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runtime(odin): support underscore-separated numeric literals

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Add support for underscore-separated numeric literals in Odin syntax
highlighting. This allows proper highlighting of numbers like 1_000_000,
0xFF_AA_BB, and 0b1010_1111 as specified in the Odin language.

>  Numerical literals are written similar to most other programming
>  languages. A useful feature in Odin is that underscores are allowed
>  for better readability: 1_000_000_000 (one billion).
>  https://odin-lang.org/docs/overview/#numbers

closes: #18852

Signed-off-by: Maxim Kim <habamax@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Maxim Kim
2025-12-06 10:36:30 +01:00
committed by Christian Brabandt
parent 911ecdcd0e
commit c7c16e4130
1 changed files with 7 additions and 7 deletions
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14
runtime/syntax/odin.vim
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@ -4,7 +4,7 @@ vim9script
# Language: Odin
# Maintainer: Maxim Kim <habamax@gmail.com>
# Website: https://github.com/habamax/vim-odin
# Last Change: 2025-03-28
# Last Change: 2025-12-06
if exists("b:current_syntax")
finish
@ -53,12 +53,12 @@ syntax region odinAttribute
\ start="@\ze(" end="\ze)"
\ transparent oneline
syntax match odinInteger "\-\?\<\d\+\>" display
syntax match odinFloat "\-\?\<[0-9][0-9_]*\%(\.[0-9][0-9_]*\)\%([eE][+-]\=[0-9_]\+\)\=" display
syntax match odinHex "\<0[xX][0-9A-Fa-f]\+\>" display
syntax match odinDoz "\<0[zZ][0-9a-bA-B]\+\>" display
syntax match odinOct "\<0[oO][0-7]\+\>" display
syntax match odinBin "\<0[bB][01]\+\>" display
syntax match odinInteger "\v-?<[0-9]+%(_[0-9]+)*>" display
syntax match odinFloat "\v-?<[0-9]+%(_[0-9]+)*%(\.[0-9]+%(_[0-9]+)*)%([eE][+-]=[0-9]+%(_[0-9]+)*)=" display
syntax match odinHex "\v<0[xX][0-9A-Fa-f]+%(_[0-9A-Fa-f]+)*>" display
syntax match odinDoz "\v<0[zZ][0-9A-Ba-b]+%(_[0-9A-Ba-b]+)*>" display
syntax match odinOct "\v<0[oO][0-7]+%(_[0-7]+)*>" display
syntax match odinBin "\v<0[bB][01]+%(_[01]+)*>" display
syntax match odinAddressOf "&" display
syntax match odinDeref "\^" display