Dlangui can't build x64 example1.exe , because the size_t is ulong on winx64
Hi,everyone, I build the dlangui on win7 x64,use the debug win32,it can get the example1.exe, but use the debug x64,not get the exe file,the error is Error: function pointer FreeImage_OpenMemory (ubyte* data = null, uint size_in_bytes = 0u) is not callable using argument types (ubyte*, ulong) x:\GitHub\dlangui\src\dlangui\graphics\images.d 93 the reason is the function 'FreeImage_OpenMemory', it decalres that 'alias da_FreeImage_OpenMemory = FIMEMORY* function( BYTE* data = null, DWORD size_in_bytes = 0 )' ,but it's args is ulong. if the size_t not change on x64,and add the new 'longlength' maybe a good idea. Many Projects want to move on x64,but must modify the error 'size_t is ulong'. Then stop to do. if the size_t is not change, maybe a good idea. Frank.
Re: Dlangui can't build x64 example1.exe , because the size_t is ulong on winx64
On Saturday, 3 May 2014 at 08:59:40 UTC, FrankLike wrote: Hi,everyone, I build the dlangui on win7 x64,use the debug win32,it can get the example1.exe, but use the debug x64,not get the exe file,the error is Error: function pointer FreeImage_OpenMemory (ubyte* data = null, uint size_in_bytes = 0u) is not callable using argument types (ubyte*, ulong) x:\GitHub\dlangui\src\dlangui\graphics\images.d 93 the reason is the function 'FreeImage_OpenMemory', it decalres that 'alias da_FreeImage_OpenMemory = FIMEMORY* function( BYTE* data = null, DWORD size_in_bytes = 0 )' ,but it's args is ulong. if the size_t not change on x64,and add the new 'longlength' maybe a good idea. Many Projects want to move on x64,but must modify the error 'size_t is ulong'. Then stop to do. if the size_t is not change, maybe a good idea. Frank. Yes size_t is ulong on 64bits and uint of 32bit. Why would you need a new type? If you want it ulong or uint make it so. It should be implicit the conversion between uint and ulong. In the example you gave, I believe you should file a bug report with the developers.
Re: Math-Parser
On Friday, 2 May 2014 at 22:34:48 UTC, Tim Holzschuh via Digitalmars-d-learn wrote: Hi there, I currently try to write a simple math-parser in D. However.. something isn't working and I just can't figure out what's the problem. (I'm relative new to D, and this is my first test to write a parser/lexer) I'm pretty sure it's a simple layer-8-problem, but I always overlook it. While the Lexer seems to work, the Parser just sets _index - 0 (and I don't understand why..). If you would take a look at [1], I'd be very thankful.. Most probably this isn't a wrong use of something D-specific, it's more like I am stuck..^^ Thank you, Tim [1]: https://github.com/tholzschuh/math-parser General suggestions: Don't commit the build ext. files along with source code and in this case they aren't needed. Mono-D can load dub.json straight. As well as the obj/bin directories. With regards to your issues I have a suspicion about it being how your parse the tokens. Within the parser. Without really trying out atleast thats what I'm guessing.
Re: Math-Parser
On 05/03/2014 12:34 AM, Tim Holzschuh via Digitalmars-d-learn wrote:
Most probably this isn't a wrong use of something D-specific
Some of the problems are:
@property Lexer lexer() pure { return _lexer; }
If you change the result of a call to 'lexer' this will not change
'_lexer'. Mark the property 'ref' or get rid of it
if( !previous !token.type == TokenType.end )
popFront();
=
if(!previous token.type != TokenType.end) popFront();
Let me know if you also want hints on how to get the logic right.
Re: Postblit not invokable with MyStruct(MyStruct()); ?
On 05/03/14 01:05, Mark Isaacson via Digitalmars-d-learn wrote:
2) I ran into this issue while attempting to leverage the postblit for
code-reuse. In particular, I have a setup that is similar to:
struct A {
this(B b) { /* Stuff */ }
}
struct B {
}
void foo(T)(T param) {
auto a = A(param);
/* Stuff */
}
unittest {
foo(A()); //Fails
foo(B()); //Succeeds
}
The notion being that A and B are 2 ways to represent the same thing, why not
convert everything to the A format and proceed from there; I figured the
compiler would optimize out the pointless copy when T == A. Alas, as shown in
my unittest, foo fails to accept arguments of type A.
What actually fails is the initialization of 'a'.
Add another
this(A a) { /* Stuff */ }
constructor to the 'A' struct, and it will work.
And, yes, the missing cpctors are a language problem.
artur
ncurses linking(?) problem on Mac OS X
Hi,
I am very new to D, I just started with it a week ago or so, and
I haven't really been using compiled languages before (except for
Java), so I'm pretty confused with the whole thing in general. ;)
I try to use the ncurses library in my project using:
dependencies : {
ncurses : ~master
},
lflags : [-v]
But when I try to compile it, I get the following:
@(#)PROGRAM:ld PROJECT:ld64-236.4
configured to support archs: armv6 armv7 armv7s arm64 i386 x86_64
armv6m armv7m armv7em
Library search paths:
/usr/share/dmd/lib
/usr/lib
/usr/local/lib
Framework search paths:
/Library/Frameworks/
/System/Library/Frameworks/
ld: library not found for -lncursesw
clang: error: linker command failed with exit code 1 (use -v to
see invocation)
--- errorlevel 1
FAIL
.dub/build/application-debug-posix.osx-x86_64-dmd-4349FBA7803F9504BC9BF29263B86A68
text edit executable
Error executing command build: Link command failed with exit code
1
Terminated, exit code: 2
I have no idea where to go from here to be honest. It's probably
something easily fixed for someone even a tiny bit more
experienced.
I would love some help if anyone feels up to it.
Re: Error 42: Symbol Undefined for asserts
The problem I am running in to now is that Xamarin Studio now launches Test.pdb.exe which doesn't seem to do anything at all. Use visual d,it's simple for using pdb.exe
Re: ncurses linking(?) problem on Mac OS X
On 5/3/2014 9:36 PM, Joakim wrote: Terminated, exit code: 2 I have no idea where to go from here to be honest. It's probably something easily fixed for someone even a tiny bit more experienced. I would love some help if anyone feels up to it. Have you actually installed ncurses on your system? https://gist.github.com/cnruby/960344
Re: Error 42: Symbol Undefined for asserts
On Saturday, 3 May 2014 at 13:18:13 UTC, FrankLike wrote: The problem I am running in to now is that Xamarin Studio now launches Test.pdb.exe which doesn't seem to do anything at all. Use visual d,it's simple for using pdb.exe Which isn't really an option, Visual D is for Visual Studio and the express versions of VS don't allow 3rd party extensions. Also I am convinced it has something to do with Mono-D because debugging does work most of the time.
Re: ncurses linking(?) problem on Mac OS X
Have you actually installed ncurses on your system? https://gist.github.com/cnruby/960344 I will try this, but I did a search/info with homebrew and it said it was not recommended because OS X already has ncurses installed by default. Something about conflicts that could possibly occur. I found libncurses.dylib and such already installed in /usr/lib.
Re: ncurses linking(?) problem on Mac OS X
It worked perfecly. I knew I had missed something stupid. :) What confused me was the homebrew warning. Thank you for helping a newbie out. :)
Re: *** GMX Spamverdacht *** Re: Math-Parser
Am 03.05.2014 11:17, schrieb Rikki Cattermole via Digitalmars-d-learn: General suggestions: Don't commit the build ext. files along with source code and in this case they aren't needed. Mono-D can load dub.json straight. As well as the obj/bin directories. Yeah you're right, thank you. (And thank your for the Mono-D, dub thing, didn't know that..) Tim
Re: Math-Parser
Am 03.05.2014 13:29, schrieb Timon Gehr via Digitalmars-d-learn:
@property Lexer lexer() pure { return _lexer; }
If you change the result of a call to 'lexer' this will not change
'_lexer'. Mark the property 'ref' or get rid of it
How did I forget about Lexer being a struct is a value type...?
Thank you!
if( !previous !token.type == TokenType.end )
popFront();
My favourite. *g*
Let me know if you also want hints on how to get the logic right.
Would be very nice!
While 2*2 works, 2+2 throws an Error because the number-method gets an
END-Token instead of a Number-Token (although I'm not sure why).
Thank you,
Tim
Re: Math-Parser
On 05/03/2014 08:20 PM, Tim Holzschuh via Digitalmars-d-learn wrote: Let me know if you also want hints on how to get the logic right. Would be very nice! While 2*2 works, 2+2 throws an Error because the number-method gets an END-Token instead of a Number-Token (although I'm not sure why). Thank you, Tim Get rid of 'revert' and implement the parser in terms of range primitives. (The first thing you do in the while loops should be a popFront().)
Re: Postblit not invokable with MyStruct(MyStruct()); ?
What actually fails is the initialization of 'a'.
Add another
this(A a) { /* Stuff */ }
constructor to the 'A' struct, and it will work.
And, yes, the missing cpctors are a language problem.
artur
Thanks. Yeah, I figured I could do that, I was just hoping that I
could leverage the postblit.
Ultimately my answer to my second question became: Calling the
postblit directly is far too low level, just use std.conv.to
instead. to!A(x) did exactly the right thing (without any
modification of the original classes I think).
Error
I tried the following: dub install derelict but i only received the following error The 'install' Command was renamed to 'fetch'. Please update your scripts. Getting a release version failed: No package derelict was found matching the dependency =0.0.0 Retry with ~master... Fetching derelict ~master... Error executing command install: Couldn't resolve host name on handle D20220 Trying the fetch command leads to the same error. I hope somebody can help me. Thanks, Martin
map!(char)(string) problem
import std.algorithm;
int toInt(char c) { return 1; }
void main()
{
map!(a = toInt(a))(hello);
}
Can someone please explain why I get this:
Bug.d(10): Error: function Bug.toInt (char c) is not callable using
argument types (dchar)
^^^
D:\D\dmd2\windows\bin\..\..\src\phobos\std\algorithm.d(425): Error:
template instance Bug.main.__lambda1!dchar error instantiating
D:\D\dmd2\windows\bin\..\..\src\phobos\std\algorithm.d(411):
instantiated from here: MapResult!(__lambda1, string)
Bug.d(10):instantiated from here: map!string
D:\D\dmd2\windows\bin\..\..\src\phobos\std\algorithm.d(411): Error:
template instance Bug.main.MapResult!(__lambda1, string) error instantiating
Bug.d(10):instantiated from here: map!string
Bug.d(10): Error: template instance Bug.main.map!((a) =
toInt(a)).map!string error instantiating
I thought that string == immutable char[], but this implies that it is
getting inferred as dchar[], I guess.
Dave
Re: map!(char)(string) problem
On Sat, 03 May 2014 14:47:56 -0700
David Held via Digitalmars-d-learn digitalmars-d-learn@puremagic.com
wrote:
import std.algorithm;
int toInt(char c) { return 1; }
void main()
{
map!(a = toInt(a))(hello);
}
Can someone please explain why I get this:
Bug.d(10): Error: function Bug.toInt (char c) is not callable using
argument types (dchar)
^^^
D:\D\dmd2\windows\bin\..\..\src\phobos\std\algorithm.d(425): Error:
template instance Bug.main.__lambda1!dchar error instantiating
D:\D\dmd2\windows\bin\..\..\src\phobos\std\algorithm.d(411):
instantiated from here: MapResult!(__lambda1, string)
Bug.d(10):instantiated from here: map!string
D:\D\dmd2\windows\bin\..\..\src\phobos\std\algorithm.d(411): Error:
template instance Bug.main.MapResult!(__lambda1, string) error
instantiating Bug.d(10):instantiated from here: map!string
Bug.d(10): Error: template instance Bug.main.map!((a) =
toInt(a)).map!string error instantiating
I thought that string == immutable char[], but this implies that it
is getting inferred as dchar[], I guess.
All strings are treated as ranges of dchar by Phobos.
http://stackoverflow.com/questions/12288465
If you really want to operate on strings as ranges of code units rather
than code points, then you need to use std.string.representation and
convert them to the equivalent integral types (e.g. immutable(ubyte)[]).
- Jonathan M Davis
Conversion and Assignment on EnumUnion and EnumChain
I've put up a module https://github.com/nordlow/justd/blob/master/enums.d that provides two type constructors - EnumChain - EnumUnion that can be used to combine names or names-and-values from one or more enums. I would now like to define rules for assignments and implicit conversions with the following checks - Assignment to EnumUnion, EnumChain from its parts is always nothrow. - Assignment from EnumUnion, EnumChain to its parts may throw. to emulate Ada's subtype. Is it currently possible to implement any of these? Also do you think the namings EnumChain and EnumUnion are correct?
