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Replace all single character variable names

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This commit is contained in:
David Tolnay 2022-01-19 18:44:17 -08:00
parent ea23a1fac7
commit d5f15a8c18
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GPG key ID: F9BA143B95FF6D82
1 changed files with 49 additions and 47 deletions
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96
compiler/rustc_ast_pretty/src/pp.rs
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@ -248,8 +248,8 @@ impl Printer {
}
/// Be very careful with this!
pub fn replace_last_token_still_buffered(&mut self, t: Token) {
self.buf.last_mut().unwrap().token = t;
pub fn replace_last_token_still_buffered(&mut self, token: Token) {
self.buf.last_mut().unwrap().token = token;
}
fn scan_eof(&mut self) {
@ -259,13 +259,13 @@ impl Printer {
}
}
fn scan_begin(&mut self, b: BeginToken) {
fn scan_begin(&mut self, token: BeginToken) {
if self.scan_stack.is_empty() {
self.left_total = 1;
self.right_total = 1;
self.buf.clear();
}
let right = self.buf.push(BufEntry { token: Token::Begin(b), size: -self.right_total });
let right = self.buf.push(BufEntry { token: Token::Begin(token), size: -self.right_total });
self.scan_stack.push_back(right);
}
@ -278,7 +278,7 @@ impl Printer {
}
}
fn scan_break(&mut self, b: BreakToken) {
fn scan_break(&mut self, token: BreakToken) {
if self.scan_stack.is_empty() {
self.left_total = 1;
self.right_total = 1;
@ -286,17 +286,17 @@ impl Printer {
} else {
self.check_stack(0);
}
let right = self.buf.push(BufEntry { token: Token::Break(b), size: -self.right_total });
let right = self.buf.push(BufEntry { token: Token::Break(token), size: -self.right_total });
self.scan_stack.push_back(right);
self.right_total += b.blank_space;
self.right_total += token.blank_space;
}
fn scan_string(&mut self, s: Cow<'static, str>) {
fn scan_string(&mut self, string: Cow<'static, str>) {
if self.scan_stack.is_empty() {
self.print_string(&s);
self.print_string(&string);
} else {
let len = s.len() as isize;
self.buf.push(BufEntry { token: Token::String(s), size: len });
let len = string.len() as isize;
self.buf.push(BufEntry { token: Token::String(string), size: len });
self.right_total += len;
self.check_stream();
}
@ -320,15 +320,15 @@ impl Printer {
let left = self.buf.pop_first().unwrap();
match &left.token {
Token::String(s) => {
self.left_total += s.len() as isize;
self.print_string(s);
Token::String(string) => {
self.left_total += string.len() as isize;
self.print_string(string);
}
Token::Break(b) => {
self.left_total += b.blank_space;
self.print_break(*b, left.size);
Token::Break(token) => {
self.left_total += token.blank_space;
self.print_break(*token, left.size);
}
Token::Begin(b) => self.print_begin(*b, left.size),
Token::Begin(token) => self.print_begin(*token, left.size),
Token::End => self.print_end(),
}
@ -340,28 +340,28 @@ impl Printer {
}
}
fn check_stack(&mut self, mut k: usize) {
while let Some(&x) = self.scan_stack.back() {
let mut entry = &mut self.buf[x];
fn check_stack(&mut self, mut depth: usize) {
while let Some(&index) = self.scan_stack.back() {
let mut entry = &mut self.buf[index];
match entry.token {
Token::Begin(_) => {
if k == 0 {
if depth == 0 {
break;
}
self.scan_stack.pop_back().unwrap();
entry.size += self.right_total;
k -= 1;
depth -= 1;
}
Token::End => {
// paper says + not =, but that makes no sense.
self.scan_stack.pop_back().unwrap();
entry.size = 1;
k += 1;
depth += 1;
}
_ => {
self.scan_stack.pop_back().unwrap();
entry.size += self.right_total;
if k == 0 {
if depth == 0 {
break;
}
}
@ -385,11 +385,13 @@ impl Printer {
})
}
fn print_begin(&mut self, b: BeginToken, l: isize) {
if l > self.space {
let col = self.margin - self.space + b.offset;
self.print_stack
.push(PrintStackElem { offset: col, pbreak: PrintStackBreak::Broken(b.breaks) });
fn print_begin(&mut self, token: BeginToken, size: isize) {
if size > self.space {
let col = self.margin - self.space + token.offset;
self.print_stack.push(PrintStackElem {
offset: col,
pbreak: PrintStackBreak::Broken(token.breaks),
});
} else {
self.print_stack.push(PrintStackElem { offset: 0, pbreak: PrintStackBreak::Fits });
}
@ -399,31 +401,31 @@ impl Printer {
self.print_stack.pop().unwrap();
}
fn print_break(&mut self, b: BreakToken, l: isize) {
fn print_break(&mut self, token: BreakToken, size: isize) {
let top = self.get_top();
match top.pbreak {
PrintStackBreak::Fits => {
self.space -= b.blank_space;
self.indent(b.blank_space);
self.space -= token.blank_space;
self.indent(token.blank_space);
}
PrintStackBreak::Broken(Breaks::Consistent) => {
self.print_newline(top.offset + b.offset);
self.space = self.margin - (top.offset + b.offset);
self.print_newline(top.offset + token.offset);
self.space = self.margin - (top.offset + token.offset);
}
PrintStackBreak::Broken(Breaks::Inconsistent) => {
if l > self.space {
self.print_newline(top.offset + b.offset);
self.space = self.margin - (top.offset + b.offset);
if size > self.space {
self.print_newline(top.offset + token.offset);
self.space = self.margin - (top.offset + token.offset);
} else {
self.indent(b.blank_space);
self.space -= b.blank_space;
self.indent(token.blank_space);
self.space -= token.blank_space;
}
}
}
}
fn print_string(&mut self, s: &str) {
let len = s.len() as isize;
fn print_string(&mut self, string: &str) {
let len = string.len() as isize;
// assert!(len <= space);
self.space -= len;
@ -436,14 +438,14 @@ impl Printer {
self.out.reserve(self.pending_indentation as usize);
self.out.extend(std::iter::repeat(' ').take(self.pending_indentation as usize));
self.pending_indentation = 0;
self.out.push_str(s);
self.out.push_str(string);
}
// Convenience functions to talk to the printer.
/// "raw box"
pub fn rbox(&mut self, indent: usize, b: Breaks) {
self.scan_begin(BeginToken { offset: indent as isize, breaks: b })
pub fn rbox(&mut self, indent: usize, breaks: Breaks) {
self.scan_begin(BeginToken { offset: indent as isize, breaks })
}
/// Inconsistent breaking box
@ -470,8 +472,8 @@ impl Printer {
}
pub fn word<S: Into<Cow<'static, str>>>(&mut self, wrd: S) {
let s = wrd.into();
self.scan_string(s)
let string = wrd.into();
self.scan_string(string)
}
fn spaces(&mut self, n: usize) {