vim: add kebab-case identifier support

ivy.vim/syntax/ivy.vim

@@ -4,9 +4,30 @@ endif
 
 let s:save_cpo = &cpoptions
 set cpoptions&vim
-"setlocal iskeyword+=:
+setlocal iskeyword+=-
 
-syn match       ivyType                     /\<[A-Z]\{1,2\}\([a-z0-9]\+[A-Z]\{0,2\}\)*\>/
+syn match       ivyType                     /\<[A-Z]\{1,2}[a-z0-9]\+\(-\?[A-Z]\{1,2}[a-z0-9]\+\)*\>/
+
+syn match	ivySelectorLabel	/\<[a-z][A-Za-z0-9-_]*\:/
+"syn match	ivySelectorLabel	/\<\([a-z]\([A-Za-z0-9_]\+\)\:\(\:\)\@!\)\+/
+syn match	ivyUnnamedVariable	/\<_\>/
+
+syn match	ivyAtomName	/\$[a-z][a-z0-9_:/-]*\>/
+syn match       ivyWord                     /\<[a-z_][a-zA-Z0-9_]*\(-\?[a-zA-Z][a-zA-Z0-9_]*\)*\>\(\:\)\@!/
+
+syn match	ivyComplexMessageName	/\<\zs[A-Za-z][A-Za-z0-9-_]\+\ze(/
+"syn match	ivyUnaryMessageName	/-\s*[a-zA-z][a-zA-Z0-9_]\+\s*\n/
+syn match	ivyUnaryMessageName	/\(-\s*\)\@<=[a-z][A-Za-z0-9-_]*\(\s*\n\)\@=/
+syn match	ivyUnaryMessageName	/\(-\s*\)\@<=[a-z][A-Za-z0-9-_]*\(\s*|\)\@=/
+syn match	ivyUnaryMessageName	/\(+\s*\)\@<=[a-z][A-Za-z0-9-_]*\(\s*\n\)\@=/
+syn match	ivyUnaryMessageName	/\(+\s*\)\@<=[a-z][A-Za-z0-9-_]*\(\s*|\)\@=/
+syn match	ivyPropertyName	/\(->\s*\)\@<=[a-z][A-Za-z0-9-_]*/
+
+syn match	ivyLineContinuation	/\\\n/
+
+" Modifiers
+
+syn match 	ivySelfVar	/\<self\([^a-zA-Z0-9-_]\)\@=/
 
 " we have to use syn match for keywords because any keyword can be used as a
 " label by adding : to the end, and adding : to iskeyword causes more problems
@@ -18,27 +39,6 @@ syn match	ivyException	/\(try\|catch\|finally\|throw\)\>\(\:\)\@!/
 syn match	ivyBuiltinVar	/\(error\|cout\|cin\|cerr\)\>\(\:\)\@!/
 syn match	ivyUnspecifiedStatement	/\(var\|end\|package\|use\|as\|then\|in\|do\|get\|set\)\>\(\:\)\@!/
 
-syn match	ivySelectorLabel	/\<[a-z][A-Za-z0-9_]*\:/
-"syn match	ivySelectorLabel	/\<\([a-z]\([A-Za-z0-9_]\+\)\:\(\:\)\@!\)\+/
-syn match	ivyUnnamedVariable	/\<_\>/
-
-syn match	ivyAtomName	/\$[a-z][a-z0-9_:/]*\>/
-
-syn match	ivyComplexMessageName	/\<\zs[A-Za-z][A-Za-z0-9]\+\ze(/
-"syn match	ivyUnaryMessageName	/-\s*[a-zA-z][a-zA-Z0-9_]\+\s*\n/
-syn match	ivyUnaryMessageName	/\(-\s*\)\@<=[a-z][A-Za-z0-9_]*\(\s*\n\)\@=/
-syn match	ivyUnaryMessageName	/\(-\s*\)\@<=[a-z][A-Za-z0-9_]*\(\s*|\)\@=/
-syn match	ivyUnaryMessageName	/\(+\s*\)\@<=[a-z][A-Za-z0-9_]*\(\s*\n\)\@=/
-syn match	ivyUnaryMessageName	/\(+\s*\)\@<=[a-z][A-Za-z0-9_]*\(\s*|\)\@=/
-syn match	ivyPropertyName	/\(->\s*\)\@<=[a-z][A-Za-z0-9_]*/
-
-syn match	ivyLineContinuation	/\\\n/
-
-" Modifiers
-
-syn match 	ivySelfVar	/\<self\([^a-zA-Z0-9_]\)\@=/
-
-
 syn match	ivyPackageStmtIdentifier	/\(package \)\@<=\([A-Za-z_][A-Za-z0-9_]*\)\(.\([A-Za-z_][A-Za-z0-9_]*\)\)*\(\n\)\@=\>/
 syn match	ivyUseStmtIdentifier	/\(use \)\@<=\([A-Za-z_][A-Za-z0-9_]*\)\(.\([A-Za-z_][A-Za-z0-9_]*\)\)*\(\n\)\@=\>/
 
@@ -94,6 +94,7 @@ syn match	ivyCharacter	"'[^\\]'" display
 syn case	ignore
 syn match	ivyInteger	"\<0b[01_]*[01]\%([lu]\|lu\|ul\)\=\>" display
 syn match	ivyInteger	"\<\d\+\%(_\+\d\+\)*\%([lu]\|lu\|ul\)\=\>" display
+syn match	ivyInteger	"\<-\d\+\%(_\+\d\+\)*\%([lu]\|lu\|ul\)\=\>" display
 syn match	ivyInteger	"\<0x[[:xdigit:]_]*\x\%([lu]\|lu\|ul\)\=\>" display
 syn match	ivyReal	"\<\d\+\%(_\+\d\+\)*\.\d\+\%(_\+\d\+\)*\%\(e[-+]\=\d\+\%(_\+\d\+\)*\)\=[fdm]\=" display
 syn match	ivyReal	"\.\d\+\%(_\+\d\+\)*\%(e[-+]\=\d\+\%(_\+\d\+\)*\)\=[fdm]\=\>" display
@@ -197,6 +198,7 @@ hi def link	ivyCharacter	Character
 hi def link	ivySpecialChar	SpecialChar
 hi def link	ivyInteger	Number
 hi def link	ivyReal	Float
+hi def link	ivyWord	Identifier
 hi def link	ivyUnicodeNumber	SpecialChar
 hi def link	ivyUnicodeSpecifier	SpecialChar
 hi def link	ivyInterpolationDelimiter	Delimiter