cerxes/babel
3
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Parenthesized expressions (#8025)

Browse Source 
* Add parser createParenthesizedExpressions option  …

When set to `true` we create `ParenthesizedExpression` nodes instead of
setting `extra.parenthesized`.

* Also update babel-parser.d.ts
This commit is contained in:
Erik Arvidsson
2019-02-22 23:45:25 -08:00
committed by Nicolò Ribaudo
parent 28c71e88e2
commit fba5655a44
43 changed files with 1187 additions and 65 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
packages/babel-parser/src/parser/statement.js
View File

@@ -453,6 +453,13 @@ export default class StatementParser extends ExpressionParser {
return this.finishNode(node, "DebuggerStatement");
}
parseHeaderExpression(): N.Expression {
this.expect(tt.parenL);
const val = this.parseExpression();
this.expect(tt.parenR);
return val;
}
parseDoStatement(node: N.DoWhileStatement): N.DoWhileStatement {
this.next();
this.state.labels.push(loopLabel);
@@ -469,7 +476,7 @@ export default class StatementParser extends ExpressionParser {
this.state.labels.pop();
this.expect(tt._while);
node.test = this.parseParenExpression();
node.test = this.parseHeaderExpression();
this.eat(tt.semi);
return this.finishNode(node, "DoWhileStatement");
}
@@ -567,7 +574,7 @@ export default class StatementParser extends ExpressionParser {
parseIfStatement(node: N.IfStatement): N.IfStatement {
this.next();
node.test = this.parseParenExpression();
node.test = this.parseHeaderExpression();
node.consequent = this.parseStatement("if");
node.alternate = this.eat(tt._else) ? this.parseStatement("if") : null;
return this.finishNode(node, "IfStatement");
@@ -596,7 +603,7 @@ export default class StatementParser extends ExpressionParser {
parseSwitchStatement(node: N.SwitchStatement): N.SwitchStatement {
this.next();
node.discriminant = this.parseParenExpression();
node.discriminant = this.parseHeaderExpression();
const cases = (node.cases = []);
this.expect(tt.braceL);
this.state.labels.push(switchLabel);
@@ -715,7 +722,7 @@ export default class StatementParser extends ExpressionParser {
parseWhileStatement(node: N.WhileStatement): N.WhileStatement {
this.next();
node.test = this.parseParenExpression();
node.test = this.parseHeaderExpression();
this.state.labels.push(loopLabel);
node.body =
@@ -737,7 +744,7 @@ export default class StatementParser extends ExpressionParser {
this.raise(this.state.start, "'with' in strict mode");
}
this.next();
node.object = this.parseParenExpression();
node.object = this.parseHeaderExpression();
node.body =
// For the smartPipelines plugin: