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doc parser input

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This commit is contained in:
csmoe
2018-12-31 21:30:37 +08:00
parent ea7b569e1b
commit b01e707dba
2 changed files with 30 additions and 10 deletions
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13
crates/ra_syntax/src/parser_impl.rs
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@@ -64,7 +64,6 @@ pub(crate) fn parse_with<S: Sink>(
/// the public API of the `Parser`.
pub(crate) struct ParserImpl<'t> {
inp: &'t ParserInput<'t>,
pos: InputPosition,
events: Vec<Event>,
steps: Cell<u32>,
@@ -74,7 +73,6 @@ impl<'t> ParserImpl<'t> {
pub(crate) fn new(inp: &'t ParserInput<'t>) -> ParserImpl<'t> {
ParserImpl {
inp,
pos: InputPosition::new(),
events: Vec::new(),
steps: Cell::new(0),
@@ -89,7 +87,9 @@ impl<'t> ParserImpl<'t> {
pub(super) fn next2(&self) -> Option<(SyntaxKind, SyntaxKind)> {
let c1 = self.inp.kind(self.pos);
let c2 = self.inp.kind(self.pos + 1);
if self.inp.start(self.pos + 1) == self.inp.start(self.pos) + self.inp.len(self.pos) {
if self.inp.token_start_at(self.pos + 1)
== self.inp.token_start_at(self.pos) + self.inp.len(self.pos)
{
Some((c1, c2))
} else {
None
@@ -100,9 +100,10 @@ impl<'t> ParserImpl<'t> {
let c1 = self.inp.kind(self.pos);
let c2 = self.inp.kind(self.pos + 1);
let c3 = self.inp.kind(self.pos + 2);
if self.inp.start(self.pos + 1) == self.inp.start(self.pos) + self.inp.len(self.pos)
&& self.inp.start(self.pos + 2)
== self.inp.start(self.pos + 1) + self.inp.len(self.pos + 1)
if self.inp.token_start_at(self.pos + 1)
== self.inp.token_start_at(self.pos) + self.inp.len(self.pos)
&& self.inp.token_start_at(self.pos + 2)
== self.inp.token_start_at(self.pos + 1) + self.inp.len(self.pos + 1)
{
Some((c1, c2, c3))
} else {