* data/lalr1.cc (parser::parse): Return a bool instead of an int.

[bison.git] / tests / conflicts.at

diff --git a/tests/conflicts.at b/tests/conflicts.at
index 84b4fcdaba5f510866f8f4ced984b0c0fabd4510..381b49ef99659214d1ef9ceb37661946b75d966e 100644 (file)
--- a/tests/conflicts.at
+++ b/tests/conflicts.at
@@ -1,5 +1,6 @@
 # Exercising Bison on conflicts.                         -*- Autotest -*-
-# Copyright (C) 2002 Free Software Foundation, Inc.
+
+# Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -37,7 +38,9 @@ exp: e 'e';
 e: 'e' | /* Nothing. */;
 ]])
 
-AT_CHECK([bison input.y -o input.c])
+AT_CHECK([bison -o input.c input.y], 0, [],
+[[input.y:4.9: warning: rule never reduced because of conflicts: e: /* empty */
+]])
 
 AT_CLEANUP
 
@@ -48,17 +51,11 @@ AT_CLEANUP
 
 AT_SETUP([%nonassoc and eof])
 
-AT_DATA([input.y],
+AT_DATA_GRAMMAR([input.y],
 [[
 %{
-#include <config.h>
-/* We don't need a perfect malloc for these tests. */
-#undef malloc
 #include <stdio.h>
-
-#if STDC_HEADERS
-# include <stdlib.h>
-#endif
+#include <stdlib.h>
 
 #define YYERROR_VERBOSE 1
 static void
@@ -101,7 +98,7 @@ main (int argc, const char *argv[])
 ]])
 
 # Specify the output files to avoid problems on different file systems.
-AT_CHECK([bison input.y -o input.c])
+AT_CHECK([bison -o input.c input.y])
 AT_COMPILE([input])
 
 AT_PARSER_CHECK([./input '0<0'])
@@ -109,16 +106,16 @@ AT_PARSER_CHECK([./input '0<0'])
 # no one has ever spotted it!  The messages are *wrong*: there should
 # be nothing there, it should be expected eof.
 AT_PARSER_CHECK([./input '0<0<0'], [1], [],
-         [parse error, unexpected '<', expecting '<' or '>'
+         [syntax error, unexpected '<', expecting '<' or '>'
 ])
 
 AT_PARSER_CHECK([./input '0>0'])
 AT_PARSER_CHECK([./input '0>0>0'], [1], [],
-         [parse error, unexpected '>', expecting '<' or '>'
+         [syntax error, unexpected '>', expecting '<' or '>'
 ])
 
 AT_PARSER_CHECK([./input '0<0>0'], [1], [],
-         [parse error, unexpected '>', expecting '<' or '>'
+         [syntax error, unexpected '>', expecting '<' or '>'
 ])
 
 AT_CLEANUP
@@ -139,13 +136,13 @@ AT_DATA([input.y],
 exp: exp OP exp | NUM;
 ]])
 
-AT_CHECK([bison input.y -o input.c --report=all], 0, [],
-[input.y contains 1 shift/reduce conflict.
+AT_CHECK([bison -o input.c --report=all input.y], 0, [],
+[input.y: conflicts: 1 shift/reduce
 ])
 
 # Check the contents of the report.
 AT_CHECK([cat input.output], [],
-[[State 5 contains 1 shift/reduce conflict.
+[[State 5 conflicts: 1 shift/reduce
 
 
 Grammar
@@ -203,7 +200,7 @@ state 3
 
     0 $accept: exp $end .
 
-    $default   accept
+    $default  accept
 
 
 state 4
@@ -247,7 +244,7 @@ AT_DATA([input.y],
 exp: exp OP exp | NUM;
 ]])
 
-AT_CHECK([bison input.y -o input.c --report=all])
+AT_CHECK([bison -o input.c --report=all input.y])
 
 # Check the contents of the report.
 AT_CHECK([cat input.output], [],
@@ -306,7 +303,7 @@ state 3
 
     0 $accept: exp $end .
 
-    $default   accept
+    $default  accept
 
 
 state 4
@@ -326,6 +323,7 @@ state 5
     1    | exp OP exp .  [$end, OP]
 
     $default  reduce using rule 1 (exp)
+
     Conflict between rule 1 and token OP resolved as reduce (%left OP).
 ]])
 
@@ -368,13 +366,19 @@ id : '0';
 %%
 ]])
 
-AT_CHECK([bison input.y -o input.c --report=all], 0, [],
-[input.y contains 1 reduce/reduce conflict.
-])
+AT_CHECK([bison -o input.c --report=all input.y], 0, [],
+[[input.y: conflicts: 1 reduce/reduce
+input.y:4.6-8: warning: rule never reduced because of conflicts: id: '0'
+]])
 
 # Check the contents of the report.
 AT_CHECK([cat input.output], [],
-[[State 1 contains 1 reduce/reduce conflict.
+[[Rules never reduced
+
+    4 id: '0'
+
+
+State 1 conflicts: 1 reduce/reduce
 
 
 Grammar
@@ -458,7 +462,7 @@ state 5
 
     0 $accept: exp $end .
 
-    $default   accept
+    $default  accept
 ]])
 
 AT_CLEANUP
@@ -479,9 +483,9 @@ AT_DATA([input.y],
 exp: exp OP exp | NUM;
 ]])
 
-AT_CHECK([bison input.y -o input.c], 1, [],
-[input.y contains 1 shift/reduce conflict.
-expected 0 shift/reduce conflicts
+AT_CHECK([bison -o input.c input.y], 0, [],
+[input.y: conflicts: 1 shift/reduce
+input.y: warning: expected 0 shift/reduce conflicts
 ])
 AT_CLEANUP
 
@@ -499,7 +503,7 @@ AT_DATA([input.y],
 exp: exp OP exp | NUM;
 ]])
 
-AT_CHECK([bison input.y -o input.c])
+AT_CHECK([bison -o input.c input.y])
 AT_CLEANUP
 
 
@@ -516,8 +520,102 @@ AT_DATA([input.y],
 exp: exp OP exp | NUM;
 ]])
 
-AT_CHECK([bison input.y -o input.c], 1, [],
-[input.y contains 1 shift/reduce conflict.
-expected 2 shift/reduce conflicts
+AT_CHECK([bison -o input.c input.y], 0, [],
+[input.y: conflicts: 1 shift/reduce
+input.y: warning: expected 2 shift/reduce conflicts
+])
+AT_CLEANUP
+
+
+## ------------------------------ ##
+## %expect with reduce conflicts  ##
+## ------------------------------ ##
+
+AT_SETUP([%expect with reduce conflicts])
+
+AT_DATA([input.y],
+[[%expect 0
+%%
+program: a 'a' | a a;
+a: 'a';
+]])
+
+AT_CHECK([bison -o input.c input.y], 0, [],
+[input.y: conflicts: 1 reduce/reduce
+input.y: warning: expected 0 reduce/reduce conflicts
 ])
 AT_CLEANUP
+
+
+## ------------------------------- ##
+## %no-default-prec without %prec  ##
+## ------------------------------- ##
+
+AT_SETUP([%no-default-prec without %prec])
+
+AT_DATA([[input.y]],
+[[%left '+'
+%left '*'
+
+%%
+
+%no-default-prec;
+
+e:   e '+' e
+   | e '*' e
+   | '0'
+   ;
+]])
+
+AT_CHECK([bison -o input.c input.y], 0, [],
+[[input.y: conflicts: 4 shift/reduce
+]])
+AT_CLEANUP
+
+
+## ---------------------------- ##
+## %no-default-prec with %prec  ##
+## ---------------------------- ##
+
+AT_SETUP([%no-default-prec with %prec])
+
+AT_DATA([[input.y]],
+[[%left '+'
+%left '*'
+
+%%
+
+%no-default-prec;
+
+e:   e '+' e %prec '+'
+   | e '*' e %prec '*'
+   | '0'
+   ;
+]])
+
+AT_CHECK([bison -o input.c input.y])
+AT_CLEANUP
+
+
+## ---------------- ##
+## %default-prec    ##
+## ---------------- ##
+
+AT_SETUP([%default-prec])
+
+AT_DATA([[input.y]],
+[[%left '+'
+%left '*'
+
+%%
+
+%default-prec;
+
+e:   e '+' e
+   | e '*' e
+   | '0'
+   ;
+]])
+
+AT_CHECK([bison -o input.c input.y])
+AT_CLEANUP