/*
 * This file is part of the Cforall project
 *
 * $Id: OperatorTable.cc,v 1.6 2003/01/19 04:19:31 rcbilson Exp $
 *
 */

#include <map>

#include "OperatorTable.h"

namespace CodeGen {

namespace {

const OperatorInfo tableValues[] = {
{	"?[?]",		"",		"_operator_index",		OT_INDEX		},
{	"?()",		"",		"_operator_call",		OT_CALL			},
{	"?++",		"++",		"_operator_postincr",		OT_POSTFIXASSIGN	},
{	"?--",		"--",		"_operator_postdecr",		OT_POSTFIXASSIGN	},
{	"*?",		"*",		"_operator_deref",		OT_PREFIX		},
{	"+?",		"+",		"_operator_unaryplus",		OT_PREFIX		},
{	"-?",		"-",		"_operator_unaryminus",		OT_PREFIX		},
{	"~?",		"~",		"_operator_bitnot",		OT_PREFIX		},
{	"!?",		"!",		"_operator_lognot",		OT_PREFIX		},
{	"++?",		"++",		"_operator_preincr",		OT_PREFIXASSIGN		},
{	"--?",		"--",		"_operator_predecr",		OT_PREFIXASSIGN		},
{	"?*?",		"*",		"_operator_multiply",		OT_INFIX		},
{	"?/?",		"/",		"_operator_divide",		OT_INFIX		},
{	"?%?",		"%",		"_operator_modulus",		OT_INFIX		},
{	"?+?",		"+",		"_operator_add",		OT_INFIX		},
{	"?-?",		"-",		"_operator_subtract",		OT_INFIX		},
{	"?<<?",		"<<",		"_operator_shiftleft",		OT_INFIX		},
{	"?>>?",		">>",		"_operator_shiftright",		OT_INFIX		},
{	"?<?",		"<",		"_operator_less",		OT_INFIX		},
{	"?>?",		">",		"_operator_greater",		OT_INFIX		},
{	"?<=?",		"<=",		"_operator_lessequal",		OT_INFIX		},
{	"?>=?",		">=",		"_operator_greaterequal",	OT_INFIX		},
{	"?==?",		"==",		"_operator_equal",		OT_INFIX		},
{	"?!=?",		"!=",		"_operator_notequal",		OT_INFIX		},
{	"?&?",		"&",		"_operator_bitand",		OT_INFIX		},
{	"?^?",		"^",		"_operator_bitxor",		OT_INFIX		},
{	"?|?",		"|",		"_operator_bitor",		OT_INFIX		},
{	"?=?",		"=",		"_operator_assign",		OT_INFIXASSIGN		},
{	"?*=?",		"*=",		"_operator_multassign",		OT_INFIXASSIGN		},
{	"?/=?",		"/=",		"_operator_divassign",		OT_INFIXASSIGN		},
{	"?%=?",		"%=",		"_operator_modassign",		OT_INFIXASSIGN		},
{	"?+=?",		"+=",		"_operator_addassign",		OT_INFIXASSIGN		},
{	"?-=?",		"-=",		"_operator_subassign",		OT_INFIXASSIGN		},
{	"?<<=?",	"<<=",		"_operator_shiftleftassign",	OT_INFIXASSIGN		},
{	"?>>=?",	">>=",		"_operator_shiftrightassign",	OT_INFIXASSIGN		},
{	"?&=?",		"&=",		"_operator_bitandassign",	OT_INFIXASSIGN		},
{	"?^=?",		"^=",		"_operator_bitxorassign",	OT_INFIXASSIGN		},
{	"?|=?",		"|=",		"_operator_bitorassign",	OT_INFIXASSIGN		},
{	"0",		"0",		"_constant_zero",		OT_CONSTANT		},
{	"1",		"1",		"_constant_one",			OT_CONSTANT		}
};

const int numOps = sizeof( tableValues ) / sizeof( OperatorInfo );

std::map< std::string, OperatorInfo > table;

void
initialize()
{
  for( int i = 0; i < numOps; ++i ) {
    table[ tableValues[i].inputName ] = tableValues[i];
  }
}

} // namespace

bool
operatorLookup( std::string funcName, OperatorInfo &info )
{
  static bool init = false;
  if( !init ) {
    initialize();
  }
  std::map< std::string, OperatorInfo >::const_iterator i = table.find( funcName );
  if( i == table.end() ) {
    return false;
  } else {
    info = i->second;
    return true;
  }
}

} // namespace CodeGen