projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 94a490d6 ML |
1 | /* Copyright (c) 1982 Regents of the University of California */ |
| 2 | ||
| 6d3dd70b | 3 | /* static char sccsid[] = "@(#)sym.h 1.3 %G%"; */ |
| 94a490d6 ML |
4 | |
| 5 | /* | |
| 6 | * This header file declares the variables and routines that | |
| 7 | * are defined within the "sym" subdirectory and that can be | |
| 8 | * accessed from outside. | |
| 9 | */ | |
| 10 | ||
| 11 | SYM *program; | |
| 12 | ||
| 13 | /* | |
| 14 | * attributes | |
| 15 | */ | |
| 16 | ||
| 17 | char *name(); /* symbol string name */ | |
| 18 | char *classname(); /* class name of a symbol */ | |
| 19 | int toknum(); /* token number of reserved word */ | |
| 20 | int tokval(); /* associated token value */ | |
| 21 | int size(); /* size in bytes of a type */ | |
| 22 | SYM *rtype(); /* the reduced type, i.e. no type names */ | |
| 23 | SYM *container(); /* symbol (block) that contains given symbol */ | |
| 24 | ADDRESS codeloc(); /* address of the beginning of a function */ | |
| 25 | ||
| 26 | /* | |
| 27 | * predicates | |
| 28 | */ | |
| 29 | ||
| 30 | BOOLEAN isblock(); /* test if a symbol is a block name */ | |
| 31 | BOOLEAN isbuiltin(); /* test if a symbol is a builtin type */ | |
| 32 | BOOLEAN isparam(); /* test if a symbol is a parameter */ | |
| 33 | BOOLEAN isvarparam(); /* test if a symbol is a var parameter */ | |
| 6d3dd70b | 34 | BOOLEAN isvariable(); /* test if a symbol is a variable */ |
| 94a490d6 ML |
35 | BOOLEAN isambiguous(); /* test if a symbol name is not unique */ |
| 36 | BOOLEAN compatible(); /* test to see if two types are compatible */ | |
| 37 | BOOLEAN should_print(); /* test if a symbol should be printed */ | |
| 38 | ||
| 39 | SYM *readsym(); /* read in a symbol from object file */ | |
| 40 | SYM *which(); /* find the appropriate symbol of given name */ | |
| 41 | SYM *findsym(); /* find a symbol for a given block */ | |
| 42 | SYM *findclass(); /* find symbol with given class */ | |
| 43 | NODE *dot(); /* construct a tree for the dot operator */ | |
| 44 | NODE *subscript(); /* construct a tree for subscripting */ | |
| 45 | SYM *treetype(); /* return the type of a tree, checking also */ | |
| 46 | evalindex(); /* evaluate a subscript index */ | |
| 47 | unmkstring(); /* free a constant string type */ | |
| 48 | chkboolean(); /* check if a tree is boolean-valued */ | |
| 49 | printdecl(); /* print out a symbol's declaration */ | |
| 50 | printparams(); /* print out values of a fn's parameters */ | |
| 51 | printentry(); /* note entrance of a block */ | |
| 52 | printexit(); /* note exiting from a block */ | |
| 53 | printcall(); /* note call of a function */ | |
| 54 | printval(); /* print an eval result */ | |
| 55 | printv(); /* print the name and value of a variable */ | |
| 56 | printwhich(); /* print the full "path" of an identifier */ | |
| 57 | maketypes(); /* initialize basic types */ | |
| 58 | make_keyword(); /* create a keyword in a given symbol table */ |