From a6040abeac8cdcba8a139a9d5b52ce28e94a14ef Mon Sep 17 00:00:00 2001
From: Taylan Kammer <taylan.kammer@gmail.com>
Date: Sun, 31 May 2026 17:35:35 +0200
Subject: Allow blanks after hash-bang; update grammar files.

---
 src/zisp/io/Parser.zig | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/zisp/io/Parser.zig b/src/zisp/io/Parser.zig
index a57652b..8e2908d 100644
--- a/src/zisp/io/Parser.zig
+++ b/src/zisp/io/Parser.zig
@@ -156,7 +156,7 @@ fn readNoEof(p: *Parser, comptime emsg: []const u8) !u8 {
     return try p.read() orelse p.err(.UnexpectedEof, emsg);
 }
 
-// Fake optional, for use in: while (readToEof()) |c| { }
+// Fake optional, for use in: while (readNoEof2()) |c| { }
 fn readNoEof2(p: *Parser, comptime emsg: []const u8) !?u8 {
     return try p.read() orelse p.err(.UnexpectedEof, emsg);
 }
@@ -620,9 +620,11 @@ fn endRuneDatum(p: *Parser) !void {
 }
 
 fn parseHashBang(p: *Parser, next: Fn) !void {
-    const c = try p.readNoEof("hash-bang");
-    const s = try p.getBareString(c);
-    return p.jump(next, p.cons(SHBANG, s));
+    while (try p.readNoEof2("hash-bang")) |c| {
+        if (c == ' ' or c == '\t') continue;
+        const s = try p.getBareString(c);
+        return p.jump(next, p.cons(SHBANG, s));
+    }
 }
 
 fn parseLabel(p: *Parser, next: Fn) !void {
-- 
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