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LibJS: Fix var declarations in direct eval inside catch blocks

Browse source 
The Annex B.3.4 spec change requires distinguishing
catch clause environments from other lexical environments
when checking for var/let conflicts in eval, which is now tracked
via a flag on DeclarativeEnvironment and propagated through the
CreateLexicalEnvironment bytecode instruction from the Rust codegen.
This commit is contained in:
Martin Chrástek 2026-05-14 15:37:40 +02:00 committed by Shannon Booth
parent c8a650ec1f
commit 29dc4df4e5
48 changed files with 709 additions and 612 deletions
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1
Libraries/LibJS/Bytecode/Bytecode.def
View file

@ -353,6 +353,7 @@ op CreateLexicalEnvironment < Instruction
m_dst: Operand
m_parent: Operand
m_capacity: u32
m_is_catch_environment: bool
endop
op CreateImmutableBinding < Instruction

1
Libraries/LibJS/Bytecode/Interpreter.cpp
View file

@ -2474,6 +2474,7 @@ void CreateLexicalEnvironment::execute_impl(VM& vm) const
auto& parent = as<Environment>(vm.get(m_parent).as_cell());
auto environment = new_declarative_environment(parent);
environment->ensure_capacity(m_capacity);
environment->set_is_catch_environment(m_is_catch_environment);
vm.set(m_dst, environment);
vm.running_execution_context().lexical_environment = environment;
}

15
Libraries/LibJS/Runtime/AbstractOperations.cpp
View file

@ -820,11 +820,16 @@ ThrowCompletionOr<void> eval_declaration_instantiation(VM& vm, EvalDeclarationDa
for (auto const& name : data.var_names) {
// a. If ! thisEnv.HasBinding(name) is true, then
if (MUST(this_environment->has_binding(name))) {
// i. Throw a SyntaxError exception.
return vm.throw_completion<SyntaxError>(ErrorType::TopLevelVariableAlreadyDeclared, name);
// FIXME: ii. NOTE: Annex B.3.4 defines alternate semantics for the above step.
// In particular it only throw the syntax error if it is not an environment from a catchclause.
// B.3.4 Changes to EvalDeclarationInstantiation, https://tc39.es/ecma262/#sec-evaldeclarationinstantiation
// i. Normative Optional
// If the host is a web browser or otherwise supports VariableStatements in Catch Blocks, then
// i. If thisEnv is not the Environment Record for a Catch clause, throw a SyntaxError exception.
// ii. Else,
// i. Throw a SyntaxError exception.
// AD-HOC: We are a web browser, so we only implement the web browser branch.
if (!this_environment->is_catch_environment()) {
return vm.throw_completion<SyntaxError>(ErrorType::EvalVarHoistingConflict, name);
}
}
// b. NOTE: A direct eval will not hoist var declaration over a like-named lexical declaration.
}

4
Libraries/LibJS/Runtime/DeclarativeEnvironment.h
View file

@ -32,6 +32,9 @@ class JS_API DeclarativeEnvironment : public Environment {
public:
virtual ~DeclarativeEnvironment() override = default;
virtual bool is_catch_environment() const override { return m_is_catch_environment; }
void set_is_catch_environment(bool value) { m_is_catch_environment = value; }
virtual ThrowCompletionOr<bool> has_binding(Utf16FlyString const& name, Optional<size_t>* = nullptr) const override final;
virtual ThrowCompletionOr<void> create_mutable_binding(VM&, Utf16FlyString const& name, bool can_be_deleted) override final;
virtual ThrowCompletionOr<void> create_immutable_binding(VM&, Utf16FlyString const& name, bool strict) override final;
@ -128,6 +131,7 @@ private:
DisposeCapability m_dispose_capability;
u64 m_environment_serial_number { 0 };
bool m_is_catch_environment { false };
};
inline ThrowCompletionOr<Value> DeclarativeEnvironment::get_binding_value_direct(VM& vm, size_t index) const

1
Libraries/LibJS/Runtime/Environment.h
View file

@ -50,6 +50,7 @@ public:
[[nodiscard]] bool is_declarative_environment() const { return m_declarative; }
virtual bool is_global_environment() const { return false; }
virtual bool is_function_environment() const { return false; }
virtual bool is_catch_environment() const { return false; }
template<typename T>
bool fast_is() const = delete;

1
Libraries/LibJS/Runtime/ErrorTypes.h
View file

@ -286,6 +286,7 @@
M(ToObjectNullOrUndefinedWithProperty, "Cannot access property \"{}\" on {} object") \
M(ToObjectNullOrUndefinedWithPropertyAndName, "Cannot access property \"{}\" on {} object \"{}\"") \
M(TopLevelVariableAlreadyDeclared, "Redeclaration of top level variable '{}'") \
M(EvalVarHoistingConflict, "Cannot declare var '{}': there is already a lexical declaration with that name in scope") \
M(ToPrimitiveReturnedObject, "Can't convert {} to primitive with hint \"{}\", its @@toPrimitive method returned an object") \
M(TypedArrayContentTypeMismatch, "Can't create {} from {}") \
M(TypedArrayInvalidBufferLength, "Invalid buffer length for {}: must be a multiple of {}, got {}") \

6
Libraries/LibJS/Rust/src/bytecode/codegen.rs
View file

@ -536,6 +536,7 @@ fn generate_function_expression(
dst: new_env.operand(),
parent: parent.operand(),
capacity: 0,
is_catch_environment: false,
});
generator.lexical_environment_register_stack.push(new_env);
@ -5655,6 +5656,7 @@ fn generate_class_expression(
dst: class_env.operand(),
parent: parent_env.operand(),
capacity: 0,
is_catch_environment: false,
});
generator.lexical_environment_register_stack.push(class_env.clone());
@ -7370,7 +7372,7 @@ fn generate_try_statement(
generator.emit_mov(&local, &caught_value);
generator.mark_local_initialized(ident.local_index);
} else {
generator.push_new_lexical_environment(0);
generator.push_new_catch_lexical_environment(0);
generator.start_boundary(BlockBoundaryType::LeaveLexicalEnvironment);
created_catch_scope = true;
@ -7394,7 +7396,7 @@ fn generate_try_statement(
collect_pattern_binding_names(pattern, &mut names, &generator.arena);
if !names.is_empty() {
generator.push_new_lexical_environment(0);
generator.push_new_catch_lexical_environment(0);
generator.start_boundary(BlockBoundaryType::LeaveLexicalEnvironment);
created_catch_scope = true;

9
Libraries/LibJS/Rust/src/bytecode/generator.rs
View file

@ -954,12 +954,21 @@ impl Generator {
}
pub fn push_new_lexical_environment(&mut self, capacity: u32) -> ScopedOperand {
self.push_new_lexical_environment_impl(capacity, false)
}
pub fn push_new_catch_lexical_environment(&mut self, capacity: u32) -> ScopedOperand {
self.push_new_lexical_environment_impl(capacity, true)
}
fn push_new_lexical_environment_impl(&mut self, capacity: u32, is_catch_environment: bool) -> ScopedOperand {
let parent = self.current_lexical_environment();
let new_env = self.allocate_register();
self.emit(Instruction::CreateLexicalEnvironment {
dst: new_env.operand(),
parent: parent.operand(),
capacity,
is_catch_environment,
});
self.lexical_environment_register_stack.push(new_env.clone());
new_env

38
Tests/LibJS/Bytecode/expected/annex-b-function-in-if.txt
View file

@ -20,7 +20,7 @@ block0:
[ 140] End value:reg7
annexBFunctionInIf$f4b6a259 annex-b-function-in-if.js:2:5
annexBFunctionInIf$f1f2b149 annex-b-function-in-if.js:2:5
Registers: 8
Blocks: 4
Constants:
@ -33,28 +33,28 @@ block0:
[ 30] JumpFalse condition:arg0, target:block2
block1:
[ 40] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 50] CreateMutableBinding environment:reg5, `inner`, can_be_deleted:false
[ 60] NewFunction dst:reg6, shared_function_data_index:0
[ 78] InitializeLexicalBinding `inner`, src:reg6
[ 90] GetBinding dst:reg6, `inner`
[ a8] SetVariableBinding `inner`, src:reg6
[ c0] SetLexicalEnvironment environment:reg4
[ c8] Jump target:block3
[ 40] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 58] CreateMutableBinding environment:reg5, `inner`, can_be_deleted:false
[ 68] NewFunction dst:reg6, shared_function_data_index:0
[ 80] InitializeLexicalBinding `inner`, src:reg6
[ 98] GetBinding dst:reg6, `inner`
[ b0] SetVariableBinding `inner`, src:reg6
[ c8] SetLexicalEnvironment environment:reg4
[ d0] Jump target:block3
block2:
[ d0] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ e0] CreateMutableBinding environment:reg5, `inner`, can_be_deleted:false
[ f0] NewFunction dst:reg6, shared_function_data_index:1
[ 108] InitializeLexicalBinding `inner`, src:reg6
[ 120] GetBinding dst:reg6, `inner`
[ 138] SetVariableBinding `inner`, src:reg6
[ 150] SetLexicalEnvironment environment:reg4
[ d8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ f0] CreateMutableBinding environment:reg5, `inner`, can_be_deleted:false
[ 100] NewFunction dst:reg6, shared_function_data_index:1
[ 118] InitializeLexicalBinding `inner`, src:reg6
[ 130] GetBinding dst:reg6, `inner`
[ 148] SetVariableBinding `inner`, src:reg6
[ 160] SetLexicalEnvironment environment:reg4
block3:
[ 158] GetCalleeAndThisFromEnvironment callee:reg6, this_value:reg7, `inner`
[ 170] Call dst:reg5, callee:reg6, this_value:reg7, inner
[ 190] Return value:reg5
[ 168] GetCalleeAndThisFromEnvironment callee:reg6, this_value:reg7, `inner`
[ 180] Call dst:reg5, callee:reg6, this_value:reg7, inner
[ 1a0] Return value:reg5
inner$b5b8e95a annex-b-function-in-if.js:4:13

20
Tests/LibJS/Bytecode/expected/annexb-function-existing-var.txt
View file

@ -10,7 +10,7 @@ block0:
[ 38] End value:reg5
test$8422248c annexb-function-existing-var.js:2:5
test$02c02c04 annexb-function-existing-var.js:2:5
Registers: 7
Blocks: 1
Constants:
@ -23,12 +23,12 @@ block0:
[ 8] CreateVariable `f`, is_immutable:false, is_global:false, is_strict:false
[ 18] InitializeVariableBinding `f`, src:Undefined
[ 30] SetLexicalBinding `f`, src:Int32(123)
[ 48] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 58] CreateMutableBinding environment:reg5, `f`, can_be_deleted:false
[ 68] NewFunction dst:reg6, shared_function_data_index:0
[ 80] InitializeLexicalBinding `f`, src:reg6
[ 98] GetBinding dst:reg6, `f`
[ b0] SetVariableBinding `f`, src:reg6
[ c8] SetLexicalEnvironment environment:reg4
[ d0] GetInitializedBinding dst:reg5, `f`
[ e8] Return value:reg5
[ 48] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 60] CreateMutableBinding environment:reg5, `f`, can_be_deleted:false
[ 70] NewFunction dst:reg6, shared_function_data_index:0
[ 88] InitializeLexicalBinding `f`, src:reg6
[ a0] GetBinding dst:reg6, `f`
[ b8] SetVariableBinding `f`, src:reg6
[ d0] SetLexicalEnvironment environment:reg4
[ d8] GetInitializedBinding dst:reg5, `f`
[ f0] Return value:reg5

28
Tests/LibJS/Bytecode/expected/block-function-declaration-order.txt
View file

@ -1,4 +1,4 @@
$ae8c96e2 block-function-declaration-order.js:1:1
$2a66ad4a block-function-declaration-order.js:1:1
Registers: 7
Blocks: 1
Constants:
@ -6,16 +6,16 @@ $ae8c96e2 block-function-declaration-order.js:1:1
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] CreateMutableBinding environment:reg5, `f1`, can_be_deleted:false
[ 28] NewFunction dst:reg6, shared_function_data_index:0
[ 40] InitializeLexicalBinding `f1`, src:reg6
[ 58] CreateMutableBinding environment:reg5, `f2`, can_be_deleted:false
[ 68] NewFunction dst:reg6, shared_function_data_index:1
[ 80] InitializeLexicalBinding `f2`, src:reg6
[ 98] GetBinding dst:reg6, `f1`
[ b0] SetVariableBinding `f1`, src:reg6
[ c8] GetBinding dst:reg6, `f2`
[ e0] SetVariableBinding `f2`, src:reg6
[ f8] SetLexicalEnvironment environment:reg4
[ 100] End value:Undefined
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] CreateMutableBinding environment:reg5, `f1`, can_be_deleted:false
[ 30] NewFunction dst:reg6, shared_function_data_index:0
[ 48] InitializeLexicalBinding `f1`, src:reg6
[ 60] CreateMutableBinding environment:reg5, `f2`, can_be_deleted:false
[ 70] NewFunction dst:reg6, shared_function_data_index:1
[ 88] InitializeLexicalBinding `f2`, src:reg6
[ a0] GetBinding dst:reg6, `f1`
[ b8] SetVariableBinding `f1`, src:reg6
[ d0] GetBinding dst:reg6, `f2`
[ e8] SetVariableBinding `f2`, src:reg6
[ 100] SetLexicalEnvironment environment:reg4
[ 108] End value:Undefined

16
Tests/LibJS/Bytecode/expected/block-scoped-function-no-tdz.txt
View file

@ -11,7 +11,7 @@ block0:
[ 38] End value:reg5
test$65d0907d block-scoped-function-no-tdz.js:3:5
test$e46e97f5 block-scoped-function-no-tdz.js:3:5
Registers: 7
Blocks: 1
Locals: foo~0, result~1
@ -21,13 +21,13 @@ test$65d0907d block-scoped-function-no-tdz.js:3:5
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] Mov dst:result~1, src:Undefined
[ 18] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 28] NewFunction dst:reg6, shared_function_data_index:0
[ 40] Mov dst:foo~0, src:reg6
[ 50] Call dst:reg6, callee:foo~0, this_value:Undefined, foo
[ 70] Mov dst:result~1, src:reg6
[ 80] SetLexicalEnvironment environment:reg4
[ 88] Return value:result~1
[ 18] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 30] NewFunction dst:reg6, shared_function_data_index:0
[ 48] Mov dst:foo~0, src:reg6
[ 58] Call dst:reg6, callee:foo~0, this_value:Undefined, foo
[ 78] Mov dst:result~1, src:reg6
[ 88] SetLexicalEnvironment environment:reg4
[ 90] Return value:result~1
foo$f46a9b04 block-scoped-function-no-tdz.js:5:26

78
Tests/LibJS/Bytecode/expected/block-scoping.txt
View file

@ -18,7 +18,7 @@ block0:
[ 130] End value:reg7
closureOverBlockScope$61104af2 block-scoping.js:2:15
closureOverBlockScope$5e4c59e2 block-scoping.js:2:15
Registers: 10
Blocks: 1
Locals: fns~0
@ -30,28 +30,28 @@ closureOverBlockScope$61104af2 block-scoping.js:2:15
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] NewArray dst:fns~0
[ 18] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 28] CreateMutableBinding environment:reg5, `x`, can_be_deleted:false
[ 38] InitializeLexicalBinding `x`, src:Int32(1)
[ 50] GetById dst:reg7, base:fns~0, `push` (fns.push)
[ 70] Mov dst:reg8, src:fns~0
[ 80] NewFunction dst:reg9, shared_function_data_index:0
[ 98] Call dst:reg6, callee:reg7, this_value:reg8, fns.push, arguments:[reg9]
[ c0] SetLexicalEnvironment environment:reg4
[ c8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ d8] CreateMutableBinding environment:reg5, `y`, can_be_deleted:false
[ e8] InitializeLexicalBinding `y`, src:Int32(2)
[ 100] GetById dst:reg7, base:fns~0, `push` (fns.push)
[ 120] Mov dst:reg8, src:fns~0
[ 130] NewFunction dst:reg9, shared_function_data_index:1
[ 148] Call dst:reg6, callee:reg7, this_value:reg8, fns.push, arguments:[reg9]
[ 170] SetLexicalEnvironment environment:reg4
[ 178] GetByValue dst:reg6, base:fns~0, property:Int32(0)
[ 190] Call dst:reg5, callee:reg6, this_value:fns~0, fns[0]
[ 1b0] GetByValue dst:reg7, base:fns~0, property:Int32(1)
[ 1c8] Call dst:reg6, callee:reg7, this_value:fns~0, fns[1]
[ 1e8] Add dst:reg7, lhs:reg5, rhs:reg6
[ 1f8] Return value:reg7
[ 18] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 30] CreateMutableBinding environment:reg5, `x`, can_be_deleted:false
[ 40] InitializeLexicalBinding `x`, src:Int32(1)
[ 58] GetById dst:reg7, base:fns~0, `push` (fns.push)
[ 78] Mov dst:reg8, src:fns~0
[ 88] NewFunction dst:reg9, shared_function_data_index:0
[ a0] Call dst:reg6, callee:reg7, this_value:reg8, fns.push, arguments:[reg9]
[ c8] SetLexicalEnvironment environment:reg4
[ d0] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ e8] CreateMutableBinding environment:reg5, `y`, can_be_deleted:false
[ f8] InitializeLexicalBinding `y`, src:Int32(2)
[ 110] GetById dst:reg7, base:fns~0, `push` (fns.push)
[ 130] Mov dst:reg8, src:fns~0
[ 140] NewFunction dst:reg9, shared_function_data_index:1
[ 158] Call dst:reg6, callee:reg7, this_value:reg8, fns.push, arguments:[reg9]
[ 180] SetLexicalEnvironment environment:reg4
[ 188] GetByValue dst:reg6, base:fns~0, property:Int32(0)
[ 1a0] Call dst:reg5, callee:reg6, this_value:fns~0, fns[0]
[ 1c0] GetByValue dst:reg7, base:fns~0, property:Int32(1)
[ 1d8] Call dst:reg6, callee:reg7, this_value:fns~0, fns[1]
[ 1f8] Add dst:reg7, lhs:reg5, rhs:reg6
[ 208] Return value:reg7
$4bcefff2 block-scoping.js:5:18
@ -72,7 +72,7 @@ block0:
[ 18] Return value:reg5
breakThroughBlockScopes$bb8ff62f block-scoping.js:16:5
breakThroughBlockScopes$3fb5dfc7 block-scoping.js:16:5
Registers: 8
Blocks: 7
Locals: f~0, i~1, result~2
@ -88,31 +88,31 @@ block0:
[ 20] Jump target:block3
block1:
[ 28] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 38] CreateMutableBinding environment:reg5, `x`, can_be_deleted:false
[ 48] InitializeLexicalBinding `x`, src:i~1
[ 60] NewFunction dst:f~0, shared_function_data_index:0 (f)
[ 78] GetBinding dst:reg6, `x`
[ 90] JumpGreaterThan lhs:reg6, rhs:Int32(1), true_target:block5, false_target:block6
[ 28] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 40] CreateMutableBinding environment:reg5, `x`, can_be_deleted:false
[ 50] InitializeLexicalBinding `x`, src:i~1
[ 68] NewFunction dst:f~0, shared_function_data_index:0 (f)
[ 80] GetBinding dst:reg6, `x`
[ 98] JumpGreaterThan lhs:reg6, rhs:Int32(1), true_target:block5, false_target:block6
block2:
[ a8] PostfixIncrement dst:reg5, src:i~1
[ b0] PostfixIncrement dst:reg5, src:i~1
block3:
[ b8] JumpLessThan lhs:i~1, rhs:Int32(3), true_target:block1, false_target:block4
[ c0] JumpLessThan lhs:i~1, rhs:Int32(3), true_target:block1, false_target:block4
block4:
[ d0] Call dst:reg5, callee:result~2, this_value:Undefined, result
[ f0] Return value:reg5
[ d8] Call dst:reg5, callee:result~2, this_value:Undefined, result
[ f8] Return value:reg5
block5:
[ f8] Mov dst:result~2, src:f~0
[ 108] SetLexicalEnvironment environment:reg4
[ 110] Jump target:block4
[ 100] Mov dst:result~2, src:f~0
[ 110] SetLexicalEnvironment environment:reg4
[ 118] Jump target:block4
block6:
[ 118] SetLexicalEnvironment environment:reg4
[ 120] Jump target:block2
[ 120] SetLexicalEnvironment environment:reg4
[ 128] Jump target:block2
f$e7dc110a block-scoping.js:20:21

14
Tests/LibJS/Bytecode/expected/captured-variables.txt
View file

@ -10,7 +10,7 @@ block0:
[ 38] End value:reg5
outer$e7583c0c captured-variables.js:5:5
outer$65f64384 captured-variables.js:5:5
Registers: 7
Blocks: 1
Locals: inner~0
@ -21,12 +21,12 @@ outer$e7583c0c captured-variables.js:5:5
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] Mov dst:inner~0, src:Undefined
[ 18] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:1
[ 28] CreateVariable `captured`, is_immutable:false, is_global:false, is_strict:false
[ 38] NewFunction dst:inner~0, shared_function_data_index:0
[ 50] InitializeLexicalBinding `captured`, src:Int32(1)
[ 68] Call dst:reg6, callee:inner~0, this_value:Undefined, inner
[ 88] Return value:reg6
[ 18] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:1, is_catch_environment:false
[ 30] CreateVariable `captured`, is_immutable:false, is_global:false, is_strict:false
[ 40] NewFunction dst:inner~0, shared_function_data_index:0
[ 58] InitializeLexicalBinding `captured`, src:Int32(1)
[ 70] Call dst:reg6, callee:inner~0, this_value:Undefined, inner
[ 90] Return value:reg6
inner$e471f8e5 captured-variables.js:7:9

16
Tests/LibJS/Bytecode/expected/class-computed-field-lhs-name.txt
View file

@ -1,4 +1,4 @@
$00cee19d class-computed-field-lhs-name.js:1:1
$87b8bc45 class-computed-field-lhs-name.js:1:1
Registers: 7
Blocks: 1
Constants:
@ -9,13 +9,13 @@ $00cee19d class-computed-field-lhs-name.js:1:1
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] SetLexicalEnvironment environment:reg4
[ 20] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0 (C), element_keys:[element_keys:Int32(3)]
[ 48] SetGlobal `C`, src:reg6
[ 60] GetGlobal dst:reg5, `C`
[ 78] CallConstruct dst:reg6, callee:reg5, C
[ 90] End value:reg6
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] SetLexicalEnvironment environment:reg4
[ 28] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0 (C), element_keys:[element_keys:Int32(3)]
[ 50] SetGlobal `C`, src:reg6
[ 68] GetGlobal dst:reg5, `C`
[ 80] CallConstruct dst:reg6, callee:reg5, C
[ 98] End value:reg6
C$e7b179de

16
Tests/LibJS/Bytecode/expected/class-computed-key.txt
View file

@ -10,16 +10,16 @@ block0:
[ 38] End value:reg5
f$88b2a512 class-computed-key.js:4:5
f$01c8ca6a class-computed-key.js:4:5
Registers: 8
Blocks: 1
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] CreateVariable ``, is_immutable:true, is_global:false, is_strict:false
[ 28] GetGlobal dst:reg6, `Symbol`
[ 40] GetById dst:reg7, base:reg6, `iterator` (Symbol.iterator)
[ 60] SetLexicalEnvironment environment:reg4
[ 68] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:reg7]
[ 90] Return value:reg6
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] CreateVariable ``, is_immutable:true, is_global:false, is_strict:false
[ 30] GetGlobal dst:reg6, `Symbol`
[ 48] GetById dst:reg7, base:reg6, `iterator` (Symbol.iterator)
[ 68] SetLexicalEnvironment environment:reg4
[ 70] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:reg7]
[ 98] Return value:reg6

20
Tests/LibJS/Bytecode/expected/class-environment.txt
View file

@ -13,7 +13,7 @@ block0:
[ 98] End value:reg5
classWithName$155d62f1 class-environment.js:2:13
classWithName$99834c89 class-environment.js:2:13
Registers: 8
Blocks: 1
Locals: C~0
@ -23,15 +23,15 @@ classWithName$155d62f1 class-environment.js:2:13
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] CreateVariable `Foo`, is_immutable:true, is_global:false, is_strict:false
[ 28] SetLexicalEnvironment environment:reg4
[ 30] NewClass dst:C~0, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:String("method")]
[ 58] CallConstruct dst:reg6, callee:C~0, C
[ 70] GetById dst:reg7, base:reg6, `method`
[ 90] Call dst:reg5, callee:reg7, this_value:reg6, <object>.method
[ b0] StrictlyEquals dst:reg7, lhs:reg5, rhs:C~0
[ c0] Return value:reg7
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] CreateVariable `Foo`, is_immutable:true, is_global:false, is_strict:false
[ 30] SetLexicalEnvironment environment:reg4
[ 38] NewClass dst:C~0, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:String("method")]
[ 60] CallConstruct dst:reg6, callee:C~0, C
[ 78] GetById dst:reg7, base:reg6, `method`
[ 98] Call dst:reg5, callee:reg7, this_value:reg6, <object>.method
[ b8] StrictlyEquals dst:reg7, lhs:reg5, rhs:C~0
[ c8] Return value:reg7
Foo$534d924b

12
Tests/LibJS/Bytecode/expected/class-lhs-name-no-createvariable.txt
View file

@ -1,4 +1,4 @@
$e7eb680d class-lhs-name-no-createvariable.js:1:1
$63c57e75 class-lhs-name-no-createvariable.js:1:1
Registers: 7
Blocks: 1
Constants:
@ -7,8 +7,8 @@ $e7eb680d class-lhs-name-no-createvariable.js:1:1
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] SetLexicalEnvironment environment:reg4
[ 20] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0 (x), element_keys:[element_keys:String("method")]
[ 48] SetGlobal `x`, src:reg6
[ 60] End value:Undefined
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] SetLexicalEnvironment environment:reg4
[ 28] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0 (x), element_keys:[element_keys:String("method")]
[ 50] SetGlobal `x`, src:reg6
[ 68] End value:Undefined

18
Tests/LibJS/Bytecode/expected/class-literal-fields.txt
View file

@ -26,7 +26,7 @@ block0:
[ 210] End value:reg5
test$7bd6515c class-literal-fields.js:2:5
test$fa7458d4 class-literal-fields.js:2:5
Registers: 7
Blocks: 1
Locals: A~0
@ -41,14 +41,14 @@ test$7bd6515c class-literal-fields.js:2:5
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] CreateVariable `A`, is_immutable:true, is_global:false, is_strict:false
[ 28] SetLexicalEnvironment environment:reg4
[ 30] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:String("x"), element_keys:String("y"), element_keys:String("z"), element_keys:String("w"), element_keys:String("s"), element_keys:String("computed")]
[ 68] Mov dst:A~0, src:reg6
[ 78] ThrowIfTDZ src:A~0
[ 80] CallConstruct dst:reg6, callee:A~0, A
[ 98] Return value:reg6
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] CreateVariable `A`, is_immutable:true, is_global:false, is_strict:false
[ 30] SetLexicalEnvironment environment:reg4
[ 38] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:String("x"), element_keys:String("y"), element_keys:String("z"), element_keys:String("w"), element_keys:String("s"), element_keys:String("computed")]
[ 70] Mov dst:A~0, src:reg6
[ 80] ThrowIfTDZ src:A~0
[ 88] CallConstruct dst:reg6, callee:A~0, A
[ a0] Return value:reg6
A$ef0589ec

38
Tests/LibJS/Bytecode/expected/delete-super-eval-order.txt
View file

@ -1,4 +1,4 @@
$67bc40cb delete-super-eval-order.js:4:1
$e91e3953 delete-super-eval-order.js:4:1
Registers: 10
Blocks: 3
Constants:
@ -8,30 +8,30 @@ $67bc40cb delete-super-eval-order.js:4:1
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] CreateVariable `A`, is_immutable:true, is_global:false, is_strict:false
[ 28] SetLexicalEnvironment environment:reg4
[ 30] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:String("m")]
[ 58] InitializeLexicalBinding `A`, src:reg6
[ 70] Jump target:block2
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] CreateVariable `A`, is_immutable:true, is_global:false, is_strict:false
[ 30] SetLexicalEnvironment environment:reg4
[ 38] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:String("m")]
[ 60] InitializeLexicalBinding `A`, src:reg6
[ 78] Jump target:block2
block1:
[ 78] Catch dst:reg6
[ 80] SetLexicalEnvironment environment:reg4
[ 88] Mov2 dst1:reg5, src1:Undefined, dst2:reg7, src2:reg5
[ a0] End value:reg5
[ 80] Catch dst:reg6
[ 88] SetLexicalEnvironment environment:reg4
[ 90] Mov2 dst1:reg5, src1:Undefined, dst2:reg7, src2:reg5
[ a8] End value:reg5
block2:
[ a8] Mov dst:reg6, src:Undefined
[ b8] GetGlobal dst:reg9, `A`
[ d0] CallConstruct dst:reg8, callee:reg9, A
[ e8] GetById dst:reg9, base:reg8, `m`
[ 108] Call dst:reg5, callee:reg9, this_value:reg8, <object>.m, arguments:[String("x")]
[ 130] Mov2 dst1:reg6, src1:reg5, dst2:reg5, src2:reg6
[ 148] End value:reg5
[ b0] Mov dst:reg6, src:Undefined
[ c0] GetGlobal dst:reg9, `A`
[ d8] CallConstruct dst:reg8, callee:reg9, A
[ f0] GetById dst:reg9, base:reg8, `m`
[ 110] Call dst:reg5, callee:reg9, this_value:reg8, <object>.m, arguments:[String("x")]
[ 138] Mov2 dst1:reg6, src1:reg5, dst2:reg5, src2:reg6
[ 150] End value:reg5
Exception handlers:
[ a8 .. 150] => handler block1
[ b0 .. 158] => handler block1
A$ef0589ec

62
Tests/LibJS/Bytecode/expected/delete-super-property.txt
View file

@ -1,4 +1,4 @@
$752dc5b7 delete-super-property.js:1:1
$f107dc1f delete-super-property.js:1:1
Registers: 11
Blocks: 6
Locals: e~0, e~1
@ -9,48 +9,48 @@ $752dc5b7 delete-super-property.js:1:1
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] CreateVariable `A`, is_immutable:true, is_global:false, is_strict:false
[ 28] SetLexicalEnvironment environment:reg4
[ 30] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:String("foo"), element_keys:String("baz")]
[ 58] InitializeLexicalBinding `A`, src:reg6
[ 70] Jump target:block3
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] CreateVariable `A`, is_immutable:true, is_global:false, is_strict:false
[ 30] SetLexicalEnvironment environment:reg4
[ 38] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:String("foo"), element_keys:String("baz")]
[ 60] InitializeLexicalBinding `A`, src:reg6
[ 78] Jump target:block3
block1:
[ 78] Catch dst:reg6
[ 80] SetLexicalEnvironment environment:reg4
[ 88] Mov3 dst1:e~0, src1:reg6, dst2:reg5, src2:Undefined, dst3:reg7, src3:reg5
[ 80] Catch dst:reg6
[ 88] SetLexicalEnvironment environment:reg4
[ 90] Mov3 dst1:e~0, src1:reg6, dst2:reg5, src2:Undefined, dst3:reg7, src3:reg5
block2:
[ a8] Jump target:block5
[ b0] Jump target:block5
block3:
[ b0] Mov dst:reg6, src:Undefined
[ c0] GetGlobal dst:reg9, `A`
[ d8] CallConstruct dst:reg8, callee:reg9, A
[ f0] GetById dst:reg9, base:reg8, `foo`
[ 110] Call dst:reg5, callee:reg9, this_value:reg8, <object>.foo
[ 130] Mov2 dst1:reg6, src1:reg5, dst2:reg5, src2:reg6
[ 148] Jump target:block2
[ b8] Mov dst:reg6, src:Undefined
[ c8] GetGlobal dst:reg9, `A`
[ e0] CallConstruct dst:reg8, callee:reg9, A
[ f8] GetById dst:reg9, base:reg8, `foo`
[ 118] Call dst:reg5, callee:reg9, this_value:reg8, <object>.foo
[ 138] Mov2 dst1:reg6, src1:reg5, dst2:reg5, src2:reg6
[ 150] Jump target:block2
block4:
[ 150] Catch dst:reg6
[ 158] SetLexicalEnvironment environment:reg4
[ 160] Mov3 dst1:e~1, src1:reg6, dst2:reg7, src2:Undefined, dst3:reg9, src3:reg7
[ 180] End value:reg7
[ 158] Catch dst:reg6
[ 160] SetLexicalEnvironment environment:reg4
[ 168] Mov3 dst1:e~1, src1:reg6, dst2:reg7, src2:Undefined, dst3:reg9, src3:reg7
[ 188] End value:reg7
block5:
[ 188] Mov dst:reg6, src:Undefined
[ 198] GetGlobal dst:reg10, `A`
[ 1b0] CallConstruct dst:reg8, callee:reg10, A
[ 1c8] GetById dst:reg10, base:reg8, `baz`
[ 1e8] Call dst:reg7, callee:reg10, this_value:reg8, <object>.baz
[ 208] Mov2 dst1:reg6, src1:reg7, dst2:reg7, src2:reg6
[ 220] End value:reg7
[ 190] Mov dst:reg6, src:Undefined
[ 1a0] GetGlobal dst:reg10, `A`
[ 1b8] CallConstruct dst:reg8, callee:reg10, A
[ 1d0] GetById dst:reg10, base:reg8, `baz`
[ 1f0] Call dst:reg7, callee:reg10, this_value:reg8, <object>.baz
[ 210] Mov2 dst1:reg6, src1:reg7, dst2:reg7, src2:reg6
[ 228] End value:reg7
Exception handlers:
[ b0 .. 150] => handler block1
[ 188 .. 228] => handler block4
[ b8 .. 158] => handler block1
[ 190 .. 230] => handler block4
A$ef0589ec

22
Tests/LibJS/Bytecode/expected/destructuring-assignment.txt
View file

@ -14,7 +14,7 @@ block0:
[ a8] End value:reg5
array_destructuring_with_class_default$28ef14a9 destructuring-assignment.js:6:10
array_destructuring_with_class_default$a4c92b11 destructuring-assignment.js:6:10
Registers: 13
Blocks: 7
Locals: x~0
@ -39,22 +39,22 @@ block2:
[ 98] JumpUndefined condition:reg10, true_target:block3, false_target:block4
block3:
[ a8] CreateLexicalEnvironment dst:reg11, parent:reg4, capacity:0
[ b8] CreateVariable `C`, is_immutable:true, is_global:false, is_strict:false
[ c8] SetLexicalEnvironment environment:reg4
[ d0] NewClass dst:reg12, class_environment:reg11, class_blueprint_index:0
[ f0] Mov dst:reg10, src:reg12
[ a8] CreateLexicalEnvironment dst:reg11, parent:reg4, capacity:0, is_catch_environment:false
[ c0] CreateVariable `C`, is_immutable:true, is_global:false, is_strict:false
[ d0] SetLexicalEnvironment environment:reg4
[ d8] NewClass dst:reg12, class_environment:reg11, class_blueprint_index:0
[ f8] Mov dst:reg10, src:reg12
block4:
[ 100] Mov dst:x~0, src:reg10
[ 110] JumpFalse condition:reg6, target:block6
[ 108] Mov dst:x~0, src:reg10
[ 118] JumpFalse condition:reg6, target:block6
block5:
[ 120] Return value:x~0
[ 128] Return value:x~0
block6:
[ 128] IteratorClose iterator_object:reg7, iterator_next:reg8, iterator_done:reg9, completion_value:Undefined
[ 140] Return value:x~0
[ 130] IteratorClose iterator_object:reg7, iterator_next:reg8, iterator_done:reg9, completion_value:Undefined
[ 148] Return value:x~0
object_destructuring_with_function_default$497a8092 destructuring-assignment.js:12:12

16
Tests/LibJS/Bytecode/expected/eval-prevents-locals.txt
View file

@ -12,7 +12,7 @@ block0:
[ 70] End value:reg6
with_eval$361b5eed eval-prevents-locals.js:6:5
with_eval$b4b96665 eval-prevents-locals.js:6:5
Registers: 9
Blocks: 1
Constants:
@ -22,13 +22,13 @@ with_eval$361b5eed eval-prevents-locals.js:6:5
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateArguments is_immutable:false
[ 18] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:1
[ 28] CreateVariable `x`, is_immutable:false, is_global:false, is_strict:false
[ 38] InitializeLexicalBinding `x`, src:Int32(1)
[ 50] GetCalleeAndThisFromEnvironment callee:reg7, this_value:reg8, `eval`
[ 68] CallDirectEval dst:reg6, callee:reg7, this_value:reg8, eval, arguments:[String("")]
[ 90] GetBinding dst:reg6, `x`
[ a8] Return value:reg6
[ 18] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:1, is_catch_environment:false
[ 30] CreateVariable `x`, is_immutable:false, is_global:false, is_strict:false
[ 40] InitializeLexicalBinding `x`, src:Int32(1)
[ 58] GetCalleeAndThisFromEnvironment callee:reg7, this_value:reg8, `eval`
[ 70] CallDirectEval dst:reg6, callee:reg7, this_value:reg8, eval, arguments:[String("")]
[ 98] GetBinding dst:reg6, `x`
[ b0] Return value:reg6
eval$b72141f3

54
Tests/LibJS/Bytecode/expected/for-in-lexical-scope.txt
View file

@ -1,4 +1,4 @@
$3122836b for-in-lexical-scope.js:1:12
$b80c5e13 for-in-lexical-scope.js:1:12
Registers: 12
Blocks: 6
Constants:
@ -7,39 +7,39 @@ $3122836b for-in-lexical-scope.js:1:12
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] CreateVariable `x`, is_immutable:false, is_global:false, is_strict:false
[ 28] NewObject dst:reg6
[ 38] InitObjectLiteralProperty object:reg6, `i`, src:Int32(0), shape_cache_index:0, property_slot:0
[ 50] CacheObjectShape object:reg6
[ 60] SetLexicalEnvironment environment:reg4
[ 68] JumpNullish condition:reg6, true_target:block3, false_target:block4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] CreateVariable `x`, is_immutable:false, is_global:false, is_strict:false
[ 30] NewObject dst:reg6
[ 40] InitObjectLiteralProperty object:reg6, `i`, src:Int32(0), shape_cache_index:0, property_slot:0
[ 58] CacheObjectShape object:reg6
[ 68] SetLexicalEnvironment environment:reg4
[ 70] JumpNullish condition:reg6, true_target:block3, false_target:block4
block1:
[ 78] End value:reg6
[ 80] End value:reg6
block2:
[ 80] ObjectPropertyIteratorNext dst_value:reg7, dst_done:reg8, iterator_object:reg5
[ 90] JumpIf condition:reg8, true_target:block1, false_target:block5
[ 88] ObjectPropertyIteratorNext dst_value:reg7, dst_done:reg8, iterator_object:reg5
[ 98] JumpIf condition:reg8, true_target:block1, false_target:block5
block3:
[ a0] End value:reg6
[ a8] End value:reg6
block4:
[ a8] GetObjectPropertyIterator dst_iterator:reg5, object:reg6
[ c0] Mov dst:reg6, src:Undefined
[ d0] Jump target:block2
[ b0] GetObjectPropertyIterator dst_iterator:reg5, object:reg6
[ c8] Mov dst:reg6, src:Undefined
[ d8] Jump target:block2
block5:
[ d8] CreateLexicalEnvironment dst:reg9, parent:reg4, capacity:0
[ e8] CreateVariable `x`, is_immutable:false, is_global:false, is_strict:false
[ f8] InitializeLexicalBinding `x`, src:reg7
[ 110] CreateLexicalEnvironment dst:reg10, parent:reg9, capacity:0
[ 120] CreateMutableBinding environment:reg10, `probeDecl`, can_be_deleted:false
[ 130] NewFunction dst:reg11, shared_function_data_index:0
[ 148] InitializeLexicalBinding `probeDecl`, src:reg11
[ 160] GetBinding dst:reg11, `probeDecl`
[ 178] SetVariableBinding `probeDecl`, src:reg11
[ 190] SetLexicalEnvironment environment:reg9
[ 198] SetLexicalEnvironment environment:reg4
[ 1a0] Jump target:block2
[ e0] CreateLexicalEnvironment dst:reg9, parent:reg4, capacity:0, is_catch_environment:false
[ f8] CreateVariable `x`, is_immutable:false, is_global:false, is_strict:false
[ 108] InitializeLexicalBinding `x`, src:reg7
[ 120] CreateLexicalEnvironment dst:reg10, parent:reg9, capacity:0, is_catch_environment:false
[ 138] CreateMutableBinding environment:reg10, `probeDecl`, can_be_deleted:false
[ 148] NewFunction dst:reg11, shared_function_data_index:0
[ 160] InitializeLexicalBinding `probeDecl`, src:reg11
[ 178] GetBinding dst:reg11, `probeDecl`
[ 190] SetVariableBinding `probeDecl`, src:reg11
[ 1a8] SetLexicalEnvironment environment:reg9
[ 1b0] SetLexicalEnvironment environment:reg4
[ 1b8] Jump target:block2

60
Tests/LibJS/Bytecode/expected/for-loop-scoping.txt
View file

@ -13,7 +13,7 @@ block0:
[ 98] End value:reg5
forLetClosure$9d2e257d for-loop-scoping.js:2:15
forLetClosure$24180025 for-loop-scoping.js:2:15
Registers: 10
Blocks: 4
Locals: fns~0
@ -24,41 +24,41 @@ forLetClosure$9d2e257d for-loop-scoping.js:2:15
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] NewArray dst:fns~0
[ 18] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 28] CreateVariable `i`, is_immutable:false, is_global:false, is_strict:false
[ 38] InitializeLexicalBinding `i`, src:Int32(0)
[ 50] GetBinding dst:reg6, `i`
[ 68] SetLexicalEnvironment environment:reg4
[ 70] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 80] CreateVariable `i`, is_immutable:false, is_global:false, is_strict:false
[ 90] InitializeLexicalBinding `i`, src:reg6
[ a8] Jump target:block2
[ 18] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 30] CreateVariable `i`, is_immutable:false, is_global:false, is_strict:false
[ 40] InitializeLexicalBinding `i`, src:Int32(0)
[ 58] GetBinding dst:reg6, `i`
[ 70] SetLexicalEnvironment environment:reg4
[ 78] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 90] CreateVariable `i`, is_immutable:false, is_global:false, is_strict:false
[ a0] InitializeLexicalBinding `i`, src:reg6
[ b8] Jump target:block2
block1:
[ b0] GetById dst:reg7, base:fns~0, `push` (fns.push)
[ d0] Mov dst:reg8, src:fns~0
[ e0] NewFunction dst:reg9, shared_function_data_index:0
[ f8] Call dst:reg6, callee:reg7, this_value:reg8, fns.push, arguments:[reg9]
[ 120] GetBinding dst:reg6, `i`
[ 138] SetLexicalEnvironment environment:reg4
[ 140] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 150] CreateVariable `i`, is_immutable:false, is_global:false, is_strict:false
[ 160] InitializeLexicalBinding `i`, src:reg6
[ 178] GetBinding dst:reg7, `i`
[ 190] PostfixIncrement dst:reg6, src:reg7
[ 1a0] SetLexicalBinding `i`, src:reg7
[ c0] GetById dst:reg7, base:fns~0, `push` (fns.push)
[ e0] Mov dst:reg8, src:fns~0
[ f0] NewFunction dst:reg9, shared_function_data_index:0
[ 108] Call dst:reg6, callee:reg7, this_value:reg8, fns.push, arguments:[reg9]
[ 130] GetBinding dst:reg6, `i`
[ 148] SetLexicalEnvironment environment:reg4
[ 150] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 168] CreateVariable `i`, is_immutable:false, is_global:false, is_strict:false
[ 178] InitializeLexicalBinding `i`, src:reg6
[ 190] GetBinding dst:reg7, `i`
[ 1a8] PostfixIncrement dst:reg6, src:reg7
[ 1b8] SetLexicalBinding `i`, src:reg7
block2:
[ 1b8] GetBinding dst:reg6, `i`
[ 1d0] JumpLessThan lhs:reg6, rhs:Int32(3), true_target:block1, false_target:block3
[ 1d0] GetBinding dst:reg6, `i`
[ 1e8] JumpLessThan lhs:reg6, rhs:Int32(3), true_target:block1, false_target:block3
block3:
[ 1e8] SetLexicalEnvironment environment:reg4
[ 1f0] GetById dst:reg6, base:fns~0, `map` (fns.map)
[ 210] Mov dst:reg7, src:fns~0
[ 220] NewFunction dst:reg8, shared_function_data_index:1
[ 238] Call dst:reg5, callee:reg6, this_value:reg7, fns.map, arguments:[reg8]
[ 260] Return value:reg5
[ 200] SetLexicalEnvironment environment:reg4
[ 208] GetById dst:reg6, base:fns~0, `map` (fns.map)
[ 228] Mov dst:reg7, src:fns~0
[ 238] NewFunction dst:reg8, shared_function_data_index:1
[ 250] Call dst:reg5, callee:reg6, this_value:reg7, fns.map, arguments:[reg8]
[ 278] Return value:reg5
$617ce76f for-loop-scoping.js:6:20

76
Tests/LibJS/Bytecode/expected/for-of-continue-with-block-scope.txt
View file

@ -11,7 +11,7 @@ block0:
[ 50] End value:reg5
f$a6e23ba8 for-of-continue-with-block-scope.js:2:15
f$a9a62cb8 for-of-continue-with-block-scope.js:2:15
Registers: 18
Blocks: 11
Locals: o~0, t~1
@ -23,62 +23,62 @@ f$a6e23ba8 for-of-continue-with-block-scope.js:2:15
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] NewArray dst:t~1
[ 18] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 28] CreateVariable `r`, is_immutable:false, is_global:false, is_strict:false
[ 38] SetLexicalEnvironment environment:reg4
[ 40] GetIterator dst_iterator_object:reg5, dst_iterator_next:reg6, dst_iterator_done:reg7, iterable:arg0
[ 58] Jump target:block2
[ 18] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 30] CreateVariable `r`, is_immutable:false, is_global:false, is_strict:false
[ 40] SetLexicalEnvironment environment:reg4
[ 48] GetIterator dst_iterator_object:reg5, dst_iterator_next:reg6, dst_iterator_done:reg7, iterable:arg0
[ 60] Jump target:block2
block1:
[ 60] Return value:t~1
[ 68] Return value:t~1
block2:
[ 68] IteratorNextUnpack dst_value:reg10, dst_done:reg11, iterator_object:reg5, iterator_next:reg6, iterator_done:reg7
[ 80] JumpIf condition:reg11, true_target:block1, false_target:block4
[ 70] IteratorNextUnpack dst_value:reg10, dst_done:reg11, iterator_object:reg5, iterator_next:reg6, iterator_done:reg7
[ 88] JumpIf condition:reg11, true_target:block1, false_target:block4
block3:
[ 90] Catch dst:reg9
[ 98] SetLexicalEnvironment environment:reg4
[ a0] Mov dst:reg8, src:Int32(1)
[ b0] JumpStrictlyEquals lhs:reg8, rhs:Int32(1), true_target:block7, false_target:block8
[ 98] Catch dst:reg9
[ a0] SetLexicalEnvironment environment:reg4
[ a8] Mov dst:reg8, src:Int32(1)
[ b8] JumpStrictlyEquals lhs:reg8, rhs:Int32(1), true_target:block7, false_target:block8
block4:
[ c8] CreateLexicalEnvironment dst:reg12, parent:reg4, capacity:0
[ d8] CreateVariable `r`, is_immutable:true, is_global:false, is_strict:true
[ e8] InitializeLexicalBinding `r`, src:reg10
[ 100] GetBinding dst:reg14, `r`
[ 118] Not dst:reg13, src:reg14
[ 128] JumpFalse condition:reg13, target:block6
[ d0] CreateLexicalEnvironment dst:reg12, parent:reg4, capacity:0, is_catch_environment:false
[ e8] CreateVariable `r`, is_immutable:true, is_global:false, is_strict:true
[ f8] InitializeLexicalBinding `r`, src:reg10
[ 110] GetBinding dst:reg14, `r`
[ 128] Not dst:reg13, src:reg14
[ 138] JumpFalse condition:reg13, target:block6
block5:
[ 138] GetById dst:reg15, base:t~1, `push` (t.push)
[ 158] Mov dst:reg16, src:t~1
[ 168] GetBinding dst:reg17, `r`
[ 180] Call dst:reg14, callee:reg15, this_value:reg16, t.push, arguments:[reg17]
[ 1a8] SetLexicalEnvironment environment:reg4
[ 1b0] Jump target:block2
[ 148] GetById dst:reg15, base:t~1, `push` (t.push)
[ 168] Mov dst:reg16, src:t~1
[ 178] GetBinding dst:reg17, `r`
[ 190] Call dst:reg14, callee:reg15, this_value:reg16, t.push, arguments:[reg17]
[ 1b8] SetLexicalEnvironment environment:reg4
[ 1c0] Jump target:block2
block6:
[ 1b8] GetById dst:reg13, base:t~1, `find` (t.find)
[ 1d8] Mov dst:reg14, src:t~1
[ 1e8] NewFunction dst:reg15, shared_function_data_index:0
[ 200] Call dst:o~0, callee:reg13, this_value:reg14, t.find, arguments:[reg15]
[ 228] SetLexicalEnvironment environment:reg4
[ 230] Jump target:block2
[ 1c8] GetById dst:reg13, base:t~1, `find` (t.find)
[ 1e8] Mov dst:reg14, src:t~1
[ 1f8] NewFunction dst:reg15, shared_function_data_index:0
[ 210] Call dst:o~0, callee:reg13, this_value:reg14, t.find, arguments:[reg15]
[ 238] SetLexicalEnvironment environment:reg4
[ 240] Jump target:block2
block7:
[ 238] IteratorClose iterator_object:reg5, iterator_next:reg6, iterator_done:reg7, completion_value:reg9
[ 250] Throw src:reg9
[ 248] IteratorClose iterator_object:reg5, iterator_next:reg6, iterator_done:reg7, completion_value:reg9
[ 260] Throw src:reg9
block8:
[ 258] IteratorClose iterator_object:reg5, iterator_next:reg6, iterator_done:reg7, completion_value:Undefined
[ 270] JumpStrictlyEquals lhs:reg8, rhs:Int32(2), true_target:block9, false_target:block10
[ 268] IteratorClose iterator_object:reg5, iterator_next:reg6, iterator_done:reg7, completion_value:Undefined
[ 280] JumpStrictlyEquals lhs:reg8, rhs:Int32(2), true_target:block9, false_target:block10
block9:
[ 288] Return value:reg9
[ 298] Return value:reg9
block10:
[ 290] Throw src:reg9
[ 2a0] Throw src:reg9
Exception handlers:
[ c8 .. 238] => handler block3
[ d0 .. 248] => handler block3

54
Tests/LibJS/Bytecode/expected/lexical-env-teardown.txt
View file

@ -1,4 +1,4 @@
$b319ee85 lexical-env-teardown.js:13:1
$31b7f5fd lexical-env-teardown.js:13:1
Registers: 11
Blocks: 1
Constants:
@ -31,21 +31,21 @@ block0:
[ 2a0] GetGlobal dst:reg10, `catchTeardown`
[ 2b8] Call dst:reg9, callee:reg10, this_value:Undefined, catchTeardown
[ 2d8] Call dst:reg5, callee:reg6, this_value:reg8, console.log, arguments:[reg9]
[ 300] CreateLexicalEnvironment dst:reg7, parent:reg4, capacity:0
[ 310] CreateVariable `myName`, is_immutable:true, is_global:false, is_strict:false
[ 320] NewFunction dst:reg6, shared_function_data_index:0
[ 338] InitializeLexicalBinding `myName`, src:reg6
[ 350] SetLexicalEnvironment environment:reg4
[ 358] SetGlobal `namedFn`, src:reg6
[ 370] GetGlobal dst:reg7, `console`
[ 388] GetById dst:reg8, base:reg7, `log` (console.log)
[ 3a8] GetGlobal dst:reg10, `namedFn`
[ 3c0] Call dst:reg9, callee:reg10, this_value:Undefined, namedFn
[ 3e0] Call dst:reg6, callee:reg8, this_value:reg7, console.log, arguments:[reg9]
[ 408] End value:reg6
[ 300] CreateLexicalEnvironment dst:reg7, parent:reg4, capacity:0, is_catch_environment:false
[ 318] CreateVariable `myName`, is_immutable:true, is_global:false, is_strict:false
[ 328] NewFunction dst:reg6, shared_function_data_index:0
[ 340] InitializeLexicalBinding `myName`, src:reg6
[ 358] SetLexicalEnvironment environment:reg4
[ 360] SetGlobal `namedFn`, src:reg6
[ 378] GetGlobal dst:reg7, `console`
[ 390] GetById dst:reg8, base:reg7, `log` (console.log)
[ 3b0] GetGlobal dst:reg10, `namedFn`
[ 3c8] Call dst:reg9, callee:reg10, this_value:Undefined, namedFn
[ 3e8] Call dst:reg6, callee:reg8, this_value:reg7, console.log, arguments:[reg9]
[ 410] End value:reg6
withTeardown$f8b3e64d lexical-env-teardown.js:7:5
withTeardown$7751edc5 lexical-env-teardown.js:7:5
Registers: 10
Blocks: 1
Locals: inner~0
@ -56,19 +56,19 @@ withTeardown$f8b3e64d lexical-env-teardown.js:7:5
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:1
[ 18] CreateVariable `outer`, is_immutable:false, is_global:false, is_strict:false
[ 28] InitializeLexicalBinding `outer`, src:Int32(1)
[ 40] NewObject dst:reg6
[ 50] InitObjectLiteralProperty object:reg6, `x`, src:Int32(10), shape_cache_index:0, property_slot:0
[ 68] CacheObjectShape object:reg6
[ 78] EnterObjectEnvironment dst:reg7, object:reg6
[ 88] GetBinding dst:reg8, `x`
[ a0] GetBinding dst:reg9, `outer`
[ b8] Add dst:inner~0, lhs:reg8, rhs:reg9
[ c8] SetLexicalEnvironment environment:reg5
[ d0] GetBinding dst:reg6, `outer`
[ e8] Return value:reg6
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:1, is_catch_environment:false
[ 20] CreateVariable `outer`, is_immutable:false, is_global:false, is_strict:false
[ 30] InitializeLexicalBinding `outer`, src:Int32(1)
[ 48] NewObject dst:reg6
[ 58] InitObjectLiteralProperty object:reg6, `x`, src:Int32(10), shape_cache_index:0, property_slot:0
[ 70] CacheObjectShape object:reg6
[ 80] EnterObjectEnvironment dst:reg7, object:reg6
[ 90] GetBinding dst:reg8, `x`
[ a8] GetBinding dst:reg9, `outer`
[ c0] Add dst:inner~0, lhs:reg8, rhs:reg9
[ d0] SetLexicalEnvironment environment:reg5
[ d8] GetBinding dst:reg6, `outer`
[ f0] Return value:reg6
blockTeardown$b6f5c4f0 lexical-env-teardown.js:17:5

22
Tests/LibJS/Bytecode/expected/named-class-expression-no-lhs-name-leak.txt
View file

@ -1,4 +1,4 @@
$b15087f2 named-class-expression-no-lhs-name-leak.js:1:1
$221ada1a named-class-expression-no-lhs-name-leak.js:1:1
Registers: 13
Blocks: 7
Constants:
@ -21,19 +21,19 @@ block2:
[ 80] JumpUndefined condition:reg10, true_target:block3, false_target:block4
block3:
[ 90] CreateLexicalEnvironment dst:reg11, parent:reg4, capacity:0
[ a0] CreateVariable `Foo`, is_immutable:true, is_global:false, is_strict:false
[ b0] SetLexicalEnvironment environment:reg4
[ b8] NewClass dst:reg12, class_environment:reg11, class_blueprint_index:0
[ d8] Mov dst:reg10, src:reg12
[ 90] CreateLexicalEnvironment dst:reg11, parent:reg4, capacity:0, is_catch_environment:false
[ a8] CreateVariable `Foo`, is_immutable:true, is_global:false, is_strict:false
[ b8] SetLexicalEnvironment environment:reg4
[ c0] NewClass dst:reg12, class_environment:reg11, class_blueprint_index:0
[ e0] Mov dst:reg10, src:reg12
block4:
[ e8] SetGlobal `C`, src:reg10
[ 100] JumpFalse condition:reg6, target:block6
[ f0] SetGlobal `C`, src:reg10
[ 108] JumpFalse condition:reg6, target:block6
block5:
[ 110] End value:Undefined
[ 118] End value:Undefined
block6:
[ 118] IteratorClose iterator_object:reg7, iterator_next:reg8, iterator_done:reg9, completion_value:Undefined
[ 130] Jump target:block5
[ 120] IteratorClose iterator_object:reg7, iterator_next:reg8, iterator_done:reg9, completion_value:Undefined
[ 138] Jump target:block5

20
Tests/LibJS/Bytecode/expected/named-function-expression.txt
View file

@ -1,15 +1,15 @@
$642030ef named-function-expression.js:4:6
$cf62a0f7 named-function-expression.js:4:6
Registers: 8
Blocks: 1
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] CreateVariable `Oops`, is_immutable:true, is_global:false, is_strict:false
[ 28] NewFunction dst:reg6, shared_function_data_index:0
[ 40] InitializeLexicalBinding `Oops`, src:reg6
[ 58] SetLexicalEnvironment environment:reg4
[ 60] SetGlobal `Oops`, src:reg6
[ 78] GetGlobal dst:reg5, `Oops`
[ 90] GetById dst:reg7, base:reg5, `x` (Oops.x)
[ b0] End value:reg7
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] CreateVariable `Oops`, is_immutable:true, is_global:false, is_strict:false
[ 30] NewFunction dst:reg6, shared_function_data_index:0
[ 48] InitializeLexicalBinding `Oops`, src:reg6
[ 60] SetLexicalEnvironment environment:reg4
[ 68] SetGlobal `Oops`, src:reg6
[ 80] GetGlobal dst:reg5, `Oops`
[ 98] GetById dst:reg7, base:reg5, `x` (Oops.x)
[ b8] End value:reg7

32
Tests/LibJS/Bytecode/expected/numeric-class-field-name.txt
View file

@ -1,4 +1,4 @@
$7ca8f805 numeric-class-field-name.js:1:1
$fe0af08d numeric-class-field-name.js:1:1
Registers: 7
Blocks: 1
Constants:
@ -7,16 +7,16 @@ $7ca8f805 numeric-class-field-name.js:1:1
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] CreateVariable `C`, is_immutable:true, is_global:false, is_strict:false
[ 28] SetLexicalEnvironment environment:reg4
[ 30] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:Int32(42)]
[ 58] InitializeLexicalBinding `C`, src:reg6
[ 70] GetGlobal dst:reg5, `C`
[ 88] CallConstruct dst:reg6, callee:reg5, C
[ a0] GetByValue dst:reg5, base:reg6, property:Int32(42)
[ b8] GetById dst:reg6, base:reg5, `name` ([42].name)
[ d8] End value:reg6
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] CreateVariable `C`, is_immutable:true, is_global:false, is_strict:false
[ 30] SetLexicalEnvironment environment:reg4
[ 38] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:Int32(42)]
[ 60] InitializeLexicalBinding `C`, src:reg6
[ 78] GetGlobal dst:reg5, `C`
[ 90] CallConstruct dst:reg6, callee:reg5, C
[ a8] GetByValue dst:reg5, base:reg6, property:Int32(42)
[ c0] GetById dst:reg6, base:reg5, `name` ([42].name)
[ e0] End value:reg6
C$e7b179de
@ -29,13 +29,13 @@ block0:
[ 0] End value:Undefined
field$2db660f7 numeric-class-field-name.js:2:10
field$b1dc4a8f numeric-class-field-name.js:2:10
Registers: 7
Blocks: 1
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] SetLexicalEnvironment environment:reg4
[ 20] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0 (42)
[ 40] Return value:reg6
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] SetLexicalEnvironment environment:reg4
[ 28] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0 (42)
[ 48] Return value:reg6

28
Tests/LibJS/Bytecode/expected/postfix-increment-private-member.txt
View file

@ -1,4 +1,4 @@
$2d2a9e5a postfix-increment-private-member.js:1:1
$ae8c96e2 postfix-increment-private-member.js:1:1
Registers: 8
Blocks: 1
Constants:
@ -7,19 +7,19 @@ $2d2a9e5a postfix-increment-private-member.js:1:1
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] CreateVariable `C`, is_immutable:true, is_global:false, is_strict:false
[ 28] CreatePrivateEnvironment
[ 30] AddPrivateName `#c`
[ 38] SetLexicalEnvironment environment:reg4
[ 40] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:String("nextId")]
[ 68] LeavePrivateEnvironment
[ 70] InitializeLexicalBinding `C`, src:reg6
[ 88] GetGlobal dst:reg7, `C`
[ a0] CallConstruct dst:reg5, callee:reg7, C
[ b8] GetById dst:reg7, base:reg5, `nextId`
[ d8] Call dst:reg6, callee:reg7, this_value:reg5, <object>.nextId
[ f8] End value:reg6
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] CreateVariable `C`, is_immutable:true, is_global:false, is_strict:false
[ 30] CreatePrivateEnvironment
[ 38] AddPrivateName `#c`
[ 40] SetLexicalEnvironment environment:reg4
[ 48] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:String("nextId")]
[ 70] LeavePrivateEnvironment
[ 78] InitializeLexicalBinding `C`, src:reg6
[ 90] GetGlobal dst:reg7, `C`
[ a8] CallConstruct dst:reg5, callee:reg7, C
[ c0] GetById dst:reg7, base:reg5, `nextId`
[ e0] Call dst:reg6, callee:reg7, this_value:reg5, <object>.nextId
[ 100] End value:reg6
C$e7b179de

20
Tests/LibJS/Bytecode/expected/private-identifier-access-patterns.txt
View file

@ -1,4 +1,4 @@
$7f6ce915 private-identifier-access-patterns.js:1:1
$00cee19d private-identifier-access-patterns.js:1:1
Registers: 7
Blocks: 1
Constants:
@ -7,12 +7,12 @@ $7f6ce915 private-identifier-access-patterns.js:1:1
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] CreateVariable `C`, is_immutable:true, is_global:false, is_strict:false
[ 28] CreatePrivateEnvironment
[ 30] AddPrivateName `#x`
[ 38] SetLexicalEnvironment environment:reg4
[ 40] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:String("method")]
[ 68] LeavePrivateEnvironment
[ 70] InitializeLexicalBinding `C`, src:reg6
[ 88] End value:Undefined
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] CreateVariable `C`, is_immutable:true, is_global:false, is_strict:false
[ 30] CreatePrivateEnvironment
[ 38] AddPrivateName `#x`
[ 40] SetLexicalEnvironment environment:reg4
[ 48] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:String("method")]
[ 70] LeavePrivateEnvironment
[ 78] InitializeLexicalBinding `C`, src:reg6
[ 90] End value:Undefined

28
Tests/LibJS/Bytecode/expected/private-logical-assignment-register-order.txt
View file

@ -1,4 +1,4 @@
$2d2a9e5a private-logical-assignment-register-order.js:1:1
$ae8c96e2 private-logical-assignment-register-order.js:1:1
Registers: 8
Blocks: 1
Constants:
@ -7,19 +7,19 @@ $2d2a9e5a private-logical-assignment-register-order.js:1:1
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] CreateVariable `C`, is_immutable:true, is_global:false, is_strict:false
[ 28] CreatePrivateEnvironment
[ 30] AddPrivateName `#x`
[ 38] SetLexicalEnvironment environment:reg4
[ 40] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:String("f")]
[ 68] LeavePrivateEnvironment
[ 70] InitializeLexicalBinding `C`, src:reg6
[ 88] GetGlobal dst:reg7, `C`
[ a0] CallConstruct dst:reg5, callee:reg7, C
[ b8] GetById dst:reg7, base:reg5, `f`
[ d8] Call dst:reg6, callee:reg7, this_value:reg5, <object>.f
[ f8] End value:reg6
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] CreateVariable `C`, is_immutable:true, is_global:false, is_strict:false
[ 30] CreatePrivateEnvironment
[ 38] AddPrivateName `#x`
[ 40] SetLexicalEnvironment environment:reg4
[ 48] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:String("f")]
[ 70] LeavePrivateEnvironment
[ 78] InitializeLexicalBinding `C`, src:reg6
[ 90] GetGlobal dst:reg7, `C`
[ a8] CallConstruct dst:reg5, callee:reg7, C
[ c0] GetById dst:reg7, base:reg5, `f`
[ e0] Call dst:reg6, callee:reg7, this_value:reg5, <object>.f
[ 100] End value:reg6
C$e7b179de

28
Tests/LibJS/Bytecode/expected/private-method-call-description.txt
View file

@ -1,4 +1,4 @@
$2d2a9e5a private-method-call-description.js:1:1
$ae8c96e2 private-method-call-description.js:1:1
Registers: 8
Blocks: 1
Constants:
@ -7,19 +7,19 @@ $2d2a9e5a private-method-call-description.js:1:1
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] CreateVariable `C`, is_immutable:true, is_global:false, is_strict:false
[ 28] CreatePrivateEnvironment
[ 30] AddPrivateName `#m`
[ 38] SetLexicalEnvironment environment:reg4
[ 40] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:String("call")]
[ 68] LeavePrivateEnvironment
[ 70] InitializeLexicalBinding `C`, src:reg6
[ 88] GetGlobal dst:reg7, `C`
[ a0] CallConstruct dst:reg5, callee:reg7, C
[ b8] GetById dst:reg7, base:reg5, `call`
[ d8] Call dst:reg6, callee:reg7, this_value:reg5, <object>.call
[ f8] End value:reg6
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] CreateVariable `C`, is_immutable:true, is_global:false, is_strict:false
[ 30] CreatePrivateEnvironment
[ 38] AddPrivateName `#m`
[ 40] SetLexicalEnvironment environment:reg4
[ 48] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:String("call")]
[ 70] LeavePrivateEnvironment
[ 78] InitializeLexicalBinding `C`, src:reg6
[ 90] GetGlobal dst:reg7, `C`
[ a8] CallConstruct dst:reg5, callee:reg7, C
[ c0] GetById dst:reg7, base:reg5, `call`
[ e0] Call dst:reg6, callee:reg7, this_value:reg5, <object>.call
[ 100] End value:reg6
C$e7b179de

20
Tests/LibJS/Bytecode/expected/super-call-spread-register-order.txt
View file

@ -1,4 +1,4 @@
$0656c3bd super-call-spread-register-order.js:1:1
$772115e5 super-call-spread-register-order.js:1:1
Registers: 8
Blocks: 1
Constants:
@ -6,15 +6,15 @@ $0656c3bd super-call-spread-register-order.js:1:1
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] CreateVariable `C`, is_immutable:true, is_global:false, is_strict:false
[ 28] GetGlobal dst:reg6, `Object`
[ 40] SetLexicalEnvironment environment:reg4
[ 48] NewClass dst:reg7, super_class:reg6, class_environment:reg5, class_blueprint_index:0
[ 68] InitializeLexicalBinding `C`, src:reg7
[ 80] GetGlobal dst:reg5, `C`
[ 98] CallConstruct dst:reg7, callee:reg5, C
[ b0] End value:reg7
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] CreateVariable `C`, is_immutable:true, is_global:false, is_strict:false
[ 30] GetGlobal dst:reg6, `Object`
[ 48] SetLexicalEnvironment environment:reg4
[ 50] NewClass dst:reg7, super_class:reg6, class_environment:reg5, class_blueprint_index:0
[ 70] InitializeLexicalBinding `C`, src:reg7
[ 88] GetGlobal dst:reg5, `C`
[ a0] CallConstruct dst:reg7, callee:reg5, C
[ b8] End value:reg7
C$c11ea3e3 super-call-spread-register-order.js:3:14

34
Tests/LibJS/Bytecode/expected/super-computed-eval-order.txt
View file

@ -1,4 +1,4 @@
$27a2bc3a super-computed-eval-order.js:1:1
$24decb2a super-computed-eval-order.js:1:1
Registers: 8
Blocks: 1
Constants:
@ -7,22 +7,22 @@ $27a2bc3a super-computed-eval-order.js:1:1
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] CreateVariable `Base`, is_immutable:true, is_global:false, is_strict:false
[ 28] SetLexicalEnvironment environment:reg4
[ 30] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0
[ 50] InitializeLexicalBinding `Base`, src:reg6
[ 68] CreateLexicalEnvironment dst:reg6, parent:reg4, capacity:0
[ 78] CreateVariable `Derived`, is_immutable:true, is_global:false, is_strict:false
[ 88] GetGlobal dst:reg5, `Base`
[ a0] SetLexicalEnvironment environment:reg4
[ a8] NewClass dst:reg7, super_class:reg5, class_environment:reg6, class_blueprint_index:1, element_keys:[element_keys:String("test")]
[ d0] InitializeLexicalBinding `Derived`, src:reg7
[ e8] GetGlobal dst:reg5, `Derived`
[ 100] CallConstruct dst:reg6, callee:reg5, Derived
[ 118] GetById dst:reg5, base:reg6, `test`
[ 138] Call dst:reg7, callee:reg5, this_value:reg6, <object>.test
[ 158] End value:reg7
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] CreateVariable `Base`, is_immutable:true, is_global:false, is_strict:false
[ 30] SetLexicalEnvironment environment:reg4
[ 38] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0
[ 58] InitializeLexicalBinding `Base`, src:reg6
[ 70] CreateLexicalEnvironment dst:reg6, parent:reg4, capacity:0, is_catch_environment:false
[ 88] CreateVariable `Derived`, is_immutable:true, is_global:false, is_strict:false
[ 98] GetGlobal dst:reg5, `Base`
[ b0] SetLexicalEnvironment environment:reg4
[ b8] NewClass dst:reg7, super_class:reg5, class_environment:reg6, class_blueprint_index:1, element_keys:[element_keys:String("test")]
[ e0] InitializeLexicalBinding `Derived`, src:reg7
[ f8] GetGlobal dst:reg5, `Derived`
[ 110] CallConstruct dst:reg6, callee:reg5, Derived
[ 128] GetById dst:reg5, base:reg6, `test`
[ 148] Call dst:reg7, callee:reg5, this_value:reg6, <object>.test
[ 168] End value:reg7
Derived$730ebf72 super-computed-eval-order.js:4:14

20
Tests/LibJS/Bytecode/expected/super-computed-string-to-id.txt
View file

@ -1,4 +1,4 @@
$0656c3bd super-computed-string-to-id.js:1:1
$772115e5 super-computed-string-to-id.js:1:1
Registers: 8
Blocks: 1
Constants:
@ -6,15 +6,15 @@ $0656c3bd super-computed-string-to-id.js:1:1
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] CreateVariable `C`, is_immutable:true, is_global:false, is_strict:false
[ 28] GetGlobal dst:reg6, `Object`
[ 40] SetLexicalEnvironment environment:reg4
[ 48] NewClass dst:reg7, super_class:reg6, class_environment:reg5, class_blueprint_index:0
[ 68] InitializeLexicalBinding `C`, src:reg7
[ 80] GetGlobal dst:reg5, `C`
[ 98] CallConstruct dst:reg7, callee:reg5, C
[ b0] End value:reg7
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] CreateVariable `C`, is_immutable:true, is_global:false, is_strict:false
[ 30] GetGlobal dst:reg6, `Object`
[ 48] SetLexicalEnvironment environment:reg4
[ 50] NewClass dst:reg7, super_class:reg6, class_environment:reg5, class_blueprint_index:0
[ 70] InitializeLexicalBinding `C`, src:reg7
[ 88] GetGlobal dst:reg5, `C`
[ a0] CallConstruct dst:reg7, callee:reg5, C
[ b8] End value:reg7
C$be5ab2d3 super-computed-string-to-id.js:3:14

30
Tests/LibJS/Bytecode/expected/super-constructor-call.txt
View file

@ -1,4 +1,4 @@
$32b2807a super-constructor-call.js:1:1
$2fee8f6a super-constructor-call.js:1:1
Registers: 8
Blocks: 1
Constants:
@ -7,20 +7,20 @@ $32b2807a super-constructor-call.js:1:1
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] CreateVariable `Base`, is_immutable:true, is_global:false, is_strict:false
[ 28] SetLexicalEnvironment environment:reg4
[ 30] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0
[ 50] InitializeLexicalBinding `Base`, src:reg6
[ 68] CreateLexicalEnvironment dst:reg6, parent:reg4, capacity:0
[ 78] CreateVariable `Derived`, is_immutable:true, is_global:false, is_strict:false
[ 88] GetGlobal dst:reg5, `Base`
[ a0] SetLexicalEnvironment environment:reg4
[ a8] NewClass dst:reg7, super_class:reg5, class_environment:reg6, class_blueprint_index:1
[ c8] InitializeLexicalBinding `Derived`, src:reg7
[ e0] GetGlobal dst:reg6, `Derived`
[ f8] CallConstruct dst:reg7, callee:reg6, Derived, arguments:[Int32(1)]
[ 118] End value:reg7
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] CreateVariable `Base`, is_immutable:true, is_global:false, is_strict:false
[ 30] SetLexicalEnvironment environment:reg4
[ 38] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0
[ 58] InitializeLexicalBinding `Base`, src:reg6
[ 70] CreateLexicalEnvironment dst:reg6, parent:reg4, capacity:0, is_catch_environment:false
[ 88] CreateVariable `Derived`, is_immutable:true, is_global:false, is_strict:false
[ 98] GetGlobal dst:reg5, `Base`
[ b0] SetLexicalEnvironment environment:reg4
[ b8] NewClass dst:reg7, super_class:reg5, class_environment:reg6, class_blueprint_index:1
[ d8] InitializeLexicalBinding `Derived`, src:reg7
[ f0] GetGlobal dst:reg6, `Derived`
[ 108] CallConstruct dst:reg7, callee:reg6, Derived, arguments:[Int32(1)]
[ 128] End value:reg7
Derived$eee8d5da super-constructor-call.js:4:14

40
Tests/LibJS/Bytecode/expected/super-evaluation-order.txt
View file

@ -1,4 +1,4 @@
$bf243d42 super-evaluation-order.js:1:1
$3afe53aa super-evaluation-order.js:1:1
Registers: 9
Blocks: 1
Constants:
@ -9,25 +9,25 @@ $bf243d42 super-evaluation-order.js:1:1
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] CreateVariable `A`, is_immutable:true, is_global:false, is_strict:false
[ 28] GetGlobal dst:reg6, `Object`
[ 40] SetLexicalEnvironment environment:reg4
[ 48] NewClass dst:reg7, super_class:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:String("read"), element_keys:String("write"), element_keys:String("update")]
[ 78] InitializeLexicalBinding `A`, src:reg7
[ 90] GetGlobal dst:reg6, `A`
[ a8] CallConstruct dst:reg5, callee:reg6, A
[ c0] GetById dst:reg6, base:reg5, `read`
[ e0] Call dst:reg7, callee:reg6, this_value:reg5, <object>.read
[ 100] GetGlobal dst:reg8, `A`
[ 118] CallConstruct dst:reg5, callee:reg8, A
[ 130] GetById dst:reg8, base:reg5, `write`
[ 150] Call dst:reg6, callee:reg8, this_value:reg5, <object>.write
[ 170] GetGlobal dst:reg5, `A`
[ 188] CallConstruct dst:reg8, callee:reg5, A
[ 1a0] GetById dst:reg5, base:reg8, `update`
[ 1c0] Call dst:reg7, callee:reg5, this_value:reg8, <object>.update
[ 1e0] End value:reg7
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] CreateVariable `A`, is_immutable:true, is_global:false, is_strict:false
[ 30] GetGlobal dst:reg6, `Object`
[ 48] SetLexicalEnvironment environment:reg4
[ 50] NewClass dst:reg7, super_class:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:String("read"), element_keys:String("write"), element_keys:String("update")]
[ 80] InitializeLexicalBinding `A`, src:reg7
[ 98] GetGlobal dst:reg6, `A`
[ b0] CallConstruct dst:reg5, callee:reg6, A
[ c8] GetById dst:reg6, base:reg5, `read`
[ e8] Call dst:reg7, callee:reg6, this_value:reg5, <object>.read
[ 108] GetGlobal dst:reg8, `A`
[ 120] CallConstruct dst:reg5, callee:reg8, A
[ 138] GetById dst:reg8, base:reg5, `write`
[ 158] Call dst:reg6, callee:reg8, this_value:reg5, <object>.write
[ 178] GetGlobal dst:reg5, `A`
[ 190] CallConstruct dst:reg8, callee:reg5, A
[ 1a8] GetById dst:reg5, base:reg8, `update`
[ 1c8] Call dst:reg7, callee:reg5, this_value:reg8, <object>.update
[ 1e8] End value:reg7
A$3d02c59c super-evaluation-order.js:1:1

18
Tests/LibJS/Bytecode/expected/super-for-of-resolve-order.txt
View file

@ -1,4 +1,4 @@
$87b8bc45 super-for-of-resolve-order.js:1:1
$091ab4cd super-for-of-resolve-order.js:1:1
Registers: 7
Blocks: 1
Constants:
@ -6,14 +6,14 @@ $87b8bc45 super-for-of-resolve-order.js:1:1
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] CreateVariable `C`, is_immutable:true, is_global:false, is_strict:false
[ 28] SetLexicalEnvironment environment:reg4
[ 30] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0
[ 50] InitializeLexicalBinding `C`, src:reg6
[ 68] GetGlobal dst:reg5, `C`
[ 80] CallConstruct dst:reg6, callee:reg5, C
[ 98] End value:reg6
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] CreateVariable `C`, is_immutable:true, is_global:false, is_strict:false
[ 30] SetLexicalEnvironment environment:reg4
[ 38] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0
[ 58] InitializeLexicalBinding `C`, src:reg6
[ 70] GetGlobal dst:reg5, `C`
[ 88] CallConstruct dst:reg6, callee:reg5, C
[ a0] End value:reg6
C$9d8b2466 super-for-of-resolve-order.js:3:28

34
Tests/LibJS/Bytecode/expected/super-length-access.txt
View file

@ -1,4 +1,4 @@
$663d1da4 super-length-access.js:3:1
$63792c94 super-length-access.js:3:1
Registers: 8
Blocks: 1
Constants:
@ -8,22 +8,22 @@ $663d1da4 super-length-access.js:3:1
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] CreateVariable `A`, is_immutable:true, is_global:false, is_strict:false
[ 28] SetLexicalEnvironment environment:reg4
[ 30] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:String("length")]
[ 58] InitializeLexicalBinding `A`, src:reg6
[ 70] CreateLexicalEnvironment dst:reg6, parent:reg4, capacity:0
[ 80] CreateVariable `B`, is_immutable:true, is_global:false, is_strict:false
[ 90] GetGlobal dst:reg5, `A`
[ a8] SetLexicalEnvironment environment:reg4
[ b0] NewClass dst:reg7, super_class:reg5, class_environment:reg6, class_blueprint_index:1, element_keys:[element_keys:String("m")]
[ d8] InitializeLexicalBinding `B`, src:reg7
[ f0] GetGlobal dst:reg5, `B`
[ 108] CallConstruct dst:reg6, callee:reg5, B
[ 120] GetById dst:reg5, base:reg6, `m`
[ 140] Call dst:reg7, callee:reg5, this_value:reg6, <object>.m
[ 160] End value:reg7
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] CreateVariable `A`, is_immutable:true, is_global:false, is_strict:false
[ 30] SetLexicalEnvironment environment:reg4
[ 38] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:String("length")]
[ 60] InitializeLexicalBinding `A`, src:reg6
[ 78] CreateLexicalEnvironment dst:reg6, parent:reg4, capacity:0, is_catch_environment:false
[ 90] CreateVariable `B`, is_immutable:true, is_global:false, is_strict:false
[ a0] GetGlobal dst:reg5, `A`
[ b8] SetLexicalEnvironment environment:reg4
[ c0] NewClass dst:reg7, super_class:reg5, class_environment:reg6, class_blueprint_index:1, element_keys:[element_keys:String("m")]
[ e8] InitializeLexicalBinding `B`, src:reg7
[ 100] GetGlobal dst:reg5, `B`
[ 118] CallConstruct dst:reg6, callee:reg5, B
[ 130] GetById dst:reg5, base:reg6, `m`
[ 150] Call dst:reg7, callee:reg5, this_value:reg6, <object>.m
[ 170] End value:reg7
B$cbd8a311 super-length-access.js:7:1

34
Tests/LibJS/Bytecode/expected/super-optional-call-this.txt
View file

@ -1,4 +1,4 @@
$a904b4c2 super-optional-call-this.js:1:1
$a640c3b2 super-optional-call-this.js:1:1
Registers: 8
Blocks: 1
Constants:
@ -7,22 +7,22 @@ $a904b4c2 super-optional-call-this.js:1:1
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] CreateVariable `Base`, is_immutable:true, is_global:false, is_strict:false
[ 28] SetLexicalEnvironment environment:reg4
[ 30] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:String("method")]
[ 58] InitializeLexicalBinding `Base`, src:reg6
[ 70] CreateLexicalEnvironment dst:reg6, parent:reg4, capacity:0
[ 80] CreateVariable `Foo`, is_immutable:true, is_global:false, is_strict:false
[ 90] GetGlobal dst:reg5, `Base`
[ a8] SetLexicalEnvironment environment:reg4
[ b0] NewClass dst:reg7, super_class:reg5, class_environment:reg6, class_blueprint_index:1, element_keys:[element_keys:String("method")]
[ d8] InitializeLexicalBinding `Foo`, src:reg7
[ f0] GetGlobal dst:reg5, `Foo`
[ 108] CallConstruct dst:reg6, callee:reg5, Foo
[ 120] GetById dst:reg5, base:reg6, `method`
[ 140] Call dst:reg7, callee:reg5, this_value:reg6, <object>.method
[ 160] End value:reg7
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] CreateVariable `Base`, is_immutable:true, is_global:false, is_strict:false
[ 30] SetLexicalEnvironment environment:reg4
[ 38] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:String("method")]
[ 60] InitializeLexicalBinding `Base`, src:reg6
[ 78] CreateLexicalEnvironment dst:reg6, parent:reg4, capacity:0, is_catch_environment:false
[ 90] CreateVariable `Foo`, is_immutable:true, is_global:false, is_strict:false
[ a0] GetGlobal dst:reg5, `Base`
[ b8] SetLexicalEnvironment environment:reg4
[ c0] NewClass dst:reg7, super_class:reg5, class_environment:reg6, class_blueprint_index:1, element_keys:[element_keys:String("method")]
[ e8] InitializeLexicalBinding `Foo`, src:reg7
[ 100] GetGlobal dst:reg5, `Foo`
[ 118] CallConstruct dst:reg6, callee:reg5, Foo
[ 130] GetById dst:reg5, base:reg6, `method`
[ 150] Call dst:reg7, callee:reg5, this_value:reg6, <object>.method
[ 170] End value:reg7
Foo$f8ebe2ee super-optional-call-this.js:4:1

34
Tests/LibJS/Bytecode/expected/switch-scoping.txt
View file

@ -20,7 +20,7 @@ block0:
[ 140] End value:reg7
switchWithBlockDecl$4f465f02 switch-scoping.js:2:5
switchWithBlockDecl$ba88cf0a switch-scoping.js:2:5
Registers: 7
Blocks: 6
Locals: result~0
@ -34,32 +34,32 @@ switchWithBlockDecl$4f465f02 switch-scoping.js:2:5
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] Mov dst:result~0, src:Undefined
[ 18] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 28] CreateMutableBinding environment:reg5, `a`, can_be_deleted:false
[ 38] CreateMutableBinding environment:reg5, `b`, can_be_deleted:false
[ 48] JumpStrictlyEquals lhs:Int32(1), rhs:arg0, true_target:block3, false_target:block1
[ 18] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 30] CreateMutableBinding environment:reg5, `a`, can_be_deleted:false
[ 40] CreateMutableBinding environment:reg5, `b`, can_be_deleted:false
[ 50] JumpStrictlyEquals lhs:Int32(1), rhs:arg0, true_target:block3, false_target:block1
block1:
[ 60] JumpStrictlyEquals lhs:Int32(2), rhs:arg0, true_target:block4, false_target:block2
[ 68] JumpStrictlyEquals lhs:Int32(2), rhs:arg0, true_target:block4, false_target:block2
block2:
[ 78] Jump target:block5
[ 80] Jump target:block5
block3:
[ 80] InitializeLexicalBinding `a`, src:String("one")
[ 98] NewFunction dst:reg6, shared_function_data_index:0 (result)
[ b0] Mov dst:result~0, src:reg6
[ c0] Jump target:block5
[ 88] InitializeLexicalBinding `a`, src:String("one")
[ a0] NewFunction dst:reg6, shared_function_data_index:0 (result)
[ b8] Mov dst:result~0, src:reg6
[ c8] Jump target:block5
block4:
[ c8] InitializeLexicalBinding `b`, src:String("two")
[ e0] NewFunction dst:reg6, shared_function_data_index:1 (result)
[ f8] Mov dst:result~0, src:reg6
[ d0] InitializeLexicalBinding `b`, src:String("two")
[ e8] NewFunction dst:reg6, shared_function_data_index:1 (result)
[ 100] Mov dst:result~0, src:reg6
block5:
[ 108] SetLexicalEnvironment environment:reg4
[ 110] Call dst:reg5, callee:result~0, this_value:Undefined, result
[ 130] Return value:reg5
[ 110] SetLexicalEnvironment environment:reg4
[ 118] Call dst:reg5, callee:result~0, this_value:Undefined, result
[ 138] Return value:reg5
result$38b0d48c switch-scoping.js:6:22

34
Tests/LibJS/Bytecode/expected/switch-with-block-scope-return.txt
View file

@ -11,7 +11,7 @@ block0:
[ 40] End value:reg5
f$055cd79c switch-with-block-scope-return.js:2:5
f$83fadf14 switch-with-block-scope-return.js:2:5
Registers: 8
Blocks: 7
Constants:
@ -24,31 +24,31 @@ f$055cd79c switch-with-block-scope-return.js:2:5
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] CreateImmutableBinding environment:reg5, `y`, strict_binding:true
[ 28] JumpStrictlyEquals lhs:Int32(1), rhs:arg0, true_target:block3, false_target:block1
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] CreateImmutableBinding environment:reg5, `y`, strict_binding:true
[ 30] JumpStrictlyEquals lhs:Int32(1), rhs:arg0, true_target:block3, false_target:block1
block1:
[ 40] JumpStrictlyEquals lhs:Int32(2), rhs:arg0, true_target:block4, false_target:block2
[ 48] JumpStrictlyEquals lhs:Int32(2), rhs:arg0, true_target:block4, false_target:block2
block2:
[ 58] Jump target:block5
[ 60] Jump target:block5
block3:
[ 60] SetLexicalEnvironment environment:reg4
[ 68] Return value:String("one")
[ 68] SetLexicalEnvironment environment:reg4
[ 70] Return value:String("one")
block4:
[ 70] InitializeLexicalBinding `y`, src:String("two")
[ 88] NewFunction dst:reg7, shared_function_data_index:0
[ a0] Call dst:reg6, callee:reg7, this_value:Undefined
[ c0] SetLexicalEnvironment environment:reg4
[ c8] Return value:reg6
[ 78] InitializeLexicalBinding `y`, src:String("two")
[ 90] NewFunction dst:reg7, shared_function_data_index:0
[ a8] Call dst:reg6, callee:reg7, this_value:Undefined
[ c8] SetLexicalEnvironment environment:reg4
[ d0] Return value:reg6
block5:
[ d0] SetLexicalEnvironment environment:reg4
[ d8] Return value:String("other")
[ d8] SetLexicalEnvironment environment:reg4
[ e0] Return value:String("other")
block6:
[ e0] SetLexicalEnvironment environment:reg4
[ e8] End value:Undefined
[ e8] SetLexicalEnvironment environment:reg4
[ f0] End value:Undefined

20
Tests/LibJS/Bytecode/expected/using-declaration-non-local-env.txt
View file

@ -26,7 +26,7 @@ Exception handlers:
[ 48 .. b0] => handler block1
$e58540c1 using-declaration-non-local-env.js:1:21
$66e73949 using-declaration-non-local-env.js:1:21
Registers: 8
Blocks: 2
Constants:
@ -34,14 +34,14 @@ $e58540c1 using-declaration-non-local-env.js:1:21
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] CreateImmutableBinding environment:reg5, `x`, strict_binding:true
[ 28] NewTypeError dst:reg6, TODO: UsingDeclaration
[ 38] SetLexicalEnvironment environment:reg4
[ 40] Throw src:reg6
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] CreateImmutableBinding environment:reg5, `x`, strict_binding:true
[ 30] NewTypeError dst:reg6, TODO: UsingDeclaration
[ 40] SetLexicalEnvironment environment:reg4
[ 48] Throw src:reg6
block1:
[ 48] NewFunction dst:reg7, shared_function_data_index:0
[ 60] Call dst:reg6, callee:reg7, this_value:Undefined
[ 80] SetLexicalEnvironment environment:reg4
[ 88] End value:Undefined
[ 50] NewFunction dst:reg7, shared_function_data_index:0
[ 68] Call dst:reg6, callee:reg7, this_value:Undefined
[ 88] SetLexicalEnvironment environment:reg4
[ 90] End value:Undefined

14
Tests/LibJS/Bytecode/expected/var-binding-access.txt
View file

@ -28,7 +28,7 @@ block0:
[ 70] Return value:reg5
let_access$c5263a88 var-binding-access.js:14:5
let_access$6d3f61f0 var-binding-access.js:14:5
Registers: 7
Blocks: 1
Constants:
@ -36,9 +36,9 @@ let_access$c5263a88 var-binding-access.js:14:5
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:1
[ 18] CreateVariable `x`, is_immutable:false, is_global:false, is_strict:false
[ 28] InitializeLexicalBinding `x`, src:Int32(1)
[ 40] NewFunction dst:reg6, shared_function_data_index:0
[ 58] GetBinding dst:reg6, `x`
[ 70] Return value:reg6
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:1, is_catch_environment:false
[ 20] CreateVariable `x`, is_immutable:false, is_global:false, is_strict:false
[ 30] InitializeLexicalBinding `x`, src:Int32(1)
[ 48] NewFunction dst:reg6, shared_function_data_index:0
[ 60] GetBinding dst:reg6, `x`
[ 78] Return value:reg6

42
Tests/LibJS/Bytecode/expected/var-env-capacity-with-param-expressions.txt
View file

@ -10,7 +10,7 @@ block0:
[ 38] End value:reg5
f$20dcebd6 var-env-capacity-with-param-expressions.js:3:9
f$a23ee45e var-env-capacity-with-param-expressions.js:3:9
Registers: 10
Blocks: 3
Constants:
@ -20,30 +20,30 @@ f$20dcebd6 var-env-capacity-with-param-expressions.js:3:9
block0:
[ 0] GetLexicalEnvironment dst:reg4
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0
[ 18] CreateVariable `x`, is_immutable:false, is_global:false, is_strict:false
[ 28] CreateArguments is_immutable:false
[ 38] JumpUndefined condition:arg0, true_target:block1, false_target:block2
[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
[ 20] CreateVariable `x`, is_immutable:false, is_global:false, is_strict:false
[ 30] CreateArguments is_immutable:false
[ 40] JumpUndefined condition:arg0, true_target:block1, false_target:block2
block1:
[ 48] Mov dst:arg0, src:Int32(1)
[ 50] Mov dst:arg0, src:Int32(1)
block2:
[ 58] InitializeLexicalBinding `x`, src:arg0
[ 70] CreateVariableEnvironment capacity:3
[ 78] GetLexicalEnvironment dst:reg6
[ 80] Mov dst:reg7, src:Undefined
[ 90] CreateVariable `a`, is_immutable:false, is_global:false, is_strict:false
[ a0] InitializeVariableBinding `a`, src:reg7
[ b8] Mov dst:reg7, src:Undefined
[ c8] CreateVariable `b`, is_immutable:false, is_global:false, is_strict:false
[ d8] InitializeVariableBinding `b`, src:reg7
[ f0] Mov dst:reg7, src:Undefined
[ 100] CreateVariable `c`, is_immutable:false, is_global:false, is_strict:false
[ 110] InitializeVariableBinding `c`, src:reg7
[ 128] GetCalleeAndThisFromEnvironment callee:reg8, this_value:reg9, `eval`
[ 140] CallDirectEval dst:reg7, callee:reg8, this_value:reg9, eval, arguments:[String("")]
[ 168] End value:Undefined
[ 60] InitializeLexicalBinding `x`, src:arg0
[ 78] CreateVariableEnvironment capacity:3
[ 80] GetLexicalEnvironment dst:reg6
[ 88] Mov dst:reg7, src:Undefined
[ 98] CreateVariable `a`, is_immutable:false, is_global:false, is_strict:false
[ a8] InitializeVariableBinding `a`, src:reg7
[ c0] Mov dst:reg7, src:Undefined
[ d0] CreateVariable `b`, is_immutable:false, is_global:false, is_strict:false
[ e0] InitializeVariableBinding `b`, src:reg7
[ f8] Mov dst:reg7, src:Undefined
[ 108] CreateVariable `c`, is_immutable:false, is_global:false, is_strict:false
[ 118] InitializeVariableBinding `c`, src:reg7
[ 130] GetCalleeAndThisFromEnvironment callee:reg8, this_value:reg9, `eval`
[ 148] CallDirectEval dst:reg7, callee:reg8, this_value:reg9, eval, arguments:[String("")]
[ 170] End value:Undefined
eval$b72141f3

73
Tests/LibJS/Runtime/eval-catch-redeclare.js Normal file
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/*
* Copyright (c) 2026-present, the Ladybird developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*
* https://github.com/tc39/test262/blob/main/test/annexB/language/eval-code/direct/var-env-lower-lex-catch-non-strict.js
*/
describe("eval catch block redeclaration", () => {
test("eval function declaration in catch block does not throw", () => {
try {
throw null;
} catch (err) {
eval("function err() {}");
}
});
test("eval function* declaration in catch block does not throw", () => {
try {
throw null;
} catch (err) {
eval("function* err() {}");
}
});
test("eval async function declaration in catch block does not throw", () => {
try {
throw null;
} catch (err) {
eval("async function err() {}");
}
});
test("eval async function* declaration in catch block does not throw", () => {
try {
throw null;
} catch (err) {
eval("async function* err() {}");
}
});
test("eval var declaration in catch block does not throw", () => {
try {
throw null;
} catch (err) {
eval("var err;");
}
});
test("eval var in for statement inside catch block does not throw", () => {
try {
throw null;
} catch (err) {
eval("for (var err; false; ) {}");
}
});
test("eval var in for-in inside catch block does not throw", () => {
try {
throw null;
} catch (err) {
eval("for (var err in {}) {}");
}
});
test("eval var in for-of inside catch block does not throw", () => {
try {
throw null;
} catch (err) {
eval("for (var err of []) {}");
}
});
});