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Cleanup the RPN evaluator somewhat

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Make the bool field an actual bool
Rename `iReloc` to a more exact `isKnown` (as was already pointed out by some
comments)
Make the value of `BANK(symbol)` consistent when the argument is invalid
This commit is contained in:
ISSOtm
2020-01-20 14:04:14 +01:00
parent 0a04904b75
commit cc59730c5b
4 changed files with 44 additions and 46 deletions
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5
include/asm/rpn.h
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@@ -10,6 +10,7 @@
#define RGBDS_ASM_RPN_H
#include <stdint.h>
#include <stdbool.h>
#include "linkdefs.h"
@@ -22,13 +23,13 @@ struct Expression {
uint32_t nRPNLength;
uint32_t nRPNPatchSize;
uint32_t nRPNOut;
uint32_t isReloc;
bool isKnown;
};
/* FIXME: Should be defined in `asmy.h`, but impossible with POSIX Yacc */
extern int32_t nPCOffset;
uint32_t rpn_isReloc(const struct Expression *expr);
bool rpn_isKnown(const struct Expression *expr);
void rpn_Symbol(struct Expression *expr, char *tzSym);
void rpn_Number(struct Expression *expr, uint32_t i);
void rpn_LOGNOT(struct Expression *expr, const struct Expression *src);