harec

commit 21fadeeb2d4b70e4f9cad170d1fe7d3acf55b872
parent 8a8f11ac25f985aac5b3f2d88f0c04856826f161
Author: Steven Guikal <void@fluix.one>
Date:   Wed,  2 Jun 2021 19:42:59 -0400

rune_unparse: add \U

Diffstat:
M
src/lex.c
 | 
6
++++--
M
tests/00-constants.ha
 | 
3
++-

2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/src/lex.c b/src/lex.c
@@ -1009,7 +1009,7 @@ lexical_token_str(enum lexical_token tok)
 static const char *
 rune_unparse(uint32_t c)
 {
-	static char buf[7];
+	static char buf[11];
 	switch (c) {
 	case '\0':
 		snprintf(buf, sizeof(buf), "\\0");
@@ -1045,7 +1045,9 @@ rune_unparse(uint32_t c)
 		snprintf(buf, sizeof(buf), "\\\"");
 		break;
 	default:
-		if (c > 0x7F) {
+		if (c > 0xffff) {
+			snprintf(buf, sizeof(buf), "\\U%08x", c);
+		} else if (c > 0x7F) {
 			snprintf(buf, sizeof(buf), "\\u%04x", c);
 		} else if (!isprint(c)) {
 			snprintf(buf, sizeof(buf), "\\x%02x", c);
diff --git a/tests/00-constants.ha b/tests/00-constants.ha
@@ -6,7 +6,8 @@ export fn main() void = {
 	let p1: nullable *int = null;
 	let r1 = 'x', r2 = '\x0A', r3 = '\u1234', r4 = '\0', r5 = '\a',
 		r6 = '\b', r7 = '\f', r8 = '\n', r9 = '\r', r10 = '\t',
-		r11 = '\v', r12 = '\\', r13 = '\'', r14 = '\"';
+		r11 = '\v', r12 = '\\', r13 = '\'', r14 = '\"',
+		r15 = '\U12345678';
 	let f1 = 1.0, f2 = 1f32, f3 = 1.0e2, f4 = 1.0f64;
 	let f5 = 1.23e+45, f6 = 9.87e-65, f7 = 1e-7;
 };