php.vim: show syntax error on invalid chars in "$a[]"

diff --git a/php.vim b/php.vim
index 4edc29a..0d4342b 100644 (file)
--- a/php.vim
+++ b/php.vim
@@ -295,15 +295,17 @@ syn region  phpIdentifierComplex  matchgroup=phpParent start="{\$"rs=e-1 end="}"
 syn region  phpIdentifierComplexP matchgroup=phpParent start="\[" end="]" contains=@phpClInside contained
 
 " Interpolated indentifiers (inside strings)
+       syn match phpBrackets "[][}{]" contained display
        " errors
-               syn match phpInterpEmptyKey "\[\]" contained display
-               syn match phpInterpEmptyKey "->[^a-zA-Z_]" contained display
+               syn match phpInterpSimpleError "\[[^]]*\]" contained display
+               syn match phpInterpSimpleError "->[^a-zA-Z_]" contained display
                " make sure these stay above the correct DollarCurlies so they don't take priority
                syn match phpInterpBogusDollarCurley "${.*}" contained display
-       syn match phpBrackets "[][}{]" contained display
        syn match phpinterpSimpleBracketsInner "\w\+" contained
-       syn match phpInterpSimpleBrackets "\[\w*]" contained contains=phpBrackets,phpInterpSimpleBracketsInner
-       syn match phpInterpSimple "\$\h\w*\(\[\w*\]\|->\h\w*\)\?" contained contains=phpInterpSimpleBrackets,phpIdentifier,phpInterpEmptyKey,phpMethods,phpMemberSelector display
+       syn match phpInterpSimpleBrackets "\[\h\w*]" contained contains=phpBrackets,phpInterpSimpleBracketsInner
+       syn match phpInterpSimpleBrackets "\[\d\+]" contained contains=phpBrackets,phpInterpSimpleBracketsInner
+       syn match phpInterpSimpleBrackets "\[0[xX]\x\+]" contained contains=phpBrackets,phpInterpSimpleBracketsInner
+       syn match phpInterpSimple "\$\h\w*\(\[[^]]*\]\|->\h\w*\)\?" contained contains=phpInterpSimpleBrackets,phpIdentifier,phpInterpSimpleError,phpMethods,phpMemberSelector display
        syn match phpInterpVarname "\h\w*" contained
        syn match phpInterpMethodName "\h\w*" contained " default color
        syn match phpInterpSimpleCurly "\${\h\w*}"  contains=phpInterpVarname contained extend
@@ -653,7 +655,7 @@ if version >= 508 || !exists("did_php_syn_inits")
   HiLink   phpIdentifierConst Delimiter
   HiLink   phpParentError Error
   HiLink   phpOctalError  Error
-  HiLink   phpInterpEmptyKey Error
+  HiLink   phpInterpSimpleError Error
   HiLink   phpInterpBogusDollarCurley Error
   HiLink   phpInterpDollarCurly1 Error
   HiLink   phpInterpDollarCurly2 Error