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LibJS: Add FunctionExpression AST node

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Most of the code is shared with FunctionDeclaration, so the shared bits
are moved up into a common base called FunctionNode.
This commit is contained in:
Andreas Kling 2020-03-19 11:12:08 +01:00
parent f0b49ae04b
commit b1b4c9844e
2 changed files with 59 additions and 15 deletions
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23
Libraries/LibJS/AST.cpp
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@ -43,10 +43,15 @@ Value ScopeNode::execute(Interpreter& interpreter) const
Value FunctionDeclaration::execute(Interpreter& interpreter) const
{
auto* function = interpreter.heap().allocate<ScriptFunction>(body(), parameters());
interpreter.set_variable(m_name, function);
interpreter.set_variable(name(), function);
return function;
}
Value FunctionExpression::execute(Interpreter& interpreter) const
{
return interpreter.heap().allocate<ScriptFunction>(body(), parameters());
}
Value ExpressionStatement::execute(Interpreter& interpreter) const
{
return m_expression->execute(interpreter);
@ -385,11 +390,11 @@ void NullLiteral::dump(int indent) const
printf("null\n");
}
void FunctionDeclaration::dump(int indent) const
void FunctionNode::dump(int indent, const char* class_name) const
{
bool first_time = true;
StringBuilder parameters_builder;
for (const auto& parameter : m_parameters) {
for (const auto& parameter : parameters()) {
if (first_time)
first_time = false;
else
@ -399,10 +404,20 @@ void FunctionDeclaration::dump(int indent) const
}
print_indent(indent);
printf("%s '%s(%s)'\n", class_name(), name().characters(), parameters_builder.build().characters());
printf("%s '%s(%s)'\n", class_name, name().characters(), parameters_builder.build().characters());
body().dump(indent + 1);
}
void FunctionDeclaration::dump(int indent) const
{
FunctionNode::dump(indent, class_name());
}
void FunctionExpression::dump(int indent) const
{
FunctionNode::dump(indent, class_name());
}
void ReturnStatement::dump(int indent) const
{
ASTNode::dump(indent);