source: src/CodeGen/OperatorTable.cc @ 18f7858

//
// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
//
// The contents of this file are covered under the licence agreement in the
// file "LICENCE" distributed with Cforall.
//
// OperatorTable.cc --
//
// Author           : Richard C. Bilson
// Created On       : Mon May 18 07:44:20 2015
// Last Modified By : Peter A. Buhr
// Last Modified On : Tue Feb 18 15:55:01 2020
// Update Count     : 55
//

#include <algorithm>  // for any_of
#include <map>        // for map, _Rb_tree_const_iterator, map<>::const_iterator
#include <utility>    // for pair
using namespace std;

#include "OperatorTable.h"
#include "Common/utility.h"

namespace CodeGen {
        const OperatorInfo CodeGen::tableValues[] = {
                // inputName symbol   outputName                     friendlyName                  type
                {       "?[?]",   "",     "_operator_index",             "Index",                      OT_INDEX          },
                {       "?{}",    "=",    "_constructor",                "Constructor",                OT_CTOR           },
                {       "^?{}",   "",     "_destructor",                 "Destructor",                 OT_DTOR           },
                {       "?()",    "",     "_operator_call",              "Call Operator",              OT_CALL           },
                {       "?++",    "++",   "_operator_postincr",          "Postfix Increment",          OT_POSTFIXASSIGN  },
                {       "?--",    "--",   "_operator_postdecr",          "Postfix Decrement",          OT_POSTFIXASSIGN  },
                {       "*?",     "*",    "_operator_deref",             "Dereference",                OT_PREFIX         },
                {       "+?",     "+",    "_operator_unaryplus",         "Plus",                       OT_PREFIX         },
                {       "-?",     "-",    "_operator_unaryminus",        "Minus",                      OT_PREFIX         },
                {       "~?",     "~",    "_operator_bitnot",            "Bitwise Not",                OT_PREFIX         },
                {       "!?",     "!",    "_operator_lognot",            "Logical Not",                OT_PREFIX         },
                {       "++?",    "++",   "_operator_preincr",           "Prefix Increment",           OT_PREFIXASSIGN   },
                {       "--?",    "--",   "_operator_predecr",           "Prefix Decrement",           OT_PREFIXASSIGN   },
                {       "?\\?",   "\\",   "_operator_exponential",       "Exponentiation",             OT_INFIX          },
                {       "?*?",    "*",    "_operator_multiply",          "Multiplication",             OT_INFIX          },
                {       "?/?",    "/",    "_operator_divide",            "Division",                   OT_INFIX          },
                {       "?%?",    "%",    "_operator_modulus",           "Modulo",                     OT_INFIX          },
                {       "?+?",    "+",    "_operator_add",               "Addition",                   OT_INFIX          },
                {       "?-?",    "-",    "_operator_subtract",          "Substraction",               OT_INFIX          },
                {       "?<<?",   "<<",   "_operator_shiftleft",         "Shift Left",                 OT_INFIX          },
                {       "?>>?",   ">>",   "_operator_shiftright",        "Shift Right",                OT_INFIX          },
                {       "?<?",    "<",    "_operator_less",              "Less-than",                  OT_INFIX          },
                {       "?>?",    ">",    "_operator_greater",           "Greater-than",               OT_INFIX          },
                {       "?<=?",   "<=",   "_operator_lessequal",         "Less-than-or-Equal",         OT_INFIX          },
                {       "?>=?",   ">=",   "_operator_greaterequal",      "Greater-than-or-Equal",      OT_INFIX          },
                {       "?==?",   "==",   "_operator_equal",             "Equality",                   OT_INFIX          },
                {       "?!=?",   "!=",   "_operator_notequal",          "Not-Equal",                  OT_INFIX          },
                {       "?&?",    "&",    "_operator_bitand",            "Bitwise And",                OT_INFIX          },
                {       "?^?",    "^",    "_operator_bitxor",            "Bitwise Xor",                OT_INFIX          },
                {       "?|?",    "|",    "_operator_bitor",             "Bitwise Or",                 OT_INFIX          },
                {       "?=?",    "=",    "_operator_assign",            "Assignment",                 OT_INFIXASSIGN    },
                {       "?\\=?",  "\\=",  "_operator_expassign",         "Exponentiation Assignment",  OT_INFIXASSIGN    },
                {       "?*=?",   "*=",   "_operator_multassign",        "Multiplication Assignment",  OT_INFIXASSIGN    },
                {       "?/=?",   "/=",   "_operator_divassign",         "Division Assignment",        OT_INFIXASSIGN    },
                {       "?%=?",   "%=",   "_operator_modassign",         "Modulo Assignment",          OT_INFIXASSIGN    },
                {       "?+=?",   "+=",   "_operator_addassign",         "Addition Assignment",        OT_INFIXASSIGN    },
                {       "?-=?",   "-=",   "_operator_subassign",         "Substrction Assignment",     OT_INFIXASSIGN    },
                {       "?<<=?",  "<<=",  "_operator_shiftleftassign",   "Shift Left Assignment",      OT_INFIXASSIGN    },
                {       "?>>=?",  ">>=",  "_operator_shiftrightassign",  "Shift Right Assignment",     OT_INFIXASSIGN    },
                {       "?&=?",   "&=",   "_operator_bitandassign",      "Bitwise And Assignment",     OT_INFIXASSIGN    },
                {       "?^=?",   "^=",   "_operator_bitxorassign",      "Bitwise Xor Assignment",     OT_INFIXASSIGN    },
                {       "?|=?",   "|=",   "_operator_bitorassign",       "Bitwise Or Assignment",      OT_INFIXASSIGN    },
        }; // tableValues

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

        CodeGen::CodeGen() {
                enum { numOps = sizeof( tableValues ) / sizeof( OperatorInfo ) };
                for ( int i = 0; i < numOps; i += 1 ) {
                        table[ tableValues[i].inputName ] = tableValues[i];
                } // for
        }

        const OperatorInfo * operatorLookup( const string & funcName ) {
                if ( funcName.find_first_of( "?^*+-!", 0, 1 ) == string::npos ) return nullptr; // prefilter
                const OperatorInfo * ret = &CodeGen::table.find( funcName )->second; // must be in the table
                assert( ret );
                return ret;
        }

        bool isOperator( const string & funcName ) {
                return operatorLookup( funcName ) != nullptr;
        }

        string operatorFriendlyName( const string & funcName ) {
                const OperatorInfo * info = operatorLookup( funcName );
                if ( info ) return info->friendlyName;
                return "";
        }

        bool isConstructor( const string & funcName ) {
                const OperatorInfo * info = operatorLookup( funcName );
                if ( info ) return info->type == OT_CTOR;
                return false;
        }

        bool isDestructor( const string & funcName ) {
                const OperatorInfo * info = operatorLookup( funcName );
                if ( info ) return info->type == OT_DTOR;
                return false;
        }

        bool isCtorDtor( const string & funcName ) {
                const OperatorInfo * info = operatorLookup( funcName );
                if ( info ) return info->type <= OT_CONSTRUCTOR;
                return false;
        }

        bool isAssignment( const string & funcName ) {
                const OperatorInfo * info = operatorLookup( funcName );
                if ( info ) return info->type > OT_CONSTRUCTOR && info->type <= OT_ASSIGNMENT;
                return false;
        }

        bool isCtorDtorAssign( const string & funcName ) {
                const OperatorInfo * info = operatorLookup( funcName );
                if ( info ) return info->type <= OT_ASSIGNMENT;
                return false;
        }

        CodeGen codegen;                                                                        // initialize singleton package
} // namespace CodeGen

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