# Named references test. -*- Autotest -*-
-# Copyright (C) 2009 Free Software Foundation, Inc.
+# Copyright (C) 2009-2013 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
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# FIXME: Duplication with calc.at.
AT_BANNER([[Named references tests.]])
AT_SETUP([Tutorial calculator])
-
+AT_BISON_OPTION_PUSHDEFS
AT_DATA_GRAMMAR([test.y],
[[
%{
+#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static semantic_value global_result = 0;
static int global_count = 0;
static int power (int base, int exponent);
-static void yyerror (const char *s);
-int yylex (void);
+]AT_YYERROR_DECLARE[
+]AT_YYLEX_DECLARE[
%}
%union
%token <ival> NUM "number"
%type <ival> exp
-%nonassoc '=' /* comparison */
+%nonassoc '=' /* comparison */
%left '-' '+'
%left '*' '/'
%precedence NEG /* negation--unary minus */
%%
input:
line
-| input line { }
+| input line {}
;
line:
'\n'
-| exp '\n' { }
+| exp '\n' {}
;
exp:
$$ = $l;
}
| exp[x] '+' { $<ival>$ = $x; } [l] exp[r] { $$ = $<ival>l + $r; }
-| exp[l] '-' exp[r] { $$ = $l - $r; }
-| exp[l] '*' exp[r] { $$ = $l * $r; }
+| exp[l] '-' exp[r] { $$ = $l - $r; }
+| exp[l] '*' exp[r] { $$ = $l * $r; }
| exp[l] '/' exp[r] { $$ = $l / $r; }
| '-' exp %prec NEG { $$ = -$2; }
-| exp[l] '^' exp[r] { $$ = power ($l, $r); }
-| '(' exp[e] ')' { $$ = $e; }
+| exp[l] '^' exp[r] { $$ = power ($l, $r); }
+| '(' exp[e] ')' { $$ = $e; }
| '(' error ')' { $$ = 1111; yyerrok; }
| '!' { $$ = 0; YYERROR; }
| '-' error { $$ = 0; YYERROR; }
;
%%
-
-static void yyerror (const char *s)
-{
- fprintf (stderr, "%s\n", s);
-}
-
+]AT_YYERROR_DEFINE[
static int get_char (void)
{
int res = getc (input);
return sign * n;
}
-int yylex (void)
+static int
+yylex (void)
{
int c;
/* Skip white space. */
static int power (int base, int exponent)
{
int res = 1;
- if (exponent < 0)
- exit (3);
+ assert (0 <= exponent);
for (/* Niente */; exponent; --exponent)
res *= base;
return res;
}
status = yyparse ();
fclose (input);
- if (global_result != result)
- abort ();
- if (global_count != count)
- abort ();
+ assert (global_result == result);
+ assert (global_count == count);
return status;
}
]])
(2^2)^3 = 64
]])
-AT_BISON_CHECK([-o test.c test.y])
-AT_COMPILE([[test]])
+AT_FULL_COMPILE([[test]])
AT_PARSER_CHECK([./test input.txt], 0, [], [stderr])
+AT_BISON_OPTION_POPDEFS
AT_CLEANUP
-#######################################################################
+## ------------------------------------ ##
+## Undefined and ambiguous references. ##
+## ------------------------------------ ##
AT_SETUP([Undefined and ambiguous references])
-
+AT_BISON_OPTION_PUSHDEFS
AT_DATA_GRAMMAR([test.y],
[[
%{
static int power (int base, int exponent);
-static void yyerror (const char *s);
-int yylex (void);
+]AT_YYERROR_DECLARE[
+]AT_YYLEX_DECLARE[
%}
%union
%token <ival> NUM "number"
%type <ival> exp
-%nonassoc '=' /* comparison */
+%nonassoc '=' /* comparison */
%left '-' '+'
%left '*' '/'
%precedence NEG /* negation--unary minus */
%%
input:
line
-| input line { }
+| input line {}
;
line:
'\n'
-| exp '\n' { }
+| exp '\n' {}
;
exp:
| exp[x] '*' { $<ival>$ = $x; } [l] exp[r] { $$ = $l * $r; }
| exp[l] '/' exp[r] { $$ = $l / $r; }
| '-' exp %prec NEG { $$ = -$2; }
-| exp[l] '^' exp[r] { $$ = power ($l, $r12); }
+| exp[l] '^' exp[r] { $$ = power ($l, $r12); }
| '(' exp ')' { $$ = $expo; }
| '(' error ')' { $$ = 1111; yyerrok; }
| '!' { $$ = 0; YYERROR; }
%%
]])
-AT_BISON_CHECK([-o test.c test.y], 1, [],
-[[test.y:50.51-60: invalid reference: `$<ival>lo9', symbol not found
-test.y:51.51-60: warning: misleading reference: `$<ival>exp'
-test.y:42.1-3: warning: refers to: $exp at $$
-test.y:51.7: warning: possibly meant: $x, hiding $exp at $1
-test.y:51.41: warning: possibly meant: $r, hiding $exp at $4
-test.y:52.51-52: $l of `exp' has no declared type
-test.y:55.46-49: invalid reference: `$r12', symbol not found
-test.y:56.29-33: invalid reference: `$expo', symbol not found
+AT_BISON_CHECK([-fcaret -o test.c test.y], 1, [],
+[[test.y:52.51-60: error: invalid reference: '$<ival>lo9'
+ | exp[x] '+' { $<ival>$ = $x; } [l] exp[r] { $$ = $<ival>lo9 + $r; }
+ ^^^^^^^^^^
+test.y:52.3-68: symbol not found in production: lo9
+ | exp[x] '+' { $<ival>$ = $x; } [l] exp[r] { $$ = $<ival>lo9 + $r; }
+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+test.y:53.51-60: warning: misleading reference: '$<ival>exp' [-Wother]
+ | exp[x] '-' { $<ival>$ = $x; } [l] exp[r] { $$ = $<ival>exp - $r; }
+ ^^^^^^^^^^
+test.y:44.1-3: refers to: $exp at $$
+ exp:
+ ^^^
+test.y:53.7: possibly meant: $x, hiding $exp at $1
+ | exp[x] '-' { $<ival>$ = $x; } [l] exp[r] { $$ = $<ival>exp - $r; }
+ ^
+test.y:53.41: possibly meant: $r, hiding $exp at $4
+ | exp[x] '-' { $<ival>$ = $x; } [l] exp[r] { $$ = $<ival>exp - $r; }
+ ^
+test.y:54.51-52: error: $l of 'exp' has no declared type
+ | exp[x] '*' { $<ival>$ = $x; } [l] exp[r] { $$ = $l * $r; }
+ ^^
+test.y:57.40-43: error: invalid reference: '$r12'
+ | exp[l] '^' exp[r] { $$ = power ($l, $r12); }
+ ^^^^
+test.y:57.3-47: symbol not found in production: r12
+ | exp[l] '^' exp[r] { $$ = power ($l, $r12); }
+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+test.y:58.29-33: error: invalid reference: '$expo'
+ | '(' exp ')' { $$ = $expo; }
+ ^^^^^
+test.y:58.3-46: symbol not found in production: expo
+ | '(' exp ')' { $$ = $expo; }
+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
]])
+AT_BISON_OPTION_POPDEFS
AT_CLEANUP
-#######################################################################
+
+## ----------------------- ##
+## Misleading references. ##
+## ----------------------- ##
AT_SETUP([Misleading references])
AT_DATA_GRAMMAR([test.y],
foo.bar: '2'
]])
AT_BISON_CHECK([-o test.c test.y], 0, [],
-[[test.y:11.22-29: warning: misleading reference: `$foo.bar'
-test.y:11.8-10: warning: refers to: $foo at $1
-test.y:11.12-18: warning: possibly meant: $[foo.bar] at $2
+[[test.y:11.22-29: warning: misleading reference: '$foo.bar' [-Wother]
+test.y:11.8-10: refers to: $foo at $1
+test.y:11.12-18: possibly meant: $[foo.bar] at $2
]])
AT_CLEANUP
;
]])
AT_BISON_CHECK([-o test.c test.y], 1, [],
-[[test.y:24.36-41: invalid reference: `$cond1', symbol not found
-test.y:26.43-53: invalid reference: `$stmt.field'
-test.y:25.35-38: possibly meant: $then.field, hiding $stmt.field at $4
-test.y:28.43-52: invalid reference: `$stmt.list'
-test.y:27.30-38: possibly meant: $[stmt.list] at $4
-test.y:30.43-46: ambiguous reference: `$xyz'
-test.y:29.35-37: refers to: $xyz at $4
-test.y:29.50-52: refers to: $xyz at $6
-test.y:32.43-52: invalid reference: `$stmt.list'
-test.y:31.40-43: possibly meant: $then, hiding $[stmt.list] at $4
-test.y:31.61-64: possibly meant: $else, hiding $[stmt.list] at $6
-test.y:34.43-58: invalid reference: `$stmt.list.field'
-test.y:33.40-43: possibly meant: $then.field, hiding $[stmt.list].field at $4
-test.y:33.61-64: possibly meant: $else.field, hiding $[stmt.list].field at $6
-test.y:36.43-54: invalid reference: `$[stmt.list]'
-test.y:35.40-43: possibly meant: $then, hiding $[stmt.list] at $4
-test.y:35.61-64: possibly meant: $else, hiding $[stmt.list] at $6
-test.y:38.43-49: invalid reference: `$then.1'
-test.y:37.40-45: possibly meant: $[then.1] at $4
-test.y:40.43-55: invalid reference: `$then.1.field'
-test.y:39.40-45: possibly meant: $[then.1].field at $4
-test.y:42.44-50: invalid reference: `$stmt.x'
-test.y:41.36-41: possibly meant: $[stmt.x].x, hiding $stmt.x at $4
-test.y:41.36-41: possibly meant: $[stmt.x] at $4
-test.y:44.13-22: invalid reference: `$if-stmt-a'
-test.y:43.1-9: possibly meant: $[if-stmt-a] at $$
-test.y:46.46-54: invalid reference: `$then-a.f'
-test.y:45.41-46: possibly meant: $[then-a].f at $4
+[[test.y:24.36-41: error: invalid reference: '$cond1'
+test.y:23.11-24.62: symbol not found in production: cond1
+test.y:26.43-53: error: invalid reference: '$stmt.field'
+test.y:25.11-26.60: symbol not found in production: stmt
+test.y:25.35-38: possibly meant: $then.field, hiding $stmt.field at $4
+test.y:28.43-52: error: invalid reference: '$stmt.list'
+test.y:27.11-28.59: symbol not found in production: stmt
+test.y:27.30-38: possibly meant: $[stmt.list] at $4
+test.y:30.43-46: error: ambiguous reference: '$xyz'
+test.y:29.35-37: refers to: $xyz at $4
+test.y:29.50-52: refers to: $xyz at $6
+test.y:32.43-52: error: invalid reference: '$stmt.list'
+test.y:31.11-32.63: symbol not found in production: stmt
+test.y:31.40-43: possibly meant: $then, hiding $[stmt.list] at $4
+test.y:31.61-64: possibly meant: $else, hiding $[stmt.list] at $6
+test.y:34.43-58: error: invalid reference: '$stmt.list.field'
+test.y:33.11-34.69: symbol not found in production: stmt
+test.y:33.40-43: possibly meant: $then.field, hiding $[stmt.list].field at $4
+test.y:33.61-64: possibly meant: $else.field, hiding $[stmt.list].field at $6
+test.y:36.43-54: error: invalid reference: '$[stmt.list]'
+test.y:35.11-36.71: symbol not found in production: stmt.list
+test.y:35.40-43: possibly meant: $then, hiding $[stmt.list] at $4
+test.y:35.61-64: possibly meant: $else, hiding $[stmt.list] at $6
+test.y:38.43-49: error: invalid reference: '$then.1'
+test.y:37.11-38.60: symbol not found in production: then
+test.y:37.40-45: possibly meant: $[then.1] at $4
+test.y:40.43-55: error: invalid reference: '$then.1.field'
+test.y:39.11-40.66: symbol not found in production: then
+test.y:39.40-45: possibly meant: $[then.1].field at $4
+test.y:42.44-50: error: invalid reference: '$stmt.x'
+test.y:41.12-42.57: symbol not found in production: stmt
+test.y:41.36-41: possibly meant: $[stmt.x].x, hiding $stmt.x at $4
+test.y:41.36-41: possibly meant: $[stmt.x] at $4
+test.y:44.13-22: error: invalid reference: '$if-stmt-a'
+test.y:43.12-44.59: symbol not found in production: if
+test.y:43.1-9: possibly meant: $[if-stmt-a] at $$
+test.y:46.46-54: error: invalid reference: '$then-a.f'
+test.y:45.12-46.65: symbol not found in production: then
+test.y:45.41-46: possibly meant: $[then-a].f at $4
+]])
+
+AT_BISON_CHECK([-fcaret -o test.c test.y], 1, [],
+[[test.y:24.36-41: error: invalid reference: '$cond1'
+ { $if_stmt1 = new IfStmt($cond1, $then.f1, $else); };
+ ^^^^^^
+test.y:23.11-24.62: symbol not found in production: cond1
+ if_stmt1: IF expr[cond] THEN stmt[then] ELSE stmt.list[else] FI
+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+test.y:26.43-53: error: invalid reference: '$stmt.field'
+ { $if_stmt2 = new IfStmt($cond, $stmt.field, 0); };
+ ^^^^^^^^^^^
+test.y:25.11-26.60: symbol not found in production: stmt
+ if_stmt2: IF expr[cond] THEN stmt[then] FI
+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+test.y:25.35-38: possibly meant: $then.field, hiding $stmt.field at $4
+ if_stmt2: IF expr[cond] THEN stmt[then] FI
+ ^^^^
+test.y:28.43-52: error: invalid reference: '$stmt.list'
+ { $if_stmt3 = new IfStmt($cond, $stmt.list, 0); };
+ ^^^^^^^^^^
+test.y:27.11-28.59: symbol not found in production: stmt
+ if_stmt3: IF expr[cond] THEN stmt.list FI
+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+test.y:27.30-38: possibly meant: $[stmt.list] at $4
+ if_stmt3: IF expr[cond] THEN stmt.list FI
+ ^^^^^^^^^
+test.y:30.43-46: error: ambiguous reference: '$xyz'
+ { $if_stmt4 = new IfStmt($cond, $xyz, $cond); };
+ ^^^^
+test.y:29.35-37: refers to: $xyz at $4
+ if_stmt4: IF expr[cond] THEN stmt[xyz] ELSE stmt[xyz] FI
+ ^^^
+test.y:29.50-52: refers to: $xyz at $6
+ if_stmt4: IF expr[cond] THEN stmt[xyz] ELSE stmt[xyz] FI
+ ^^^
+test.y:32.43-52: error: invalid reference: '$stmt.list'
+ { $if_stmt5 = new IfStmt($cond, $stmt.list, $else); };
+ ^^^^^^^^^^
+test.y:31.11-32.63: symbol not found in production: stmt
+ if_stmt5: IF expr[cond] THEN stmt.list[then] ELSE stmt.list[else] FI
+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+test.y:31.40-43: possibly meant: $then, hiding $[stmt.list] at $4
+ if_stmt5: IF expr[cond] THEN stmt.list[then] ELSE stmt.list[else] FI
+ ^^^^
+test.y:31.61-64: possibly meant: $else, hiding $[stmt.list] at $6
+ if_stmt5: IF expr[cond] THEN stmt.list[then] ELSE stmt.list[else] FI
+ ^^^^
+test.y:34.43-58: error: invalid reference: '$stmt.list.field'
+ { $if_stmt6 = new IfStmt($cond, $stmt.list.field, $else); };
+ ^^^^^^^^^^^^^^^^
+test.y:33.11-34.69: symbol not found in production: stmt
+ if_stmt6: IF expr[cond] THEN stmt.list[then] ELSE stmt.list[else] FI
+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+test.y:33.40-43: possibly meant: $then.field, hiding $[stmt.list].field at $4
+ if_stmt6: IF expr[cond] THEN stmt.list[then] ELSE stmt.list[else] FI
+ ^^^^
+test.y:33.61-64: possibly meant: $else.field, hiding $[stmt.list].field at $6
+ if_stmt6: IF expr[cond] THEN stmt.list[then] ELSE stmt.list[else] FI
+ ^^^^
+test.y:36.43-54: error: invalid reference: '$[stmt.list]'
+ { $if_stmt7 = new IfStmt($cond, $[stmt.list].field, $else); };
+ ^^^^^^^^^^^^
+test.y:35.11-36.71: symbol not found in production: stmt.list
+ if_stmt7: IF expr[cond] THEN stmt.list[then] ELSE stmt.list[else] FI
+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+test.y:35.40-43: possibly meant: $then, hiding $[stmt.list] at $4
+ if_stmt7: IF expr[cond] THEN stmt.list[then] ELSE stmt.list[else] FI
+ ^^^^
+test.y:35.61-64: possibly meant: $else, hiding $[stmt.list] at $6
+ if_stmt7: IF expr[cond] THEN stmt.list[then] ELSE stmt.list[else] FI
+ ^^^^
+test.y:38.43-49: error: invalid reference: '$then.1'
+ { $if_stmt8 = new IfStmt($cond, $then.1, $else); };
+ ^^^^^^^
+test.y:37.11-38.60: symbol not found in production: then
+ if_stmt8: IF expr[cond] THEN stmt.list[then.1] ELSE stmt.list[else] FI
+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+test.y:37.40-45: possibly meant: $[then.1] at $4
+ if_stmt8: IF expr[cond] THEN stmt.list[then.1] ELSE stmt.list[else] FI
+ ^^^^^^
+test.y:40.43-55: error: invalid reference: '$then.1.field'
+ { $if_stmt9 = new IfStmt($cond, $then.1.field, $else); };
+ ^^^^^^^^^^^^^
+test.y:39.11-40.66: symbol not found in production: then
+ if_stmt9: IF expr[cond] THEN stmt.list[then.1] ELSE stmt.list[else] FI
+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+test.y:39.40-45: possibly meant: $[then.1].field at $4
+ if_stmt9: IF expr[cond] THEN stmt.list[then.1] ELSE stmt.list[else] FI
+ ^^^^^^
+test.y:42.44-50: error: invalid reference: '$stmt.x'
+ { $if_stmt10 = new IfStmt($cond, $stmt.x, 0); };
+ ^^^^^^^
+test.y:41.12-42.57: symbol not found in production: stmt
+ if_stmt10: IF expr[cond] THEN stmt[stmt.x] FI
+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+test.y:41.36-41: possibly meant: $[stmt.x].x, hiding $stmt.x at $4
+ if_stmt10: IF expr[cond] THEN stmt[stmt.x] FI
+ ^^^^^^
+test.y:41.36-41: possibly meant: $[stmt.x] at $4
+ if_stmt10: IF expr[cond] THEN stmt[stmt.x] FI
+ ^^^^^^
+test.y:44.13-22: error: invalid reference: '$if-stmt-a'
+ { $if-stmt-a = new IfStmt($cond, $then, $else); };
+ ^^^^^^^^^^
+test.y:43.12-44.59: symbol not found in production: if
+ if-stmt-a: IF expr[cond] THEN stmt.list[then] ELSE stmt.list[else] FI
+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+test.y:43.1-9: possibly meant: $[if-stmt-a] at $$
+ if-stmt-a: IF expr[cond] THEN stmt.list[then] ELSE stmt.list[else] FI
+ ^^^^^^^^^
+test.y:46.46-54: error: invalid reference: '$then-a.f'
+ { $[if-stmt-b] = new IfStmt($cond, $then-a.f, $else); };
+ ^^^^^^^^^
+test.y:45.12-46.65: symbol not found in production: then
+ if-stmt-b: IF expr[cond] THEN if-stmt-a[then-a] ELSE stmt.list[else] FI
+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+test.y:45.41-46: possibly meant: $[then-a].f at $4
+ if-stmt-b: IF expr[cond] THEN if-stmt-a[then-a] ELSE stmt.list[else] FI
+ ^^^^^^
]])
+
AT_CLEANUP
#######################################################################
{ s = $foo; }
]])
AT_BISON_CHECK([-o test.c test.y], 1, [],
-[[test.y:11.12: an identifier expected
+[[test.y:11.12: error: an identifier expected
]])
AT_CLEANUP
{ s = $foo; }
]])
AT_BISON_CHECK([-o test.c test.y], 1, [],
-[[test.y:11.15: unexpected identifier in bracketed name: `d'
+[[test.y:11.15: error: unexpected identifier in bracketed name: 'd'
]])
AT_CLEANUP
{ s = $foo; }
]])
AT_BISON_CHECK([-o test.c test.y], 1, [],
-[[test.y:11.25: an identifier expected
+[[test.y:11.25: error: an identifier expected
]])
AT_CLEANUP
AT_DATA_GRAMMAR([test.y],
[[
%%
-start: foo[ /* aaa */ *&-+ ] bar
+start: foo[ % /* aaa */ *&-.+\000\001\002\377 ] bar
{ s = $foo; }
]])
+AT_CHECK([[$PERL -pi -e 's/\\(\d{3})/chr(oct($1))/ge' test.y || exit 77]])
AT_BISON_CHECK([-o test.c test.y], 1, [],
-[[test.y:11.23: invalid character in bracketed name: `*'
-test.y:11.24: invalid character in bracketed name: `&'
-test.y:11.26: invalid character in bracketed name: `+'
+[[test.y:11.13: error: invalid character in bracketed name: '%'
+test.y:11.25-27: error: invalid characters in bracketed name: '*&-'
+test.y:11.29-30: error: invalid characters in bracketed name: '+\0\001\002\377'
]])
AT_CLEANUP
AT_DATA_GRAMMAR([test.y],
[[
%%
-start[a s]: foo
+start[a s]: foo;
]])
AT_BISON_CHECK([-o test.c test.y], 1, [],
-[[test.y:11.9: unexpected identifier in bracketed name: `s'
+[[test.y:11.9: error: unexpected identifier in bracketed name: 's'
+]])
+AT_CLEANUP
+
+#######################################################################
+
+# Bison used to free twice the named ref for "a", since a single copy
+# was used in two rules.
+AT_SETUP([Factored LHS])
+AT_DATA_GRAMMAR([test.y],
+[[
+%%
+start[a]: "foo" | "bar";
+]])
+AT_BISON_CHECK([-o test.c test.y])
+AT_CLEANUP
+
+#######################################################################
+
+AT_SETUP([Unresolved references])
+AT_DATA_GRAMMAR([test.y],
+[[
+%%
+stat:
+ sym_a sym_b { func($sym.field); }
+| sym_a sym_b { func($<aa>sym.field); }
+| sym_a sym_b { func($[sym.field]); }
+| sym_a sym_b { func($<aa>[sym.field]); }
+| sym_a sym_b { func($sym); }
+| sym_a sym_b { func($<aa>sym); }
+| sym_a sym_b { func($[sym]); } sym_a sym_b { func($<aa>[sym]); }
+;
+
+stat1:
+ sym_a sym_b { func($sym-field); }
+| sym_a sym_b { func($<aa>sym-field); }
+| sym_a sym_b { func($[sym-field]); }
+| sym_a sym_b { func($<aa>[sym-field]); }
+| sym_a sym_b { func($sym); }
+| sym_a sym_b { func($<aa>sym); }
+| sym_a sym_b { func($[sym]); } sym_a sym_b { func($<aa>[sym]); }
+;
+
+sym_a: 'a';
+sym_b: 'b';
+]])
+AT_BISON_CHECK([-o test.c test.y], 1, [],
+[[test.y:12.22-31: error: invalid reference: '$sym.field'
+test.y:12.3-35: symbol not found in production: sym
+test.y:13.22-35: error: invalid reference: '$<aa>sym.field'
+test.y:13.3-39: symbol not found in production: sym
+test.y:14.22-33: error: invalid reference: '$[sym.field]'
+test.y:14.3-37: symbol not found in production: sym.field
+test.y:15.22-37: error: invalid reference: '$<aa>[sym.field]'
+test.y:15.3-41: symbol not found in production: sym.field
+test.y:16.22-25: error: invalid reference: '$sym'
+test.y:16.3-29: symbol not found in production: sym
+test.y:17.22-29: error: invalid reference: '$<aa>sym'
+test.y:17.3-33: symbol not found in production: sym
+test.y:18.22-27: error: invalid reference: '$[sym]'
+test.y:18.3-65: symbol not found in production before $3: sym
+test.y:18.52-61: error: invalid reference: '$<aa>[sym]'
+test.y:18.3-65: symbol not found in production: sym
+test.y:22.22-31: error: invalid reference: '$sym-field'
+test.y:22.3-35: symbol not found in production: sym
+test.y:23.22-35: error: invalid reference: '$<aa>sym-field'
+test.y:23.3-39: symbol not found in production: sym
+test.y:24.22-33: error: invalid reference: '$[sym-field]'
+test.y:24.3-37: symbol not found in production: sym-field
+test.y:25.22-37: error: invalid reference: '$<aa>[sym-field]'
+test.y:25.3-41: symbol not found in production: sym-field
+test.y:26.22-25: error: invalid reference: '$sym'
+test.y:26.3-29: symbol not found in production: sym
+test.y:27.22-29: error: invalid reference: '$<aa>sym'
+test.y:27.3-33: symbol not found in production: sym
+test.y:28.22-27: error: invalid reference: '$[sym]'
+test.y:28.3-65: symbol not found in production before $3: sym
+test.y:28.52-61: error: invalid reference: '$<aa>[sym]'
+test.y:28.3-65: symbol not found in production: sym
+]])
+AT_CLEANUP
+
+#######################################################################
+
+AT_SETUP([[$ or @ followed by . or -]])
+AT_DATA([[test.y]],
+[[
+%%
+start:
+ .field { $.field; }
+| 'a' { @.field; }
+;
+.field: ;
+]])
+AT_BISON_CHECK([[test.y]], [[1]], [],
+[[test.y:4.12-18: error: invalid reference: '$.field'
+test.y:4.13: syntax error after '$', expecting integer, letter, '_', '@<:@', or '$'
+test.y:4.3-8: possibly meant: $[.field] at $1
+test.y:5.12-18: error: invalid reference: '@.field'
+test.y:5.13: syntax error after '@', expecting integer, letter, '_', '@<:@', or '$'
+]])
+AT_DATA([[test.y]],
+[[
+%%
+start:
+ 'a' { $-field; }
+| 'b' { @-field; }
+;
+]])
+AT_BISON_CHECK([[test.y]], [[0]], [],
+[[test.y:4.9: warning: stray '$' [-Wother]
+test.y:5.9: warning: stray '@' [-Wother]
]])
AT_CLEANUP
projects / bison.git / blobdiff