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annotate basic/Message.d @ 100:5f258eaf9517 new_gen

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Loading modules in. Just need to add them to the scope of the "main" Module now.
author Anders Johnsen <skabet@gmail.com>
date Tue, 06 May 2008 22:49:43 +0200
parents 621cedba53ea
children 89db676fbacb
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1 module basic.Message;
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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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8 import tango.stdc.stdlib;
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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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16 import basic.SourceLocation,
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17 basic.SourceManager;
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19 public import basic.Messages;
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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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29 class MessageHandler
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30 {
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31 public:
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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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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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45 void checkErrors(ExitLevel exitlevel = ExitLevel.Normal)
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46 {
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47 if(messages.length == 0)
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48 return;
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50 if(warnings)
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51 checkWarnings;
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52 foreach(m ; messages)
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53 if(m.type == MessageType.Error)
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54 {
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55 Stdout(m).newline;
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56 }
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58 exit(exitlevel);
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59 }
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61 void checkWarnings()
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62 {
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63 foreach(m ; messages)
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64 if(m.type == MessageType.Warning)
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65 {
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66 Stdout(m).newline;
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67 }
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68 }
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70 void showWarnings(bool value)
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71 {
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72 warnings = value;
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73 }
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75 private:
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76 Message[] messages;
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77 SourceManager src_mgr;
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78 bool warnings;
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79 }
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81 class Message
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82 {
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84 this(int opcode, SLoc location, SourceManager src_mgr, MessageHandler msg_handler)
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85 {
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86 this.src_mgr = src_mgr;
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87 this.location = location;
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88 args ~= Messages[opcode].message;
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89 this.type = Messages[opcode].type;
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90 this.msg_handler = msg_handler;
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91 }
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93 char[] toString()
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94 {
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95 char[256] tmp = void;
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96 char[] msg = layout(tmp, args);
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98 Lexer l = new Lexer(location, src_mgr, new MessageHandler(src_mgr));
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100 Token t = l.next;
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101
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102 if (src_mgr.getRawData(location).length > 0)
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103 msg = src_mgr.getLocationAsString(location) ~ ": " ~ msg;
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104 else
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105 msg = msg.dup;
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107
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108 char[] line = src_mgr.getLine(location);
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109 char[] marks = line.dup;
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110 marks[] = ' ';
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111 size_t p = src_mgr.getColumn(location);
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112 marks[p .. p + t.length] = '^';
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113
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114 msg ~= "\n ";
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115 msg ~= line;
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116 msg ~= "\n ";
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117 msg ~= marks;
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118
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119 return msg;
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120 }
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121
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122 Message arg(char[] s)
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123 {
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124 if (args.length == 11)
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125 throw new Exception("Sorry, errors only support up to 10 args");
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126 args ~= s;
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127 return this;
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128 }
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129
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130 Message arg(char[][] s)
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131 {
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132 char[] res = s[0 .. $ - 1].join(", ");
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133 if (s.length > 1)
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134 res ~= " and ";
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135 res ~= s[$ - 1];
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136 return arg(res);
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137 }
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138
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139 Message arg(char c)
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140 {
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141 return arg([c]);
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142 }
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143
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144 Message arg(DType[] types)
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145 {
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146 char[][] res;
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147 foreach (type; types)
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148 res ~= type.name();
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149 return arg(res);
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150 }
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151
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152 Message fatal(ExitLevel exitlevel = ExitLevel.Normal)
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153 {
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154 msg_handler.checkErrors(exitlevel);
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155 return this;
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156 }
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157
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158 /*
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159 Message loc(SLoc loc)
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160 {
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161 location = loc;
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162 return this;
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163 }
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164 */
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165
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166 MessageType type;
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167 private:
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168 char[][] args;
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169 SLoc location;
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170 SourceManager src_mgr;
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171 MessageHandler msg_handler;
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172 }