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diff --git a/lib/config/expression.hpp b/lib/config/expression.hpp
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+/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
+
+#ifndef EXPRESSION_H
+#define EXPRESSION_H
+
+#include "config/i2-config.hpp"
+#include "base/debuginfo.hpp"
+#include "base/array.hpp"
+#include "base/dictionary.hpp"
+#include "base/function.hpp"
+#include "base/exception.hpp"
+#include "base/scriptframe.hpp"
+#include "base/shared-object.hpp"
+#include "base/convert.hpp"
+#include <map>
+
+namespace icinga
+{
+
+struct DebugHint
+{
+public:
+ DebugHint(Dictionary::Ptr hints = nullptr)
+ : m_Hints(std::move(hints))
+ { }
+
+ DebugHint(Dictionary::Ptr&& hints)
+ : m_Hints(std::move(hints))
+ { }
+
+ void AddMessage(const String& message, const DebugInfo& di)
+ {
+ GetMessages()->Add(new Array({ message, di.Path, di.FirstLine, di.FirstColumn, di.LastLine, di.LastColumn }));
+ }
+
+ DebugHint GetChild(const String& name)
+ {
+ const Dictionary::Ptr& children = GetChildren();
+
+ Value vchild;
+ Dictionary::Ptr child;
+
+ if (!children->Get(name, &vchild)) {
+ child = new Dictionary();
+ children->Set(name, child);
+ } else
+ child = vchild;
+
+ return DebugHint(child);
+ }
+
+ Dictionary::Ptr ToDictionary() const
+ {
+ return m_Hints;
+ }
+
+private:
+ Dictionary::Ptr m_Hints;
+ Array::Ptr m_Messages;
+ Dictionary::Ptr m_Children;
+
+ const Array::Ptr& GetMessages()
+ {
+ if (m_Messages)
+ return m_Messages;
+
+ if (!m_Hints)
+ m_Hints = new Dictionary();
+
+ Value vmessages;
+
+ if (!m_Hints->Get("messages", &vmessages)) {
+ m_Messages = new Array();
+ m_Hints->Set("messages", m_Messages);
+ } else
+ m_Messages = vmessages;
+
+ return m_Messages;
+ }
+
+ const Dictionary::Ptr& GetChildren()
+ {
+ if (m_Children)
+ return m_Children;
+
+ if (!m_Hints)
+ m_Hints = new Dictionary();
+
+ Value vchildren;
+
+ if (!m_Hints->Get("properties", &vchildren)) {
+ m_Children = new Dictionary();
+ m_Hints->Set("properties", m_Children);
+ } else
+ m_Children = vchildren;
+
+ return m_Children;
+ }
+};
+
+enum CombinedSetOp
+{
+ OpSetLiteral,
+ OpSetAdd,
+ OpSetSubtract,
+ OpSetMultiply,
+ OpSetDivide,
+ OpSetModulo,
+ OpSetXor,
+ OpSetBinaryAnd,
+ OpSetBinaryOr
+};
+
+enum ScopeSpecifier
+{
+ ScopeLocal,
+ ScopeThis,
+ ScopeGlobal
+};
+
+typedef std::map<String, String> DefinitionMap;
+
+/**
+ * @ingroup config
+ */
+enum ExpressionResultCode
+{
+ ResultOK,
+ ResultReturn,
+ ResultContinue,
+ ResultBreak
+};
+
+/**
+ * @ingroup config
+ */
+struct ExpressionResult
+{
+public:
+ template<typename T>
+ ExpressionResult(T value, ExpressionResultCode code = ResultOK)
+ : m_Value(std::move(value)), m_Code(code)
+ { }
+
+ operator const Value&() const
+ {
+ return m_Value;
+ }
+
+ const Value& GetValue() const
+ {
+ return m_Value;
+ }
+
+ ExpressionResultCode GetCode() const
+ {
+ return m_Code;
+ }
+
+private:
+ Value m_Value;
+ ExpressionResultCode m_Code;
+};
+
+#define CHECK_RESULT(res) \
+ do { \
+ if (res.GetCode() != ResultOK) \
+ return res; \
+ } while (0);
+
+#define CHECK_RESULT_LOOP(res) \
+ if (res.GetCode() == ResultReturn) \
+ return res; \
+ if (res.GetCode() == ResultContinue) \
+ continue; \
+ if (res.GetCode() == ResultBreak) \
+ break; \
+
+/**
+ * @ingroup config
+ */
+class Expression : public SharedObject
+{
+public:
+ DECLARE_PTR_TYPEDEFS(Expression);
+
+ Expression() = default;
+ Expression(const Expression&) = delete;
+ virtual ~Expression();
+
+ Expression& operator=(const Expression&) = delete;
+
+ ExpressionResult Evaluate(ScriptFrame& frame, DebugHint *dhint = nullptr) const;
+ virtual bool GetReference(ScriptFrame& frame, bool init_dict, Value *parent, String *index, DebugHint **dhint = nullptr) const;
+ virtual const DebugInfo& GetDebugInfo() const;
+
+ virtual ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const = 0;
+
+ static boost::signals2::signal<void (ScriptFrame& frame, ScriptError *ex, const DebugInfo& di)> OnBreakpoint;
+
+ static void ScriptBreakpoint(ScriptFrame& frame, ScriptError *ex, const DebugInfo& di);
+};
+
+std::unique_ptr<Expression> MakeIndexer(ScopeSpecifier scopeSpec, const String& index);
+
+class OwnedExpression final : public Expression
+{
+public:
+ OwnedExpression(Expression::Ptr expression)
+ : m_Expression(std::move(expression))
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override
+ {
+ return m_Expression->DoEvaluate(frame, dhint);
+ }
+
+ const DebugInfo& GetDebugInfo() const override
+ {
+ return m_Expression->GetDebugInfo();
+ }
+
+private:
+ Expression::Ptr m_Expression;
+};
+
+class LiteralExpression final : public Expression
+{
+public:
+ LiteralExpression(Value value = Value());
+
+ const Value& GetValue() const
+ {
+ return m_Value;
+ }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+
+private:
+ Value m_Value;
+};
+
+inline LiteralExpression *MakeLiteralRaw(const Value& literal = Value())
+{
+ return new LiteralExpression(literal);
+}
+
+inline std::unique_ptr<LiteralExpression> MakeLiteral(const Value& literal = Value())
+{
+ return std::unique_ptr<LiteralExpression>(MakeLiteralRaw(literal));
+}
+
+class DebuggableExpression : public Expression
+{
+public:
+ DebuggableExpression(DebugInfo debugInfo = DebugInfo())
+ : m_DebugInfo(std::move(debugInfo))
+ { }
+
+protected:
+ const DebugInfo& GetDebugInfo() const final;
+
+ DebugInfo m_DebugInfo;
+};
+
+class UnaryExpression : public DebuggableExpression
+{
+public:
+ UnaryExpression(std::unique_ptr<Expression> operand, const DebugInfo& debugInfo = DebugInfo())
+ : DebuggableExpression(debugInfo), m_Operand(std::move(operand))
+ { }
+
+protected:
+ std::unique_ptr<Expression> m_Operand;
+};
+
+class BinaryExpression : public DebuggableExpression
+{
+public:
+ BinaryExpression(std::unique_ptr<Expression> operand1, std::unique_ptr<Expression> operand2, const DebugInfo& debugInfo = DebugInfo())
+ : DebuggableExpression(debugInfo), m_Operand1(std::move(operand1)), m_Operand2(std::move(operand2))
+ { }
+
+ inline const std::unique_ptr<Expression>& GetOperand1() const noexcept
+ {
+ return m_Operand1;
+ }
+
+ inline const std::unique_ptr<Expression>& GetOperand2() const noexcept
+ {
+ return m_Operand2;
+ }
+
+protected:
+ std::unique_ptr<Expression> m_Operand1;
+ std::unique_ptr<Expression> m_Operand2;
+};
+
+class VariableExpression final : public DebuggableExpression
+{
+public:
+ VariableExpression(String variable, std::vector<Expression::Ptr> imports, const DebugInfo& debugInfo = DebugInfo());
+
+ inline const String& GetVariable() const
+ {
+ return m_Variable;
+ }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+ bool GetReference(ScriptFrame& frame, bool init_dict, Value *parent, String *index, DebugHint **dhint) const override;
+
+private:
+ String m_Variable;
+ std::vector<Expression::Ptr> m_Imports;
+
+ friend void BindToScope(std::unique_ptr<Expression>& expr, ScopeSpecifier scopeSpec);
+};
+
+class DerefExpression final : public UnaryExpression
+{
+public:
+ DerefExpression(std::unique_ptr<Expression> operand, const DebugInfo& debugInfo = DebugInfo())
+ : UnaryExpression(std::move(operand), debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+ bool GetReference(ScriptFrame& frame, bool init_dict, Value *parent, String *index, DebugHint **dhint) const override;
+};
+
+class RefExpression final : public UnaryExpression
+{
+public:
+ RefExpression(std::unique_ptr<Expression> operand, const DebugInfo& debugInfo = DebugInfo())
+ : UnaryExpression(std::move(operand), debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class NegateExpression final : public UnaryExpression
+{
+public:
+ NegateExpression(std::unique_ptr<Expression> operand, const DebugInfo& debugInfo = DebugInfo())
+ : UnaryExpression(std::move(operand), debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class LogicalNegateExpression final : public UnaryExpression
+{
+public:
+ LogicalNegateExpression(std::unique_ptr<Expression> operand, const DebugInfo& debugInfo = DebugInfo())
+ : UnaryExpression(std::move(operand), debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class AddExpression final : public BinaryExpression
+{
+public:
+ AddExpression(std::unique_ptr<Expression> operand1, std::unique_ptr<Expression> operand2, const DebugInfo& debugInfo = DebugInfo())
+ : BinaryExpression(std::move(operand1), std::move(operand2), debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class SubtractExpression final : public BinaryExpression
+{
+public:
+ SubtractExpression(std::unique_ptr<Expression> operand1, std::unique_ptr<Expression> operand2, const DebugInfo& debugInfo = DebugInfo())
+ : BinaryExpression(std::move(operand1), std::move(operand2), debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class MultiplyExpression final : public BinaryExpression
+{
+public:
+ MultiplyExpression(std::unique_ptr<Expression> operand1, std::unique_ptr<Expression> operand2, const DebugInfo& debugInfo = DebugInfo())
+ : BinaryExpression(std::move(operand1), std::move(operand2), debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class DivideExpression final : public BinaryExpression
+{
+public:
+ DivideExpression(std::unique_ptr<Expression> operand1, std::unique_ptr<Expression> operand2, const DebugInfo& debugInfo = DebugInfo())
+ : BinaryExpression(std::move(operand1), std::move(operand2), debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class ModuloExpression final : public BinaryExpression
+{
+public:
+ ModuloExpression(std::unique_ptr<Expression> operand1, std::unique_ptr<Expression> operand2, const DebugInfo& debugInfo = DebugInfo())
+ : BinaryExpression(std::move(operand1), std::move(operand2), debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class XorExpression final : public BinaryExpression
+{
+public:
+ XorExpression(std::unique_ptr<Expression> operand1, std::unique_ptr<Expression> operand2, const DebugInfo& debugInfo = DebugInfo())
+ : BinaryExpression(std::move(operand1), std::move(operand2), debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class BinaryAndExpression final : public BinaryExpression
+{
+public:
+ BinaryAndExpression(std::unique_ptr<Expression> operand1, std::unique_ptr<Expression> operand2, const DebugInfo& debugInfo = DebugInfo())
+ : BinaryExpression(std::move(operand1), std::move(operand2), debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class BinaryOrExpression final : public BinaryExpression
+{
+public:
+ BinaryOrExpression(std::unique_ptr<Expression> operand1, std::unique_ptr<Expression> operand2, const DebugInfo& debugInfo = DebugInfo())
+ : BinaryExpression(std::move(operand1), std::move(operand2), debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class ShiftLeftExpression final : public BinaryExpression
+{
+public:
+ ShiftLeftExpression(std::unique_ptr<Expression> operand1, std::unique_ptr<Expression> operand2, const DebugInfo& debugInfo = DebugInfo())
+ : BinaryExpression(std::move(operand1), std::move(operand2), debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class ShiftRightExpression final : public BinaryExpression
+{
+public:
+ ShiftRightExpression(std::unique_ptr<Expression> operand1, std::unique_ptr<Expression> operand2, const DebugInfo& debugInfo = DebugInfo())
+ : BinaryExpression(std::move(operand1), std::move(operand2), debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class EqualExpression final : public BinaryExpression
+{
+public:
+ EqualExpression(std::unique_ptr<Expression> operand1, std::unique_ptr<Expression> operand2, const DebugInfo& debugInfo = DebugInfo())
+ : BinaryExpression(std::move(operand1), std::move(operand2), debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class NotEqualExpression final : public BinaryExpression
+{
+public:
+ NotEqualExpression(std::unique_ptr<Expression> operand1, std::unique_ptr<Expression> operand2, const DebugInfo& debugInfo = DebugInfo())
+ : BinaryExpression(std::move(operand1), std::move(operand2), debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class LessThanExpression final : public BinaryExpression
+{
+public:
+ LessThanExpression(std::unique_ptr<Expression> operand1, std::unique_ptr<Expression> operand2, const DebugInfo& debugInfo = DebugInfo())
+ : BinaryExpression(std::move(operand1), std::move(operand2), debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class GreaterThanExpression final : public BinaryExpression
+{
+public:
+ GreaterThanExpression(std::unique_ptr<Expression> operand1, std::unique_ptr<Expression> operand2, const DebugInfo& debugInfo = DebugInfo())
+ : BinaryExpression(std::move(operand1), std::move(operand2), debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class LessThanOrEqualExpression final : public BinaryExpression
+{
+public:
+ LessThanOrEqualExpression(std::unique_ptr<Expression> operand1, std::unique_ptr<Expression> operand2, const DebugInfo& debugInfo = DebugInfo())
+ : BinaryExpression(std::move(operand1), std::move(operand2), debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class GreaterThanOrEqualExpression final : public BinaryExpression
+{
+public:
+ GreaterThanOrEqualExpression(std::unique_ptr<Expression> operand1, std::unique_ptr<Expression> operand2, const DebugInfo& debugInfo = DebugInfo())
+ : BinaryExpression(std::move(operand1), std::move(operand2), debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class InExpression final : public BinaryExpression
+{
+public:
+ InExpression(std::unique_ptr<Expression> operand1, std::unique_ptr<Expression> operand2, const DebugInfo& debugInfo = DebugInfo())
+ : BinaryExpression(std::move(operand1), std::move(operand2), debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class NotInExpression final : public BinaryExpression
+{
+public:
+ NotInExpression(std::unique_ptr<Expression> operand1, std::unique_ptr<Expression> operand2, const DebugInfo& debugInfo = DebugInfo())
+ : BinaryExpression(std::move(operand1), std::move(operand2), debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class LogicalAndExpression final : public BinaryExpression
+{
+public:
+ LogicalAndExpression(std::unique_ptr<Expression> operand1, std::unique_ptr<Expression> operand2, const DebugInfo& debugInfo = DebugInfo())
+ : BinaryExpression(std::move(operand1), std::move(operand2), debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class LogicalOrExpression final : public BinaryExpression
+{
+public:
+ LogicalOrExpression(std::unique_ptr<Expression> operand1, std::unique_ptr<Expression> operand2, const DebugInfo& debugInfo = DebugInfo())
+ : BinaryExpression(std::move(operand1), std::move(operand2), debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class FunctionCallExpression final : public DebuggableExpression
+{
+public:
+ FunctionCallExpression(std::unique_ptr<Expression> fname, std::vector<std::unique_ptr<Expression> >&& args, const DebugInfo& debugInfo = DebugInfo())
+ : DebuggableExpression(debugInfo), m_FName(std::move(fname)), m_Args(std::move(args))
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+
+public:
+ std::unique_ptr<Expression> m_FName;
+ std::vector<std::unique_ptr<Expression> > m_Args;
+};
+
+class ArrayExpression final : public DebuggableExpression
+{
+public:
+ ArrayExpression(std::vector<std::unique_ptr<Expression > >&& expressions, const DebugInfo& debugInfo = DebugInfo())
+ : DebuggableExpression(debugInfo), m_Expressions(std::move(expressions))
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+
+private:
+ std::vector<std::unique_ptr<Expression> > m_Expressions;
+};
+
+class DictExpression final : public DebuggableExpression
+{
+public:
+ DictExpression(std::vector<std::unique_ptr<Expression> >&& expressions = {}, const DebugInfo& debugInfo = DebugInfo())
+ : DebuggableExpression(debugInfo), m_Expressions(std::move(expressions))
+ { }
+
+ void MakeInline();
+
+ inline const std::vector<std::unique_ptr<Expression>>& GetExpressions() const noexcept
+ {
+ return m_Expressions;
+ }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+
+private:
+ std::vector<std::unique_ptr<Expression> > m_Expressions;
+ bool m_Inline{false};
+
+ friend void BindToScope(std::unique_ptr<Expression>& expr, ScopeSpecifier scopeSpec);
+};
+
+class SetConstExpression final : public UnaryExpression
+{
+public:
+ SetConstExpression(const String& name, std::unique_ptr<Expression> operand, const DebugInfo& debugInfo = DebugInfo())
+ : UnaryExpression(std::move(operand), debugInfo), m_Name(name)
+ { }
+
+protected:
+ String m_Name;
+
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class SetExpression final : public BinaryExpression
+{
+public:
+ SetExpression(std::unique_ptr<Expression> operand1, CombinedSetOp op, std::unique_ptr<Expression> operand2, const DebugInfo& debugInfo = DebugInfo())
+ : BinaryExpression(std::move(operand1), std::move(operand2), debugInfo), m_Op(op)
+ { }
+
+ void SetOverrideFrozen();
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+
+private:
+ CombinedSetOp m_Op;
+ bool m_OverrideFrozen{false};
+
+ friend void BindToScope(std::unique_ptr<Expression>& expr, ScopeSpecifier scopeSpec);
+};
+
+class ConditionalExpression final : public DebuggableExpression
+{
+public:
+ ConditionalExpression(std::unique_ptr<Expression> condition, std::unique_ptr<Expression> true_branch, std::unique_ptr<Expression> false_branch, const DebugInfo& debugInfo = DebugInfo())
+ : DebuggableExpression(debugInfo), m_Condition(std::move(condition)), m_TrueBranch(std::move(true_branch)), m_FalseBranch(std::move(false_branch))
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+
+private:
+ std::unique_ptr<Expression> m_Condition;
+ std::unique_ptr<Expression> m_TrueBranch;
+ std::unique_ptr<Expression> m_FalseBranch;
+};
+
+class WhileExpression final : public DebuggableExpression
+{
+public:
+ WhileExpression(std::unique_ptr<Expression> condition, std::unique_ptr<Expression> loop_body, const DebugInfo& debugInfo = DebugInfo())
+ : DebuggableExpression(debugInfo), m_Condition(std::move(condition)), m_LoopBody(std::move(loop_body))
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+
+private:
+ std::unique_ptr<Expression> m_Condition;
+ std::unique_ptr<Expression> m_LoopBody;
+};
+
+
+class ReturnExpression final : public UnaryExpression
+{
+public:
+ ReturnExpression(std::unique_ptr<Expression> expression, const DebugInfo& debugInfo = DebugInfo())
+ : UnaryExpression(std::move(expression), debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class BreakExpression final : public DebuggableExpression
+{
+public:
+ BreakExpression(const DebugInfo& debugInfo = DebugInfo())
+ : DebuggableExpression(debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class ContinueExpression final : public DebuggableExpression
+{
+public:
+ ContinueExpression(const DebugInfo& debugInfo = DebugInfo())
+ : DebuggableExpression(debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class GetScopeExpression final : public Expression
+{
+public:
+ GetScopeExpression(ScopeSpecifier scopeSpec)
+ : m_ScopeSpec(scopeSpec)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+
+private:
+ ScopeSpecifier m_ScopeSpec;
+};
+
+class IndexerExpression final : public BinaryExpression
+{
+public:
+ IndexerExpression(std::unique_ptr<Expression> operand1, std::unique_ptr<Expression> operand2, const DebugInfo& debugInfo = DebugInfo())
+ : BinaryExpression(std::move(operand1), std::move(operand2), debugInfo)
+ { }
+
+ void SetOverrideFrozen();
+
+protected:
+ bool m_OverrideFrozen{false};
+
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+ bool GetReference(ScriptFrame& frame, bool init_dict, Value *parent, String *index, DebugHint **dhint) const override;
+
+ friend void BindToScope(std::unique_ptr<Expression>& expr, ScopeSpecifier scopeSpec);
+};
+
+void BindToScope(std::unique_ptr<Expression>& expr, ScopeSpecifier scopeSpec);
+
+class ThrowExpression final : public DebuggableExpression
+{
+public:
+ ThrowExpression(std::unique_ptr<Expression> message, bool incompleteExpr, const DebugInfo& debugInfo = DebugInfo())
+ : DebuggableExpression(debugInfo), m_Message(std::move(message)), m_IncompleteExpr(incompleteExpr)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+
+private:
+ std::unique_ptr<Expression> m_Message;
+ bool m_IncompleteExpr;
+};
+
+class ImportExpression final : public DebuggableExpression
+{
+public:
+ ImportExpression(std::unique_ptr<Expression> name, const DebugInfo& debugInfo = DebugInfo())
+ : DebuggableExpression(debugInfo), m_Name(std::move(name))
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+
+private:
+ std::unique_ptr<Expression> m_Name;
+};
+
+class ImportDefaultTemplatesExpression final : public DebuggableExpression
+{
+public:
+ ImportDefaultTemplatesExpression(const DebugInfo& debugInfo = DebugInfo())
+ : DebuggableExpression(debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class FunctionExpression final : public DebuggableExpression
+{
+public:
+ FunctionExpression(String name, std::vector<String> args,
+ std::map<String, std::unique_ptr<Expression> >&& closedVars, std::unique_ptr<Expression> expression, const DebugInfo& debugInfo = DebugInfo())
+ : DebuggableExpression(debugInfo), m_Name(std::move(name)), m_Args(std::move(args)), m_ClosedVars(std::move(closedVars)), m_Expression(expression.release())
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+
+private:
+ String m_Name;
+ std::vector<String> m_Args;
+ std::map<String, std::unique_ptr<Expression> > m_ClosedVars;
+ Expression::Ptr m_Expression;
+};
+
+class ApplyExpression final : public DebuggableExpression
+{
+public:
+ ApplyExpression(String type, String target, std::unique_ptr<Expression> name,
+ std::unique_ptr<Expression> filter, String package, String fkvar, String fvvar,
+ std::unique_ptr<Expression> fterm, std::map<String, std::unique_ptr<Expression> >&& closedVars, bool ignoreOnError,
+ std::unique_ptr<Expression> expression, const DebugInfo& debugInfo = DebugInfo())
+ : DebuggableExpression(debugInfo), m_Type(std::move(type)), m_Target(std::move(target)),
+ m_Name(std::move(name)), m_Filter(filter.release()), m_Package(std::move(package)), m_FKVar(std::move(fkvar)), m_FVVar(std::move(fvvar)),
+ m_FTerm(fterm.release()), m_IgnoreOnError(ignoreOnError), m_ClosedVars(std::move(closedVars)),
+ m_Expression(expression.release())
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+
+private:
+ String m_Type;
+ String m_Target;
+ std::unique_ptr<Expression> m_Name;
+ Expression::Ptr m_Filter;
+ String m_Package;
+ String m_FKVar;
+ String m_FVVar;
+ Expression::Ptr m_FTerm;
+ bool m_IgnoreOnError;
+ std::map<String, std::unique_ptr<Expression> > m_ClosedVars;
+ Expression::Ptr m_Expression;
+};
+
+class NamespaceExpression final : public DebuggableExpression
+{
+public:
+ NamespaceExpression(std::unique_ptr<Expression> expression, const DebugInfo& debugInfo = DebugInfo())
+ : DebuggableExpression(debugInfo), m_Expression(expression.release())
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+
+private:
+ Expression::Ptr m_Expression;
+};
+
+class ObjectExpression final : public DebuggableExpression
+{
+public:
+ ObjectExpression(bool abstract, std::unique_ptr<Expression> type, std::unique_ptr<Expression> name, std::unique_ptr<Expression> filter,
+ String zone, String package, std::map<String, std::unique_ptr<Expression> >&& closedVars,
+ bool defaultTmpl, bool ignoreOnError, std::unique_ptr<Expression> expression, const DebugInfo& debugInfo = DebugInfo())
+ : DebuggableExpression(debugInfo), m_Abstract(abstract), m_Type(std::move(type)),
+ m_Name(std::move(name)), m_Filter(filter.release()), m_Zone(std::move(zone)), m_Package(std::move(package)), m_DefaultTmpl(defaultTmpl),
+ m_IgnoreOnError(ignoreOnError), m_ClosedVars(std::move(closedVars)), m_Expression(expression.release())
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+
+private:
+ bool m_Abstract;
+ std::unique_ptr<Expression> m_Type;
+ std::unique_ptr<Expression> m_Name;
+ Expression::Ptr m_Filter;
+ String m_Zone;
+ String m_Package;
+ bool m_DefaultTmpl;
+ bool m_IgnoreOnError;
+ std::map<String, std::unique_ptr<Expression> > m_ClosedVars;
+ Expression::Ptr m_Expression;
+};
+
+class ForExpression final : public DebuggableExpression
+{
+public:
+ ForExpression(String fkvar, String fvvar, std::unique_ptr<Expression> value, std::unique_ptr<Expression> expression, const DebugInfo& debugInfo = DebugInfo())
+ : DebuggableExpression(debugInfo), m_FKVar(std::move(fkvar)), m_FVVar(std::move(fvvar)), m_Value(std::move(value)), m_Expression(std::move(expression))
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+
+private:
+ String m_FKVar;
+ String m_FVVar;
+ std::unique_ptr<Expression> m_Value;
+ std::unique_ptr<Expression> m_Expression;
+};
+
+class LibraryExpression final : public UnaryExpression
+{
+public:
+ LibraryExpression(std::unique_ptr<Expression> expression, const DebugInfo& debugInfo = DebugInfo())
+ : UnaryExpression(std::move(expression), debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+enum IncludeType
+{
+ IncludeRegular,
+ IncludeRecursive,
+ IncludeZones
+};
+
+class IncludeExpression final : public DebuggableExpression
+{
+public:
+ IncludeExpression(String relativeBase, std::unique_ptr<Expression> path, std::unique_ptr<Expression> pattern, std::unique_ptr<Expression> name,
+ IncludeType type, bool searchIncludes, String zone, String package, const DebugInfo& debugInfo = DebugInfo())
+ : DebuggableExpression(debugInfo), m_RelativeBase(std::move(relativeBase)), m_Path(std::move(path)), m_Pattern(std::move(pattern)),
+ m_Name(std::move(name)), m_Type(type), m_SearchIncludes(searchIncludes), m_Zone(std::move(zone)), m_Package(std::move(package))
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+
+private:
+ String m_RelativeBase;
+ std::unique_ptr<Expression> m_Path;
+ std::unique_ptr<Expression> m_Pattern;
+ std::unique_ptr<Expression> m_Name;
+ IncludeType m_Type;
+ bool m_SearchIncludes;
+ String m_Zone;
+ String m_Package;
+};
+
+class BreakpointExpression final : public DebuggableExpression
+{
+public:
+ BreakpointExpression(const DebugInfo& debugInfo = DebugInfo())
+ : DebuggableExpression(debugInfo)
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+};
+
+class TryExceptExpression final : public DebuggableExpression
+{
+public:
+ TryExceptExpression(std::unique_ptr<Expression> tryBody, std::unique_ptr<Expression> exceptBody, const DebugInfo& debugInfo = DebugInfo())
+ : DebuggableExpression(debugInfo), m_TryBody(std::move(tryBody)), m_ExceptBody(std::move(exceptBody))
+ { }
+
+protected:
+ ExpressionResult DoEvaluate(ScriptFrame& frame, DebugHint *dhint) const override;
+
+private:
+ std::unique_ptr<Expression> m_TryBody;
+ std::unique_ptr<Expression> m_ExceptBody;
+};
+
+}
+
+#endif /* EXPRESSION_H */
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-07 16:24:05 +0000