Support hash table read syntax

README.md

@@ -14,7 +14,6 @@ Syntax supported:
 
 Currently unsupported:
 
-* Hash table literals
 * Autoload cookies
 * Special forms (e.g. `let`, currently treated as symbols)
 * Definitions (e.g. `defun`, `defvar`, `defmacro`)

grammar.js

@@ -34,6 +34,7 @@ module.exports = grammar({
       choice(
         $.list,
         $.vector,
+        $.hash_table,
         $.bytecode,
         $.string_text_properties,
         $._atom,
@@ -81,6 +82,8 @@ module.exports = grammar({
 
     string_text_properties: ($) => seq("#(", $.string, repeat($._sexp), ")"),
 
+    hash_table: ($) => seq("#s(hash-table", repeat($._sexp), ")"),
+
     comment: ($) => COMMENT,
   },
 });

src/grammar.json

@@ -19,6 +19,10 @@
           "type": "SYMBOL",
           "name": "vector"
         },
+        {
+          "type": "SYMBOL",
+          "name": "hash_table"
+        },
         {
           "type": "SYMBOL",
           "name": "bytecode"
@@ -387,6 +391,26 @@
         }
       ]
     },
+    "hash_table": {
+      "type": "SEQ",
+      "members": [
+        {
+          "type": "STRING",
+          "value": "#s(hash-table"
+        },
+        {
+          "type": "REPEAT",
+          "content": {
+            "type": "SYMBOL",
+            "name": "_sexp"
+          }
+        },
+        {
+          "type": "STRING",
+          "value": ")"
+        }
+      ]
+    },
     "comment": {
       "type": "TOKEN",
       "content": {

src/node-types.json

@@ -23,6 +23,10 @@
           "type": "float",
           "named": true
         },
+        {
+          "type": "hash_table",
+          "named": true
+        },
         {
           "type": "integer",
           "named": true
@@ -67,6 +71,73 @@
     "named": true,
     "fields": {}
   },
+  {
+    "type": "hash_table",
+    "named": true,
+    "fields": {},
+    "children": {
+      "multiple": true,
+      "required": false,
+      "types": [
+        {
+          "type": "byte_compiled_file_name",
+          "named": true
+        },
+        {
+          "type": "bytecode",
+          "named": true
+        },
+        {
+          "type": "char",
+          "named": true
+        },
+        {
+          "type": "float",
+          "named": true
+        },
+        {
+          "type": "hash_table",
+          "named": true
+        },
+        {
+          "type": "integer",
+          "named": true
+        },
+        {
+          "type": "list",
+          "named": true
+        },
+        {
+          "type": "quote",
+          "named": true
+        },
+        {
+          "type": "string",
+          "named": true
+        },
+        {
+          "type": "string_text_properties",
+          "named": true
+        },
+        {
+          "type": "symbol",
+          "named": true
+        },
+        {
+          "type": "unquote",
+          "named": true
+        },
+        {
+          "type": "unquote_splice",
+          "named": true
+        },
+        {
+          "type": "vector",
+          "named": true
+        }
+      ]
+    }
+  },
   {
     "type": "integer",
     "named": true,
@@ -100,6 +171,10 @@
           "type": "float",
           "named": true
         },
+        {
+          "type": "hash_table",
+          "named": true
+        },
         {
           "type": "integer",
           "named": true
@@ -163,6 +238,10 @@
           "type": "float",
           "named": true
         },
+        {
+          "type": "hash_table",
+          "named": true
+        },
         {
           "type": "integer",
           "named": true
@@ -226,6 +305,10 @@
           "type": "float",
           "named": true
         },
+        {
+          "type": "hash_table",
+          "named": true
+        },
         {
           "type": "integer",
           "named": true
@@ -289,6 +372,10 @@
           "type": "float",
           "named": true
         },
+        {
+          "type": "hash_table",
+          "named": true
+        },
         {
           "type": "integer",
           "named": true
@@ -357,6 +444,10 @@
           "type": "float",
           "named": true
         },
+        {
+          "type": "hash_table",
+          "named": true
+        },
         {
           "type": "integer",
           "named": true
@@ -420,6 +511,10 @@
           "type": "float",
           "named": true
         },
+        {
+          "type": "hash_table",
+          "named": true
+        },
         {
           "type": "integer",
           "named": true
@@ -483,6 +578,10 @@
           "type": "float",
           "named": true
         },
+        {
+          "type": "hash_table",
+          "named": true
+        },
         {
           "type": "integer",
           "named": true
@@ -538,6 +637,10 @@
     "type": "#[",
     "named": false
   },
+  {
+    "type": "#s(hash-table",
+    "named": false
+  },
   {
     "type": "'",
     "named": false

test/corpus/hash_table.txt

@@ -0,0 +1,11 @@
+================================================================================
+Hash table read syntax
+================================================================================
+
+#s(hash-table 0)
+
+--------------------------------------------------------------------------------
+
+(source_file
+  (hash_table
+    (integer)))