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920 lines
23 KiB
C++
920 lines
23 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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/*
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The instruction graph visulizer.
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IGVisualizer.cpp
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Peter DeSantis
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*/
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#if defined(DEBUG) && (defined(WIN32) || defined(USE_MESA)) && defined(IGVISUALIZE)
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <GL/glut.h>
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#include "CodeGenerator.h"
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#include "IGVisualizer.h"
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#include "Instruction.h"
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#include "Primitives.h"
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#include "Vector.h"
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// To allow glut callbacks to access member data
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IGVisualizer* IGVisualizer::self = NULL;
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IGVisualizer::
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IGVisualizer()
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{
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font = GLUT_STROKE_ROMAN;
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zoomFactor = 2;
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cumZoom = 1;
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objectCenterX = 0;
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objectCenterY = 0;
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mouseCenterX = 0;
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mouseCenterY = 0;
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nodeLocX = 0;
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nodeLocY = 0;
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xWindowDim = 800; // Dimension of window
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yWindowDim = 600;
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xDimGL = 10000;
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yDimGL = 10000;
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centerX = 0;
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centerY = 0;
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INSTRUCTIONWIDTH = 1400; // The size of the instruction itself
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INSTRUCTIONHEIGHT = 500 ;
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FRAMEWIDTH = 1450; // Frame is the area around an instruction
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FRAMEHEIGHT = 750;
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BORDERWIDTH = 20; // Border around an instruction
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SPACEBETWEENTREES = 130;
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ARGUMENTREGISTERS = 4; // VR <= AURGUMENTMENTREGISTERS
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self = this;
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roots = new Vector<VisualInstructionRoot>;
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}
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IGVisualizer ::
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~IGVisualizer()
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{
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delete roots;
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}
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/*
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Add all the roots you want to be visualized before calling visualize
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*/
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void IGVisualizer ::
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addRoots(Vector<RootPair>& inRoots)
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{
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RootPair* curRoot;
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VisualInstructionRoot* vRoot = NULL;
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for(curRoot = inRoots.begin(); curRoot < inRoots.end(); curRoot++)
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{
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DataNode* curOutput;
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Instruction* nextInsn;
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if(curRoot->root->getOutgoingEdgesEnd() > curRoot->root->getOutgoingEdgesBegin())
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{
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// now walk through all vr's assigned to this producer
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VirtualRegister* curVR;
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for (curOutput = curRoot->root->getOutgoingEdgesBegin();
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curOutput < curRoot->root->getOutgoingEdgesEnd();
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curOutput++)
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{
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switch (curOutput->kind)
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{
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case vkCond:
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case vkMemory:
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nextInsn = curOutput->getInstructionAnnotation();
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break;
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default:
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curVR = curOutput->getVirtualRegisterAnnotation();
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assert (curVR);
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nextInsn = curVR->getDefineInstruction();
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break;
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}
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assert (nextInsn);
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vRoot = new VisualInstructionRoot;
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vRoot->root = nextInsn;
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vRoot->exploringAsRoot = false;
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vRoot->locAsCSE = new Vector<TreeLocation>;
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vRoot->currentCSE = NULL;
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vRoot->locAsRoot = NULL;
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roots->append(*vRoot);
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}
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}
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if (curRoot->root->getInstructionRoot() != NULL) {
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nextInsn = curRoot->root->getInstructionRoot();
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vRoot = new VisualInstructionRoot;
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vRoot->root = nextInsn;
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vRoot->exploringAsRoot = false;
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vRoot->locAsCSE = new Vector<TreeLocation>;
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vRoot->currentCSE = NULL;
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vRoot->locAsRoot = NULL;
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roots->append(*vRoot);
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}
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}
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}
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/*
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Internal routine which visualizes the set of roots
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*/
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void IGVisualizer ::
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visualizeRoots()
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{
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int bottom = 0;
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int left = 0;
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VisualInstructionRoot* curRoot;
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for(curRoot = self->roots->begin(); curRoot < self->roots->end(); curRoot++)
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{
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curRoot->exploringAsRoot = true;
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curRoot->locAsRoot = &DrawTree(*(curRoot->root), bottom, left);
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bottom = curRoot->locAsRoot->top + self->SPACEBETWEENTREES;
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curRoot->exploringAsRoot = false;
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}
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}
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VisualInstructionRoot* IGVisualizer ::
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isInRoots(Instruction* subRoot)
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{
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VisualInstructionRoot* curRoot;
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for(curRoot = self->roots->begin(); curRoot < self->roots->end(); curRoot++)
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if(curRoot->root == subRoot)
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return curRoot;
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return NULL;
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}
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/*
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Internal routine to draw the tree rooted a root so that root's bottom is at yBottom
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and the tree rooted at root extends to xLeft.
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*/
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TreeLocation& IGVisualizer ::
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DrawTree(Instruction& root, int yBottom, int xLeft)
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{
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Instruction* subRoot;
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InstructionUse* curUse;
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TreeLocation* loc;
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TreeLocation* myLocation = new TreeLocation;
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Vector<TreeLocation> subTreeLocations;
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VisualInstructionRoot* vRoot;
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int left = xLeft;
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int top = yBottom + self->FRAMEHEIGHT;
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if(root.next == NULL)
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{
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assert(root.prev == NULL);
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assert(root.getInstructionDefineEnd() == root.getInstructionDefineBegin() +1);
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assert(root.getInstructionUseEnd() == root.getInstructionUseBegin() +1);
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// Instruction has been removed from the list
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curUse = root.getInstructionUseBegin();
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subRoot = CodeGenerator::instructionUseToInstruction(*curUse);
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if(subRoot != NULL)
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{
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vRoot = isInRoots(subRoot);
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if(vRoot != NULL) // CSE
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{
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loc = new TreeLocation;
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loc->rootMiddle = (float)self->FRAMEWIDTH/2 + left;
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loc->right = self->FRAMEWIDTH + left;
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loc->top = yBottom + self->FRAMEHEIGHT;
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loc->bottom = yBottom;
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DrawSubExpressionNode(subRoot, loc->rootMiddle, loc->bottom);
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vRoot->locAsCSE->append(*loc);
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loc = new TreeLocation;
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loc->rootMiddle = (float)self->FRAMEWIDTH/2 + left;
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loc->right = self->FRAMEWIDTH + left;
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loc->top = yBottom + self->FRAMEHEIGHT;
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loc->bottom = yBottom;
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return *loc;
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} else
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{
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PrimitiveOperation op = subRoot->getPrimitive()->getOperation();
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switch (op)
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{
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case(poPhi_M):
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case(poPhi_I):
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case(poPhi_L):
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case(poPhi_F):
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case(poPhi_D):
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case(poPhi_A):
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case(poPhi_C):
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loc = new TreeLocation;
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loc->rootMiddle = (float)self->FRAMEWIDTH/2 + left;
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loc->right = self->FRAMEWIDTH + left;
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loc->top = yBottom + self->FRAMEHEIGHT;
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loc->bottom = yBottom;
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DrawDummyNode(loc->rootMiddle, loc->bottom);
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return *loc;
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break;
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default:
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return DrawTree(*subRoot, yBottom, left);
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break;
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}
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}
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} else { // This input is not defined
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loc = new TreeLocation;
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loc->rootMiddle = (float)self->FRAMEWIDTH/2 + left;
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loc->right = self->FRAMEWIDTH + left;
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loc->top = yBottom + self->FRAMEHEIGHT;
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loc->bottom = yBottom;
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if( (curUse->kind == udRegister) && ((*(curUse->name.vr)).index <= self->ARGUMENTREGISTERS) )
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{
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DrawArgumentNode(loc->rootMiddle, loc->bottom);
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} else
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DrawDummyNode(loc->rootMiddle, loc->bottom);
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return *loc;
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}
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}
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assert(root.prev != NULL);
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// Draw your sub trees
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for(curUse = root.getInstructionUseBegin(); curUse < root.getInstructionUseEnd(); curUse++)
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{
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subRoot = CodeGenerator::instructionUseToInstruction(*curUse);
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if(subRoot != NULL)
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{
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vRoot = isInRoots(subRoot);
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if(vRoot != NULL) // CSE
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{
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loc = new TreeLocation;
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loc->rootMiddle = (float)self->FRAMEWIDTH/2 + left;
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loc->right = self->FRAMEWIDTH + left;
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loc->top = yBottom + (2 * self->FRAMEHEIGHT);
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loc->bottom = yBottom + self->FRAMEHEIGHT;
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DrawSubExpressionNode(subRoot, loc->rootMiddle, loc->bottom);
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vRoot->locAsCSE->append(*loc);
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loc = new TreeLocation;
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loc->rootMiddle = (float)self->FRAMEWIDTH/2 + left;
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loc->right = self->FRAMEWIDTH + left;
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loc->top = yBottom + (2 * self->FRAMEHEIGHT);
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loc->bottom = yBottom + self->FRAMEHEIGHT;
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} else
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{
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PrimitiveOperation op = subRoot->getPrimitive()->getOperation();
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switch (op)
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{
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case(poPhi_M):
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case(poPhi_I):
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case(poPhi_L):
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case(poPhi_F):
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case(poPhi_D):
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case(poPhi_A):
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case(poPhi_C):
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loc = new TreeLocation;
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loc->rootMiddle = (float)self->FRAMEWIDTH/2 + left;
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loc->right = self->FRAMEWIDTH + left;
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loc->top = yBottom + (2 * self->FRAMEHEIGHT);
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loc->bottom = yBottom + self->FRAMEHEIGHT;
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DrawDummyNode(loc->rootMiddle, loc->bottom);
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break;
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default:
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loc = &DrawTree(*subRoot, yBottom + self->FRAMEHEIGHT, left);
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break;
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}
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}//loc = &DrawTree(*subRoot, yBottom + self->FRAMEHEIGHT, left);
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}
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else // This input is not defined
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{
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loc = new TreeLocation;
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loc->rootMiddle = (float)self->FRAMEWIDTH/2 + left;
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loc->right = self->FRAMEWIDTH + left;
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loc->top = yBottom + (2 * self->FRAMEHEIGHT);
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loc->bottom = yBottom + self->FRAMEHEIGHT;
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if( (curUse->kind == udRegister) && ((*(curUse->name.vr)).index <= self->ARGUMENTREGISTERS) )
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{
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DrawArgumentNode(loc->rootMiddle, loc->bottom);
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} else
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DrawDummyNode(loc->rootMiddle, loc->bottom);
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}
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if(loc->top > top)
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top = loc->top;
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left = loc->right;
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subTreeLocations.append(*loc);
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}
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if(subTreeLocations.size() == 0)
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{
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myLocation->rootMiddle = (float)self->FRAMEWIDTH/2 + xLeft;
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myLocation->right = self->FRAMEWIDTH + xLeft;
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myLocation->top = yBottom + self->FRAMEHEIGHT;
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myLocation->bottom = yBottom;
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} else {
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myLocation->rootMiddle = subTreeLocations.front().rootMiddle + (0.5f)*(subTreeLocations.back().rootMiddle - subTreeLocations.front().rootMiddle);
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myLocation->right = subTreeLocations.back().right;
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myLocation->top = top;
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myLocation->bottom = yBottom;
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}
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DrawNode(myLocation->rootMiddle, yBottom, &root, subTreeLocations);
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return *myLocation;
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}
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/*
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Dum routine reads a file to a stream, returns size
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printPretty should use strings
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*/
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int fileToString(char *fileName, char *string, int len)
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{
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FILE* file = fopen(fileName, "r");
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assert(file);
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char c = fgetc(file);
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int i = 0;
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while(!feof(file) && i < (len-1))
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{
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if(c == 9)
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c = ' ';
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string[i] = c;
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i++;
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c = fgetc(file);
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}
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string[i] = '\0';
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fclose(file);
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return i;
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}
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/*
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Write instruction Name and label Registers
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*/
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void IGVisualizer ::
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LabelNode(Instruction* inst)
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{
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FILE* file;
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char fileName[] = "shitFile";
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file = fopen(fileName, "w" );
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char prettyString[50];
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// Label instruction *****************************************
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glColor3f(0.0, 0.0, 0.0);
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glPushMatrix(); // 1
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glTranslated(3*(float)self->BORDERWIDTH, (float)self->INSTRUCTIONHEIGHT/2.5, 0.0);
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int len, i;
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inst->printPretty(file);
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fclose(file);
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len = fileToString(fileName, prettyString, 50);
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for (i = 0; i < len; i++)
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{
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glutStrokeCharacter(self->font, prettyString[i]);
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}
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glPopMatrix(); // 1
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// Label Outputs *********************************************
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glColor3f(0.5f, 0.2f, 0.4f);
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char registerName[50];
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float distanceBetween;
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int vrn, j;
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InstructionDefine* curDefine;
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int numberOfOutputs, numberOfInputs;
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numberOfOutputs= inst->getInstructionDefineEnd() - inst->getInstructionDefineBegin();;
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assert(numberOfOutputs <= 1);
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distanceBetween = (float)self->INSTRUCTIONWIDTH/(numberOfOutputs+1);
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glPushMatrix(); // 2
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glTranslatef(0.0, 3*(float)self->BORDERWIDTH, 0.0);
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j=1;
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for(curDefine = inst->getInstructionDefineBegin(); curDefine < inst->getInstructionDefineEnd(); curDefine++)
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{
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glPushMatrix(); // 3
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glTranslatef(j*distanceBetween-100, 0.0, 0.0);
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if(curDefine->kind == udRegister)
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{
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vrn = (*(curDefine->name.vr)).index;
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sprintf(registerName, "R%d", vrn);
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} else if (curDefine->kind == udCond)
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sprintf(registerName, "Cond");
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else
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sprintf(registerName, "Store");
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len = strlen(registerName);
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for (i = 0; i < len; i++)
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{
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glutStrokeCharacter(self->font, registerName[i]);
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}
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glPopMatrix(); // 3
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j++;
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}
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glPopMatrix(); // 2
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// Label Inputs **********************************************
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glColor3f(1.0f, 0.0f, 0.2f);
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InstructionUse* curUse;
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numberOfInputs = inst->getInstructionUseEnd() - inst->getInstructionUseBegin();
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distanceBetween = (float)self->INSTRUCTIONWIDTH/(numberOfInputs+1);
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glPushMatrix(); // 4
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glTranslatef(0.0, self->INSTRUCTIONHEIGHT - 100 - 3*(float)self->BORDERWIDTH, 0.0);
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j=1;
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for(curUse = inst->getInstructionUseBegin(); curUse < inst->getInstructionUseEnd(); curUse++)
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{
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glPushMatrix(); // 5
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glTranslatef(j*distanceBetween-100, 0.0, 0.0);
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if(curUse->kind == udRegister)
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{
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vrn = (*(curUse->name.vr)).index;
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sprintf(registerName, "R%d", vrn);
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} else if (curUse->kind == udCond)
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sprintf(registerName, "Cond");
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else
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sprintf(registerName, "Store");
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len = strlen(registerName);
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for (i = 0; i < len; i++)
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{
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glutStrokeCharacter(self->font, registerName[i]);
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}
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glPopMatrix(); // 5
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j++;
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}
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glPopMatrix(); // 4
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}
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/*
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Draw a single instruction with its bottom line centered at (xMiddle, yBottom)
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*/
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void IGVisualizer ::
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DrawNode(double xMiddle, int yBottom, Instruction* inst, Vector<TreeLocation>& subTrees)
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{
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glPushMatrix(); // 1
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glTranslatef((float)xMiddle - self->INSTRUCTIONWIDTH/2, (float)yBottom, 0);
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// Draw Instruction body *************************************
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glColor3f(0.0, 1.0, 1.0);
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glRecti(0, 0, self->INSTRUCTIONWIDTH, self->INSTRUCTIONHEIGHT);
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glColor3f(1.0, 1.0, 1.0);
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glRecti(self->BORDERWIDTH, self->BORDERWIDTH, self->INSTRUCTIONWIDTH-self->BORDERWIDTH, self->INSTRUCTIONHEIGHT-self->BORDERWIDTH);
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LabelNode(inst);
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// Connect Inputs *************************************************
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TreeLocation* loc;
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int numberOfInputs = subTrees.size();
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int distToNextLayer = self->FRAMEHEIGHT - self->INSTRUCTIONHEIGHT;
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float jag = ((float)distToNextLayer/(numberOfInputs + 1));
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float diffMid;
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float distanceBetween = (float)self->INSTRUCTIONWIDTH/(numberOfInputs+1);
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glPushMatrix(); // 2
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glTranslatef(0.0, (float)self->INSTRUCTIONHEIGHT, 0.0);
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int j=1;
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for(loc = subTrees.begin(); loc < subTrees.end(); loc++)
|
|
{
|
|
|
|
glPushMatrix(); // 3
|
|
glTranslatef(j*distanceBetween, 0.0, 0.0);
|
|
|
|
diffMid = loc->rootMiddle - (float)xMiddle - (j*distanceBetween - ((0.5f)*self->INSTRUCTIONWIDTH));
|
|
|
|
glBegin(GL_LINES);
|
|
glVertex2f(0.0f, 0.0f);
|
|
glVertex2f(0.0f, j*jag);
|
|
glVertex2f(0.0f, j*jag);
|
|
glVertex2f(diffMid, j*jag);
|
|
glVertex2f(diffMid, j*jag);
|
|
glVertex2f(diffMid, (numberOfInputs + 1)*jag);
|
|
glEnd();
|
|
|
|
glPopMatrix(); // 3
|
|
j++;
|
|
}
|
|
glPopMatrix(); // 2
|
|
|
|
|
|
glPopMatrix(); // 1
|
|
|
|
|
|
|
|
}
|
|
|
|
/*
|
|
Draw a node as a subexpression
|
|
*/
|
|
void IGVisualizer ::
|
|
DrawSubExpressionNode(Instruction* inst, double xMiddle, double yBottom)
|
|
{
|
|
glPushMatrix(); // 1
|
|
|
|
glTranslatef((float)xMiddle - self->INSTRUCTIONWIDTH/2, (float)yBottom, 0);
|
|
|
|
// Draw Instruction body *************************************
|
|
glColor3f(1.0, 1.0, 0.0);
|
|
glRecti(0, 0, self->INSTRUCTIONWIDTH, self->INSTRUCTIONHEIGHT);
|
|
|
|
glColor3f(1.0, 1.0, 1.0);
|
|
glRecti(self->BORDERWIDTH, self->BORDERWIDTH, self->INSTRUCTIONWIDTH-self->BORDERWIDTH, self->INSTRUCTIONHEIGHT-self->BORDERWIDTH);
|
|
|
|
|
|
|
|
// Draw the node
|
|
LabelNode(inst);
|
|
|
|
glPopMatrix(); // 1
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
Draw a dummy "unknown" instruction with its bottom line centered at (xMiddle, yBottom)
|
|
*/
|
|
void IGVisualizer ::
|
|
DrawDummyNode(double xMiddle, int yBottom)
|
|
{
|
|
char unknownMess[] = " ??? ";
|
|
|
|
glPushMatrix(); // 1
|
|
|
|
glTranslatef((float)xMiddle - self->INSTRUCTIONWIDTH/2, (float)yBottom, 0);
|
|
|
|
// Draw Instruction body *************************************
|
|
glColor3f(1.0, 0.0, 0.0);
|
|
glRecti(0, 0, self->INSTRUCTIONWIDTH, self->INSTRUCTIONHEIGHT);
|
|
|
|
glColor3f(1.0, 1.0, 1.0);
|
|
glRecti(5 * self->BORDERWIDTH, 5 * self->BORDERWIDTH, self->INSTRUCTIONWIDTH-(5*self->BORDERWIDTH), self->INSTRUCTIONHEIGHT-(5*self->BORDERWIDTH));
|
|
|
|
// Write Message ******************************************
|
|
glColor3f(1.0, 0.0, 0.0);
|
|
glPushMatrix(); // 2
|
|
glTranslated(3*(float)self->BORDERWIDTH, (float)self->INSTRUCTIONHEIGHT/2.5, 0.0);
|
|
|
|
int len, i;
|
|
len = (int) strlen(unknownMess);
|
|
for (i = 0; i < len; i++)
|
|
{
|
|
glutStrokeCharacter(self->font, unknownMess[i]);
|
|
}
|
|
glPopMatrix(); // 2
|
|
|
|
glPopMatrix(); //1
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
Draw an argument node
|
|
*/
|
|
void IGVisualizer ::
|
|
DrawArgumentNode(double xMiddle, int yBottom)
|
|
{
|
|
char unknownMess[] = " Argument ";
|
|
|
|
glPushMatrix(); // 1
|
|
|
|
glTranslatef((float)xMiddle - self->INSTRUCTIONWIDTH/2, (float)yBottom, 0);
|
|
|
|
// Draw Instruction body *************************************
|
|
glColor3f(0.0f, 1.0f, 0.3f);
|
|
glRecti(0, 0, self->INSTRUCTIONWIDTH, self->INSTRUCTIONHEIGHT);
|
|
|
|
glColor3f(1.0f, 1.0f, 1.0f);
|
|
glRecti(5 * self->BORDERWIDTH, 5 * self->BORDERWIDTH, self->INSTRUCTIONWIDTH-(5*self->BORDERWIDTH), self->INSTRUCTIONHEIGHT-(5*self->BORDERWIDTH));
|
|
|
|
// Write Message ******************************************
|
|
glColor3f(0.0f, 1.0f, 0.3f);
|
|
glPushMatrix(); // 2
|
|
glTranslated(3*(float)self->BORDERWIDTH, (float)self->INSTRUCTIONHEIGHT/2.5, 0.0);
|
|
|
|
int len, i;
|
|
len = (int) strlen(unknownMess);
|
|
for (i = 0; i < len; i++)
|
|
{
|
|
glutStrokeCharacter(self->font, unknownMess[i]);
|
|
}
|
|
glPopMatrix(); // 2
|
|
|
|
glPopMatrix(); //1
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
This is the window system specific stuff for setting up the window for gl.
|
|
Visualize is called only once and it enters a non-returning display loop.
|
|
*/
|
|
|
|
|
|
|
|
enum subMenuFields
|
|
{
|
|
findAsRoot,
|
|
findNextRef
|
|
};
|
|
|
|
void IGVisualizer :: visualize()
|
|
{
|
|
int zoomMenu, rootMenu;
|
|
char* argv ="myProgram";
|
|
int argc = 1;
|
|
|
|
// Initialization
|
|
glutInit(&argc, &argv);
|
|
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB);
|
|
glutInitWindowSize(xWindowDim, yWindowDim);
|
|
glutCreateWindow("Instruction Graph Viewer Dulux");
|
|
|
|
glMatrixMode(GL_PROJECTION);
|
|
glLoadIdentity();
|
|
gluOrtho2D(-xDimGL, xDimGL, -yDimGL, yDimGL);
|
|
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glEnable(GL_LINE_SMOOTH);
|
|
glEnable(GL_BLEND);
|
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
glLineWidth(1.0);
|
|
|
|
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
|
|
glColor3f(1.0f, 1.0f, 1.0f);
|
|
|
|
// Add callbacks
|
|
glutDisplayFunc(display);
|
|
glutMouseFunc(mouse);
|
|
glutKeyboardFunc(keyboard);
|
|
glutReshapeFunc(reshape);
|
|
|
|
// Create the menu
|
|
zoomMenu = glutCreateMenu(selectZoom);
|
|
glutAddMenuEntry("X 2", 2);
|
|
glutAddMenuEntry("X 5", 5);
|
|
rootMenu = glutCreateMenu(selectRoot);
|
|
glutAddMenuEntry("Goto Definition", findAsRoot);
|
|
glutAddMenuEntry("Goto Next Reference", findNextRef);
|
|
glutCreateMenu(mainMenu);
|
|
glutAddSubMenu("ZoomFactor", zoomMenu);
|
|
glutAddSubMenu("Explore Subexpression", rootMenu);
|
|
glutAddMenuEntry("Exit", 0);
|
|
glutAttachMenu(GLUT_RIGHT_BUTTON);
|
|
|
|
glutMainLoop();
|
|
}
|
|
|
|
|
|
/*
|
|
The callback routines
|
|
*/
|
|
|
|
void IGVisualizer ::
|
|
display()
|
|
{
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
|
|
|
glPushMatrix(); // 1
|
|
glScaled(self->cumZoom, self->cumZoom, 1);
|
|
glTranslated(self->centerX - self->objectCenterX + self->mouseCenterX, self->centerY - self->objectCenterY + self->mouseCenterY, 0);
|
|
|
|
visualizeRoots();
|
|
|
|
glPopMatrix(); // 1
|
|
|
|
glutSwapBuffers();
|
|
}
|
|
|
|
void IGVisualizer ::
|
|
selectZoom(int msg)
|
|
{
|
|
self->zoomFactor = float(msg);
|
|
glutPostRedisplay();
|
|
}
|
|
|
|
|
|
void IGVisualizer ::
|
|
selectRoot(int msg)
|
|
{
|
|
VisualInstructionRoot* vRoot = findRootAtLoc(self->nodeLocX, self->nodeLocY);
|
|
if(vRoot != NULL)
|
|
{
|
|
//printf("FOUND ONE\n");
|
|
switch(msg) {
|
|
case findAsRoot:
|
|
self->objectCenterX = vRoot->locAsRoot->rootMiddle;
|
|
self->objectCenterY = vRoot->locAsRoot->bottom;
|
|
self->mouseCenterX = 0;
|
|
self->mouseCenterY = 0;
|
|
break;
|
|
case findNextRef:
|
|
if(vRoot->currentCSE == NULL)
|
|
if(vRoot->locAsCSE->size() != 0)
|
|
vRoot->currentCSE = vRoot->locAsCSE->begin();
|
|
else
|
|
return;
|
|
else {
|
|
vRoot->currentCSE++;
|
|
if(vRoot->currentCSE == vRoot->locAsCSE->end())
|
|
vRoot->currentCSE = vRoot->locAsCSE->begin();
|
|
}
|
|
self->objectCenterX = vRoot->currentCSE->rootMiddle;
|
|
self->objectCenterY = vRoot->currentCSE->bottom;
|
|
self->mouseCenterX = 0;
|
|
self->mouseCenterY = 0;
|
|
break;
|
|
}
|
|
|
|
|
|
}
|
|
glutPostRedisplay();
|
|
}
|
|
|
|
|
|
VisualInstructionRoot* IGVisualizer ::
|
|
findRootAtLoc(double x, double y)
|
|
{
|
|
|
|
VisualInstructionRoot* vRoot;
|
|
TreeLocation* tree;
|
|
for(vRoot = self->roots->begin(); vRoot < self->roots->end(); vRoot++)
|
|
{
|
|
if(isInNode(x, y, vRoot->locAsRoot->rootMiddle, vRoot->locAsRoot->bottom))
|
|
return vRoot;
|
|
for(tree = vRoot->locAsCSE->begin(); tree < vRoot->locAsCSE->end(); tree++)
|
|
if(isInNode(x, y, tree->rootMiddle, tree->bottom))
|
|
return vRoot;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
bool IGVisualizer ::
|
|
isInNode(double x, double y, double middle, int bottom)
|
|
{
|
|
if((x < (middle + (.5*self->INSTRUCTIONWIDTH))) && (x > (middle - (.5*self->INSTRUCTIONWIDTH))))
|
|
if((y > bottom) && (y < (bottom + self->INSTRUCTIONHEIGHT)))
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
|
|
|
|
|
|
void IGVisualizer ::
|
|
mainMenu(int msg)
|
|
{
|
|
switch(msg) {
|
|
case 0:
|
|
exit(0);
|
|
break;
|
|
}
|
|
|
|
glutPostRedisplay();
|
|
}
|
|
|
|
void IGVisualizer ::
|
|
mouse(int button, int state, int x, int y)
|
|
{
|
|
|
|
if(button == GLUT_LEFT_BUTTON && state == GLUT_DOWN)
|
|
{
|
|
double transX = -(x - (.5 * (self->xWindowDim)))*((2*self->xDimGL/self->xWindowDim)/self->cumZoom);
|
|
double transY = (y - (.5 * (self->yWindowDim)))*((2*self->yDimGL/self->yWindowDim)/self->cumZoom);
|
|
self->mouseCenterX = self->mouseCenterX + transX;
|
|
self->mouseCenterY = self->mouseCenterY + transY;
|
|
}
|
|
|
|
glutPostRedisplay();
|
|
}
|
|
|
|
void IGVisualizer ::
|
|
keyboard(unsigned char key, int x, int y)
|
|
{
|
|
switch(key){
|
|
case '+':
|
|
self->cumZoom = self->cumZoom * self->zoomFactor;
|
|
break;
|
|
case '-':
|
|
self->cumZoom = self->cumZoom / self->zoomFactor;
|
|
break;
|
|
case 's':
|
|
double transX = (x - (.5 * (self->xWindowDim)))*((2*self->xDimGL/self->xWindowDim)/self->cumZoom);
|
|
double transY = -(y - (.5 * (self->yWindowDim)))*((2*self->yDimGL/self->yWindowDim)/self->cumZoom);
|
|
|
|
//printf("mouse center**%f, %f**\n", self->mouseCenterX, self->mouseCenterY);
|
|
//printf("strans **%f, %f**\n", transX, transY);
|
|
//printf("obj center **%f, %f**\n", self->objectCenterX, self->objectCenterY);
|
|
|
|
self->nodeLocX = transX - self->mouseCenterX + self->objectCenterX;
|
|
self->nodeLocY = transY - self->mouseCenterY + self->objectCenterY;
|
|
|
|
//printf("node center **%f, %f**\n", self->nodeLocX, self->nodeLocY);
|
|
break;
|
|
}
|
|
glutPostRedisplay();
|
|
}
|
|
|
|
void IGVisualizer ::
|
|
reshape(int width, int height)
|
|
{
|
|
self->xWindowDim = width;
|
|
self->yWindowDim = height;
|
|
|
|
glViewport(0, 0, width, height);
|
|
glutPostRedisplay();
|
|
}
|
|
|
|
#endif
|