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annotate trunk/src/dil/semantic/Module.d @ 719:8f8c9ab3f3ba

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Fixed code that finds out a modules FQN. Fixed creation of importPaths in ImportGraph.execute().
author Aziz K?ksal <aziz.koeksal@gmail.com>
date Fri, 01 Feb 2008 15:05:26 +0100
parents 1564e41f454e
children 90668b83ae5e
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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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2848ce3becf5 Moved dil.Module to dil.semantic.Module.
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5 module dil.semantic.Module;
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6
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7 import dil.ast.Node;
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8 import dil.ast.Declarations;
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9 import dil.parser.Parser;
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10 import dil.lexer.Lexer;
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11 import dil.File;
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12 import dil.semantic.Symbol;
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13 import dil.semantic.Symbols;
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14 import dil.Information;
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15 import tango.io.FilePath;
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16 import tango.io.FileConst;
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17 import common;
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18
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19 alias FileConst.PathSeparatorChar dirSep;
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20
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21 class Module : ScopeSymbol
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22 {
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23 string filePath; /// Path to the source file.
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24 string moduleFQN; /// Fully qualified name of the module. E.g. dil.ast.Node
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25 string packageName; /// E.g. dil.ast
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26 string moduleName; /// E.g. Node
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28 CompoundDeclaration root; /// The root of the parse tree.
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29 ImportDeclaration[] imports; /// ImportDeclarations found in this file.
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30 ModuleDeclaration moduleDecl; /// The optional ModuleDeclaration in this file.
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31 Parser parser; /// The parser used to parse this file.
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32
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33 Module[] modules;
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34
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35 InfoManager infoMan;
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36
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37 this()
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38 {
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39 super(SYM.Module, null, null);
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40 }
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41
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42 this(string filePath, InfoManager infoMan = null)
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43 {
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44 this();
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45 this.filePath = filePath;
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46 this.infoMan = infoMan;
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47 }
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48
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49 void parse()
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50 {
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51 if (this.parser is null)
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52 this.parser = new Parser(loadFile(filePath), filePath, infoMan);
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53
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54 this.root = parser.start();
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55 this.imports = parser.imports;
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56
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57 if (root.children.length)
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58 {
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59 // moduleDecl will be null if first node isn't a ModuleDeclaration.
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60 this.moduleDecl = root.children[0].Is!(ModuleDeclaration);
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61 if (this.moduleDecl)
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62 this.setFQN(moduleDecl.getFQN());
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63 }
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65 if (!this.moduleFQN.length)
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66 {
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67 // Take base name of file path as module name.
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68 auto str = (new FilePath(filePath)).name();
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69 if (!Lexer.isReservedIdentifier(str))
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70 this.moduleFQN = this.moduleName = str;
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71 else
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72 throw new Exception("'"~str~"' is not a valid module name");
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73 }
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74 }
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75
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76 /// Returns true if there are errors in the source file.
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77 bool hasErrors()
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78 {
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79 return parser.errors.length || parser.lexer.errors.length;
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80 }
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81
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82 string[] getImportPaths()
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83 {
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84 string[] result;
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85 foreach (import_; imports)
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86 result ~= import_.getModuleFQNs(dirSep);
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87 return result;
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88 }
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89
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90 /// Returns the fully qualified name of this module.
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91 /// E.g.: dil.ast.Node
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92 string getFQN()
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93 {
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94 return moduleFQN;
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95 }
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96
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97 void setFQN(string moduleFQN)
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98 {
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99 uint i = moduleFQN.length;
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100 if (i != 0) // Don't decrement if string has zero length.
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101 i--;
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102 // Find last dot.
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103 for (; i != 0 && moduleFQN[i] != '.'; i--)
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104 {}
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105 this.moduleFQN = moduleFQN;
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106 this.packageName = moduleFQN[0..i];
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107 this.moduleName = moduleFQN[(i == 0 ? 0 : i+1) .. $];
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108 }
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109
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110 /// Returns e.g. the FQN with slashes instead of dots.
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111 /// E.g.: dil/ast/Node
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112 string getFQNPath()
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113 {
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114 string FQNPath = moduleFQN.dup;
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115 foreach (i, c; FQNPath)
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116 if (c == '.')
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117 FQNPath[i] = dirSep;
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118 return FQNPath;
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119 }
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120 }