Syntax.hx 3.9 KB

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  1. package python;
  2. #if macro
  3. import haxe.macro.Expr;
  4. import haxe.macro.Context;
  5. import haxe.macro.ExprTools;
  6. #end
  7. @:noPackageRestrict
  8. @:analyzer(no_simplification)
  9. extern class Syntax {
  10. #if macro
  11. static var self = macro python.Syntax;
  12. #end
  13. @:noUsing macro public static function importModule (module:String):haxe.macro.Expr {
  14. return macro ($self.pythonCode($v{"import " + module}):Void);
  15. }
  16. @:noUsing macro public static function importAs (module:String, className : String):haxe.macro.Expr {
  17. var n = className.split(".").join("_");
  18. var e = "import " + module + " as " + n;
  19. return macro ($self.pythonCode($v{e}):Void);
  20. }
  21. @:noUsing
  22. macro public static function newInstance (c:Expr, params:Array<Expr>):haxe.macro.Expr {
  23. return macro $self._newInstance($c, $a{params});
  24. }
  25. static function _newInstance(c:Dynamic, args:Array<Dynamic>):Dynamic { return null; }
  26. @:noUsing
  27. public static function isIn(a:Dynamic, b:Dynamic):Bool { return false; }
  28. @:noUsing
  29. public static function delete(a:Dynamic):Void { }
  30. @:noUsing
  31. public static function binop(a:Dynamic, op:String, b:Dynamic):Dynamic { return null; }
  32. @:noUsing
  33. public static function assign(a:Dynamic, b:Dynamic):Void { }
  34. @:noUsing
  35. macro public static function pythonCode(b:ExprOf<String>, rest:Array<Expr>):Expr {
  36. if (rest == null) rest = [];
  37. return macro @:pos(Context.currentPos()) $self._pythonCode($b, $a{rest});
  38. };
  39. #if !macro
  40. @:noUsing
  41. public static function _pythonCode<T>(b:String, args:Array<Dynamic>):T { return null; };
  42. #end
  43. @:noUsing
  44. macro public static function arrayAccess(x:Expr, rest:Array<Expr>):ExprOf<Dynamic> {
  45. return macro $self._arrayAccess($x, $a{rest});
  46. }
  47. @:noUsing
  48. macro public static function arrayAccessWithTrailingColon(x:Expr, rest:Array<Expr>):ExprOf<Dynamic> {
  49. return macro $self._arrayAccess($x, $a{rest}, true);
  50. }
  51. static function _arrayAccess(a:Dynamic, args:Array<Dynamic>, ?trailingColon:Bool = false):Dynamic { return null; }
  52. @:noUsing
  53. public static function arraySet(a:Dynamic, i:Dynamic, v:Dynamic):Dynamic { return null; }
  54. static function _foreach(id:Dynamic, it:Dynamic, block:Dynamic):Dynamic { return null; }
  55. @:noUsing
  56. macro public static function foreach<T>(v:Expr, it:Expr, b:Expr):haxe.macro.Expr {
  57. var id = switch (v.expr) {
  58. case EConst(CIdent(x)): x;
  59. case _ : Context.error("unexpected " + ExprTools.toString(v) + ": const ident expected", v.pos);
  60. }
  61. var iter = try {
  62. var it = macro ($it.__iter__() : python.NativeIterator.NativeIteratorRaw<T>);
  63. Context.typeof(it);
  64. it;
  65. } catch (e:Dynamic) {
  66. macro ($it : python.NativeIterable.NativeIterableRaw<T>);
  67. }
  68. return macro {
  69. var $id = null;
  70. $self._foreach($v, $it, cast $b);
  71. }
  72. }
  73. @:noUsing macro public static function importFromAs (from:String, module:String, className : String):haxe.macro.Expr {
  74. var n = className.split(".").join("_");
  75. var e = "from " + from + " import " + module + " as " + n;
  76. return macro ($self.pythonCode($v{e}):Void);
  77. }
  78. @:noUsing
  79. macro public static function callField(o:Expr, field:ExprOf<String>, params:Array<Expr>):haxe.macro.Expr {
  80. return macro @:pos(o.pos) $self.call($self.field($o, $field), $a{params});
  81. }
  82. static function call(e:Dynamic, args:Array<Dynamic>):Dynamic { return null; }
  83. @:noUsing
  84. public static function field (o:Dynamic, field:String):Dynamic { return null; }
  85. @:noUsing
  86. macro public static function tuple(args:Array<Expr>):Dynamic {
  87. var args = macro $a{args};
  88. return macro $self._tuple($args);
  89. }
  90. static function _tuple(args:Array<Dynamic>):Dynamic { return null; }
  91. @:noUsing
  92. public static function varArgs(args:Array<Dynamic>):Dynamic { return null; }
  93. macro public static function callNamedUntyped (e:Expr, args:Expr):Expr {
  94. return macro @:pos(e.pos) $self._callNamedUntyped($e, $args);
  95. }
  96. static function _callNamedUntyped(e:Dynamic, args:Dynamic):Dynamic { return null; }
  97. public static function opPow(a:Int, b:Int):Int { return 0; }
  98. }