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1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include "messagedefparser\structprocessor.h" |
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17 #include "messagedefparser\integeridentifier.h" |
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18 #include "messagedefparser\initialstate.h" |
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19 #include "messagedefparser\definitiontokenizer.h" |
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20 #include "util.h" |
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21 |
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22 namespace Parser |
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23 { |
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24 |
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25 void CStructProcessor::ProcessState() |
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26 { |
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27 Tokens::TTokenType tokenType = CurrentTokenType(); |
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28 iResult = Parser::EUnexpectedToken; |
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29 const CIdentifierBase* ident = NULL; |
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30 |
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31 switch (iInternalState) |
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32 { |
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33 case EStateExpectStructIdentifier: |
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34 // name of new struct |
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35 if (tokenType == Tokens::EIdentifier) |
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36 { |
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37 if (!ParserSM().FindIdentifier(CurrentToken())) |
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38 { |
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39 iIdentifier = new CStructIdentifier(CurrentToken()); |
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40 iInternalState = EStateExpectMoreMembersOrEnd; |
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41 iResult = Parser::ENoError; |
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42 } |
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43 else |
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44 { |
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45 iResult = Parser::EDuplicateIdentifier; |
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46 } |
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47 } |
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48 break; |
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49 |
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50 case EStateExpectMoreMembersOrEnd: |
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51 iResult = Parser::ENoError; |
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52 switch (tokenType) |
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53 { |
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54 case Tokens::EPadType: |
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55 case Tokens::EIntType: |
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56 case Tokens::EIdentifier: |
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57 case Tokens::EMessageIdType: |
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58 ident = ParserSM().FindIdentifier(CurrentToken()); |
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59 if (!ident) |
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60 { |
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61 iResult = Parser::EUnknownIdentifier; |
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62 } |
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63 else if (ident->Type() == Parser::EEnumTypeIdentifier || ident->Type() == Parser::EStructIdentifier |
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64 || ident->Type() == Parser::EIntegerTypeIdentifier || ident->Type() == Parser::EContextIdentifier |
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65 || ident->Type() == Parser::EMessageIdTypeIdentifier) |
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66 { |
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67 iTempMember = new TMember(); |
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68 iTempMember->iMemberType = ident; |
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69 |
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70 if (ident->Type() == Parser::EIntegerTypeIdentifier) |
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71 { |
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72 iInternalState = EStateExpectMemberNameOrFormat; |
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73 } |
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74 else |
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75 { |
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76 iInternalState = EStateExpectMemberName; |
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77 } |
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78 } |
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79 else if (ident->Type() == Parser::EPadTypeIdentifier) |
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80 { |
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81 iTempMember = new TMember(); |
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82 iTempMember->iMemberType = ident; |
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83 iInternalState = EStateExpectPadSize; |
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84 break; |
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85 } |
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86 else |
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87 { |
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88 iResult = Parser::EInvalidType; |
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89 } |
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90 break; |
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91 |
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92 case Tokens::EEnd: |
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93 iInternalState = EStateExpectEndStruct; |
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94 if (iIdentifier->iMembers.size() == 0) |
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95 { |
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96 iResult = Parser::EUnexpectedToken; |
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97 } |
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98 break; |
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99 |
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100 default: |
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101 iResult = Parser::EUnexpectedToken; |
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102 break; |
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103 } |
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104 break; |
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105 |
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106 case EStateExpectMemberNameOrFormat: |
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107 switch (tokenType) |
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108 { |
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109 case Tokens::EIdentifier: |
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110 if (iIdentifier->FindMember(CurrentToken())) |
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111 { |
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112 iResult = Parser::EDuplicateIdentifier; |
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113 delete iTempMember; |
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114 } |
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115 else |
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116 { |
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117 iTempMember->iMemberName = _strdup(CurrentToken()); |
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118 iIdentifier->AddMember(iTempMember); |
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119 iResult = Parser::ENoError; |
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120 } |
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121 iInternalState = EStateExpectMoreMembersOrEnd; |
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122 iTempMember = NULL; |
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123 break; |
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124 |
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125 case Tokens::EDisplayDec: |
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126 case Tokens::EDisplayHex: |
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127 iTempMember->iIdentifierOptions = new TIntegerIdentifierOptions(tokenType == Tokens::EDisplayHex); |
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128 iInternalState = EStateExpectMemberName; |
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129 iResult = Parser::ENoError; |
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130 break; |
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131 } |
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132 break; |
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133 |
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134 case EStateExpectMemberName: |
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135 if (tokenType == Tokens::EIdentifier) |
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136 { |
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137 if (iIdentifier->FindMember(CurrentToken())) |
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138 { |
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139 iResult = Parser::EDuplicateIdentifier; |
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140 delete iTempMember; |
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141 } |
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142 else |
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143 { |
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144 iTempMember->iMemberName = _strdup(CurrentToken()); |
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145 iIdentifier->AddMember(iTempMember); |
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146 iResult = Parser::ENoError; |
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147 } |
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148 iInternalState = EStateExpectMoreMembersOrEnd; |
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149 iTempMember = NULL; |
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150 } |
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151 break; |
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152 |
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153 case EStateExpectEndStruct: |
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154 if (tokenType == Tokens::EStruct) |
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155 { |
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156 ParserSM().AddIdentifier(iIdentifier); |
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157 iIdentifier = NULL; |
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158 iResult = Parser::ENoError; |
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159 } |
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160 ParserSM().SetState(new CInitialState(ParserSM())); |
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161 break; |
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162 |
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163 case EStateExpectPadSize: |
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164 { |
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165 iResult = Parser::ENoError; |
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166 iInternalState = EStateExpectMoreMembersOrEnd; |
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167 unsigned int v = 0; |
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168 if (tokenType == Tokens::ENumberHex) |
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169 { |
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170 v = HexToVal(CurrentToken()); |
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171 } |
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172 else if (tokenType == Tokens::ENumberDec) |
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173 { |
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174 v = atol(CurrentToken()); |
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175 } |
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176 else |
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177 { |
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178 iResult = Parser::EUnexpectedToken; |
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179 delete iTempMember; |
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180 } |
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181 if (iResult == Parser::ENoError) |
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182 { |
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183 if (v >= 1) |
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184 { |
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185 iTempMember->iArraySize = v; |
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186 iIdentifier->AddMember(iTempMember); |
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187 } |
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188 else |
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189 { |
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190 iResult = Parser::EValueOutOfRange; |
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191 delete iTempMember; |
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192 } |
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193 } |
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194 iTempMember = NULL; |
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195 } |
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196 break; |
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197 } |
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198 |
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199 if (iResult != Parser::ENoError) |
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200 { |
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201 ParserSM().SetError(iResult); |
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202 } |
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203 } |
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204 |
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205 |
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206 } // namespace Parser |
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207 |