60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
/*
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operandBody_6502.h -- Define parser tree types for 6502 operands.
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Chip Morningstar -- Lucasfilm Ltd.
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18-April-1985
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*/
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typedef stringType stringOperandBodyType;
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typedef expressionType xIndexedOperandBodyType;
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typedef expressionType yIndexedOperandBodyType;
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typedef expressionType preIndexedXOperandBodyType;
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typedef expressionType postIndexedYOperandBodyType;
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typedef nullType yRegisterOperandBodyType;
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typedef nullType xRegisterOperandBodyType;
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typedef nullType aRegisterOperandBodyType;
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typedef expressionType immediateOperandBodyType;
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typedef expressionType indirectOperandBodyType;
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typedef expressionType expressionOperandBodyType;
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typedef BlockType blockOperandBodyType;
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typedef selectionListType xSelectedOperandBodyType;
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typedef selectionListType ySelectedOperandBodyType;
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typedef selectionListType preSelectedOperandBodyType;
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#define BlockOperandBodyType anyOldThing /* kludge */
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/* doing above right confuses compiler as it is a forward reference inside
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yon union: */
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typedef union {
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expressionOperandBodyType *expressionUnion;
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immediateOperandBodyType *immediateUnion;
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indirectOperandBodyType *indirectUnion;
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aRegisterOperandBodyType *aRegisterUnion;
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xRegisterOperandBodyType *xRegisterUnion;
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yRegisterOperandBodyType *yRegisterUnion;
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postIndexedYOperandBodyType *postIndexedYUnion;
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preIndexedXOperandBodyType *preIndexedXUnion;
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xIndexedOperandBodyType *xIndexedUnion;
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yIndexedOperandBodyType *yIndexedUnion;
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xSelectedOperandBodyType *xSelectedUnion;
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ySelectedOperandBodyType *ySelectedUnion;
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preSelectedOperandBodyType *preSelectedUnion;
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stringOperandBodyType *stringUnion;
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BlockOperandBodyType *blockUnion;
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} operandBodyType;
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