Dmitri Granetchi
72 lines
2.1 KiB
Haxe
72 lines
2.1 KiB
Haxe
package bindx;
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#if macro
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import haxe.macro.Type;
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import haxe.macro.Expr;
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import haxe.macro.Context;
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using haxe.macro.Tools;
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using Lambda;
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class MetaUtils {
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static public inline var BINDABLE_META = ":bindable";
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static public function findParam(meta:MetadataEntry, name:String):Expr {
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if (meta.params == null) {
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return null;
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}
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for (p in meta.params) {
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switch (p.expr) {
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case EBinop(OpAssign, e1, e2):
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if (e1.toString() == name) return {expr:e2.expr, pos:p.pos};
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case _:
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Context.warning('Bindable arguments syntax error. Supported syntax: (flag1=true, flag2=false)', p.pos);
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}
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}
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return null;
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}
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static public inline function bindableMeta(meta:Metadata):MetadataEntry
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return meta.find(function (it) return it.name == BINDABLE_META);
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}
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class FieldMetaUtils {
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static public inline function bindableMeta(field:Field):MetadataEntry
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return MetaUtils.bindableMeta(field.meta);
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static public inline function hasBindableMeta(field:Field):Bool
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return bindableMeta(field) != null;
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}
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class ClassFieldMetaUtils {
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static public inline function bindableMeta(field:ClassField):MetadataEntry
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return MetaUtils.bindableMeta(field.meta.get());
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static public inline function hasBindableMeta(field:ClassField):Bool
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return bindableMeta(field) != null;
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}
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class ClassTypeMetaUtils {
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static public inline function bindableMeta(classType:ClassType):MetadataEntry
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return MetaUtils.bindableMeta(classType.meta.get());
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static public inline function hasBindableMeta(classType:ClassType):Bool
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return bindableMeta(classType) != null;
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}
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class ExprMetaUtils {
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static public inline function isTrue(expr:Expr):Bool
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return expr.expr.match(EConst(CIdent("true")));
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static public inline function isFalse(expr:Expr):Bool
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return expr.expr.match(EConst(CIdent("false")));
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static public inline function isNotNullAndTrue(expr:Expr):Bool
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return expr != null && isTrue(expr);
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static public inline function isNullOrTrue(expr:Expr):Bool
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return expr == null || isTrue(expr);
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}
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#end |