Merge branch 'main' into fix-mixed-args

Author: fwcd

.github/workflows/build.yml

@@ -25,8 +25,18 @@ jobs:
           diff=`git diff HEAD -- src`
           echo "$diff"
           test -z "$diff"
-      - name: Output parser size
-        run: du -sh src/* | sort -h
+      - name: Check the parser size
+        run: |
+          size_kib="$(du -sk src/parser.c | cut -f1)"
+          size_mib="$((size_kib / 1024))"
+          max_size_mib=35
+
+          echo "The parser is now at $size_mib MiB"
+          if [ "$size_mib" -gt "$max_size_mib" ]; then
+            echo "This is greater than the maximum size of $max_size_mib MiB!"
+            exit 1
+          fi
+        shell: bash
       - name: Run tests
         run: npm test
       - name: Set up Rust

grammar.js

@@ -760,7 +760,7 @@ module.exports = grammar({
       $.bin_literal,
       $.character_literal,
       $.real_literal,
-      "null",
+      $.null_literal,
       $.long_literal,
       $.unsigned_literal
     ),
@@ -830,16 +830,16 @@ module.exports = grammar({
 
     if_expression: $ => prec.right(seq(
       "if",
-      "(", $._expression, ")",
+      "(", field('condition', $._expression), ")",
       choice(
-        $.control_structure_body,
-        ";",
+        field('consequence', $.control_structure_body),
         seq(
-          optional($.control_structure_body),
+          optional(field('consequence', $.control_structure_body)),
           optional(";"),
-          "else",
-          choice($.control_structure_body, ";")
-        )
+          "else", 
+          choice(field('alternative', $.control_structure_body), ";")
+        ),
+        ";"
       )
     )),
 
@@ -1208,6 +1208,8 @@ module.exports = grammar({
       $._escaped_identifier
     ),
 
+    null_literal: $ => "null",
+
     // ==========
     // Identifiers
     // ==========

queries/highlights.scm

@@ -205,7 +205,7 @@
 ] @number
 
 [
-	"null" ; should be highlighted the same as booleans
+	(null_literal) ; should be highlighted the same as booleans
 	(boolean_literal)
 ] @boolean
 

src/grammar.json

@@ -3806,8 +3806,8 @@
           "name": "real_literal"
         },
         {
-          "type": "STRING",
-          "value": "null"
+          "type": "SYMBOL",
+          "name": "null_literal"
         },
         {
           "type": "SYMBOL",
@@ -4249,8 +4249,12 @@
             "value": "("
           },
           {
-            "type": "SYMBOL",
-            "name": "_expression"
+            "type": "FIELD",
+            "name": "condition",
+            "content": {
+              "type": "SYMBOL",
+              "name": "_expression"
+            }
           },
           {
             "type": "STRING",
@@ -4260,12 +4264,12 @@
             "type": "CHOICE",
             "members": [
               {
-                "type": "SYMBOL",
-                "name": "control_structure_body"
-              },
-              {
-                "type": "STRING",
-                "value": ";"
+                "type": "FIELD",
+                "name": "consequence",
+                "content": {
+                  "type": "SYMBOL",
+                  "name": "control_structure_body"
+                }
               },
               {
                 "type": "SEQ",
@@ -4274,8 +4278,12 @@
                     "type": "CHOICE",
                     "members": [
                       {
-                        "type": "SYMBOL",
-                        "name": "control_structure_body"
+                        "type": "FIELD",
+                        "name": "consequence",
+                        "content": {
+                          "type": "SYMBOL",
+                          "name": "control_structure_body"
+                        }
                       },
                       {
                         "type": "BLANK"
@@ -4302,8 +4310,12 @@
                     "type": "CHOICE",
                     "members": [
                       {
-                        "type": "SYMBOL",
-                        "name": "control_structure_body"
+                        "type": "FIELD",
+                        "name": "alternative",
+                        "content": {
+                          "type": "SYMBOL",
+                          "name": "control_structure_body"
+                        }
                       },
                       {
                         "type": "STRING",
@@ -4312,6 +4324,10 @@
                     ]
                   }
                 ]
+              },
+              {
+                "type": "STRING",
+                "value": ";"
               }
             ]
           }
@@ -6177,6 +6193,10 @@
         }
       ]
     },
+    "null_literal": {
+      "type": "STRING",
+      "value": "null"
+    },
     "_lexical_identifier": {
       "type": "CHOICE",
       "members": [