Change the precedence of await so it's the same as other unary expressions
Fixes #384
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Operator_Precedence
diff --git a/escodegen.js b/escodegen.js
index 54e7cfa..a8d0170 100644
--- a/escodegen.js
+++ b/escodegen.js
@@ -82,7 +82,6 @@
Precedence = {
Sequence: 0,
Yield: 1,
- Await: 1,
Assignment: 1,
Conditional: 2,
ArrowFunction: 2,
@@ -96,6 +95,7 @@
BitwiseSHIFT: 10,
Additive: 11,
Multiplicative: 12,
+ Await: 13,
Unary: 13,
Postfix: 14,
Call: 15,
diff --git a/test/harmony.js b/test/harmony.js
index a57e484..2dfeaf9 100644
--- a/test/harmony.js
+++ b/test/harmony.js
@@ -5927,6 +5927,46 @@
}
},
+ 'async function test() {\n await (foo ? bar : quux);\n}': {
+ generateFrom: {
+ "type": "FunctionDeclaration",
+ "id": {
+ "type": "Identifier",
+ "name": "test"
+ },
+ "params": [],
+ "body": {
+ "type": "BlockStatement",
+ "body": [
+ {
+ "type": "ExpressionStatement",
+ "expression": {
+ "type": "AwaitExpression",
+ "argument": {
+ "type": "ConditionalExpression",
+ "test": {
+ "type": "Identifier",
+ "name": "foo"
+ },
+ "consequent": {
+ "type": "Identifier",
+ "name": "bar"
+ },
+ "alternate": {
+ "type": "Identifier",
+ "name": "quux"
+ }
+ }
+ }
+ }
+ ]
+ },
+ "generator": false,
+ "expression": false,
+ "async": true
+ }
+ },
+
'f(async function (promise) {\n await promise;\n});': {
generateFrom: {
"type": "ExpressionStatement",
