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Require underscores to actually be digit separators (#1812)

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Multiple, trailing, or next to decimal point are errors
This commit is contained in:
Rangi
2025-08-30 10:44:20 -04:00
committed by GitHub
parent 85176ef10a
commit 531278961f
7 changed files with 196 additions and 45 deletions
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12
test/asm/underscore-in-numeric-literal.asm
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@@ -14,15 +14,15 @@ _1234::
; with underscores
dw _1234 ; label
db 123, 1_23, 1__23 ; decimal
db 123, 1_23, 12_3 ; decimal
dw 12_345 ; decimal
dw $ab_cd ; hex
db &2_0_0_ ; octal
db &2_0_0 ; octal
db %1111_0000, %1_0 ; binary
dl 6_._283_185 ; fixed point
dw `0123_3210, `00_33_22_11_ ; gfx
dl 6.283_185 ; fixed point
dw `0123_3210, `_00_33_22_11 ; gfx
; underscores with custom digits
opt g.ABC, b.X
db %.X.X_..XX_
dw `.A.B_.C.._
db %.X.X_..XX
dw `.A.B_.C..