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https://github.com/N64Recomp/N64Recomp.git
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56 lines
2.5 KiB
C++
56 lines
2.5 KiB
C++
#ifndef __GENERATOR_H__
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#define __GENERATOR_H__
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#include "n64recomp.h"
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#include "operations.h"
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namespace N64Recomp {
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struct InstructionContext {
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int rd;
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int rs;
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int rt;
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int sa;
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int fd;
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int fs;
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int ft;
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int cop1_cs;
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uint16_t imm16;
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bool reloc_tag_as_reference;
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RelocType reloc_type;
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uint32_t reloc_section_index;
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uint32_t reloc_target_section_offset;
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};
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class Generator {
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public:
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virtual void process_binary_op(std::ostream& output_file, const BinaryOp& op, const InstructionContext& ctx) const = 0;
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virtual void process_unary_op(std::ostream& output_file, const UnaryOp& op, const InstructionContext& ctx) const = 0;
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virtual void process_store_op(std::ostream& output_file, const StoreOp& op, const InstructionContext& ctx) const = 0;
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virtual void emit_branch_condition(std::ostream& output_file, const ConditionalBranchOp& op, const InstructionContext& ctx) const = 0;
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virtual void emit_branch_close(std::ostream& output_file) const = 0;
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virtual void emit_check_fr(std::ostream& output_file, int fpr) const = 0;
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virtual void emit_check_nan(std::ostream& output_file, int fpr, bool is_double) const = 0;
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};
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class CGenerator final : Generator {
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public:
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CGenerator() = default;
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void process_binary_op(std::ostream& output_file, const BinaryOp& op, const InstructionContext& ctx) const final;
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void process_unary_op(std::ostream& output_file, const UnaryOp& op, const InstructionContext& ctx) const final;
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void process_store_op(std::ostream& output_file, const StoreOp& op, const InstructionContext& ctx) const final;
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void emit_branch_condition(std::ostream& output_file, const ConditionalBranchOp& op, const InstructionContext& ctx) const final;
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void emit_branch_close(std::ostream& output_file) const final;
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void emit_check_fr(std::ostream& output_file, int fpr) const final;
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void emit_check_nan(std::ostream& output_file, int fpr, bool is_double) const final;
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private:
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void get_operand_string(Operand operand, UnaryOpType operation, const InstructionContext& context, std::string& operand_string) const;
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void get_binary_expr_string(BinaryOpType type, const BinaryOperands& operands, const InstructionContext& ctx, const std::string& output, std::string& expr_string) const;
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void get_notation(BinaryOpType op_type, std::string& func_string, std::string& infix_string) const;
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};
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}
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#endif
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