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annotate src/basic/Message.d @ 207:e0551773a005

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Added the correct version.
author Anders Johnsen <skabet@gmail.com>
date Tue, 12 Aug 2008 18:19:34 +0200
parents d3c148ca429b
children 42e663451371
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rev   line source
206
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1 module basic.Message;
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2
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3 import tango.core.Exception,
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4 Array = tango.core.Array,
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5 tango.io.Stdout,
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6 tango.text.Util;
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7
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8 import tango.stdc.stdlib;
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9
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10 import llvm.type;
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11
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12 import lexer.Token,
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13 lexer.Lexer,
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14 sema.DType;
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15
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16 import basic.SourceLocation,
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17 basic.SourceManager;
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18
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19 public import basic.Messages;
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20
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21 enum ExitLevel
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22 {
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23 Normal = 1,
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24 Lexer = 2,
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25 Parser = 3,
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26 Semantic = 3,
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27 }
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28
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29 class MessageHandler
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30 {
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31 public:
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32
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33 this(SourceManager src_mgr)
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34 {
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35 this.src_mgr = src_mgr;
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36 }
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37
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38 Message report(uint opcode, SLoc location)
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39 {
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40 Message m = new Message(opcode, location, src_mgr, this);
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41 messages ~= m;
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42 return m;
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43 }
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44
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45 Message report(uint opcode, SourceRange[] ranges, SourceLocation[] locs)
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46 {
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47 Message m = new Message(opcode, ranges, locs, src_mgr, this);
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48 messages ~= m;
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49 return m;
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50 }
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51
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52 Message report(uint opcode, SLoc location1, SLoc location2, SLoc location3 = SLoc.Invalid)
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53 {
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54 Message m = new Message(opcode, [SourceRange(location1, location2)][], [location3][], src_mgr, this);
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55 messages ~= m;
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56 return m;
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57 }
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58
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59 void checkErrors(ExitLevel exitlevel = ExitLevel.Normal)
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60 {
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61 if(messages.length == 0)
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62 return;
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63
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64 if(warnings)
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65 checkWarnings;
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66 foreach(m ; messages)
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67 if(m.type == MessageType.Error)
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68 {
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69 Stdout(m).newline;
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70 }
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71
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72 exit(exitlevel);
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73 }
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74
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75 void checkWarnings()
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76 {
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77 foreach(m ; messages)
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78 if(m.type == MessageType.Warning)
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79 {
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80 Stdout(m).newline;
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81 }
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82 }
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83
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84 void showWarnings(bool value)
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85 {
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86 warnings = value;
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87 }
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88
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89 private:
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90 Message[] messages;
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91 SourceManager src_mgr;
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92 bool warnings;
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93 }
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94
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95 class Message
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96 {
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97
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98 this(int opcode, SLoc location, SourceManager src_mgr, MessageHandler msg_handler)
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99 {
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100 this.src_mgr = src_mgr;
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101 this.interests ~= location;
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102 args ~= Messages[opcode].message;
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103 this.type = Messages[opcode].type;
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104 this.msg_handler = msg_handler;
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105 }
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106
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107 this(int opcode, SourceRange[] locs, SLoc[] interests,
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108 SourceManager src_mgr, MessageHandler msg_handler)
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109 in
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110 {
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111 assert(locs.length + interests.length, "Atleast one location is requiret for a mark");
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112 }
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113 body
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114 {
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115 this.src_mgr = src_mgr;
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116 this.locs = locs;
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117 this.interests = interests;
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118 args ~= Messages[opcode].message;
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119 this.type = Messages[opcode].type;
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120 this.msg_handler = msg_handler;
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121 haveEnd = true;
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122 }
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123
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124 char[] toString()
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125 {
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126 char[256] tmp = void;
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127 char[] msg = layout(tmp, args);
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128
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129 SLoc location;
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130 if (interests.length)
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131 location = interests[0];
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132 else
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133 location = locs[0].begin;
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134
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135 int len = 0;
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136 if(!haveEnd)
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137 {
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138 Lexer l = new Lexer(interests[0], src_mgr, new MessageHandler(src_mgr));
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139
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140 Token t = l.next;
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141 len = t.length;
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142 }
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143 // else
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144 // len = end - location;
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145
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146 if (src_mgr.getRawData(location).length > 0)
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147 msg = src_mgr.getLocationAsString(location) ~ ": " ~ msg;
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148 else
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149 msg = msg.dup;
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150
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151
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152 char[] line = src_mgr.getLine(location);
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153 char[] marks = line.dup;
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154 marks[] = ' ';
207
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155
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156 foreach (s ; locs)
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157 {
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158 size_t p = src_mgr.getColumn(s.begin);
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159 marks[p .. p + (s.end-s.begin)] = interests.length ? '~' : '^';
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160 }
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161
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162 foreach (interest ; interests)
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163 {
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164 size_t i = src_mgr.getColumn(interest);
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165 marks[i] = '^';
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166 }
206
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167
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168 msg ~= "\n ";
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169 msg ~= line;
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170 msg ~= "\n ";
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171 msg ~= marks;
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172
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173 return msg;
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174 }
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175
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176 Message arg(char[] s)
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177 {
207
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178 if (args.length > 10)
206
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179 throw new Exception("Sorry, errors only support up to 10 args");
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180 args ~= s;
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181 return this;
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182 }
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183
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184 Message arg(char[][] s)
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185 {
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186 char[] res = s[0 .. $ - 1].join(", ");
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187 if (s.length > 1)
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188 res ~= " and ";
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189 res ~= s[$ - 1];
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190 return arg(res);
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191 }
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192
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193 Message arg(char c)
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194 {
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195 return arg([c]);
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196 }
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197
207
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198 Message arg(DType[] types)
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199 {
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200 char[][] res;
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201 foreach (type; types)
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202 res ~= type.name();
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203 return arg(res);
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204 }
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205
206
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206 Message fatal(ExitLevel exitlevel = ExitLevel.Normal)
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207 {
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208 msg_handler.checkErrors(exitlevel);
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209 return this;
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210 }
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211
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212 /*
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213 Message loc(SLoc loc)
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214 {
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215 location = loc;
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216 return this;
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217 }
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218 */
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219
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220 MessageType type;
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221 private:
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222 char[][] args;
207
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223 SourceRange[] locs;
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224 SLoc[] interests;
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225 bool haveEnd;
206
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226 SourceManager src_mgr;
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227 MessageHandler msg_handler;
207
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228 Token t;
206
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229 }