move package

src/main/scala/minisql/Meta.scala

@@ -0,0 +1,3 @@
+package minisql
+
+type QueryMeta

src/main/scala/minisql/ParamEncoder.scala

@@ -1,8 +1,23 @@
 package minisql
 
+import scala.util.Try
+
 trait ParamEncoder[E] {
 
   type Stmt
 
   def setParam(s: Stmt, idx: Int, v: E): Unit
 }
+
+trait ColumnDecoder[X] {
+
+  type DBRow
+
+  def decode(row: DBRow, idx: Int): Try[X]
+}
+
+object ColumnDecoder {
+  type Aux[R, X] = ColumnDecoder[X] {
+    type DBRow = R
+  }
+}

src/main/scala/minisql/Quoted.scala

@@ -0,0 +1,86 @@
+package minisql
+
+import minisql.*
+import minisql.idiom.*
+import minisql.parsing.*
+import minisql.util.*
+import minisql.ast.{Ast, Entity, Map, Property, Ident, Filter, given}
+import scala.quoted.*
+import scala.compiletime.*
+import scala.compiletime.ops.string.*
+import scala.collection.immutable.{Map => IMap}
+
+opaque type Quoted <: Ast = Ast
+
+opaque type Query[E] <: Quoted = Quoted
+
+opaque type EntityQuery[E] <: Query[E] = Query[E]
+
+object EntityQuery {
+  extension [E](inline e: EntityQuery[E]) {
+    inline def map[E1](inline f: E => E1): EntityQuery[E1] = {
+      transform(e)(f)(Map.apply)
+    }
+
+    inline def filter(inline f: E => Boolean): EntityQuery[E] = {
+      transform(e)(f)(Filter.apply)
+    }
+  }
+}
+
+private inline def transform[A, B](inline q1: Quoted)(
+  inline f: A => B
+)(inline fast: (Ast, Ident, Ast) => Ast): Quoted = {
+  fast(q1, f.param0, f.body)
+}
+
+inline def query[E](inline table: String): EntityQuery[E] =
+  Entity(table, Nil)
+
+extension [A, B](inline f1: A => B) {
+  private inline def param0 = parsing.parseParamAt(f1, 0)
+  private inline def body   = parsing.parseBody(f1)
+}
+
+extension [A1, A2, B](inline f1: (A1, A2) => B) {
+  private inline def param0 = parsing.parseParamAt(f1, 0)
+  private inline def param1 = parsing.parseParamAt(f1, 1)
+  private inline def body   = parsing.parseBody(f1)
+}
+
+def lift[X](x: X)(using e: ParamEncoder[X]): X = throw NonQuotedException()
+
+class NonQuotedException extends Exception("Cannot be used at runtime")
+
+private[minisql] inline def compile[I <: Idiom, N <: NamingStrategy](
+  inline q: Quoted,
+  inline idiom: I,
+  inline naming: N
+): Statement = ${ compileImpl[I, N]('q, 'idiom, 'naming) }
+
+private def compileImpl[I <: Idiom, N <: NamingStrategy](
+  q: Expr[Quoted],
+  idiom: Expr[I],
+  n: Expr[N]
+)(using Quotes, Type[I], Type[N]): Expr[Statement] = {
+  import quotes.reflect.*
+  q.value match {
+    case Some(ast) =>
+      val idiom = LoadObject[I].getOrElse(
+        report.errorAndAbort(s"Idiom not known at compile")
+      )
+
+      val naming = LoadNaming
+        .static[N]
+        .getOrElse(report.errorAndAbort(s"NamingStrategy not known at compile"))
+
+      val stmt = idiom.translate(ast)(using naming)
+      Expr(stmt._2)
+    case None =>
+      report.info("Dynamic Query")
+      '{
+        $idiom.translate($q)(using $n)._2
+      }
+
+  }
+}

src/main/scala/minisql/context/Context.scala

@@ -0,0 +1,66 @@
+package minisql.context
+
+import scala.deriving.*
+import scala.compiletime.*
+import scala.util.Try
+import minisql.util.*
+import minisql.idiom.{Idiom, Statement}
+import minisql.{NamingStrategy, ParamEncoder}
+import minisql.ColumnDecoder
+
+trait Context[I <: Idiom, N <: NamingStrategy] { selft =>
+
+  val idiom: I
+  val naming: NamingStrategy
+
+  type DBStatement
+  type DBRow
+  type DBResultSet
+
+  trait RowExtract[A] {
+    def extract(row: DBRow): Try[A]
+  }
+
+  object RowExtract {
+
+    private class ExtractorImpl[A](
+      decoders: IArray[Any],
+      m: Mirror.ProductOf[A]
+    ) extends RowExtract[A] {
+      def extract(row: DBRow): Try[A] = {
+        val decodedFields = decoders.zipWithIndex.traverse {
+          case (d, i) =>
+            d.asInstanceOf[Decoder[?]].decode(row, i)
+        }
+        decodedFields.map { vs =>
+          m.fromProduct(Tuple.fromIArray(vs))
+        }
+      }
+    }
+
+    inline given [P <: Product](using m: Mirror.ProductOf[P]): RowExtract[P] = {
+      val decoders = summonAll[Tuple.Map[m.MirroredElemTypes, Decoder]]
+      ExtractorImpl(decoders.toIArray.asInstanceOf, m)
+    }
+  }
+
+  type Encoder[X] = ParamEncoder[X] {
+    type Stmt = DBStatement
+  }
+
+  type Decoder[X] = ColumnDecoder.Aux[DBRow, X]
+
+  type DBIO[X] = (
+    statement: Statement,
+    params: (Any, Encoder[?]),
+    extract: RowExtract[X]
+  )
+
+  inline def io[E](
+    inline q: minisql.Query[E]
+  )(using r: RowExtract[E]): DBIO[Seq[E]] = {
+    val statement = minisql.compile(q, idiom, naming)
+    ???
+  }
+
+}

src/main/scala/minisql/dsl.scala

@@ -1,45 +0,0 @@
-package minisql.dsl
-
-import minisql.*
-import minisql.parsing.*
-import minisql.ast.{Ast, Entity, Map, Property, Ident, given}
-import scala.quoted.*
-import scala.compiletime.*
-import scala.compiletime.ops.string.*
-import scala.collection.immutable.{Map => IMap}
-
-opaque type Quoted <: Ast = Ast
-
-opaque type Query[E] <: Quoted = Quoted
-
-opaque type EntityQuery[E] <: Query[E] = Query[E]
-
-extension [E](inline e: EntityQuery[E]) {
-  inline def map[E1](inline f: E => E1): EntityQuery[E1] = {
-    transform(e)(f)(Map.apply)
-  }
-}
-
-private inline def transform[A, B](inline q1: Quoted)(
-  inline f: A => B
-)(inline fast: (Ast, Ident, Ast) => Ast): Quoted = {
-  fast(q1, f.param0, f.body)
-}
-
-inline def query[E](inline table: String): EntityQuery[E] =
-  Entity(table, Nil)
-
-extension [A, B](inline f1: A => B) {
-  private inline def param0 = parsing.parseParamAt(f1, 0)
-  private inline def body   = parsing.parseBody(f1)
-}
-
-extension [A1, A2, B](inline f1: (A1, A2) => B) {
-  private inline def param0 = parsing.parseParamAt(f1, 0)
-  private inline def param1 = parsing.parseParamAt(f1, 1)
-  private inline def body   = parsing.parseBody(f1)
-}
-
-def lift[X](x: X)(using e: ParamEncoder[X]): X = throw NonQuotedException()
-
-class NonQuotedException extends Exception("Cannot be used at runtime")

src/main/scala/minisql/idiom/Idiom.scala

@@ -14,7 +14,7 @@ trait Idiom extends Capabilities {
 
   def liftingPlaceholder(index: Int): String
 
-  def translate(ast: Ast)(implicit naming: NamingStrategy): (Ast, Statement)
+  def translate(ast: Ast)(using naming: NamingStrategy): (Ast, Statement)
 
   def format(queryString: String): String = queryString
 

src/main/scala/minisql/idiom/ReifyStatement.scala

@@ -63,6 +63,6 @@ object ReifyStatement {
     emptySetContainsToken: Token => Token,
     liftMap: SMap[String, (Any, Any)]
   ): (Token) = {
-    statement
+    ???
   }
 }

src/main/scala/minisql/parsing/LiftParsing.scala

@@ -3,7 +3,7 @@ package minisql.parsing
 import scala.quoted.*
 import minisql.ParamEncoder
 import minisql.ast
-import minisql.dsl.*
+import minisql.*
 
 private[parsing] def liftParsing(
   astParser: => Parser[ast.Ast]

src/main/scala/minisql/parsing/OperationParsing.scala

@@ -7,7 +7,7 @@ import minisql.ast.{
   NumericOperator,
   BooleanOperator
 }
-import minisql.dsl.*
+import minisql.*
 import scala.quoted._
 
 private[parsing] def operationParsing(

src/main/scala/minisql/util/CollectTry.scala

@@ -1,6 +1,24 @@
 package minisql.util
 
-import scala.util.Try
+import scala.util.*
+
+extension [A](xs: IArray[A]) {
+  private[minisql] def traverse[B](f: A => Try[B]): Try[IArray[B]] = {
+    val out                     = IArray.newBuilder[Any]
+    var left: Option[Throwable] = None
+    xs.foreach { (v) =>
+      if (!left.isDefined) {
+        f(v) match {
+          case Failure(e) =>
+            left = Some(e)
+          case Success(r) =>
+            out += r
+        }
+      }
+    }
+    left.toLeft(out.result().asInstanceOf).toTry
+  }
+}
 
 object CollectTry {
   def apply[T](list: List[Try[T]]): Try[List[T]] =

src/main/scala/minisql/util/LoadObject.scala

@@ -5,6 +5,11 @@ import scala.util.Try
 
 object LoadObject {
 
+  def apply[T](using Quotes, Type[T]): Try[T] = {
+    import quotes.reflect.*
+    apply(TypeRepr.of[T])
+  }
+
   def apply[T](using Quotes)(ot: quotes.reflect.TypeRepr): Try[T] = Try {
     import quotes.reflect.*
     val moduleClsName = ot.typeSymbol.companionModule.moduleClass.fullName

src/test/scala/minisql/parsing/ParsingSuite.scala

@@ -4,11 +4,35 @@ import minisql.ast.*
 
 class ParsingSuite extends munit.FunSuite {
 
-  inline def testParseInline(inline x: Any, ast: Ast) = {
+  test("Ident") {
+    val x = 1
     assertEquals(Parsing.parse(x), Ident("x"))
   }
 
-  test("Ident") {
+  test("NumericOperator.+") {
-    val x = 1
+    val a = 1
+    val b = 2
+    assertEquals(
+      Parsing.parse(a + b),
+      BinaryOperation(Ident("a"), NumericOperator.+, Ident("b"))
+    )
+  }
+
+  test("NumericOperator.-") {
+    val a = 1
+    val b = 2
+    assertEquals(
+      Parsing.parse(a - b),
+      BinaryOperation(Ident("a"), NumericOperator.-, Ident("b"))
+    )
+  }
+
+  test("NumericOperator.*") {
+    val a = 1
+    val b = 2
+    assertEquals(
+      Parsing.parse(a * b),
+      BinaryOperation(Ident("a"), NumericOperator.*, Ident("b"))
+    )
   }
 }

src/test/scala/minisql/parsing/QuerySuite.scala

@@ -0,0 +1 @@
+