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variables: use parse.assert' instead of assert'.

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* TODO (assert): Remove.
	* data/bison.m4 (b4_assert_if): Replace with...
	(b4_parse_assert_if): this.
	* data/lalr1.cc, data/variant.hh, tests/c++.at: Adjust.
	* doc/bison.texinfo (Decl Summary): Document parse.assert.
This commit is contained in:
Akim Demaille
2009-04-14 06:52:31 +02:00
parent fa81950916
commit 0c90a1f5e9
7 changed files with 42 additions and 19 deletions
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9
ChangeLog
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@@ -1,3 +1,12 @@
2009-04-14 Akim Demaille <demaille@gostai.com>
variables: use `parse.assert' instead of `assert'.
* TODO (assert): Remove.
* data/bison.m4 (b4_assert_if): Replace with...
(b4_parse_assert_if): this.
* data/lalr1.cc, data/variant.hh, tests/c++.at: Adjust.
* doc/bison.texinfo (Decl Summary): Document parse.assert.
2009-04-14 Akim Demaille <demaille@gostai.com>
variables: use `parse.assert' instead of `debug'.

2
TODO
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@@ -293,8 +293,6 @@ Are there any Texinfo standards for bibliography?
** %printer
Wow, %printer is not documented. Clearly mark YYPRINT as obsolete.
** %define assert
* Java, Fortran, etc.

6
data/bison.m4
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@@ -677,17 +677,17 @@ m4_define([b4_percent_define_if_define],
b4_percent_define_if_define_([$1], $[1], $[2])])
# b4_assert_if([IF-ASSERTIONS-ARE-USED], [IF-NOT])
# b4_parse_assert_if([IF-ASSERTIONS-ARE-USED], [IF-NOT])
# b4_parse_trace_if([IF-DEBUG-TRACES-ARE-ENABLED], [IF-NOT])
# b4_error_verbose_if([IF-ERRORS-ARE-VERBOSE], [IF-NOT])
# b4_lex_symbol_if([IF-YYLEX-RETURNS-A-COMPLETE-SYMBOL], [IF-NOT])
# b4_variant_if([IF-VARIANT-ARE-USED], [IF-NOT])
# ----------------------------------------------
b4_percent_define_if_define([assert])
b4_percent_define_if_define([parse.trace])
b4_percent_define_if_define([error_verbose])
b4_percent_define_if_define([lex_symbol])
b4_percent_define_if_define([locations]) # Whether locations are tracked.
b4_percent_define_if_define([parse.assert])
b4_percent_define_if_define([parse.trace])
b4_percent_define_if_define([variant])

2
data/lalr1.cc
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@@ -146,7 +146,7 @@ dnl FIXME: This is wrong, we want computed header guards.
]b4_percent_code_get([[requires]])[
]b4_assert_if([#include <cassert>])[
]b4_parse_assert_if([#include <cassert>])[
#include <string>
#include <iostream>
#include "stack.hh"

16
data/variant.hh
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@@ -87,13 +87,13 @@ m4_define([b4_variant_define],
/// via the current state.
template <size_t S>
struct variant
{]b4_assert_if([
{]b4_parse_assert_if([
/// Whether something is contained.
bool built;
])[
/// Empty construction.
inline
variant ()]b4_assert_if([
variant ()]b4_parse_assert_if([
: built (false)])[
{}
@@ -101,7 +101,7 @@ m4_define([b4_variant_define],
template <typename T>
inline T&
build ()
{]b4_assert_if([
{]b4_parse_assert_if([
assert (!built);
built = true;])[
return *new (buffer.raw) T;
@@ -111,7 +111,7 @@ m4_define([b4_variant_define],
template <typename T>
inline T&
build (const T& t)
{]b4_assert_if([
{]b4_parse_assert_if([
assert(!built);
built = true;])[
return *new (buffer.raw) T(t);
@@ -120,7 +120,7 @@ m4_define([b4_variant_define],
/// Construct and fill.
template <typename T>
inline
variant (const T& t)]b4_assert_if([
variant (const T& t)]b4_parse_assert_if([
: built (true)])[
{
new (buffer.raw) T(t);
@@ -130,7 +130,7 @@ m4_define([b4_variant_define],
template <typename T>
inline T&
as ()
{]b4_assert_if([
{]b4_parse_assert_if([
assert (built);])[
return reinterpret_cast<T&>(buffer.raw);
}
@@ -139,7 +139,7 @@ m4_define([b4_variant_define],
template <typename T>
inline const T&
as () const
{]b4_assert_if([
{]b4_parse_assert_if([
assert(built);])[
return reinterpret_cast<const T&>(buffer.raw);
}
@@ -168,7 +168,7 @@ m4_define([b4_variant_define],
inline void
destroy ()
{
as<T>().~T();]b4_assert_if([
as<T>().~T();]b4_parse_assert_if([
built = false;])[
}

16
doc/bison.texinfo
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@@ -5003,6 +5003,22 @@ The parser namespace is @code{foo} and @code{yylex} is referenced as
@end itemize
@c namespace
@item parse.assert
@findex %define parse.assert
@itemize
@item Languages(s): C++
@item Purpose: Issue runtime assertions to catch invalid uses.
In C++, when variants are used, symbols must be constructed and
destroyed properly. This option checks these constraints.
@item Accepted Values: Boolean
@item Default Value: @code{false}
@end itemize
@c parse.assert
@item parse.trace
@findex %define parse.trace

10
tests/c++.at
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@@ -1,5 +1,5 @@
# Checking the output filenames. -*- Autotest -*-
# Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
# Copyright (C) 2004, 2005, 2007, 2008, 2009 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
@@ -196,10 +196,10 @@ AT_CLEANUP
])
AT_CHECK_VARIANTS([])
AT_CHECK_VARIANTS([%define assert])
AT_CHECK_VARIANTS([[%define assert %code {\n#define ONE_STAGE_BUILD\n}]])
AT_CHECK_VARIANTS([[%define assert %define lex_symbol %code {\n#define USE_LEX_SYMBOL\n}]])
AT_CHECK_VARIANTS([[%define assert %define lex_symbol %code {\n#define USE_LEX_SYMBOL\n} %define token.prefix "TOK_"]])
AT_CHECK_VARIANTS([%define parse.assert])
AT_CHECK_VARIANTS([[%define parse.assert %code {\n#define ONE_STAGE_BUILD\n}]])
AT_CHECK_VARIANTS([[%define parse.assert %define lex_symbol %code {\n#define USE_LEX_SYMBOL\n}]])
AT_CHECK_VARIANTS([[%define parse.assert %define lex_symbol %code {\n#define USE_LEX_SYMBOL\n} %define token.prefix "TOK_"]])
## ----------------------- ##