Examples with JExpression com.sun.codemodel.JExpression used on opensource projects

Example 6 with JExpression

use of com.sun.codemodel.JExpression in project rest.li by linkedin.

the class JavaRequestBuilderGenerator method createFieldDef.

/**
   * Helper class to create FieldDefs
   *
   * @param name   the fieldDef name
   * @param type   the fieldDef type
   * @param enclosingClass the class the FieldDef is being created in
   *
   * @return JInvocation of the creation of the FieldDef
   */
private JInvocation createFieldDef(String name, String type, JDefinedClass enclosingClass) {
    final JavaBinding binding = getJavaBindingType(type, enclosingClass);
    final JExpression schema = getCodeModel().ref(DataTemplateUtil.class).staticInvoke("getSchema").arg(binding.schemaClass.dotclass());
    final JInvocation fieldDefInvocation = JExpr._new(getCodeModel().ref(FieldDef.class).narrow(binding.valueClass)).arg(name).arg(binding.valueClass.dotclass()).arg(schema);
    return fieldDefInvocation;
}

Example 7 with JExpression

use of com.sun.codemodel.JExpression in project drill by apache.

the class HashJoinBatch method setupHashJoinProbe.

public HashJoinProbe setupHashJoinProbe() throws ClassTransformationException, IOException {
    final CodeGenerator<HashJoinProbe> cg = CodeGenerator.get(HashJoinProbe.TEMPLATE_DEFINITION, context.getFunctionRegistry(), context.getOptions());
    cg.plainJavaCapable(true);
    // Uncomment out this line to debug the generated code.
    //    cg.saveCodeForDebugging(true);
    final ClassGenerator<HashJoinProbe> g = cg.getRoot();
    // Generate the code to project build side records
    g.setMappingSet(projectBuildMapping);
    int fieldId = 0;
    final JExpression buildIndex = JExpr.direct("buildIndex");
    final JExpression outIndex = JExpr.direct("outIndex");
    g.rotateBlock();
    if (rightSchema != null) {
        for (final MaterializedField field : rightSchema) {
            final MajorType inputType = field.getType();
            final MajorType outputType;
            // not nullable so we must exclude them from the check below (see DRILL-2197).
            if ((joinType == JoinRelType.LEFT || joinType == JoinRelType.FULL) && inputType.getMode() == DataMode.REQUIRED && inputType.getMinorType() != TypeProtos.MinorType.MAP) {
                outputType = Types.overrideMode(inputType, DataMode.OPTIONAL);
            } else {
                outputType = inputType;
            }
            // make sure to project field with children for children to show up in the schema
            final MaterializedField projected = field.withType(outputType);
            // Add the vector to our output container
            container.addOrGet(projected);
            final JVar inVV = g.declareVectorValueSetupAndMember("buildBatch", new TypedFieldId(field.getType(), true, fieldId));
            final JVar outVV = g.declareVectorValueSetupAndMember("outgoing", new TypedFieldId(outputType, false, fieldId));
            g.getEvalBlock().add(outVV.invoke("copyFromSafe").arg(buildIndex.band(JExpr.lit((int) Character.MAX_VALUE))).arg(outIndex).arg(inVV.component(buildIndex.shrz(JExpr.lit(16)))));
            g.rotateBlock();
            fieldId++;
        }
    }
    // Generate the code to project probe side records
    g.setMappingSet(projectProbeMapping);
    int outputFieldId = fieldId;
    fieldId = 0;
    final JExpression probeIndex = JExpr.direct("probeIndex");
    if (leftUpstream == IterOutcome.OK || leftUpstream == IterOutcome.OK_NEW_SCHEMA) {
        for (final VectorWrapper<?> vv : left) {
            final MajorType inputType = vv.getField().getType();
            final MajorType outputType;
            // not nullable so we must exclude them from the check below (see DRILL-2771, DRILL-2197).
            if ((joinType == JoinRelType.RIGHT || joinType == JoinRelType.FULL) && inputType.getMode() == DataMode.REQUIRED && inputType.getMinorType() != TypeProtos.MinorType.MAP) {
                outputType = Types.overrideMode(inputType, DataMode.OPTIONAL);
            } else {
                outputType = inputType;
            }
            final ValueVector v = container.addOrGet(MaterializedField.create(vv.getField().getPath(), outputType));
            if (v instanceof AbstractContainerVector) {
                vv.getValueVector().makeTransferPair(v);
                v.clear();
            }
            final JVar inVV = g.declareVectorValueSetupAndMember("probeBatch", new TypedFieldId(inputType, false, fieldId));
            final JVar outVV = g.declareVectorValueSetupAndMember("outgoing", new TypedFieldId(outputType, false, outputFieldId));
            g.getEvalBlock().add(outVV.invoke("copyFromSafe").arg(probeIndex).arg(outIndex).arg(inVV));
            g.rotateBlock();
            fieldId++;
            outputFieldId++;
        }
    }
    final HashJoinProbe hj = context.getImplementationClass(cg);
    return hj;
}

Example 8 with JExpression

use of com.sun.codemodel.JExpression in project drill by apache.

the class DrillAggFuncHolder method addProtectedBlock.

@Override
protected void addProtectedBlock(ClassGenerator<?> g, JBlock sub, String body, HoldingContainer[] inputVariables, JVar[] workspaceJVars, boolean decConstantInputOnly) {
    if (!g.getMappingSet().isHashAggMapping()) {
        super.addProtectedBlock(g, sub, body, inputVariables, workspaceJVars, decConstantInputOnly);
    } else {
        JExpression indexVariable = g.getMappingSet().getWorkspaceIndex();
        addProtectedBlockHA(g, sub, body, inputVariables, workspaceJVars, indexVariable);
    }
}

Example 9 with JExpression

use of com.sun.codemodel.JExpression in project drill by apache.

the class DrillComplexWriterFuncHolder method generateEvalBody.

@Override
protected HoldingContainer generateEvalBody(ClassGenerator<?> classGenerator, HoldingContainer[] inputVariables, String body, JVar[] workspaceJVars, FieldReference fieldReference) {
    classGenerator.getEvalBlock().directStatement(String.format("//---- start of eval portion of %s function. ----//", getRegisteredNames()[0]));
    JBlock sub = new JBlock(true, true);
    JBlock topSub = sub;
    JVar complexWriter = classGenerator.declareClassField("complexWriter", classGenerator.getModel()._ref(ComplexWriter.class));
    JInvocation container = classGenerator.getMappingSet().getOutgoing().invoke("getOutgoingContainer");
    //Default name is "col", if not passed in a reference name for the output vector.
    String refName = fieldReference == null ? "col" : fieldReference.getRootSegment().getPath();
    JClass cwClass = classGenerator.getModel().ref(VectorAccessibleComplexWriter.class);
    classGenerator.getSetupBlock().assign(complexWriter, cwClass.staticInvoke("getWriter").arg(refName).arg(container));
    JClass projBatchClass = classGenerator.getModel().ref(ProjectRecordBatch.class);
    JExpression projBatch = JExpr.cast(projBatchClass, classGenerator.getMappingSet().getOutgoing());
    classGenerator.getSetupBlock().add(projBatch.invoke("addComplexWriter").arg(complexWriter));
    classGenerator.getEvalBlock().add(complexWriter.invoke("setPosition").arg(classGenerator.getMappingSet().getValueWriteIndex()));
    sub.decl(classGenerator.getModel()._ref(ComplexWriter.class), getReturnValue().getName(), complexWriter);
    // add the subblock after the out declaration.
    classGenerator.getEvalBlock().add(topSub);
    addProtectedBlock(classGenerator, sub, body, inputVariables, workspaceJVars, false);
    //    JConditional jc = classGenerator.getEvalBlock()._if(complexWriter.invoke("ok").not());
    //    jc._then().add(complexWriter.invoke("reset"));
    //jc._then().directStatement("System.out.println(\"debug : write ok fail!, inIndex = \" + inIndex);");
    //    jc._then()._return(JExpr.FALSE);
    //jc._else().directStatement("System.out.println(\"debug : write successful, inIndex = \" + inIndex);");
    classGenerator.getEvalBlock().directStatement(String.format("//---- end of eval portion of %s function. ----//", getRegisteredNames()[0]));
    return null;
}

Example 10 with JExpression

use of com.sun.codemodel.JExpression in project groovy-cps by cloudbees.

the class Translator method translateMethod.

/**
     * @param e
     *      Method in {@code fqcn} to translate.
     */
private void translateMethod(final CompilationUnitTree cut, ExecutableElement e, JDefinedClass $output, String fqcn, String overloadResolved) {
    String methodName = n(e);
    boolean isPublic = e.getModifiers().contains(Modifier.PUBLIC);
    JMethod delegating = $output.method(isPublic ? JMod.PUBLIC | JMod.STATIC : JMod.STATIC, (JType) null, methodName);
    JMethod m = $output.method(JMod.PRIVATE | JMod.STATIC, (JType) null, overloadResolved);
    Map<String, JTypeVar> typeVars = new HashMap<>();
    e.getTypeParameters().forEach(p -> {
        String name = n(p);
        JTypeVar typeVar = delegating.generify(name);
        JTypeVar typeVar2 = m.generify(name);
        p.getBounds().forEach(b -> {
            JClass binding = (JClass) t(b, typeVars);
            typeVar.bound(binding);
            typeVar2.bound(binding);
        });
        typeVars.put(name, typeVar);
    });
    JType type = t(e.getReturnType(), typeVars);
    delegating.type(type);
    m.type(type);
    List<JVar> delegatingParams = new ArrayList<>();
    List<JVar> params = new ArrayList<>();
    e.getParameters().forEach(p -> {
        JType paramType = t(p.asType(), typeVars);
        delegatingParams.add(e.isVarArgs() && p == e.getParameters().get(e.getParameters().size() - 1) ? delegating.varParam(paramType.elementType(), n(p)) : delegating.param(paramType, n(p)));
        params.add(m.param(paramType, n(p)));
    });
    e.getThrownTypes().forEach(ex -> {
        delegating._throws((JClass) t(ex));
        m._throws((JClass) t(ex));
    });
    boolean returnsVoid = e.getReturnType().getKind() == TypeKind.VOID;
    if (isPublic) {
        // preamble
        /*
                If the call to this method happen outside CPS code, execute normally via DefaultGroovyMethods
             */
        delegating.body()._if(JOp.cand(JOp.not($Caller.staticInvoke("isAsynchronous").tap(inv -> {
            inv.arg(delegatingParams.get(0));
            inv.arg(methodName);
            for (int i = 1; i < delegatingParams.size(); i++) inv.arg(delegatingParams.get(i));
        })), JOp.not($Caller.staticInvoke("isAsynchronous").arg($output.dotclass()).arg(methodName).args(params))))._then().tap(blk -> {
            JClass $WhateverGroovyMethods = codeModel.ref(fqcn);
            JInvocation forward = $WhateverGroovyMethods.staticInvoke(methodName).args(delegatingParams);
            if (returnsVoid) {
                blk.add(forward);
                blk._return();
            } else {
                blk._return(forward);
            }
        });
    }
    JInvocation delegateCall = $output.staticInvoke(overloadResolved);
    if (returnsVoid) {
        delegating.body().add(delegateCall);
    } else {
        delegating.body()._return(delegateCall);
    }
    delegatingParams.forEach(p -> delegateCall.arg(p));
    JVar $b = m.body().decl($Builder, "b", JExpr._new($Builder).arg(JExpr.invoke("loc").arg(methodName)));
    JInvocation f = JExpr._new($CpsFunction);
    // parameter names
    f.arg(codeModel.ref(Arrays.class).staticInvoke("asList").tap(inv -> {
        e.getParameters().forEach(p -> inv.arg(n(p)));
    }));
    // translate the method body into an expression that invokes Builder
    f.arg(trees.getTree(e).getBody().accept(new SimpleTreeVisitor<JExpression, Void>() {

        private JExpression visit(Tree t) {
            if (t == null)
                return JExpr._null();
            return visit(t, null);
        }

        /**
             * Maps a symbol to its source location.
             */
        private JExpression loc(Tree t) {
            long pos = trees.getSourcePositions().getStartPosition(cut, t);
            return JExpr.lit((int) cut.getLineMap().getLineNumber(pos));
        }

        @Override
        public JExpression visitWhileLoop(WhileLoopTree wt, Void __) {
            return $b.invoke("while_").arg(// TODO: label
            JExpr._null()).arg(visit(wt.getCondition())).arg(visit(wt.getStatement()));
        }

        @Override
        public JExpression visitMethodInvocation(MethodInvocationTree mt, Void __) {
            ExpressionTree ms = mt.getMethodSelect();
            JInvocation inv;
            if (ms instanceof MemberSelectTree) {
                MemberSelectTree mst = (MemberSelectTree) ms;
                inv = $b.invoke("functionCall").arg(loc(mt)).arg(visit(mst.getExpression())).arg(n(mst.getIdentifier()));
            } else if (ms instanceof JCIdent) {
                // invocation without object selection, like  foo(bar,zot)
                JCIdent it = (JCIdent) ms;
                if (!it.sym.owner.toString().equals(fqcn)) {
                    // static import
                    inv = $b.invoke("functionCall").arg(loc(mt)).arg($b.invoke("constant").arg(t(it.sym.owner.type).dotclass())).arg(n(it));
                } else {
                    // invocation on this class
                    String overloadResolved = mangledName((Symbol.MethodSymbol) it.sym);
                    Optional<? extends Element> callSite = elements.getTypeElement(fqcn).getEnclosedElements().stream().filter(e -> e.getKind() == ElementKind.METHOD && mangledName((ExecutableElement) e).equals(overloadResolved)).findAny();
                    if (callSite.isPresent()) {
                        ExecutableElement e = (ExecutableElement) callSite.get();
                        if (e.getModifiers().contains(Modifier.PUBLIC) && !e.isVarArgs() && !e.getParameters().stream().anyMatch(p -> types.isAssignable(p.asType(), closureType))) {
                            // Delegate to the standard version.
                            inv = $b.invoke("staticCall").arg(loc(mt)).arg(t(it.sym.owner.type).dotclass()).arg(n(e));
                        } else if (overloadsResolved.containsKey(overloadResolved)) {
                            // Private, so delegate to our mangled version.
                            inv = $b.invoke("staticCall").arg(loc(mt)).arg($output.dotclass()).arg(overloadResolved);
                        } else {
                            throw new IllegalStateException("Not yet translating a " + e.getModifiers() + " method; translatable.txt might need to include: " + fqcn + "." + e);
                        }
                    } else {
                        throw new IllegalStateException("Could not find self-call site " + overloadResolved + " for " + mt);
                    }
                }
            } else {
                // TODO: figure out what can come here
                throw new UnsupportedOperationException(ms.toString());
            }
            mt.getArguments().forEach(a -> inv.arg(visit(a)));
            return inv;
        }

        @Override
        public JExpression visitVariable(VariableTree vt, Void __) {
            return $b.invoke("declareVariable").arg(loc(vt)).arg(erasure(vt).dotclass()).arg(n(vt)).arg(visit(vt.getInitializer()));
        }

        @Override
        public JExpression visitIdentifier(IdentifierTree it, Void __) {
            JCIdent idt = (JCIdent) it;
            return idt.sym.accept(new DefaultSymbolVisitor<JExpression, Void>() {

                @Override
                public JExpression visitClassSymbol(ClassSymbol cs, Void __) {
                    return $b.invoke("constant").arg(t(cs.asType()).dotclass());
                }

                @Override
                public JExpression visitVarSymbol(VarSymbol s, Void __) {
                    return $b.invoke("localVariable").arg(n(s.name));
                }

                @Override
                public JExpression visitSymbol(Symbol s, Void __) {
                    throw new UnsupportedOperationException(s.toString());
                }
            }, __);
        }

        @Override
        public JExpression visitBlock(BlockTree bt, Void __) {
            JInvocation inv = $b.invoke("block");
            bt.getStatements().forEach(s -> inv.arg(visit(s)));
            return inv;
        }

        @Override
        public JExpression visitReturn(ReturnTree rt, Void __) {
            return $b.invoke("return_").arg(visit(rt.getExpression()));
        }

        /**
             * When used outside {@link MethodInvocationTree}, this is property access.
             */
        @Override
        public JExpression visitMemberSelect(MemberSelectTree mt, Void __) {
            return $b.invoke("property").arg(loc(mt)).arg(visit(mt.getExpression())).arg(n(mt.getIdentifier()));
        }

        @Override
        public JExpression visitTypeCast(TypeCastTree tt, Void __) {
            return $b.invoke("cast").arg(loc(tt)).arg(visit(tt.getExpression())).arg(erasure(tt.getType()).dotclass()).arg(JExpr.lit(false));
        }

        @Override
        public JExpression visitIf(IfTree it, Void __) {
            JInvocation inv = $b.invoke("if_").arg(visit(it.getCondition())).arg(visit(it.getThenStatement()));
            if (it.getElseStatement() != null)
                inv.arg(visit(it.getElseStatement()));
            return inv;
        }

        @Override
        public JExpression visitNewClass(NewClassTree nt, Void __) {
            // TODO: outer class
            if (nt.getEnclosingExpression() != null)
                throw new UnsupportedOperationException();
            return $b.invoke("new_").tap(inv -> {
                inv.arg(loc(nt));
                inv.arg(t(((JCTree) nt).type).dotclass());
                nt.getArguments().forEach(et -> inv.arg(visit(et)));
            });
        }

        @Override
        public JExpression visitExpressionStatement(ExpressionStatementTree et, Void __) {
            return visit(et.getExpression());
        }

        @Override
        public JExpression visitLiteral(LiteralTree lt, Void __) {
            return $b.invoke("constant").arg(JExpr.literal(lt.getValue()));
        }

        @Override
        public JExpression visitParenthesized(ParenthesizedTree pt, Void __) {
            return visit(pt.getExpression());
        }

        @Override
        public JExpression visitBinary(BinaryTree bt, Void __) {
            return $b.invoke(opName(bt.getKind())).arg(loc(bt)).arg(visit(bt.getLeftOperand())).arg(visit(bt.getRightOperand()));
        }

        @Override
        public JExpression visitUnary(UnaryTree ut, Void __) {
            return $b.invoke(opName(ut.getKind())).arg(loc(ut)).arg(visit(ut.getExpression()));
        }

        @Override
        public JExpression visitCompoundAssignment(CompoundAssignmentTree ct, Void __) {
            return $b.invoke(opName(ct.getKind())).arg(loc(ct)).arg(visit(ct.getVariable())).arg(visit(ct.getExpression()));
        }

        private String opName(Kind kind) {
            switch(kind) {
                case EQUAL_TO:
                    return "compareEqual";
                case NOT_EQUAL_TO:
                    return "compareNotEqual";
                case LESS_THAN_EQUAL:
                    return "lessThanEqual";
                case LESS_THAN:
                    return "lessThan";
                case GREATER_THAN_EQUAL:
                    return "greaterThanEqual";
                case GREATER_THAN:
                    return "greaterThan";
                case PREFIX_INCREMENT:
                    return "prefixInc";
                case POSTFIX_INCREMENT:
                    return "postfixInc";
                case POSTFIX_DECREMENT:
                    return "postfixDec";
                case LOGICAL_COMPLEMENT:
                    return "not";
                case CONDITIONAL_OR:
                    return "logicalOr";
                case CONDITIONAL_AND:
                    return "logicalAnd";
                case PLUS:
                    return "plus";
                case PLUS_ASSIGNMENT:
                    return "plusEqual";
                case MINUS:
                    return "minus";
                case MINUS_ASSIGNMENT:
                    return "minusEqual";
            }
            throw new UnsupportedOperationException(kind.toString());
        }

        @Override
        public JExpression visitAssignment(AssignmentTree at, Void __) {
            return $b.invoke("assign").arg(loc(at)).arg(visit(at.getVariable())).arg(visit(at.getExpression()));
        }

        @Override
        public JExpression visitNewArray(NewArrayTree nt, Void __) {
            if (nt.getInitializers() != null) {
                return $b.invoke("newArrayFromInitializers").tap(inv -> {
                    nt.getInitializers().forEach(d -> inv.arg(visit(d)));
                });
            } else {
                return $b.invoke("newArray").tap(inv -> {
                    inv.arg(loc(nt));
                    inv.arg(t(nt.getType()).dotclass());
                    nt.getDimensions().forEach(d -> inv.arg(visit(d)));
                });
            }
        }

        @Override
        public JExpression visitForLoop(ForLoopTree ft, Void __) {
            return $b.invoke("forLoop").arg(JExpr._null()).arg($b.invoke("sequence").tap(inv -> ft.getInitializer().forEach(i -> inv.arg(visit(i))))).arg(visit(ft.getCondition())).arg($b.invoke("sequence").tap(inv -> ft.getUpdate().forEach(i -> inv.arg(visit(i))))).arg(visit(ft.getStatement()));
        }

        @Override
        public JExpression visitEnhancedForLoop(EnhancedForLoopTree et, Void __) {
            return $b.invoke("forInLoop").arg(loc(et)).arg(JExpr._null()).arg(erasure(et.getVariable()).dotclass()).arg(n(et.getVariable())).arg(visit(et.getExpression())).arg(visit(et.getStatement()));
        }

        @Override
        public JExpression visitArrayAccess(ArrayAccessTree at, Void __) {
            return $b.invoke("array").arg(loc(at)).arg(visit(at.getExpression())).arg(visit(at.getIndex()));
        }

        @Override
        public JExpression visitBreak(BreakTree node, Void __) {
            if (node.getLabel() != null)
                throw new UnsupportedOperationException();
            return $b.invoke("break_").arg(JExpr._null());
        }

        @Override
        public JExpression visitContinue(ContinueTree node, Void aVoid) {
            if (node.getLabel() != null)
                throw new UnsupportedOperationException();
            return $b.invoke("continue_").arg(JExpr._null());
        }

        @Override
        public JExpression visitInstanceOf(InstanceOfTree it, Void __) {
            return $b.invoke("instanceOf").arg(loc(it)).arg(visit(it.getExpression())).arg($b.invoke("constant").arg(t(it.getType()).dotclass()));
        }

        @Override
        public JExpression visitThrow(ThrowTree tt, Void __) {
            return $b.invoke("throw_").arg(loc(tt)).arg(visit(tt.getExpression()));
        }

        @Override
        public JExpression visitDoWhileLoop(DoWhileLoopTree dt, Void __) {
            return $b.invoke("doWhile").arg(JExpr._null()).arg(visit(dt.getStatement())).arg(visit(dt.getCondition()));
        }

        @Override
        public JExpression visitConditionalExpression(ConditionalExpressionTree ct, Void __) {
            return $b.invoke("ternaryOp").arg(visit(ct.getCondition())).arg(visit(ct.getTrueExpression())).arg(visit(ct.getFalseExpression()));
        }

        @Override
        public JExpression visitTry(TryTree tt, Void __) {
            return $b.invoke("tryCatch").arg(visit(tt.getBlock())).arg(visit(tt.getFinallyBlock())).tap(inv -> tt.getCatches().forEach(ct -> JExpr._new($CatchExpression).arg(t(ct.getParameter()).dotclass()).arg(n(ct.getParameter())).arg(visit(ct.getBlock()))));
        }

        @Override
        protected JExpression defaultAction(Tree node, Void aVoid) {
            throw new UnsupportedOperationException(node.toString());
        }
    }, null));
    JVar $f = m.body().decl($CpsFunction, "f", f);
    m.body()._throw(JExpr._new($CpsCallableInvocation).arg($f).arg(JExpr._null()).args(params));
}