1 | // |
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2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo |
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3 | // |
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4 | // The contents of this file are covered under the licence agreement in the |
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5 | // file "LICENCE" distributed with Cforall. |
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6 | // |
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7 | // OperatorTable.cc -- |
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8 | // |
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9 | // Author : Richard C. Bilson |
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10 | // Created On : Mon May 18 07:44:20 2015 |
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11 | // Last Modified By : Peter A. Buhr |
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12 | // Last Modified On : Tue Dec 13 14:33:05 2016 |
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13 | // Update Count : 10 |
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14 | // |
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15 | |
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16 | #include <algorithm> // for any_of |
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17 | #include <map> // for map, _Rb_tree_const_iterator, map<>::const_iterator |
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18 | #include <utility> // for pair |
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19 | |
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20 | #include "OperatorTable.h" |
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21 | |
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22 | namespace CodeGen { |
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23 | namespace { |
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24 | const OperatorInfo tableValues[] = { |
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25 | { "?[?]", "", "_operator_index", OT_INDEX }, |
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26 | { "?{}", "=", "_constructor", OT_CTOR }, |
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27 | { "^?{}", "", "_destructor", OT_DTOR }, |
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28 | { "?()", "", "_operator_call", OT_CALL }, |
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29 | { "?++", "++", "_operator_postincr", OT_POSTFIXASSIGN }, |
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30 | { "?--", "--", "_operator_postdecr", OT_POSTFIXASSIGN }, |
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31 | { "*?", "*", "_operator_deref", OT_PREFIX }, |
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32 | { "+?", "+", "_operator_unaryplus", OT_PREFIX }, |
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33 | { "-?", "-", "_operator_unaryminus", OT_PREFIX }, |
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34 | { "~?", "~", "_operator_bitnot", OT_PREFIX }, |
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35 | { "!?", "!", "_operator_lognot", OT_PREFIX }, |
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36 | { "++?", "++", "_operator_preincr", OT_PREFIXASSIGN }, |
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37 | { "--?", "--", "_operator_predecr", OT_PREFIXASSIGN }, |
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38 | { "?*?", "*", "_operator_multiply", OT_INFIX }, |
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39 | { "?/?", "/", "_operator_divide", OT_INFIX }, |
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40 | { "?%?", "%", "_operator_modulus", OT_INFIX }, |
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41 | { "?+?", "+", "_operator_add", OT_INFIX }, |
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42 | { "?-?", "-", "_operator_subtract", OT_INFIX }, |
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43 | { "?<<?", "<<", "_operator_shiftleft", OT_INFIX }, |
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44 | { "?>>?", ">>", "_operator_shiftright", OT_INFIX }, |
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45 | { "?<?", "<", "_operator_less", OT_INFIX }, |
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46 | { "?>?", ">", "_operator_greater", OT_INFIX }, |
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47 | { "?<=?", "<=", "_operator_lessequal", OT_INFIX }, |
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48 | { "?>=?", ">=", "_operator_greaterequal", OT_INFIX }, |
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49 | { "?==?", "==", "_operator_equal", OT_INFIX }, |
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50 | { "?!=?", "!=", "_operator_notequal", OT_INFIX }, |
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51 | { "?&?", "&", "_operator_bitand", OT_INFIX }, |
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52 | { "?^?", "^", "_operator_bitxor", OT_INFIX }, |
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53 | { "?|?", "|", "_operator_bitor", OT_INFIX }, |
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54 | { "?=?", "=", "_operator_assign", OT_INFIXASSIGN }, |
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55 | { "?*=?", "*=", "_operator_multassign", OT_INFIXASSIGN }, |
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56 | { "?/=?", "/=", "_operator_divassign", OT_INFIXASSIGN }, |
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57 | { "?%=?", "%=", "_operator_modassign", OT_INFIXASSIGN }, |
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58 | { "?+=?", "+=", "_operator_addassign", OT_INFIXASSIGN }, |
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59 | { "?-=?", "-=", "_operator_subassign", OT_INFIXASSIGN }, |
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60 | { "?<<=?", "<<=", "_operator_shiftleftassign", OT_INFIXASSIGN }, |
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61 | { "?>>=?", ">>=", "_operator_shiftrightassign", OT_INFIXASSIGN }, |
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62 | { "?&=?", "&=", "_operator_bitandassign", OT_INFIXASSIGN }, |
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63 | { "?^=?", "^=", "_operator_bitxorassign", OT_INFIXASSIGN }, |
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64 | { "?|=?", "|=", "_operator_bitorassign", OT_INFIXASSIGN }, |
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65 | { "&&", "&&", "&&", OT_LABELADDRESS }, |
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66 | { "0", "0", "_constant_zero", OT_CONSTANT }, |
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67 | { "1", "1", "_constant_one", OT_CONSTANT } |
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68 | }; |
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69 | |
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70 | const int numOps = sizeof( tableValues ) / sizeof( OperatorInfo ); |
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71 | |
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72 | std::map< std::string, OperatorInfo > table; |
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73 | |
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74 | void initialize() { |
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75 | for ( int i = 0; i < numOps; ++i ) { |
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76 | table[ tableValues[i].inputName ] = tableValues[i]; |
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77 | } // for |
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78 | } |
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79 | } // namespace |
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80 | |
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81 | bool operatorLookup( std::string funcName, OperatorInfo &info ) { |
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82 | static bool init = false; |
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83 | if ( ! init ) { |
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84 | initialize(); |
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85 | } // if |
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86 | std::map< std::string, OperatorInfo >::const_iterator i = table.find( funcName ); |
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87 | if ( i == table.end() ) { |
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88 | return false; |
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89 | } else { |
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90 | info = i->second; |
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91 | return true; |
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92 | } // if |
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93 | } |
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94 | |
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95 | /// determines if a given function name is one of the operator types between [begin, end) |
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96 | template<typename Iterator> |
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97 | bool isOperatorType( const std::string & funcName, Iterator begin, Iterator end ) { |
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98 | OperatorInfo info; |
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99 | if ( operatorLookup( funcName, info ) ) { |
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100 | return std::find( begin, end, info.type ) != end; |
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101 | } |
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102 | return false; |
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103 | } |
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104 | |
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105 | bool isConstructor( const std::string & funcName ) { |
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106 | static OperatorType types[] = { OT_CTOR }; |
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107 | return isOperatorType( funcName, std::begin(types), std::end(types) ); |
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108 | } |
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109 | |
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110 | bool isDestructor( const std::string & funcName ) { |
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111 | static OperatorType types[] = { OT_DTOR }; |
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112 | return isOperatorType( funcName, std::begin(types), std::end(types) ); |
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113 | } |
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114 | |
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115 | bool isAssignment( const std::string & funcName ) { |
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116 | static OperatorType types[] = { OT_PREFIXASSIGN, OT_POSTFIXASSIGN, OT_INFIXASSIGN }; |
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117 | return isOperatorType( funcName, std::begin(types), std::end(types) ); |
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118 | } |
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119 | |
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120 | bool isCtorDtor( const std::string & funcName ) { |
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121 | static OperatorType types[] = { OT_CTOR, OT_DTOR }; |
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122 | return isOperatorType( funcName, std::begin(types), std::end(types) ); |
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123 | } |
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124 | |
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125 | bool isCtorDtorAssign( const std::string & funcName ) { |
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126 | static OperatorType types[] = { OT_CTOR, OT_DTOR, OT_PREFIXASSIGN, OT_POSTFIXASSIGN, OT_INFIXASSIGN }; |
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127 | return isOperatorType( funcName, std::begin(types), std::end(types) ); |
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128 | } |
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129 | } // namespace CodeGen |
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130 | |
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131 | // Local Variables: // |
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132 | // tab-width: 4 // |
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133 | // mode: c++ // |
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134 | // compile-command: "make install" // |
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135 | // End: // |
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