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Shell: Add support for functions

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This implementation does not have support for 'return' yet.
This commit is contained in:
AnotherTest 2020-09-13 15:54:33 +04:30 • committed by Andreas Kling
parent 519aa2048a
commit d1550ea64f
6 changed files with 264 additions and 5 deletions
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22
Shell/AST.h
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@ -636,6 +636,28 @@ private:
int dest_fd { -1 };
};
class FunctionDeclaration final : public Node {
public:
struct NameWithPosition {
String name;
Position position;
};
FunctionDeclaration(Position, NameWithPosition name, Vector<NameWithPosition> argument_names, RefPtr<AST::Node> body);
virtual ~FunctionDeclaration();
private:
virtual void dump(int level) const override;
virtual RefPtr<Value> run(RefPtr<Shell>) override;
virtual void highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
virtual HitTestResult hit_test_position(size_t) override;
virtual String class_name() const override { return "FunctionDeclaration"; }
virtual bool would_execute() const override { return true; }
NameWithPosition m_name;
Vector<NameWithPosition> m_arguments;
RefPtr<AST::Node> m_block;
};
class ForLoop final : public Node {
public:
ForLoop(Position, String variable_name, RefPtr<AST::Node> iterated_expr, RefPtr<AST::Node> block, Optional<size_t> in_kw_position = {});