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Use methods for RPN Expression (#1372)

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This commit is contained in:
Sylvie
2024-03-22 04:41:04 -04:00
committed by GitHub
parent de667c8afb
commit dd43723e20
4 changed files with 397 additions and 446 deletions
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74
include/asm/rpn.hpp
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@@ -12,16 +12,12 @@
struct Symbol;
struct Expression {
int32_t val; // If the expression's value is known, it's here
std::string reason; // Why the expression is not known, if it isn't
bool isKnown; // Whether the expression's value is known at assembly time
bool isSymbol; // Whether the expression represents a symbol suitable for const diffing
std::vector<uint8_t> rpn; // Bytes serializing the RPN expression
uint32_t rpnPatchSize; // Size the expression will take in the object file
int32_t getConstVal() const;
Symbol const *symbolOf() const;
bool isDiffConstant(Symbol const *symName) const;
int32_t val = 0; // If the expression's value is known, it's here
std::string reason{}; // Why the expression is not known, if it isn't
bool isKnown = true; // Whether the expression's value is known at assembly time
bool isSymbol = false; // Whether the expression represents a symbol suitable for const diffing
std::vector<uint8_t> rpn{}; // Bytes serializing the RPN expression
uint32_t rpnPatchSize = 0; // Size the expression will take in the object file
Expression() = default;
Expression(Expression &&) = default;
@@ -31,27 +27,43 @@ struct Expression {
#endif
Expression &operator=(Expression &&) = default;
int32_t getConstVal() const;
Symbol const *symbolOf() const;
bool isDiffConstant(Symbol const *symName) const;
void makeNumber(uint32_t value);
void makeSymbol(std::string const &symName);
void makeBankSymbol(std::string const &symName);
void makeBankSection(std::string const &sectName);
void makeSizeOfSection(std::string const &sectName);
void makeStartOfSection(std::string const &sectName);
void makeSizeOfSectionType(SectionType type);
void makeStartOfSectionType(SectionType type);
void makeHigh();
void makeLow();
void makeNeg();
void makeNot();
void makeLogicNot();
void makeBinaryOp(RPNCommand op, Expression &&src1, Expression const &src2);
void makeCheckHRAM();
void makeCheckRST();
void checkNBit(uint8_t n) const;
private:
void clear();
uint8_t *reserveSpace(uint32_t size);
uint8_t *reserveSpace(uint32_t size, uint32_t patchSize);
// Makes an expression "not known", also setting its error message
template<typename... Ts>
void makeUnknown(Ts... parts) {
isKnown = false;
reason.clear();
(reason.append(parts), ...);
}
};
void rpn_Number(Expression &expr, uint32_t val);
void rpn_Symbol(Expression &expr, std::string const &symName);
void rpn_LOGNOT(Expression &expr, Expression &&src);
void rpn_BinaryOp(RPNCommand op, Expression &expr, Expression &&src1, Expression const &src2);
void rpn_HIGH(Expression &expr, Expression &&src);
void rpn_LOW(Expression &expr, Expression &&src);
void rpn_ISCONST(Expression &expr, Expression const &src);
void rpn_NEG(Expression &expr, Expression &&src);
void rpn_NOT(Expression &expr, Expression &&src);
void rpn_BankSymbol(Expression &expr, std::string const &symName);
void rpn_BankSection(Expression &expr, std::string const &sectionName);
void rpn_BankSelf(Expression &expr);
void rpn_SizeOfSection(Expression &expr, std::string const &sectionName);
void rpn_StartOfSection(Expression &expr, std::string const &sectionName);
void rpn_SizeOfSectionType(Expression &expr, SectionType type);
void rpn_StartOfSectionType(Expression &expr, SectionType type);
void rpn_CheckHRAM(Expression &expr);
void rpn_CheckRST(Expression &expr);
void rpn_CheckNBit(Expression const &expr, uint8_t n);
#endif // RGBDS_ASM_RPN_H