ack/lang/m2/comp/tokenname.c

116 lines
2.3 KiB
C

/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*
* Author: Ceriel J.H. Jacobs
*/
/* T O K E N D E F I N I T I O N S */
/* $Id$ */
#include "parameters.h"
#include "tokenname.h"
#include "Lpars.h"
#include "idf.h"
#include "error.h"
/* To centralize the declaration of %tokens, their presence in this
file is taken as their declaration. The Makefile will produce
a grammar file (tokenfile.g) from this file. This scheme ensures
that all tokens have a printable name.
Also, the "token2str.c" file is produced from this file.
*/
#ifdef ___XXX___
struct tokenname tkspec[] = { /* the names of the special tokens */
{IDENT, "identifier"},
{STRING, "string"},
{INTEGER, "number"},
{REAL, "real"},
{0, ""}
};
struct tokenname tkcomp[] = { /* names of the composite tokens */
{LESSEQUAL, "<="},
{GREATEREQUAL, ">="},
{UPTO, ".."},
{BECOMES, ":="},
{0, ""}
};
#endif
struct tokenname tkidf[] = { /* names of the identifier tokens */
{AND, "AND"},
{ARRAY, "ARRAY"},
{BEGIN, "BEGIN"},
{BY, "BY"},
{CASE, "CASE"},
{CONST, "CONST"},
{DEFINITION, "DEFINITION"},
{DIV, "DIV"},
{DO, "DO"},
{ELSE, "ELSE"},
{ELSIF, "ELSIF"},
{END, "END"},
{EXIT, "EXIT"},
{EXPORT, "EXPORT"},
{FOR, "FOR"},
{FROM, "FROM"},
{IF, "IF"},
{IMPLEMENTATION, "IMPLEMENTATION"},
{IMPORT, "IMPORT"},
{IN, "IN"},
{LOOP, "LOOP"},
{MOD, "MOD"},
{MODULE, "MODULE"},
{NOT, "NOT"},
{OF, "OF"},
{OR, "OR"},
{POINTER, "POINTER"},
{PROCEDURE, "PROCEDURE"},
{QUALIFIED, "QUALIFIED"},
{RECORD, "RECORD"},
{REPEAT, "REPEAT"},
{RETURN, "RETURN"},
{SET, "SET"},
{THEN, "THEN"},
{TO, "TO"},
{TYPE, "TYPE"},
{UNTIL, "UNTIL"},
{VAR, "VAR"},
{WHILE, "WHILE"},
{WITH, "WITH"},
{0, ""}
};
#ifdef ___XXX___
struct tokenname tkinternal[] = { /* internal keywords */
{PROGRAM, ""},
{COERCION, ""},
{CAST, ""},
{0, "0"}
};
struct tokenname tkstandard[] = { /* standard identifiers */
{0, ""}
};
#endif
/* Some routines to handle tokennames */
void reserve(register struct tokenname *resv)
{
/* The names of the tokens described in resv are entered
as reserved words.
*/
register struct idf *p;
while (resv->tn_symbol) {
p = str2idf(resv->tn_name, 0);
if (!p) fatal("out of Memory");
p->id_reserved = resv->tn_symbol;
resv++;
}
}