RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-26 04:47:34 +00:00
Code Issues Activity Actions

LibJS: Identify global variables during parsing

Browse source 
Identifying global variables during parsing will make it possible to
generate special optimized instruction to access them in upcoming
changes.
This commit is contained in:
Aliaksandr Kalenik 2023-07-12 04:02:27 +02:00 • committed by Andreas Kling
parent 73f1c7a030
commit b0a533dbc0
5 changed files with 75 additions and 20 deletions
Download patch file Download diff file Expand all files Collapse all files

2
Userland/Libraries/LibJS/Runtime/ShadowRealm.cpp
View file

@ -103,7 +103,7 @@ ThrowCompletionOr<Value> perform_shadow_realm_eval(VM& vm, StringView source_tex
// 2. Perform the following substeps in an implementation-defined order, possibly interleaving parsing and error detection:
// a. Let script be ParseText(StringToCodePoints(sourceText), Script).
auto parser = Parser(Lexer(source_text));
auto parser = Parser(Lexer(source_text), Program::Type::Script, Parser::EvalInitialState {});
auto program = parser.parse_program();
// b. If script is a List of errors, throw a SyntaxError exception.