From 27fb1c24b7fcf05cf22f417c733200a48472cf72 Mon Sep 17 00:00:00 2001 From: Akim Demaille Date: Fri, 25 Jan 2002 16:24:21 +0000 Subject: [PATCH] * tests/regression.at (%nonassoc and eof): New. Suggested by Robert Anisko. --- ChangeLog | 5 +++ tests/regression.at | 75 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 80 insertions(+) diff --git a/ChangeLog b/ChangeLog index fcc49355..117394fc 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2002-01-25 Akim Demaille + + * tests/regression.at (%nonassoc and eof): New. + Suggested by Robert Anisko. + 2002-01-23 Akim Demaille Version 1.32. diff --git a/tests/regression.at b/tests/regression.at index 8f07dd91..4c40b699 100644 --- a/tests/regression.at +++ b/tests/regression.at @@ -19,6 +19,81 @@ AT_BANNER([[Regression tests.]]) +## ------------------- ## +## %nonassoc and eof. ## +## ------------------- ## + +AT_SETUP([%nonassoc and eof]) + +AT_DATA([input.y], +[[ +%{ +#include +#include +#include +#include +#define YYERROR_VERBOSE 1 +#define yyerror(Msg) \ +do { \ + fprintf (stderr, "%s\n", Msg); \ + exit (1); \ +} while (0) + +/* The current argument. */ +static const char *input = NULL; + +static int +yylex (void) +{ + /* No token stands for end of file. */ + if (input && *input) + return *input++; + else + return 0; +} + +%} + +%nonassoc '<' '>' + +%% +expr: expr '<' expr + | expr '>' expr + | '0' + ; +%% +int +main (int argc, const char *argv[]) +{ + if (argc > 1) + input = argv[1]; + return yyparse (); +} +]]) + +# Specify the output files to avoid problems on different file systems. +AT_CHECK([bison input.y -o input.c]) +AT_CHECK([$CC $CFLAGS $CPPFLAGS input.c -o input], 0, [], [ignore]) + +AT_CHECK([input '0<0']) +# FIXME: This is an actual bug, but a new one, in the sense that +# no one has ever spotted it! The messages are *wrong*: there should +# be nothing there, it should be expected eof. +AT_CHECK([input '0<0<0'], [1], [], + [parse error, unexpected '<', expecting '<' or '>' +]) + +AT_CHECK([input '0>0']) +AT_CHECK([input '0>0>0'], [1], [], + [parse error, unexpected '>', expecting '<' or '>' +]) + +AT_CHECK([input '0<0>0'], [1], [], + [parse error, unexpected '>', expecting '<' or '>' +]) + +AT_CLEANUP + ## ---------------- ## ## Braces parsing. ## ## ---------------- ## -- 2.50.0