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PositionTools.hx
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PositionTools.hx
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/*
* Copyright (C)2005-2019 Haxe Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
package haxe.macro;
import haxe.display.Position.Location;
import haxe.macro.Expr;
class PositionTools {
/**
Returns the `Position` where the caller of `here` is.
**/
macro public static function here():ExprOf<Position> {
var positionExpr = Context.makeExpr(Context.getPosInfos(Context.currentPos()), Context.currentPos());
if (Context.defined("macro")) {
return macro haxe.macro.Context.makePosition($positionExpr);
} else {
return positionExpr;
}
}
/**
Like `Context.getPosInfos`, except this method is available on all platforms.
**/
public static function getInfos(p:Position):{min:Int, max:Int, file:String} {
#if macro
return Context.getPosInfos(p);
#else
return p;
#end
}
/**
Like `Context.makePosition`, except this method is available on all platforms.
**/
public static function make(inf:{min:Int, max:Int, file:String}):Position {
#if macro
return Context.makePosition(inf);
#else
return inf;
#end
}
#if (macro || display)
/**
Converts a `haxe.macro.Position` to a `haxe.display.Position.Location`.
This operation requires the source file the be known to the Haxe lexer in order
to determine line breaks. It is thus only available in macro context.
**/
public static function toLocation(p:Position):Location {
return Context.load("position_to_range", 1)(p);
}
#end
}