X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.modeling%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2FComponentTypeScriptRequest.java;fp=bundles%2Forg.simantics.modeling%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2FComponentTypeScriptRequest.java;h=200b2f813de4cc06ae8ea0819d2819f09b6151e6;hp=0000000000000000000000000000000000000000;hb=969bd23cab98a79ca9101af33334000879fb60c5;hpb=866dba5cd5a3929bbeae85991796acb212338a08

diff --git a/bundles/org.simantics.modeling/src/org/simantics/modeling/ComponentTypeScriptRequest.java b/bundles/org.simantics.modeling/src/org/simantics/modeling/ComponentTypeScriptRequest.java
new file mode 100644
index 000000000..200b2f813
--- /dev/null
+++ b/bundles/org.simantics.modeling/src/org/simantics/modeling/ComponentTypeScriptRequest.java
@@ -0,0 +1,116 @@
+package org.simantics.modeling;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import org.simantics.databoard.Bindings;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.request.Read;
+import org.simantics.scl.compiler.environment.LocalEnvironment;
+import org.simantics.scl.compiler.environment.specification.EnvironmentSpecification;
+import org.simantics.scl.compiler.errors.CompilationError;
+import org.simantics.scl.compiler.module.repository.ImportFailure;
+import org.simantics.scl.compiler.module.repository.ImportFailureException;
+import org.simantics.scl.compiler.runtime.RuntimeEnvironment;
+import org.simantics.scl.compiler.top.ExpressionEvaluator;
+import org.simantics.scl.compiler.top.SCLExpressionCompilationException;
+import org.simantics.structural.stubs.StructuralResource2;
+
+public class ComponentTypeScriptRequest implements Read<ComponentTypeScriptResult> {
+
+    private Resource script;
+    private Resource componentType;
+
+    public ComponentTypeScriptRequest(Resource script, Resource componentType) {
+        this.script = script;
+        this.componentType = componentType;
+    }
+    
+    @Override
+    public ComponentTypeScriptResult perform(ReadGraph graph) throws DatabaseException {
+        IComponentTypeScriptEnvironmentFactory factory = graph.adapt(componentType, IComponentTypeScriptEnvironmentFactory.class);
+
+        EnvironmentSpecification spec = factory.getRuntimeEnvironmentSpecification(graph, componentType);
+        
+        RuntimeEnvironment runtime;
+        try {
+            runtime = graph.syncRequest(new ComponentTypeScriptRuntimeEnvironmentRequest(spec));
+        }
+        catch (DatabaseException e) {
+            if (e.getCause() instanceof ImportFailureException) {
+                ImportFailureException cause = (ImportFailureException)e.getCause();
+                // if one of the scl modules can not be imported just show an error
+                // at the very start of the editor
+                List<CompilationError> errors = new ArrayList<CompilationError>();
+                for (ImportFailure failure : cause.failures) {
+                    errors.add(new CompilationError(0, failure.toString()));
+                }
+                return new ComponentTypeScriptResult(errors, null);
+            }
+            else {
+                throw e;
+            }
+        }
+        
+        StructuralResource2 str = StructuralResource2.getInstance(graph);
+        String code = graph.getRelatedValue(script, str.ComponentTypeScript_code, Bindings.STRING);
+        
+        ExpressionEvaluator eval = new ExpressionEvaluator(runtime, code);
+        eval.interpretIfPossible(false).parseAsBlock(true);
+        
+        // set the local environment if necessary
+        LocalEnvironment local = factory.getLocalEnvironment(graph, componentType);
+        if (local != null)
+            eval.localEnvironment(local);
+        
+        Object result;
+        try {
+            result = eval.eval();
+        }
+        catch (SCLExpressionCompilationException e) {
+            return new ComponentTypeScriptResult(Arrays.asList(e.getErrors()), null);
+        }
+        
+        return new ComponentTypeScriptResult(Collections.<CompilationError>emptyList(), 
+                                             result, 
+                                             factory.getModuleReads(local), 
+                                             factory.getModuleWrites(local));
+    }
+    
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result
+                + ((componentType == null) ? 0 : componentType.hashCode());
+        result = prime * result + ((script == null) ? 0 : script.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        ComponentTypeScriptRequest other = (ComponentTypeScriptRequest) obj;
+        if (componentType == null) {
+            if (other.componentType != null)
+                return false;
+        } else if (!componentType.equals(other.componentType))
+            return false;
+        if (script == null) {
+            if (other.script != null)
+                return false;
+        } else if (!script.equals(other.script))
+            return false;
+        return true;
+    }
+
+}