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132 lines
2.0 KiB
Plaintext
132 lines
2.0 KiB
Plaintext
%{
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/* This file is part of the software similarity tester SIM.
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Written by Dick Grune, Vrije Universiteit, Amsterdam.
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$Id: miralang.l,v 1.3 2007/08/29 09:10:34 dick Exp $
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*/
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/*
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Miranda language front end for the similarity tester.
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Author: Emma Norling (ejn@cs.mu.oz.au)
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Date: Nov 1998
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*/
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#include "language.h"
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#include "token.h"
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#include "lex.h"
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#include "lang.h"
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/* Language-dependent Code */
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#include "idf.h"
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static const struct idf reserved[] = {
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{"abstype", NORM('a')},
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{"bool", NORM('b')},
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{"char", NORM('c')},
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{"const", META('c')},
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{"div", NORM('d')},
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{"False", NORM('F')},
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{"if", NORM('i')},
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{"mod", NORM('m')},
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{"num", NORM('n')},
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{"otherwise", NORM('o')},
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{"readvals", NORM('r')},
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{"show", NORM('s')},
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{"sys_message", META('s')},
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{"True", NORM('T')},
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{"type", NORM('t')},
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{"where", NORM('w')},
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{"with", META('w')}
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};
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/* Token sets for module algollike */
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const TOKEN NonFinals[] = {
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NORM('('),
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NORM('['),
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NORM('='),
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NOTOKEN
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};
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const TOKEN NonInitials[] = {
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NORM(')'),
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NORM(']'),
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NOTOKEN
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};
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const TOKEN Openers[] = {
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NORM('('),
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NORM('['),
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NORM('='),
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NOTOKEN
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};
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const TOKEN Closers[] = {
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NORM(')'),
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NORM(']'),
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NOTOKEN
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};
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%}
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%option nounput
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%option never-interactive
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%Start Comment
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Layout ([ \t\r\f])
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ASCII95 ([- !"#$%&'()*+,./0-9:;<=>?@A-Z\[\\\]^_`a-z{|}~])
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AnyQuoted (\\.)
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StrChar ([^"\n\\]|{AnyQuoted})
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ChrChar ([^'\\]|{AnyQuoted})
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Idf ([A-Za-z][A-Za-z0-9_']*)
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%%
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"||".*$ { /* comment */
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}
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\"{StrChar}*\" { /* strings */
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return_ch('"');
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}
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\'{ChrChar}\' { /* characters */
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return_ch('\'');
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}
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\%{Layout}*include.* { /* skip %include line */
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}
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\%{Layout}*insert.* { /* skip %insert line */
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}
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{Idf} { /* identifier */
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return_tk(idf_in_list(yytext, reserved, sizeof reserved, IDF));
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}
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\n { /* count newlines */
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return_eol();
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}
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{Layout} { /* ignore layout */
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}
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{ASCII95} { /* copy other text */
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return_ch(yytext[0]);
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}
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. { /* count non-ASCII chars */
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lex_non_ascii_cnt++;
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}
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%%
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/* Language-INdependent Code */
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void
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yystart(void) {
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BEGIN INITIAL;
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}
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int
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yywrap(void) {
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return 1;
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}
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