From 9fafa930ec59d0001415f5cff3579456ec38ae65 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Hannu=20Niemist=C3=B6?= Date: Mon, 7 Aug 2017 11:08:39 +0300 Subject: [PATCH] (refs #7414) Added Dynamic constructor Change-Id: I64bd802966ac2f44b88b1b6d87518a730a0a6203 --- .../constants/LocalVariableConstant.java | 2 +- .../elaboration/expressions/EConstant.java | 3 +- .../compiler/elaboration/java/Builtins.java | 4 ++ .../elaboration/java/DynamicConstructor.java | 51 +++++++++++++++++++ .../internal/codegen/utils/MethodBuilder.java | 4 ++ .../matching/PatternMatchingCompiler.java | 3 +- .../matching2/PatternMatchingCompiler2.java | 3 +- .../org.simantics.scl.runtime/scl/Prelude.scl | 18 +++++++ .../compiler/tests/ModuleRegressionTests.java | 3 +- .../scl/compiler/tests/scl/Dynamic1.scl | 13 +++++ 10 files changed, 99 insertions(+), 5 deletions(-) create mode 100644 bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/java/DynamicConstructor.java create mode 100644 tests/org.simantics.scl.compiler.tests/src/org/simantics/scl/compiler/tests/scl/Dynamic1.scl diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/constants/LocalVariableConstant.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/constants/LocalVariableConstant.java index 7de438d15..336ed04e3 100644 --- a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/constants/LocalVariableConstant.java +++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/constants/LocalVariableConstant.java @@ -8,7 +8,7 @@ import org.simantics.scl.compiler.types.Type; public class LocalVariableConstant extends Constant { - LocalVariable var; + public LocalVariable var; public LocalVariableConstant(Type type, LocalVariable var) { super(type); diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/EConstant.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/EConstant.java index a668fe12b..b33ebcf25 100644 --- a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/EConstant.java +++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/EConstant.java @@ -15,6 +15,7 @@ import org.simantics.scl.compiler.elaboration.contexts.TypingContext; import org.simantics.scl.compiler.elaboration.errors.NotPatternException; import org.simantics.scl.compiler.elaboration.expressions.lhstype.LhsType; import org.simantics.scl.compiler.elaboration.expressions.lhstype.PatternMatchingLhs; +import org.simantics.scl.compiler.elaboration.java.DynamicConstructor; import org.simantics.scl.compiler.elaboration.modules.SCLValue; import org.simantics.scl.compiler.errors.Locations; import org.simantics.scl.compiler.internal.codegen.references.IVal; @@ -190,7 +191,7 @@ public class EConstant extends Expression { context.recursiveReferences.add(placeholder); return placeholder; } - else if(context.isInPattern()) { + else if(context.isInPattern() && value.getValue() != DynamicConstructor.INSTANCE /* HACK!! */) { /* This is little hackish code that handles the following kind of constructors: * data Thunk a = Thunk s (a -> s) * in diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/java/Builtins.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/java/Builtins.java index 4d48d1e9c..6df643ea3 100644 --- a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/java/Builtins.java +++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/java/Builtins.java @@ -177,6 +177,10 @@ public class Builtins extends ConcreteModule { new Constructor(Locations.NO_LOCATION, MaybeType.INSTANCE, Just.getName(), new Type[] {MaybeType.INSTANCE.parameters[0]}, null) ); + // *** Dynamic *** + + addValue("Dynamic", DynamicConstructor.INSTANCE); + // *** Vector *** TypeClass VecCompC = new TypeClass(Locations.NO_LOCATION, diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/java/DynamicConstructor.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/java/DynamicConstructor.java new file mode 100644 index 000000000..078e7f647 --- /dev/null +++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/java/DynamicConstructor.java @@ -0,0 +1,51 @@ +package org.simantics.scl.compiler.elaboration.java; + +import org.cojen.classfile.TypeDesc; +import org.objectweb.asm.Label; +import org.simantics.scl.compiler.constants.FunctionValue; +import org.simantics.scl.compiler.constants.LocalVariableConstant; +import org.simantics.scl.compiler.internal.codegen.continuations.Cont; +import org.simantics.scl.compiler.internal.codegen.references.IVal; +import org.simantics.scl.compiler.internal.codegen.references.Val; +import org.simantics.scl.compiler.internal.codegen.utils.LocalVariable; +import org.simantics.scl.compiler.internal.codegen.utils.MethodBuilder; +import org.simantics.scl.compiler.types.TVar; +import org.simantics.scl.compiler.types.Type; +import org.simantics.scl.compiler.types.Types; +import org.simantics.scl.compiler.types.kinds.Kinds; + +/** + * Dynamic :: a -> Dynamic + */ +public class DynamicConstructor extends FunctionValue { + private static final TVar A = Types.var(Kinds.STAR); + public static final DynamicConstructor INSTANCE = new DynamicConstructor(); + + private DynamicConstructor() { + super(new TVar[] {A}, Types.NO_EFFECTS, Types.DYNAMIC, A); + } + + @Override + public Type applyExact(MethodBuilder mb, Val[] parameters) { + mb.pushBoxed(parameters[0]); + return Types.DYNAMIC; + } + + @Override + public void deconstruct(MethodBuilder mb, IVal parameter, Cont success, Label failure) { + Type expectedType = success.getParameterType(0); + TypeDesc expectedTypeDesc = mb.getJavaTypeTranslator().toTypeDesc(expectedType); + TypeDesc expectedObjectTypeDesc = expectedTypeDesc.toObjectType(); + LocalVariable cachedParameter = mb.cacheValue(parameter, Types.DYNAMIC); + mb.loadLocal(cachedParameter); + mb.instanceOf(expectedObjectTypeDesc); + mb.ifZeroComparisonBranch(failure, "=="); + + mb.loadLocal(cachedParameter); + mb.checkCast(expectedObjectTypeDesc); + mb.unbox(expectedType); + LocalVariable casted = mb.createLocalVariable("dynamicContent", expectedTypeDesc); + mb.storeLocal(casted); + mb.jump(success, new LocalVariableConstant(expectedType, casted)); + } +} diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/codegen/utils/MethodBuilder.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/codegen/utils/MethodBuilder.java index 56b5c8e67..52d19cc54 100644 --- a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/codegen/utils/MethodBuilder.java +++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/codegen/utils/MethodBuilder.java @@ -4,6 +4,7 @@ import org.cojen.classfile.TypeDesc; import org.objectweb.asm.Label; import org.objectweb.asm.MethodVisitor; import org.simantics.scl.compiler.common.exceptions.InternalCompilerError; +import org.simantics.scl.compiler.constants.LocalVariableConstant; import org.simantics.scl.compiler.internal.codegen.continuations.Cont; import org.simantics.scl.compiler.internal.codegen.continuations.ContRef; import org.simantics.scl.compiler.internal.codegen.continuations.ReturnCont; @@ -231,6 +232,9 @@ public class MethodBuilder extends MethodBuilderBase { if(!boundVar.generateOnFly) return getLocalVariable(boundVar); } + else if(val instanceof LocalVariableConstant) { + return ((LocalVariableConstant)val).var; + } push(val, type); LocalVariable temp = createLocalVariable(null, getJavaTypeTranslator().toTypeDesc(type)); storeLocal(temp); diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/elaboration/matching/PatternMatchingCompiler.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/elaboration/matching/PatternMatchingCompiler.java index 12bf42e5b..62b2ec1aa 100644 --- a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/elaboration/matching/PatternMatchingCompiler.java +++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/elaboration/matching/PatternMatchingCompiler.java @@ -17,6 +17,7 @@ import org.simantics.scl.compiler.elaboration.expressions.EVariable; import org.simantics.scl.compiler.elaboration.expressions.EViewPattern; import org.simantics.scl.compiler.elaboration.expressions.Expression; import org.simantics.scl.compiler.elaboration.expressions.GuardedExpressionGroup; +import org.simantics.scl.compiler.elaboration.java.DynamicConstructor; import org.simantics.scl.compiler.elaboration.modules.SCLValue; import org.simantics.scl.compiler.elaboration.modules.TypeConstructor; import org.simantics.scl.compiler.internal.codegen.continuations.Branch; @@ -94,7 +95,7 @@ public class PatternMatchingCompiler { if(constructor_ instanceof EConstant) { SCLValue constructor = ((EConstant)constructor_).getValue(); - ExpressionMatrix matrix = matrixMap.get(constructor.getName()); + ExpressionMatrix matrix = constructor.getValue() == DynamicConstructor.INSTANCE ? null : matrixMap.get(constructor.getName()); if(matrix == null) { CodeWriter newW = w.createBlock(Types.getTypes(parameters)); branches.add(new Branch((Constant)constructor.getValue(), newW.getContinuation())); diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/elaboration/matching2/PatternMatchingCompiler2.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/elaboration/matching2/PatternMatchingCompiler2.java index 8ca51b275..24a3bfb2e 100644 --- a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/elaboration/matching2/PatternMatchingCompiler2.java +++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/elaboration/matching2/PatternMatchingCompiler2.java @@ -16,6 +16,7 @@ import org.simantics.scl.compiler.elaboration.expressions.ELiteral; import org.simantics.scl.compiler.elaboration.expressions.EVariable; import org.simantics.scl.compiler.elaboration.expressions.EViewPattern; import org.simantics.scl.compiler.elaboration.expressions.Expression; +import org.simantics.scl.compiler.elaboration.java.DynamicConstructor; import org.simantics.scl.compiler.elaboration.modules.SCLValue; import org.simantics.scl.compiler.elaboration.modules.TypeConstructor; import org.simantics.scl.compiler.internal.codegen.continuations.Branch; @@ -93,7 +94,7 @@ public class PatternMatchingCompiler2 { if(constructor_ instanceof EConstant) { SCLValue constructor = ((EConstant)constructor_).getValue(); - ExpressionMatrix matrix = matrixMap.get(constructor.getName()); + ExpressionMatrix matrix = constructor.getValue() == DynamicConstructor.INSTANCE ? null : matrixMap.get(constructor.getName()); if(matrix == null) { CodeWriter newW = w.createBlock(Types.getTypes(parameters)); branches.add(new Branch((Constant)constructor.getValue(), newW.getContinuation())); diff --git a/bundles/org.simantics.scl.runtime/scl/Prelude.scl b/bundles/org.simantics.scl.runtime/scl/Prelude.scl index c81f83089..eb1e8cd6f 100644 --- a/bundles/org.simantics.scl.runtime/scl/Prelude.scl +++ b/bundles/org.simantics.scl.runtime/scl/Prelude.scl @@ -1540,6 +1540,24 @@ joinWithSeparator :: Show a => String -> [a] -> String joinWithSeparator separator values = runProc ( StringBuilder.toString $ printWithSeparator StringBuilder.new separator values) + +intercalate :: String -> [String] -> String +intercalate separator strings = do + l = length strings + if l == 0 + then "" + else if l == 1 + then strings!0 + else runProc do + sb = StringBuilder.new + sb << strings!0 + loop i | i == l = () + | otherwise = do + sb << separator << strings!i + loop (i+1) + loop 1 + StringBuilder.toString sb + instance (Show a) => Show [a] where sb <+ l = do len = length l diff --git a/tests/org.simantics.scl.compiler.tests/src/org/simantics/scl/compiler/tests/ModuleRegressionTests.java b/tests/org.simantics.scl.compiler.tests/src/org/simantics/scl/compiler/tests/ModuleRegressionTests.java index 39b53b8b5..cf3aa021b 100644 --- a/tests/org.simantics.scl.compiler.tests/src/org/simantics/scl/compiler/tests/ModuleRegressionTests.java +++ b/tests/org.simantics.scl.compiler.tests/src/org/simantics/scl/compiler/tests/ModuleRegressionTests.java @@ -51,7 +51,8 @@ public class ModuleRegressionTests extends TestBase { @Test public void DifferentBranchTypes() { test(); } @Test public void Div() { test(); } @Test public void DoubleConversion() { test(); } - @Test public void DoubleEffect() { test(); } + @Test public void DoubleEffect() { test(); } + @Test public void Dynamic1() { test(); } @Test public void Effects1() { test(); } @Test public void Effects2() { test(); } @Test public void Effects3() { test(); } diff --git a/tests/org.simantics.scl.compiler.tests/src/org/simantics/scl/compiler/tests/scl/Dynamic1.scl b/tests/org.simantics.scl.compiler.tests/src/org/simantics/scl/compiler/tests/scl/Dynamic1.scl new file mode 100644 index 000000000..ca32ea4a2 --- /dev/null +++ b/tests/org.simantics.scl.compiler.tests/src/org/simantics/scl/compiler/tests/scl/Dynamic1.scl @@ -0,0 +1,13 @@ +import "Prelude" + +myShow :: Dynamic -> String +myShow (Dynamic v) = show (v :: Integer) +myShow (Dynamic v) = show (v :: Double) +myShow (Dynamic v) = show (v :: String) +myShow (Dynamic v) = show (v :: Boolean) +myShow (Dynamic v) = "[\(intercalate ", " $ map myShow v)]" +myShow _ = "Unknown" + +main = myShow $ Dynamic [Dynamic False, Dynamic (3 :: Integer), Dynamic (3.1 :: Double), Dynamic "Foo"] +-- +[False, 3, 3.1, "Foo"] \ No newline at end of file -- 2.47.1