// vim:ft=javascript


ARG_ENABLE("xcache", "Include XCache support", "yes,shared");

if (PHP_XCACHE != "no") {
	// {{{ check for xcache-constant 
	ARG_ENABLE("xcache-constant", "XCache: Handle new constants made by php compiler (e.g.: for __halt_compiler)", "yes");
	if (PHP_XCACHE_CONSTANT != "no") {
		AC_DEFINE("HAVE_XCACHE_CONSTANT", 1, "Define to enable XCache handling of compile time constants");
	}
	// }}}

	var xcache_sources = "processor.c \
	                      xcache.c \
	                      mmap.c \
	                      mem.c \
	                      xc_shm.c \
	                      const_string.c \
	                      opcode_spec.c \
	                      stack.c \
	                      utils.c \
	                      lock.c \
	                      ";
	// {{{ add sources on enabled
	ARG_ENABLE("xcache-optimizer",    "(N/A)", "no");
	ARG_ENABLE("xcache-coverager",    "Enable code coverage dumper, useful for testing php scripts", "no");
	ARG_ENABLE("xcache-assembler",    "(N/A)", "no");
	ARG_ENABLE("xcache-disassembler", "Enable opcode to php variable dumper, NOT for production server", "no");
	ARG_ENABLE("xcache-encoder",      "(N/A)", "no");
	ARG_ENABLE("xcache-decoder",      "(N/A)", "no");

	var XCACHE_MODULES = "cacher";
	var options = ["optimizer",
	               "coverager",
	               "assembler", "disassembler",
	               "encoder", "decoder"];
	for (var i in options) {
		var name = options[i];
		var uname = name.toUpperCase();
		var withval = eval("PHP_XCACHE_" + uname);
		if (withval != "no") {
			xcache_sources += " " + name + ".c";
			XCACHE_MODULES += " " + name;
			STDOUT.WriteLine("Enabling XCache Module: " + name);
			AC_DEFINE("HAVE_XCACHE_" + uname, 1, "Define for XCache: " + name)
		}
	}
	AC_DEFINE("XCACHE_MODULES", XCACHE_MODULES);
	// }}}
	// {{{ check for programs needed
	var apps = ["m4", "grep", "sed"];
	for (var i in apps) {
		if (!PATH_PROG(apps[i])) {
			ERROR(apps[i] + " is currently required to build XCache");
		}
	}
	PATH_PROG("gawk", null, "XCACHE_AWK") || PATH_PROG("awk", null, "XCACHE_AWK");

	// the cygwin indent is known broken on our output
	var indent = false; // PATH_PROG("indent");
	if (indent) {
		indent += " -kr --use-tabs --tab-size 4 -sob -nce";
	}
	else {
		indent = PATH_PROG("cat");
		if (!indent) {
			indent = '';
		}
	}
	DEFINE("XCACHE_INDENT", indent);
	// }}}
	// {{{ check for xcache-test
	ARG_ENABLE("xcache-test", "XCache: Enable self test - FOR DEVELOPERS ONLY!!", "no");
	if (PHP_XCACHE_TEST != "no") {
		ADD_FLAG("XCACHE_ENABLE_TEST", "-DXCACHE_ENABLE_TEST");
		xcache_sources += " xc_malloc.c";
		AC_DEFINE("HAVE_XCACHE_TEST", 1, "Define to enable XCache self test");
	}
	else {
		ADD_FLAG("XCACHE_ENABLE_TEST", "");
	}
	// }}}
	// {{{ check for xcache-test
	ARG_ENABLE("xcache-dprint", "XCache: Enable self debug print functions - FOR DEVELOPERS ONLY!!", "no");
	if (PHP_XCACHE_DPRINT != "no") {
		AC_DEFINE("HAVE_XCACHE_DPRINT", 1, "Define to enable XCache debug print functions");
	}
	// }}}
	// {{{ create extension
	EXTENSION("xcache", xcache_sources);
	var srcdir = configure_module_dirname;
	// it's a bit harder to get builddir
	var mfofile = "Makefile.objects";
	MFO.Close();

	var mfo = file_get_contents(mfofile);
	mfo.match(/(.*)\\xcache.obj:/);
	var builddir = RegExp.$1;
	mfo.match(/(.*\$\(CC\).* )\/c.*\\xcache.c.*/i);
	var ccrule = RegExp.$1;

	MFO = FSO.OpenTextFile(mfofile, 8);
	mfo = null;
	// }}}
	// {{{ add make fragments
	var file = srcdir + "\\Makefile.frag";
	STDOUT.WriteLine("Adding Makefile.frag: " + file);
	var frag = file_get_contents(file);
	frag = frag.replace(/\$\(srcdir\)\//g,   srcdir + '\\');
	frag = frag.replace(/\$\(srcdir\)/g,     srcdir);
	frag = frag.replace(/\$\(builddir\)\//g, builddir + '\\');
	frag = frag.replace(/\$\(builddir\)/g,   builddir);
	frag = frag.replace(/processor\//g,      "processor\\");
	frag = frag.replace(/\.lo:/g, ".obj:");
	frag = frag.replace(/.*\$\(CC\).* -E (.*) -o (.*)/, ccrule + " /E $1 > $2");
	frag = frag.replace(/ -o /g, " /Fo");
	frag = frag.replace(/mv -f /g, "move ");
	frag = frag.replace(/ \|\| /g, "\r\n\tif errorlevel 1 ");
	frag = frag.replace(/ && /g, "\r\n\tif not errorlevel 1 ");
	if (indent == '') {
		frag = frag.replace(/\| +\$\(XCACHE_INDENT\)/, '');
		frag = frag.replace(/\$\(XCACHE_INDENT\) < /, 'type ');
	}
	MFO.WriteLine(frag);
	ADD_FLAG("CFLAGS_XCACHE", "/I " + builddir);
	/// }}}
	XCACHE_PROC_SOURCES=glob(srcdir + "\\processor\\*.m4").join(' ');
	ADD_FLAG("XCACHE_PROC_SOURCES", XCACHE_PROC_SOURCES);
	// {{{ check for opcode_spec_def.h
	STDOUT.Write("Checking if you have opcode_spec_def.h for XCache ... ");
	var file = srcdir + "\\opcode_spec_def.h";
	if (FSO.FileExists(file)) {
		STDOUT.WriteLine("yes");
		AC_DEFINE("HAVE_XCACHE_OPCODE_SPEC_DEF", 1, "Define if you have opcode_spec_def.h for XCache");
	}
	else {
		STDOUT.WriteLine("no");

		// check for features depend on opcode_spec_def.h
		var xcache_require_opcode_spec_def = function(withval, name) {
			if (withval != "no") {
				ERROR(file + " is required to enable XCache " + name);
			}
		}
		xcache_require_opcode_spec_def(PHP_XCACHE_DISASSEMBLER, "disassembler");
	}
	// }}}
}