(refs #7278, refs #7279) Small fixes to InternalCompilerExceptions

[simantics/platform.git] / bundles / org.simantics.scl.compiler / src / org / simantics / scl / compiler / internal / elaboration / matching / PatternMatchingCompiler.java

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 9bf056bef825fe3a6c3db4e0cbef0fed1572c6eb..12bf42e5bed980910034d3aa661938341a743247 100644 (file)
--- 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
@@ -5,6 +5,7 @@ import java.util.Arrays;
 import java.util.List;
 
 import org.simantics.scl.compiler.common.exceptions.InternalCompilerError;
+import org.simantics.scl.compiler.compilation.CompilationContext;
 import org.simantics.scl.compiler.constants.Constant;
 import org.simantics.scl.compiler.elaboration.expressions.EApply;
 import org.simantics.scl.compiler.elaboration.expressions.EApplyType;
@@ -18,7 +19,6 @@ import org.simantics.scl.compiler.elaboration.expressions.Expression;
 import org.simantics.scl.compiler.elaboration.expressions.GuardedExpressionGroup;
 import org.simantics.scl.compiler.elaboration.modules.SCLValue;
 import org.simantics.scl.compiler.elaboration.modules.TypeConstructor;
-import org.simantics.scl.compiler.environment.Environment;
 import org.simantics.scl.compiler.internal.codegen.continuations.Branch;
 import org.simantics.scl.compiler.internal.codegen.continuations.ICont;
 import org.simantics.scl.compiler.internal.codegen.references.IVal;
@@ -54,7 +54,7 @@ public class PatternMatchingCompiler {
         return newVals;
     }
 
-    private static void splitByConstructors(CodeWriter w, final Environment env, IVal[] scrutinee, final ICont success, ICont failure, List<Row> rows, int columnId) {
+    private static void splitByConstructors(CodeWriter w, final CompilationContext context, IVal[] scrutinee, final ICont success, ICont failure, List<Row> rows, int columnId) {
         THashMap<Object, ExpressionMatrix> matrixMap = new THashMap<Object, ExpressionMatrix>();
         ArrayList<Branch> branches = new ArrayList<Branch>();
         ArrayList<ExpressionMatrix> matrices = new ArrayList<ExpressionMatrix>();
@@ -167,7 +167,7 @@ public class PatternMatchingCompiler {
             CodeWriter newW = w.createBlock();
             ICont cont = newW.getContinuation();
             branches.add(new Branch(null, cont));
-            split(newW, env, scrutinee, success, failure, rows.subList(i, rows.size()));
+            split(newW, context, scrutinee, success, failure, rows.subList(i, rows.size()));
             failure = cont;
         }
         else {
@@ -177,7 +177,7 @@ public class PatternMatchingCompiler {
             } catch (MatchException e) {
                 throw new InternalCompilerError();
             }
-            TypeConstructor cons = (TypeConstructor)env.getTypeDescriptor(con);
+            TypeConstructor cons = (TypeConstructor)context.environment.getTypeDescriptor(con);
             int maxBranchCount = cons.isOpen ? Integer.MAX_VALUE 
                     : cons.constructors.length;
             if(branches.size() < maxBranchCount)
@@ -185,11 +185,11 @@ public class PatternMatchingCompiler {
         }
 
         for(ExpressionMatrix mx : matrices)
-            split(mx.w, env, mx.scrutinee, success, failure, mx.rows);
+            split(mx.w, context, mx.scrutinee, success, failure, mx.rows);
         w.switch_(scrutinee[columnId], branches.toArray(new Branch[branches.size()]));
     }
 
-    private static void splitByViewPattern(CodeWriter w, Environment env, IVal[] scrutinee, ICont success,
+    private static void splitByViewPattern(CodeWriter w, CompilationContext context, IVal[] scrutinee, ICont success,
             ICont failure, List<Row> rows, int viewPatternColumn) {
         Row firstRow = rows.get(0);
         EViewPattern firstViewPattern = (EViewPattern)firstRow.patterns[viewPatternColumn];
@@ -221,19 +221,19 @@ public class PatternMatchingCompiler {
         IVal[] newScrutinee = Arrays.copyOf(scrutinee, scrutinee.length);
         newScrutinee[viewPatternColumn] =
                 w.apply(firstViewPattern.location,
-                        firstViewPattern.expression.toVal(env, w),
+                        firstViewPattern.expression.toVal(context, w),
                         scrutinee[viewPatternColumn]);
         if(i == rows.size()) {
-            split(w, env, newScrutinee, success, failure, rows);
+            split(w, context, newScrutinee, success, failure, rows);
         }
         else {
             CodeWriter cont = w.createBlock();
-            split(w, env, newScrutinee, success, cont.getContinuation(), rows.subList(0, i));
-            split(cont, env, scrutinee, success, failure, rows.subList(i, rows.size()));
+            split(w, context, newScrutinee, success, cont.getContinuation(), rows.subList(0, i));
+            split(cont, context, scrutinee, success, failure, rows.subList(i, rows.size()));
         }
     }
 
-    public static void split(CodeWriter w, Environment env, IVal[] scrutinee, ICont success, ICont failure, List<Row> rows) {
+    public static void split(CodeWriter w, CompilationContext context, IVal[] scrutinee, ICont success, ICont failure, List<Row> rows) {
         Row firstRow = rows.get(0);
         Expression[] patterns = firstRow.patterns;
         if(scrutinee.length != patterns.length)
@@ -248,13 +248,13 @@ public class PatternMatchingCompiler {
                     viewPatternColumn = i;
             }
             else if(!(pattern instanceof EVariable)) {
-                splitByConstructors(w, env, scrutinee, success, failure, rows, i);
+                splitByConstructors(w, context, scrutinee, success, failure, rows, i);
                 return;
             }
         }
         
         if(viewPatternColumn >= 0) {
-            splitByViewPattern(w, env, scrutinee, success, failure, rows, viewPatternColumn);
+            splitByViewPattern(w, context, scrutinee, success, failure, rows, viewPatternColumn);
             return;
         }
 
@@ -264,16 +264,16 @@ public class PatternMatchingCompiler {
         if(firstRow.value instanceof GuardedExpressionGroup) {
             GuardedExpressionGroup group = (GuardedExpressionGroup)firstRow.value;
             if(rows.size() == 1) {
-                group.compile(env, w, success, failure);
+                group.compile(context, w, success, failure);
             }
             else {
                 CodeWriter newW = w.createBlock();            
                 ICont cont = newW.getContinuation();
-                group.compile(env, w, success, cont);
-                split(newW, env, scrutinee, success, failure, rows.subList(1, rows.size()));
+                group.compile(context, w, success, cont);
+                split(newW, context, scrutinee, success, failure, rows.subList(1, rows.size()));
             }
         }
         else
-            w.jump(success, firstRow.value.toVal(env, w));
+            w.jump(success, firstRow.value.toVal(context, w));
     }
 }