100 lines
2 KiB
C
100 lines
2 KiB
C
/* T O K E N D E F I N I T I O N S */
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#include "tokenname.h"
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#include "Lpars.h"
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#include "idf.h"
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/* To centralize the declaration of %tokens, their presence in this
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file is taken as their declaration. The Makefile will produce
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a grammar file (tokenfile.g) from this file. This scheme ensures
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that all tokens have a printable name.
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Also, the "token2str.c" file is produced from this file.
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*/
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struct tokenname tkspec[] = { /* the names of the special tokens */
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{IDENT, "identifier"},
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{STRING, "string"},
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{INTEGER, "number"},
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{REAL, "real"},
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{0, ""}
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};
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struct tokenname tkcomp[] = { /* names of the composite tokens */
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{LESSEQUAL, "<="},
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{GREATEREQUAL, ">="},
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{UPTO, ".."},
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{BECOMES, ":="},
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{0, ""}
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};
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struct tokenname tkidf[] = { /* names of the identifier tokens */
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{AND, "AND"},
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{ARRAY, "ARRAY"},
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{BEGIN, "BEGIN"},
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{BY, "BY"},
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{CASE, "CASE"},
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{CONST, "CONST"},
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{DEFINITION, "DEFINITION"},
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{DIV, "DIV"},
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{DO, "DO"},
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{ELSE, "ELSE"},
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{ELSIF, "ELSIF"},
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{END, "END"},
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{EXIT, "EXIT"},
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{EXPORT, "EXPORT"},
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{FOR, "FOR"},
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{FROM, "FROM"},
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{IF, "IF"},
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{IMPLEMENTATION, "IMPLEMENTATION"},
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{IMPORT, "IMPORT"},
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{IN, "IN"},
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{LOOP, "LOOP"},
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{MOD, "MOD"},
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{MODULE, "MODULE"},
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{NOT, "NOT"},
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{OF, "OF"},
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{OR, "OR"},
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{POINTER, "POINTER"},
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{PROCEDURE, "PROCEDURE"},
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{QUALIFIED, "QUALIFIED"},
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{RECORD, "RECORD"},
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{REPEAT, "REPEAT"},
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{RETURN, "RETURN"},
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{SET, "SET"},
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{THEN, "THEN"},
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{TO, "TO"},
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{TYPE, "TYPE"},
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{UNTIL, "UNTIL"},
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{VAR, "VAR"},
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{WHILE, "WHILE"},
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{WITH, "WITH"},
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{0, ""}
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};
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struct tokenname tkinternal[] = { /* internal keywords */
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{PROGRAM, ""},
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{0, "0"}
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};
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struct tokenname tkstandard[] = { /* standard identifiers */
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{0, ""}
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};
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/* Some routines to handle tokennames */
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reserve(resv)
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register struct tokenname *resv;
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{
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/* The names of the tokens described in resv are entered
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as reserved words.
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*/
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register struct idf *p;
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while (resv->tn_symbol) {
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p = str2idf(resv->tn_name, 0);
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if (!p) fatal("out of Memory");
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p->id_reserved = resv->tn_symbol;
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resv++;
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}
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}
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