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authorNadrieril2019-09-18 22:37:30 +0200
committerNadrieril2019-09-18 22:37:30 +0200
commitbf417fadb206d6d2351a13cd7c6988977a46dd33 (patch)
tree06effc0f10795a208e929bdf9fdbbbfa6d94cc31 /dhall_syntax/src
parentf8341503c778db92f46fa9f6f368a2013e4c0c1a (diff)
Extract pest_consume into its own crate
Diffstat (limited to 'dhall_syntax/src')
-rw-r--r--dhall_syntax/src/parser.rs62
1 files changed, 27 insertions, 35 deletions
diff --git a/dhall_syntax/src/parser.rs b/dhall_syntax/src/parser.rs
index 2af2d92..71fab0f 100644
--- a/dhall_syntax/src/parser.rs
+++ b/dhall_syntax/src/parser.rs
@@ -1,5 +1,4 @@
use itertools::Itertools;
-use pest::iterators::Pair;
use pest::prec_climber as pcl;
use pest::prec_climber::PrecClimber;
use std::rc::Rc;
@@ -167,7 +166,7 @@ impl DhallParser {
fn double_quote_literal<E: Clone>(
input: ParseInput,
) -> ParseResult<ParsedText<E>> {
- Ok(match_nodes!(input.children();
+ Ok(match_nodes!(input.into_children();
[double_quote_chunk(chunks)..] => {
chunks.collect()
}
@@ -177,7 +176,7 @@ impl DhallParser {
fn double_quote_chunk<E: Clone>(
input: ParseInput,
) -> ParseResult<ParsedTextContents<E>> {
- Ok(match_nodes!(input.children();
+ Ok(match_nodes!(input.into_children();
[expression(e)] => {
InterpolatedTextContents::Expr(e)
},
@@ -264,7 +263,7 @@ impl DhallParser {
fn single_quote_literal<E: Clone>(
input: ParseInput,
) -> ParseResult<ParsedText<E>> {
- Ok(match_nodes!(input.children();
+ Ok(match_nodes!(input.into_children();
[single_quote_continue(lines)] => {
let newline: ParsedText<E> = "\n".to_string().into();
@@ -301,7 +300,7 @@ impl DhallParser {
fn single_quote_continue<E: Clone>(
input: ParseInput,
) -> ParseResult<Vec<Vec<ParsedTextContents<E>>>> {
- Ok(match_nodes!(input.children();
+ Ok(match_nodes!(input.into_children();
[expression(e), single_quote_continue(lines)] => {
let c = InterpolatedTextContents::Expr(e);
let mut lines = lines;
@@ -387,21 +386,15 @@ impl DhallParser {
#[alias(expression, shortcut = true)]
fn identifier<E: Clone>(input: ParseInput) -> ParseResult<Expr<E>> {
Ok(match_nodes!(input.children();
- [variable(v)] => {
- spanned(input, Var(v))
- },
+ [variable(v)] => spanned(input, Var(v)),
[expression(e)] => e,
))
}
fn variable(input: ParseInput) -> ParseResult<V<Label>> {
- Ok(match_nodes!(input.children();
- [label(l), natural_literal(idx)] => {
- V(l, idx)
- },
- [label(l)] => {
- V(l, 0)
- },
+ Ok(match_nodes!(input.into_children();
+ [label(l), natural_literal(idx)] => V(l, idx),
+ [label(l)] => V(l, 0),
))
}
@@ -437,7 +430,7 @@ impl DhallParser {
.collect())
}
fn path(input: ParseInput) -> ParseResult<Vec<String>> {
- Ok(match_nodes!(input.children();
+ Ok(match_nodes!(input.into_children();
[path_component(components)..] => {
components.collect()
}
@@ -448,7 +441,7 @@ impl DhallParser {
fn local<E: Clone>(
input: ParseInput,
) -> ParseResult<ImportLocation<Expr<E>>> {
- Ok(match_nodes!(input.children();
+ Ok(match_nodes!(input.into_children();
[local_path((prefix, p))] => ImportLocation::Local(prefix, p),
))
}
@@ -457,19 +450,19 @@ impl DhallParser {
fn parent_path(
input: ParseInput,
) -> ParseResult<(FilePrefix, Vec<String>)> {
- Ok(match_nodes!(input.children();
+ Ok(match_nodes!(input.into_children();
[path(p)] => (FilePrefix::Parent, p)
))
}
#[alias(local_path)]
fn here_path(input: ParseInput) -> ParseResult<(FilePrefix, Vec<String>)> {
- Ok(match_nodes!(input.children();
+ Ok(match_nodes!(input.into_children();
[path(p)] => (FilePrefix::Here, p)
))
}
#[alias(local_path)]
fn home_path(input: ParseInput) -> ParseResult<(FilePrefix, Vec<String>)> {
- Ok(match_nodes!(input.children();
+ Ok(match_nodes!(input.into_children();
[path(p)] => (FilePrefix::Home, p)
))
}
@@ -477,7 +470,7 @@ impl DhallParser {
fn absolute_path(
input: ParseInput,
) -> ParseResult<(FilePrefix, Vec<String>)> {
- Ok(match_nodes!(input.children();
+ Ok(match_nodes!(input.into_children();
[path(p)] => (FilePrefix::Absolute, p)
))
}
@@ -491,7 +484,7 @@ impl DhallParser {
}
fn http_raw<E: Clone>(input: ParseInput) -> ParseResult<URL<Expr<E>>> {
- Ok(match_nodes!(input.children();
+ Ok(match_nodes!(input.into_children();
[scheme(sch), authority(auth), path(p)] => URL {
scheme: sch,
authority: auth,
@@ -521,7 +514,7 @@ impl DhallParser {
fn http<E: Clone>(
input: ParseInput,
) -> ParseResult<ImportLocation<Expr<E>>> {
- Ok(ImportLocation::Remote(match_nodes!(input.children();
+ Ok(ImportLocation::Remote(match_nodes!(input.into_children();
[http_raw(url)] => url,
[http_raw(url), expression(e)] => URL { headers: Some(e), ..url },
)))
@@ -531,7 +524,7 @@ impl DhallParser {
fn env<E: Clone>(
input: ParseInput,
) -> ParseResult<ImportLocation<Expr<E>>> {
- Ok(match_nodes!(input.children();
+ Ok(match_nodes!(input.into_children();
[environment_variable(v)] => ImportLocation::Env(v),
))
}
@@ -541,7 +534,7 @@ impl DhallParser {
}
#[alias(environment_variable)]
fn posix_environment_variable(input: ParseInput) -> ParseResult<String> {
- Ok(match_nodes!(input.children();
+ Ok(match_nodes!(input.into_children();
[posix_environment_variable_character(chars)..] => {
chars.collect()
},
@@ -586,7 +579,7 @@ impl DhallParser {
) -> ParseResult<crate::Import<Expr<E>>> {
use crate::Import;
let mode = ImportMode::Code;
- Ok(match_nodes!(input.children();
+ Ok(match_nodes!(input.into_children();
[import_type(location)] => Import { mode, location, hash: None },
[import_type(location), hash(h)] => Import { mode, location, hash: Some(h) },
))
@@ -703,9 +696,8 @@ impl DhallParser {
#[alias(expression, shortcut = true)]
#[prec_climb(expression, PRECCLIMBER)]
fn operator_expression<E: Clone>(
- input: ParseInput,
l: Expr<E>,
- op: Pair<Rule>,
+ op: ParseInput,
r: Expr<E>,
) -> ParseResult<Expr<E>> {
use crate::BinOp::*;
@@ -724,7 +716,7 @@ impl DhallParser {
bool_eq => BoolEQ,
bool_ne => BoolNE,
equivalent => Equivalence,
- r => Err(input.error(format!("Rule {:?} isn't an operator", r)))?,
+ r => Err(op.error(format!("Rule {:?} isn't an operator", r)))?,
};
Ok(spanned_union(
@@ -812,7 +804,7 @@ impl DhallParser {
}
fn labels(input: ParseInput) -> ParseResult<DupTreeSet<Label>> {
- Ok(match_nodes!(input.children();
+ Ok(match_nodes!(input.into_children();
[label(ls)..] => ls.collect(),
))
}
@@ -865,7 +857,7 @@ impl DhallParser {
fn non_empty_record_type<E: Clone>(
input: ParseInput,
) -> ParseResult<(Expr<E>, DupTreeMap<Label, Expr<E>>)> {
- Ok(match_nodes!(input.children();
+ Ok(match_nodes!(input.into_children();
[expression(expr), record_type_entry(entries)..] => {
(expr, entries.collect())
}
@@ -875,7 +867,7 @@ impl DhallParser {
fn record_type_entry<E: Clone>(
input: ParseInput,
) -> ParseResult<(Label, Expr<E>)> {
- Ok(match_nodes!(input.children();
+ Ok(match_nodes!(input.into_children();
[label(name), expression(expr)] => (name, expr)
))
}
@@ -883,7 +875,7 @@ impl DhallParser {
fn non_empty_record_literal<E: Clone>(
input: ParseInput,
) -> ParseResult<(Expr<E>, DupTreeMap<Label, Expr<E>>)> {
- Ok(match_nodes!(input.children();
+ Ok(match_nodes!(input.into_children();
[expression(expr), record_literal_entry(entries)..] => {
(expr, entries.collect())
}
@@ -893,7 +885,7 @@ impl DhallParser {
fn record_literal_entry<E: Clone>(
input: ParseInput,
) -> ParseResult<(Label, Expr<E>)> {
- Ok(match_nodes!(input.children();
+ Ok(match_nodes!(input.into_children();
[label(name), expression(expr)] => (name, expr)
))
}
@@ -934,7 +926,7 @@ impl DhallParser {
#[alias(expression)]
fn final_expression<E: Clone>(input: ParseInput) -> ParseResult<Expr<E>> {
- Ok(match_nodes!(input.children();
+ Ok(match_nodes!(input.into_children();
[expression(e), EOI(_)] => e
))
}