conservatory
/
elk
4
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

* Updated examples (compilation flags, coding style) 

git-svn-id: svn://svn.zoy.org/elk/trunk@69 55e467fa-43c5-0310-a8a2-de718669efc6
This commit is contained in:
sam 2003-09-02 23:23:17 +00:00
parent 230f3fc843
commit af3ee62078
2 changed files with 9 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
examples/c++/class.cpp
View File

@ -9,7 +9,7 @@ See constructor.cpp in this directory for compilation instructions.
Here is a transcript showing a test run under Linux using the Here is a transcript showing a test run under Linux using the
GNU g++ compiler: GNU g++ compiler:
% g++ -shared -fPIC -I/usr/include/elk class.cpp -o class.so -lelk % g++ -shared -fPIC class.cpp -o class.so -lelk
% %
% scheme % scheme
> (load 'class.so) > (load 'class.so)
@ -45,7 +45,7 @@ void foo::write_val(int newval) {
/* ---------------------------------- */ /* ---------------------------------- */
#include "scheme.h" #include <elk/scheme.h>
struct S_Foo { struct S_Foo {
Object tag; class foo foo; Object tag; class foo foo;

12
examples/c++/constructor.cpp
View File

@ -5,11 +5,11 @@ are invoked by Elk when loading a compiled C++ file (when exiting).
o Compile the shared object, for instance: o Compile the shared object, for instance:
CC -pic -shared -I/usr/elk/include constructor.cpp -o constructor.so -lelk CC -pic -shared constructor.cpp -o constructor.so -lelk
or: or:
g++ -fPIC -shared -I/usr/include/elk constructor.ppc -o constructor.so -lelk g++ -fPIC -shared constructor.ppc -o constructor.so -lelk
o Now "(load 'constructor.so)", observe the "invoking constructor" message, o Now "(load 'constructor.so)", observe the "invoking constructor" message,
and evaluate "(test)", which should return 3. Terminate the interpreter and evaluate "(test)", which should return 3. Terminate the interpreter
@ -28,7 +28,7 @@ o If static constructors don't get called when loading compiled C++ files,
your C++ compiler is probably using a naming convention for static your C++ compiler is probably using a naming convention for static
constructors and destructors that is not anticipated by the current constructors and destructors that is not anticipated by the current
version of Elk. version of Elk.
In this case, you may want to find out what kind of names are used In this case, you may want to find out what kind of names are used
(by applying "nm" to an object file) and add the name prefixes to (by applying "nm" to an object file) and add the name prefixes to
the Init_Prefixes and Finit_Prefixes lists in src/stab.c in the Elk the Init_Prefixes and Finit_Prefixes lists in src/stab.c in the Elk
@ -36,7 +36,7 @@ o If static constructors don't get called when loading compiled C++ files,
----------------------------------------------------------------------*/ ----------------------------------------------------------------------*/
#include "scheme.h" #include <elk/scheme.h>
#include <iostream> #include <iostream>
@ -47,7 +47,9 @@ public:
std::cerr << "[invoking constructor]" << std::endl; std::cerr << "[invoking constructor]" << std::endl;
i = 3; i = 3;
} }
~C() { std::cerr << "[invoking destructor]" << std::endl; } ~C() {
std::cerr << "[invoking destructor]" << std::endl;
}
}; };
C c; C c;