104 lines
3.1 KiB
Text
104 lines
3.1 KiB
Text
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/* $NetBSD: scanner.l,v 1.1.1.1 2009/10/26 00:29:12 christos Exp $ */
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/*
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* This file is part of flex.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE.
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*/
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/* The point of this test is to be sure our M4 madness does not
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* interfere with user code. I particular, we are looking
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* for instances of M4 quotes, [[ and ]], in here to make it through the flex
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* machinery unscathed.
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*/
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/* sect 1 [ 1 ] TEST_XXX */
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/* sect 1 [[ 2 ]] TEST_XXX */
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/* sect 1 [[[ 3 ]]] TEST_XXX */
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/* sect 1 [[[[ 4 ]]]] TEST_XXX */
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/* sect 1 ]] unmatched [[ TEST_XXX */
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%{
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/* A template scanner file to build "scanner.c". */
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#include <stdio.h>
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#include <stdlib.h>
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#include "config.h"
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/*#include "parser.h" */
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/* sect 1 block [ 1 ] TEST_XXX */
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/* sect 1 block [[ 2 ]] TEST_XXX */
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/* sect 1 block [[[ 3 ]]] TEST_XXX */
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/* sect 1 block [[[[ 4 ]]]] TEST_XXX */
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/* sect 1 block ]] unmatched [[ TEST_XXX */
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static int a[1] = {0};
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static int b[1] = {0};
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static int c[1] = {0};
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static int foo (int i){
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return a[b[c[i]]]; /* sect 1 code TEST_XXX */
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}
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%}
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%option 8bit outfile="scanner.c" prefix="test"
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%option nounput nomain noyywrap
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%option warn
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%%
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a /* action comment [ 1 ] */ ;
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b /* action comment [[ 2 ]] */ ;
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c /* action comment [[[ 3 ]]] */ ;
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d /* action comment [[[[ 4 ]]]] */ ;
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e /* action comment ]] unmatched [[ */ ;
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f return 1+foo(a[b[c[0]]]);
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.|\n {
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/* action block [ 1 ] TEST_XXX */
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/* action block [[ 2 ]] TEST_XXX */
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/* action block [[[ 3 ]]] TEST_XXX */
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/* action block [[[[ 4 ]]]] TEST_XXX */
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/* action block ]] unmatched [[ TEST_XXX */
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return 1+foo(a[b[c[0]]]); // TEST_XXX
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}
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%%
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/* sect 3 [ 1 ] TEST_XXX */
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/* sect 3 [[ 2 ]] TEST_XXX */
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/* sect 3 [[[ 3 ]]] TEST_XXX */
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/* sect 3 [[[[ 4 ]]]] TEST_XXX */
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/* sect 3 ]] unmatched [[ TEST_XXX */
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static int bar (int i){
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return c[b[a[i]]]; /* sect 3 code TEST_XXX */
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}
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int main(void);
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int
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main ()
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{
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yyin = stdin;
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yyout = stdout;
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while (yylex())
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;
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printf("TEST RETURNING OK.\n");
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return bar(0);
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}
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