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Removed CDC, as it's been fully replaced by dub.

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Ferdinand Majerech 2014-08-01 23:02:01 +02:00
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#!/usr/bin/rdmd
/**
* License: Boost 1.0
*
* Copyright (c) 2009-2010 Eric Poggel, Changes 2011 Ferdinand Majerech
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* Description:
*
* This is a D programming language build script (and library) that can be used
* to compile D (version 1) source code. Unlike Bud, DSSS/Rebuild, Jake, and
* similar tools, CDC is contained within a single file that can easily be
* distributed with projects. This simplifies the build process since no other
* tools are required. The main() function can be utilized to turn
* CDC into a custom build script for your project.
*
* CDC's only requirement is a D compiler. It is/will be supported on any
* operating system supported by the language. It works with dmd, ldc (soon),
* and gdc.
*
* CDC can be used just like dmd, except for the following improvements.
* <ul>
* <li>CDC can accept paths as as well as individual source files for compilation.
* Each path is recursively searched for source, library, object, and ddoc files.</li>
* <li>CDC automatically creates a modules.ddoc file for use with CandyDoc and
* similar documentation utilities.</li>
* <li>CDC defaults to use the compiler that was used to build itself. Compiler
* flags are passed straight through to that compiler.</li>
* <li>The -op flag is always used, to prevent name conflicts in object and doc files.</li>
* <li>Documentation files are all placed in the same folder with their full package
* names. This makes relative links between documents easier.</li>
* </ul>
* These DMD/LDC options are automatically translated to the correct GDC
* options, or handled manually:
* <dl>
* <dt>-c</dt> <dd>do not link</dd>
* <dt>-D</dt> <dd>generate documentation</dd>
* <dt>-Dddocdir</dt> <dd>write fully-qualified documentation files to docdir directory</dd>
* <dt>-Dfdocfile</dt> <dd>write fully-qualified documentation files to docfile file</dd>
* <dt>-lib</dt> <dd>Generate library rather than object files</dd>
* <dt>-Ipath</dt> <dd>where to look for imports</dd>
* <dt>-o-</dt> <dd>do not write object file.</dd>
* <dt>-offilename</dt><dd>name output file to filename</dd>
* <dt>-odobjdir</dt> <dd>write object & library files to directory objdir</dd>
* </dl>
*
* In addition, these optional flags have been added.
* <dl>
* <dt>--dmd</dt> <dd>Use dmd to compile</dd>
* <dt>--gdc</dt> <dd>Use gdc to compile</dd>
* <dt>--ldc</dt> <dd>Use ldc to compile</dd>
* </dl>
*
* Bugs:
* <ul>
* <li>Doesn't yet work with LDC. See dsource.org/projects/ldc/ticket/323</li>
* <li>Dmd writes out object files as foo/bar.o, while gdc writes foo.bar.o</li>
* <li>Dmd fails to write object files when -od is an absolute path.</li>
* </ul>
*
* TODO:
* <ul>
* <li>Add support for a --script argument to accept another .d file that calls cdc's functions.</li>
* <li>-Df option</li>
* <li>GDC - Remove dependancy on "ar" on windows? </li>
* <li>LDC - Scanning a folder for files is broken. </li>
* <li>Unittests</li>
* <li>More testing on paths with spaces. </li>
* </ul>
*
* API:
* Use any of these functions in your own build script.
*/
import core.stdc.stdlib;
import std.algorithm;
import std.array;
import std.exception;
import std.conv;
import std.file;
import std.path;
import std.process;
import std.range;
import std.string;
import std.stdio : writeln;
alias std.process.system system;
///Name of the default compiler, which is the compiler used to build cdc.
version(DigitalMars){string compiler = "dmd";}
version(GNU){string compiler = "gdmd";}
version(LDC){string compiler = "ldmd2";}
version(Windows)
{
///Valid object file extensions.
const string[] obj_ext = ["obj", "o"];
///Library extension.
const string lib_ext = "lib";
///Binary executable extension.
const string bin_ext = "exe";
///Path separator character.
char file_separator ='\\';
}
else
{
///Valid object file extensions.
const string[] obj_ext = ["o"];
///Library extension.
const string lib_ext = "a";
///Binary executable extension.
const string bin_ext = "";
///Path separator character.
char file_separator ='/';
}
void main(string[] args)
{
scope(failure){help(); core.stdc.stdlib.exit(-1);}
string[] targets;
string[] extra_args = ["-w", "-wi"];
args = args[1 .. $];
foreach(arg; args)
{
if(arg[0] == '-') switch(arg)
{
case "--help", "-h": help(); return;
case "--dmd": compiler = "dmd"; break;
case "--gdc": compiler = "gdmd"; break;
case "--ldc": compiler = "ldmd2"; break;
default: extra_args ~= arg;
}
else
{
targets ~= arg;
}
}
if(targets.length == 0){targets = ["release"];}
auto dbg = ["-debug", "-gc"];
auto optimize = ["-O", "-inline", "-release", "-noboundscheck"];
auto profile = ["-O", "-release", "-noboundscheck", "-gc"];
auto lib_src = ["source"];
void compile_(string[] args, string[] files)
{
compile(args ~ extra_args, files);
}
void build_unittest()
{
writeln("building unittests");
compile_(dbg ~ ["-unittest", "-ofunittest"], lib_src ~ "unittest.d" ~ "test/src");
}
void build_debug()
{
writeln("building debug target");
compile_(dbg ~ ["-oflibdyaml-debug", "-lib"], lib_src);
}
void build_release()
{
writeln("building release target");
compile_(optimize ~ ["-oflibdyaml", "-lib"], lib_src);
}
void build_profile()
{
writeln("building profile target");
compile_(profile ~ ["-oflibdyaml", "-lib"], lib_src);
}
void build_tar_gz()
{
if(system("git archive HEAD | gzip -9v > dyaml.tar.gz") != 0)
{
writeln("Error creating a tar.gz package.");
}
}
void build_tar_xz()
{
if(system("git archive HEAD | xz -9ev > dyaml.tar.xz ") != 0)
{
writeln("Error creating a tar.xz package.");
}
}
void build_zip()
{
if(system("git archive -odyaml.zip -9 HEAD") != 0)
{
writeln("Error creating a zip package");
}
}
void build(string[] targets ...)
{
foreach(target; targets) switch(target)
{
case "debug": build_debug(); break;
case "release": build_release(); break;
case "profile": build_profile(); break;
case "unittest": build_unittest(); break;
case "tar.gz": build_tar_gz(); break;
case "tar.xz": build_tar_xz(); break;
case "zip": build_zip(); break;
case "all": build("debug", "release", "unittest"); break;
default:
writeln("unknown build target: ", target);
writeln("available targets: 'debug', 'release', 'profile', "
"'all', 'unittest', 'tar.gz', 'tar.xz', 'zip'");
}
}
try{build(targets);}
catch(CompileException e){writeln("Could not compile: " ~ e.msg);}
catch(ProcessException e){writeln("Compilation failed: " ~ e.msg);}
writeln("DONE");
}
///Print help information.
void help()
{
string help =
"D:YAML build script\n"
"Changes Copyright (C) 2011 Ferdinand Majerech\n"
"Based on CDC script Copyright (C) 2009-2010 Eric Poggel\n"
"Usage: cdc [OPTION ...] [EXTRA COMPILER OPTION ...] [TARGET ...]\n"
"By default, cdc uses the compiler it was built with to compile the project.\n"
"\n"
"Any options starting with '-' not parsed by the script will be\n"
"passed to the compiler used.\n"
"\n"
"Optionally, build target can be specified, 'debug' is default.\n"
"Available build targets:\n"
" unittest Build unit tests.\n"
" debug Debug information, unittests, contracts built in.\n"
" No optimizations.\n"
" release No debug information, no unittests, contracts.\n"
" Optimizations, inlining enabled.\n"
" profile Debug information, no unittests, contracts.\n"
" Optimizations, inlining enabled.\n"
" all Unittest, debug and release.\n"
" tar.gz Needs git, gzip: Create a tar.gz package.\n"
" tar.xz Needs git, xz: Create a tar.xz package.\n"
" zip Needs zip: Create a zip package.\n"
"\n"
"Available options:\n"
" -h --help Show this help information.\n"
" --gdc Use GDC for compilation.\n"
" --dmd Use DMD for compilation.\n"
" --ldc Use LDC for compilation. (not tested)\n"
;
writeln(help);
}
/**
* Compile D code using the current compiler.
*
* Params: options = Compiler options.
* paths = Source and library files/directories. Directories are recursively searched.
*
* Example:
* --------
* //Compile all source files in src/core along with src/main.d,
* //link with all library files in the libs folder
* //and generate documentation in the docs folder.
* compile(["src/core", "src/main.d", "libs"], ["-D", "-Dddocs"]);
* --------
*
* TODO Add a dry run option to just return an array of commands to execute.
*/
void compile(string[] options, string[] paths)
{
//Convert src and lib paths to files
string[] sources, libs, ddocs;
foreach(src; paths)
{
enforceEx!CompileException(exists(src),
"Source file/folder \"" ~ src ~ "\" does not exist.");
//Directory of source or lib files
if(isDir(src))
{
sources ~= scan(src, ".d");
ddocs ~= scan(src, ".ddoc");
libs ~= scan(src, lib_ext);
}
//File
else if(isFile(src))
{
string ext = src.extension();
if(ext == ".d"){sources ~= src;}
else if(ext == lib_ext){libs ~= src;}
}
}
//Add dl.a for dynamic linking on linux
version(linux){libs ~= ["-L-ldl"];}
//Combine all options, sources, ddocs, and libs
CompileOptions co = CompileOptions(options, sources);
options = co.get_options(compiler);
if(compiler == "gdc")
{
foreach(ref d; ddocs){d = "-fdoc-inc=" ~ d;}
//or should this only be version(Windows) ?
//TODO: Check in dmd and gdc
foreach(ref l; libs){l = "-L" ~ l;}
}
//Create modules.ddoc and add it to array of ddocs
if(co.generate_doc)
{
string modules = "MODULES = \n";
sources.sort;
foreach(src; sources)
{
//get filename
src = split(src, "\\.")[0];
src = src.replace("/", ".").replace("\\", ".");
modules ~= "\t$(MODULE " ~ src ~ ")\n";
}
scope(failure){remove("modules.ddoc");}
write("modules.ddoc", modules);
ddocs ~= "modules.ddoc";
}
string[] arguments = options ~ sources ~ ddocs ~ libs;
//Compile
if(compiler == "gdc")
{
//Add support for building libraries to gdc.
//GDC must build incrementally if creating documentation or a lib.
if(co.generate_lib || co.generate_doc || co.no_linking)
{
//Remove options we don't want to pass to gdc when building incrementally.
auto incremental_options =
array(filter!`a != "-lib" && !startsWith(a, "-o")`(options));
//Compile files individually, outputting full path names
string[] obj_files;
foreach(source; sources)
{
string obj = source.replace("/", ".")[0 .. $ - 2] ~ ".o";
string ddoc = obj[0 .. $ - 2];
if(co.obj_directory !is null)
{
obj = co.obj_directory ~ file_separator ~ obj;
}
obj_files ~= obj;
string[] exec = incremental_options ~ ["-o" ~ obj, "-c"] ~ [source];
//ensure doc files are always fully qualified.
if(co.generate_doc){exec ~= ddocs ~ ["-fdoc-file=" ~ ddoc ~ ".html"];}
//throws ProcessException on compile failure
execute(compiler, exec);
}
//use ar to join the .o files into a lib and cleanup obj files
//TODO: how to join on GDC windows?
if(co.generate_lib)
{
//since ar refuses to overwrite it.
remove(co.out_file);
execute("ar", "cq " ~ co.out_file ~ obj_files);
}
//Remove obj files if -c or -od not were supplied.
if(!co.obj_directory && !co.no_linking)
{
foreach(o; obj_files){remove(o);}
}
}
if(!co.generate_lib && !co.no_linking)
{
//Remove documentation arguments since they were handled above
execute_compiler(compiler,
array(filter!`!startsWith(a, "-fdoc", "-od")`(arguments)));
}
}
//Compilers other than gdc
else
{
execute_compiler(compiler, arguments);
//Move all html files in doc_path to the doc output folder
//and rename them with the "package.module" naming convention.
if(co.generate_doc) foreach(src; sources)
{
if(src.extension != ".d"){continue;}
string html = src[0 .. $ - 2] ~ ".html";
string dest = html.replace("/", ".").replace("\\", ".");
if(co.doc_directory.length > 0)
{
dest = co.doc_directory ~ file_separator ~ dest;
html = co.doc_directory ~ file_separator ~ html;
}
//TODO: Delete remaining folders where source files were placed.
if(html != dest)
{
copy(html, dest);
remove(html);
}
}
}
//Remove extra files
string basename = split(co.out_file, "/")[$ - 1];
if(co.generate_doc){remove("modules.ddoc");}
if(co.out_file && !(co.no_linking || co.obj_directory))
{
foreach(ext; obj_ext)
{
//Delete object files with same name as output file that dmd sometimes leaves.
try{remove(co.out_file.setExtension(ext));}
catch(FileException e){continue;}
}
}
}
/**
* Stores compiler options and translates them between compilers.
*
* Also enables -of and -op for easier handling.
*/
struct CompileOptions
{
public:
///Do not link.
bool no_linking;
///Generate documentation.
bool generate_doc;
///Write documentation to this directory.
string doc_directory;
///Write documentation to this file.
string doc_file;
///Generate library rather than object files.
bool generate_lib;
///Do not write object files.
bool no_objects;
///write object, library files to this directory.
string obj_directory;
///Name of output file.
string out_file;
private:
///Compiler options.
string[] options_;
public:
/**
* Construct CompileOptions from command line options.
*
* Params: options = Compiler command line options.
* sources = Source files to compile.
*/
this(string[] options, const string[] sources)
{
foreach(i, opt; options)
{
if(opt == "-c") {no_linking = true;}
else if(["-D", "-fdoc"].canFind(opt)) {generate_doc = true;}
else if(opt.startsWith("-Dd")) {doc_directory = opt[3..$];}
else if(opt.startsWith("-fdoc-dir=")) {doc_directory = opt[10..$];}
else if(opt.startsWith("-Df")) {doc_file = opt[3..$];}
else if(opt.startsWith("-fdoc-file=")) {doc_file = opt[11..$];}
else if(opt == "-lib") {generate_lib = true;}
else if(["-o-", "-fsyntax-only"].canFind(opt)){no_objects = true;}
else if(opt.startsWith("-of")) {out_file = opt[3..$];}
else if(opt.startsWith("-od")) {obj_directory = opt[3..$];}
else if(opt.startsWith("-o") && opt != "-op") {out_file = opt[2..$];}
options_ ~= opt;
}
//Set the -o (output filename) flag to the first source file if not already set.
//This matches the default behavior of dmd.
string ext = generate_lib ? lib_ext : bin_ext;
if(out_file.length == 0 && !no_linking && !no_objects && sources.length > 0)
{
out_file = sources[0].split("/").back.split("\\.")[0] ~ ext;
options_ ~= "-of" ~ out_file;
}
version (Windows)
{
auto dot = find(out_file, '.');
auto backslash = retro(find(retro(out_file), '/'));
if(dot <= backslash)
{
out_file ~= bin_ext;
}
}
}
/**
* Translate DMD compiler options to options of the target compiler.
*
* This function is incomplete. (what about -L? )
*
* Params: compiler = Compiler to translate to.
*
* Returns: Translated options.
*/
string[] get_options(const string compiler)
{
string[] result = options_.dup;
if(compiler != "gdc")
{
version(Windows) foreach(ref option; result)
{
option = option.startsWith("-of") ? option.replace("/", "\\") : option;
}
//ensure ddocs don't overwrite one another.
return result.canFind("-op") ? result : result ~ "-op";
}
//is gdc
auto translate = ["-Dd" : "-fdoc-dir=",
"-Df" : "-fdoc-file=",
"-debug=" : "-fdebug=",
"-debug" : "-fdebug", // will this still get selected?
"-inline" : "-finline-functions",
"-L" : "-Wl",
"-lib" : "",
"-O" : "-O3",
"-o-" : "-fsyntax-only",
"-of" : "-o ",
"-unittest" : "-funittest",
"-version" : "-fversion=",
"-version=" : "-fversion=",
"-wi" : "-Wextra",
"-w" : "-Wall",
"-gc" : "-g"];
//Perform option translation
foreach(ref option; result)
{
//remove unsupported -od
if(option.startsWith("-od")){option = "";}
if(option == "-D"){option = "-fdoc";}
//Options with a direct translation
else foreach(before, after; translate)
{
if(option.startsWith(before))
{
option = after ~ option[before.length..$];
break;
}
}
}
return result;
}
unittest
{
auto sources = ["foo.d"];
auto options = ["-D", "-inline", "-offoo"];
auto result = CompileOptions(options, sources).get_options("gdc");
assert(result[0 .. 3] == ["-fdoc", "-finline-functions", "-o foo"]);
}
}
///Thrown at errors in execution of other processes (e.g. compiler commands).
class CompileException : Exception
{
this(const string message, const string file, in size_t line){super(message, file, line);}
};
/**
* Wrapper around execute to write compile options to a file to get around max arg lenghts on Windows.
*
* Params: compiler = Compiler to execute.
* arguments = Compiler arguments.
*/
void execute_compiler(const string compiler, string[] arguments)
{
try
{
version(Windows)
{
write("compile", arguments.join(" "));
scope(exit){remove("compile");}
execute(compiler ~ " ", ["@compile"]);
}
else{execute(compiler, arguments);}
}
catch(ProcessException e)
{
writeln("Compiler failed: " ~ e.msg);
}
}
///Thrown at errors in execution of other processes (e.g. compiler commands).
class ProcessException : Exception {this(const string message){super(message);}};
/**
* Execute a command-line program and print its output.
*
* Params: command = The command to execute, e.g. "dmd".
* args = Arguments to pass to the command.
*
* Throws: ProcessException on failure or status code 1.
*/
void execute(string command, string[] args)
{
version(Windows)
{
if(command.startsWith("./")){command = command[2 .. $];}
}
string full = command ~ " " ~ args.join(" ");
writeln("CDC: " ~ full);
if(int status = system(full ~ "\0") != 0)
{
throw new ProcessException("Process " ~ command ~ " exited with status " ~
to!string(status));
}
}
/**
* Recursively get all files with specified extensions in directory and subdirectories.
*
* Params: directory = Absolute or relative path to the current directory.
* extensions = Extensions to match.
*
* Returns: An array of paths (including filename) relative to directory.
*
* Bugs: LDC fails to return any results.
*/
string[] scan(const string directory, string extensions ...)
{
string[] result;
foreach(string name; dirEntries(directory, SpanMode.depth))
{
if(isFile(name) && name.endsWith(extensions)){result ~= name;}
}
return result;
}