59 lines
1.3 KiB
C
59 lines
1.3 KiB
C
#ifndef SYMBOLS
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#define SYMBOLS
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#include <stdarg.h>
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//! Size of symbol hashtable.
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/** Optimistically large. Should be a prime, says theory.
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*/
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#define HASHSIZE 997
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enum symboltypes
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{ T_UNDEF = -1, T_PROTOCOL, T_CONST, T_VAR, T_SYSCONST };
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#define EOS 0
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//! Symbol structure
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struct symbol
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{
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//! Type of symbol.
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/**
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*\sa T_UNDEF, T_PROTOCOL, T_CONST, T_VAR, T_SYSCONST
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*/
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int type;
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//! Line number at which it occurred.
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int lineno;
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//! Level of occurrence in role nodes. 0 for as non-key, 1 for key only, 2 for key of key only, etc..
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int keylevel;
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//! Ascii string with name of the symbol.
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const char *text;
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//! Possible next pointer.
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struct symbol *next;
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//! Used for linking all symbol blocks, freed or in use.
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struct symbol *allocnext;
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};
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typedef struct symbol *Symbol; //!< pointer to symbol structure
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void symbolsInit (void);
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void symbolsDone (void);
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Symbol get_symb (void);
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void free_symb (const Symbol s);
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void insert (const Symbol s);
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Symbol lookup (const char *s);
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void symbolPrint (const Symbol s);
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void symbolPrintAll (void);
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Symbol symbolSysConst (const char *str);
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void symbol_fix_keylevels (void);
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Symbol symbolNextFree (Symbol prefixsymbol);
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void eprintf (char *fmt, ...);
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void veprintf (const char *fmt, va_list args);
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extern int globalError;
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extern char *globalStream;
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#endif
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