32 lines
746 B
C
32 lines
746 B
C
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// Copyright (c) 1993-1999 Microsoft Corporation
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#include "y3.h"
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void
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hideprod( void )
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{
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/* in order to free up the mem and amem arrays for the optimizer,
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/* and still be able to output yyr1, etc., after the sizes of
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/* the action array is known, we hide the nonterminals
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/* derived by productions in levprd.
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*/
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register i, j;
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j = 0;
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levprd[0] = 0;
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PLOOP(1,i)
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{
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if( !(levprd[i] & REDFLAG) )
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{
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++j;
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if( foutput != NULL )
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{
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fprintf( foutput, "Rule not reduced: %s\n", writem( prdptr[i] ) );
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}
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}
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levprd[i] = *prdptr[i] - NTBASE;
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}
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if( j ) fprintf( stdout, "%d rules never reduced\n", j );
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}
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