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Annotation of 42BSD/ucb/pascal/pdx/sym.h, revision 1.1

1.1     ! root        1: /* Copyright (c) 1982 Regents of the University of California */
        !             2: 
        !             3: /* static char sccsid[] = "@(#)sym.h 1.3 2/17/82"; */
        !             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 */
        !            34: BOOLEAN isvariable();          /* test if a symbol is a variable */
        !            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 */

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