* data/bison.simple (b4_pure_if): New.

[bison.git] / tests / regression.at

diff --git a/tests/regression.at b/tests/regression.at
index af5544c8722054d05fcb4d3bda72dc2f29dbd96b..3620200af6415cca7f136e87f71524ca74082fbb 100644 (file)
--- a/tests/regression.at
+++ b/tests/regression.at
@@ -1,5 +1,5 @@
 # Bison Regressions.                               -*- Autotest -*-
 # Bison Regressions.                               -*- Autotest -*-

-# Copyright 2001 Free Software Foundation, Inc.
+# Copyright (C) 2001, 2002 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
 
 # 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


@@ -18,247 +18,102 @@
 
 AT_BANNER([[Regression tests.]])
 
 
 AT_BANNER([[Regression tests.]])
 

-## ------------------ ##
-## Duplicate string.  ##
-## ------------------ ##

 
 

+## ------------------------- ##
+## Early token definitions.  ##
+## ------------------------- ##

 
 

-AT_SETUP([Duplicate string])

 
 

-AT_DATA([input.y],
-[[/* `Bison -v' used to dump core when two tokens are defined with the same
-   string, as LE and GE below. */
+AT_SETUP([Early token definitions])

 
 

-%token NUM
-%token LE "<="
-%token GE "<="
+# Found in GCJ: they expect the tokens to be defined before the user
+# prologue, so that they can use the token definitions in it.

 
 

+AT_DATA([input.y],
+[[%{
+void yyerror (const char *s);
+int yylex (void);
+%}
+
+%union
+{
+  int val;
+};
+%{
+#ifndef MY_TOKEN
+# error "MY_TOKEN not defined."
+#endif
+%}
+%token MY_TOKEN

 %%
 %%

-exp: '(' exp ')' | NUM ;
+exp: MY_TOKEN;

 %%
 ]])
 
 %%
 ]])
 

-AT_CHECK([bison -v input.y -o input.c], 0, ignore, ignore)
+AT_CHECK([bison input.y -o input.c])
+AT_CHECK([$CC $CFLAGS $CPPFLAGS input.c -c])

 
 AT_CLEANUP
 
 
 
 AT_CLEANUP
 
 

-## ------------------------- ##
-## Unresolved SR Conflicts.  ##
-## ------------------------- ##
-
-AT_SETUP([Unresolved SR Conflicts])
-
-AT_DATA([input.y],
-[[%token NUM OP
-%%
-exp: exp OP exp | NUM;
-]])
-
-AT_CHECK([bison input.y -o input.c -v], 0, [],
-[input.y contains 1 shift/reduce conflict.
-])
-
-# Check the contents of the report.
-AT_CHECK([cat input.output], [],
-[[State 5 contains 1 shift/reduce conflict.
-
-
-Grammar
-
-  Number, Line, Rule
-    0   3 $axiom -> exp $
-    1   3 exp -> exp OP exp
-    2   3 exp -> NUM
-
-
-Terminals, with rules where they appear
-
-$ (0) 0
-error (256)
-NUM (257) 2
-OP (258) 1
-
-
-Nonterminals, with rules where they appear
-
-$axiom (5)
-    on left: 0
-exp (6)
-    on left: 1 2, on right: 0 1
-
-
-state 0
-
-    NUM        shift, and go to state 1
-
-    exp        go to state 2
-
-
-
-state 1
-
-    exp  ->  NUM .   (rule 2)
-
-    $default   reduce using rule 2 (exp)
-
-
-
-state 2
-
-    $axiom  ->  exp . $   (rule 0)
-    exp  ->  exp . OP exp   (rule 1)
-
-    $          shift, and go to state 3
-    OP         shift, and go to state 4
-
-
-
-state 3
-
-    $axiom  ->  exp $ .   (rule 0)
-
-    $default   accept
-
-
-state 4
-
-    exp  ->  exp OP . exp   (rule 1)
-
-    NUM        shift, and go to state 1
-
-    exp        go to state 5
-
-
-
-state 5
-
-    exp  ->  exp . OP exp   (rule 1)
-    exp  ->  exp OP exp .   (rule 1)
-
-    OP         shift, and go to state 4
-
-    OP         [reduce using rule 1 (exp)]
-    $default   reduce using rule 1 (exp)

 
 

+## ---------------- ##
+## Braces parsing.  ##
+## ---------------- ##

 
 
 
 

-]])
-
-AT_CLEANUP
-
-
-## --------------------- ##
-## Solved SR Conflicts.  ##
-## --------------------- ##
-
-AT_SETUP([Solved SR Conflicts])
+AT_SETUP([Braces parsing])

 
 AT_DATA([input.y],
 
 AT_DATA([input.y],

-[[%token NUM OP
-%right OP
+[[/* Bison used to swallow the character after `}'. */
+
+%%
+exp: { tests = {{{{{{{{{{}}}}}}}}}}; };

 %%
 %%

-exp: exp OP exp | NUM;

 ]])
 
 ]])
 

-AT_CHECK([bison input.y -o input.c -v], 0, [], [])
-
-# Check the contents of the report.
-AT_CHECK([cat input.output], [],
-[[Conflict in state 5 between rule 2 and token OP resolved as shift.
-
-
-Grammar
-
-  Number, Line, Rule
-    0   4 $axiom -> exp $
-    1   4 exp -> exp OP exp
-    2   4 exp -> NUM
-
-
-Terminals, with rules where they appear
-
-$ (0) 0
-error (256)
-NUM (257) 2
-OP (258) 1
-
-
-Nonterminals, with rules where they appear
-
-$axiom (5)
-    on left: 0
-exp (6)
-    on left: 1 2, on right: 0 1
-
-
-state 0
-
-    NUM        shift, and go to state 1
-
-    exp        go to state 2
-
-
-
-state 1
-
-    exp  ->  NUM .   (rule 2)
-
-    $default   reduce using rule 2 (exp)
-
-
-
-state 2
-
-    $axiom  ->  exp . $   (rule 0)
-    exp  ->  exp . OP exp   (rule 1)
-
-    $          shift, and go to state 3
-    OP         shift, and go to state 4
-
-
-
-state 3
-
-    $axiom  ->  exp $ .   (rule 0)
-
-    $default   accept
-
-
-state 4
-
-    exp  ->  exp OP . exp   (rule 1)
-
-    NUM        shift, and go to state 1
+AT_CHECK([bison -v input.y -o input.c])

 
 

-    exp        go to state 5
+AT_CHECK([fgrep 'tests = {{{{{{{{{{}}}}}}}}}};' input.c], 0, [ignore])

 
 

+AT_CLEANUP

 
 
 
 

-state 5
+## ------------------ ##
+## Duplicate string.  ##
+## ------------------ ##

 
 

-    exp  ->  exp . OP exp   (rule 1)
-    exp  ->  exp OP exp .   (rule 1)

 
 

-    OP         shift, and go to state 4
+AT_SETUP([Duplicate string])

 
 

-    $default   reduce using rule 1 (exp)
+AT_DATA([input.y],
+[[/* `Bison -v' used to dump core when two tokens are defined with the same
+   string, as LE and GE below. */

 
 

+%token NUM
+%token LE "<="
+%token GE "<="

 
 

+%%
+exp: '(' exp ')' | NUM ;
+%%
+]])

 
 

+AT_CHECK([bison -v input.y -o input.c], 0, [],
+[[input.y:6: warning: symbol `"<="' used more than once as a literal string

 ]])
 
 AT_CLEANUP
 
 
 ]])
 
 AT_CLEANUP
 
 

-
-

 ## ------------------- ##
 ## Rule Line Numbers.  ##
 ## ------------------- ##
 
 AT_SETUP([Rule Line Numbers])
 
 ## ------------------- ##
 ## Rule Line Numbers.  ##
 ## ------------------- ##
 
 AT_SETUP([Rule Line Numbers])
 

+AT_KEYWORDS([report])
+

 AT_DATA([input.y],
 [[%%
 expr:
 AT_DATA([input.y],
 [[%%
 expr:


@@ -286,21 +141,24 @@ expr:
 
 {
 
 
 {
 

-}
+};

 ]])
 
 ]])
 

-AT_CHECK([bison input.y -o input.c -v], 0, [], [])
+AT_CHECK([bison input.y -o input.c -v])

 
 # Check the contents of the report.
 AT_CHECK([cat input.output], [],
 [[Grammar
 
 
 # Check the contents of the report.
 AT_CHECK([cat input.output], [],
 [[Grammar
 

-  Number, Line, Rule
-    0   2 $axiom -> expr $
-    1   2 @1 -> /* empty */
-    2   2 expr -> 'a' @1 'b'
-    3  15 @2 -> /* empty */
-    4  15 expr -> @2 'c'
+    0 $axiom: expr $
+
+    1 @1: /* empty */
+
+    2 expr: 'a' @1 'b'
+
+    3 @2: /* empty */
+
+    4 expr: @2 'c'

 
 
 Terminals, with rules where they appear
 
 
 Terminals, with rules where they appear


@@ -326,6 +184,8 @@ expr (7)
 
 state 0
 
 
 state 0
 

+    $axiom  ->  . expr $   (rule 0)
+

     'a'        shift, and go to state 1
 
     $default   reduce using rule 3 (@2)
     'a'        shift, and go to state 1
 
     $default   reduce using rule 3 (@2)


@@ -398,63 +258,6 @@ AT_CLEANUP
 
 
 
 
 
 

-## -------------------- ##
-## %expect not enough.  ##
-## -------------------- ##
-
-AT_SETUP([%expect not enough])
-
-AT_DATA([input.y],
-[[%token NUM OP
-%expect 0
-%%
-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_CLEANUP
-
-
-## --------------- ##
-## %expect right.  ##
-## --------------- ##
-
-AT_SETUP([%expect right])
-
-AT_DATA([input.y],
-[[%token NUM OP
-%expect 1
-%%
-exp: exp OP exp | NUM;
-]])
-
-AT_CHECK([bison input.y -o input.c], 0)
-AT_CLEANUP
-
-
-## ------------------ ##
-## %expect too much.  ##
-## ------------------ ##
-
-AT_SETUP([%expect too much])
-
-AT_DATA([input.y],
-[[%token NUM OP
-%expect 2
-%%
-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_CLEANUP
-
-

 ## ---------------------- ##
 ## Mixing %token styles.  ##
 ## ---------------------- ##
 ## ---------------------- ##
 ## Mixing %token styles.  ##
 ## ---------------------- ##


@@ -472,149 +275,74 @@ exp: ;
 %%
 ]])
 
 %%
 ]])
 

-AT_CHECK([bison -v input.y -o input.c], 0, ignore, ignore)
-
-AT_CLEANUP
-
-
-
-## ---------------------- ##
-## %union and --defines.  ##
-## ---------------------- ##
-
-
-AT_SETUP([%union and --defines])
-
-AT_DATA([input.y],
-[%union
-{
-  int   integer;
-  char *string ;
-}
-%%
-exp: {};
-])
-
-AT_CHECK([bison --defines input.y])
+AT_CHECK([bison -v input.y -o input.c])

 
 AT_CLEANUP
 
 
 
 AT_CLEANUP
 
 

-## --------------------------------------- ##
-## Duplicate '/' in C comments in %union   ##
-## --------------------------------------- ##

 
 

+## ---------------- ##
+## Invalid inputs.  ##
+## ---------------- ##

 
 

-AT_SETUP([%union and C comments])

 
 

-AT_DATA([input.y],
-[%union
-{
-  /* The int.  */      int   integer;
-  /* The string.  */   char *string ;
-}
-%%
-exp: {};
-])
-
-AT_CHECK([bison input.y -o input.c])
-AT_CHECK([fgrep '//*' input.c], [1], [])
-
-AT_CLEANUP
-
-
-## ----------------- ##
-## Invalid input 1.  ##
-## ----------------- ##
-
-
-AT_SETUP([Invalid input: 1])
+AT_SETUP([Invalid inputs])

 
 AT_DATA([input.y],
 [[%%
 ?
 
 AT_DATA([input.y],
 [[%%
 ?

-]])
-
-AT_CHECK([bison input.y], [1], [],
-[[input.y:2: invalid input: `?'
-input.y:3: fatal error: no rules in the input grammar
-]])
-
-AT_CLEANUP
-
-
-## ----------------- ##
-## Invalid input 2.  ##
-## ----------------- ##
-
-
-AT_SETUP([Invalid input: 2])
-
-AT_DATA([input.y],
-[[%%

 default: 'a' }
 default: 'a' }

+%&
+%a
+%-
+%{

 ]])
 
 AT_CHECK([bison input.y], [1], [],
 ]])
 
 AT_CHECK([bison input.y], [1], [],

-[[input.y:2: invalid input: `}'
+[[input.y:2.1: invalid character: `?'
+input.y:3.14: invalid character: `}'
+input.y:4.1: invalid character: `%'
+input.y:4.2: invalid character: `&'
+input.y:5.1: invalid character: `%'
+input.y:6.1: invalid character: `%'
+input.y:6.2: invalid character: `-'
+input.y:7.1-8.0: unexpected end of file in a prologue
+input.y:7.1-8.0: parse error, unexpected PROLOGUE, expecting ";" or "|"
+input.y:5.2: symbol a is used, but is not defined as a token and has no rules

 ]])
 
 AT_CLEANUP
 
 
 
 ]])
 
 AT_CLEANUP
 
 
 

-## -------------------- ##
-## Invalid %directive.  ##
-## -------------------- ##
+## ------------------- ##
+## Token definitions.  ##
+## ------------------- ##

 
 
 
 

-AT_SETUP([Invalid %directive])
+AT_SETUP([Token definitions])

 
 

+# Bison managed, when fed with `%token 'f' "f"' to #define 'f'!

 AT_DATA([input.y],
 AT_DATA([input.y],

-[[%invalid
-]])
-
-AT_CHECK([bison input.y], [1], [],
-[[input.y:1: unrecognized: %invalid
-input.y:1:    Skipping to next %
-input.y:2: fatal error: no input grammar
+[%{
+void yyerror (const char *s);
+int yylex (void);
+%}
+[%token YYEOF 0 "end of file"
+%token 'a' "a"
+%token b "b"
+%token c 'c'
+%token 'd' d
+%%
+exp: "a";

 ]])
 
 ]])
 

+AT_CHECK([bison input.y -o input.c])
+AT_CHECK([$CC $CFLAGS $CPPFLAGS input.c -c])

 AT_CLEANUP
 
 
 
 AT_CLEANUP
 
 
 

-## --------------------- ##
-## Invalid CPP headers.  ##
-## --------------------- ##
-
-# AT_TEST_CPP_GUARD_H([INPUT-FILE-BASE)
-# -------------------------------------
-m4_define([AT_TEST_CPP_GUARD_H],
-[AT_SETUP([Invalid CPP guards: $1])
-
-# Possibly create inner directories.
-dirname=`AS_DIRNAME([$1])`
-AS_MKDIR_P([$dirname])
-
-AT_DATA([$1.y],
-[%%
-dummy:
-])
-
-AT_CHECK([bison --defines=$1.h $1.y])
-
-# CPP should be happy with it.
-AT_CHECK([$CC -E $1.h], 0, [ignore])
-
-AT_CLEANUP
-])
-
-AT_TEST_CPP_GUARD_H([input/input])
-AT_TEST_CPP_GUARD_H([9foo])
-
-
-

 ## -------------- ##
 ## Web2c Report.  ##
 ## -------------- ##
 ## -------------- ##
 ## Web2c Report.  ##
 ## -------------- ##


@@ -626,6 +354,8 @@ AT_TEST_CPP_GUARD_H([9foo])
 
 AT_SETUP([Web2c Report])
 
 
 AT_SETUP([Web2c Report])
 

+AT_KEYWORDS([report])
+

 AT_DATA([input.y],
 [[%token       undef_id_tok const_id_tok
 
 AT_DATA([input.y],
 [[%token       undef_id_tok const_id_tok
 


@@ -652,20 +382,19 @@ AT_CHECK([bison -v input.y])
 
 AT_CHECK([sed -n 's/  *$//;/^$/!p' input.output], 0,
 [[Grammar
 
 AT_CHECK([sed -n 's/  *$//;/^$/!p' input.output], 0,
 [[Grammar

-  Number, Line, Rule
-    0   6 $axiom -> CONST_DEC_PART $
-    1   6 CONST_DEC_PART -> CONST_DEC_LIST
-    2  10 CONST_DEC_LIST -> CONST_DEC
-    3  12 CONST_DEC_LIST -> CONST_DEC_LIST CONST_DEC
-    4  15 @1 -> /* empty */
-    5  15 CONST_DEC -> @1 undef_id_tok '=' const_id_tok ';'
+    0 $axiom: CONST_DEC_PART $
+    1 CONST_DEC_PART: CONST_DEC_LIST
+    2 CONST_DEC_LIST: CONST_DEC
+    3               | CONST_DEC_LIST CONST_DEC
+    4 @1: /* empty */
+    5 CONST_DEC: @1 undef_id_tok '=' const_id_tok ';'

 Terminals, with rules where they appear
 $ (0) 0
 ';' (59) 5
 '=' (61) 5
 error (256)
 Terminals, with rules where they appear
 $ (0) 0
 ';' (59) 5
 '=' (61) 5
 error (256)

-undef_id_tok (257) 5
-const_id_tok (258) 5
+undef_id_tok (258) 5
+const_id_tok (259) 5

 Nonterminals, with rules where they appear
 $axiom (7)
     on left: 0
 Nonterminals, with rules where they appear
 $axiom (7)
     on left: 0


@@ -678,6 +407,7 @@ CONST_DEC (10)
 @1 (11)
     on left: 4, on right: 5
 state 0
 @1 (11)
     on left: 4, on right: 5
 state 0

+    $axiom  ->  . CONST_DEC_PART $   (rule 0)

     $default   reduce using rule 4 (@1)
     CONST_DEC_PART     go to state 1
     CONST_DEC_LIST     go to state 2
     $default   reduce using rule 4 (@1)
     CONST_DEC_PART     go to state 1
     CONST_DEC_LIST     go to state 2


@@ -746,6 +476,8 @@ AT_CLEANUP
 
 AT_SETUP([Web2c Actions])
 
 
 AT_SETUP([Web2c Actions])
 

+AT_KEYWORDS([report])
+

 AT_DATA([input.y],
 [[%%
 statement:  struct_stat;
 AT_DATA([input.y],
 [[%%
 statement:  struct_stat;


@@ -760,7 +492,7 @@ AT_CHECK([bison -v input.y -o input.c])
 # Check only the tables.  We don't use --no-parser, because it is
 # still to be implemented in the experimental branch of Bison.
 AT_CHECK([[sed -n 's/  *$//;/^static const.*\[\] =/,/^}/p' input.c]], 0,
 # Check only the tables.  We don't use --no-parser, because it is
 # still to be implemented in the experimental branch of Bison.
 AT_CHECK([[sed -n 's/  *$//;/^static const.*\[\] =/,/^}/p' input.c]], 0,

-[[static const char yytranslate[] =
+[[static const unsigned char yytranslate[] =

 {
        0,     2,     2,     2,     2,     2,     2,     2,     2,     2,
        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
 {
        0,     2,     2,     2,     2,     2,     2,     2,     2,     2,
        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,


@@ -787,64 +519,69 @@ AT_CHECK([[sed -n 's/  *$//;/^static const.*\[\] =/,/^}/p' input.c]], 0,
        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,

-       2,     2,     2,     2,     2,     2,     1,     3,     4,     5,
-       6
+       2,     2,     2,     2,     2,     2,     1,     2,     3,     4,
+       5,     6

 };
 };

-static const short yyprhs[] =
+static const unsigned char yyprhs[] =

 {
 {

-       0,     0,     2,     3,     6,    11
+       0,     0,     3,     5,     6,     9,    14

 };
 };

-static const short yyrhs[] =
+static const signed char yyrhs[] =

 {
 {

-       8,     0,     0,     9,    10,     0,     3,     4,     5,     7,
-       0,     6,     7,     0
+       8,     0,    -1,     9,    -1,    -1,    10,    11,    -1,     3,
+       4,     5,     8,    -1,     6,     8,    -1

 };
 };

-static const short yyrline[] =
+static const unsigned char yyrline[] =

 {
 {

-       0,     2,     3,     3,     4,     5
+       0,     2,     2,     3,     3,     4,     5

 };
 static const char *const yytname[] =
 {
   "$", "error", "$undefined.", "\"if\"", "\"const\"", "\"then\"",
 };
 static const char *const yytname[] =
 {
   "$", "error", "$undefined.", "\"if\"", "\"const\"", "\"then\"",

-  "\"else\"", "statement", "struct_stat", "if", "else", NULL
+  "\"else\"", "$axiom", "statement", "struct_stat", "if", "else", 0

 };
 static const short yytoknum[] =
 {
 };
 static const short yytoknum[] =
 {

-       0,   256,     2,   257,   258,   259,   260,    -1
+       0,   256,   257,   258,   259,   260,   261,    -1

 };
 };

-static const short yyr1[] =
+static const unsigned char yyr1[] =

 {
 {

-       0,     7,     8,     8,     9,    10
+       0,     7,     8,     9,     9,    10,    11

 };
 };

-static const short yyr2[] =
+static const unsigned char yyr2[] =

 {
 {

-       0,     1,     0,     2,     4,     2
+       0,     2,     1,     0,     2,     4,     2

 };
 static const short yydefact[] =
 {
 };
 static const short yydefact[] =
 {

-       2,     0,     1,     0,     0,     2,     3,     2,     5,     4,
-       0,     0
+       3,     0,     0,     2,     0,     0,     0,     3,     4,     3,
+       6,     5

 };
 static const short yydefgoto[] =
 {
 };
 static const short yydefgoto[] =
 {

-       8,     2,     3,     6
+      -1,     2,     3,     4,     8

 };
 static const short yypact[] =
 {
 };
 static const short yypact[] =
 {

-      -2,    -1,-32768,    -4,     1,    -2,-32768,    -2,-32768,-32768,
-       4,-32768
+      -2,    -1,     4,-32768,     0,     2,-32768,    -2,-32768,    -2,
+  -32768,-32768

 };
 static const short yypgoto[] =
 {
 };
 static const short yypgoto[] =
 {

-       0,-32768,-32768,-32768
+  -32768,    -7,-32768,-32768,-32768

 };
 static const short yytable[] =
 {
 };
 static const short yytable[] =
 {

-      10,     1,     5,     4,    11,     0,     7,     9
+      10,     1,    11,     5,     6,     0,     7,     9

 };
 static const short yycheck[] =
 {
 };
 static const short yycheck[] =
 {

-       0,     3,     6,     4,     0,    -1,     5,     7
+       7,     3,     9,     4,     0,    -1,     6,     5
+};
+static const unsigned char yystos[] =
+{
+       0,     3,     8,     9,    10,     4,     0,     6,    11,     5,
+       8,     8

 };
 ]])
 
 };
 ]])