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Subject: [Boost-commit] svn:boost r76480 - in branches/release: . boost boost/algorithm/string boost/algorithm/string/detail boost/archive boost/bimap boost/config boost/date_time boost/date_time/posix_time boost/detail boost/dynamic_bitset boost/filesystem boost/function boost/functional boost/fusion boost/geometry boost/geometry/algorithms boost/geometry/arithmetic boost/geometry/core boost/geometry/domains boost/geometry/geometries boost/geometry/io boost/geometry/io/dsv boost/geometry/iterators boost/geometry/multi boost/geometry/policies boost/geometry/strategies boost/geometry/util boost/geometry/views boost/gil boost/graph boost/heap boost/icl boost/integer boost/interprocess boost/intrusive boost/io boost/iostreams boost/iterator boost/locale boost/math boost/msm boost/msm/back boost/msm/front boost/msm/front/detail boost/msm/front/euml boost/msm/mpl_graph boost/numeric/ublas boost/pool boost/preprocessor boost/program_options boost/program_options/detail boost/property_tree boost/python boost/range boost/regex boost/serialization boost/signals boost/signals2 boost/spirit boost/spirit/home boost/spirit/home/karma boost/spirit/home/support boost/statechart boost/system boost/thread boost/tr1 boost/type_traits boost/typeof boost/unordered boost/utility boost/uuid boost/variant boost/wave boost/xpressive doc libs libs/algorithm/minmax libs/algorithm/string libs/algorithm/string/doc libs/array libs/array/test libs/bimap libs/config libs/date_time libs/date_time/data libs/date_time/example/gregorian libs/date_time/example/local_time libs/date_time/example/posix_time libs/date_time/example/tutorial libs/date_time/test/posix_time libs/date_time/xmldoc libs/detail libs/filesystem libs/function libs/functional libs/fusion libs/geometry libs/geometry/doc libs/geometry/doc/concept libs/geometry/doc/doxy libs/geometry/doc/generated libs/geometry/doc/html libs/geometry/doc/reference libs/geometry/doc/src libs/geometry/example libs/geometry/test libs/graph/doc libs/graph_parallel libs/heap libs/icl libs/icl/doc libs/icl/doc/html libs/icl/doc/html/header/boost/icl libs/icl/test libs/icl/test/test_doc_code_ libs/integer libs/interprocess libs/intrusive libs/io libs/io/doc libs/iostreams libs/iterator libs/locale libs/locale/src libs/math libs/math/doc/sf_and_dist libs/math/doc/sf_and_dist/html/math_toolkit/main_overview libs/math/test libs/mpi/build libs/mpl/doc/refmanual libs/mpl/doc/src/refmanual libs/msm libs/numeric/ublas libs/numeric/ublas/doc libs/parameter/doc/html libs/phoenix/doc libs/phoenix/doc/examples libs/pool libs/preprocessor libs/program_options libs/program_options/test libs/property_tree libs/proto/doc libs/proto/doc/reference libs/python libs/range libs/regex libs/serialization libs/serialization/example libs/serialization/src libs/serialization/test libs/signals libs/signals2 libs/signals2/doc libs/spirit libs/spirit/classic/example libs/spirit/doc libs/spirit/example libs/spirit/phoenix libs/spirit/test libs/spirit/test/qi libs/statechart libs/static_assert libs/system libs/thread libs/thread/test libs/timer libs/tr1 libs/type_traits libs/typeof/doc libs/unordered libs/utility libs/utility/swap/test libs/uuid libs/wave more status tools tools/bcp tools/boostbook tools/build/v2 tools/build/v2/tools tools/inspect tools/quickbook tools/regression tools/regression/src tools/release tools/wave
From: eric_at_[hidden]
Date: 2012-01-14 00:21:14
Author: eric_niebler
Date: 2012-01-14 00:21:11 EST (Sat, 14 Jan 2012)
New Revision: 76480
URL: http://svn.boost.org/trac/boost/changeset/76480
Log:
merge [76479] from trunk
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Text files modified:
branches/release/libs/proto/doc/back_end.qbk | 2 +-
branches/release/libs/proto/doc/front_end.qbk | 16 ++++++++--------
branches/release/libs/proto/doc/reference/extends.xml | 7 ++++---
3 files changed, 13 insertions(+), 12 deletions(-)
Modified: branches/release/libs/proto/doc/back_end.qbk
==============================================================================
--- branches/release/libs/proto/doc/back_end.qbk (original)
+++ branches/release/libs/proto/doc/back_end.qbk 2012-01-14 00:21:11 EST (Sat, 14 Jan 2012)
@@ -1322,7 +1322,7 @@
std::cout << "caught division by zero!\n";
}
-The above code demonstrates how a single grammar can be used with different transforms specified externally. This makes it possibly to reuse a grammar to drive several different computations.
+The above code demonstrates how a single grammar can be used with different transforms specified externally. This makes it possible to reuse a grammar to drive several different computations.
[endsect]
Modified: branches/release/libs/proto/doc/front_end.qbk
==============================================================================
--- branches/release/libs/proto/doc/front_end.qbk (original)
+++ branches/release/libs/proto/doc/front_end.qbk 2012-01-14 00:21:11 EST (Sat, 14 Jan 2012)
@@ -748,7 +748,7 @@
[note This is an advanced topic. Feel free to skip this if you're just getting started with Proto.]
-The ability to /compose/ different EDSLs is one of their most exciting features. Consider how you build a parser using yacc. You write your grammar rules in yacc's domain-specific language. Then you embed semantic actions written in C within your grammar. Boost's Spirit parser generator gives you the same ability. You write grammar rules using Spirit.Qi and embed semantic actions using the Phoenix library. Phoenix and Spirit are both Proto-based domain-specific languages with their own distinct syntax and semantics. But you can freely embed Phoenix expressions within Spirit expressions. This section describes Proto's /sub-domain/ feature that lets you define famalies of interoperable domains.
+The ability to /compose/ different EDSLs is one of their most exciting features. Consider how you build a parser using yacc. You write your grammar rules in yacc's domain-specific language. Then you embed semantic actions written in C within your grammar. Boost's Spirit parser generator gives you the same ability. You write grammar rules using Spirit.Qi and embed semantic actions using the Phoenix library. Phoenix and Spirit are both Proto-based domain-specific languages with their own distinct syntax and semantics. But you can freely embed Phoenix expressions within Spirit expressions. This section describes Proto's /sub-domain/ feature that lets you define families of interoperable domains.
[/======================]
[heading Dueling Domains]
@@ -767,7 +767,7 @@
struct spirit_domain : proto::domain<proto::generator<spirit_expr> > {};
struct phoenix_domain : proto::domain<proto::generator<phoenix_expr> > {};
- // Implement the two expresison wrappers
+ // Implement the two expression wrappers
template<typename E>
struct spirit_expr
: proto::extends<E, spirit_expr<E>, spirit_domain>
@@ -787,7 +787,7 @@
proto::literal<int, spirit_domain> sp(0);
proto::literal<int, phoenix_domain> phx(0);
- // Whoops! What does it mean to add two expression in different domains?
+ // Whoops! What does it mean to add two expressions in different domains?
sp + phx; // ERROR
}
@@ -795,7 +795,7 @@
[def __spirit_domain__ [*spirit_domain]]
- // Declare that phoenix_domain is a sub-somain of spirit_domain
+ // Declare that phoenix_domain is a sub-domain of spirit_domain
struct phoenix_domain
: proto::domain<proto::generator<phoenix_expr>, proto::_, __spirit_domain__>
{};
@@ -808,7 +808,7 @@
[heading Domain Resolution]
[/------------------------]
-When there are multiple domains in play within a given expression, Proto uses some rules to figure out which domain "wins". The rules are loosly modeled on the rules for C++ inheritance. `Phoenix_domain` is a sub-domain of `spirit_domain`. You can liken that to a derived/base relationship that gives Phoenix expressions a kind of implicit conversion to Spirit expressions. And since Phoenix expressions can be "converted" to Spirit expressions, they can be freely combined with Spirit expressions and the result is a Spirit expression.
+When there are multiple domains in play within a given expression, Proto uses some rules to figure out which domain "wins". The rules are loosely modeled on the rules for C++ inheritance. `Phoenix_domain` is a sub-domain of `spirit_domain`. You can liken that to a derived/base relationship that gives Phoenix expressions a kind of implicit conversion to Spirit expressions. And since Phoenix expressions can be "converted" to Spirit expressions, they can be freely combined with Spirit expressions and the result is a Spirit expression.
[note Super- and sub-domains are not actually implemented using inheritance. This is only a helpful mental model.]
@@ -828,11 +828,11 @@
sp + 1;
}
-In light of the above discussion about sub-domains, one could think of `proto::default_domain` as a sub-domain of /every other domain/. Expressions in the default domain have a kind of implicit conversion to every other domain type. That's exactly how Proto sees it! What's more, you can define your domain to be a sub-domain of the default domain. In so doing, you give expression in your domain conversions to expressions in every other domain. This is like a "free love" domain, because it will freely mix with all other domains.
+Expressions in the default domain (or non-expressions like [^1]) have a kind of implicit conversion to expressions every other domain type. What's more, you can define your domain to be a sub-domain of the default domain. In so doing, you give expressions in your domain conversions to expressions in every other domain. This is like a ["free love] domain, because it will freely mix with all other domains.
-Let's think again about the Phoenix EDSL. Since it provides generally useful lambda functionionality, it's reasonable to assume that lots of other EDSLs besides Spirit might want the ability to embed Phoenix expressions. In other words, `phoenix_domain` should be a sub-domain of `proto::default_domain`, not `spirit_domain`:
+Let's think again about the Phoenix EDSL. Since it provides generally useful lambda functionality, it's reasonable to assume that lots of other EDSLs besides Spirit might want the ability to embed Phoenix expressions. In other words, `phoenix_domain` should be a sub-domain of `proto::default_domain`, not `spirit_domain`:
- // Declare that phoenix_domain is a sub-somain of proto::default_domain
+ // Declare that phoenix_domain is a sub-domain of proto::default_domain
struct phoenix_domain
: proto::domain<proto::generator<phoenix_expr>, proto::_, proto::default_domain>
{};
Modified: branches/release/libs/proto/doc/reference/extends.xml
==============================================================================
--- branches/release/libs/proto/doc/reference/extends.xml (original)
+++ branches/release/libs/proto/doc/reference/extends.xml 2012-01-14 00:21:11 EST (Sat, 14 Jan 2012)
@@ -79,12 +79,10 @@
, my_domain // The domain associated with this expression extension
>
{
- typedef proto::extends< Expr, my_expr< Expr >, my_domain > base_type;
-
// An expression extension is constructed from the expression
// it is extending.
my_expr( Expr const & e = Expr() )
- : base_type( e )
+ : my_expr::proto_extends( e )
{}
// Unhide proto::extends::operator=
@@ -134,6 +132,9 @@
<typedef name="proto_derived_expr">
<type>Derived</type>
</typedef>
+ <typedef name="proto_extends">
+ <type>extends</type>
+ </typedef>
<typedef name="proto_tag">
<type>typename proto_base_expr::proto_tag</type>
</typedef>
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