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Reuse hash token instead of new primaryTopicToken

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Set whether we're in a pipeline in order to determine how to parse the
hash. The error message changes as a result, since the `hash` never
enters the block.
This commit is contained in:
James DiGioia
2018-07-22 18:46:31 -04:00
parent 6e41edb90f
commit afd0638b74
5 changed files with 27 additions and 21 deletions
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41
packages/babel-parser/src/parser/expression.js
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@@ -298,6 +298,7 @@ export default class ExpressionParser extends LValParser {
const op = this.state.type;
if (op === tt.pipeline) {
this.state.inPipeline = true;
this.checkPipelineAtInfixOperator(left, leftStartPos);
} else if (op === tt.nullishCoalescing) {
this.expectPlugin("nullishCoalescingOperator");
@@ -931,26 +932,30 @@ export default class ExpressionParser extends LValParser {
}
}
case tt.primaryTopicReference: {
this.expectPlugin("pipelineOperator");
node = this.startNode();
case tt.hash: {
if (this.state.inPipeline) {
this.expectPlugin("pipelineOperator");
node = this.startNode();
if ("smart" !== this.getPluginOption("pipelineOperator", "proposal")) {
this.raise(
node.start,
"Primary Topic Reference found but pipelineOperator not passed 'smart' for 'proposal' option.",
);
}
if (
"smart" !== this.getPluginOption("pipelineOperator", "proposal")
) {
this.raise(
node.start,
"Primary Topic Reference found but pipelineOperator not passed 'smart' for 'proposal' option.",
);
}
this.next();
if (this.primaryTopicReferenceIsAllowedInCurrentTopicContext()) {
this.registerTopicReference();
return this.finishNode(node, "PrimaryTopicReference");
} else {
throw this.raise(
node.start,
`Topic reference was used in a lexical context without topic binding`,
);
this.next();
if (this.primaryTopicReferenceIsAllowedInCurrentTopicContext()) {
this.registerTopicReference();
return this.finishNode(node, "PrimaryTopicReference");
} else {
throw this.raise(
node.start,
`Topic reference was used in a lexical context without topic binding`,
);
}
}
}