From b903ea3d09abf7aba9c415c37b205076b1bc1631 Mon Sep 17 00:00:00 2001
From: Thomas Voss <mail@thomasvoss.com>
Date: Mon, 2 Mar 2026 22:12:06 +0100
Subject: Add different error styles

---
 oryxc/src/errors.rs | 15 +++++++++++++++
 oryxc/src/main.rs   | 16 +++++++++++++++-
 2 files changed, 30 insertions(+), 1 deletion(-)

(limited to 'oryxc/src')

diff --git a/oryxc/src/errors.rs b/oryxc/src/errors.rs
index b2bab4e..5332d17 100644
--- a/oryxc/src/errors.rs
+++ b/oryxc/src/errors.rs
@@ -27,6 +27,14 @@ use crate::unicode;
 const TAB_AS_SPACES: &'static str = "    ";
 const TABSIZE: usize = TAB_AS_SPACES.len();
 
+#[derive(Clone, Copy, Eq, PartialEq)]
+pub enum ErrorStyle {
+	OneLine,
+	Standard,
+}
+
+pub static ERROR_STYLE: OnceLock<ErrorStyle> = OnceLock::new();
+
 pub fn progname() -> &'static OsString {
 	static ARGV0: OnceLock<OsString> = OnceLock::new();
 	return ARGV0.get_or_init(|| {
@@ -153,6 +161,13 @@ impl OryxError {
 			"{FNAMEBEG}{}:{line}:{col}:{FMTEND} {ERRORBEG}error:{FMTEND} {self}\n",
 			filename.as_ref().display()
 		);
+
+		if *ERROR_STYLE.get_or_init(|| ErrorStyle::Standard)
+			== ErrorStyle::OneLine
+		{
+			return;
+		}
+
 		let _ = write!(
 			handle,
 			" {line:>4} │ {errbeg}{ERRORBEG}{errmid}{FMTEND}{errend}\n"
diff --git a/oryxc/src/main.rs b/oryxc/src/main.rs
index 60733fb..d0ce286 100644
--- a/oryxc/src/main.rs
+++ b/oryxc/src/main.rs
@@ -37,6 +37,17 @@ impl Flags {
 				Short('h') | Long("help") => flags.help = true,
 				Short('l') | Long("debug-lexer") => flags.debug_lexer = true,
 				Short('p') | Long("debug-parser") => flags.debug_parser = true,
+				Short('s') | Long("error-style") => {
+					/* TODO: Check for error (user could pass the flag twice) */
+					/* TODO: Don’t unwrap */
+					errors::ERROR_STYLE.set(
+						match parser.value()?.to_str().unwrap() {
+							"oneline" => errors::ErrorStyle::OneLine,
+							"standard" => errors::ErrorStyle::Standard,
+							_ => Err("invalid value for -s/--error-style")?,
+						},
+					);
+				},
 				Short('t') | Long("threads") => {
 					flags.threads = parser.value()?.parse()?;
 					if flags.threads == 0 {
@@ -64,7 +75,10 @@ impl Flags {
 
 fn usage() {
 	eprintln!(
-		concat!("Usage: {0} [-lp] [-t threads]\n", "       {0} -h"),
+		concat!(
+			"Usage: {0} [-lp] [-s oneline|standard] [-t threads]\n",
+			"       {0} -h",
+		),
 		errors::progname().display()
 	);
 }
-- 
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