Allow shifting macro arguments by a negative amount

Fixes #733
2025-11-20 10:12:06 +00:00 · 2021-02-12 23:09:06 -05:00
parent 96bce05be2
commit 8f20620c16
5 changed files with 18 additions and 5 deletions
--- a/test/asm/shift-negative.asm
+++ b/test/asm/shift-negative.asm
@@ -1,4 +1,16 @@
+reverse: MACRO
+	for i, _NARG
+i = _NARG - i - 1
+		shift i
+		println \1
+		shift -i
+	endr
+ENDM
+
+	reverse $1, $2, $3
+
 m: MACRO
+	shift 2
 	shift -3
 ENDM
 	m
--- a/test/asm/shift-negative.err
+++ b/test/asm/shift-negative.err
@@ -1,3 +0,0 @@
-ERROR: shift-negative.asm(4) -> shift-negative.asm::m(2):
-    Cannot shift arguments by negative amount -3
-error: Assembly aborted (1 errors)!
--- a/test/asm/shift-negative.out
+++ b/test/asm/shift-negative.out
@@ -0,0 +1,3 @@
+$3
+$2
+$1