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/* Copyright (c) 1991 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* calprint.c - routines for printing calcomp expressions. |
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* |
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* 1/29/87 |
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*/ |
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#include "copyright.h" |
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#include <stdio.h> |
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#include "rterror.h" |
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#include "calcomp.h" |
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eprint(ep, fp) /* print a parse tree */ |
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register EPNODE *ep; |
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FILE *fp; |
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void |
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eprint( /* print a parse tree */ |
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EPNODE *ep, |
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FILE *fp |
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) |
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{ |
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static EPNODE *curdef = NULL; |
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register EPNODE *ep1; |
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EPNODE *ep1 = NULL; |
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switch (ep->type) { |
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case FUNC: |
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eprint(ep->v.kid, fp); |
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fputs("(", fp); |
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fputc('(', fp); |
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ep1 = ep->v.kid->sibling; |
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while (ep1 != NULL) { |
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eprint(ep1, fp); |
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if ((ep1 = ep1->sibling) != NULL) |
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fputs(", ", fp); |
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} |
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fputs(")", fp); |
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fputc(')', fp); |
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break; |
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case ARG: |
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break; |
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case UMINUS: |
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if (ep->v.kid->type == UMINUS) { |
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fputs("-(", fp); |
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eprint(ep->v.kid, fp); |
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fputs(")", fp); |
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} else { |
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fputs("-", fp); |
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eprint(ep->v.kid, fp); |
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} |
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fputc('-', fp); |
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eprint(ep->v.kid, fp); |
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break; |
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case CHAN: |
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ep1 = curdef; |
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curdef = ep; |
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eprint(ep->v.kid, fp); |
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putc(' ', fp); |
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putc(ep->type, fp); |
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putc(' ', fp); |
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fputc(' ', fp); |
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fputc(ep->type, fp); |
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fputc(' ', fp); |
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eprint(ep->v.kid->sibling, fp); |
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curdef = ep1; |
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break; |
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case '*': |
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case '/': |
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case '^': |
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fputs("(", fp); |
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fputc('(', fp); |
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eprint(ep->v.kid, fp); |
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putc(' ', fp); |
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putc(ep->type, fp); |
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putc(' ', fp); |
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fputc(' ', fp); |
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fputc(ep->type, fp); |
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fputc(' ', fp); |
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eprint(ep->v.kid->sibling, fp); |
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fputs(")", fp); |
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fputc(')', fp); |
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break; |
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default: |
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} |
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dprint(name, fp) /* print a definition (all if no name) */ |
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char *name; |
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FILE *fp; |
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void |
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dprint( /* print a definition (all if no name) */ |
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char *name, |
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FILE *fp |
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) |
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{ |
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register EPNODE *ep; |
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EPNODE *ep; |
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if (name == NULL) |
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for (ep = dfirst(); ep != NULL; ep = dnext()) { |