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|
%option noyywrap
COMMENT #.*\n
NAME _[^ \t\n]+
LOOP [Ll][Oo][Oo][Pp]_
DATA [Dd][Aa][Tt][Aa]_[^ \t\n]+
FREE_VALUE [^ \t\n]+
SINGLE_QUOTE_VALUE '[^'\n]*'
DOUBLE_QUOTE_VALUE \"[^"\n]*\"
SEMICOLON_VALUE ^;(.*\n[^;])*.*\n;
/*
Number code of the tokens is:
NAME (eg. _entity.id) 1
LOOP (loop_) 2
DATA (eg. data_something) 3
SEMICOLON (eg. ;value\n;) 4
DOUBLE QUOTE (eg. "value") 5
SINGLE QUOTE (eg. 'value') 6
FREE (eg. value ) 7
*/
%%
{COMMENT} /* ignore */
{NAME} { return 1; }
{LOOP} { return 2; }
{DATA} { return 3; }
{SEMICOLON_VALUE} { return 4; }
{DOUBLE_QUOTE_VALUE} { return 5; }
{SINGLE_QUOTE_VALUE} { return 6; }
{FREE_VALUE} { return 7; }
[ \t\n]+ /* ignore */
%%
void mmcif_set_file(FILE *fp)
{
yyin=fp;
}
int mmcif_get_token(void)
{
extern int yylex(void);
return yylex();
}
char *mmcif_get_string(void)
{
return yytext;
}
|
