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lang: add highlighting to errors
This commit is contained in:
parent
29cdcfbe0c
commit
4bcaf945d7
37
Cargo.lock
generated
37
Cargo.lock
generated
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@ -469,6 +469,12 @@ version = "0.4.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
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[[package]]
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name = "hermit-abi"
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version = "0.3.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"
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[[package]]
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name = "ident_case"
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version = "1.0.1"
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@ -519,6 +525,23 @@ dependencies = [
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"serde",
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]
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[[package]]
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name = "is-terminal"
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version = "0.4.12"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f23ff5ef2b80d608d61efee834934d862cd92461afc0560dedf493e4c033738b"
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dependencies = [
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"hermit-abi",
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"libc",
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"windows-sys 0.52.0",
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]
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[[package]]
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name = "is_ci"
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version = "1.1.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "616cde7c720bb2bb5824a224687d8f77bfd38922027f01d825cd7453be5099fb"
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[[package]]
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name = "itoa"
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version = "1.0.10"
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@ -546,6 +569,7 @@ dependencies = [
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"indexmap",
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"indoc",
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"logos",
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"owo-colors",
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"petgraph",
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"rowan",
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]
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@ -697,6 +721,9 @@ name = "owo-colors"
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version = "4.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "caff54706df99d2a78a5a4e3455ff45448d81ef1bb63c22cd14052ca0e993a3f"
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dependencies = [
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"supports-color",
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]
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[[package]]
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name = "petgraph"
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@ -974,6 +1001,16 @@ version = "0.10.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
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[[package]]
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name = "supports-color"
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version = "2.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d6398cde53adc3c4557306a96ce67b302968513830a77a95b2b17305d9719a89"
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dependencies = [
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"is-terminal",
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"is_ci",
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]
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[[package]]
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name = "svg-filters"
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version = "0.1.0"
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@ -16,6 +16,7 @@ rowan = "0.15.15"
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drop_bomb = "0.1.5"
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enumset = "1.1.3"
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indoc = "2"
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owo-colors = {version = "4", features = ["supports-colors"]}
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[lints]
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workspace = true
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@ -1,5 +1,9 @@
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use enumset::enum_set;
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use crate::lst_parser::syntax_kind::SyntaxKind;
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use super::syntax_kind::TokenSet;
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pub struct Input<'src, 'toks> {
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raw: &'toks Vec<(SyntaxKind, &'src str)>,
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/// indices of the "meaningful" tokens (not whitespace etc)
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@ -10,14 +14,19 @@ pub struct Input<'src, 'toks> {
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newlines: Vec<usize>,
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}
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pub const MEANINGLESS_TOKS: TokenSet = enum_set!(SyntaxKind::WHITESPACE | SyntaxKind::NEWLINE);
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impl<'src, 'toks> Input<'src, 'toks> {
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pub fn new(raw_toks: &'toks Vec<(SyntaxKind, &'src str)>) -> Self {
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let meaningful = raw_toks
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.iter()
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.enumerate()
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.filter_map(|(i, tok)| match tok.0 {
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SyntaxKind::WHITESPACE | SyntaxKind::NEWLINE => None,
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_ => Some(i),
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.filter_map(|(i, tok)| {
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if MEANINGLESS_TOKS.contains(tok.0) {
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None
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} else {
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Some(i)
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}
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})
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.collect();
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let newlines = raw_toks
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@ -1,7 +1,11 @@
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use owo_colors::{unset_override, OwoColorize};
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use rowan::{GreenNode, GreenNodeBuilder, GreenNodeData, GreenTokenData, Language, NodeOrToken};
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use std::mem;
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use crate::lst_parser::syntax_kind::{Lang, SyntaxKind};
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use crate::lst_parser::{
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input::MEANINGLESS_TOKS,
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syntax_kind::{Lang, SyntaxKind},
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};
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use super::{error::SyntaxError, events::Event};
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@ -14,47 +18,109 @@ impl std::fmt::Debug for Output {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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let mut errs: Vec<&SyntaxError> = self.errors.iter().collect();
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errs.reverse();
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debug_print_green_node(NodeOrToken::Node(&self.green_node), f, 0, &mut errs)
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debug_print_green_node(NodeOrToken::Node(&self.green_node), f, 0, &mut errs, false)
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}
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}
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fn debug_print_green_node(
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node: NodeOrToken<&GreenNodeData, &GreenTokenData>,
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f: &mut std::fmt::Formatter<'_>,
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f: &mut dyn std::fmt::Write,
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lvl: i32,
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errs: &mut Vec<&SyntaxError>,
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colored: bool,
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) -> std::fmt::Result {
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for _ in 0..lvl {
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f.write_str(" ")?;
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}
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match node {
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if !colored {
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owo_colors::set_override(false);
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} else {
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owo_colors::set_override(true);
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}
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let r = match node {
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NodeOrToken::Node(n) => {
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let kind = Lang::kind_from_raw(node.kind());
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if kind != SyntaxKind::PARSE_ERR {
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writeln!(f, "{:?} {{", Lang::kind_from_raw(node.kind()))?;
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writeln!(
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f,
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"{:?} {}",
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Lang::kind_from_raw(node.kind()).bright_yellow().bold(),
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"{".yellow()
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)?;
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} else {
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let err = errs
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.pop()
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.expect("all error syntax nodes should correspond to an error");
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.expect("all error syntax nodes should correspond to an error")
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.bright_red();
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writeln!(f, "{:?}: {err:?} {{", kind)?;
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writeln!(
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f,
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"{:?}{} {err:?} {}",
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kind.bright_red().bold(),
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":".red(),
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"{".bright_red().bold()
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)?;
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}
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for c in n.children() {
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debug_print_green_node(c, f, lvl + 1, errs)?;
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debug_print_green_node(c, f, lvl + 1, errs, colored)?;
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}
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for _ in 0..lvl {
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f.write_str(" ")?;
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}
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f.write_str("}\n")
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if kind != SyntaxKind::PARSE_ERR {
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write!(f, "{}", "}\n".yellow())
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} else {
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write!(f, "{}", "}\n".bright_red().bold())
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}
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}
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NodeOrToken::Token(t) => {
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writeln!(f, "{:?} {:?};", Lang::kind_from_raw(t.kind()), t.text())
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let tok = Lang::kind_from_raw(t.kind());
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if MEANINGLESS_TOKS.contains(tok) {
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writeln!(
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f,
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"{:?} {:?}{}",
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Lang::kind_from_raw(t.kind()).white(),
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t.text().white(),
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";".white()
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)
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} else {
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writeln!(
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f,
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"{:?} {:?}{}",
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Lang::kind_from_raw(t.kind()).bright_cyan().bold(),
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t.text().green(),
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";".yellow()
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)
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}
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}
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};
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if !colored {
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owo_colors::unset_override();
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}
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r
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}
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impl Output {
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pub fn debug_colored(&self) -> String {
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let mut out = String::new();
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let mut errs: Vec<&SyntaxError> = self.errors.iter().collect();
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errs.reverse();
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let _ = debug_print_green_node(
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NodeOrToken::Node(&self.green_node),
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&mut out,
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0,
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&mut errs,
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true,
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);
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out
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}
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pub fn from_parser_output(
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mut raw_toks: Vec<(SyntaxKind, &str)>,
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(mut events, errs): (Vec<Event>, Vec<SyntaxError>),
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@ -23,7 +23,7 @@ fn main() {
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let p_out = dbg!(parser.finish());
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let o = Output::from_parser_output(toks, p_out);
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println!("Out: {:?}", o);
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println!("{}", o.debug_colored());
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// let parse_res = parser::parse(&f);
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// println!("parse: {:?}", parse_res);
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@ -1 +1 @@
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meow 1 (3 | add 1)
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meow | gay |
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