autodoc/source/parser/cpp/pe_expr.cxx

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  30
  31 #include <precomp.h>
  32 #include "pe_expr.hxx"
  33
  34
  35 // NOT FULLY DECLARED SERVICES
  36
  37
  38 namespace cpp {
  39
  40
  41
  42 PE_Expression::PE_Expression( Cpp_PE * i_pParent )
  43     :   Cpp_PE(i_pParent),
  44         pStati( new PeStatusArray<PE_Expression> ),
  45         aResult_Text(100),
  46         nBracketCounter(0)
  47 {
  48     Setup_StatusFunctions();
  49 }
  50
  51
  52 PE_Expression::~PE_Expression()
  53 {
  54 }
  55
  56 void
  57 PE_Expression::Call_Handler( const cpp::Token & i_rTok )
  58 {
  59     pStati->Cur().Call_Handler(i_rTok.TypeId(), i_rTok.Text());
  60
  61 #if 0
  62     switch (i_rTok.TypeId())
  63     {
  64         case Tid_SwBracket_Left:        SetTokenResult(done, stay);
  65                                     nBracketCounter++;
  66                                     bBlockOpened = true;
  67                                     break;
  68         case Tid_SwBracket_Right:       SetTokenResult(done, stay);
  69                                     nBracketCounter--;
  70                                     break;
  71         case Tid_Semicolon:                     if (nBracketCounter == 0)
  72                                         SetTokenResult(done, pop_success);
  73                                     else
  74                                         SetTokenResult(done, stay);
  75                                     break;
  76         default:
  77                                     if  ( bBlockOpened AND nBracketCounter == 0 )
  78                                     {
  79                                         SetTokenResult(not_done, pop_success);
  80                                     }
  81                                     else
  82                                     {
  83                                         SetTokenResult(done, stay);
  84                                     }
  85     }   // end switch
  86 #endif // 0
  87 }
  88
  89 void
  90 PE_Expression::Setup_StatusFunctions()
  91 {
  92     typedef CallFunction<PE_Expression>::F_Tok  F_Tok;
  93
  94     static F_Tok stateF_std[] =                     { &PE_Expression::On_std_SwBracket_Left,
  95                                               &PE_Expression::On_std_SwBracket_Right,
  96                                               &PE_Expression::On_std_ArrayBracket_Left,
  97                                               &PE_Expression::On_std_ArrayBracket_Right,
  98                                               &PE_Expression::On_std_Bracket_Left,
  99                                               &PE_Expression::On_std_Bracket_Right,
 100                                               &PE_Expression::On_std_Semicolon,
 101                                               &PE_Expression::On_std_Comma };
 102     static INT16 stateT_std[] =             { Tid_SwBracket_Left,
 103                                               Tid_SwBracket_Right,
 104                                               Tid_ArrayBracket_Left,
 105                                               Tid_ArrayBracket_Right,
 106                                               Tid_Bracket_Left,
 107                                               Tid_Bracket_Right,
 108                                               Tid_Semicolon,
 109                                               Tid_Comma };
 110
 111     SEMPARSE_CREATE_STATUS(PE_Expression, std, On_std_Default);
 112 }
 113
 114 void
 115 PE_Expression::InitData()
 116 {
 117     pStati->SetCur(std);
 118     aResult_Text.seekp(0);
 119     nBracketCounter = 0;
 120 }
 121
 122 void
 123 PE_Expression::TransferData()
 124 {
 125     pStati->SetCur(size_of_states);
 126     if ( aResult_Text.tellp() > 0)
 127         aResult_Text.pop_back(1);
 128 }
 129
 130 void
 131 PE_Expression::On_std_Default( const char * i_sText)
 132 {
 133     SetTokenResult(done, stay);
 134     aResult_Text << i_sText << " ";
 135 }
 136
 137 void
 138 PE_Expression::On_std_SwBracket_Left( const char *)
 139 {
 140     SetTokenResult(done, stay);
 141     nBracketCounter++;
 142 }
 143
 144 void
 145 PE_Expression::On_std_SwBracket_Right( const char *)
 146 {
 147     nBracketCounter--;
 148     if ( nBracketCounter >= 0 )
 149         SetTokenResult(done, stay);
 150     else
 151         SetTokenResult(not_done, pop_success);
 152 }
 153
 154 void
 155 PE_Expression::On_std_ArrayBracket_Left( const char *)
 156 {
 157     SetTokenResult(done, stay);
 158     nBracketCounter++;
 159 }
 160
 161 void
 162 PE_Expression::On_std_ArrayBracket_Right( const char *)
 163 {
 164     nBracketCounter--;
 165     if ( nBracketCounter >= 0 )
 166         SetTokenResult(done, stay);
 167     else
 168         SetTokenResult(not_done, pop_success);
 169 }
 170
 171 void
 172 PE_Expression::On_std_Bracket_Left( const char *)
 173 {
 174     SetTokenResult(done, stay);
 175     nBracketCounter++;
 176 }
 177
 178 void
 179 PE_Expression::On_std_Bracket_Right( const char *)
 180 {
 181     nBracketCounter--;
 182     if ( nBracketCounter >= 0 )
 183         SetTokenResult(done, stay);
 184     else
 185         SetTokenResult(not_done, pop_success);
 186 }
 187
 188 void
 189 PE_Expression::On_std_Semicolon( const char *)
 190 {
 191     SetTokenResult(not_done, pop_success);
 192 }
 193
 194 void
 195 PE_Expression::On_std_Comma( const char *)
 196 {
 197     SetTokenResult(not_done, pop_success);
 198 }
 199
 200
 201 }   // namespace cpp
 202
 203
 204
 205
 206
 207