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Add __ploc printf debugging helper #117

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Add __ploc printf debugging helper #117

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17 changes: 17 additions & 0 deletions druntime/src/object.d
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Original file line number Diff line number Diff line change
Expand Up @@ -4930,6 +4930,23 @@ template _arrayOp(Args...)

public import core.builtins : __ctfeWrite;

// printf debugging helper: print location
void __ploc(string file = __FILE__, size_t line = __LINE__)(string message = null) @safe pure nothrow @nogc
{
pragma(inline, true);
debug
{
import core.stdc.stdio : printf;

if (message is null || message.length > int.max) {
printf("%.*s(%zu)\n", int(file.length), file.ptr, line);
return;
}

printf("%.*s(%zu): %.*s\n", int(file.length), file.ptr, line, cast(int) message.length, message.ptr);
}
}

/**

Provides an "inline import", i.e. an `import` that is only available for a
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