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1.1 ! root 1: /* ! 2: * Copyright (c) 1980 Regents of the University of California. ! 3: * All rights reserved. The Berkeley software License Agreement ! 4: * specifies the terms and conditions for redistribution. ! 5: * ! 6: * @(#)sym.h 5.1 (Berkeley) 6/6/85 ! 7: */ ! 8: ! 9: /* ! 10: * This header file declares the variables and routines that ! 11: * are defined within the "sym" subdirectory and that can be ! 12: * accessed from outside. ! 13: */ ! 14: ! 15: SYM *program; ! 16: ! 17: /* ! 18: * attributes ! 19: */ ! 20: ! 21: char *name(); /* symbol string name */ ! 22: char *classname(); /* class name of a symbol */ ! 23: int toknum(); /* token number of reserved word */ ! 24: int tokval(); /* associated token value */ ! 25: int size(); /* size in bytes of a type */ ! 26: SYM *rtype(); /* the reduced type, i.e. no type names */ ! 27: SYM *container(); /* symbol (block) that contains given symbol */ ! 28: ADDRESS codeloc(); /* address of the beginning of a function */ ! 29: ! 30: /* ! 31: * predicates ! 32: */ ! 33: ! 34: BOOLEAN isblock(); /* test if a symbol is a block name */ ! 35: BOOLEAN isbuiltin(); /* test if a symbol is a builtin type */ ! 36: BOOLEAN isparam(); /* test if a symbol is a parameter */ ! 37: BOOLEAN isvarparam(); /* test if a symbol is a var parameter */ ! 38: BOOLEAN isvariable(); /* test if a symbol is a variable */ ! 39: BOOLEAN isambiguous(); /* test if a symbol name is not unique */ ! 40: BOOLEAN compatible(); /* test to see if two types are compatible */ ! 41: BOOLEAN should_print(); /* test if a symbol should be printed */ ! 42: ! 43: SYM *readsym(); /* read in a symbol from object file */ ! 44: SYM *which(); /* find the appropriate symbol of given name */ ! 45: SYM *findsym(); /* find a symbol for a given block */ ! 46: SYM *findclass(); /* find symbol with given class */ ! 47: NODE *dot(); /* construct a tree for the dot operator */ ! 48: NODE *subscript(); /* construct a tree for subscripting */ ! 49: SYM *treetype(); /* return the type of a tree, checking also */ ! 50: evalindex(); /* evaluate a subscript index */ ! 51: unmkstring(); /* free a constant string type */ ! 52: chkboolean(); /* check if a tree is boolean-valued */ ! 53: printdecl(); /* print out a symbol's declaration */ ! 54: printparams(); /* print out values of a fn's parameters */ ! 55: printentry(); /* note entrance of a block */ ! 56: printexit(); /* note exiting from a block */ ! 57: printcall(); /* note call of a function */ ! 58: printval(); /* print an eval result */ ! 59: printv(); /* print the name and value of a variable */ ! 60: printwhich(); /* print the full "path" of an identifier */ ! 61: maketypes(); /* initialize basic types */ ! 62: make_keyword(); /* create a keyword in a given symbol table */
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