Allow returning errors from lexer #157
exellentcoin26Annotations
10 warnings
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this returns a `Result<_, ()>`:
pango-parser/src/parser/slr.rs#L44
warning: this returns a `Result<_, ()>`
--> pango-parser/src/parser/slr.rs:44:5
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44 | pub fn parse(&self, mut input: Lexer<T>) -> Result<Cst<V, T>, ()> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= help: use a custom `Error` type instead
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#result_unit_err
= note: `#[warn(clippy::result_unit_err)]` on by default
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method `first` is never used:
pango-parser/src/grammar.rs#L101
warning: method `first` is never used
--> pango-parser/src/grammar.rs:101:8
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96 | impl<V, T> Grammar<V, T>
| ------------------------ method in this implementation
...
101 | fn first(&self, variable: V) -> HashSet<&Symbol<V, T>> {
| ^^^^^
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method `iter_terminals` is never used:
pango-parser/src/grammar.rs#L50
warning: method `iter_terminals` is never used
--> pango-parser/src/grammar.rs:50:19
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46 | impl<V, T> Grammar<V, T>
| ------------------------ method in this implementation
...
50 | pub(crate) fn iter_terminals(&self) -> impl Iterator<Item = &T> {
| ^^^^^^^^^^^^^^
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method `iter_variables` is never used:
pango-parser/src/grammar.rs#L41
warning: method `iter_variables` is never used
--> pango-parser/src/grammar.rs:41:19
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33 | impl<V, T> Grammar<V, T>
| ------------------------ method in this implementation
...
41 | pub(crate) fn iter_variables(&self) -> impl Iterator<Item = V> + '_ {
| ^^^^^^^^^^^^^^
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fields `symbol` and `children` are never read:
pango-parser/src/cst.rs#L12
warning: fields `symbol` and `children` are never read
--> pango-parser/src/cst.rs:12:16
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11 | pub(crate) struct Node<V, T> {
| ---- fields in this struct
12 | pub(crate) symbol: Symbol<V, T>,
| ^^^^^^
13 | pub(crate) children: Vec<Node<V, T>>,
| ^^^^^^^^
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= note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
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field `root` is never read:
pango-parser/src/cst.rs#L6
warning: field `root` is never read
--> pango-parser/src/cst.rs:6:16
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5 | pub struct Cst<V, T> {
| --- field in this struct
6 | pub(crate) root: Node<V, T>,
| ^^^^
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= note: `Cst` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
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method `get_cursor_terminal` is never used:
pango-parser/src/cfsm/item.rs#L53
warning: method `get_cursor_terminal` is never used
--> pango-parser/src/cfsm/item.rs:53:19
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28 | impl<V, T> ItemBody<V, T> {
| ------------------------- method in this implementation
...
53 | pub(crate) fn get_cursor_terminal(&self) -> Option<&T> {
| ^^^^^^^^^^^^^^^^^^^
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= note: `#[warn(dead_code)]` on by default
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method `append` is never used:
pango-lexer/src/regex/parser/error.rs#L33
warning: method `append` is never used
--> pango-lexer/src/regex/parser/error.rs:33:19
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32 | impl<'a> ParseErrors<'a> {
| ------------------------ method in this implementation
33 | pub(super) fn append(&mut self, mut other: Self) {
| ^^^^^^
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methods `with_transition` and `get_state` are never used:
pango-lexer/src/fsm/nfa/model.rs#L219
warning: methods `with_transition` and `get_state` are never used
--> pango-lexer/src/fsm/nfa/model.rs:219:19
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160 | impl NfaBuilder {
| --------------- methods in this implementation
...
219 | pub(super) fn with_transition(mut self, start: StateId, end: StateId, input: Input) -> Self {
| ^^^^^^^^^^^^^^^
...
268 | pub(super) fn get_state(&self, state_id: StateId) -> &State {
| ^^^^^^^^^
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= note: `#[warn(dead_code)]` on by default
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clippy
The following actions uses node12 which is deprecated and will be forced to run on node16: actions-rs/clippy-check@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/
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