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Fix version incompatibilities

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Also: Fix clippy errors
This commit is contained in:
Christian Hofer 2017-06-22 09:54:13 +02:00
parent 639d288236
commit a82dfa78e9
1 changed files with 34 additions and 34 deletions
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68
parser/src/parser.rs
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@ -112,7 +112,7 @@ impl<T: Iterator<Item=char>> Parser<T> {
fn peek(&mut self) -> Result<&Token, ScanError> { fn peek(&mut self) -> Result<&Token, ScanError> {
match self.token { match self.token {
None => { None => {
self.token = Some(self.scan_next_token()?); self.token = Some(try!(self.scan_next_token()));
Ok(self.token.as_ref().unwrap()) Ok(self.token.as_ref().unwrap())
}, },
Some(ref tok) => Ok(tok) Some(ref tok) => Ok(tok)
@ -124,8 +124,8 @@ impl<T: Iterator<Item=char>> Parser<T> {
match token { match token {
None => None =>
match self.scanner.get_error() { match self.scanner.get_error() {
None => return Err(ScanError::new(self.scanner.mark(), "unexpected eof")), None => Err(ScanError::new(self.scanner.mark(), "unexpected eof")),
Some(e) => return Err(e), Some(e) => Err(e),
}, },
Some(tok) => Ok(tok) Some(tok) => Ok(tok)
} }
@ -301,7 +301,7 @@ impl<T: Iterator<Item=char>> Parser<T> {
} }
fn stream_start(&mut self) -> ParseResult { fn stream_start(&mut self) -> ParseResult {
match *self.peek()? { match *try!(self.peek()) {
Token(mark, TokenType::StreamStart(_)) => { Token(mark, TokenType::StreamStart(_)) => {
self.state = State::ImplicitDocumentStart; self.state = State::ImplicitDocumentStart;
self.skip(); self.skip();
@ -314,12 +314,12 @@ impl<T: Iterator<Item=char>> Parser<T> {
fn document_start(&mut self, implicit: bool) -> ParseResult { fn document_start(&mut self, implicit: bool) -> ParseResult {
if !implicit { if !implicit {
while let TokenType::DocumentEnd = self.peek()?.1 { while let TokenType::DocumentEnd = try!(self.peek()).1 {
self.skip(); self.skip();
} }
} }
match *self.peek()? { match *try!(self.peek()) {
Token(mark, TokenType::StreamEnd) => { Token(mark, TokenType::StreamEnd) => {
self.state = State::End; self.state = State::End;
self.skip(); self.skip();
@ -346,7 +346,7 @@ impl<T: Iterator<Item=char>> Parser<T> {
fn parser_process_directives(&mut self) -> Result<(), ScanError> { fn parser_process_directives(&mut self) -> Result<(), ScanError> {
loop { loop {
match self.peek()?.1 { match try!(self.peek()).1 {
TokenType::VersionDirective(_, _) => { TokenType::VersionDirective(_, _) => {
// XXX parsing with warning according to spec // XXX parsing with warning according to spec
//if major != 1 || minor > 2 { //if major != 1 || minor > 2 {
@ -367,7 +367,7 @@ impl<T: Iterator<Item=char>> Parser<T> {
fn _explict_document_start(&mut self) -> ParseResult { fn _explict_document_start(&mut self) -> ParseResult {
try!(self.parser_process_directives()); try!(self.parser_process_directives());
match *self.peek()? { match *try!(self.peek()) {
Token(mark, TokenType::DocumentStart) => { Token(mark, TokenType::DocumentStart) => {
self.push_state(State::DocumentEnd); self.push_state(State::DocumentEnd);
self.state = State::DocumentContent; self.state = State::DocumentContent;
@ -379,7 +379,7 @@ impl<T: Iterator<Item=char>> Parser<T> {
} }
fn document_content(&mut self) -> ParseResult { fn document_content(&mut self) -> ParseResult {
match *self.peek()? { match *try!(self.peek()) {
Token(mark, TokenType::VersionDirective(..)) Token(mark, TokenType::VersionDirective(..))
| Token(mark, TokenType::TagDirective(..)) | Token(mark, TokenType::TagDirective(..))
| Token(mark, TokenType::DocumentStart) | Token(mark, TokenType::DocumentStart)
@ -397,7 +397,7 @@ impl<T: Iterator<Item=char>> Parser<T> {
fn document_end(&mut self) -> ParseResult { fn document_end(&mut self) -> ParseResult {
let mut _implicit = true; let mut _implicit = true;
let marker: Marker = match *self.peek()? { let marker: Marker = match *try!(self.peek()) {
Token(mark, TokenType::DocumentEnd) => { Token(mark, TokenType::DocumentEnd) => {
self.skip(); self.skip();
_implicit = false; _implicit = false;
@ -426,7 +426,7 @@ impl<T: Iterator<Item=char>> Parser<T> {
fn parse_node(&mut self, block: bool, indentless_sequence: bool) -> ParseResult { fn parse_node(&mut self, block: bool, indentless_sequence: bool) -> ParseResult {
let mut anchor_id = 0; let mut anchor_id = 0;
let mut tag = None; let mut tag = None;
match *self.peek()? { match *try!(self.peek()) {
Token(_, TokenType::Alias(_)) => { Token(_, TokenType::Alias(_)) => {
self.pop_state(); self.pop_state();
if let Token(mark, TokenType::Alias(name)) = self.fetch_token() { if let Token(mark, TokenType::Alias(name)) = self.fetch_token() {
@ -441,7 +441,7 @@ impl<T: Iterator<Item=char>> Parser<T> {
Token(_, TokenType::Anchor(_)) => { Token(_, TokenType::Anchor(_)) => {
if let Token(mark, TokenType::Anchor(name)) = self.fetch_token() { if let Token(mark, TokenType::Anchor(name)) = self.fetch_token() {
anchor_id = try!(self.register_anchor(name, &mark)); anchor_id = try!(self.register_anchor(name, &mark));
if let TokenType::Tag(..) = self.peek()?.1 { if let TokenType::Tag(..) = try!(self.peek()).1 {
if let tg @ TokenType::Tag(..) = self.fetch_token().1 { if let tg @ TokenType::Tag(..) = self.fetch_token().1 {
tag = Some(tg); tag = Some(tg);
} else { } else {
@ -455,7 +455,7 @@ impl<T: Iterator<Item=char>> Parser<T> {
Token(_, TokenType::Tag(..)) => { Token(_, TokenType::Tag(..)) => {
if let tg @ TokenType::Tag(..) = self.fetch_token().1 { if let tg @ TokenType::Tag(..) = self.fetch_token().1 {
tag = Some(tg); tag = Some(tg);
if let TokenType::Anchor(_) = self.peek()?.1 { if let TokenType::Anchor(_) = try!(self.peek()).1 {
if let Token(mark, TokenType::Anchor(name)) = self.fetch_token() { if let Token(mark, TokenType::Anchor(name)) = self.fetch_token() {
anchor_id = try!(self.register_anchor(name, &mark)); anchor_id = try!(self.register_anchor(name, &mark));
} else { } else {
@ -468,7 +468,7 @@ impl<T: Iterator<Item=char>> Parser<T> {
}, },
_ => {} _ => {}
} }
match *self.peek()? { match *try!(self.peek()) {
Token(mark, TokenType::BlockEntry) if indentless_sequence => { Token(mark, TokenType::BlockEntry) if indentless_sequence => {
self.state = State::IndentlessSequenceEntry; self.state = State::IndentlessSequenceEntry;
Ok((Event::SequenceStart(anchor_id), mark)) Ok((Event::SequenceStart(anchor_id), mark))
@ -513,10 +513,10 @@ impl<T: Iterator<Item=char>> Parser<T> {
//self.marks.push(tok.0); //self.marks.push(tok.0);
self.skip(); self.skip();
} }
match *self.peek()? { match *try!(self.peek()) {
Token(_, TokenType::Key) => { Token(_, TokenType::Key) => {
self.skip(); self.skip();
match *self.peek()? { match *try!(self.peek()) {
Token(mark, TokenType::Key) Token(mark, TokenType::Key)
| Token(mark, TokenType::Value) | Token(mark, TokenType::Value)
| Token(mark, TokenType::BlockEnd) => { | Token(mark, TokenType::BlockEnd) => {
@ -547,10 +547,10 @@ impl<T: Iterator<Item=char>> Parser<T> {
} }
fn block_mapping_value(&mut self) -> ParseResult { fn block_mapping_value(&mut self) -> ParseResult {
match *self.peek()? { match *try!(self.peek()) {
Token(_, TokenType::Value) => { Token(_, TokenType::Value) => {
self.skip(); self.skip();
match *self.peek()? { match *try!(self.peek()) {
Token(mark, TokenType::Key) Token(mark, TokenType::Key)
| Token(mark, TokenType::Value) | Token(mark, TokenType::Value)
| Token(mark, TokenType::BlockEnd) => { | Token(mark, TokenType::BlockEnd) => {
@ -578,21 +578,21 @@ impl<T: Iterator<Item=char>> Parser<T> {
self.skip(); self.skip();
} }
let marker: Marker = { let marker: Marker = {
match *self.peek()? { match *try!(self.peek()) {
Token(mark, TokenType::FlowMappingEnd) => mark, Token(mark, TokenType::FlowMappingEnd) => mark,
Token(mark, _) => { Token(mark, _) => {
if !first { if !first {
match *self.peek()? { match *try!(self.peek()) {
Token(_, TokenType::FlowEntry) => self.skip(), Token(_, TokenType::FlowEntry) => self.skip(),
Token(mark, _) => return Err(ScanError::new(mark, Token(mark, _) => return Err(ScanError::new(mark,
"while parsing a flow mapping, did not find expected ',' or '}'")) "while parsing a flow mapping, did not find expected ',' or '}'"))
} }
} }
match *self.peek()? { match *try!(self.peek()) {
Token(_, TokenType::Key) => { Token(_, TokenType::Key) => {
self.skip(); self.skip();
match *self.peek()? { match *try!(self.peek()) {
Token(mark, TokenType::Value) Token(mark, TokenType::Value)
| Token(mark, TokenType::FlowEntry) | Token(mark, TokenType::FlowEntry)
| Token(mark, TokenType::FlowMappingEnd) => { | Token(mark, TokenType::FlowMappingEnd) => {
@ -629,14 +629,14 @@ impl<T: Iterator<Item=char>> Parser<T> {
fn flow_mapping_value(&mut self, empty: bool) -> ParseResult { fn flow_mapping_value(&mut self, empty: bool) -> ParseResult {
let mark: Marker = { let mark: Marker = {
if empty { if empty {
let Token(mark, _) = *self.peek()?; let Token(mark, _) = *try!(self.peek());
self.state = State::FlowMappingKey; self.state = State::FlowMappingKey;
return Ok((Event::empty_scalar(), mark)); return Ok((Event::empty_scalar(), mark));
} else { } else {
match *self.peek()? { match *try!(self.peek()) {
Token(marker, TokenType::Value) => { Token(marker, TokenType::Value) => {
self.skip(); self.skip();
match self.peek()?.1 { match try!(self.peek()).1 {
TokenType::FlowEntry TokenType::FlowEntry
| TokenType::FlowMappingEnd => { }, | TokenType::FlowMappingEnd => { },
_ => { _ => {
@ -662,7 +662,7 @@ impl<T: Iterator<Item=char>> Parser<T> {
//self.marks.push(tok.0); //self.marks.push(tok.0);
self.skip(); self.skip();
} }
match *self.peek()? { match *try!(self.peek()) {
Token(mark, TokenType::FlowSequenceEnd) => { Token(mark, TokenType::FlowSequenceEnd) => {
self.pop_state(); self.pop_state();
self.skip(); self.skip();
@ -677,7 +677,7 @@ impl<T: Iterator<Item=char>> Parser<T> {
} }
_ => { /* next */ } _ => { /* next */ }
} }
match *self.peek()? { match *try!(self.peek()) {
Token(mark, TokenType::FlowSequenceEnd) => { Token(mark, TokenType::FlowSequenceEnd) => {
self.pop_state(); self.pop_state();
self.skip(); self.skip();
@ -696,7 +696,7 @@ impl<T: Iterator<Item=char>> Parser<T> {
} }
fn indentless_sequence_entry(&mut self) -> ParseResult { fn indentless_sequence_entry(&mut self) -> ParseResult {
match *self.peek()? { match *try!(self.peek()) {
Token(_, TokenType::BlockEntry) => (), Token(_, TokenType::BlockEntry) => (),
Token(mark, _) => { Token(mark, _) => {
self.pop_state(); self.pop_state();
@ -704,7 +704,7 @@ impl<T: Iterator<Item=char>> Parser<T> {
} }
} }
self.skip(); self.skip();
match *self.peek()? { match *try!(self.peek()) {
Token(mark, TokenType::BlockEntry) Token(mark, TokenType::BlockEntry)
| Token(mark, TokenType::Key) | Token(mark, TokenType::Key)
| Token(mark, TokenType::Value) | Token(mark, TokenType::Value)
@ -726,7 +726,7 @@ impl<T: Iterator<Item=char>> Parser<T> {
//self.marks.push(tok.0); //self.marks.push(tok.0);
self.skip(); self.skip();
} }
match *self.peek()? { match *try!(self.peek()) {
Token(mark, TokenType::BlockEnd) => { Token(mark, TokenType::BlockEnd) => {
self.pop_state(); self.pop_state();
self.skip(); self.skip();
@ -734,7 +734,7 @@ impl<T: Iterator<Item=char>> Parser<T> {
}, },
Token(_, TokenType::BlockEntry) => { Token(_, TokenType::BlockEntry) => {
self.skip(); self.skip();
match *self.peek()? { match *try!(self.peek()) {
Token(mark, TokenType::BlockEntry) Token(mark, TokenType::BlockEntry)
| Token(mark, TokenType::BlockEnd) => { | Token(mark, TokenType::BlockEnd) => {
self.state = State::BlockSequenceEntry; self.state = State::BlockSequenceEntry;
@ -754,7 +754,7 @@ impl<T: Iterator<Item=char>> Parser<T> {
} }
fn flow_sequence_entry_mapping_key(&mut self) -> ParseResult { fn flow_sequence_entry_mapping_key(&mut self) -> ParseResult {
match *self.peek()? { match *try!(self.peek()) {
Token(mark, TokenType::Value) Token(mark, TokenType::Value)
| Token(mark, TokenType::FlowEntry) | Token(mark, TokenType::FlowEntry)
| Token(mark, TokenType::FlowSequenceEnd) => { | Token(mark, TokenType::FlowSequenceEnd) => {
@ -770,11 +770,11 @@ impl<T: Iterator<Item=char>> Parser<T> {
} }
fn flow_sequence_entry_mapping_value(&mut self) -> ParseResult { fn flow_sequence_entry_mapping_value(&mut self) -> ParseResult {
match *self.peek()? { match *try!(self.peek()) {
Token(_, TokenType::Value) => { Token(_, TokenType::Value) => {
self.skip(); self.skip();
self.state = State::FlowSequenceEntryMappingValue; self.state = State::FlowSequenceEntryMappingValue;
match *self.peek()? { match *try!(self.peek()) {
Token(mark, TokenType::FlowEntry) Token(mark, TokenType::FlowEntry)
| Token(mark, TokenType::FlowSequenceEnd) => { | Token(mark, TokenType::FlowSequenceEnd) => {
self.state = State::FlowSequenceEntryMappingEnd; self.state = State::FlowSequenceEntryMappingEnd;