48 lines
890 B
C
48 lines
890 B
C
#ifndef SYMBOLS
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#define SYMBOLS
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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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#define T_UNDEF -1
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#define T_PROTOCOL 0
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#define T_CONST 1
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#define T_VAR 2
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#define T_SYSCONST 3
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#define EOS 0
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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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//! Ascii string with name of the symbol.
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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;
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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 (Symbol s);
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void insert (Symbol s);
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Symbol lookup (char *s);
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void symbolPrint (Symbol s);
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Symbol symbolSysConst (char *str);
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#endif
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