www.digitalmars.com         C & C++   DMDScript  

D.gnu - getopt errors

reply Sebastiaan Koppe <mail skoppe.eu> writes:
This code:

	bool time;
	string fileIn;
	string fileOut;

	auto helpInformation = getopt(
		args,
		"time", "Show timing information", &time,
		"i|input", "Input file (defaults to stdin)", &fileIn,
		"o|output", "Output file (defaults to stdout)", &fileOut
	);

	if (helpInformation.helpWanted)
	{
		defaultGetoptPrinter("ECMAScript 5 
minifier.\n\nUsage:\t"~baseName(args[0])~" 
[OPTIONS]\n\nOptions:\n", helpInformation.options);
		return 1;
	}

on gdc 5.3.0-1 Gives me:

/usr/include/dlang/gdc/std/getopt.d:547:36: error: cannot modify 
immutable expression *cast(immutable(char)*)receiver
                  if (incremental) ++*receiver;
                                     ^
/usr/include/dlang/gdc/std/getopt.d:548:22: error: cannot modify 
immutable expression *cast(immutable(char)*)receiver
                  else *receiver = to!(typeof(*receiver))(val);
                       ^
/usr/include/dlang/gdc/std/getopt.d:441:25: error: template 
instance std.getopt.handleOption!string error instantiating
              handleOption(option, receiver, args, cfg, 
incremental);
                          ^
/usr/include/dlang/gdc/std/getopt.d:392:22: note: instantiated 
from here: getoptImpl!(string, string, bool*, string, string, 
string*, string, string, string*)
      return getoptImpl(args, cfg, opts);
                       ^
source/app.d:24:31: note: instantiated from here: getopt!(string, 
string, bool*, string, string, string*, string, string, string*)
   auto helpInformation = getopt(
                                ^
/usr/include/dlang/gdc/std/getopt.d:433:33: error: array index 
[1] is outside array bounds [0 .. 1]
              auto receiver = opts[1];
                                  ^
/usr/include/dlang/gdc/std/getopt.d:442:46: error: string slice 
[2 .. 1] is out of bounds
              return getoptImpl(args, cfg, opts[2 .. $]);
                                               ^
/usr/include/dlang/gdc/std/getopt.d:442:13: error: cannot return 
non-void from void function
              return getoptImpl(args, cfg, opts[2 .. $]);
              ^
/usr/include/dlang/gdc/std/getopt.d:442:30: error: template 
instance std.getopt.getoptImpl!(string*) error instantiating
              return getoptImpl(args, cfg, opts[2 .. $]);
                               ^
/usr/include/dlang/gdc/std/getopt.d:442:30: note: instantiated 
from here: getoptImpl!(string, string, string*)
              return getoptImpl(args, cfg, opts[2 .. $]);
                               ^
/usr/include/dlang/gdc/std/getopt.d:442:30: note: instantiated 
from here: getoptImpl!(string, string*, string, string, string*)
              return getoptImpl(args, cfg, opts[2 .. $]);
                               ^
/usr/include/dlang/gdc/std/getopt.d:442:30: note: instantiated 
from here: getoptImpl!(bool*, string, string, string*, string, 
string, string*)
              return getoptImpl(args, cfg, opts[2 .. $]);
                               ^
/usr/include/dlang/gdc/std/getopt.d:392:22: note: instantiated 
from here: getoptImpl!(string, string, bool*, string, string, 
string*, string, string, string*)
      return getoptImpl(args, cfg, opts);
                       ^
source/app.d:24:31: note: instantiated from here: getopt!(string, 
string, bool*, string, string, string*, string, string, string*)
   auto helpInformation = getopt(
                                ^
/usr/include/dlang/gdc/std/getopt.d:442:13: error: cannot return 
non-void from void function
              return getoptImpl(args, cfg, opts[2 .. $]);
              ^
/usr/include/dlang/gdc/std/getopt.d:442:13: error: cannot return 
non-void from void function
              return getoptImpl(args, cfg, opts[2 .. $]);
              ^
/usr/include/dlang/gdc/std/getopt.d:442:13: error: cannot return 
non-void from void function
              return getoptImpl(args, cfg, opts[2 .. $]);
              ^
/usr/include/dlang/gdc/std/getopt.d:442:13: error: cannot return 
non-void from void function
              return getoptImpl(args, cfg, opts[2 .. $]);
              ^
/usr/include/dlang/gdc/std/getopt.d:392:5: error: cannot return 
non-void from void function
      return getoptImpl(args, cfg, opts);
      ^
source/app.d:33:3: error: undefined identifier 
defaultGetoptPrinter
    defaultGetoptPrinter("ECMAScript 5 
minifier.\n\nUsage:\t"~baseName(args[0])~" 
[OPTIONS]\n\nOptions:\n", helpInformation.options);
    ^
Jan 21
parent reply Johannes Pfau <nospam example.com> writes:
Am Thu, 21 Jan 2016 12:06:18 +0000
schrieb Sebastiaan Koppe <mail skoppe.eu>:

 This code:
 
 	bool time;
 	string fileIn;
 	string fileOut;
 
 	auto helpInformation = getopt(
 		args,
 		"time", "Show timing information", &time,
 		"i|input", "Input file (defaults to stdin)", &fileIn,
 		"o|output", "Output file (defaults to stdout)",
 &fileOut );
 
 	if (helpInformation.helpWanted)
 	{
 		defaultGetoptPrinter("ECMAScript 5 
 minifier.\n\nUsage:\t"~baseName(args[0])~" 
 [OPTIONS]\n\nOptions:\n", helpInformation.options);
 		return 1;
 	}
 
defaultGetoptPrinter is not yet available in the phobos version used by GDC. GDC uses phobos version 2.066, defaultGetoptPrinter was added in 2.067.
Jan 22
parent reply Sebastiaan Koppe <mail skoppe.eu> writes:
On Friday, 22 January 2016 at 10:06:01 UTC, Johannes Pfau wrote:
 defaultGetoptPrinter is not yet available in the phobos version 
 used by GDC. GDC uses phobos version 2.066, 
 defaultGetoptPrinter was added in 2.067.
Thanks. I never know which version of this supports which version of that. Any easy way of checking this? I mean, how can I tell that gdc 5.3.0-1 supports phobos 2.066? I reckon other people run into these errors as well, and it would be nice if there was a way of checking whether a function is supported in gdc/ldc x.x.x Hmm. Sounds like a nice project with git, libdparse and vibe. What about the other errors though?
Jan 22
parent reply Johannes Pfau <nospam example.com> writes:
Am Fri, 22 Jan 2016 11:32:30 +0000
schrieb Sebastiaan Koppe <mail skoppe.eu>:

 On Friday, 22 January 2016 at 10:06:01 UTC, Johannes Pfau wrote:
 defaultGetoptPrinter is not yet available in the phobos version 
 used by GDC. GDC uses phobos version 2.066, 
 defaultGetoptPrinter was added in 2.067.  
Thanks. I never know which version of this supports which version of that. Any easy way of checking this? I mean, how can I tell that gdc 5.3.0-1 supports phobos 2.066?
The best way is running this code snippet: --------------------------------------------------- import std.compiler; import std.stdio; void main() { writefln("%s %s %s.%s (D%s)", name, vendor, version_major, version_minor, D_major); } --------------------------------------------------- You can also have a look at the std.compiler implementation if you want to use the __VERSION__ and __VENDOR__ variables directly.
 I reckon other people run into these errors as well, and it would 
 be nice if there was a way of checking whether a function is 
 supported in gdc/ldc x.x.x Hmm. Sounds like a nice project with 
 git, libdparse and vibe.
Yes, this is really a common problem. I'd say the simplest way to check is trying to compile the code with the matching DMD version (e.g. 2.066.1).
 What about the other errors though?
Same reason. The old getopt code can't handle the help strings and therefore produces these error messages. This works: --------------------------------------------------- import std.getopt; void main(string[] args) { bool time; string fileIn; string fileOut; getopt( args, "time", &time, "i|input", &fileIn, "o|output", &fileOut ); }
Jan 22
parent Sebastiaan Koppe <mail skoppe.eu> writes:
On Friday, 22 January 2016 at 13:03:58 UTC, Johannes Pfau wrote:
 Am Fri, 22 Jan 2016 11:32:30 +0000
 schrieb Sebastiaan Koppe <mail skoppe.eu>:
 Thanks. I never know which version of this supports which 
 version of that. Any easy way of checking this? I mean, how 
 can I tell that gdc 5.3.0-1 supports phobos 2.066?
 
The best way is running this code snippet: --------------------------------------------------- import std.compiler; import std.stdio; void main() { writefln("%s %s %s.%s (D%s)", name, vendor, version_major, version_minor, D_major); } ---------------------------------------------------
Why doesn't gdc emit this when called with `--version`?
 Yes, this is really a common problem. I'd say the simplest way 
 to check is trying to compile the code with the matching DMD 
 version (e.g. 2.066.1).
When I have nothing to do I might setup a service that tells you in which version a symbol was introduced.
 What about the other errors though?
Same reason. The old getopt code can't handle the help strings and therefore produces these error messages.
I see, I was mislead due to the errors being in the std code.
Jan 22