cleanup: replace try! with ?

This commit is contained in:
Balaji Sivaraman
2018-01-01 19:52:35 +05:30
committed by Andrew Gallant
parent ba1023e1e4
commit b6177f0459
16 changed files with 160 additions and 162 deletions

View File

@@ -550,7 +550,7 @@ impl<'a> GlobBuilder<'a> {
prev: None,
cur: None,
};
try!(p.parse());
p.parse()?;
if p.stack.is_empty() {
Err(Error {
glob: Some(self.glob.to_string()),
@@ -720,18 +720,18 @@ impl<'a> Parser<'a> {
fn parse(&mut self) -> Result<(), Error> {
while let Some(c) = self.bump() {
match c {
'?' => try!(self.push_token(Token::Any)),
'*' => try!(self.parse_star()),
'[' => try!(self.parse_class()),
'{' => try!(self.push_alternate()),
'}' => try!(self.pop_alternate()),
',' => try!(self.parse_comma()),
'?' => self.push_token(Token::Any)?,
'*' => self.parse_star()?,
'[' => self.parse_class()?,
'{' => self.push_alternate()?,
'}' => self.pop_alternate()?,
',' => self.parse_comma()?,
c => {
if is_separator(c) {
// Normalize all patterns to use / as a separator.
try!(self.push_token(Token::Literal('/')))
self.push_token(Token::Literal('/'))?
} else {
try!(self.push_token(Token::Literal(c)))
self.push_token(Token::Literal(c))?
}
}
}
@@ -789,19 +789,19 @@ impl<'a> Parser<'a> {
fn parse_star(&mut self) -> Result<(), Error> {
let prev = self.prev;
if self.chars.peek() != Some(&'*') {
try!(self.push_token(Token::ZeroOrMore));
self.push_token(Token::ZeroOrMore)?;
return Ok(());
}
assert!(self.bump() == Some('*'));
if !try!(self.have_tokens()) {
try!(self.push_token(Token::RecursivePrefix));
if !self.have_tokens()? {
self.push_token(Token::RecursivePrefix)?;
let next = self.bump();
if !next.map(is_separator).unwrap_or(true) {
return Err(self.error(ErrorKind::InvalidRecursive));
}
return Ok(());
}
try!(self.pop_token());
self.pop_token()?;
if !prev.map(is_separator).unwrap_or(false) {
if self.stack.len() <= 1
|| (prev != Some(',') && prev != Some('{')) {
@@ -873,7 +873,7 @@ impl<'a> Parser<'a> {
// invariant: in_range is only set when there is
// already at least one character seen.
let r = ranges.last_mut().unwrap();
try!(add_to_last_range(&self.glob, r, '-'));
add_to_last_range(&self.glob, r, '-')?;
in_range = false;
} else {
assert!(!ranges.is_empty());
@@ -884,8 +884,8 @@ impl<'a> Parser<'a> {
if in_range {
// invariant: in_range is only set when there is
// already at least one character seen.
try!(add_to_last_range(
&self.glob, ranges.last_mut().unwrap(), c));
add_to_last_range(
&self.glob, ranges.last_mut().unwrap(), c)?;
} else {
ranges.push((c, c));
}