Error in report functions

[ritugoel]

While running this program report function like uvm_info, uvm_error are not compiling. Compilation error are listed beneath the code.

import esdl;
import uvm;
import std.stdio;
class TestBench: RootEntity
{uvm_root_entity!(test_root) tb;}
class test_root:uvm_root
{ mixin uvm_component_utils;}
class my_catcher_info: uvm_report_catcher
{ override action_e do_catch()
{import std.stdio;
if(get_name() != get_id()) return THROW;
if(get_severity() != UVM_INFO) return THROW;
writeln("Info Catcher Caught a message...\n");
uvm_info("INFO CATCHER", "From my_catcher_info catch()" ,UVM_MEDIUM);
return THROW;}}
class my_catcher_warning: uvm_report_catcher
{override action_e do_catch()
{ import std.stdio;
if(get_name() != get_id()) return THROW;
if(get_severity() != UVM_WARNING) return THROW;
writeln("Warning Catcher Caught a message...\n");
uvm_warning("WARNING CATCHER","From my_catcher_warning catch()");
return THROW;}}
class my_catcher_error : uvm_report_catcher
{ override action_e do_catch()
{import std.stdio;
if(get_name() != get_id()) return THROW;
if(get_severity() != UVM_ERROR) return THROW;
writeln("Error Catcher Caught a message...\n");
uvm_error( "ERROR CATCHER ","From my_catcher_error catch() ");
return THROW; }}
class my_catcher_fatal: uvm_report_catcher
{ override action_e do_catch()
{import std.stdio;
if(get_name() != get_id()) return THROW;
if(get_severity() != UVM_FATAL) return THROW;
writeln("Fatal Catcher Caught a Fatal message...\n");
uvm_info("FATAL CATCHER", "From my_catcher_fatal catch()", UVM_INFO );
return THROW;}}
class test: uvm_test
{ mixin uvm_component_utils;
this(string name, uvm_component parent = null)
{ super(name, parent);}
override void run()
{
my_catcher_info ctchr1 = new my_catcher_info;
my_catcher_warning ctchr2 = new my_catcher_warning;
my_catcher_error ctchr3 = new my_catcher_error;
my_catcher_fatal ctchr4 = new my_catcher_fatal;
import std.stdio;
writeln("UVM TEST - Same catcher type - different IDs\n");
writeln("adding a catcher of type my_catcher_info with id of Catcher1\n");
uvm_report_cb.add(null,ctchr1);
writeln("adding a catcher of type my_catcher_warning with id of Catcher2\n");
uvm_report_cb.add(null,ctchr2);
writeln("adding a catcher of type my_catcher_error with id of Catcher3\n");
uvm_report_cb.add(null,ctchr3);
writeln("adding a catcher of type my_catcher_fatal with id of Catcher4\n");
uvm_report_cb.add(null,ctchr4);
uvm_info("Catcher1", "This Info message is for Catcher1", UVM_MEDIUM);
uvm_warning("Catcher2", "This Warning message is for Catcher2");
uvm_error ("Catcher3", "This Error message is for Catcher3");
//`uvm_fatal ("Catcher4", "This fatal message is for Catcher4");
uvm_info("XYZ", "This second message is for No One", UVM_MEDIUM);
writeln("UVM TEST EXPECT 2 UVM_ERROR\n");
uvm_top.stop_request(); }
override void report()
{import std.stdio;
writeln("** UVM TEST PASSED **\n");}}
void main(string[] argv)
{ TestBench tb = new TestBench;
tb.multiCore(0,0);
tb.elaborate("test", argv);
tb.simulate();
}

/home/vlang/local/vlang-1.0.0-alpha1/dmd2/linux/bin64/../../../vlang-uvm/src/uvm/base/uvm_message_defines.d(107): Error: undefined identifier 'uvm_report_enabled'
test.d(68): Error: template instance uvm.base.uvm_report_catcher.uvm_report_catcher.uvm_report_mixin!().uvm_info!("test.d", 68) error instantiating
/home/vlang/local/vlang-1.0.0-alpha1/dmd2/linux/bin64/../../../vlang-uvm/src/uvm/base/uvm_message_defines.d(124): Error: undefined identifier 'uvm_report_enabled'
test.d(86): Error: template instance uvm.base.uvm_report_catcher.uvm_report_catcher.uvm_report_mixin!().uvm_warning!("test.d", 86) error instantiating
/home/vlang/local/vlang-1.0.0-alpha1/dmd2/linux/bin64/../../../vlang-uvm/src/uvm/base/uvm_message_defines.d(140): Error: undefined identifier 'uvm_report_enabled'
test.d(106): Error: template instance uvm.base.uvm_report_catcher.uvm_report_catcher.uvm_report_mixin!().uvm_error!("test.d", 106) error instantiating
/home/vlang/local/vlang-1.0.0-alpha1/dmd2/linux/bin64/../../../vlang-uvm/src/uvm/base/uvm_message_defines.d(107): Error: undefined identifier 'uvm_report_enabled'
test.d(128): Error: template instance uvm.base.uvm_report_catcher.uvm_report_catcher.uvm_report_mixin!().uvm_info!("test.d", 128) error instantiating

Thanks & regards,
Ritu