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LibJS: Add support for "continue" inside "for" statements :^)

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This commit is contained in:
Andreas Kling
2020-04-05 00:22:42 +02:00
parent e3b92caa6d
commit 9ebd066ac8
8 changed files with 65 additions and 1 deletions
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28
Libraries/LibJS/AST.cpp
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@@ -215,6 +215,16 @@ Value ForStatement::execute(Interpreter& interpreter) const
last_value = interpreter.run(*m_body);
if (interpreter.exception())
return {};
if (interpreter.should_unwind()) {
if (interpreter.should_unwind_until(ScopeType::Continuable)) {
interpreter.stop_unwind();
} else if (interpreter.should_unwind_until(ScopeType::Breakable)) {
interpreter.stop_unwind();
break;
} else {
return {};
}
}
if (m_update) {
m_update->execute(interpreter);
if (interpreter.exception())
@@ -226,6 +236,16 @@ Value ForStatement::execute(Interpreter& interpreter) const
last_value = interpreter.run(*m_body);
if (interpreter.exception())
return {};
if (interpreter.should_unwind()) {
if (interpreter.should_unwind_until(ScopeType::Continuable)) {
interpreter.stop_unwind();
} else if (interpreter.should_unwind_until(ScopeType::Breakable)) {
interpreter.stop_unwind();
break;
} else {
return {};
}
}
if (m_update) {
m_update->execute(interpreter);
if (interpreter.exception())
@@ -759,7 +779,7 @@ Value VariableDeclaration::execute(Interpreter& interpreter) const
return {};
}
Value VariableDeclarator::execute(Interpreter &) const
Value VariableDeclarator::execute(Interpreter&) const
{
// NOTE: This node is handled by VariableDeclaration.
ASSERT_NOT_REACHED();
@@ -1005,6 +1025,12 @@ Value BreakStatement::execute(Interpreter& interpreter) const
return {};
}
Value ContinueStatement::execute(Interpreter& interpreter) const
{
interpreter.unwind(ScopeType::Continuable);
return {};
}
void SwitchStatement::dump(int indent) const
{
ASTNode::dump(indent);