Allow blockParams on chained inverse statements

spec/parser.js

@@ -166,6 +166,9 @@ describe('parser', function() {
   it('parses inverse block with block params', function() {
     equals(ast_for("{{^foo as |bar baz|}}content{{/foo}}"), "BLOCK:\n  PATH:foo []\n  {{^}}\n    BLOCK PARAMS: [ bar baz ]\n    CONTENT[ 'content' ]\n");
   });
+  it('parses chained inverse block with block params', function() {
+    equals(ast_for("{{#foo}}{{else foo as |bar baz|}}content{{/foo}}"), "BLOCK:\n  PATH:foo []\n  PROGRAM:\n  {{^}}\n    BLOCK:\n      PATH:foo []\n      PROGRAM:\n        BLOCK PARAMS: [ bar baz ]\n        CONTENT[ 'content' ]\n");
+  });
   it("raises if there's a Parse error", function() {
     shouldThrow(function() {
       ast_for("foo{{^}}bar");

spec/tokenizer.js

@@ -1,3 +1,4 @@
+/*global Handlebars */
 function shouldMatchTokens(result, tokens) {
   for (var index = 0; index < result.length; index++) {
     equals(result[index].name, tokens[index]);
@@ -404,13 +405,16 @@ describe('Tokenizer', function() {
     var result = tokenize("{{#foo as |bar|}}");
     shouldMatchTokens(result, ['OPEN_BLOCK', 'ID', 'OPEN_BLOCK_PARAMS', 'ID', 'CLOSE_BLOCK_PARAMS', 'CLOSE']);
 
-    var result = tokenize("{{#foo as |bar baz|}}");
+    result = tokenize("{{#foo as |bar baz|}}");
     shouldMatchTokens(result, ['OPEN_BLOCK', 'ID', 'OPEN_BLOCK_PARAMS', 'ID', 'ID', 'CLOSE_BLOCK_PARAMS', 'CLOSE']);
 
-    var result = tokenize("{{#foo as | bar baz |}}");
+    result = tokenize("{{#foo as | bar baz |}}");
     shouldMatchTokens(result, ['OPEN_BLOCK', 'ID', 'OPEN_BLOCK_PARAMS', 'ID', 'ID', 'CLOSE_BLOCK_PARAMS', 'CLOSE']);
 
-    var result = tokenize("{{#foo as as | bar baz |}}");
+    result = tokenize("{{#foo as as | bar baz |}}");
     shouldMatchTokens(result, ['OPEN_BLOCK', 'ID', 'ID', 'OPEN_BLOCK_PARAMS', 'ID', 'ID', 'CLOSE_BLOCK_PARAMS', 'CLOSE']);
+
+    result = tokenize("{{else foo as |bar baz|}}");
+    shouldMatchTokens(result, ['OPEN_INVERSE_CHAIN', 'ID', 'OPEN_BLOCK_PARAMS', 'ID', 'ID', 'CLOSE_BLOCK_PARAMS', 'CLOSE']);
   });
 });

src/handlebars.yy

@@ -47,7 +47,7 @@ openInverse
   ;
 
 openInverseChain
-  : OPEN_INVERSE_CHAIN sexpr CLOSE -> yy.prepareMustache($2, $1, yy.stripFlags($1, $3), @$)
+  : OPEN_INVERSE_CHAIN sexpr blockParams? CLOSE -> { sexpr: $2, blockParams: $3, strip: yy.stripFlags($1, $4) }
   ;
 
 inverseAndProgram