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annotate misc/Error.d @ 29:41d23f2762c3 new_gen

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Merge, and updated Error class Usage is something like: --- auto e = new Error("No conversion between %0 and %1); e.arg(t1).arg(t2); e.loc(exp.location); --- Multiple locations can be given, to do clang like errors in the future
author Anders Halager <halager@gmail.com>
date Sun, 20 Apr 2008 11:47:34 +0200
parents 2d28b21faad6
children 084c2c147c4f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 module misc.Error;
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3 import tango.core.Exception,
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4 tango.text.Util : layout;
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6 import llvm.type;
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7
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8 import misc.Location,
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9 sema.Symbol;
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10
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11 class Error : Exception
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12 {
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13
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14 this(char[] message)
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15 {
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16 super(message);
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17 args ~= message;
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18 }
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20 char[] toString()
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21 {
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22 char[256] tmp = void;
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23 char[] msg = layout(tmp, args);
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24 if (locs.length > 0)
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25 msg = locs[0].toString ~ ": " ~ msg;
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26 else
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27 msg = msg.dup;
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28 return msg;
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29 }
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31 Error arg(char[] s)
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32 {
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33 if (args.length == 11)
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34 throw new Exception("Sorry, errors only support up to 10 args");
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35 args ~= s;
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36 return this;
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37 }
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39 Error arg(char c)
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40 {
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41 return arg([c]);
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42 }
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44 Error arg(DType type)
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45 {
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46 return arg(type.name());
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47 }
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48
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49 Error arg(Symbol sym)
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50 {
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51 return arg(sym.type.name ~ " " ~ sym.id.get);
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52 }
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53
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54 Error loc(Location loc)
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55 {
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56 locs ~= loc;
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57 return this;
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58 }
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60 private:
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61 char[][] args;
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62 Location[] locs;
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63 }