Added support for, for await loops.

antlr · Feb 20, 2024 · c888914 · c888914
1 parent 2dfc3c4
commit c888914
Show file tree

Hide file tree

Showing 2 changed files with 22 additions and 2 deletions.
diff --git a/javascript/typescript/TypeScriptParser.g4 b/javascript/typescript/TypeScriptParser.g4
@@ -476,8 +476,10 @@ iterationStatement
     | While '(' expressionSequence ')' statement                                                                            # WhileStatement
     | For '(' expressionSequence? SemiColon expressionSequence? SemiColon expressionSequence? ')' statement                 # ForStatement
     | For '(' varModifier variableDeclarationList SemiColon expressionSequence? SemiColon expressionSequence? ')' statement # ForVarStatement
-    | For '(' singleExpression (In | Identifier {this.p("of")}?) expressionSequence ')' statement                           # ForInStatement
-    | For '(' varModifier variableDeclaration (In | Identifier {this.p("of")}?) expressionSequence ')' statement            # ForVarInStatement
+    | For '(' singleExpression In expressionSequence ')' statement                                                          # ForInStatement
+    | For '(' varModifier variableDeclaration In expressionSequence ')' statement                                           # ForVarInStatement
+    | For Await? '(' singleExpression Identifier {this.p("of")}? expressionSequence ')' statement                           # ForOfStatement
+    | For Await? '(' varModifier variableDeclaration Identifier {this.p("of")}? expressionSequence ')' statement            # ForVarOfStatement
     ;
 
 varModifier

diff --git a/javascript/typescript/examples/Loop.ts b/javascript/typescript/examples/Loop.ts
@@ -0,0 +1,18 @@
+let object = {};
+for (let field in object) {
+};
+
+let array = [];
+for (let element of array) {
+};
+
+for (let element: number of array) {
+};
+
+for await (const document of array) {
+
+};
+
+for await (const document: string of array) {
+
+};