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https://github.com/open-goal/jak-project
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water111
b59e33c005
* before inserting bonus instruction * first part of refactor for return values * find parent method working
39 lines
1.3 KiB
C++
39 lines
1.3 KiB
C++
#pragma once
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#include <optional>
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#include "decompiler/Disasm/Register.h"
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#include "decompiler/IR2/AtomicOp.h"
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namespace decompiler {
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class Form;
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/*!
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* A FormStack is used to track partial expressions when rebuilding the tree structure of
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* GOAL code. Linear sequences of operations are added onto the expression stack.
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*/
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class FormStack {
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public:
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FormStack() = default;
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void push_value_to_reg(Variable var, Form* value, bool sequence_point);
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void push_form_element(FormElement* elt, bool sequence_point);
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Form* pop_reg(const Variable& var);
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Form* pop_reg(Register reg);
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bool is_single_expression();
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std::vector<FormElement*> rewrite(FormPool& pool);
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std::vector<FormElement*> rewrite_to_get_var(FormPool& pool, const Variable& var, const Env& env);
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std::string print(const Env& env);
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private:
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struct StackEntry {
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bool active = true; // should this appear in the output?
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std::optional<Variable> destination; // what register we are setting (or nullopt if no dest.)
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Form* source = nullptr; // the value we are setting the register to.
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FormElement* elt = nullptr;
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bool sequence_point = false;
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TP_Type type;
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std::string print(const Env& env) const;
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};
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std::vector<StackEntry> m_stack;
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};
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} // namespace decompiler
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