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Allow BANK() in constexpr expressions

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This commit is contained in:
ISSOtm
2019-12-07 23:43:02 +01:00
parent e4f4706508
commit b49e025703
3 changed files with 47 additions and 0 deletions
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37
src/asm/constexpr.c
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@@ -15,6 +15,7 @@
#include "asm/lexer.h"
#include "asm/main.h"
#include "asm/mymath.h"
#include "asm/output.h"
#include "asm/rpn.h"
#include "asm/symbol.h"
#include "asm/warning.h"
@@ -37,6 +38,42 @@ void constexpr_Symbol(struct ConstExpression *expr, char *tzSym)
}
}
void constexpr_BankSymbol(struct ConstExpression *expr, char *tzSym)
{
if (sym_FindSymbol(tzSym) == pPCSymbol) {
if (pCurrentSection->nBank == -1)
yyerror("%s's bank is not known yet", tzSym);
else
constexpr_Number(expr, pCurrentSection->nBank);
return;
}
if (sym_isConstant(tzSym)) {
yyerror("BANK argument must be a relocatable identifier");
} else {
struct sSymbol *pSymbol = sym_FindSymbol(tzSym);
if (!pSymbol)
yyerror("BANK argument doesn't exist");
else if (!pSymbol->pSection || pSymbol->pSection->nBank == -1)
yyerror("BANK argument must be a relocatable identifier");
else
constexpr_Number(expr, pSymbol->pSection->nBank);
}
}
void constexpr_BankSection(struct ConstExpression *expr, char *tzSectionName)
{
struct Section *pSection = out_FindSectionByName(tzSectionName);
if (!pSection)
yyerror("Section \"%s\" doesn't exist");
else if (pSection->nBank == -1)
yyerror("Section \"%s\"'s bank is not known yet");
else
constexpr_Number(expr, pSection->nBank);
}
void constexpr_Number(struct ConstExpression *expr, int32_t i)
{
expr->u.nVal = i;