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Annotation of 42BSD/ucb/pascal/pdx/sym.h, revision 1.1.1.1

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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