mirror of
https://github.com/rust-lang/rust-analyzer.git
synced 2025-11-03 13:13:18 +00:00
648 lines
24 KiB
Rust
648 lines
24 KiB
Rust
//! `ItemTree` debug printer.
|
|
|
|
use std::fmt::{self, Write};
|
|
|
|
use span::ErasedFileAstId;
|
|
|
|
use crate::{
|
|
generics::{TypeOrConstParamData, WherePredicate, WherePredicateTypeTarget},
|
|
item_tree::{
|
|
AttrOwner, Const, DefDatabase, Enum, ExternBlock, ExternCrate, Field, FieldAstId, Fields,
|
|
FileItemTreeId, FnFlags, Function, GenericModItem, GenericParams, Impl, Interned, ItemTree,
|
|
Macro2, MacroCall, MacroRules, Mod, ModItem, ModKind, Param, ParamAstId, Path, RawAttrs,
|
|
RawVisibilityId, Static, Struct, Trait, TraitAlias, TypeAlias, TypeBound, TypeRef, Union,
|
|
Use, UseTree, UseTreeKind, Variant,
|
|
},
|
|
pretty::{print_path, print_type_bounds, print_type_ref},
|
|
visibility::RawVisibility,
|
|
};
|
|
|
|
pub(super) fn print_item_tree(db: &dyn DefDatabase, tree: &ItemTree) -> String {
|
|
let mut p = Printer { db, tree, buf: String::new(), indent_level: 0, needs_indent: true };
|
|
|
|
if let Some(attrs) = tree.attrs.get(&AttrOwner::TopLevel) {
|
|
p.print_attrs(attrs, true, "\n");
|
|
}
|
|
p.blank();
|
|
|
|
for item in tree.top_level_items() {
|
|
p.print_mod_item(*item);
|
|
}
|
|
|
|
let mut s = p.buf.trim_end_matches('\n').to_owned();
|
|
s.push('\n');
|
|
s
|
|
}
|
|
|
|
macro_rules! w {
|
|
($dst:expr, $($arg:tt)*) => {
|
|
{ let _ = write!($dst, $($arg)*); }
|
|
};
|
|
}
|
|
|
|
macro_rules! wln {
|
|
($dst:expr) => {
|
|
{ let _ = writeln!($dst); }
|
|
};
|
|
($dst:expr, $($arg:tt)*) => {
|
|
{ let _ = writeln!($dst, $($arg)*); }
|
|
};
|
|
}
|
|
|
|
struct Printer<'a> {
|
|
db: &'a dyn DefDatabase,
|
|
tree: &'a ItemTree,
|
|
buf: String,
|
|
indent_level: usize,
|
|
needs_indent: bool,
|
|
}
|
|
|
|
impl Printer<'_> {
|
|
fn indented(&mut self, f: impl FnOnce(&mut Self)) {
|
|
self.indent_level += 1;
|
|
wln!(self);
|
|
f(self);
|
|
self.indent_level -= 1;
|
|
self.buf = self.buf.trim_end_matches('\n').to_owned();
|
|
}
|
|
|
|
/// Ensures that a blank line is output before the next text.
|
|
fn blank(&mut self) {
|
|
let mut iter = self.buf.chars().rev().fuse();
|
|
match (iter.next(), iter.next()) {
|
|
(Some('\n'), Some('\n') | None) | (None, None) => {}
|
|
(Some('\n'), Some(_)) => {
|
|
self.buf.push('\n');
|
|
}
|
|
(Some(_), _) => {
|
|
self.buf.push('\n');
|
|
self.buf.push('\n');
|
|
}
|
|
(None, Some(_)) => unreachable!(),
|
|
}
|
|
}
|
|
|
|
fn whitespace(&mut self) {
|
|
match self.buf.chars().next_back() {
|
|
None | Some('\n' | ' ') => {}
|
|
_ => self.buf.push(' '),
|
|
}
|
|
}
|
|
|
|
fn print_attrs(&mut self, attrs: &RawAttrs, inner: bool, separated_by: &str) {
|
|
let inner = if inner { "!" } else { "" };
|
|
for attr in &**attrs {
|
|
w!(
|
|
self,
|
|
"#{}[{}{}]{}",
|
|
inner,
|
|
attr.path.display(self.db.upcast()),
|
|
attr.input.as_ref().map(|it| it.to_string()).unwrap_or_default(),
|
|
separated_by,
|
|
);
|
|
}
|
|
}
|
|
|
|
fn print_attrs_of(&mut self, of: impl Into<AttrOwner>, separated_by: &str) {
|
|
if let Some(attrs) = self.tree.attrs.get(&of.into()) {
|
|
self.print_attrs(attrs, false, separated_by);
|
|
}
|
|
}
|
|
|
|
fn print_visibility(&mut self, vis: RawVisibilityId) {
|
|
match &self.tree[vis] {
|
|
RawVisibility::Module(path, _expl) => {
|
|
w!(self, "pub({}) ", path.display(self.db.upcast()))
|
|
}
|
|
RawVisibility::Public => w!(self, "pub "),
|
|
};
|
|
}
|
|
|
|
fn print_fields(&mut self, fields: &Fields) {
|
|
match fields {
|
|
Fields::Record(fields) => {
|
|
self.whitespace();
|
|
w!(self, "{{");
|
|
self.indented(|this| {
|
|
for field in fields.clone() {
|
|
let Field { visibility, name, type_ref, ast_id } = &this.tree[field];
|
|
this.print_ast_id(match ast_id {
|
|
FieldAstId::Record(it) => it.erase(),
|
|
FieldAstId::Tuple(it) => it.erase(),
|
|
});
|
|
this.print_attrs_of(field, "\n");
|
|
this.print_visibility(*visibility);
|
|
w!(this, "{}: ", name.display(self.db.upcast()));
|
|
this.print_type_ref(type_ref);
|
|
wln!(this, ",");
|
|
}
|
|
});
|
|
w!(self, "}}");
|
|
}
|
|
Fields::Tuple(fields) => {
|
|
w!(self, "(");
|
|
self.indented(|this| {
|
|
for field in fields.clone() {
|
|
let Field { visibility, name, type_ref, ast_id } = &this.tree[field];
|
|
this.print_ast_id(match ast_id {
|
|
FieldAstId::Record(it) => it.erase(),
|
|
FieldAstId::Tuple(it) => it.erase(),
|
|
});
|
|
this.print_attrs_of(field, "\n");
|
|
this.print_visibility(*visibility);
|
|
w!(this, "{}: ", name.display(self.db.upcast()));
|
|
this.print_type_ref(type_ref);
|
|
wln!(this, ",");
|
|
}
|
|
});
|
|
w!(self, ")");
|
|
}
|
|
Fields::Unit => {}
|
|
}
|
|
}
|
|
|
|
fn print_fields_and_where_clause(&mut self, fields: &Fields, params: &GenericParams) {
|
|
match fields {
|
|
Fields::Record(_) => {
|
|
if self.print_where_clause(params) {
|
|
wln!(self);
|
|
}
|
|
self.print_fields(fields);
|
|
}
|
|
Fields::Unit => {
|
|
self.print_where_clause(params);
|
|
self.print_fields(fields);
|
|
}
|
|
Fields::Tuple(_) => {
|
|
self.print_fields(fields);
|
|
self.print_where_clause(params);
|
|
}
|
|
}
|
|
}
|
|
|
|
fn print_use_tree(&mut self, use_tree: &UseTree) {
|
|
match &use_tree.kind {
|
|
UseTreeKind::Single { path, alias } => {
|
|
w!(self, "{}", path.display(self.db.upcast()));
|
|
if let Some(alias) = alias {
|
|
w!(self, " as {}", alias);
|
|
}
|
|
}
|
|
UseTreeKind::Glob { path } => {
|
|
if let Some(path) = path {
|
|
w!(self, "{}::", path.display(self.db.upcast()));
|
|
}
|
|
w!(self, "*");
|
|
}
|
|
UseTreeKind::Prefixed { prefix, list } => {
|
|
if let Some(prefix) = prefix {
|
|
w!(self, "{}::", prefix.display(self.db.upcast()));
|
|
}
|
|
w!(self, "{{");
|
|
for (i, tree) in list.iter().enumerate() {
|
|
if i != 0 {
|
|
w!(self, ", ");
|
|
}
|
|
self.print_use_tree(tree);
|
|
}
|
|
w!(self, "}}");
|
|
}
|
|
}
|
|
}
|
|
|
|
fn print_mod_item(&mut self, item: ModItem) {
|
|
self.print_attrs_of(item, "\n");
|
|
|
|
match item {
|
|
ModItem::Use(it) => {
|
|
let Use { visibility, use_tree, ast_id } = &self.tree[it];
|
|
self.print_ast_id(ast_id.erase());
|
|
self.print_visibility(*visibility);
|
|
w!(self, "use ");
|
|
self.print_use_tree(use_tree);
|
|
wln!(self, ";");
|
|
}
|
|
ModItem::ExternCrate(it) => {
|
|
let ExternCrate { name, alias, visibility, ast_id } = &self.tree[it];
|
|
self.print_ast_id(ast_id.erase());
|
|
self.print_visibility(*visibility);
|
|
w!(self, "extern crate {}", name.display(self.db.upcast()));
|
|
if let Some(alias) = alias {
|
|
w!(self, " as {}", alias);
|
|
}
|
|
wln!(self, ";");
|
|
}
|
|
ModItem::ExternBlock(it) => {
|
|
let ExternBlock { abi, ast_id, children } = &self.tree[it];
|
|
self.print_ast_id(ast_id.erase());
|
|
w!(self, "extern ");
|
|
if let Some(abi) = abi {
|
|
w!(self, "\"{}\" ", abi);
|
|
}
|
|
w!(self, "{{");
|
|
self.indented(|this| {
|
|
for child in &**children {
|
|
this.print_mod_item(*child);
|
|
}
|
|
});
|
|
wln!(self, "}}");
|
|
}
|
|
ModItem::Function(it) => {
|
|
let Function {
|
|
name,
|
|
visibility,
|
|
explicit_generic_params,
|
|
abi,
|
|
params,
|
|
ret_type,
|
|
ast_id,
|
|
flags,
|
|
} = &self.tree[it];
|
|
self.print_ast_id(ast_id.erase());
|
|
self.print_visibility(*visibility);
|
|
if flags.contains(FnFlags::HAS_DEFAULT_KW) {
|
|
w!(self, "default ");
|
|
}
|
|
if flags.contains(FnFlags::HAS_CONST_KW) {
|
|
w!(self, "const ");
|
|
}
|
|
if flags.contains(FnFlags::HAS_ASYNC_KW) {
|
|
w!(self, "async ");
|
|
}
|
|
if flags.contains(FnFlags::HAS_UNSAFE_KW) {
|
|
w!(self, "unsafe ");
|
|
}
|
|
if let Some(abi) = abi {
|
|
w!(self, "extern \"{}\" ", abi);
|
|
}
|
|
w!(self, "fn {}", name.display(self.db.upcast()));
|
|
self.print_generic_params(explicit_generic_params, it.into());
|
|
w!(self, "(");
|
|
if !params.is_empty() {
|
|
self.indented(|this| {
|
|
for param in params.clone() {
|
|
this.print_attrs_of(param, "\n");
|
|
let Param { type_ref, ast_id } = &this.tree[param];
|
|
this.print_ast_id(match ast_id {
|
|
ParamAstId::Param(it) => it.erase(),
|
|
ParamAstId::SelfParam(it) => it.erase(),
|
|
});
|
|
match type_ref {
|
|
Some(ty) => {
|
|
if flags.contains(FnFlags::HAS_SELF_PARAM) {
|
|
w!(this, "self: ");
|
|
}
|
|
this.print_type_ref(ty);
|
|
wln!(this, ",");
|
|
}
|
|
None => {
|
|
wln!(this, "...");
|
|
}
|
|
};
|
|
}
|
|
});
|
|
}
|
|
w!(self, ") -> ");
|
|
self.print_type_ref(ret_type);
|
|
self.print_where_clause(explicit_generic_params);
|
|
if flags.contains(FnFlags::HAS_BODY) {
|
|
wln!(self, " {{ ... }}");
|
|
} else {
|
|
wln!(self, ";");
|
|
}
|
|
}
|
|
ModItem::Struct(it) => {
|
|
let Struct { visibility, name, fields, generic_params, ast_id } = &self.tree[it];
|
|
self.print_ast_id(ast_id.erase());
|
|
self.print_visibility(*visibility);
|
|
w!(self, "struct {}", name.display(self.db.upcast()));
|
|
self.print_generic_params(generic_params, it.into());
|
|
self.print_fields_and_where_clause(fields, generic_params);
|
|
if matches!(fields, Fields::Record(_)) {
|
|
wln!(self);
|
|
} else {
|
|
wln!(self, ";");
|
|
}
|
|
}
|
|
ModItem::Union(it) => {
|
|
let Union { name, visibility, fields, generic_params, ast_id } = &self.tree[it];
|
|
self.print_ast_id(ast_id.erase());
|
|
self.print_visibility(*visibility);
|
|
w!(self, "union {}", name.display(self.db.upcast()));
|
|
self.print_generic_params(generic_params, it.into());
|
|
self.print_fields_and_where_clause(fields, generic_params);
|
|
if matches!(fields, Fields::Record(_)) {
|
|
wln!(self);
|
|
} else {
|
|
wln!(self, ";");
|
|
}
|
|
}
|
|
ModItem::Enum(it) => {
|
|
let Enum { name, visibility, variants, generic_params, ast_id } = &self.tree[it];
|
|
self.print_ast_id(ast_id.erase());
|
|
self.print_visibility(*visibility);
|
|
w!(self, "enum {}", name.display(self.db.upcast()));
|
|
self.print_generic_params(generic_params, it.into());
|
|
self.print_where_clause_and_opening_brace(generic_params);
|
|
self.indented(|this| {
|
|
for variant in FileItemTreeId::range_iter(variants.clone()) {
|
|
let Variant { name, fields, ast_id } = &this.tree[variant];
|
|
this.print_ast_id(ast_id.erase());
|
|
this.print_attrs_of(variant, "\n");
|
|
w!(this, "{}", name.display(self.db.upcast()));
|
|
this.print_fields(fields);
|
|
wln!(this, ",");
|
|
}
|
|
});
|
|
wln!(self, "}}");
|
|
}
|
|
ModItem::Const(it) => {
|
|
let Const { name, visibility, type_ref, ast_id, has_body: _ } = &self.tree[it];
|
|
self.print_ast_id(ast_id.erase());
|
|
self.print_visibility(*visibility);
|
|
w!(self, "const ");
|
|
match name {
|
|
Some(name) => w!(self, "{}", name.display(self.db.upcast())),
|
|
None => w!(self, "_"),
|
|
}
|
|
w!(self, ": ");
|
|
self.print_type_ref(type_ref);
|
|
wln!(self, " = _;");
|
|
}
|
|
ModItem::Static(it) => {
|
|
let Static { name, visibility, mutable, type_ref, ast_id } = &self.tree[it];
|
|
self.print_ast_id(ast_id.erase());
|
|
self.print_visibility(*visibility);
|
|
w!(self, "static ");
|
|
if *mutable {
|
|
w!(self, "mut ");
|
|
}
|
|
w!(self, "{}: ", name.display(self.db.upcast()));
|
|
self.print_type_ref(type_ref);
|
|
w!(self, " = _;");
|
|
wln!(self);
|
|
}
|
|
ModItem::Trait(it) => {
|
|
let Trait { name, visibility, is_auto, is_unsafe, items, generic_params, ast_id } =
|
|
&self.tree[it];
|
|
self.print_ast_id(ast_id.erase());
|
|
self.print_visibility(*visibility);
|
|
if *is_unsafe {
|
|
w!(self, "unsafe ");
|
|
}
|
|
if *is_auto {
|
|
w!(self, "auto ");
|
|
}
|
|
w!(self, "trait {}", name.display(self.db.upcast()));
|
|
self.print_generic_params(generic_params, it.into());
|
|
self.print_where_clause_and_opening_brace(generic_params);
|
|
self.indented(|this| {
|
|
for item in &**items {
|
|
this.print_mod_item((*item).into());
|
|
}
|
|
});
|
|
wln!(self, "}}");
|
|
}
|
|
ModItem::TraitAlias(it) => {
|
|
let TraitAlias { name, visibility, generic_params, ast_id } = &self.tree[it];
|
|
self.print_ast_id(ast_id.erase());
|
|
self.print_visibility(*visibility);
|
|
w!(self, "trait {}", name.display(self.db.upcast()));
|
|
self.print_generic_params(generic_params, it.into());
|
|
w!(self, " = ");
|
|
self.print_where_clause(generic_params);
|
|
w!(self, ";");
|
|
wln!(self);
|
|
}
|
|
ModItem::Impl(it) => {
|
|
let Impl {
|
|
target_trait,
|
|
self_ty,
|
|
is_negative,
|
|
is_unsafe,
|
|
items,
|
|
generic_params,
|
|
ast_id,
|
|
} = &self.tree[it];
|
|
self.print_ast_id(ast_id.erase());
|
|
if *is_unsafe {
|
|
w!(self, "unsafe");
|
|
}
|
|
w!(self, "impl");
|
|
self.print_generic_params(generic_params, it.into());
|
|
w!(self, " ");
|
|
if *is_negative {
|
|
w!(self, "!");
|
|
}
|
|
if let Some(tr) = target_trait {
|
|
self.print_path(&tr.path);
|
|
w!(self, " for ");
|
|
}
|
|
self.print_type_ref(self_ty);
|
|
self.print_where_clause_and_opening_brace(generic_params);
|
|
self.indented(|this| {
|
|
for item in &**items {
|
|
this.print_mod_item((*item).into());
|
|
}
|
|
});
|
|
wln!(self, "}}");
|
|
}
|
|
ModItem::TypeAlias(it) => {
|
|
let TypeAlias { name, visibility, bounds, type_ref, generic_params, ast_id } =
|
|
&self.tree[it];
|
|
self.print_ast_id(ast_id.erase());
|
|
self.print_visibility(*visibility);
|
|
w!(self, "type {}", name.display(self.db.upcast()));
|
|
self.print_generic_params(generic_params, it.into());
|
|
if !bounds.is_empty() {
|
|
w!(self, ": ");
|
|
self.print_type_bounds(bounds);
|
|
}
|
|
if let Some(ty) = type_ref {
|
|
w!(self, " = ");
|
|
self.print_type_ref(ty);
|
|
}
|
|
self.print_where_clause(generic_params);
|
|
w!(self, ";");
|
|
wln!(self);
|
|
}
|
|
ModItem::Mod(it) => {
|
|
let Mod { name, visibility, kind, ast_id } = &self.tree[it];
|
|
self.print_ast_id(ast_id.erase());
|
|
self.print_visibility(*visibility);
|
|
w!(self, "mod {}", name.display(self.db.upcast()));
|
|
match kind {
|
|
ModKind::Inline { items } => {
|
|
w!(self, " {{");
|
|
self.indented(|this| {
|
|
for item in &**items {
|
|
this.print_mod_item(*item);
|
|
}
|
|
});
|
|
wln!(self, "}}");
|
|
}
|
|
ModKind::Outline => {
|
|
wln!(self, ";");
|
|
}
|
|
}
|
|
}
|
|
ModItem::MacroCall(it) => {
|
|
let MacroCall { path, ast_id, expand_to, ctxt } = &self.tree[it];
|
|
let _ = writeln!(
|
|
self,
|
|
"// AstId: {:?}, SyntaxContext: {}, ExpandTo: {:?}",
|
|
ast_id.erase().into_raw(),
|
|
ctxt,
|
|
expand_to
|
|
);
|
|
wln!(self, "{}!(...);", path.display(self.db.upcast()));
|
|
}
|
|
ModItem::MacroRules(it) => {
|
|
let MacroRules { name, ast_id } = &self.tree[it];
|
|
self.print_ast_id(ast_id.erase());
|
|
wln!(self, "macro_rules! {} {{ ... }}", name.display(self.db.upcast()));
|
|
}
|
|
ModItem::Macro2(it) => {
|
|
let Macro2 { name, visibility, ast_id } = &self.tree[it];
|
|
self.print_ast_id(ast_id.erase());
|
|
self.print_visibility(*visibility);
|
|
wln!(self, "macro {} {{ ... }}", name.display(self.db.upcast()));
|
|
}
|
|
}
|
|
|
|
self.blank();
|
|
}
|
|
|
|
fn print_type_ref(&mut self, type_ref: &TypeRef) {
|
|
print_type_ref(self.db, type_ref, self).unwrap();
|
|
}
|
|
|
|
fn print_type_bounds(&mut self, bounds: &[Interned<TypeBound>]) {
|
|
print_type_bounds(self.db, bounds, self).unwrap();
|
|
}
|
|
|
|
fn print_path(&mut self, path: &Path) {
|
|
print_path(self.db, path, self).unwrap();
|
|
}
|
|
|
|
fn print_generic_params(&mut self, params: &GenericParams, parent: GenericModItem) {
|
|
if params.is_empty() {
|
|
return;
|
|
}
|
|
|
|
w!(self, "<");
|
|
let mut first = true;
|
|
for (idx, lt) in params.lifetimes.iter() {
|
|
if !first {
|
|
w!(self, ", ");
|
|
}
|
|
first = false;
|
|
self.print_attrs_of(AttrOwner::LifetimeParamData(parent, idx), " ");
|
|
w!(self, "{}", lt.name.display(self.db.upcast()));
|
|
}
|
|
for (idx, x) in params.type_or_consts.iter() {
|
|
if !first {
|
|
w!(self, ", ");
|
|
}
|
|
first = false;
|
|
self.print_attrs_of(AttrOwner::TypeOrConstParamData(parent, idx), " ");
|
|
match x {
|
|
TypeOrConstParamData::TypeParamData(ty) => match &ty.name {
|
|
Some(name) => w!(self, "{}", name.display(self.db.upcast())),
|
|
None => w!(self, "_anon_{}", idx.into_raw()),
|
|
},
|
|
TypeOrConstParamData::ConstParamData(konst) => {
|
|
w!(self, "const {}: ", konst.name.display(self.db.upcast()));
|
|
self.print_type_ref(&konst.ty);
|
|
}
|
|
}
|
|
}
|
|
w!(self, ">");
|
|
}
|
|
|
|
fn print_where_clause_and_opening_brace(&mut self, params: &GenericParams) {
|
|
if self.print_where_clause(params) {
|
|
w!(self, "\n{{");
|
|
} else {
|
|
self.whitespace();
|
|
w!(self, "{{");
|
|
}
|
|
}
|
|
|
|
fn print_where_clause(&mut self, params: &GenericParams) -> bool {
|
|
if params.where_predicates.is_empty() {
|
|
return false;
|
|
}
|
|
|
|
w!(self, "\nwhere");
|
|
self.indented(|this| {
|
|
for (i, pred) in params.where_predicates.iter().enumerate() {
|
|
if i != 0 {
|
|
wln!(this, ",");
|
|
}
|
|
|
|
let (target, bound) = match pred {
|
|
WherePredicate::TypeBound { target, bound } => (target, bound),
|
|
WherePredicate::Lifetime { target, bound } => {
|
|
wln!(
|
|
this,
|
|
"{}: {},",
|
|
target.name.display(self.db.upcast()),
|
|
bound.name.display(self.db.upcast())
|
|
);
|
|
continue;
|
|
}
|
|
WherePredicate::ForLifetime { lifetimes, target, bound } => {
|
|
w!(this, "for<");
|
|
for (i, lt) in lifetimes.iter().enumerate() {
|
|
if i != 0 {
|
|
w!(this, ", ");
|
|
}
|
|
w!(this, "{}", lt.display(self.db.upcast()));
|
|
}
|
|
w!(this, "> ");
|
|
(target, bound)
|
|
}
|
|
};
|
|
|
|
match target {
|
|
WherePredicateTypeTarget::TypeRef(ty) => this.print_type_ref(ty),
|
|
WherePredicateTypeTarget::TypeOrConstParam(id) => {
|
|
match ¶ms.type_or_consts[*id].name() {
|
|
Some(name) => w!(this, "{}", name.display(self.db.upcast())),
|
|
None => w!(this, "_anon_{}", id.into_raw()),
|
|
}
|
|
}
|
|
}
|
|
w!(this, ": ");
|
|
this.print_type_bounds(std::slice::from_ref(bound));
|
|
}
|
|
});
|
|
true
|
|
}
|
|
|
|
fn print_ast_id(&mut self, ast_id: ErasedFileAstId) {
|
|
wln!(self, "// AstId: {:?}", ast_id.into_raw());
|
|
}
|
|
}
|
|
|
|
impl Write for Printer<'_> {
|
|
fn write_str(&mut self, s: &str) -> fmt::Result {
|
|
for line in s.split_inclusive('\n') {
|
|
if self.needs_indent {
|
|
match self.buf.chars().last() {
|
|
Some('\n') | None => {}
|
|
_ => self.buf.push('\n'),
|
|
}
|
|
self.buf.push_str(&" ".repeat(self.indent_level));
|
|
self.needs_indent = false;
|
|
}
|
|
|
|
self.buf.push_str(line);
|
|
self.needs_indent = line.ends_with('\n');
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
}
|