annotate gen/warnings.cpp @ 1635:601d3eea4a68

Make -nodefaultlib override -de{fault,bug}lib=foo instead of vice versa.
author Matti Niemenmaa <matti.niemenmaa+hg@iki.fi>
date Fri, 05 Mar 2010 21:40:51 +0200
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1568
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1 #include "mars.h"
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2 #include "mtype.h"
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3 #include "expression.h"
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4
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5 #include "gen/warnings.h"
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6
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7 void warnInvalidPrintfCall(Loc loc, Expression* arguments, size_t nargs)
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8 {
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9 Expression* arg = arguments;
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10
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11 // make sure first argument is a string literal, or we can't do much
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12 // TODO make it smarter ?
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13 if (arg->op != TOKstring)
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14 return; // assume valid
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15
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16 StringExp* strexp = (StringExp*)arg;
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17
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18 // not wchar or dhar
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19 if (strexp->sz != 1)
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20 {
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21 warning(loc, "printf does not support wchar and dchar strings");
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22 return;
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23 }
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24
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25 #if 0
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26 // check the format string
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27 const char* str = (char*)strexp->string;
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28 for (size_t i = 0; i < strexp->len; ++i)
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29 {
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30 // TODO
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31 }
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32 #endif
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33 }