misc/vim: adding underscore number syntax support.

diff --git a/misc/vim/syntax/factor.vim b/misc/vim/syntax/factor.vim
index e65e69afafc36f0ee93df2e0798ffc36c15d95b0..3d3a84ebe537da4fa6de346d74d67ac6f60a9d6b 100644 (file)
--- a/misc/vim/syntax/factor.vim
+++ b/misc/vim/syntax/factor.vim
@@ -168,50 +168,50 @@ syn cluster factorNumber            contains=@factorReal,factorComplex
 syn cluster factorInteger           contains=factorInteger
 if !exists('g:factor_syn_no_error') " more general
   syn cluster factorInteger         add=factorIntegerError
-  syn match   factorIntegerError    /\v<[+-]=%(\d|,){-}\d%(\d|,)*>/
+  syn match   factorIntegerError    /\v<[+-]=%(\d|,|_){-}\d%(\d|,|_)*>/
 endif
-syn match   factorInteger           /\v<[+-]=\d%(\d|,)*,@1<!>/
+syn match   factorInteger           /\v<[+-]=\d%(\d|,|_)*,@1<!>/
 
 syn cluster factorFloat             contains=factorFloat
 if !exists('g:factor_syn_no_error') " more general
   syn cluster factorFloat           add=factorFloatError
-  syn match   factorFloatError      /\v<[+-]=%(\S{-}\d&%(\d|,)*%([eE][+-]=%(\d|,)*|\.%(\d|,)*%([eE][+-]=%(\d|,)*)?)|\.%(\d|,)+%([eE][+-]=%(\d|,)*)?)>/
+  syn match   factorFloatError      /\v<[+-]=%(\S{-}\d&%(\d|,|_)*%([eE][+-]=%(\d|,|_)*|\.%(\d|,|_)*%([eE][+-]=%(\d|,|_)*)?)|\.%(\d|,|_)+%([eE][+-]=%(\d|,|_)*)?)>/
 endif
-syn match   factorFloat             /\v<[+-]=%(\d%(\d|,)*,@1<!%([eE][+-]=\d%(\d|,)*,@1<!|\.%(\d%(\d|,)*,@1<!)?%([eE][+-]=\d%(\d|,)*,@1<!)?)|\.\d%(\d|,)*,@1<!%([eE][+-]=\d%(\d|,)*,@1<!)?)>/
+syn match   factorFloat             /\v<[+-]=%(\d%(\d|,|_)*,@1<!%([eE][+-]=\d%(\d|,|_)*,@1<!|\.%(\d%(\d|,|_)*,@1<!)?%([eE][+-]=\d%(\d|,|_)*,@1<!)?)|\.\d%(\d|,|_)*,@1<!%([eE][+-]=\d%(\d|,|_)*,@1<!)?)>/
 
 syn cluster factorRatio             contains=factorRatio
 if !exists('g:factor_syn_no_error') " more general
   syn cluster factorRatio           add=factorRatioError
-  syn match   factorRatioError      /\v<[+-]=%(\S{-}\d.{-}\/&%(\d|,)*\.?%(\d|,)*%([+-]%(\d|,)*)?)\/[+-]=%(\S{-}\d&%(\d|,)*\.?%(\d|,)*%([eE][+-]=%(\d|,)*)?)>/
+  syn match   factorRatioError      /\v<[+-]=%(\S{-}\d.{-}\/&%(\d|,|_)*\.?%(\d|,|_)*%([+-]%(\d|,|_)*)?)\/[+-]=%(\S{-}\d&%(\d|,|_)*\.?%(\d|,|_)*%([eE][+-]=%(\d|,|_)*)?)>/
 endif
-syn match   factorRatio             /\v<([+-]=)\d%(\d|,)*,@1<!%(\1@=[+-](\d%(\d|,)*,@1<!)\/\2@!\d%(\d|,)*,@1<!|\/%(\d%(\d|,)*,@1<!%(\.%(\d%(\d|,)*,@1<!)?)?|\.\d%(\d|,)*,@1<!)%([eE][+-]=\d%(\d|,)*,@1<!)?)%(\/0)@2<!>/
+syn match   factorRatio             /\v<([+-]=)\d%(\d|,|_)*,@1<!%(\1@=[+-](\d%(\d|,|_)*,@1<!)\/\2@!\d%(\d|,|_)*,@1<!|\/%(\d%(\d|,|_)*,@1<!%(\.%(\d%(\d|,|_)*,@1<!)?)?|\.\d%(\d|,|_)*,@1<!)%([eE][+-]=\d%(\d|,|_)*,@1<!)?)%(\/0)@2<!>/
 
 syn region  factorComplex           start=/\v<C\{>/   skip=/\v<!>.*/ end=/\v<\}>/    contains=@factorComment,@factorReal
 
 syn cluster factorBin               contains=factorBin
 if !exists('g:factor_syn_no_error')
   syn cluster factorBin             add=factorBinError
-  syn match   factorBinError        /\v<[+-]=0[bB]%(\S{-}\w&%(\w|,)*\.?%(\w|,)*%([pP][+-]=%(\w|,)*)?)>/
+  syn match   factorBinError        /\v<[+-]=0[bB]%(\S{-}\w&%(\w|,|_)*\.?%(\w|,|_)*%([pP][+-]=%(\w|,|_)*)?)>/
 endif
-syn match   factorBin               /\v<[+-]=0[bB]%([01][01,]*,@1<!%(\.%([01][01,]*,@1<!)?)?|\.[01][01,]*,@1<!)%([pP][+-]=\d%(\d|,)*,@1<!)?>/
+syn match   factorBin               /\v<[+-]=0[bB]%([01][01,_]*,@1<!%(\.%([01][01,_]*,@1<!)?)?|\.[01][01,_]*,@1<!)%([pP][+-]=\d%(\d|,|_)*,@1<!)?>/
 
 syn cluster factorOct               contains=factorOct
 if !exists('g:factor_syn_no_error')
   syn cluster factorOct             add=factorOctError
-  syn match   factorOctError        /\v<[+-]=0[oO]%(\S{-}\o&%(\w|,)*\.?(\w|,)*%([pP][+-]=%(\w|,)*)?)>/
+  syn match   factorOctError        /\v<[+-]=0[oO]%(\S{-}\o&%(\w|,|_)*\.?(\w|,|_)*%([pP][+-]=%(\w|,|_)*)?)>/
 endif
-syn match   factorOct               /\v<[+-]=0[oO]%(\o%(\o|,)*,@1<!%(\.%(\o%(\o|,)*,@1<!)?)?|\.\o%(\o|,)*,@1<!)%([pP][+-]=\d%(\d|,)*,@1<!)?>/
+syn match   factorOct               /\v<[+-]=0[oO]%(\o%(\o|,|_)*,@1<!%(\.%(\o%(\o|,|_)*,@1<!)?)?|\.\o%(\o|,|_)*,@1<!)%([pP][+-]=\d%(\d|,|_)*,@1<!)?>/
 
 syn cluster factorHex               contains=factorHex
 syn cluster factorHexNoRadix        contains=factorHexNoRadix
 if !exists('g:factor_syn_no_error')
   syn cluster factorHex             add=factorHexError
-  syn match   factorHexError        /\v<[+-]=0[xX]%(\S{-}\x&%(\x|,)*\.?(\x|,)*%([pP][+-]=%(\w|,)*)?)>/
+  syn match   factorHexError        /\v<[+-]=0[xX]%(\S{-}\x&%(\x|,|_)*\.?(\x|,|_)*%([pP][+-]=%(\w|,|_)*)?)>/
   syn cluster factorHexNoRadix      add=factorHexNoRadixError
-  syn match   factorHexNoRadixError /\v<[+-]=%(\S{-}\x&%(\w|,)*\.?(\w|,)*%([pP][+-]=%(\w|,)*)?)>/   contained
+  syn match   factorHexNoRadixError /\v<[+-]=%(\S{-}\x&%(\w|,|_)*\.?(\w|,|_)*%([pP][+-]=%(\w|,|_)*)?)>/   contained
 endif
-syn match   factorHex               /\v<[+-]=0[xX]%(\x%(\x|,)*,@1<!%(\.%(\x%(\x|,)*,@1<!)?)?|\.\x%(\x|,)*,@1<!)%([pP][+-]=\d%(\d|,)*,@1<!)?>/
-syn match   factorHexNoRadix        /\v<[+-]=%(\x%(\x|,)*,@1<!%(\.%(\x%(\x|,)*,@1<!)?)?|\.\x%(\x|,)*,@1<!)%([pP][+-]=\d%(\d|,)*,@1<!)?>/  contained
+syn match   factorHex               /\v<[+-]=0[xX]%(\x%(\x|,|_)*,@1<!%(\.%(\x%(\x|,|_)*,@1<!)?)?|\.\x%(\x|,|_)*,@1<!)%([pP][+-]=\d%(\d|,|_)*,@1<!)?>/
+syn match   factorHexNoRadix        /\v<[+-]=%(\x%(\x|,|_)*,@1<!%(\.%(\x%(\x|,|_)*,@1<!)?)?|\.\x%(\x|,|_)*,@1<!)%([pP][+-]=\d%(\d|,|_)*,@1<!)?>/  contained
 
 syn region  factorNan matchgroup=factorNan    start=/\v<NAN:>/ matchgroup=NONE skip=/\v<!>.*/   end=/\v<\S+>/   contains=@factorComment,@factorHexNoRadix keepend