ldc/gen/warnings.cpp
Martin 2616261fd2 Revise all LDC-specific errors/warnings/deprecs and insert backticks
For DMD's new syntax highlighting. I grepped in all .{h,cpp} files only.
2017-08-03 22:53:49 +02:00

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//===-- warnings.cpp ------------------------------------------------------===//
//
// LDC the LLVM D compiler
//
// This file is distributed under the BSD-style LDC license. See the LICENSE
// file for details.
//
//===----------------------------------------------------------------------===//
#include "gen/warnings.h"
#include "mtype.h"
void warnInvalidPrintfCall(Loc loc, Expression *arguments, size_t nargs) {
Expression *arg = arguments;
// make sure first argument is a string literal, or we can't do much
// TODO make it smarter ?
if (arg->op != TOKstring) {
return; // assume valid
}
StringExp *strexp = static_cast<StringExp *>(arg);
// not wchar or dchar
if (strexp->sz != 1) {
warning(loc, "`printf` does not support `wchar` and `dchar` strings");
return;
}
#if 0
// check the format string
const char* str = static_cast<char*>(strexp->string);
for (size_t i = 0; i < strexp->len; ++i)
{
// TODO
}
#endif
}