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80 lines
1.1 KiB
Plaintext
80 lines
1.1 KiB
Plaintext
%{
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/*
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* Copyright 1987, 1988 by MIT Student Information Processing Board.
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*
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* For copyright info, see copyright.h.
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*/
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#include <string.h>
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#include "y.tab.h"
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#include "copyright.h"
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extern char *last_token, *ds();
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static int l_command_table()
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{
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last_token = "command_table";
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return COMMAND_TABLE;
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}
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static int l_request()
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{
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last_token = "request";
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return REQUEST;
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}
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static int l_unimplemented()
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{
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last_token = "unimplemented";
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return UNIMPLEMENTED;
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}
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static int l_end()
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{
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last_token = "end";
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return END;
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}
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static int l_quoted_string()
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{
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register char *p;
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yylval.dynstr = ds(yytext+1);
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if ( (p=rindex(yylval.dynstr, '"')) )
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*p='\0';
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last_token = ds(yylval.dynstr);
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return STRING;
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}
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static int l_string()
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{
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yylval.dynstr = ds(yytext);
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last_token = ds(yylval.dynstr);
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return STRING;
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}
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%}
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N [0-9]
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PC [^\"]
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AN [A-Z_a-z0-9]
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%%
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command_table return l_command_table();
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request return l_request();
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unimplemented return l_unimplemented();
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end return l_end();
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[\t\n ] ;
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\"{PC}*\" return l_quoted_string();
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{AN}* return l_string();
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#.*\n ;
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. return (*yytext);
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%%
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