Fix implication operator highlight (#506)

* fix syntax highlighting for implication operator

* add language example for implication operator

Author: mshr-h

language_examples/systemverilog/implication.sv

@@ -0,0 +1,15 @@
+module test;
+
+wire a, b;
+
+property p;
+  @(posedge clk) a |-> b;
+endproperty
+a: assert property(p);
+
+property p;
+  @(posedge clk) a |=> b;
+endproperty
+a: assert property(p);
+
+endmodule

syntaxes/systemverilog.tmLanguage.json

@@ -878,6 +878,14 @@
     },
     "operators": {
       "patterns": [
+        {
+          "match": "\\b(?:dist|inside|with|intersect|and|or|throughout|within|first_match)\\b|:=|:/|\\|->|\\|=>|->>|\\*>|#-#|#=#|&&&",
+          "name": "keyword.operator.logical.systemverilog"
+        },
+        {
+          "match": "@|##|#|->|<->",
+          "name": "keyword.operator.channel.systemverilog"
+        },
         {
           "match": "\\+=|-=|/=|\\*=|%=|&=|\\|=|\\^=|>>>=|>>=|<<<=|<<=|<=|=",
           "name": "keyword.operator.assignment.systemverilog"
@@ -909,14 +917,6 @@
         {
           "match": "<=|<|>=|>|==\\?|!=\\?|===|!==|==|!=",
           "name": "keyword.operator.comparison.systemverilog"
-        },
-        {
-          "match": "@|##|#|->|<->",
-          "name": "keyword.operator.channel.systemverilog"
-        },
-        {
-          "match": "\\b(?:dist|inside|with|intersect|and|or|throughout|within|first_match)\\b|:=|:/|\\|->|\\|=>|->>|\\*>|#-#|#=#|&&&",
-          "name": "keyword.operator.logical.systemverilog"
         }
       ]
     },

syntaxes/systemverilog.tmLanguage.yaml

@@ -472,6 +472,10 @@ repository:
         name: keyword.operator.quantifier.regexp
   operators:
     patterns:
+      - match: \b(?:dist|inside|with|intersect|and|or|throughout|within|first_match)\b|:=|:/|\|->|\|=>|->>|\*>|#-#|#=#|&&&
+        name: keyword.operator.logical.systemverilog
+      - match: '@|##|#|->|<->'
+        name: keyword.operator.channel.systemverilog
       - match: \+=|-=|/=|\*=|%=|&=|\|=|\^=|>>>=|>>=|<<<=|<<=|<=|=
         name: keyword.operator.assignment.systemverilog
       # - match: :|\?
@@ -490,10 +494,6 @@ repository:
         name: keyword.operator.bitwise.systemverilog
       - match: <=|<|>=|>|==\?|!=\?|===|!==|==|!=
         name: keyword.operator.comparison.systemverilog
-      - match: '@|##|#|->|<->'
-        name: keyword.operator.channel.systemverilog
-      - match: \b(?:dist|inside|with|intersect|and|or|throughout|within|first_match)\b|:=|:/|\|->|\|=>|->>|\*>|#-#|#=#|&&&
-        name: keyword.operator.logical.systemverilog
   comments:
     patterns:
       - begin: /\*