Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.scl.compiler / src / org / simantics / scl / compiler / internal / codegen / ssa / SSAExit.java

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/codegen/ssa/SSAExit.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/codegen/ssa/SSAExit.java
new file mode 100644 (file)
index 0000000..5727f8e
--- /dev/null
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/codegen/ssa/SSAExit.java
@@ -0,0 +1,71 @@
+package org.simantics.scl.compiler.internal.codegen.ssa;\r
+\r
+import java.util.ArrayList;\r
+\r
+import org.simantics.scl.compiler.internal.codegen.continuations.Cont;\r
+import org.simantics.scl.compiler.internal.codegen.continuations.ContRef;\r
+import org.simantics.scl.compiler.internal.codegen.references.BoundVar;\r
+import org.simantics.scl.compiler.internal.codegen.references.Val;\r
+import org.simantics.scl.compiler.internal.codegen.references.ValRef;\r
+import org.simantics.scl.compiler.internal.codegen.ssa.statements.LetApply;\r
+import org.simantics.scl.compiler.internal.codegen.utils.CopyContext;\r
+import org.simantics.scl.compiler.internal.codegen.utils.MethodBuilder;\r
+import org.simantics.scl.compiler.internal.codegen.utils.Printable;\r
+import org.simantics.scl.compiler.internal.codegen.utils.PrintingContext;\r
+import org.simantics.scl.compiler.internal.codegen.utils.SSASimplificationContext;\r
+import org.simantics.scl.compiler.internal.codegen.utils.SSAValidationContext;\r
+import org.simantics.scl.compiler.types.TVar;\r
+import org.simantics.scl.compiler.types.Type;\r
+import org.simantics.scl.compiler.types.Types;\r
+\r
+\r
+public abstract class SSAExit implements Printable {\r
+    SSABlock parent;\r
+    public long location;\r
+\r
+    public abstract void generateCode(MethodBuilder mb);\r
+\r
+    public abstract void validate(SSAValidationContext context);\r
+\r
+    public void simplify(SSASimplificationContext context) {\r
+    }\r
+\r
+    public abstract void destroy();\r
+    \r
+    @Override\r
+    public String toString() {\r
+        PrintingContext context = new PrintingContext();\r
+        toString(context);\r
+        return context.toString();\r
+    }\r
+    \r
+    public SSABlock getParent() {\r
+        return parent;\r
+    }\r
+\r
+    public abstract SSAExit copy(CopyContext context);\r
+    public abstract void replace(TVar[] vars, Type[] replacements);\r
+\r
+    public abstract void collectFreeVariables(SSAFunction function, ArrayList<ValRef> vars);\r
+\r
+    public abstract Cont addParametersInFrontOf(ContRef contRef, Val[] newParameters, Val[] oldParameters, Cont proxy);\r
+    \r
+    public SSAFunction getParentFunction() {\r
+        return parent.parent;\r
+    }\r
+    \r
+    public void replaceByApply(ValRef valRef, Val function, Type[] typeParameters, Val[] parameters) {\r
+        BoundVar target = new BoundVar(valRef.getBinding().getType());\r
+        parent.addStatement(new LetApply(target, Types.NO_EFFECTS, function.createOccurrence(typeParameters), ValRef.createOccurrences(parameters)));\r
+        valRef.replaceBy(target);\r
+    }\r
+\r
+    public boolean isJump(Cont cont, Val parameter) {        \r
+        return false;\r
+    }\r
+    \r
+    public abstract SSABlock[] getSuccessors();\r
+\r
+    public void prepare(MethodBuilder mb) {\r
+    }\r
+}
\ No newline at end of file