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0a04904b75
This mirrors what the constexpr evaluator is doing, and removes a lot of code shared between all of them
52 lines
1.6 KiB
C
52 lines
1.6 KiB
C
/*
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* This file is part of RGBDS.
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*
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* Copyright (c) 1997-2018, Carsten Sorensen and RGBDS contributors.
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*
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* SPDX-License-Identifier: MIT
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*/
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#ifndef RGBDS_ASM_RPN_H
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#define RGBDS_ASM_RPN_H
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#include <stdint.h>
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#include "linkdefs.h"
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#define MAXRPNLEN 1048576
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struct Expression {
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int32_t nVal;
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uint8_t *tRPN;
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uint32_t nRPNCapacity;
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uint32_t nRPNLength;
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uint32_t nRPNPatchSize;
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uint32_t nRPNOut;
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uint32_t isReloc;
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};
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/* FIXME: Should be defined in `asmy.h`, but impossible with POSIX Yacc */
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extern int32_t nPCOffset;
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uint32_t rpn_isReloc(const struct Expression *expr);
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void rpn_Symbol(struct Expression *expr, char *tzSym);
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void rpn_Number(struct Expression *expr, uint32_t i);
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void rpn_LOGNOT(struct Expression *expr, const struct Expression *src);
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void rpn_BinaryOp(enum RPNCommand op, struct Expression *expr,
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const struct Expression *src1,
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const struct Expression *src2);
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void rpn_HIGH(struct Expression *expr, const struct Expression *src);
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void rpn_LOW(struct Expression *expr, const struct Expression *src);
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void rpn_UNNEG(struct Expression *expr, const struct Expression *src);
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void rpn_UNNOT(struct Expression *expr, const struct Expression *src);
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uint16_t rpn_PopByte(struct Expression *expr);
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void rpn_BankSymbol(struct Expression *expr, char *tzSym);
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void rpn_BankSection(struct Expression *expr, char *tzSectionName);
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void rpn_BankSelf(struct Expression *expr);
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void rpn_Init(struct Expression *expr);
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void rpn_Free(struct Expression *expr);
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void rpn_CheckHRAM(struct Expression *expr, const struct Expression *src);
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void rpn_CheckRST(struct Expression *expr, const struct Expression *src);
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#endif /* RGBDS_ASM_RPN_H */
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