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#ifndef lint |
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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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|
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/* ==================================================================== |
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* The Radiance Software License, Version 1.0 |
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* |
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* Copyright (c) 1990 - 2002 The Regents of the University of California, |
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* through Lawrence Berkeley National Laboratory. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. The end-user documentation included with the redistribution, |
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* if any, must include the following acknowledgment: |
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* "This product includes Radiance software |
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* (http://radsite.lbl.gov/) |
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* developed by the Lawrence Berkeley National Laboratory |
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* (http://www.lbl.gov/)." |
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* Alternately, this acknowledgment may appear in the software itself, |
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* if and wherever such third-party acknowledgments normally appear. |
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* |
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* 4. The names "Radiance," "Lawrence Berkeley National Laboratory" |
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* and "The Regents of the University of California" must |
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* not be used to endorse or promote products derived from this |
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* software without prior written permission. For written |
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* permission, please contact [email protected]. |
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* |
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* 5. Products derived from this software may not be called "Radiance", |
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* nor may "Radiance" appear in their name, without prior written |
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* permission of Lawrence Berkeley National Laboratory. |
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* |
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This software consists of voluntary contributions made by many |
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* individuals on behalf of Lawrence Berkeley National Laboratory. For more |
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* information on Lawrence Berkeley National Laboratory, please see |
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* <http://www.lbl.gov/>. |
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*/ |
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|
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#include <stdio.h> |
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|
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#include "calcomp.h" |
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|
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|
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void |
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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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{ |
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static EPNODE *curdef = NULL; |
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register EPNODE *ep1; |
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|
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switch (ep->type) { |
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|
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case VAR: |
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fputs(ep->v.ln->name, fp); |
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break; |
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|
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case SYM: |
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fputs(ep->v.name, fp); |
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break; |
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|
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case FUNC: |
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eprint(ep->v.kid, 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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fputc(')', fp); |
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break; |
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|
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case ARG: |
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if (curdef == NULL || curdef->v.kid->type != FUNC || |
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(ep1 = ekid(curdef->v.kid, ep->v.chan)) == NULL) { |
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eputs("Bad argument!\n"); |
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quit(1); |
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} |
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eprint(ep1, fp); |
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break; |
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|
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case NUM: |
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fprintf(fp, "%.9g", ep->v.num); |
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break; |
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|
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case UMINUS: |
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fputc('-', fp); |
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eprint(ep->v.kid, fp); |
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break; |
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|
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case CHAN: |
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fprintf(fp, "$%d", ep->v.chan); |
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break; |
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|
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case '=': |
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case ':': |
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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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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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|
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case '+': |
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case '-': |
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case '*': |
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case '/': |
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case '^': |
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fputc('(', fp); |
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eprint(ep->v.kid, 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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fputc(')', fp); |
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break; |
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|
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default: |
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eputs("Bad expression!\n"); |
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quit(1); |
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|
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} |
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|
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} |
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|
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|
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void |
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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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{ |
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register EPNODE *ep; |
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|
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if (name == NULL) |
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for (ep = dfirst(); ep != NULL; ep = dnext()) { |
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eprint(ep, fp); |
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fputs(";\n", fp); |
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} |
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else if ((ep = dlookup(name)) != NULL) { |
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eprint(ep, fp); |
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fputs(";\n", fp); |
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} else { |
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wputs(name); |
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wputs(": undefined\n"); |
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} |
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} |