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js: Add another little test AST to exercise marking of locals

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This commit is contained in:
Andreas Kling 2020-03-09 21:30:12 +01:00
parent 363c40e3f3
commit ad401ca098
Notes: sideshowbarker 2024-07-19 08:47:54 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/ad401ca0983
1 changed files with 24 additions and 9 deletions
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33
Userland/js.cpp
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@ -32,12 +32,13 @@
#include <stdio.h>
//static void build_program_1(JS::Program&);
static void build_program_2(JS::Program&);
//static void build_program_2(JS::Program&);
static void build_program_3(JS::Program&);
int main()
{
auto program = make<JS::Program>();
build_program_2(*program);
build_program_3(*program);
program->dump(0);
@ -47,13 +48,7 @@ int main()
printf("%s\n", result.to_string().characters());
interpreter.heap().allocate<JS::Object>();
dbg() << "Collecting garbage...";
interpreter.heap().collect_garbage();
interpreter.global_object().put("foo", JS::Value(123));
dbg() << "Collecting garbage after overwriting global_object.foo...";
dbg() << "Collecting garbage on exit...";
interpreter.heap().collect_garbage();
return 0;
}
@ -79,6 +74,7 @@ void build_program_1(JS::Program& program)
}
#endif
#if 0
void build_program_2(JS::Program& program)
{
// c = 1;
@ -113,3 +109,22 @@ void build_program_2(JS::Program& program)
program.append<JS::FunctionDeclaration>("foo", move(block));
program.append<JS::CallExpression>("foo");
}
#endif
void build_program_3(JS::Program& program)
{
// function foo() {
// var x = {};
// $gc();
// }
// foo();
auto block = make<JS::BlockStatement>();
block->append<JS::VariableDeclaration>(
make<JS::Identifier>("x"),
make<JS::ObjectExpression>());
block->append<JS::CallExpression>("$gc");
program.append<JS::FunctionDeclaration>("foo", move(block));
program.append<JS::CallExpression>("foo");
}