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Fix negative number literal typeannotations (#366)

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* Fix negative number literal typeannotations

Also use parseLiteral() to parser string and number literal typeannotations
so that future changes (estree) to literals are also reflected to flow.

* Instead of invalid fallthrough throw immediately

* Increase coverage and better error mesage
This commit is contained in:
Daniel Tschinder
2017-02-20 22:43:59 +01:00
committed by GitHub
parent 57aaceaae7
commit 2ef00a6631
13 changed files with 47 additions and 47 deletions
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21
src/plugins/flow.js
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@@ -704,11 +704,7 @@ pp.flowParsePrimaryType = function () {
return this.finishNode(node, "FunctionTypeAnnotation");
case tt.string:
node.value = this.state.value;
this.addExtra(node, "rawValue", node.value);
this.addExtra(node, "raw", this.input.slice(this.state.start, this.state.end));
this.next();
return this.finishNode(node, "StringLiteralTypeAnnotation");
return this.parseLiteral(this.state.value, "StringLiteralTypeAnnotation");
case tt._true: case tt._false:
node.value = this.match(tt._true);
@@ -718,21 +714,14 @@ pp.flowParsePrimaryType = function () {
case tt.plusMin:
if (this.state.value === "-") {
this.next();
if (!this.match(tt.num)) this.unexpected();
if (!this.match(tt.num)) this.unexpected(null, "Unexpected token, expected number");
node.value = -this.state.value;
this.addExtra(node, "rawValue", node.value);
this.addExtra(node, "raw", this.input.slice(this.state.start, this.state.end));
this.next();
return this.finishNode(node, "NumericLiteralTypeAnnotation");
return this.parseLiteral(-this.state.value, "NumericLiteralTypeAnnotation", node.start, node.loc.start);
}
this.unexpected();
case tt.num:
node.value = this.state.value;
this.addExtra(node, "rawValue", node.value);
this.addExtra(node, "raw", this.input.slice(this.state.start, this.state.end));
this.next();
return this.finishNode(node, "NumericLiteralTypeAnnotation");
return this.parseLiteral(this.state.value, "NumericLiteralTypeAnnotation");
case tt._null:
node.value = this.match(tt._null);