foreachelse

Author: deltragon

grammar.js

@@ -306,11 +306,18 @@ module.exports = grammar(html, {
       ),
       "}",
       repeat($._node),
+      field('alternative', optional($.smarty_foreachelse_nodes)),
       "{/",
       keyword("foreach"),
       "}"
     ),
 
+    smarty_foreachelse_nodes: ($) => seq(
+      prefixedKeyword("{", "foreachelse"),
+      "}",
+      field('body', repeat($._node)),
+    ),
+
     smarty_function_definition: $ => seq(
       prefixedKeyword("{", "function"),
       field("function_name", $.smarty_name),

queries/highlights.scm

@@ -78,6 +78,7 @@
 (smarty_if_attrval_dq alternative: (smarty_else_attrval_dq ("}" @punctuation.special)))
 
 (smarty_foreach_nodes ["{/" "}"] @punctuation.special)
+(smarty_foreach_nodes alternative: (smarty_foreachelse_nodes ("}" @punctuation.special)))
 (smarty_foreach_nodes "as" @keyword)
 (smarty_foreach_nodes "=>" @punctuation.delimiter)
 
@@ -87,6 +88,7 @@
 "elseif" @keyword
 "else" @keyword
 "foreach" @keyword
+"foreachelse" @keyword
 "function" @keyword
 
 ; #eq? is builtin to treesitter (or at least mentioned by the docs),
@@ -120,3 +122,8 @@
  (#lua-match? @punctuation.special.foreach_start "^%s*{foreach")
  (#offset! @punctuation.special.foreach_start 0 0 0 -7)
 )
+(
+ ("foreachelse" @punctuation.special.foreachelse_start)
+ (#lua-match? @punctuation.special.foreachelse_start "^%s*{foreachelse")
+ (#offset! @punctuation.special.foreachelse_start 0 0 0 -11)
+)

src/grammar.json

@@ -2717,6 +2717,22 @@
             "name": "_node"
           }
         },
+        {
+          "type": "FIELD",
+          "name": "alternative",
+          "content": {
+            "type": "CHOICE",
+            "members": [
+              {
+                "type": "SYMBOL",
+                "name": "smarty_foreachelse_nodes"
+              },
+              {
+                "type": "BLANK"
+              }
+            ]
+          }
+        },
         {
           "type": "STRING",
           "value": "{/"
@@ -2736,6 +2752,55 @@
         }
       ]
     },
+    "smarty_foreachelse_nodes": {
+      "type": "SEQ",
+      "members": [
+        {
+          "type": "ALIAS",
+          "content": {
+            "type": "TOKEN",
+            "content": {
+              "type": "SEQ",
+              "members": [
+                {
+                  "type": "STRING",
+                  "value": "{"
+                },
+                {
+                  "type": "IMMEDIATE_TOKEN",
+                  "content": {
+                    "type": "ALIAS",
+                    "content": {
+                      "type": "PATTERN",
+                      "value": "[fF][oO][rR][eE][aA][cC][hH][eE][lL][sS][eE]"
+                    },
+                    "named": false,
+                    "value": "foreachelse"
+                  }
+                }
+              ]
+            }
+          },
+          "named": false,
+          "value": "foreachelse"
+        },
+        {
+          "type": "STRING",
+          "value": "}"
+        },
+        {
+          "type": "FIELD",
+          "name": "body",
+          "content": {
+            "type": "REPEAT",
+            "content": {
+              "type": "SYMBOL",
+              "name": "_node"
+            }
+          }
+        }
+      ]
+    },
     "smarty_function_definition": {
       "type": "SEQ",
       "members": [

src/node-types.json

@@ -1497,6 +1497,16 @@
     "type": "smarty_foreach_nodes",
     "named": true,
     "fields": {
+      "alternative": {
+        "multiple": false,
+        "required": false,
+        "types": [
+          {
+            "type": "smarty_foreachelse_nodes",
+            "named": true
+          }
+        ]
+      },
       "from": {
         "multiple": true,
         "required": false,
@@ -1655,6 +1665,70 @@
       ]
     }
   },
+  {
+    "type": "smarty_foreachelse_nodes",
+    "named": true,
+    "fields": {
+      "body": {
+        "multiple": true,
+        "required": false,
+        "types": [
+          {
+            "type": "doctype",
+            "named": true
+          },
+          {
+            "type": "element",
+            "named": true
+          },
+          {
+            "type": "erroneous_end_tag",
+            "named": true
+          },
+          {
+            "type": "script_element",
+            "named": true
+          },
+          {
+            "type": "smarty_assignment",
+            "named": true
+          },
+          {
+            "type": "smarty_comment",
+            "named": true
+          },
+          {
+            "type": "smarty_foreach_nodes",
+            "named": true
+          },
+          {
+            "type": "smarty_function_call",
+            "named": true
+          },
+          {
+            "type": "smarty_function_definition",
+            "named": true
+          },
+          {
+            "type": "smarty_if_nodes",
+            "named": true
+          },
+          {
+            "type": "smarty_interpolation",
+            "named": true
+          },
+          {
+            "type": "style_element",
+            "named": true
+          },
+          {
+            "type": "text",
+            "named": true
+          }
+        ]
+      }
+    }
+  },
   {
     "type": "smarty_function_call",
     "named": true,
@@ -3099,6 +3173,10 @@
     "type": "foreach",
     "named": false
   },
+  {
+    "type": "foreachelse",
+    "named": false
+  },
   {
     "type": "from",
     "named": false