%@{
#include <stdio.h> /* For printf, etc. */
#include <math.h> /* For pow, used in the grammar. */
- #include "calc.h" /* Contains definition of `symrec'. */
+ #include "calc.h" /* Contains definition of 'symrec'. */
int yylex (void);
void yyerror (char const *);
%@}
@group
typedef struct symrec symrec;
-/* The symbol table: a chain of `struct symrec'. */
+/* The symbol table: a chain of 'struct symrec'. */
extern symrec *sym_table;
symrec *putsym (char const *, int);
@end group
@group
-/* The symbol table: a chain of `struct symrec'. */
+/* The symbol table: a chain of 'struct symrec'. */
symrec *sym_table;
@end group
#include <stdio.h>
/* WARNING: The following code really belongs
- * in a `%code requires'; see below. */
+ * in a '%code requires'; see below. */
#include "ptypes.h"
#define YYLTYPE YYLTYPE
return 0;
@dots{}
if (c == '+' || c == '-')
- return c; /* Assume token type for `+' is '+'. */
+ return c; /* Assume token type for '+' is '+'. */
@dots{}
return INT; /* Return the type of the token. */
@dots{}
short option. It is followed by a cross key alphabetized by long
option.
-@c Please, keep this ordered as in `bison --help'.
+@c Please, keep this ordered as in 'bison --help'.
@noindent
Operations modes:
@table @option
version. If you have trouble compiling, you should also include a
transcript of the build session, starting with the invocation of
`configure'. Depending on the nature of the bug, you may be asked to
-send additional files as well (such as `config.h' or `config.cache').
+send additional files as well (such as @file{config.h} or @file{config.cache}).
Patches are most welcome, but not required. That is, do not hesitate to
send a bug report just because you cannot provide a fix.
/* Bison depends on libiberty's implementation of bitsets, which
- requires a `libiberty.h' file. This file provides the minimum
+ requires a 'libiberty.h' file. This file provides the minimum
services. */
#ifndef BISON_LIBIBERTY_H_
Timing variables may be pushed onto the stack; elapsed time is
attributed to the topmost timing variable on the stack. When
another variable is pushed on, the previous topmost variable is
- `paused' until the pushed variable is popped back off.
+ 'paused' until the pushed variable is popped back off.
- As a standalone timer, using timevar_start and timevar_stop.
All time elapsed between the two calls is attributed to the
%%
/*
This grammar is made to exercise error recovery.
- "Lines" starting with `(' support error recovery, with
+ "Lines" starting with '(' support error recovery, with
')' as synchronizing token. Lines starting with 'x' can never
be recovered from if in error.
*/
# Syntax errors caught by the parser
# ----------------------------------
-# Exercise the discarding of stack top and input until `error'
+# Exercise the discarding of stack top and input until 'error'
# can be reduced.
#
# '(', 'x', 'x', 'x', 'x', 'x', ')',
# - The %printer and %destructor code generated for $accept would always be
# dead code because $accept is currently never shifted onto the stack.
# - $$ for $accept would always be of type YYSTYPE because it's not possible
-# to declare `%type <field> $accept'. (Also true for $undefined.)
+# to declare '%type <field> $accept'. (Also true for $undefined.)
# - Thus, the compiler might complain that the user code assumes the wrong
# type for $$ since the code might assume the type associated with a
# specific union field, which is especially reasonable in C++ since that
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
-# We need `config.h'.
+# We need 'config.h'.
CPPFLAGS="-I$abs_top_builddir/lib @CPPFLAGS@"
# Don't just check if $POSIXLY_CORRECT is set, as Bash, when launched
AT_SETUP([[Syntactically invalid namespace references]])
AT_TEST([[:foo:bar]], [[-]])
AT_TEST([[foo: :bar]], [[-]])
-# This one is interesting because `[3]' is encoded as `@<:@3@:>@', which
-# contains single occurrences of `:'.
+# This one is interesting because '[3]' is encoded as '@<:@3@:>@', which
+# contains single occurrences of ':'.
AT_TEST([[foo[3]::bar::baz]], [[-]])
AT_TEST([[foo::bar,baz]], [[-]])
AT_TEST([[foo::bar::(baz /* Pacify Emacs ) */]], [[-]])
# _AT_DATA_CALC_Y($1, $2, $3, [BISON-DIRECTIVES])
# -----------------------------------------------
-# Produce `calc.y' and, if %defines was specified, `calc-lex.c' or
-# `calc-lex.cc'.
+# Produce 'calc.y' and, if %defines was specified, 'calc-lex.c' or
+# 'calc-lex.cc'.
#
# Don't call this macro directly, because it contains some occurrences
-# of `$1' etc. which will be interpreted by m4. So you should call it
+# of '$1' etc. which will be interpreted by m4. So you should call it
# with $1, $2, and $3 as arguments, which is what AT_DATA_CALC_Y does.
#
# When %defines is not passed, generate a single self-contained file.
{
]AT_USE_LEX_ARGS[;
]AT_LOCATION_IF([
- /* Wrong when C == `\n'. */
+ /* Wrong when C == '\n'. */
AT_LOC = last_yylloc;
])[
ungetc (c, input);
# AT_DATA_CALC_Y([BISON-OPTIONS])
# -------------------------------
-# Produce `calc.y' and, if %defines was specified, `calc-lex.c' or
-# `calc-lex.cc'.
+# Produce 'calc.y' and, if %defines was specified, 'calc-lex.c' or
+# 'calc-lex.cc'.
m4_define([AT_DATA_CALC_Y],
[_AT_DATA_CALC_Y($[1], $[2], $[3], [$1])
])
# _AT_CHECK_CALC(BISON-OPTIONS, INPUT, [NUM-STDERR-LINES])
# --------------------------------------------------------
-# Run `calc' on INPUT and expect no STDOUT nor STDERR.
+# Run 'calc' on INPUT and expect no STDOUT nor STDERR.
#
-# If BISON-OPTIONS contains `%debug' but not `%glr-parser', then
+# If BISON-OPTIONS contains '%debug' but not '%glr-parser', then
#
# NUM-STDERR-LINES is the number of expected lines on stderr.
# Currently this is ignored, though, since the output format is fluctuating.
# [NUM-STDERR-LINES],
# [VERBOSE-AND-LOCATED-ERROR-MESSAGE])
# ---------------------------------------------------------
-# Run `calc' on INPUT, and expect a `syntax error' message.
+# Run 'calc' on INPUT, and expect a 'syntax error' message.
#
# If INPUT starts with a slash, it is used as absolute input file name,
# otherwise as contents.
# NUM-STDERR-LINES is the number of expected lines on stderr.
# Currently this is ignored, though, since the output format is fluctuating.
#
-# If BISON-OPTIONS contains `%location', then make sure the ERROR-LOCATION
+# If BISON-OPTIONS contains '%location', then make sure the ERROR-LOCATION
# is correctly output on stderr.
#
-# If BISON-OPTIONS contains `%define parse.error verbose', then make sure the
-# IF-YYERROR-VERBOSE message is properly output after `syntax error, '
+# If BISON-OPTIONS contains '%define parse.error verbose', then make sure the
+# IF-YYERROR-VERBOSE message is properly output after 'syntax error, '
# on STDERR.
#
-# If BISON-OPTIONS contains `%debug' but not `%glr', then NUM-STDERR-LINES
+# If BISON-OPTIONS contains '%debug' but not '%glr', then NUM-STDERR-LINES
# is the number of expected lines on stderr.
m4_define([_AT_CHECK_CALC_ERROR],
[m4_bmatch([$3], [^/],
AT_YYERROR_SEES_LOC_IF([],
[[sed 's/^[-0-9.]*: //' expout >at-expout
mv at-expout expout]])
-# 4. If error-verbose is not used, strip the`, unexpected....' part.
+# 4. If error-verbose is not used, strip the', unexpected....' part.
m4_bmatch([$1], [%define parse.error verbose], [],
[[sed 's/syntax error, .*$/syntax error/' expout >at-expout
mv at-expout expout]])
# AT_CHECK_CALC([BISON-OPTIONS])
# ------------------------------
-# Start a testing chunk which compiles `calc' grammar with
+# Start a testing chunk which compiles 'calc' grammar with
# BISON-OPTIONS, and performs several tests over the parser.
m4_define([AT_CHECK_CALC],
[m4_ifval([$2], [m4_fatal([$0: expected a single argument])])
# - (* * *): nothing to pop, a lot to discard
# - (1 + 2 * *): some to pop and discard
#
-# - test the action associated to `error'
+# - test the action associated to 'error'
#
# - check the lookahead that triggers an error is not discarded
# when we enter error recovery. Below, the lookahead causing the
# AT_CHECK_CALC_LALR([BISON-OPTIONS])
# -----------------------------------
-# Start a testing chunk which compiles `calc' grammar with
+# Start a testing chunk which compiles 'calc' grammar with
# BISON-OPTIONS, and performs several tests over the parser.
m4_define([AT_CHECK_CALC_LALR],
[AT_CHECK_CALC($@)])
# AT_CHECK_CALC_GLR([BISON-OPTIONS])
# ----------------------------------
-# Start a testing chunk which compiles `calc' grammar with
+# Start a testing chunk which compiles 'calc' grammar with
# BISON-OPTIONS and %glr-parser, and performs several tests over the parser.
m4_define([AT_CHECK_CALC_GLR],
[AT_CHECK_CALC([%glr-parser] $@)])
# AT_CHECK_CALC_LALR1_CC([BISON-OPTIONS])
# ---------------------------------------
-# Start a testing chunk which compiles `calc' grammar with
+# Start a testing chunk which compiles 'calc' grammar with
# the C++ skeleton, and performs several tests over the parser.
m4_define([AT_CHECK_CALC_LALR1_CC],
[AT_CHECK_CALC([%language "C++"] $@)])
# AT_CHECK_CALC_GLR_CC([BISON-OPTIONS])
# -------------------------------------
-# Start a testing chunk which compiles `calc' grammar with
+# Start a testing chunk which compiles 'calc' grammar with
# the GLR C++ skeleton, and performs several tests over the parser.
m4_define([AT_CHECK_CALC_GLR_CC],
[AT_CHECK_CALC([%language "C++" %glr-parser] $@)])
# $end reduce using rule 3 (num)
# $end [reduce using rule 4 (id)]
#
-# But when `reduce 3' is the default action, we'd produce:
+# But when 'reduce 3' is the default action, we'd produce:
#
# $end [reduce using rule 4 (id)]
# $default reduce using rule 3 (num)
#
# In this precise case (a reduction is masked by the default
-# reduction), we make the `reduce 3' explicit:
+# reduction), we make the 'reduce 3' explicit:
#
# $end reduce using rule 3 (num)
# $end [reduce using rule 4 (id)]
dnl
dnl getline $!(4*0);
dnl
-dnl That is, they shift `*' immediately and make it part of the getline
+dnl That is, they shift '*' immediately and make it part of the getline
dnl argument.
dnl
dnl The grammar below using LALR(1) parses it as a syntax error. So does
dnl GNU AWK 3.0.6, 3.1.0, and 3.1.1. They reduce the full getline expression
-dnl before shifting `*' even though `*' is not a valid lookahead.
+dnl before shifting '*' even though '*' is not a valid lookahead.
dnl
dnl GNU AWK 3.1.2, 3.1.3, 3.1.4, and 3.1.5 parse it as:
dnl
dnl (getline $!4)*0;
dnl
dnl That is, like the other versions of GNU AWK, they reduce the full getline
-dnl expression before shifting `*'. However, because of a different LHS on the
-dnl getline rule, `*' actually is a valid lookahead. Solaris /usr/xpg4/bin/awk
+dnl expression before shifting '*'. However, because of a different LHS on the
+dnl getline rule, '*' actually is a valid lookahead. Solaris /usr/xpg4/bin/awk
dnl and the Open Group awk specification seem to agree:
dnl
dnl http://www.opengroup.org/pubs/online/7908799/xcu/awk.html
dnl
dnl /bin/nawk and /bin/awk on Solaris 10 report it as a syntax error, but they
-dnl don't like even `print $!4;'.
+dnl don't like even 'print $!4;'.
[[LEX_GETLINE, '$', '!', YNUMBER, '*', YNUMBER, ';']],
dnl BISON-STDERR
%left LEFT RIGHT
/* Give attributes that take an optional expression a higher
-precedence than left and right, so that eg `line chop left'
+precedence than left and right, so that eg 'line chop left'
parses properly. */
%left CHOP SOLID DASHED DOTTED UP DOWN FILL COLORED OUTLINED
%left LABEL
/* these need to be lower than '-' */
%left HEIGHT RADIUS WIDTH DIAMETER FROM TO AT THICKNESS
-/* these must have higher precedence than CHOP so that `label %prec CHOP'
+/* these must have higher precedence than CHOP so that 'label %prec CHOP'
works */
%left DOT_N DOT_E DOT_W DOT_S DOT_NE DOT_SE DOT_NW DOT_SW DOT_C
%left DOT_START DOT_END TOP BOTTOM LEFT_CORNER RIGHT_CORNER
int exit_status = yyparse ();
if (parent_rhs_before_value)
{
- fprintf (stderr, "`parent_rhs_before' destructor not called.\n");
+ fprintf (stderr, "'parent_rhs_before' destructor not called.\n");
exit_status = 1;
}
if (merged_value)
{
- fprintf (stderr, "`merged' destructor not called.\n");
+ fprintf (stderr, "'merged' destructor not called.\n");
exit_status = 1;
}
if (parent_rhs_after_value)
{
- fprintf (stderr, "`PARENT_RHS_AFTER' destructor not called.\n");
+ fprintf (stderr, "'PARENT_RHS_AFTER' destructor not called.\n");
exit_status = 1;
}
return exit_status;
int exit_status = yyparse () != 1;
if (parent_rhs_before_value)
{
- fprintf (stderr, "`parent_rhs_before' destructor not called.\n");
+ fprintf (stderr, "'parent_rhs_before' destructor not called.\n");
exit_status = 1;
}
return exit_status;
# AT_CHECK_API_PURE(DECLS, VALUE)
# -------------------------------
-# Make sure Bison reports that `%define api.pure VALUE' is unused when DECLS
+# Make sure Bison reports that '%define api.pure VALUE' is unused when DECLS
# are specified.
m4_define([AT_CHECK_API_PURE],
[
# _AT_DATA_JAVA_CALC_Y($1, $2, $3, [BISON-DIRECTIVES])
# ----------------------------------------------------
-# Produce `calc.y'. Don't call this macro directly, because it contains
-# some occurrences of `$1' etc. which will be interpreted by m4. So
+# Produce 'calc.y'. Don't call this macro directly, because it contains
+# some occurrences of '$1' etc. which will be interpreted by m4. So
# you should call it with $1, $2, and $3 as arguments, which is what
# AT_DATA_JAVA_CALC_Y does.
m4_define([_AT_DATA_JAVA_CALC_Y],
# AT_DATA_CALC_Y([BISON-OPTIONS])
# -------------------------------
-# Produce `calc.y'.
+# Produce 'calc.y'.
m4_define([AT_DATA_JAVA_CALC_Y],
[_AT_DATA_JAVA_CALC_Y($[1], $[2], $[3], [$1])
])
# _AT_CHECK_JAVA_CALC_ERROR(BISON-OPTIONS, INPUT,
# [VERBOSE-AND-LOCATED-ERROR-MESSAGE])
# --------------------------------------------------------------
-# Run `calc' on INPUT, and expect a `syntax error' message.
+# Run 'calc' on INPUT, and expect a 'syntax error' message.
#
# If INPUT starts with a slash, it is used as absolute input file name,
# otherwise as contents.
AT_YYERROR_SEES_LOC_IF([],
[[sed 's/^[-0-9.]*: //' expout >at-expout
mv at-expout expout]])
-# 3. If error-verbose is not used, strip the`, unexpected....' part.
+# 3. If error-verbose is not used, strip the', unexpected....' part.
m4_bmatch([$1], [%error-verbose], [],
[[sed 's/syntax error, .*$/syntax error/' expout >at-expout
mv at-expout expout]])
# _AT_CHECK_JAVA_CALC([BISON-DIRECTIVES], [BISON-CODE])
# -----------------------------------------------------
-# Start a testing chunk which compiles `calc' grammar with
+# Start a testing chunk which compiles 'calc' grammar with
# BISON-DIRECTIVES, and performs several tests over the parser.
m4_define([_AT_CHECK_JAVA_CALC],
[# We use integers to avoid dependencies upon the precision of doubles.
# - (* * *): nothing to pop, a lot to discard
# - (1 + 2 * *): some to pop and discard
#
-# - test the action associated to `error'
+# - test the action associated to 'error'
#
# - check the lookahead that triggers an error is not discarded
# when we enter error recovery. Below, the lookahead causing the
# AT_CHECK_JAVA_CALC([BISON-DIRECTIVES])
# --------------------------------------
-# Start a testing chunk which compiles `calc' grammar with
+# Start a testing chunk which compiles 'calc' grammar with
# BISON-DIRECTIVES, and performs several tests over the parser.
# Run the test with and without %error-verbose.
m4_define([AT_CHECK_JAVA_CALC],
# _AT_BISON_OPTION_PUSHDEFS($1, $2, [BISON-OPTIONS])
# --------------------------------------------------
# This macro works around the impossibility to define macros
-# inside macros, because issuing `[$1]' is not possible in M4 :(.
+# inside macros, because issuing '[$1]' is not possible in M4 :(.
# This sucks hard, GNU M4 should really provide M5-like $$1.
m4_define([_AT_BISON_OPTION_PUSHDEFS],
[m4_if([$1$2], $[1]$[2], [],
# High-level routine that may call bison several times, under different
# conditions.
#
-# Check Bison by invoking `bison BISON_ARGS'. BISON_ARGS should not contain
+# Check Bison by invoking 'bison BISON_ARGS'. BISON_ARGS should not contain
# shell constructs (such as redirection or pipes) that would prevent
# appending additional command-line arguments for bison. OTHER_AT_CHECK_ARGS
# are the usual remaining arguments to AT_CHECK: STATUS, STDOUT, etc.
# AT_PARSER_CHECK(COMMAND, EXIT-STATUS, EXPOUT, EXPERR, [PRE])
# ------------------------------------------------------------
-# So that we can run `./testsuite PREPARSER='valgrind -q' for instance.
+# So that we can run './testsuite PREPARSER='valgrind -q' for instance.
#
# Get rid of spurious messages when compiled with --coverage:
# +profiling:/[...]/lib/fprintf.gcda:Merge mismatch for summaries
# that Bison exits with value 0, has no stdout, and has stderr
# BISON-STDERR.
#
-# If TEST-SPEC contains the attribute `last-state', check that the value
+# If TEST-SPEC contains the attribute 'last-state', check that the value
# of TABLES-OR-LAST-STATE is the index of the last state generated for
# the grammar; in other words, check the number of states (minus one).
-# Otherwise, check that everything in the `.output' file starting with
+# Otherwise, check that everything in the '.output' file starting with
# the definition of state 0 is the same as the entire value of
# TABLES-OR-LAST-STATE.
#
# Expand the M4 in OTHER-CHECKS to perform additional checks of the
-# `.output' file, which is named `input.output', and/or grammar file,
-# which is named `input.y'.
+# '.output' file, which is named 'input.output', and/or grammar file,
+# which is named 'input.y'.
#
# Finally, compile the generated parser and then run it using
# AT_PARSER_CHECK with PARSER-EXIT-VALUE, PARSER-STDOUT, and
## Broken Closure. ##
## ---------------- ##
-# TC was once broken during a massive `simplification' of the code.
+# TC was once broken during a massive 'simplification' of the code.
# It resulted in bison dumping core on the following grammar (the
# computation of FIRSTS uses TC). It managed to produce a pretty
# exotic closure:
# In some weird cases Bison could compute an incorrect final state
# number. This happens only if the $end token is used in the user
# grammar, which is a very suspicious accidental feature introduced as
-# a side effect of allowing the user to name $end using `%token END 0
+# a side effect of allowing the user to name $end using '%token END 0
# "end of file"'.
AT_SETUP([Accept])
# --------------------------
# Compile FILE expecting an error, and save in the file stdout the
# normalized output. Ignore the exit status, since some compilers
-# (e.g. c89 on IRIX 6.5) trigger warnings on `#error', instead of
+# (e.g. c89 on IRIX 6.5) trigger warnings on '#error', instead of
# errors.
m4_define([AT_SYNCLINES_COMPILE],
[AT_CHECK([$CC $CFLAGS $CPPFLAGS -c $1], [ignore], [], [stderr])
projects / bison.git / commitdiff
