hare.vim

commit cbfa398e18d1cde71866647b430650acaa1171a2
parent 14d8800cc15fca7aa9819fb1d72b65b3b37c6808
Author: Sebastian <sebastian@sebsite.pw>
Date:   Fri, 11 Mar 2022 18:46:37 -0500

Use \v regular expressions for syntax matching

This makes the regular expressions more readable (I'm using the word
"readable" very loosely here) by decreasing the backslash spam. \v is
applied consistently.

Signed-off-by: Sebastian <sebastian@sebsite.pw>

Diffstat:
M
syntax/hare.vim
 | 
18
+++++++++---------

1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/syntax/hare.vim b/syntax/hare.vim
@@ -23,20 +23,20 @@ syn region hareString start=+`+ end=+`+
 
 "adapted from c.vim
 "integer number, or floating point number without a dot and with "f".
-syn match	hareNumbers		display transparent "\<\d" contains=hareNumber,hareOctal,hareBinary,hareFloat
-syn match	hareNumber		display contained "\d\+\(e[-+]\?\d\+\)\?\([ziu]\d*\)\?"
+syn match	hareNumbers		display transparent "\v<\d" contains=hareNumber,hareOctal,hareBinary,hareFloat
+syn match	hareNumber		display contained "\v\d+(e[-+]?\d+)?([ziu]\d*)?"
 "hex number
-syn match	hareNumber		display contained "0x\x\+\([ziu]\d*\)\?"
+syn match	hareNumber		display contained "\v0x\x+([ziu]\d*)?"
 "octal number
-syn match	hareOctal		display contained "0o\o\+\([ziu]\d*\)\?"
+syn match	hareOctal		display contained "\v0o\o+([ziu]\d*)?"
 "binary number
-syn match	hareBinary		display contained '0b[01]\+\([ziu]\d*\)\?'
-syn match	hareFloat		display contained "\d\+\(e[-+]\?\d\+\)\?\(f32\|f64\)"
+syn match	hareBinary		display contained '\v0b[01]+([ziu]\d*)?'
+syn match	hareFloat		display contained "\v\d+(e[-+]?\d+)?(f32|f64)"
 "floating point number, with dot, optional exponent
-syn match	hareFloat		display contained "\d\+\.\d\+\(e[-+]\?\d\+\)\?\(f32\|f64\)\?"
+syn match	hareFloat		display contained "\v\d+\.\d+(e[-+]?\d+)?(f32|f64)?"
 
-syn match	hareSpaceError		display excludenl "\s\+$"
-syn match	hareSpaceError		display " \+\t"me=e-1
+syn match	hareSpaceError		display excludenl "\v\s+$"
+syn match	hareSpaceError		display "\v +\t"me=e-1
 
 syn keyword hareTodo contained TODO FIXME XXX
 syn region hareComment start="//" end="$" contains=hareTodo,@Spell