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annotate src/SettingsLoader.d @ 810:525ee3f848d9

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Added modules cmd.Compile and dil.ModuleManager. Added options -I, -release and -unittest to the compile command. Tidied main.d up a bit. Renamed start() methods of SemanticPass1 and 2 to run(). Moved function findModuleFilePath() to class ModuleManager. Added msg CouldntLoadModule. Corrected two others. Added member semanticPass to class Module. Implemented visit(ImportDeclaration) in SemanticPass1.
author Aziz K?ksal <aziz.koeksal@gmail.com>
date Tue, 11 Mar 2008 02:48:01 +0100
parents bcb74c9b895c
children c60bd5cd61da
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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 SettingsLoader;
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6
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7 import Settings;
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8 import dil.Messages;
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9 import dil.ast.Node, dil.ast.Declarations, dil.ast.Expressions;
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10 import dil.semantic.Module;
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11 import dil.semantic.Pass1;
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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 dil.Compilation;
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16 import common;
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17
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18 import tango.io.FilePath;
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19
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20 /// Loads settings from a D module file.
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21 class SettingsLoader
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22 {
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23 InfoManager infoMan; /// Collects error messages.
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24 Module mod; /// Current module.
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25
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26 this(InfoManager infoMan)
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27 {
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28 this.infoMan = infoMan;
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29 }
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30
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31 static SettingsLoader opCall(InfoManager infoMan)
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32 {
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33 return new SettingsLoader(infoMan);
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34 }
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35
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36 /// Creates an error report.
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37 /// Params:
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38 /// token = where the error occurred.
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39 /// formatMsg = error message.
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40 void error(Token* token, char[] formatMsg, ...)
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41 {
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42 auto location = token.getErrorLocation();
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43 auto msg = Format(_arguments, _argptr, formatMsg);
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44 infoMan ~= new SemanticError(location, msg);
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45 }
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46
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47 T getValue(T)(char[] name)
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48 {
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49 auto var = mod.lookup(name);
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50 if (!var) // Returning T.init instead of null, because dmd gives an error.
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51 return error(mod.firstToken, "variable '{}' is not defined", name), T.init;
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52 auto t = var.node.begin;
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53 if (!var.isVariable)
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54 return error(t, "'{}' is not a variable declaration", name), T.init;
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55 auto value = var.to!(Variable).value;
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56 if (!value)
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57 return error(t, "'{}' variable has no value set", name), T.init;
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58 T val = value.Is!(T); // Try casting to T.
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59 if (!val)
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60 error(value.begin, "the value of '{}' is not of type {}", name, typeof(T).stringof);
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61 return val;
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62 }
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63
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64 T castTo(T)(Node n)
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65 {
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66 char[] type;
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67 is(T == StringExpression) && (type = "char[]");
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68 if (!n.Is!(T))
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69 error(n.begin, "expression is not of type {}", type);
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70 return n.Is!(T);
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71 }
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72
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73 void load()
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74 {
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75 scope execPath = new FilePath(GetExecutableFilePath());
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76 execPath = new FilePath(execPath.folder());
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77
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78 // Load config.d
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79 auto filePath = resolvePath(execPath, "config.d");
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80 mod = new Module(filePath, infoMan);
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81 mod.parse();
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82
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83 if (mod.hasErrors)
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84 return;
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85
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86 auto context = new CompilationContext;
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87 auto pass1 = new SemanticPass1(mod, context);
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88 pass1.run();
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89
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90 if (auto array = getValue!(ArrayInitExpression)("version_ids"))
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91 foreach (value; array.values)
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92 if (auto str = castTo!(StringExpression)(value))
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93 GlobalSettings.versionIds ~= str.getString();
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94 if (auto val = getValue!(StringExpression)("langfile"))
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95 GlobalSettings.langFile = val.getString();
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96 if (auto array = getValue!(ArrayInitExpression)("import_paths"))
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97 foreach (value; array.values)
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98 if (auto str = castTo!(StringExpression)(value))
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99 GlobalSettings.importPaths ~= str.getString();
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100 if (auto array = getValue!(ArrayInitExpression)("ddoc_files"))
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101 foreach (value; array.values)
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102 if (auto str = castTo!(StringExpression)(value))
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103 GlobalSettings.ddocFilePaths ~= resolvePath(execPath, str.getString());
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104 if (auto val = getValue!(StringExpression)("xml_map"))
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105 GlobalSettings.xmlMapFile = val.getString();
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106 if (auto val = getValue!(StringExpression)("html_map"))
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107 GlobalSettings.htmlMapFile = val.getString();
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108 if (auto val = getValue!(StringExpression)("lexer_error"))
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109 GlobalSettings.lexerErrorFormat = val.getString();
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110 if (auto val = getValue!(StringExpression)("parser_error"))
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111 GlobalSettings.parserErrorFormat = val.getString();
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112 if (auto val = getValue!(StringExpression)("semantic_error"))
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113 GlobalSettings.semanticErrorFormat = val.getString();
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114
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115 // Load language file.
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116 filePath = resolvePath(execPath, GlobalSettings.langFile);
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117 mod = new Module(filePath);
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118 mod.parse();
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119
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120 if (mod.hasErrors)
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121 return;
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122
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123 pass1 = new SemanticPass1(mod, context);
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124 pass1.run();
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125
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126 if (auto array = getValue!(ArrayInitExpression)("messages"))
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127 {
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128 char[][] messages;
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129 foreach (value; array.values)
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130 if (auto str = castTo!(StringExpression)(value))
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131 messages ~= str.getString();
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132 if (messages.length != MID.max+1)
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Aziz K?ksal <aziz.koeksal@gmail.com>
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diff changeset
133 error(mod.firstToken,
f4b9680c0e16 Revised module dil.SettingsLoader.
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134 "messages table in {} must exactly have {} entries, but not {}.",
f4b9680c0e16 Revised module dil.SettingsLoader.
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135 filePath, MID.max+1, messages.length);
f4b9680c0e16 Revised module dil.SettingsLoader.
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136 GlobalSettings.messages = messages;
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Aziz K?ksal <aziz.koeksal@gmail.com>
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137 dil.Messages.SetMessages(messages);
513
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138 }
758
f4b9680c0e16 Revised module dil.SettingsLoader.
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diff changeset
139 if (auto val = getValue!(StringExpression)("lang_code"))
f4b9680c0e16 Revised module dil.SettingsLoader.
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140 GlobalSettings.langCode = val.getString();
513
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141 }
6160ab7b1816 Refactored code related to settings.
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142 }
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143
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144 /// Loads an associative array from a D module file.
759
9c47f377ca0b Revised module cmd.Generate.
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diff changeset
145 class TagMapLoader : SettingsLoader
9c47f377ca0b Revised module cmd.Generate.
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146 {
9c47f377ca0b Revised module cmd.Generate.
Aziz K?ksal <aziz.koeksal@gmail.com>
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147 this(InfoManager infoMan)
9c47f377ca0b Revised module cmd.Generate.
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148 {
9c47f377ca0b Revised module cmd.Generate.
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149 super(infoMan);
9c47f377ca0b Revised module cmd.Generate.
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150 }
9c47f377ca0b Revised module cmd.Generate.
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151
9c47f377ca0b Revised module cmd.Generate.
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152 static TagMapLoader opCall(InfoManager infoMan)
9c47f377ca0b Revised module cmd.Generate.
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153 {
9c47f377ca0b Revised module cmd.Generate.
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154 return new TagMapLoader(infoMan);
9c47f377ca0b Revised module cmd.Generate.
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155 }
9c47f377ca0b Revised module cmd.Generate.
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156
9c47f377ca0b Revised module cmd.Generate.
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157 string[string] load(string filePath)
9c47f377ca0b Revised module cmd.Generate.
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158 {
9c47f377ca0b Revised module cmd.Generate.
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159 mod = new Module(filePath, infoMan);
9c47f377ca0b Revised module cmd.Generate.
Aziz K?ksal <aziz.koeksal@gmail.com>
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diff changeset
160 mod.parse();
9c47f377ca0b Revised module cmd.Generate.
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161 if (mod.hasErrors)
9c47f377ca0b Revised module cmd.Generate.
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162 return null;
9c47f377ca0b Revised module cmd.Generate.
Aziz K?ksal <aziz.koeksal@gmail.com>
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163
778
78be32e3e157 Implemented conditional compilation.
Aziz K?ksal <aziz.koeksal@gmail.com>
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diff changeset
164 auto context = new CompilationContext;
78be32e3e157 Implemented conditional compilation.
Aziz K?ksal <aziz.koeksal@gmail.com>
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diff changeset
165 auto pass1 = new SemanticPass1(mod, context);
810
525ee3f848d9 Added modules cmd.Compile and dil.ModuleManager.
Aziz K?ksal <aziz.koeksal@gmail.com>
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diff changeset
166 pass1.run();
759
9c47f377ca0b Revised module cmd.Generate.
Aziz K?ksal <aziz.koeksal@gmail.com>
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167
9c47f377ca0b Revised module cmd.Generate.
Aziz K?ksal <aziz.koeksal@gmail.com>
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diff changeset
168 string[string] map;
9c47f377ca0b Revised module cmd.Generate.
Aziz K?ksal <aziz.koeksal@gmail.com>
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diff changeset
169 if (auto array = getValue!(ArrayInitExpression)("map"))
9c47f377ca0b Revised module cmd.Generate.
Aziz K?ksal <aziz.koeksal@gmail.com>
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170 foreach (i, value; array.values)
9c47f377ca0b Revised module cmd.Generate.
Aziz K?ksal <aziz.koeksal@gmail.com>
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171 {
9c47f377ca0b Revised module cmd.Generate.
Aziz K?ksal <aziz.koeksal@gmail.com>
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172 auto key = array.keys[i];
9c47f377ca0b Revised module cmd.Generate.
Aziz K?ksal <aziz.koeksal@gmail.com>
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173 if (auto valExp = castTo!(StringExpression)(value))
9c47f377ca0b Revised module cmd.Generate.
Aziz K?ksal <aziz.koeksal@gmail.com>
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diff changeset
174 if (!key)
9c47f377ca0b Revised module cmd.Generate.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 758
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175 error(value.begin, "expected key : value");
9c47f377ca0b Revised module cmd.Generate.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 758
diff changeset
176 else if (auto keyExp = castTo!(StringExpression)(key))
9c47f377ca0b Revised module cmd.Generate.
Aziz K?ksal <aziz.koeksal@gmail.com>
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177 map[keyExp.getString()] = valExp.getString();
9c47f377ca0b Revised module cmd.Generate.
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178 }
9c47f377ca0b Revised module cmd.Generate.
Aziz K?ksal <aziz.koeksal@gmail.com>
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179 return map;
9c47f377ca0b Revised module cmd.Generate.
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180 }
9c47f377ca0b Revised module cmd.Generate.
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diff changeset
181 }
9c47f377ca0b Revised module cmd.Generate.
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diff changeset
182
798
c24be8d4f6ab Added documentation comments.
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diff changeset
183 /// Resolves the path to a file from the executable's dir path
c24be8d4f6ab Added documentation comments.
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184 /// if it is relative.
c24be8d4f6ab Added documentation comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
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185 /// Returns: filePath if it is absolute or execPath + filePath.
721
8955296dd807 Added ddoc_files option to config.d
Aziz K?ksal <aziz.koeksal@gmail.com>
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diff changeset
186 string resolvePath(FilePath execPath, string filePath)
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Aziz K?ksal <aziz.koeksal@gmail.com>
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diff changeset
187 {
8955296dd807 Added ddoc_files option to config.d
Aziz K?ksal <aziz.koeksal@gmail.com>
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diff changeset
188 if ((new FilePath(filePath)).isAbsolute())
8955296dd807 Added ddoc_files option to config.d
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 695
diff changeset
189 return filePath;
8955296dd807 Added ddoc_files option to config.d
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190 return execPath.dup.append(filePath).toString();
8955296dd807 Added ddoc_files option to config.d
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diff changeset
191 }
8955296dd807 Added ddoc_files option to config.d
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diff changeset
192
779
8e6fed11bb68 Moved Settings.d and SettingsLoader.d to src/.
Aziz K?ksal <aziz.koeksal@gmail.com>
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diff changeset
193 version(DDoc)
8e6fed11bb68 Moved Settings.d and SettingsLoader.d to src/.
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194 {
8e6fed11bb68 Moved Settings.d and SettingsLoader.d to src/.
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195 /// Returns the fully qualified path to this executable.
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diff changeset
196 char[] GetExecutableFilePath();
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diff changeset
197 }
8e6fed11bb68 Moved Settings.d and SettingsLoader.d to src/.
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diff changeset
198 else version(Windows)
513
6160ab7b1816 Refactored code related to settings.
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199 {
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diff changeset
200 private extern(Windows) uint GetModuleFileNameA(void*, char*, uint);
779
8e6fed11bb68 Moved Settings.d and SettingsLoader.d to src/.
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diff changeset
201
513
6160ab7b1816 Refactored code related to settings.
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diff changeset
202 char[] GetExecutableFilePath()
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diff changeset
203 {
6160ab7b1816 Refactored code related to settings.
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diff changeset
204 alias GetModuleFileNameA GetModuleFileName;
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diff changeset
205 char[] buffer = new char[256];
6160ab7b1816 Refactored code related to settings.
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parents:
diff changeset
206 uint count;
6160ab7b1816 Refactored code related to settings.
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parents:
diff changeset
207
6160ab7b1816 Refactored code related to settings.
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parents:
diff changeset
208 while (1)
6160ab7b1816 Refactored code related to settings.
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diff changeset
209 {
6160ab7b1816 Refactored code related to settings.
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parents:
diff changeset
210 if (buffer is null)
6160ab7b1816 Refactored code related to settings.
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diff changeset
211 return null;
6160ab7b1816 Refactored code related to settings.
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diff changeset
212
6160ab7b1816 Refactored code related to settings.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
213 count = GetModuleFileName(null, buffer.ptr, buffer.length);
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diff changeset
214 if (count == 0)
6160ab7b1816 Refactored code related to settings.
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diff changeset
215 return null;
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parents:
diff changeset
216 if (buffer.length != count && buffer[count] == 0)
6160ab7b1816 Refactored code related to settings.
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diff changeset
217 break;
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diff changeset
218 // Increase size of buffer
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diff changeset
219 buffer.length = buffer.length * 2;
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diff changeset
220 }
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diff changeset
221 assert(buffer[count] == 0);
6160ab7b1816 Refactored code related to settings.
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diff changeset
222 // Reduce buffer to the actual length of the string (excluding '\0'.)
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diff changeset
223 if (count < buffer.length)
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diff changeset
224 buffer.length = count;
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diff changeset
225 return buffer;
6160ab7b1816 Refactored code related to settings.
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diff changeset
226 }
6160ab7b1816 Refactored code related to settings.
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diff changeset
227 }
6160ab7b1816 Refactored code related to settings.
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diff changeset
228 else version(linux)
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diff changeset
229 {
6160ab7b1816 Refactored code related to settings.
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diff changeset
230 private extern(C) size_t readlink(char* path, char* buf, size_t bufsize);
779
8e6fed11bb68 Moved Settings.d and SettingsLoader.d to src/.
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diff changeset
231
513
6160ab7b1816 Refactored code related to settings.
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diff changeset
232 char[] GetExecutableFilePath()
6160ab7b1816 Refactored code related to settings.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
233 {
6160ab7b1816 Refactored code related to settings.
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diff changeset
234 char[] buffer = new char[256];
6160ab7b1816 Refactored code related to settings.
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diff changeset
235 size_t count;
6160ab7b1816 Refactored code related to settings.
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parents:
diff changeset
236
6160ab7b1816 Refactored code related to settings.
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parents:
diff changeset
237 while (1)
6160ab7b1816 Refactored code related to settings.
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parents:
diff changeset
238 {
6160ab7b1816 Refactored code related to settings.
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diff changeset
239 // This won't work on very old Linux systems.
6160ab7b1816 Refactored code related to settings.
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parents:
diff changeset
240 count = readlink("/proc/self/exe".ptr, buffer.ptr, buffer.length);
6160ab7b1816 Refactored code related to settings.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
241 if (count == -1)
6160ab7b1816 Refactored code related to settings.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
242 return null;
6160ab7b1816 Refactored code related to settings.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
243 if (count < buffer.length)
6160ab7b1816 Refactored code related to settings.
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parents:
diff changeset
244 break;
6160ab7b1816 Refactored code related to settings.
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diff changeset
245 buffer.length = buffer.length * 2;
6160ab7b1816 Refactored code related to settings.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
246 }
6160ab7b1816 Refactored code related to settings.
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parents:
diff changeset
247 buffer.length = count;
6160ab7b1816 Refactored code related to settings.
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diff changeset
248 return buffer;
6160ab7b1816 Refactored code related to settings.
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parents:
diff changeset
249 }
6160ab7b1816 Refactored code related to settings.
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parents:
diff changeset
250 }
6160ab7b1816 Refactored code related to settings.
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parents:
diff changeset
251 else
6160ab7b1816 Refactored code related to settings.
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diff changeset
252 static assert(0, "GetExecutableFilePath() is not implemented on this platform.");