self, "value:", depth_lvl + 1);
self.print_expr(*value, depth_lvl + 2);
print_indented!(self, "}", depth_lvl);
}
Box { value } => {
print_indented!(self, "Box {", depth_lvl);
self.print_expr(*value, depth_lvl + 1);
print_indented!(self, "}", depth_lvl);
}
If { if_then_scope, cond, then, else_opt } => {
print_indented!(self, "If {", depth_lvl);
print_indented!(self, format!("if_then_scope: {:?}", if_then_scope), depth_lvl + 1);
print_indented!(self, "cond:", depth_lvl + 1);
self.print_expr(*cond, depth_lvl + 2);
print_indented!(self, "then:", depth_lvl + 1);
self.print_expr(*then, depth_lvl + 2);
if let Some(else_expr) = else_opt {
print_indented!(self, "else:", depth_lvl + 1);
self.print_expr(*else_expr, depth_lvl + 2);
}
print_indented!(self, "}", depth_lvl);
}
Call { fun, args, ty, from_hir_call, fn_span } => {
print_indented!(self, "Call {", depth_lvl);
print_indented!(self, format!("ty: {:?}", ty), depth_lvl + 1);
print_indented!(self, format!("from_hir_call: {}", from_hir_call), depth_lvl + 1);
print_indented!(self, format!("fn_span: {:?}", fn_span), depth_lvl + 1);
print_indented!(self, "fun:", depth_lvl + 1);
self.print_expr(*fun, depth_lvl + 2);
if args.len() > 0 {
print_indented!(self, "args: [", depth_lvl + 1);
for arg in args.iter() {
self.print_expr(*arg, depth_lvl + 2);
}
print_indented!(self, "]", depth_lvl + 1);
} else {
print_indented!(self, "args: []", depth_lvl + 1);
}
print_indented!(self, "}", depth_lvl);
}
Deref { arg } => {
print_indented!(self, "Deref {", depth_lvl);
self.print_expr(*arg, depth_lvl + 1);
print_indented!(self, "}", depth_lvl);
}
Binary { op, lhs, rhs } => {
print_indented!(self, "Binary {", depth_lvl);
print_indented!(self, format!("op: {:?}", op), depth_lvl + 1);
print_indented!(self, "lhs:", depth_lvl + 1);
self.print_expr(*lhs, depth_lvl + 2);
print_indented!(self, "rhs:", depth_lvl + 1);
self.print_expr(*rhs, depth_lvl + 2);
print_indented!(self, "}", depth_lvl);
}
LogicalOp { op, lhs, rhs } => {
print_indented!(self, "LogicalOp {", depth_lvl);
print_indented!(self, format!("op: {:?}", op), depth_lvl + 1);
print_indented!(self, "lhs:", depth_lvl + 1);
self.print_expr(*lhs, depth_lvl + 2);
print_indented!(self, "rhs:", depth_lvl + 1);
self.print_expr(*rhs, depth_lvl + 2);
print_indented!(self, "}", depth_lvl);
}
Unary { op, arg } => {
print_indented!(self, "Unary {", depth_lvl);
print_indented!(self, format!("op: {:?}", op), depth_lvl + 1);
print_indented!(self, "arg:", depth_lvl + 1);
self.print_expr(*arg, depth_lvl + 2);
print_indented!(self, "}", depth_lvl);
}
Cast { source } => {
print_indented!(self, "Cast {", depth_lvl);
print_indented!(self, "source:", depth_lvl + 1);
self.print_expr(*source, depth_lvl + 2);
print_indented!(self, "}", depth_lvl);
}
Use { source } => {
print_indented!(self, "Use {", depth_lvl);
print_indented!(self, "source:", depth_lvl + 1);
self.print_expr(*source, depth_lvl + 2);
print_indented!(self, "}", depth_lvl);
}
NeverToAny { source } => {
print_indented!(self, "NeverToAny {", depth_lvl);
print_indented!(self, "source:", depth_lvl + 1);
self.print_expr(*source, depth_lvl + 2);
print_indented!(self, "}", depth_lvl);
}
PointerCoercion { cast, is_from_as_cast, source } => {
print_indented!(self, "Pointer {", depth_lvl);
print_indented!(self, format!("cast: {:?}", cast), depth_lvl + 1);
print_indented!(
self,
format!("is_from_as_cast: {:?}", is_from_as_cast),
depth_lvl + 1
);
print_indented!(self, "source:", depth_lvl + 1);
self.print_expr(*source, depth_lvl + 2);
print_indented!(self, "}", depth_lvl);
}
Loop { body } => {
print_indented!(self, "Loop (", depth_lvl);
print_indented!(self, "body:", depth_lvl + 1);
self.print_expr(*body, depth_lvl + 2);
print_indented!(self, ")", depth_lvl);
}
Let { expr, pat } => {
print_indented!(self, "Let {", depth_lvl);
print_indented!(self, "expr:", depth_lvl + 1);
self.print_expr(*expr, depth_lvl + 2);
print_indented!(self, format!("pat: {:?}", pat), depth_lvl + 1);
print_indented!(self, "}", depth_lvl);
}
Match { scrutinee, arms, .. } => {
print_indented!(self, "Match {", depth_lvl);
print_indented!(self, "scrutinee:", depth_lvl + 1);
self.print_expr(*scrutinee, depth_lvl + 2);
print_indented!(self, "arms: [", depth_lvl + 1);
for arm_id in arms.iter() {
self.print_arm(*arm_id, depth_lvl + 2);
}
print_indented!(self, "]", depth_lvl + 1);
print_indented!(self, "}", depth_lvl);
}
Block { block } => self.print_block(*block, depth_lvl),
Assign { lhs, rhs } => {
print_indented!(self, "Assign {", depth_lvl);
print_indented!(self, "lhs:", depth_lvl + 1);
self.print_expr(*lhs, depth_lvl + 2);
print_indented!(self, "rhs:", depth_lvl + 1);
self.print_expr(*rhs, depth_lvl + 2);
print_indented!(self, "}", depth_lvl);
}
AssignOp { op, lhs, rhs } => {
print_indented!(self, "AssignOp {", depth_lvl);
print_indented!(self, format!("op: {:?}", op), depth_lvl + 1);
print_indented!(self, "lhs:", depth_lvl + 1);
self.print_expr(*lhs, depth_lvl + 2);
print_indented!(self, "rhs:", depth_lvl + 1);
self.print_expr(*rhs, depth_lvl + 2);
print_indented!(self, "}", depth_lvl);
}
Field { lhs, variant_index, name } => {
print_indented!(self, "Field {", depth_lvl);
print_indented!(self, format!("variant_index: {:?}", variant_index), depth_lvl + 1);
print_indented!(self, format!("name: {:?}", name), depth_lvl + 1);
print_indented!(self, "lhs:", depth_lvl + 1);
self.print_expr(*lhs, depth_lvl + 2);
print_indented!(self, "}", depth_lvl);
}
Index { lhs, index } => {
print_indented!(self, "Index {", depth_lvl);
print_indented!(self, format!("index: {:?}", index), depth_lvl + 1);
print_indented!(self, "lhs:", depth_lvl + 1);
self.print_expr(*lhs, depth_lvl + 2);
print_indented!(self, "}", depth_lvl);
}
VarRef { id } => {
print_indented!(self, "VarRef {", depth_lvl);
print_indented!(self, format!("id: {:?}", id), depth_lvl + 1);
print_indented!(self, "}", depth_lvl);
}
UpvarRef { closure_def_id, var_hir_id } => {
print_indented!(self, "UpvarRef {", depth_lvl);
print_indented!(
self,
format!("closure_def_id: {:?}", closure_def_id),
depth_lvl + 1
);
print_indented!(self, format!("var_hir_id: {:?}", var_hir_id), depth_lvl + 1);
print_indented!(self, "}", depth_lvl);
}
Borrow { borrow_kind, arg } => {
print_indented!(self, "Borrow (", depth_lvl);
print_indented!(self, format!("borrow_kind: {:?}", borrow_kind), depth_lvl + 1);
print_indented!(self, "arg:", depth_lvl + 1);
self.print_expr(*arg, depth_lvl + 2);
print_indented!(self, ")", depth_lvl);
}
RawBorrow { mutability, arg } => {
print_indented!(self, "RawBorrow {", depth_lvl);
print_indented!(self, format!("mutability: {:?}", mutability), depth_lvl + 1);
print_indented!(self, "arg:", depth_lvl + 1);
self.print_expr(*arg, depth_lvl + 2);
print_indented!(self, "}", depth_lvl);
}
Break { label, value } => {
print_indented!(self, "Break (", depth_lvl);
print_indented!(self, format!("label: {:?}", label), depth_lvl + 1);
if let Some(value) = value {
print_indented!(self, "value:", depth_lvl + 1);
self.print_expr(*value, depth_lvl + 2);
}
print_indented!(self, ")", depth_lvl);
}
Continue { label } => {
print_indented!(self, "Continue {", depth_lvl);
print_indented!(self, format!("label: {:?}", label), depth_lvl + 1);
print_indented!(self, "}", depth_lvl);
}
Return { value } => {
print_indented!(self, "Return {", depth_lvl);
print_indented!(self, "value:", depth_lvl + 1);
if let Some(value) = value {
self.print_expr(*value, depth_lvl + 2);
}
print_indented!(self, "}", depth_lvl);
}
Become { value } => {
print_indented!(self, "Become {", depth_lvl);
print_indented!(self, "value:", depth_lvl + 1);
self.print_expr(*value, depth_lvl + 2);
print_indented!(self, "}", depth_lvl);
}
ConstBlock { did, args } => {
print_indented!(self, "ConstBlock {", depth_lvl);
print_indented!(self, format!("did: {:?}", did), depth_lvl + 1);
print_indented!(self, format!("args: {:?}", args), depth_lvl + 1);
print_indented!(self, "}", depth_lvl);
}
Repeat { value, count } => {
print_indented!(self, "Repeat {", depth_lvl);
print_indented!(self, format!("count: {:?}", count), depth_lvl + 1);
print_indented!(self, "value:", depth_lvl + 1);
self.print_expr(*value, depth_lvl + 2);
print_indented!(self, "}", depth_lvl);
}
Array { fields } => {
print_indented!(self, "Array {", depth_lvl);
print_indented!(self, "fields: [", depth_lvl + 1);
for field_id in fields.iter() {
self.print_expr(*field_id, depth_lvl + 2);
}
print_indented!(self, "]", depth_lvl + 1);
print_indented!(self, "}", depth_lvl);
}
Tuple { fields } => {
print_indented!(self, "Tuple {", depth_lvl);
print_indented!(self, "fields: [", depth_lvl + 1);
for field_id in fields.iter() {
self.print_expr(*field_id, depth_lvl + 2);
}
print_indented!(self, "]", depth_lvl + 1);
print_indented!(self, "}", depth_lvl);
}
Adt(adt_expr) => {
print_indented!(self, "Adt {", depth_lvl);
self.print_adt_expr(&**adt_expr, depth_lvl + 1);
print_indented!(self, "}", depth_lvl);
}
PlaceTypeAscription { source, user_ty, user_ty_span } => {
print_indented!(self, "PlaceTypeAscription {", depth_lvl);
print_indented!(self, format!("user_ty: {:?}", user_ty), depth_lvl + 1);
print_indented!(self, format!("user_ty_span: {:?}", user_ty_span), depth_lvl + 1);
print_indented!(self, "source:", depth_lvl + 1);
self.print_expr(*source, depth_lvl + 2);
print_indented!(self, "}", depth_lvl);
}
ValueTypeAscription { source, user_ty, user_ty_span } => {
print_indented!(self, "ValueTypeAscription {", depth_lvl);
print_indented!(self, format!("user_ty: {:?}", user_ty), depth_lvl + 1);
print_indented!(self, format!("user_ty_span: {:?}", user_ty_span), depth_lvl + 1);
print_indented!(self, "source:", depth_lvl + 1);
self.print_expr(*source, depth_lvl + 2);
print_indented!(self, "}", depth_lvl);
}
Closure(closure_expr) => {
print_indented!(self, "Closure {", depth_lvl);
print_indented!(self, "closure_expr:", depth_lvl + 1);
self.print_closure_expr(&**closure_expr, depth_lvl + 2);
print_indented!(self, "}", depth_lvl);
}
Literal { lit, neg } => {
print_indented!(
self,
format!("Literal( lit: {:?}, neg: {:?})\n", lit, neg),
depth_lvl
);
}
NonHirLiteral { lit, user_ty } => {
print_indented!(self, "NonHirLiteral {", depth_lvl);
print_indented!(self, format!("lit: {:?}", lit), depth_lvl + 1);
print_indented!(self, format!("user_ty: {:?}", user_ty), depth_lvl + 1);
print_indented!(self, "}", depth_lvl);
}
ZstLiteral { user_ty } => {
print_indented!(self, format!("ZstLiteral(user_ty: {:?})", user_ty), depth_lvl);
}
NamedConst { def_id, args, user_ty } => {
print_indented!(self, "NamedConst {", depth_lvl);
print_indented!(self, format!("def_id: {:?}", def_id), depth_lvl + 1);
print_indented!(self, format!("user_ty: {:?}", user_ty), depth_lvl + 1);
print_indented!(self, format!("args: {:?}", args), depth_lvl + 1);
print_indented!(self, "}", depth_lvl);
}
ConstParam { param, def_id } => {
print_indented!(self, "ConstParam {", depth_lvl);
print_indented!(self, format!("def_id: {:?}", def_id), depth_lvl + 1);
print_indented!(self, format!("param: {:?}", param), depth_lvl + 1);
print_indented!(self, "}", depth_lvl);
}
StaticRef { alloc_id, ty, def_id } => {
print_indented!(self, "StaticRef {", depth_lvl);
print_indented!(self, format!("def_id: {:?}", def_id), depth_lvl + 1);
print_indented!(self, format!("ty: {:?}", ty), depth_lvl + 1);
print_indented!(self, format!("alloc_id: {:?}", alloc_id), depth_lvl + 1);
print_indented!(self, "}", depth_lvl);
}
InlineAsm(expr) => {
print_indented!(self, "InlineAsm {", depth_lvl);
print_indented!(self, "expr:", depth_lvl + 1);
self.print_inline_asm_expr(&**expr, depth_lvl + 2);
print_indented!(self, "}", depth_lvl);
}
OffsetOf { container, fields } => {
print_indented!(self, "OffsetOf {", depth_lvl);
print_indented!(self, format!("container: {:?}", container), depth_lvl + 1);
print_indented!(self, "fields: [", depth_lvl + 1);
for field in fields.iter() {
print_indented!(self, format!("{:?}", field), depth_lvl + 2);
print_indented!(self, ",", depth_lvl + 1);
}
print_indented!(self, "]", depth_lvl + 1);
print_indented!(self, "}", depth_lvl);
}
ThreadLocalRef(def_id) => {
print_indented!(self, "ThreadLocalRef {", depth_lvl);
print_indented!(self, format!("def_id: {:?}", def_id), depth_lvl + 1);
print_indented!(self, "}", depth_lvl);
}
Yield { value } => {
print_indented!(self, "Yield {", depth_lvl);
print_indented!(self, "value:", depth_lvl + 1);
self.print_expr(*value, depth_lvl + 2);
print_indented!(self, "}", depth_lvl);
}
}
}
fn print_adt_expr(&mut self, adt_expr: &AdtExpr<'tcx>, depth_lvl: usize) {
print_indented!(self, "adt_def:", depth_lvl);
self.print_adt_def(adt_expr.adt_def, depth_lvl + 1);
print_indented!(
self,
format!("variant_index: {:?}", adt_expr.variant_index),
depth_lvl + 1
);
print_indented!(self, format!("args: {:?}", adt_expr.args), depth_lvl + 1);
print_indented!(self, format!("user_ty: {:?}", adt_expr.user_ty), depth_lvl + 1);
for (i, field_expr) in adt_expr.fields.iter().enumerate() {
print_indented!(self, format!("field {}:", i), depth_lvl + 1);
self.print_expr(field_expr.expr, depth_lvl + 2);
}
match adt_expr.base {
AdtExprBase::Base(ref base) => {
print_indented!(self, "base:", depth_lvl + 1);
self.print_fru_info(base, depth_lvl + 2);
}
AdtExprBase::DefaultFields(_) => {
print_indented!(self, "base: {{ defaulted fields }}", depth_lvl + 1);
}
AdtExprBase::None => {
print_indented!(self, "base: None", depth_lvl + 1);
}
}
}
fn print_adt_def(&mut self, adt_def: ty::AdtDef<'tcx>, depth_lvl: usize) {
print_indented!(self, "AdtDef {", depth_lvl);
print_indented!(self, format!("did: {:?}", adt_def.did()), depth_lvl + 1);
print_indented!(self, format!("variants: {:?}", adt_def.variants()), depth_lvl + 1);
print_indented!(self, format!("flags: {:?}", adt_def.flags()), depth_lvl + 1);
print_indented!(self, format!("repr: {:?}", adt_def.repr()), depth_lvl + 1);
}
fn print_fru_info(&mut self, fru_info: &FruInfo<'tcx>, depth_lvl: usize) {
print_indented!(self, "FruInfo {", depth_lvl);
print_indented!(self, "base: ", depth_lvl + 1);
self.print_expr(fru_info.base, depth_lvl + 2);
print_indented!(self, "field_types: [", depth_lvl + 1);
for ty in fru_info.field_types.iter() {
print_indented!(self, format!("ty: {:?}", ty), depth_lvl + 2);
}
print_indented!(self, "}", depth_lvl);
}
fn print_arm(&mut self, arm_id: ArmId, depth_lvl: usize) {
print_indented!(self, "Arm {", depth_lvl);
let arm = &self.thir.arms[arm_id];
let Arm { pattern, guard, body, lint_level, scope, span } = arm;
print_indented!(self, "pattern: ", depth_lvl + 1);
self.print_pat(pattern, depth_lvl + 2);
if let Some(guard) = *guard {
print_indented!(self, "guard: ", depth_lvl + 1);
self.print_expr(guard, depth_lvl + 2);
} else {
print_indented!(self, "guard: None", depth_lvl + 1);
}
print_indented!(self, "body: ", depth_lvl + 1);
self.print_expr(*body, depth_lvl + 2);
print_indented!(self, format!("lint_level: {:?}", lint_level), depth_lvl + 1);
print_indented!(self, format!("scope: {:?}", scope), depth_lvl + 1);
print_indented!(self, format!("span: {:?}", span), depth_lvl + 1);
print_indented!(self, "}", depth_lvl);
}
fn print_pat(&mut self, pat: &Box<Pat<'tcx>>, depth_lvl: usize) {
let Pat { ty, span, kind } = &**pat;
print_indented!(self, "Pat: {", depth_lvl);
print_indented!(self, format!("ty: {:?}", ty), depth_lvl + 1);
print_indented!(self, format!("span: {:?}", span), depth_lvl + 1);
self.print_pat_kind(kind, depth_lvl + 1);
print_indented!(self, "}", depth_lvl);
}
fn print_pat_kind(&mut self, pat_kind: &PatKind<'tcx>, depth_lvl: usize) {
print_indented!(self, "kind: PatKind {", depth_lvl);
match pat_kind {
PatKind::Wild => {
print_indented!(self, "Wild", depth_lvl + 1);
}
PatKind::Never => {
print_indented!(self, "Never", depth_lvl + 1);
}
PatKind::AscribeUserType { ascription, subpattern } => {
print_indented!(self, "AscribeUserType: {", depth_lvl + 1);
print_indented!(self, format!("ascription: {:?}", ascription), depth_lvl + 2);
print_indented!(self, "subpattern: ", depth_lvl + 2);
self.print_pat(subpattern, depth_lvl + 3);
print_indented!(self, "}", depth_lvl + 1);
}
PatKind::Binding { name, mode, var, ty, subpattern, is_primary } => {
print_indented!(self, "Binding {", depth_lvl + 1);
print_indented!(self, format!("name: {:?}", name), depth_lvl + 2);
print_indented!(self, format!("mode: {:?}", mode), depth_lvl + 2);
print_indented!(self, format!("var: {:?}", var), depth_lvl + 2);
print_indented!(self, format!("ty: {:?}", ty), depth_lvl + 2);
print_indented!(self, format!("is_primary: {:?}", is_primary), depth_lvl + 2);
if let Some(subpattern) = subpattern {
print_indented!(self, "subpattern: Some( ", depth_lvl + 2);
self.print_pat(subpattern, depth_lvl + 3);
print_indented!(self, ")", depth_lvl + 2);
} else {
print_indented!(self, "subpattern: None", depth_lvl + 2);
}
print_indented!(self, "}", depth_lvl + 1);
}
PatKind::Variant { adt_def, args, variant_index, subpatterns } => {
print_indented!(self, "Variant {", depth_lvl + 1);
print_indented!(self, "adt_def: ", depth_lvl + 2);
self.print_adt_def(*adt_def, depth_lvl + 3);
print_indented!(self, format!("args: {:?}", args), depth_lvl + 2);
print_indented!(self, format!("variant_index: {:?}", variant_index), depth_lvl + 2);
if subpatterns.len() > 0 {
print_indented!(self, "subpatterns: [", depth_lvl + 2);
for field_pat in subpatterns.iter() {
self.print_pat(&field_pat.pattern, depth_lvl + 3);
}
print_indented!(self, "]", depth_lvl + 2);
} else {
print_indented!(self, "subpatterns: []", depth_lvl + 2);
}
print_indented!(self, "}", depth_lvl + 1);
}
PatKind::Leaf { subpatterns } => {
print_indented!(self, "Leaf { ", depth_lvl + 1);
print_indented!(self, "subpatterns: [", depth_lvl + 2);
for field_pat in subpatterns.iter() {
self.print_pat(&field_pat.pattern, depth_lvl + 3);
}
print_indented!(self, "]", depth_lvl + 2);
print_indented!(self, "}", depth_lvl + 1);
}
PatKind::Deref { subpattern } => {
print_indented!(self, "Deref { ", depth_lvl + 1);
print_indented!(self, "subpattern:", depth_lvl + 2);
self.print_pat(subpattern, depth_lvl + 2);
print_indented!(self, "}", depth_lvl + 1);
}
PatKind::DerefPattern { subpattern, .. } => {
print_indented!(self, "DerefPattern { ", depth_lvl + 1);
print_indented!(self, "subpattern:", depth_lvl + 2);
self.print_pat(subpattern, depth_lvl + 2);
print_indented!(self, "}", depth_lvl + 1);
}
PatKind::Constant { value } => {
print_indented!(self, "Constant {", depth_lvl + 1);
print_indented!(self, format!("value: {:?}", value), depth_lvl + 2);
print_indented!(self, "}", depth_lvl + 1);
}
PatKind::ExpandedConstant { def_id, is_inline, subpattern } => {
print_indented!(self, "ExpandedConstant {", depth_lvl + 1);
print_indented!(self, format!("def_id: {def_id:?}"), depth_lvl + 2);
print_indented!(self, format!("is_inline: {is_inline:?}"), depth_lvl + 2);
print_indented!(self, "subpattern:", depth_lvl + 2);
self.print_pat(subpattern, depth_lvl + 2);
print_indented!(self, "}", depth_lvl + 1);
}
PatKind::Range(pat_range) => {
print_indented!(self, format!("Range ( {:?} )", pat_range), depth_lvl + 1);
}
PatKind::Slice { prefix, slice, suffix } => {
print_indented!(self, "Slice {", depth_lvl + 1);
print_indented!(self, "prefix: [", depth_lvl + 2);
for prefix_pat in prefix.iter() {
self.print_pat(prefix_pat, depth_lvl + 3);
}
print_indented!(self, "]", depth_lvl + 2);
if let Some(slice) = slice {
print_indented!(self, "slice: ", depth_lvl + 2);
self.print_pat(slice, depth_lvl + 3);
}
print_indented!(self, "suffix: [", depth_lvl + 2);
for suffix_pat in suffix.iter() {
self.print_pat(suffix_pat, depth_lvl + 3);
}
print_indented!(self, "]", depth_lvl + 2);
print_indented!(self, "}", depth_lvl + 1);
}
PatKind::Array { prefix, slice, suffix } => {
print_indented!(self, "Array {", depth_lvl + 1);
print_indented!(self, "prefix: [", depth_lvl + 2);
for prefix_pat in prefix.iter() {
self.print_pat(prefix_pat, depth_lvl + 3);
}
print_indented!(self, "]", depth_lvl + 2);
if let Some(slice) = slice {
print_indented!(self, "slice: ", depth_lvl + 2);
self.print_pat(slice, depth_lvl + 3);
}
print_indented!(self, "suffix: [", depth_lvl + 2);
for suffix_pat in suffix.iter() {
self.print_pat(suffix_pat, depth_lvl + 3);
}
print_indented!(self, "]", depth_lvl + 2);
print_indented!(self, "}", depth_lvl + 1);
}
PatKind::Or { pats } => {
print_indented!(self, "Or {", depth_lvl + 1);
print_indented!(self, "pats: [", depth_lvl + 2);
for pat in pats.iter() {
self.print_pat(pat, depth_lvl + 3);
}
print_indented!(self, "]", depth_lvl + 2);
print_indented!(self, "}", depth_lvl + 1);
}
PatKind::Error(_) => {
print_indented!(self, "Error", depth_lvl + 1);
}
}
print_indented!(self, "}", depth_lvl);
}
fn print_closure_expr(&mut self, expr: &ClosureExpr<'tcx>, depth_lvl: usize) {
let ClosureExpr { closure_id, args, upvars, movability, fake_reads } = expr;
print_indented!(self, "ClosureExpr {", depth_lvl);
print_indented!(self, format!("closure_id: {:?}", closure_id), depth_lvl + 1);
print_indented!(self, format!("args: {:?}", args), depth_lvl + 1);
if upvars.len() > 0 {
print_indented!(self, "upvars: [", depth_lvl + 1);
for upvar in upvars.iter() {
self.print_expr(*upvar, depth_lvl + 2);
print_indented!(self, ",", depth_lvl + 1);
}
print_indented!(self, "]", depth_lvl + 1);
} else {
print_indented!(self, "upvars: []", depth_lvl + 1);
}
print_indented!(self, format!("movability: {:?}", movability), depth_lvl + 1);
if fake_reads.len() > 0 {
print_indented!(self, "fake_reads: [", depth_lvl + 1);
for (fake_read_expr, cause, hir_id) in fake_reads.iter() {
print_indented!(self, "(", depth_lvl + 2);
self.print_expr(*fake_read_expr, depth_lvl + 3);
print_indented!(self, ",", depth_lvl + 2);
print_indented!(self, format!("cause: {:?}", cause), depth_lvl + 3);
print_indented!(self, ",", depth_lvl + 2);
print_indented!(self, format!("hir_id: {:?}", hir_id), depth_lvl + 3);
print_indented!(self, "),", depth_lvl + 2);
}
print_indented!(self, "]", depth_lvl + 1);
} else {
print_indented!(self, "fake_reads: []", depth_lvl + 1);
}
print_indented!(self, "}", depth_lvl);
}
fn print_inline_asm_expr(&mut self, expr: &InlineAsmExpr<'tcx>, depth_lvl: usize) {
let InlineAsmExpr { asm_macro, template, operands, options, line_spans } = expr;
print_indented!(self, "InlineAsmExpr {", depth_lvl);
print_indented!(self, format!("asm_macro: {:?}", asm_macro), depth_lvl + 1);
print_indented!(self, "template: [", depth_lvl + 1);
for template_piece in template.iter() {
print_indented!(self, format!("{:?}", template_piece), depth_lvl + 2);
}
print_indented!(self, "]", depth_lvl + 1);
print_indented!(self, "operands: [", depth_lvl + 1);
for operand in operands.iter() {
self.print_inline_operand(operand, depth_lvl + 2);
}
print_indented!(self, "]", depth_lvl + 1);
print_indented!(self, format!("options: {:?}", options), depth_lvl + 1);
print_indented!(self, format!("line_spans: {:?}", line_spans), depth_lvl + 1);
}
fn print_inline_operand(&mut self, operand: &InlineAsmOperand<'tcx>, depth_lvl: usize) {
match operand {
InlineAsmOperand::In { reg, expr } => {
print_indented!(self, "InlineAsmOperand::In {", depth_lvl);
print_indented!(self, format!("reg: {:?}", reg), depth_lvl + 1);
print_indented!(self, "expr: ", depth_lvl + 1);
self.print_expr(*expr, depth_lvl + 2);
print_indented!(self, "}", depth_lvl + 1);
}
InlineAsmOperand::Out { reg, late, expr } => {
print_indented!(self, "InlineAsmOperand::Out {", depth_lvl);
print_indented!(self, format!("reg: {:?}", reg), depth_lvl + 1);
print_indented!(self, format!("late: {:?}", late), depth_lvl + 1);
if let Some(out) = expr {
print_indented!(self, "place: Some( ", depth_lvl + 1);
self.print_expr(*out, depth_lvl + 2);
print_indented!(self, ")", depth_lvl + 1);
} else {
print_indented!(self, "place: None", depth_lvl + 1);
}
print_indented!(self, "}", depth_lvl + 1);
}
InlineAsmOperand::InOut { reg, late, expr } => {
print_indented!(self, "InlineAsmOperand::InOut {", depth_lvl);
print_indented!(self, format!("reg: {:?}", reg), depth_lvl + 1);
print_indented!(self, format!("late: {:?}", late), depth_lvl + 1);
print_indented!(self, "expr: ", depth_lvl + 1);
self.print_expr(*expr, depth_lvl + 2);
print_indented!(self, "}", depth_lvl + 1);
}
InlineAsmOperand::SplitInOut { reg, late, in_expr, out_expr } => {
print_indented!(self, "InlineAsmOperand::SplitInOut {", depth_lvl);
print_indented!(self, format!("reg: {:?}", reg), depth_lvl + 1);
print_indented!(self, format!("late: {:?}", late), depth_lvl + 1);
print_indented!(self, "in_expr: ", depth_lvl + 1);
self.print_expr(*in_expr, depth_lvl + 2);
if let Some(out_expr) = out_expr {
print_indented!(self, "out_expr: Some( ", depth_lvl + 1);
self.print_expr(*out_expr, depth_lvl + 2);
print_indented!(self, ")", depth_lvl + 1);
} else {
print_indented!(self, "out_expr: None", depth_lvl + 1);
}
print_indented!(self, "}", depth_lvl + 1);
}
InlineAsmOperand::Const { value, span } => {
print_indented!(self, "InlineAsmOperand::Const {", depth_lvl);
print_indented!(self, format!("value: {:?}", value), depth_lvl + 1);
print_indented!(self, format!("span: {:?}", span), depth_lvl + 1);
print_indented!(self, "}", depth_lvl + 1);
}
InlineAsmOperand::SymFn { value, span } => {
print_indented!(self, "InlineAsmOperand::SymFn {", depth_lvl);
print_indented!(self, format!("value: {:?}", *value), depth_lvl + 1);
print_indented!(self, format!("span: {:?}", span), depth_lvl + 1);
print_indented!(self, "}", depth_lvl + 1);
}
InlineAsmOperand::SymStatic { def_id } => {
print_indented!(self, "InlineAsmOperand::SymStatic {", depth_lvl);
print_indented!(self, format!("def_id: {:?}", def_id), depth_lvl + 1);
print_indented!(self, "}", depth_lvl + 1);
}
InlineAsmOperand::Label { block } => {
print_indented!(self, "InlineAsmOperand::Block {", depth_lvl);
print_indented!(self, "block:", depth_lvl + 1);
self.print_block(*block, depth_lvl + 2);
print_indented!(self, "}", depth_lvl + 1);
}
}
}
}