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LibJS: Track source positions all the way down to exceptions

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This makes exceptions have a trace of source positions too, which could
probably be helpful in making fancier error tracebacks.
This commit is contained in:
AnotherTest 2020-12-28 20:45:22 +03:30 • committed by Andreas Kling
parent f17874ecd2
commit b34b681811
10 changed files with 647 additions and 245 deletions
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5
Libraries/LibJS/Runtime/VM.h
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@ -126,10 +126,14 @@ public:
void pop_call_frame() { m_call_stack.take_last(); }
void push_ast_node(const ASTNode& node) { m_ast_nodes.append(&node); }
void pop_ast_node() { m_ast_nodes.take_last(); }
CallFrame& call_frame() { return *m_call_stack.last(); }
const CallFrame& call_frame() const { return *m_call_stack.last(); }
const Vector<CallFrame*>& call_stack() const { return m_call_stack; }
Vector<CallFrame*>& call_stack() { return m_call_stack; }
const Vector<const ASTNode*>& node_stack() const { return m_ast_nodes; }
const ScopeObject* current_scope() const { return call_frame().scope; }
ScopeObject* current_scope() { return call_frame().scope; }
@ -249,6 +253,7 @@ private:
Vector<Interpreter*> m_interpreters;
Vector<CallFrame*> m_call_stack;
Vector<const ASTNode*> m_ast_nodes;
Value m_last_value;
ScopeType m_unwind_until { ScopeType::None };