| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| #include <precomp.h> |
| #include "pe_expr.hxx" |
| |
| |
| // NOT FULLY DECLARED SERVICES |
| |
| |
| namespace cpp { |
| |
| |
| |
| PE_Expression::PE_Expression( Cpp_PE * i_pParent ) |
| : Cpp_PE(i_pParent), |
| pStati( new PeStatusArray<PE_Expression> ), |
| aResult_Text(100), |
| nBracketCounter(0) |
| { |
| Setup_StatusFunctions(); |
| } |
| |
| |
| PE_Expression::~PE_Expression() |
| { |
| } |
| |
| void |
| PE_Expression::Call_Handler( const cpp::Token & i_rTok ) |
| { |
| pStati->Cur().Call_Handler(i_rTok.TypeId(), i_rTok.Text()); |
| |
| #if 0 |
| switch (i_rTok.TypeId()) |
| { |
| case Tid_SwBracket_Left: SetTokenResult(done, stay); |
| nBracketCounter++; |
| bBlockOpened = true; |
| break; |
| case Tid_SwBracket_Right: SetTokenResult(done, stay); |
| nBracketCounter--; |
| break; |
| case Tid_Semicolon: if (nBracketCounter == 0) |
| SetTokenResult(done, pop_success); |
| else |
| SetTokenResult(done, stay); |
| break; |
| default: |
| if ( bBlockOpened AND nBracketCounter == 0 ) |
| { |
| SetTokenResult(not_done, pop_success); |
| } |
| else |
| { |
| SetTokenResult(done, stay); |
| } |
| } // end switch |
| #endif // 0 |
| } |
| |
| void |
| PE_Expression::Setup_StatusFunctions() |
| { |
| typedef CallFunction<PE_Expression>::F_Tok F_Tok; |
| |
| static F_Tok stateF_std[] = { &PE_Expression::On_std_SwBracket_Left, |
| &PE_Expression::On_std_SwBracket_Right, |
| &PE_Expression::On_std_ArrayBracket_Left, |
| &PE_Expression::On_std_ArrayBracket_Right, |
| &PE_Expression::On_std_Bracket_Left, |
| &PE_Expression::On_std_Bracket_Right, |
| &PE_Expression::On_std_Semicolon, |
| &PE_Expression::On_std_Comma }; |
| static INT16 stateT_std[] = { Tid_SwBracket_Left, |
| Tid_SwBracket_Right, |
| Tid_ArrayBracket_Left, |
| Tid_ArrayBracket_Right, |
| Tid_Bracket_Left, |
| Tid_Bracket_Right, |
| Tid_Semicolon, |
| Tid_Comma }; |
| |
| SEMPARSE_CREATE_STATUS(PE_Expression, std, On_std_Default); |
| } |
| |
| void |
| PE_Expression::InitData() |
| { |
| pStati->SetCur(std); |
| aResult_Text.seekp(0); |
| nBracketCounter = 0; |
| } |
| |
| void |
| PE_Expression::TransferData() |
| { |
| pStati->SetCur(size_of_states); |
| if ( aResult_Text.tellp() > 0) |
| aResult_Text.pop_back(1); |
| } |
| |
| void |
| PE_Expression::On_std_Default( const char * i_sText) |
| { |
| SetTokenResult(done, stay); |
| aResult_Text << i_sText << " "; |
| } |
| |
| void |
| PE_Expression::On_std_SwBracket_Left( const char *) |
| { |
| SetTokenResult(done, stay); |
| nBracketCounter++; |
| } |
| |
| void |
| PE_Expression::On_std_SwBracket_Right( const char *) |
| { |
| nBracketCounter--; |
| if ( nBracketCounter >= 0 ) |
| SetTokenResult(done, stay); |
| else |
| SetTokenResult(not_done, pop_success); |
| } |
| |
| void |
| PE_Expression::On_std_ArrayBracket_Left( const char *) |
| { |
| SetTokenResult(done, stay); |
| nBracketCounter++; |
| } |
| |
| void |
| PE_Expression::On_std_ArrayBracket_Right( const char *) |
| { |
| nBracketCounter--; |
| if ( nBracketCounter >= 0 ) |
| SetTokenResult(done, stay); |
| else |
| SetTokenResult(not_done, pop_success); |
| } |
| |
| void |
| PE_Expression::On_std_Bracket_Left( const char *) |
| { |
| SetTokenResult(done, stay); |
| nBracketCounter++; |
| } |
| |
| void |
| PE_Expression::On_std_Bracket_Right( const char *) |
| { |
| nBracketCounter--; |
| if ( nBracketCounter >= 0 ) |
| SetTokenResult(done, stay); |
| else |
| SetTokenResult(not_done, pop_success); |
| } |
| |
| void |
| PE_Expression::On_std_Semicolon( const char *) |
| { |
| SetTokenResult(not_done, pop_success); |
| } |
| |
| void |
| PE_Expression::On_std_Comma( const char *) |
| { |
| SetTokenResult(not_done, pop_success); |
| } |
| |
| |
| } // namespace cpp |
| |
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