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annotate trunk/src/cmd/ImportGraph.d @ 755:90668b83ae5e

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Introduced new module dil.SourceText and class SourceText.
author Aziz K?ksal <aziz.koeksal@gmail.com>
date Wed, 13 Feb 2008 20:21:25 +0100
parents 74cdbb25c7c8
children 4579e8505d5e
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1 /++
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2 Author: Aziz Köksal
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3 License: GPL3
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4 +/
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5 module cmd.ImportGraph;
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fa6d3c52757d Moved SyntaxTree.d to new package 'ast'.
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6
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7 import dil.ast.Node;
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05c375fb2d5c Moved dil.Declarations to dil.ast.Declarations.
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8 import dil.ast.Declarations;
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9 import dil.semantic.Module;
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10 import dil.parser.ImportParser;
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11 import dil.File;
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12 import dil.Settings;
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13 import dil.SourceText;
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14 import common;
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15
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16 import tango.text.Regex : RegExp = Regex;
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17 import tango.io.FilePath;
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18 import tango.io.FileConst;
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19 import tango.text.Util;
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20
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21 alias FileConst.PathSeparatorChar dirSep;
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22
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23 enum IGraphOption
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24 {
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25 None,
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26 IncludeUnlocatableModules = 1,
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27 PrintDot = 1<<1,
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28 HighlightCyclicEdges = 1<<2,
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29 HighlightCyclicVertices = 1<<3,
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30 GroupByPackageNames = 1<<4,
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31 GroupByFullPackageName = 1<<5,
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32 PrintPaths = 1<<6,
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33 PrintList = 1<<7,
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34 MarkCyclicModules = 1<<8,
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35 }
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36
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37 class Graph
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38 {
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39 Vertex[] vertices;
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40 Edge[] edges;
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41
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42 void addVertex(Vertex vertex)
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43 {
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44 vertex.id = vertices.length;
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45 vertices ~= vertex;
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46 }
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47
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48 Edge addEdge(Vertex from, Vertex to)
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49 {
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50 auto edge = new Edge(from, to);
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51 edges ~= edge;
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52 from.outgoing ~= to;
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53 to.incoming ~= from;
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54 return edge;
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55 }
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56
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57 /// Walks the graph and marks cyclic vertices and edges.
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58 void detectCycles()
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59 { // Cycles could also be detected in the GraphBuilder,
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60 // but having the code here makes things much clearer.
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61
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62 // Commented out because this algorithm doesn't work.
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63 // Returns true if the vertex is in status Visiting.
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64 /+bool visit(Vertex vertex)
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65 {
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66 switch (vertex.status)
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67 {
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68 case Vertex.Status.Visiting:
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69 vertex.isCyclic = true;
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70 return true;
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71 case Vertex.Status.None:
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72 vertex.status = Vertex.Status.Visiting; // Flag as visiting.
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73 foreach (outVertex; vertex.outgoing) // Visit successors.
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74 vertex.isCyclic |= visit(outVertex);
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75 vertex.status = Vertex.Status.Visited; // Flag as visited.
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76 break;
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77 case Vertex.Status.Visited:
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78 break;
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79 default:
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80 assert(0, "unknown vertex status");
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81 }
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82 return false; // return (vertex.status == Vertex.Status.Visiting);
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83 }
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84 // Start visiting vertices.
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85 visit(vertices[0]);+/
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86
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87 //foreach (edge; edges)
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88 // if (edge.from.isCyclic && edge.to.isCyclic)
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89 // edge.isCyclic = true;
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90
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91 // Use functioning algorithm.
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92 analyzeGraph(vertices, edges);
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93 }
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94 }
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95
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96 /// Represents a directed connection between two vertices.
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97 class Edge
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98 {
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99 Vertex from; /// Coming from vertex.
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100 Vertex to; /// Going to vertex.
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101 bool isCyclic; /// Edge connects cyclic vertices.
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102 bool isPublic; /// Public import.
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103 bool isStatic; /// Static import.
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104
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105 this(Vertex from, Vertex to)
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106 {
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107 this.from = from;
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108 this.to = to;
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109 }
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110 }
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111
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112 /// Represents a module in the graph.
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113 class Vertex
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114 {
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115 Module modul; /// The module represented by this vertex.
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116 uint id; /// The nth vertex in the graph.
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117 Vertex[] incoming; /// Also called predecessors.
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118 Vertex[] outgoing; /// Also called successors.
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119 bool isCyclic; /// Whether this vertex is in a cyclic relationship with other vertices.
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120
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121 enum Status : ubyte
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122 { None, Visiting, Visited }
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123 Status status; /// Used by the cycle detection algorithm.
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124 }
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125
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126 string findModuleFilePath(string moduleFQNPath, string[] importPaths)
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127 {
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128 auto filePath = new FilePath();
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129 foreach (importPath; importPaths)
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130 {
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131 filePath.set(importPath);
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132 filePath.append(moduleFQNPath);
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133 foreach (moduleSuffix; [".d", ".di"/*interface file*/])
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134 {
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135 filePath.suffix(moduleSuffix);
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136 if (filePath.exists())
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137 return filePath.toString();
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138 }
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139 }
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140 return null;
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141 }
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142
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143 class GraphBuilder
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144 {
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145 Graph graph;
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146 IGraphOption options;
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147 string[] importPaths; /// Where to look for modules.
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148 Vertex[string] loadedModulesTable; /// Maps FQN paths to modules.
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149 bool delegate(string) filterPredicate;
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150
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151 this()
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152 {
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153 this.graph = new Graph;
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154 }
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155
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156 /// Start building the graph and return that.
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157 Graph start(string fileName)
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158 {
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159 loadModule(fileName);
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160 return graph;
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161 }
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162
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163 /++
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164 Loads all modules recursively and builds the graph at the same time.
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165 Params:
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166 moduleFQNPath = e.g.: dil/ast/Node (module FQN = dil.ast.Node)
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167 +/
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168 Vertex loadModule(string moduleFQNPath)
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169 {
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170 // Look up in table if the module is already loaded.
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171 auto pVertex = moduleFQNPath in loadedModulesTable;
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172 if (pVertex !is null)
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173 return *pVertex; // Returns null for filtered or unlocatable modules.
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174
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175 // Filter out modules.
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176 if (filterPredicate && filterPredicate(moduleFQNPath))
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177 { // Store null for filtered modules.
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178 loadedModulesTable[moduleFQNPath] = null;
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179 return null;
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180 }
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181
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182 // Locate the module in the file system.
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183 auto moduleFilePath = findModuleFilePath(moduleFQNPath, importPaths);
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184
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185 Vertex vertex;
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186
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187 if (moduleFilePath is null)
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188 { // Module not found.
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189 if (options & IGraphOption.IncludeUnlocatableModules)
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190 { // Include module nevertheless.
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191 vertex = new Vertex;
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192 vertex.modul = new Module("");
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193 vertex.modul.setFQN(replace(moduleFQNPath, dirSep, '.'));
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194 graph.addVertex(vertex);
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195 }
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196 // Store vertex in the table (vertex may be null.)
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197 loadedModulesTable[moduleFQNPath] = vertex;
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198 }
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199 else
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200 {
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201 auto modul = new Module(moduleFilePath);
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202 // Use lightweight ImportParser.
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203 modul.setParser(new ImportParser(modul.sourceText));
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204 modul.parse();
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205
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206 vertex = new Vertex;
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207 vertex.modul = modul;
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208
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209 graph.addVertex(vertex);
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210 loadedModulesTable[modul.getFQNPath()] = vertex;
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211
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212 // Load the modules which this module depends on.
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213 foreach (importDecl; modul.imports)
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214 {
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215 foreach (moduleFQNPath2; importDecl.getModuleFQNs(dirSep))
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216 {
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217 auto loaded = loadModule(moduleFQNPath2);
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218 if (loaded !is null)
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219 {
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220 auto edge = graph.addEdge(vertex, loaded);
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221 edge.isPublic = importDecl.isPublic();
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222 edge.isStatic = importDecl.isStatic();
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223 }
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224 }
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225 }
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226 }
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227 return vertex;
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228 }
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229 }
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230
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231 void execute(string filePathString, string[] importPaths, string[] strRegexps,
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232 uint levels, string siStyle, string piStyle, IGraphOption options)
375
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233 {
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234 // Init regular expressions.
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235 RegExp[] regexps;
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236 foreach (strRegexp; strRegexps)
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237 regexps ~= new RegExp(strRegexp);
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238
367
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239 // Add directory of file and global directories to import paths.
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240 auto filePath = new FilePath(filePathString);
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241 auto fileDir = filePath.folder();
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242 importPaths ~= fileDir;
370
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243 importPaths ~= GlobalSettings.importPaths;
367
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244
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245 auto gbuilder = new GraphBuilder;
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246
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247 gbuilder.importPaths = importPaths;
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248 gbuilder.options = options;
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249 gbuilder.filterPredicate = (string moduleFQNPath) {
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250 foreach (rx; regexps)
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251 // Replace slashes: dil/ast/Node -> dil.ast.Node
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252 if (rx.test(replace(moduleFQNPath.dup, dirSep, '.')))
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253 return true;
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254 return false;
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255 };
364
1059295c2727 - Every command module has an execute method now.
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256
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257 auto graph = gbuilder.start(filePath.name());
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258
427
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259 if (options & (IGraphOption.PrintList | IGraphOption.PrintPaths))
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260 {
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diff changeset
261 if (options & IGraphOption.MarkCyclicModules)
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262 graph.detectCycles();
427
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263
e2bbc6406a14 Added a new option '-m' to the igraph command.
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diff changeset
264 if (options & IGraphOption.PrintPaths)
698
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265 printModulePaths(graph.vertices, levels+1, "");
427
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266 else
698
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267 printModuleList(graph.vertices, levels+1, "");
427
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268 }
698
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
269 else
703
bf10602159c1 Added static and public import styles to 'igraph' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 702
diff changeset
270 printDotDocument(graph, siStyle, piStyle, options);
375
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
271 }
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
272
698
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
273 void printModulePaths(Vertex[] vertices, uint level, char[] indent)
375
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
274 {
698
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
275 if (level == 0)
375
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
276 return;
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
277 foreach (vertex; vertices)
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
278 {
698
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
279 Stdout(indent)((vertex.isCyclic?"*":"")~vertex.modul.filePath).newline;
375
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
280 if (vertex.outgoing.length)
698
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
281 printModulePaths(vertex.outgoing, level-1, indent~" ");
375
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
282 }
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
283 }
370
ae4afb66768f - Renamed findModule() to findModulePath().
aziz
parents: 368
diff changeset
284
698
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
285 void printModuleList(Vertex[] vertices, uint level, char[] indent)
375
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
286 {
698
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
287 if (level == 0)
375
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
288 return;
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
289 foreach (vertex; vertices)
370
ae4afb66768f - Renamed findModule() to findModulePath().
aziz
parents: 368
diff changeset
290 {
698
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
291 Stdout(indent)((vertex.isCyclic?"*":"")~vertex.modul.getFQN()).newline;
375
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
292 if (vertex.outgoing.length)
698
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
293 printModuleList(vertex.outgoing, level-1, indent~" ");
370
ae4afb66768f - Renamed findModule() to findModulePath().
aziz
parents: 368
diff changeset
294 }
375
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
295 }
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
296
703
bf10602159c1 Added static and public import styles to 'igraph' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 702
diff changeset
297 void printDotDocument(Graph graph, string siStyle, string piStyle,
bf10602159c1 Added static and public import styles to 'igraph' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 702
diff changeset
298 IGraphOption options)
375
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
299 {
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
300 Vertex[][string] verticesByPckgName;
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
301 if (options & IGraphOption.GroupByFullPackageName)
698
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
302 foreach (vertex; graph.vertices)
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
303 verticesByPckgName[vertex.modul.packageName] ~= vertex;
375
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
304
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
305 if (options & (IGraphOption.HighlightCyclicVertices |
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
306 IGraphOption.HighlightCyclicEdges))
698
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
307 graph.detectCycles();
375
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
308
698
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
309 // Output header of the dot document.
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
310 Stdout("Digraph ImportGraph\n{\n");
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
311 // Output nodes.
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
312 // 'i' and vertex.id should be the same.
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
313 foreach (i, vertex; graph.vertices)
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
314 Stdout.formatln(` n{} [label="{}"{}];`, i, vertex.modul.getFQN(), (vertex.isCyclic ? ",style=filled,fillcolor=tomato" : ""));
703
bf10602159c1 Added static and public import styles to 'igraph' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 702
diff changeset
315
698
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
316 // Output edges.
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
317 foreach (edge; graph.edges)
703
bf10602159c1 Added static and public import styles to 'igraph' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 702
diff changeset
318 {
bf10602159c1 Added static and public import styles to 'igraph' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 702
diff changeset
319 string edgeStyles = "";
bf10602159c1 Added static and public import styles to 'igraph' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 702
diff changeset
320 if (edge.isStatic || edge.isPublic)
bf10602159c1 Added static and public import styles to 'igraph' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 702
diff changeset
321 {
bf10602159c1 Added static and public import styles to 'igraph' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 702
diff changeset
322 edgeStyles = `[style="`;
bf10602159c1 Added static and public import styles to 'igraph' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 702
diff changeset
323 edge.isStatic && (edgeStyles ~= siStyle ~ ",");
bf10602159c1 Added static and public import styles to 'igraph' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 702
diff changeset
324 edge.isPublic && (edgeStyles ~= piStyle);
bf10602159c1 Added static and public import styles to 'igraph' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 702
diff changeset
325 edgeStyles[$-1] == ',' && (edgeStyles = edgeStyles[0..$-1]); // Remove last comma.
bf10602159c1 Added static and public import styles to 'igraph' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 702
diff changeset
326 edgeStyles ~= `"]`;
bf10602159c1 Added static and public import styles to 'igraph' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 702
diff changeset
327 }
bf10602159c1 Added static and public import styles to 'igraph' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 702
diff changeset
328 edge.isCyclic && (edgeStyles ~= "[color=red]");
bf10602159c1 Added static and public import styles to 'igraph' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 702
diff changeset
329 Stdout.formatln(` n{} -> n{} {};`, edge.from.id, edge.to.id, edgeStyles);
bf10602159c1 Added static and public import styles to 'igraph' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 702
diff changeset
330 }
375
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
331
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
332 if (options & IGraphOption.GroupByFullPackageName)
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
333 foreach (packageName, vertices; verticesByPckgName)
698
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
334 { // Output nodes in a cluster.
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
335 Stdout.format(` subgraph "cluster_{}" {`\n` label="{}";color=blue;`"\n ", packageName, packageName);
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
336 foreach (vertex; vertices)
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
337 Stdout.format(`n{};`, vertex.id);
391
33b566df6af4 Migrated project to Tango.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 375
diff changeset
338 Stdout("\n }\n");
375
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
339 }
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
340
391
33b566df6af4 Migrated project to Tango.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 375
diff changeset
341 Stdout("}\n");
364
1059295c2727 - Every command module has an execute method now.
aziz
parents:
diff changeset
342 }
370
ae4afb66768f - Renamed findModule() to findModulePath().
aziz
parents: 368
diff changeset
343
698
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
344 // This is the old algorithm that was used to detect cycles in a directed graph.
431
7a6bfa569a52 Fix: analyzeGraph() should work correctly now.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 427
diff changeset
345 void analyzeGraph(Vertex[] vertices_init, Edge[] edges)
370
ae4afb66768f - Renamed findModule() to findModulePath().
aziz
parents: 368
diff changeset
346 {
720
74cdbb25c7c8 Using old algo for cycle detection again.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 719
diff changeset
347 edges = edges.dup;
431
7a6bfa569a52 Fix: analyzeGraph() should work correctly now.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 427
diff changeset
348 void recursive(Vertex[] vertices)
370
ae4afb66768f - Renamed findModule() to findModulePath().
aziz
parents: 368
diff changeset
349 {
375
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
350 foreach (idx, vertex; vertices)
370
ae4afb66768f - Renamed findModule() to findModulePath().
aziz
parents: 368
diff changeset
351 {
375
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
352 uint outgoing, incoming;
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
353 foreach (j, edge; edges)
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
354 {
698
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
355 if (edge.from is vertex)
375
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
356 outgoing++;
698
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
357 if (edge.to is vertex)
375
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
358 incoming++;
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
359 }
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
360
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
361 if (outgoing == 0)
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
362 {
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
363 if (incoming != 0)
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
364 {
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
365 // Vertex is a sink.
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
366 alias outgoing i; // Reuse
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
367 alias incoming j; // Reuse
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
368 // Remove edges.
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
369 for (i=j=0; i < edges.length; i++)
698
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
370 if (edges[i].to !is vertex)
375
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
371 edges[j++] = edges[i];
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
372 edges.length = j;
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
373 vertices = vertices[0..idx] ~ vertices[idx+1..$];
431
7a6bfa569a52 Fix: analyzeGraph() should work correctly now.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 427
diff changeset
374 recursive(vertices);
7a6bfa569a52 Fix: analyzeGraph() should work correctly now.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 427
diff changeset
375 return;
375
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
376 }
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
377 else
431
7a6bfa569a52 Fix: analyzeGraph() should work correctly now.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 427
diff changeset
378 {
7a6bfa569a52 Fix: analyzeGraph() should work correctly now.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 427
diff changeset
379 // Edges to this vertex were removed previously.
7a6bfa569a52 Fix: analyzeGraph() should work correctly now.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 427
diff changeset
380 // Only remove vertex now.
7a6bfa569a52 Fix: analyzeGraph() should work correctly now.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 427
diff changeset
381 vertices = vertices[0..idx] ~ vertices[idx+1..$];
7a6bfa569a52 Fix: analyzeGraph() should work correctly now.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 427
diff changeset
382 recursive(vertices);
7a6bfa569a52 Fix: analyzeGraph() should work correctly now.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 427
diff changeset
383 return;
7a6bfa569a52 Fix: analyzeGraph() should work correctly now.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 427
diff changeset
384 }
375
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
385 }
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
386 else if (incoming == 0)
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
387 {
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
388 // Vertex is a source
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
389 alias outgoing i; // Reuse
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
390 alias incoming j; // Reuse
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
391 // Remove edges.
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
392 for (i=j=0; i < edges.length; i++)
698
1564e41f454e Revised modules cmd.ImportGraph and dil.semantic.Module.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 596
diff changeset
393 if (edges[i].from !is vertex)
375
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
394 edges[j++] = edges[i];
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
395 edges.length = j;
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
396 vertices = vertices[0..idx] ~ vertices[idx+1..$];
431
7a6bfa569a52 Fix: analyzeGraph() should work correctly now.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 427
diff changeset
397 recursive(vertices);
7a6bfa569a52 Fix: analyzeGraph() should work correctly now.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 427
diff changeset
398 return;
375
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
399 }
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
400 // else
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
401 // {
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
402 // // source && sink
431
7a6bfa569a52 Fix: analyzeGraph() should work correctly now.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 427
diff changeset
403 // // continue loop.
375
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
404 // }
370
ae4afb66768f - Renamed findModule() to findModulePath().
aziz
parents: 368
diff changeset
405 }
ae4afb66768f - Renamed findModule() to findModulePath().
aziz
parents: 368
diff changeset
406
375
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
407 // When reaching this point it means only cylic edges and vertices are left.
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
408 foreach (vertex; vertices)
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
409 vertex.isCyclic = true;
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
410 foreach (edge; edges)
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
411 if (edge)
0bd21b746a04 - Added code to main() for recognizing options to the importgraph command.
aziz
parents: 370
diff changeset
412 edge.isCyclic = true;
370
ae4afb66768f - Renamed findModule() to findModulePath().
aziz
parents: 368
diff changeset
413 }
431
7a6bfa569a52 Fix: analyzeGraph() should work correctly now.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 427
diff changeset
414 recursive(vertices_init);
370
ae4afb66768f - Renamed findModule() to findModulePath().
aziz
parents: 368
diff changeset
415 }