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73 lines
2.3 KiB
Plaintext
73 lines
2.3 KiB
Plaintext
module std::core::values;
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import std::core::types;
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macro bool @typematch(#value1, #value2) @builtin @const => $typeof(#value1) == $typeof(#value2);
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<*
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Return true if two values have the same type before any conversions.
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*>
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macro bool @is_same_type(#value1, #value2) @const @deprecated("Use @typematch") => $typeof(#value1).typeid == $typeof(#value2).typeid;
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macro bool @is_bool(#value) @const => types::is_bool($typeof(#value));
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macro bool @is_int(#value) @const => types::is_int($typeof(#value));
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macro bool @is_flat_intlike(#value) @const => types::is_flat_intlike($typeof(#value));
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macro bool @is_floatlike(#value) @const => types::is_floatlike($typeof(#value));
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macro bool @is_float(#value) @const => types::is_float($typeof(#value));
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macro bool @is_promotable_to_floatlike(#value) @const => types::is_promotable_to_floatlike($typeof(#value));
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macro bool @is_promotable_to_float(#value) @const => types::is_promotable_to_float($typeof(#value));
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macro bool @is_vector(#value) @const => types::is_vector($typeof(#value));
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macro bool @is_same_vector_type(#value1, #value2) @const => types::is_same_vector_type($typeof(#value1), $typeof(#value2));
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macro bool @assign_to(#value1, #value2) @const @deprecated("use '$defined(#value1 = #value2)'") => @assignable_to(#value1, $typeof(#value2));
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macro bool @is_lvalue(#value) @deprecated("use '$defined(#value = #value)'")=> $defined(#value = #value);
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macro bool @is_const(#foo) @const @builtin @deprecated("use '$defined(var $v = expr)'")
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{
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return $defined(var $v = #foo);
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}
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macro promote_int(x)
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{
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$if @is_int(x):
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return (double)x;
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$else
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return x;
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$endif
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}
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<*
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Select between two values at compile time,
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the values do not have to be of the same type.
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This acts like `$bool ? #value_1 : #value_2` but at compile time.
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@param $bool : `true for picking the first value, false for the other`
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@param #value_1
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@param #value_2
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@returns `The selected value.`
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*>
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macro @select(bool $bool, #value_1, #value_2) @builtin
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{
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$if $bool:
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return #value_1;
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$else
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return #value_2;
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$endif
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}
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macro promote_int_same(x, y)
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{
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$if @is_int(x):
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$switch:
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$case @is_vector(y) &&& $typeof(y).inner == float.typeid:
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return (float)x;
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$case $typeof(y).typeid == float.typeid:
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return (float)x;
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$default:
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return (double)x;
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$endswitch
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$else
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return x;
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$endif
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}
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macro TypeKind @inner_kind(#value) @const => types::inner_kind($typeof(#value));
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