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ROSE 编译器框架/预处理信息

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概述

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除了节点和边，ROSE AST 可能还具有除节点和边之外的属性，这些属性附加用于预处理信息，如 #include 或 #if .. #else。 它们附加在附近的 AST 节点之前、之后或内部（只有具有源位置信息的节点）。

例如，一个示例翻译器将遍历输入代码的 AST 并转储信息，这些信息可能包括预处理信息。

例如

exampleTranslators/defaultTranslator/preprocessingInfoDumper -c main.cxx
-----------------------------------------------
Found an IR node with preprocessing Info attached:
(memory address: 0x2b7e1852c7d0 Sage type: SgFunctionDeclaration) in file
/export/tmp.liao6/workspace/userSupport/main.cxx (line 3 column 1)
-------------PreprocessingInfo #0 ----------- :
classification = CpreprocessorIncludeDeclaration:
  String format = #include "all_headers.h"

relative position is = before

源代码： http://www.rosecompiler.org/ROSE_Tutorial/ROSE-Tutorial.pdf（第 29 章 - 处理注释、预处理器指令以及向生成的代码添加任意文本）

什么是预处理信息

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它是一种 ROSE AST 元信息，用于存储源代码注释。


它们并不独立存在，而是附加到定位的 sgnode。

  • before：代码段之前
  • after：代码段之后
  • inside：在空作用域内

PreprocessingInfo::RelativePositionType position=PreprocessingInfo::before

 enum RelativePositionType
	     {
	       defaultValue = 0, // let the zero value be an error value
	       undef        = 1, // Position of the directive is only going to be defined
	    // when the preprocessing object is copied into the AST,
	    // it remains undefined before that
	       before       = 2, // Directive goes before the correponding code segment
	       after        = 3, // Directive goes after the corresponding code segment
	       inside       = 4  // Directive goes inside the correponding code segment (as in between "{" and "}" of an empty basic block)
	     };


typedef Rose_STL_Container<PreprocessingInfo*> AttachedPreprocessingInfoType;

  • 源代码注释：C 样式、C++ 样式
  • 预处理器信息：include、define、ifdef、行声明
  • 以及更多
	  enum DirectiveType
	     {
	       CpreprocessorUnknownDeclaration,
           // source comment
	       C_StyleComment,
	       CplusplusStyleComment,

	       CpreprocessorIncludeDeclaration,
               CpreprocessorIncludeNextDeclaration,

	       CpreprocessorDefineDeclaration,
	       CpreprocessorUndefDeclaration,
	       CpreprocessorIfdefDeclaration,
	       CpreprocessorIfndefDeclaration,
	       CpreprocessorIfDeclaration,
	       CpreprocessorDeadIfDeclaration,
	       CpreprocessorElseDeclaration,
	       CpreprocessorElifDeclaration,
	       CpreprocessorEndifDeclaration,

	       CpreprocessorLineDeclaration,
	       CpreprocessorErrorDeclaration,
	    // DQ (10/19/2005): Added CPP warning directive
	       CpreprocessorWarningDeclaration,
	       CpreprocessorEmptyDeclaration,
	    // AS (11/18/05): Added macro support
	       CSkippedToken,
	       CMacroCall,
	    //A line replacement will replace a sub-tree in the AST
	    //after a node with position (filename,line)
	       LineReplacement,
	       ClinkageSpecificationStart,
	       ClinkageSpecificationEnd
	     };

输出预处理信息

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SageInterface::dumpPreprocInfo ()

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void dumpPreprocInfo (SgLocatedNode *locatedNode)

	Dumps a located node's preprocessing information.

(gdb) p SageInterface::dumpPreprocInfo(scope)
-----------------------------------------------   
Found an IR node (at 0x7ffff7ec2230 of type: SgGlobal) in file rose_test_20_2019_lib.cpp
with attached preprocessingInfo numbering #0 :-------------
classification= CplusplusStyleComment:
String format:// tool_G -roseoutline:use_dlopen -rose:outline:copy_orig_file -rose:unparseHeaderFiles -c test_20.cpp

relative position is: after
with attached preprocessingInfo numbering #1 :-------------
classification= CplusplusStyleComment:
String format://

relative position is: after
with attached preprocessingInfo numbering #2 :-------------
classification= CplusplusStyleComment:
String format:// This causes the reprocessing of generated files : generating rose_rose_xxx_lib_lib.cp

relative position is: after
with attached preprocessingInfo numbering #3 :-------------
classification= CplusplusStyleComment:
String format://

relative position is: after
with attached preprocessingInfo numbering #4 :-------------
classification= CpreprocessorIncludeDeclaration:
String format:#include "test_20_2019.h"

relative position is: after
with attached preprocessingInfo numbering #5 :-------------
classification= CplusplusStyleComment:
String format:// other comments here

relative position is: after
$4 = void

内置的 preprocessingInfoDumper

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此工具默认情况下未构建。 您必须手动构建它

  • cd buildDebug/exampleTranslators/defaultTranslator
  • make install


ROSE_SRC/exampleTranslators/defaultTranslator/preprocessingInfoDumper.C

ROSE_INSTALL/bin/preprocessingInfoDumper


! cat test2020_comment_1.f90 
subroutine suba
    implicit none
    write(13,fmt='( &
         &3x,"Damping work: ")')
! good comment
    write(13,fmt='( &
         &3x,"Friction work: ")')
! BAD 1 This comment comes one line later
end subroutine suba


./preprocessingInfoDumper -c test2020_comment_1.f90

-----------------------------------------------
Found an IR node with preprocessing Info attached:
(memory address: 0x2ce0700 Sage type: SgWriteStatement) in file 

test2020_comment_1.f90 (line 5 column 4) 
-------------PreprocessingInfo #0 ----------- : 
classification = FortranStyleComment:
 String format = ! good comment
relative position is = before
-----------------------------------------------
Found an IR node with preprocessing Info attached:
(memory address: 0x2b3e640 Sage type: SgInitializedName) in file 

test2020_comment_1.f90 (line 0 column 0) 
-------------PreprocessingInfo #0 ----------- : 
classification = FortranStyleComment:
 String format = ! BAD 1 This comment comes one line later
relative position is = after

另请参见 rose_attributes_list.C 中的 ROSEAttributesList::display()，用于转储它

bash-3.00$ cat preprocessingInfo.C
// Example ROSE Translator: used within ROSE/tutorial
#include "rose.h"

using namespace std;

// Class declaration
class visitorTraversal:public AstSimpleProcessing
{
public:
  virtual void visit (SgNode * n);
};

void
visitorTraversal::visit (SgNode * n)
{
  // On each node look for any comments of CPP directives
  SgLocatedNode *locatedNode = isSgLocatedNode (n);
  if (locatedNode != NULL)
    {
      AttachedPreprocessingInfoType *comments =
        locatedNode->getAttachedPreprocessingInfo ();

      if (comments != NULL)
        {
          printf
            ("Found attached comments (to IR node at %p of type: %s): \n",
             locatedNode, locatedNode->class_name ().c_str ());
          int counter = 0;
          AttachedPreprocessingInfoType::iterator i;
          for (i = comments->begin (); i != comments->end (); i++)
            {
              printf
                ("          Attached Comment #%d in file %s: classification %s :\n%s\n",
                 counter++,
                 (*i)->get_file_info ()->get_filenameString ().c_str (),
                 PreprocessingInfo::directiveTypeName ((*i)->getTypeOfDirective ()).
                 c_str (), (*i)->getString ().c_str ());
              if ((*i)->getRelativePosition () == PreprocessingInfo::inside)
                printf ("      relative position is inside\n");
              else
                printf ("      relative position is %s\n", \
         ((*i)->getRelativePosition () == PreprocessingInfo::before) ? "before" : "after");
            }
        }
      else
        {
//        printf ("No attached comments (at %p of type: %s): \n", locatedNode,
//                locatedNode->sage_class_name ());
        }
    }
}

int
main (int argc, char *argv[])
{
  // Build the AST used by ROSE
  SgProject *project = frontend (argc, argv);

  // Build the traversal object
  visitorTraversal exampleTraversal;

  // Call the traversal starting at the project node of the AST
  // Traverse all header files and source file (the -rose:collectAllCommentsAndDirectives
  // commandline option controls if comments and CPP directives are separately extracted
  // from header files).
  exampleTraversal.traverse (project, preorder);

  return backend (project);
}

创建和插入到 AST

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调用堆栈

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两个阶段：首先收集它们，然后将它们附加到匹配的节点

main()

  • frontend()
    • frontend()
      • SgProject()
        • SgProject::parse()
          • SgProject::parse()
            • determineFileType()
              • SgSourceFile::callFrontEnd()
                • SgFile::callFrontEnd()
                  • attachPreprocessingInfo(sourceFile); attachPreprocessingInfo.C

class AttachPreprocessingInfoTreeTrav // attach_all_info.C/h

  • AttachAllPreprocessingInfoTreeTrav::evaluateSynthesizedAttribute()
  • AttachAllPreprocessingInfoTreeTrav::evaluateInheritedAttribute()


Fortran 代码

main
frontend
frontend
SgProject::SgProject()
SgProject::parse
SgProject::parse
SgFile::secondaryPassOverSourceFile () src/frontend/SageIII/sageSupport.C:5049
attachPreprocessingInfo()  src/frontend/SageIII/attachPreprocessingInfo.C:636
AstTopDownBottomUpProcessing
SgTreeTraversal
AttachPreprocessingInfoTreeTrav::evaluateInheritedAttribute() src/frontend/SageIII/attachPreprocessingInfoTraversal.C:750
AttachPreprocessingInfoTreeTrav::getListOfAttributes
AttachPreprocessingInfoTreeTrav::buildCommentAndCppDirectiveList() src/frontend/SageIII/attachPreprocessingInfoTraversal.C:514
ROSEAttributesList::collectPreprocessorDirectivesAndCommentsForAST() src/frontend/SageIII/rose_attributes_list.C:1973

调用 attachPreprocessingInfo() 将它们附加

  • C/C++ SgFile::callFrontEnd()
  • Fortran：SgSourceFile::build_Fortran_AST()

SgLocatedNode::addToAttachedPreprocessingInfo(PreprocessingInfo *prepInfoPtr, PreprocessingInfo::RelativePositionType locationInList )

locationInList 滥用了 PreprocessingInfo::RelativePositionType，这里只有 before 和 after 位置有意义，用于指定信息列表的头部或尾部。

PreprocessingInfo::before


gdb 断点

> break PreprocessingInfo::PreprocessingInfo(PreprocessingInfo::DirectiveType, std::string const&, std::string const&, int, int, int, PreprocessingInfo::RelativePositionType)

算法

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src/frontend/SageIII/attachPreprocessingInfoTraversal.C

SgFile（总是）构造函数调用该函数

  • void attachPreprocessingInfo(SgFile *sageFilePtr); 它反过来调用
    • getPreprocessorDirectives（见上文），然后

调用一个树遍历，以将预处理器指令（即 preprocessingInfo 对象）附加到 AST 中的定位节点。

为此，数据成员 attachedPreprocessingInfoType* attachedPreprocessingInfoPtr; 可供 SgLocatedNode 类使用。 这是在 ROSETTA/src/node.C 中完成的。

此外，还存在相应的访问函数

  • void addToAttachedPreprocessingInfo(preprocessingInfo *prepInfoPtr);
  • attachedPreprocessingInfoType* getAttachedPreprocessingInfo(void);

到 SgLocatedNode 类。 这是在 ROSETTA/Grammar/LocatedNode.code 中完成的。

树遍历的工作原理如下

  • 每当它遇到一个定位节点时
  • 它会检查是否存在预处理信息，其行号小于或等于当前定位节点的行号（当前：当前语句）。
    • 如果是这种情况，则相应的预处理信息将附加到当前定位节点（当前：在当前语句之前），取消解析标志：“before”。 所有这些都在派生树遍历类的 evaluateInheritedAttribute 成员函数中完成。
  • evaluateSynthesizedAttribute 成员函数在遍历返回到 SgFile 对象时立即删除 preprocessingInfo 对象列表，并将尾随预处理信息附加到在文件中访问过的最后一个定位节点（当前为最后一个语句）（取消解析标志：“after”）。

注意，preprocessingInfo 对象始终附加到 AST 节点。 通过切换 USE_OLD_MECHANISM_OF_HANDLING_PREPROCESSING_INFO 标志，您仅更改取消解析器所基于的机制！ 如果 USE_OLD_MECHANISM_OF_HANDLING_PREPROCESSING_INFO 设置为 1，则取消解析器将简单地忽略已附加到 AST 节点的 preprocessingInfo 对象。

处理预处理信息的问题可以在目录 ROSE/TESTS/KnownBugs/AttachPreprocessingInfo 中找到。

附加函数

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// frontend/SageIII/attachPreprocessingInfoTraversal.C

void AttachPreprocessingInfoTreeTrav::iterateOverListAndInsertPreviouslyUninsertedElementsAppearingBeforeLineNumber ( SgLocatedNode* locatedNode, int lineNumber, PreprocessingInfo::RelativePositionType location, bool reset_start_index, ROSEAttributesList *currentListOfAttributes)


iterateOverListAndInsertPreviouslyUninsertedElementsAppearingBeforeLineNumber() 的不同调用位置

如何决定不同的位置

  • before：AttachPreprocessingInfoTreeTrav::evaluateInheritedAttribute ( SgNode *n,AttachPreprocessingInfoTreeTraversalInheritedAttrribute inheritedAttribute)
    • 如果遍历在 evaluateInheritedAttribute() 中，则附加到当前语句的 before 位置。
      • 调用 iterateOverListAndInsertPreviouslyUninsertedElementsAppearingBeforeLineNumber(currentLocNodePtr,line,PreprocessingInfo::before, reset_start_index, currentListOfAttributes );
  • 在内部：AttachPreprocessingInfoTreeTrav::evaluateSynthesizedAttribute( SgNode *n, AttachPreprocessingInfoTreeTraversalInheritedAttrribute inheritedAttribute, SubTreeSynthesizedAttributes synthiziedAttributeList)
    • 在 evaluateSynthesizedAttribute() 中离开节点时，附加到多行定位节点的内部位置。
  • 在之后：AttachPreprocessingInfoTreeTrav::evaluateSynthesizedAttribute( SgNode *n, AttachPreprocessingInfoTreeTraversalInheritedAttrribute inheritedAttribute, SubTreeSynthesizedAttributes synthiziedAttributeList)
    • 例如，如果遍历在 evaluateSynthesizedAttribute() 中离开 V_SgSourceFile，则附加到先前定位节点的 after 位置。

注释

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并非所有定位节点都可以有注释！！

     SgFunctionDeclaration* functionDeclaration = isSgFunctionDeclaration(n);
     if (functionDeclaration != NULL)
        {
          string comment = string("// Auto-comment function name: ") +
                           functionDeclaration->get_name().str() +
                           " is now a commented function";
          PreprocessingInfo* commentInfo =
               new PreprocessingInfo(PreprocessingInfo::CplusplusStyleComment,
               comment,"user-generated",0, 0, 0, PreprocessingInfo::before);
          functionDeclaration->addToAttachedPreprocessingInfo(commentInfo);
        }

任意文本

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比注释更通用

    SgLocatedNode* node = *iter2;
      std::ostringstream o;
      o<<node;
      std::string text = "\n/* HPCToolKit raw data: " +profileNode->toString();
      text += " -> "+ string(node->sage_class_name()) + " " + o.str() + "*/\n"; 
      // attach the text before the node (node is e_after the text)
      SageInterface::addTextForUnparser(node,text,AstUnparseAttribute::e_after);

删除

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不能在迭代容器时删除元素。将元素子集保存到另一个容器中，然后删除它们。

 
  AttachedPreprocessingInfoType *comments =
    node->getAttachedPreprocessingInfo ();
  if (comments==NULL)
    return 0;
  AttachedPreprocessingInfoType::iterator i;
  std::vector< PreprocessingInfo* > removeList;
  for (i = comments->begin (); i != comments->end (); i++)
  { 
       // if...
      removeList.push_back(*i);"
   }

   // remove those comments
  for (std::vector<PreprocessingInfo* >::iterator j = removeList.begin();
       j!=removeList.end();j++)
  {
    comments->erase(find(comments->begin(), comments->end(),*j));
    // free memory also?
    free(*j);

  }

将注释移动到新语句

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当我们删除或替换 AST 中的语句时，应保留源注释和 #if 指令。

可能的调用堆栈是

  • SageInterface::removeStatement () 来自 src/frontend/SageIII/sageInterface/sageInterface.C:10086
    • SageInterface::moveCommentsToNewStatement 来自 src/frontend/SageIII/sageInterface/sageInterface.C:10193

如何调试

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调试插入操作：SgLocatedNode::addToAttachedPreprocessingInfo() 在 buildTree 的 Cxx_Grammar.C 中

b SgLocatedNode::addToAttachedPreprocessingInfo(PreprocessingInfo*, PreprocessingInfo::RelativePositionType)

C/C++ 示例调试输出

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b Cxx_Grammar.C:54114

Breakpoint 1, SgLocatedNode::addToAttachedPreprocessingInfo (this=0x2aadaee62010, prepInfoPtr=0x2aadb00c0190, locationInList=after) at Cxx_Grammar.C:54114
54114        ROSE_ASSERT(prepInfoPtr != NULL);
(gdb) bt
#0  SgLocatedNode::addToAttachedPreprocessingInfo (this=0x2aadaee62010, prepInfoPtr=0x2aadb00c0190, locationInList=after) at Cxx_Grammar.C:54114
#1  0x00002aaaabb6afc3 in AttachPreprocessingInfoTreeTrav::iterateOverListAndInsertPreviouslyUninsertedElementsAppearingBeforeLineNumber (this=0x7fffffffd820, 
    locatedNode=0x2aadaee62010, lineNumber=1000000000, location=after, reset_start_index=true, currentListOfAttributes=0x2aadb00bf840)
    at ../../../../sourcetree/src/frontend/SageIII/attachPreprocessingInfoTraversal.C:313
#2  0x00002aaaabb6d8a9 in AttachPreprocessingInfoTreeTrav::evaluateSynthesizedAttribute (this=0x7fffffffd820, n=0x2aaab05eb010, inheritedAttribute=..., 
    synthiziedAttributeList=...) at ../../../../sourcetree/src/frontend/SageIII/attachPreprocessingInfoTraversal.C:1081
#3  0x00002aaaabb19e60 in SgTreeTraversal<AttachPreprocessingInfoTreeTraversalInheritedAttrribute, AttachPreprocessingInfoTreeTraversalSynthesizedAttribute>::performTraversal(SgNode *, AttachPreprocessingInfoTreeTraversalInheritedAttrribute, <anonymous enum>) (this=0x7fffffffd820, node=0x2aaab05eb010, inheritedValue=..., 
    treeTraversalOrder=preandpostorder) at ../../../../sourcetree/src/midend/astProcessing/AstProcessing.h:1297
#4  0x00002aaaabb13730 in SgTreeTraversal<AttachPreprocessingInfoTreeTraversalInheritedAttrribute, AttachPreprocessingInfoTreeTraversalSynthesizedAttribute>::traverse(SgNode *, AttachPreprocessingInfoTreeTraversalInheritedAttrribute, <anonymous enum>) (this=0x7fffffffd820, node=0x2aaab05eb010, inheritedValue=..., 
    treeTraversalOrder=preandpostorder) at ../../../../sourcetree/src/midend/astProcessing/AstProcessing.h:879
#5  0x00002aaaabb1381e in SgTreeTraversal<AttachPreprocessingInfoTreeTraversalInheritedAttrribute, AttachPreprocessingInfoTreeTraversalSynthesizedAttribute>::traverseWithinFile(SgNode *, AttachPreprocessingInfoTreeTraversalInheritedAttrribute, <anonymous enum>) (this=0x7fffffffd820, node=0x2aaab05eb010, inheritedValue=..., 
    treeTraversalOrder=preandpostorder) at ../../../../sourcetree/src/midend/astProcessing/AstProcessing.h:841
#6  0x00002aaaabb0cf65 in AstTopDownBottomUpProcessing<AttachPreprocessingInfoTreeTraversalInheritedAttrribute, AttachPreprocessingInfoTreeTraversalSynthesizedAttribute>::traverseWithinFile (this=0x7fffffffd820, node=0x2aaab05eb010, inheritedValue=...) at ../../../../sourcetree/src/midend/astProcessing/AstProcessing.h:659
#7  0x00002aaaabb0268d in attachPreprocessingInfo (sageFilePtr=0x2aaab05eb010) at ../../../../sourcetree/src/frontend/SageIII/attachPreprocessingInfo.C:636
#8  0x00002aaaabb979f5 in SgFile::secondaryPassOverSourceFile (this=0x2aaab05eb010) at ../../../../sourcetree/src/frontend/SageIII/sageSupport.C:5049
#9  0x00002aaaabb95360 in SgProject::parse (this=0x2aaab057d010) at ../../../../sourcetree/src/frontend/SageIII/sageSupport.C:4104
#10 0x00002aaaabb94668 in SgProject::parse (this=0x2aaab057d010, argv=...) at ../../../../sourcetree/src/frontend/SageIII/sageSupport.C:3828
#11 0x00002aaaabc2704a in SgProject::SgProject (this=0x2aaab057d010, argv=...) at Cxx_Grammar.C:21076
#12 0x00002aaaad5af1d4 in frontend (argv=...) at ../../../sourcetree/src/roseSupport/utility_functions.C:138
#13 0x00002aaaad5af070 in frontend (argc=2, argv=0x7fffffffdde8) at ../../../sourcetree/src/roseSupport/utility_functions.C:118
#14 0x0000000000403e4d in main (argc=2, argv=0x7fffffffdde8) at ../../../sourcetree/exampleTranslators/defaultTranslator/preprocessingInfoDumper.C:54

Fortran 调试输出

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Breakpoint 1, SgLocatedNode::addToAttachedPreprocessingInfo (this=0x20b0f50, prepInfoPtr=0xb0ca50, locationInList=PreprocessingInfo::after) at Cxx_Grammar.C:89431
(gdb) info breakpoints
Num     Type           Disp Enb Address            What
1       breakpoint     keep y   0x00007ffff458a702 in SgLocatedNode::addToAttachedPreprocessingInfo(PreprocessingInfo*, PreprocessingInfo::RelativePositionType) at Cxx_Grammar.C:89431
        breakpoint already hit 1 time
(gdb) p this->class_name()
$1 = "SgWriteStatement"
(gdb) bt
#0  SgLocatedNode::addToAttachedPreprocessingInfo (this=0x20b0f50, prepInfoPtr=0xb0ca50, locationInList=PreprocessingInfo::after) at Cxx_Grammar.C:89431
#1  0x00007ffff440b302 in AttachPreprocessingInfoTreeTrav::iterateOverListAndInsertPreviouslyUninsertedElementsAppearingBeforeLineNumber (this=0x7fffffff9840, locatedNode=0x20b0f50, lineNumber=5, location=Preprocessin
gInfo::before, reset_start_index=false, currentListOfAttributes=0xb02bc0) at ../../../../sourcetree/src/frontend/SageIII/attachPreprocessingInfoTraversal.C:539
#2  0x00007ffff440e3b6 in AttachPreprocessingInfoTreeTrav::evaluateInheritedAttribute (this=0x7fffffff9840, n=0x20b0f50, inheritedAttribute=...) at ../../../../sourcetree/src/frontend/SageIII/attachPreprocessingInfoTr
aversal.C:2837
#3  0x00007ffff43c4fcf in SgTreeTraversal<AttachPreprocessingInfoTreeTraversalInheritedAttrribute, AttachPreprocessingInfoTreeTraversalSynthesizedAttribute>::performTraversal (this=0x7fffffff9840, node=0x20b0f50, inhe
ritedValue=..., treeTraversalOrder=preandpostorder) at ../../../../sourcetree/src/midend/astProcessing/AstProcessing.h:774
#4  0x00007ffff43c5168 in SgTreeTraversal<AttachPreprocessingInfoTreeTraversalInheritedAttrribute, AttachPreprocessingInfoTreeTraversalSynthesizedAttribute>::performTraversal (this=0x7fffffff9840, node=0x1c53ae0, inhe
ritedValue=..., treeTraversalOrder=preandpostorder) at ../../../../sourcetree/src/midend/astProcessing/AstProcessing.h:828
#5  0x00007ffff43c5168 in SgTreeTraversal<AttachPreprocessingInfoTreeTraversalInheritedAttrribute, AttachPreprocessingInfoTreeTraversalSynthesizedAttribute>::performTraversal (this=0x7fffffff9840, node=0x1cf7bf0, inhe
ritedValue=..., treeTraversalOrder=preandpostorder) at ../../../../sourcetree/src/midend/astProcessing/AstProcessing.h:828
#6  0x00007ffff43c5168 in SgTreeTraversal<AttachPreprocessingInfoTreeTraversalInheritedAttrribute, AttachPreprocessingInfoTreeTraversalSynthesizedAttribute>::performTraversal (this=0x7fffffff9840, node=0x7fff39b31010,
 inheritedValue=..., treeTraversalOrder=preandpostorder) at ../../../../sourcetree/src/midend/astProcessing/AstProcessing.h:828
#7  0x00007ffff43c5168 in SgTreeTraversal<AttachPreprocessingInfoTreeTraversalInheritedAttrribute, AttachPreprocessingInfoTreeTraversalSynthesizedAttribute>::performTraversal (this=0x7fffffff9840, node=0x7ffff7ee1120,
 inheritedValue=..., treeTraversalOrder=preandpostorder) at ../../../../sourcetree/src/midend/astProcessing/AstProcessing.h:828
#8  0x00007ffff43c5168 in SgTreeTraversal<AttachPreprocessingInfoTreeTraversalInheritedAttrribute, AttachPreprocessingInfoTreeTraversalSynthesizedAttribute>::performTraversal (this=0x7fffffff9840, node=0x7fffeb8de010,
 inheritedValue=..., treeTraversalOrder=preandpostorder) at ../../../../sourcetree/src/midend/astProcessing/AstProcessing.h:828
#9  0x00007ffff43bfb13 in SgTreeTraversal<AttachPreprocessingInfoTreeTraversalInheritedAttrribute, AttachPreprocessingInfoTreeTraversalSynthesizedAttribute>::traverse (this=0x7fffffff9840, node=0x7fffeb8de010, inherit
edValue=..., treeTraversalOrder=preandpostorder) at ../../../../sourcetree/src/midend/astProcessing/AstProcessing.h:742
#10 0x00007ffff43bfcb3 in SgTreeTraversal<AttachPreprocessingInfoTreeTraversalInheritedAttrribute, AttachPreprocessingInfoTreeTraversalSynthesizedAttribute>::traverseWithinFile (this=0x7fffffff9840, node=0x7fffeb8de01
0, inheritedValue=..., treeTraversalOrder=preandpostorder) at ../../../../sourcetree/src/midend/astProcessing/AstProcessing.h:702
#11 0x00007ffff43bbd0f in AstTopDownBottomUpProcessing<AttachPreprocessingInfoTreeTraversalInheritedAttrribute, AttachPreprocessingInfoTreeTraversalSynthesizedAttribute>::traverseWithinFile (this=0x7fffffff9840, node=
0x7fffeb8de010, inheritedValue=...) at ../../../../sourcetree/src/midend/astProcessing/AstProcessing.h:502
#12 0x00007ffff43b3740 in attachPreprocessingInfo (sageFilePtr=0x7fffeb8de010) at ../../../../sourcetree/src/frontend/SageIII/attachPreprocessingInfo.C:797
#13 0x00007ffff444a14c in SgFile::secondaryPassOverSourceFile (this=0x7fffeb8de010) at ../../../../sourcetree/src/frontend/SageIII/sage_support/sage_support.cpp:3597
#14 0x00007ffff4447a5d in SgProject::parse (this=0x7fffeba2b010) at ../../../../sourcetree/src/frontend/SageIII/sage_support/sage_support.cpp:2593
#15 0x00007ffff444673a in SgProject::parse (this=0x7fffeba2b010, argv=std::vector of length 9, capacity 9 = {...}) at ../../../../sourcetree/src/frontend/SageIII/sage_support/sage_support.cpp:1965
#16 0x00007ffff4525653 in SgProject::SgProject (this=0x7fffeba2b010, argv=std::vector of length 9, capacity 9 = {...}, frontendConstantFolding=false) at Cxx_Grammar.C:29216
#17 0x00007ffff674644d in frontend (argv=std::vector of length 9, capacity 9 = {...}, frontendConstantFolding=false) at ../../../sourcetree/src/roseSupport/utility_functions.C:482
#18 0x00007ffff6746300 in frontend (argc=9, argv=0x7fffffffa738, frontendConstantFolding=false) at ../../../sourcetree/src/roseSupport/utility_functions.C:444
#19 0x000000000040a820 in main (argc=9, argv=0x7fffffffa738) at ../../../../sourcetree/tests/nonsmoke/functional/testTranslator.C:59
检索自 "https://wikibooks.cn/w/index.php?title=ROSE_Compiler_Framework/PreprocessingInfo&oldid=4421809"
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