X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.scl.compiler%2Fsrc%2Forg%2Fsimantics%2Fscl%2Fcompiler%2Felaboration%2Ffundeps%2FFundep.java;fp=bundles%2Forg.simantics.scl.compiler%2Fsrc%2Forg%2Fsimantics%2Fscl%2Fcompiler%2Felaboration%2Ffundeps%2FFundep.java;h=69ad49a6ecc92926c47a9a4eaf220a0e01c0a1eb;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/fundeps/Fundep.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/fundeps/Fundep.java
new file mode 100644
index 000000000..69ad49a6e
--- /dev/null
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/fundeps/Fundep.java
@@ -0,0 +1,43 @@
+package org.simantics.scl.compiler.elaboration.fundeps;
+
+import org.simantics.scl.compiler.common.exceptions.InternalCompilerError;
+import org.simantics.scl.compiler.internal.parsing.declarations.FundepAst;
+
+
+public class Fundep {
+    public static final Fundep[] EMPTY_ARRAY = new Fundep[0];
+    public final int[] from;
+    public final int[] to;
+
+    public Fundep(int[] from, int[] to) {
+        this.from = from;
+        this.to = to;
+    }
+    
+    public Fundep(int[] from, int to) {
+        this(from, new int[] {to});
+    }
+
+    private static int mapParameterName(String[] parameterNames, String name) {
+        for(int i=0;i<parameterNames.length;++i)
+            if(parameterNames[i].equals(name))
+                return i;
+        throw new InternalCompilerError("Fundep.mapParameterName error handling missing.");
+    }
+
+    private static int[] mapParameterNames(String[] parameterNames, String[] names) {
+        int[] result = new int[names.length];
+        for(int i=0;i<names.length;++i)
+            result[i] = mapParameterName(parameterNames, names[i]);
+        return result;
+    }
+
+    public static Fundep[] mapFundeps(String[] parameterNames, FundepAst[] fundeps) {
+        Fundep[] result = new Fundep[fundeps.length];
+        for(int i=0;i<fundeps.length;++i)
+            result[i] = new Fundep(
+                    mapParameterNames(parameterNames, fundeps[i].from), 
+                    mapParameterName(parameterNames, fundeps[i].to));
+        return result;
+    }
+}