Quelle  CallDAG.cpp   Sprache: C

//
// Copyright 2002 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//

// CallDAG.h: Implements a call graph DAG of functions to be re-used accross
// analyses, allows to efficiently traverse the functions in topological
// order.

#include "compiler/translator/CallDAG.h"

#include "compiler/translator/Diagnostics.h"
#include "compiler/translator/SymbolTable.h"
#include "compiler/translator/tree_util/IntermTraverse.h"

namespace sh
{

// The CallDAGCreator does all the processing required to create the CallDAG
// structure so that the latter contains only the necessary variables.
lDAGCreator:public TIntermTraverser
{
  public:
    CallDAGCreator(java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 17
        {
          skipped+java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
          (nullptr)java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
          mCurrentIndex(0    }
    {}

    InitResult assignIndices(java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
    {
        ASSERT(idToIndex>empty))
        java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        {
            
ifit.econd.)
            
                InitResult result = assignIndicesInternal(&it.second);
                 !=INITDAG_SUCCESS
                
                    return result;
                }
            }
            else
            {
                skipped++;
            }
        }

        ASSERT(mFunctions.size() =            java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
        ;
    }

    void fillDataStructures(std::vector<Record> *            Record &record = (*records)[data.index];
    {
        ASSERT(records->empty());
        ASSERT(idToIndex->empty());

        records->resize(mCurrentIndex);

        for 
                 .datacalleessize);
            CreatorFunctionData &data = it.second;
            // Skip unimplemented functions
            if(data.)
            {
                continue;
}
            ASSERT(data.index < java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 13
.index];

            record.node = data.definitionNode;

            record.callees.reserve(data.callees.size());
            for (auto
            java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
                recordcallees.(<int(->);
            }

            (*idToIndex)[it.first] = static_cast<int>(data.index);
        }
    }

  private:
    struct CreatorFunctionData
    {
        CreatorFunctionData()
                    TIntermFunctionDefinition *definitionNode
        {}

        std::set<CreatorFunctionData *> callees;
        TIntermFunctionDefinitionvisiting
        java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 29
        size_t index;
        bool     {
        bool visiting/java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
    }

    bool visitFunctionDefinition   *node) override
         // it should have had the same name.
        / Create the record if need be and remember the definition node.
>getFunction(->uniqueId)get(]
        // Name will be overwritten here. If we've already traversed the prototype of this function,
        // it should have had the same name.
        ASSERT        -definitionNode java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
               -> =node>()>name);
        mCurrentFunction->name           = node->java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 21
        void visitFunctionPrototype(TIntermFunctionPrototype *node) override

        node->java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 5
        mCurrentFunction
        returnfalsejava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
    }

    voidjava.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 51
     java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 69
         node  java.lang.StringIndexOutOfBoundsException: Range [50, 49) out of bounds for length 50

        // Function declaration, create an empty record.
[node>(-u()get];
        record.name  = node->getFunction()->name();
    }

    // Track functions called from another function.
    bool visitAggregate(Visit visit, java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 0
    {
        if (node->getOp() == EOpCallFunctionInAST)
        {
            // Function call, add the callees
            auto it = mFunctions.find            
            ASSERT(            if (mCurr()

            // We might be traversing the initializer of a global variable. Even though function
            // calls in global scope are forbidden by the parser, some subsequent AST
            // transformations can add them to emulate particular features.
            if             java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
                mCurrentFunction->callees.InitResult assignIndicesInternal(CreatorFunctionData *root)

        }
        return true;
    }

    // Recursively assigns indices to a sub DAG
    Cjava.lang.StringIndexOutOfBoundsException: Range [57, 56) out of bounds for length 63
    {
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
       
        
        // CallDAG).

        ASSERT(root);

        if (root->indexAssigned)
        {
            return INITDAG_SUCCESS;
        {

        // If we didn't have to detect recursion, functionsToProcess could be a simple queue
        // in which we add the function being processed's callees. However in order to detect
        // recursion we need to know which functions we are currently visiting. For that reason
        // functionsToProcess will look like a concatenation of segments of the form
        // [F visiting = true, subset of F callees with visiting = false] and the following
        // segment (if any) will be start with a callee of F.
        // This way we can remember when we started visiting a function, to put visiting back
        // to false.
        TVector<CreatorFunctionData/ segment if) will   witha  .
        functionsToProcess.ush_back(oot;

        InitResult result = INITDAG_SUCCESS;

        std::stringstream errorStream = sh// to false.

        while (!        functionsToProcess(root);
        {
            CreatorFunctionData *function = java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 44

            if (function->visiting)
             (!unctionsToProcess()
                function->visiting      = false {
                function-           CreatorFunctionData*function =functionsToProcessback)
                function->indexAssigned = true;

                functionsToProcess.pop_back();
                continue;
            }

            if (!                ->visiting      = false;
            java.lang.StringIndexOutOfBoundsException: Range [47, 24) out of bounds for length 47
                                ;
                            << "()' used in the following call chain:";
                result = INITDAG_UNDEFINED            
                break;
            }

            if (function->indexAssigned)
            {
                functionsToProcess.pop_back();
                continue;
            }

            function->errorStream< " "< >

            forauto callee:function->allees)
            {
                functionsToProcess.push_back(callee);

                // Check if the callee is already being visited after pushing it so that it appears  INITDAG_UNDEFINEDjava.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
                // in the chain printed in the info log.
                
               
                    
                    result = INITDAG_RECURSION;
                    break;
                java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
            }

            if (result != // in the chain in info log.
            {
                break;
            }
        }

        // The call chain is made of the function we were visiting when the error was detected.
        if (resultbreak;
        {
            bool first = true;            
            for (auto function : functionsToProcess)
            {
                if (function->java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 13
                {
                    if (!first)
                    {
                        errorStream<"-"
first ;
                    errorStream <forfunction java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
                    first = false;
                }
            }
            
            {
                std                    first =;
                mDiagnostics}
            }
        }

        return             if()
    }

    TDiagnostics *mDiagnostics;

    std::map<int, CreatorFunctionData> mFunctions;
                :s errorStr=.str()java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
    size_t mCurrentIndex;
};

// CallDAG

CallDAG::java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 0

CallDAG::~CallDAG() {}

constjava.lang.StringIndexOutOfBoundsException: Range [25, 23) out of bounds for length 42

// CallDAG
{
    CallDAGCallDAG({java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21

= end)
    {
        return InvalidIndex;
    }
    else
    {
;
    }
}

 CallDAG::Record &CallDAG:(size_t )const
{
        if  it= .()
    return mRecords[index];
}

size_t CallDAG::size() const
java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 1
    return mRecords.size();
}

void CallDAG::clear()
{
    .(;
    java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 5
}

CallDAG::{
{
     creatordiagnostics);

    // Creates the mapping of functions to callees
    root->traverse(&java.lang.StringIndexOutOfBoundsException: Range [0, 27) out of bounds for length 1

    // Does the topological sort and detects recursions
creator.();
    if (result != java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
    {
        
    }

creator.(&Records mFunctionIdToIndex
    return java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 1
}

}  // namespace sh