src/kits/debugger/source_language/c_family/CLanguageFamily.cpp

   1 /*
   2  * Copyright 2013-2014, Rene Gollent, rene@gollent.com.
   3  * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
   4  * Distributed under the terms of the MIT License.
   5  */
   6
   7 #include "CLanguageFamily.h"
   8
   9 #include <new>
  10
  11 #include <stdlib.h>
  12
  13 #include "CLanguageExpressionEvaluator.h"
  14 #include "CLanguageFamilySyntaxHighlighter.h"
  15 #include "CLanguageTokenizer.h"
  16 #include "ExpressionInfo.h"
  17 #include "TeamTypeInformation.h"
  18 #include "StringValue.h"
  19 #include "Type.h"
  20 #include "TypeLookupConstraints.h"
  21
  22
  23 using CLanguage::ParseException;
  24
  25
  26 CLanguageFamily::CLanguageFamily()
  27 {
  28 }
  29
  30
  31 CLanguageFamily::~CLanguageFamily()
  32 {
  33 }
  34
  35
  36 SyntaxHighlighter*
  37 CLanguageFamily::GetSyntaxHighlighter() const
  38 {
  39         return new(std::nothrow) CLanguageFamilySyntaxHighlighter();
  40 }
  41
  42
  43 status_t
  44 CLanguageFamily::EvaluateExpression(const BString& expression,
  45         ValueNodeManager* manager, TeamTypeInformation* info,
  46         ExpressionResult*& _output, ValueNode*& _neededNode)
  47 {
  48         _output = NULL;
  49         _neededNode = NULL;
  50         CLanguageExpressionEvaluator evaluator;
  51         try {
  52                 _output = evaluator.Evaluate(expression, manager, info);
  53                 return B_OK;
  54         } catch (ParseException ex) {
  55                 BString error;
  56                 error.SetToFormat("Parse error at position %" B_PRId32 ": %s",
  57                         ex.position, ex.message.String());
  58                 StringValue* value = new(std::nothrow) StringValue(error.String());
  59                 if (value == NULL)
  60                         return B_NO_MEMORY;
  61                 BReference<Value> valueReference(value, true);
  62                 _output = new(std::nothrow) ExpressionResult();
  63                 if (_output == NULL)
  64                         return B_NO_MEMORY;
  65                 _output->SetToPrimitive(value);
  66                 return B_BAD_DATA;
  67         } catch (ValueNeededException ex) {
  68                 _neededNode = ex.value;
  69         }
  70
  71         return B_OK;
  72 }