[Boost-commit] svn:boost r70486 - sandbox/local/libs/local/example

Subject: [Boost-commit] svn:boost r70486 - sandbox/local/libs/local/example
From: lorcaminiti_at_[hidden]
Date: 2011-03-23 20:05:35

Author: lcaminiti
Date: 2011-03-23 20:05:33 EDT (Wed, 23 Mar 2011)
New Revision: 70486
URL: http://svn.boost.org/trac/boost/changeset/70486

Log:
Fixed all examples.
Added:
   sandbox/local/libs/local/example/add_block_impl.cpp   (contents, props changed)
   sandbox/local/libs/local/example/add_exit_impl.cpp   (contents, props changed)
   sandbox/local/libs/local/example/gcc-access.cpp   (contents, props changed)
   sandbox/local/libs/local/example/gcc-store_va.cpp   (contents, props changed)

Added: sandbox/local/libs/local/example/add_block_impl.cpp
==============================================================================
--- (empty file)
+++ sandbox/local/libs/local/example/add_block_impl.cpp	2011-03-23 20:05:33 EDT (Wed, 23 Mar 2011)
@@ -0,0 +1,35 @@
+
+// Copyright (C) 2009-2011 Lorenzo Caminiti
+// Use, modification, and distribution is subject to the Boost Software
+// License, Version 1.0 (see accompanying file LICENSE_1_0.txt or a
+// copy at http://www.boost.org/LICENSE_1_0.txt).
+
+//[ add_block_impl_cpp
+#include <boost/local/block.hpp>
+#include <iostream>
+#include <cassert>
+
+int main() {
+    double sum = 1975.0;
+
+    // The macro `BOOST_LOCAL_BLOCK( (const bind& sum) )` expands to:
+    void BOOST_LOCAL_FUNCTION_PARAMS( (const bind& sum) )
+
+    // Local block body.
+    {
+        assert(sum == 1975.0); // OK: Complier error if `==` confused with `=`.
+        std::clog << "Asserted summation: " << sum << std::endl;
+
+        return; // Return this local block (and not the enclosing scope).
+        assert(false); // OK: Never executed.
+    }
+
+    // The macro `BOOST_LOCAL_BLOCK_END` expands to (at line 21):
+    BOOST_LOCAL_FUNCTION_NAME(boost_local_auxXblock_function21)
+    // This local function call executes the local block body code.
+    boost_local_auxXblock_function21();
+
+    return 0;
+}
+//]
+

Added: sandbox/local/libs/local/example/add_exit_impl.cpp
==============================================================================
--- (empty file)
+++ sandbox/local/libs/local/example/add_exit_impl.cpp	2011-03-23 20:05:33 EDT (Wed, 23 Mar 2011)
@@ -0,0 +1,38 @@
+
+// Copyright (C) 2009-2011 Lorenzo Caminiti
+// Use, modification, and distribution is subject to the Boost Software
+// License, Version 1.0 (see accompanying file LICENSE_1_0.txt or a
+// copy at http://www.boost.org/LICENSE_1_0.txt).
+
+//[ add_exit_impl_cpp
+#include <boost/local/exit.hpp>
+#include <iostream>
+#include <cassert>
+
+int main() {
+    size_t size = 2;
+    double* nums = new double[size];
+    
+    // The macro `BOOST_LOCAL_EXIT( (const bind& size) (bind nums) )` expands to:
+    void BOOST_LOCAL_FUNCTION_PARAMS( (const bind& size) (bind nums) )
+    
+    // Local exit body.
+    {
+        if (size && nums) delete[] nums;
+        std::clog << "Freed array: " << nums << std::endl;
+
+        return; // Return this local exit (and not the enclosing scope).
+        assert(false); // OK: Never executed.
+    } 
+    
+    // The macro `BOOST_LOCAL_EXIT_END` expands to (at line 22):
+    BOOST_LOCAL_FUNCTION_NAME(boost_local_auxXexitXfunction22)
+    // When this object goes out of scope, its destructor calls the specified
+    // local function which in turn executes the local exit body code.
+    ::boost::local::aux::exit_guard boost_local_auxXexitXguard22(
+            boost_local_auxXexitXfunction22);
+
+    return 0;
+}
+//]
+

Added: sandbox/local/libs/local/example/gcc-access.cpp
==============================================================================
--- (empty file)
+++ sandbox/local/libs/local/example/gcc-access.cpp	2011-03-23 20:05:33 EDT (Wed, 23 Mar 2011)
@@ -0,0 +1,23 @@
+
+//[gcc_access_cpp
+#include <boost/local/function.hpp>
+#include <iostream>
+
+void bar(int* array, int offset, int size) {
+    int BOOST_LOCAL_FUNCTION_PARAMS( (int* array) (int index)
+            (const bind offset) ) {
+        return array[index + offset];
+    } BOOST_LOCAL_FUNCTION_NAME(access)
+
+    for (int i = 0; i < size; ++i) {
+        std::cout << access(array, i) << std::endl;
+    }
+}
+
+int main() {
+    int nums[3] = {1, 2, 3};
+    bar(nums, 0, 3);
+    return 0;
+}
+//]
+

Added: sandbox/local/libs/local/example/gcc-store_va.cpp
==============================================================================
--- (empty file)
+++ sandbox/local/libs/local/example/gcc-store_va.cpp	2011-03-23 20:05:33 EDT (Wed, 23 Mar 2011)
@@ -0,0 +1,22 @@
+
+//[gcc_store_va_cpp
+#include <boost/local/function.hpp>
+
+void intermediate(boost::local::function<void (int, int)> store_func,
+        int size) {
+    store_func(size - 1, -1);
+}
+
+void hack(int* array, int size) {
+    void BOOST_LOCAL_FUNCTION_PARAMS(int index, int value, bind array) {
+        array[index] = value;
+    } BOOST_LOCAL_FUNCTION_NAME(store)
+
+    intermediate(store, size);
+}
+
+int main() {
+    return 0;
+}
+//]
+