mirrors/ladybird
0
0
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2025-07-28 19:59:17 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 10

LibJS: Hoist function declarations

Browse source 
This patch adds function declaration hoisting. The mechanism
is similar to var hoisting. Hoisted function declarations are to be put
before the hoisted var declarations, hence they have to be treated
separately.
This commit is contained in:
Marcin Gasperowicz 2020-06-04 14:48:36 +02:00 • committed by Andreas Kling
commit 2579d0bf55
Notes: sideshowbarker 2024-07-19 05:48:41 +09:00
6 changed files with 73 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

6
Libraries/LibJS/Interpreter.cpp
View file

@ -35,6 +35,7 @@
#include <LibJS/Runtime/NativeFunction.h>
#include <LibJS/Runtime/Object.h>
#include <LibJS/Runtime/Reference.h>
#include <LibJS/Runtime/ScriptFunction.h>
#include <LibJS/Runtime/Shape.h>
#include <LibJS/Runtime/SymbolObject.h>
#include <LibJS/Runtime/Value.h>
@ -91,6 +92,11 @@ Value Interpreter::run(const Statement& statement, ArgumentVector arguments, Sco
void Interpreter::enter_scope(const ScopeNode& scope_node, ArgumentVector arguments, ScopeType scope_type)
{
for (auto& declaration : scope_node.functions()) {
auto* function = ScriptFunction::create(global_object(), declaration.name(), declaration.body(), declaration.parameters(), declaration.function_length(), current_environment());
set_variable(declaration.name(), function);
}
if (scope_type == ScopeType::Function) {
m_scope_stack.append({ scope_type, scope_node, false });
return;