/*- * Copyright (c) 1980, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)sym.h 8.1 (Berkeley) 6/6/93 */ /* * This header file declares the variables and routines that * are defined within the "sym" subdirectory and that can be * accessed from outside. */ SYM *program; /* * attributes */ char *name(); /* symbol string name */ char *classname(); /* class name of a symbol */ int toknum(); /* token number of reserved word */ int tokval(); /* associated token value */ int size(); /* size in bytes of a type */ SYM *rtype(); /* the reduced type, i.e. no type names */ SYM *container(); /* symbol (block) that contains given symbol */ ADDRESS codeloc(); /* address of the beginning of a function */ /* * predicates */ BOOLEAN isblock(); /* test if a symbol is a block name */ BOOLEAN isbuiltin(); /* test if a symbol is a builtin type */ BOOLEAN isparam(); /* test if a symbol is a parameter */ BOOLEAN isvarparam(); /* test if a symbol is a var parameter */ BOOLEAN isvariable(); /* test if a symbol is a variable */ BOOLEAN isambiguous(); /* test if a symbol name is not unique */ BOOLEAN compatible(); /* test to see if two types are compatible */ BOOLEAN should_print(); /* test if a symbol should be printed */ SYM *readsym(); /* read in a symbol from object file */ SYM *which(); /* find the appropriate symbol of given name */ SYM *findsym(); /* find a symbol for a given block */ SYM *findclass(); /* find symbol with given class */ NODE *dot(); /* construct a tree for the dot operator */ NODE *subscript(); /* construct a tree for subscripting */ SYM *treetype(); /* return the type of a tree, checking also */ long evalindex(); /* evaluate a subscript index */ int unmkstring(); /* free a constant string type */ int chkboolean(); /* check if a tree is boolean-valued */ int printdecl(); /* print out a symbol's declaration */ int printparams(); /* print out values of a fn's parameters */ int printentry(); /* note entrance of a block */ int printexit(); /* note exiting from a block */ int printcall(); /* note call of a function */ int printval(); /* print an eval result */ int printv(); /* print the name and value of a variable */ int printwhich(); /* print the full "path" of an identifier */ int maketypes(); /* initialize basic types */ int make_keyword(); /* create a keyword in a given symbol table */