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[parser] add preparse tracing of arrow functions

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BUG=

Review-Url: https://codereview.chromium.org/2481743003
Cr-Commit-Position: refs/heads/master@{#40807}
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verwaest 2016-11-07 07:51:07 -08:00 committed by Commit bot
parent 39b86ad453
commit 17318a41b0
1 changed files with 6 additions and 0 deletions
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6
src/parsing/parser-base.h
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@ -4041,6 +4041,12 @@ ParserBase<Impl>::ParseArrowFunctionLiteral(
impl()->RewriteDestructuringAssignments();
}
if (FLAG_trace_preparse) {
Scope* scope = formal_parameters.scope;
PrintF(" [%s]: %i-%i (arrow function)\n",
is_lazy_top_level_function ? "Preparse no-resolution" : "Full parse",
scope->start_position(), scope->end_position());
}
FunctionLiteralT function_literal = factory()->NewFunctionLiteral(
impl()->EmptyIdentifierString(), formal_parameters.scope, body,
materialized_literal_count, expected_property_count,