parseUnary -> parseMaybeUnary

babel · Jul 27, 2020 · 206786e · 206786e
1 parent 03789f3
commit 206786e
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Showing 2 changed files with 12 additions and 11 deletions.
diff --git a/packages/babel-parser/src/parser/expression.js b/packages/babel-parser/src/parser/expression.js
@@ -188,6 +188,7 @@ export default class ExpressionParser extends LValParser {
   // Parse an assignment expression. This includes applications of
   // operators like `+=`.
 
+  // https://tc39.es/ecma262/#prod-AssignmentExpression
   parseMaybeAssign(
     noIn?: ?boolean,
     refExpressionErrors?: ?ExpressionErrors,
@@ -320,7 +321,7 @@ export default class ExpressionParser extends LValParser {
     const startPos = this.state.start;
     const startLoc = this.state.startLoc;
     const potentialArrowAt = this.state.potentialArrowAt;
-    const expr = this.parseUnary(refExpressionErrors);
+    const expr = this.parseMaybeUnary(refExpressionErrors);
 
     if (this.shouldExitDescending(expr, potentialArrowAt)) {
       return expr;
@@ -471,7 +472,7 @@ export default class ExpressionParser extends LValParser {
     const startLoc = this.state.startLoc;
 
     return this.parseExprOp(
-      this.parseUnary(),
+      this.parseMaybeUnary(),
       startPos,
       startLoc,
       op.rightAssociative ? prec - 1 : prec,
@@ -481,7 +482,7 @@ export default class ExpressionParser extends LValParser {
 
   // Parse unary operators, both prefix and postfix.
   // https://tc39.es/ecma262/#prod-UnaryExpression
-  parseUnary(refExpressionErrors: ?ExpressionErrors): N.Expression {
+  parseMaybeUnary(refExpressionErrors: ?ExpressionErrors): N.Expression {
     if (this.isContextual("await") && this.isAwaitAllowed()) {
       return this.parseAwait();
     }
@@ -497,7 +498,7 @@ export default class ExpressionParser extends LValParser {
       const isDelete = this.match(tt._delete);
       this.next();
 
-      node.argument = this.parseUnary();
+      node.argument = this.parseMaybeUnary();
 
       this.checkExpressionErrors(refExpressionErrors, true);
 
@@ -2424,7 +2425,7 @@ export default class ExpressionParser extends LValParser {
     }
 
     if (!this.state.soloAwait) {
-      node.argument = this.parseUnary();
+      node.argument = this.parseMaybeUnary();
     }
 
     return this.finishNode(node, "AwaitExpression");
@@ -2642,7 +2643,7 @@ export default class ExpressionParser extends LValParser {
     this.state.inFSharpPipelineDirectBody = true;
 
     const ret = this.parseExprOp(
-      this.parseUnary(),
+      this.parseMaybeUnary(),
       startPos,
       startLoc,
       prec,

diff --git a/packages/babel-parser/src/plugins/typescript/index.js b/packages/babel-parser/src/plugins/typescript/index.js
@@ -762,7 +762,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
             if (nextToken.type !== tt.num && nextToken.type !== tt.bigint) {
               throw this.unexpected();
             }
-            node.literal = this.parseUnary();
+            node.literal = this.parseMaybeUnary();
             return this.finishNode(node, "TSLiteralType");
           }
           break;
@@ -1118,7 +1118,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
       const _const = this.tsTryNextParseConstantContext();
       node.typeAnnotation = _const || this.tsNextThenParseType();
       this.expectRelational(">");
-      node.expression = this.parseUnary();
+      node.expression = this.parseMaybeUnary();
       return this.finishNode(node, "TSTypeAssertion");
     }
 
@@ -2384,7 +2384,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
         // (Because in JSX the '<' should be a jsxTagStart and not a relational.
         assert(!this.hasPlugin("jsx"));
 
-        // This will start with a type assertion (via parseUnary).
+        // This will start with a type assertion (via parseMaybeUnary).
         // But don't directly call `this.tsParseTypeAssertion` because we want to handle any binary after it.
         typeCast = this.tryParse(() => super.parseMaybeAssign(...args), state);
         /*:: invariant(!typeCast.aborted) */
@@ -2417,11 +2417,11 @@ export default (superClass: Class<Parser>): Class<Parser> =>
     }
 
     // Handle type assertions
-    parseUnary(refExpressionErrors?: ?ExpressionErrors): N.Expression {
+    parseMaybeUnary(refExpressionErrors?: ?ExpressionErrors): N.Expression {
       if (!this.hasPlugin("jsx") && this.isRelational("<")) {
         return this.tsParseTypeAssertion();
       } else {
-        return super.parseUnary(refExpressionErrors);
+        return super.parseMaybeUnary(refExpressionErrors);
       }
     }