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Example 56 with Function

use of org.wso2.carbon.apimgt.core.models.Function in project ballerina by ballerina-lang.

the class TypeChecker method checkFunctionInvocationExpr.

private void checkFunctionInvocationExpr(BLangInvocation iExpr, BStructType structType) {
    String funcName = iExpr.name.value;
    Name uniqueFuncName = names.fromString(Symbols.getAttachedFuncSymbolName(structType.tsymbol.name.value, funcName));
    BPackageSymbol packageSymbol = (BPackageSymbol) structType.tsymbol.owner;
    BSymbol funcSymbol = symResolver.lookupMemberSymbol(iExpr.pos, packageSymbol.scope, this.env, uniqueFuncName, SymTag.FUNCTION);
    if (funcSymbol == symTable.notFoundSymbol) {
        // Check functions defined within the struct.
        Name functionName = names.fromString(Symbols.getAttachedFuncSymbolName(iExpr.expr.symbol.type.tsymbol.name.value, iExpr.name.value));
        funcSymbol = symResolver.resolveStructField(iExpr.pos, env, functionName, iExpr.expr.symbol.type.tsymbol);
        if (funcSymbol == symTable.notFoundSymbol) {
            // Check, any function pointer in struct field with given name.
            funcSymbol = symResolver.resolveStructField(iExpr.pos, env, names.fromIdNode(iExpr.name), iExpr.expr.symbol.type.tsymbol);
            if (funcSymbol == symTable.notFoundSymbol || funcSymbol.type.tag != TypeTags.INVOKABLE) {
                dlog.error(iExpr.pos, DiagnosticCode.UNDEFINED_FUNCTION_IN_STRUCT, funcName, structType);
                resultTypes = getListWithErrorTypes(expTypes.size());
                return;
            }
            if ((funcSymbol.flags & Flags.ATTACHED) != Flags.ATTACHED) {
                iExpr.functionPointerInvocation = true;
            }
        }
    } else {
        // Attached function found
        // Check for the explicit initializer function invocation
        BStructSymbol.BAttachedFunction initializerFunc = ((BStructSymbol) structType.tsymbol).initializerFunc;
        if (initializerFunc != null && initializerFunc.funcName.value.equals(funcName)) {
            dlog.error(iExpr.pos, DiagnosticCode.STRUCT_INITIALIZER_INVOKED, structType.tsymbol.toString());
        }
    }
    iExpr.symbol = funcSymbol;
    checkInvocationParamAndReturnType(iExpr);
}
Also used : BPackageSymbol(org.wso2.ballerinalang.compiler.semantics.model.symbols.BPackageSymbol) BSymbol(org.wso2.ballerinalang.compiler.semantics.model.symbols.BSymbol) BLangXMLQuotedString(org.wso2.ballerinalang.compiler.tree.expressions.BLangXMLQuotedString) BStructSymbol(org.wso2.ballerinalang.compiler.semantics.model.symbols.BStructSymbol) BLangXMLQName(org.wso2.ballerinalang.compiler.tree.expressions.BLangXMLQName) Name(org.wso2.ballerinalang.compiler.util.Name)

Example 57 with Function

use of org.wso2.carbon.apimgt.core.models.Function in project ballerina by ballerina-lang.

the class Types method checkEquivalencyOfPublicStructs.

private boolean checkEquivalencyOfPublicStructs(BStructType lhsType, BStructType rhsType) {
    int fieldCounter = 0;
    for (; fieldCounter < lhsType.fields.size(); fieldCounter++) {
        BStructField lhsField = lhsType.fields.get(fieldCounter);
        BStructField rhsField = rhsType.fields.get(fieldCounter);
        if (Symbols.isPrivate(lhsField.symbol) || Symbols.isPrivate(rhsField.symbol)) {
            return false;
        }
        if (lhsField.name.equals(rhsField.name) && isSameType(rhsField.type, lhsField.type)) {
            continue;
        }
        return false;
    }
    // Check the rest of the fields in RHS type
    for (; fieldCounter < rhsType.fields.size(); fieldCounter++) {
        if (Symbols.isPrivate(rhsType.fields.get(fieldCounter).symbol)) {
            return false;
        }
    }
    BStructSymbol lhsStructSymbol = (BStructSymbol) lhsType.tsymbol;
    List<BAttachedFunction> lhsFuncs = lhsStructSymbol.attachedFuncs;
    List<BAttachedFunction> rhsFuncs = ((BStructSymbol) rhsType.tsymbol).attachedFuncs;
    int lhsAttachedFuncCount = lhsStructSymbol.initializerFunc != null ? lhsFuncs.size() - 1 : lhsFuncs.size();
    if (lhsAttachedFuncCount > rhsFuncs.size()) {
        return false;
    }
    for (BAttachedFunction lhsFunc : lhsFuncs) {
        if (lhsFunc == lhsStructSymbol.initializerFunc || lhsFunc == lhsStructSymbol.defaultsValuesInitFunc) {
            continue;
        }
        if (Symbols.isPrivate(lhsFunc.symbol)) {
            return false;
        }
        BAttachedFunction rhsFunc = getMatchingInvokableType(rhsFuncs, lhsFunc);
        if (rhsFunc == null || Symbols.isPrivate(rhsFunc.symbol)) {
            return false;
        }
    }
    // Check for private attached function of the RHS type
    for (BAttachedFunction rhsFunc : rhsFuncs) {
        if (Symbols.isPrivate(rhsFunc.symbol)) {
            return false;
        }
    }
    return true;
}
Also used : BStructField(org.wso2.ballerinalang.compiler.semantics.model.types.BStructType.BStructField) BAttachedFunction(org.wso2.ballerinalang.compiler.semantics.model.symbols.BStructSymbol.BAttachedFunction) BStructSymbol(org.wso2.ballerinalang.compiler.semantics.model.symbols.BStructSymbol)

Example 58 with Function

use of org.wso2.carbon.apimgt.core.models.Function in project ballerina by ballerina-lang.

the class CodeGenerator method createServiceInfoEntry.

private void createServiceInfoEntry(BLangService serviceNode) {
    // Add service name as an UTFCPEntry to the constant pool
    int serviceNameCPIndex = addUTF8CPEntry(currentPkgInfo, serviceNode.name.value);
    // Create service info
    if (serviceNode.endpointType != null) {
        String endPointQName = serviceNode.endpointType.tsymbol.toString();
        // TODO: bvmAlias needed?
        int epNameCPIndex = addUTF8CPEntry(currentPkgInfo, endPointQName);
        ServiceInfo serviceInfo = new ServiceInfo(currentPackageRefCPIndex, serviceNameCPIndex, serviceNode.symbol.flags, epNameCPIndex);
        // Add service level variables
        int localVarAttNameIndex = addUTF8CPEntry(currentPkgInfo, AttributeInfo.Kind.LOCAL_VARIABLES_ATTRIBUTE.value());
        LocalVariableAttributeInfo localVarAttributeInfo = new LocalVariableAttributeInfo(localVarAttNameIndex);
        serviceNode.vars.forEach(var -> visitVarSymbol(var.var.symbol, pvIndexes, localVarAttributeInfo));
        serviceInfo.addAttributeInfo(AttributeInfo.Kind.LOCAL_VARIABLES_ATTRIBUTE, localVarAttributeInfo);
        // Create the init function info
        BLangFunction serviceInitFunction = (BLangFunction) serviceNode.getInitFunction();
        createFunctionInfoEntry(serviceInitFunction);
        serviceInfo.initFuncInfo = currentPkgInfo.functionInfoMap.get(serviceInitFunction.name.toString());
        currentPkgInfo.addServiceInfo(serviceNode.name.value, serviceInfo);
        // Create resource info entries for all resources
        serviceNode.resources.forEach(res -> createResourceInfoEntry(res, serviceInfo));
    }
}
Also used : ServiceInfo(org.wso2.ballerinalang.programfile.ServiceInfo) LocalVariableAttributeInfo(org.wso2.ballerinalang.programfile.attributes.LocalVariableAttributeInfo) BLangFunction(org.wso2.ballerinalang.compiler.tree.BLangFunction) BLangXMLQuotedString(org.wso2.ballerinalang.compiler.tree.expressions.BLangXMLQuotedString) BLangEndpoint(org.wso2.ballerinalang.compiler.tree.BLangEndpoint)

Example 59 with Function

use of org.wso2.carbon.apimgt.core.models.Function in project ballerina by ballerina-lang.

the class CodeGenerator method visit.

public void visit(BLangPackage pkgNode) {
    if (pkgNode.completedPhases.contains(CompilerPhase.CODE_GEN)) {
        if (!buildCompiledPackage) {
            programFile.packageInfoMap.put(pkgNode.symbol.pkgID.bvmAlias(), pkgNode.symbol.packageInfo);
        }
        return;
    }
    // TODO Improve this design without if/else
    PackageInfo packageInfo = new PackageInfo();
    pkgNode.symbol.packageInfo = packageInfo;
    if (buildCompiledPackage) {
        // Generating the BALO
        pkgNode.imports.forEach(impPkgNode -> {
            int impPkgNameCPIndex = addUTF8CPEntry(packageInfo, impPkgNode.symbol.name.value);
            // TODO Improve the import package version once it is available
            int impPkgVersionCPIndex = addUTF8CPEntry(packageInfo, PackageID.DEFAULT.version.value);
            ImportPackageInfo importPkgInfo = new ImportPackageInfo(impPkgNameCPIndex, impPkgVersionCPIndex);
            packageInfo.importPkgInfoSet.add(importPkgInfo);
            packageFile.packageInfo = packageInfo;
        });
    } else {
        // Generating a BALX
        // first visit all the imports
        pkgNode.imports.forEach(impPkgNode -> genNode(impPkgNode, this.env));
        // TODO We need to create identifier for both name and the version
        programFile.packageInfoMap.put(pkgNode.symbol.pkgID.bvmAlias(), packageInfo);
    }
    // Add the current package to the program file
    BPackageSymbol pkgSymbol = pkgNode.symbol;
    currentPkgID = pkgSymbol.pkgID;
    currentPkgInfo = packageInfo;
    currentPkgInfo.nameCPIndex = addUTF8CPEntry(currentPkgInfo, currentPkgID.bvmAlias());
    currentPkgInfo.versionCPIndex = addUTF8CPEntry(currentPkgInfo, currentPkgID.version.value);
    // Insert the package reference to the constant pool of the current package
    currentPackageRefCPIndex = addPackageRefCPEntry(currentPkgInfo, currentPkgID);
    // This attribute keep track of line numbers
    int lineNoAttrNameIndex = addUTF8CPEntry(currentPkgInfo, AttributeInfo.Kind.LINE_NUMBER_TABLE_ATTRIBUTE.value());
    lineNoAttrInfo = new LineNumberTableAttributeInfo(lineNoAttrNameIndex);
    // This attribute keep package-level variable information
    int pkgVarAttrNameIndex = addUTF8CPEntry(currentPkgInfo, AttributeInfo.Kind.LOCAL_VARIABLES_ATTRIBUTE.value());
    currentPkgInfo.addAttributeInfo(AttributeInfo.Kind.LOCAL_VARIABLES_ATTRIBUTE, new LocalVariableAttributeInfo(pkgVarAttrNameIndex));
    pkgNode.globalVars.forEach(this::createPackageVarInfo);
    pkgNode.structs.forEach(this::createStructInfoEntry);
    pkgNode.enums.forEach(this::createEnumInfoEntry);
    pkgNode.connectors.forEach(this::createConnectorInfoEntry);
    pkgNode.functions.forEach(this::createFunctionInfoEntry);
    pkgNode.services.forEach(this::createServiceInfoEntry);
    pkgNode.functions.forEach(this::createFunctionInfoEntry);
    pkgNode.transformers.forEach(this::createTransformerInfoEntry);
    // Visit package builtin function
    visitBuiltinFunctions(pkgNode.initFunction);
    visitBuiltinFunctions(pkgNode.startFunction);
    visitBuiltinFunctions(pkgNode.stopFunction);
    pkgNode.topLevelNodes.stream().filter(pkgLevelNode -> pkgLevelNode.getKind() != NodeKind.VARIABLE && pkgLevelNode.getKind() != NodeKind.XMLNS).forEach(pkgLevelNode -> genNode((BLangNode) pkgLevelNode, this.env));
    currentPkgInfo.addAttributeInfo(AttributeInfo.Kind.LINE_NUMBER_TABLE_ATTRIBUTE, lineNoAttrInfo);
    currentPackageRefCPIndex = -1;
    currentPkgID = null;
    pkgNode.completedPhases.add(CompilerPhase.CODE_GEN);
}
Also used : BLangMapLiteral(org.wso2.ballerinalang.compiler.tree.expressions.BLangRecordLiteral.BLangMapLiteral) BLangReturn(org.wso2.ballerinalang.compiler.tree.statements.BLangReturn) REF_OFFSET(org.wso2.ballerinalang.programfile.ProgramFileConstants.REF_OFFSET) UTF8CPEntry(org.wso2.ballerinalang.programfile.cpentries.UTF8CPEntry) FloatCPEntry(org.wso2.ballerinalang.programfile.cpentries.FloatCPEntry) BLangIdentifier(org.wso2.ballerinalang.compiler.tree.BLangIdentifier) BLangXMLTextLiteral(org.wso2.ballerinalang.compiler.tree.expressions.BLangXMLTextLiteral) Map(java.util.Map) RegIndex(org.wso2.ballerinalang.programfile.Instruction.RegIndex) SymbolKind(org.ballerinalang.model.symbols.SymbolKind) BLangWhile(org.wso2.ballerinalang.compiler.tree.statements.BLangWhile) PackageVarInfo(org.wso2.ballerinalang.programfile.PackageVarInfo) BEnumType(org.wso2.ballerinalang.compiler.semantics.model.types.BEnumType) LocalVariableInfo(org.wso2.ballerinalang.programfile.LocalVariableInfo) 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BLangEndpoint(org.wso2.ballerinalang.compiler.tree.BLangEndpoint) FunctionRefCPEntry(org.wso2.ballerinalang.programfile.cpentries.FunctionRefCPEntry) LOCAL(org.wso2.ballerinalang.compiler.codegen.CodeGenerator.VariableIndex.Kind.LOCAL) BLangAction(org.wso2.ballerinalang.compiler.tree.BLangAction) BLangExpressionStmt(org.wso2.ballerinalang.compiler.tree.statements.BLangExpressionStmt) BFunctionPointerInvocation(org.wso2.ballerinalang.compiler.tree.expressions.BLangInvocation.BFunctionPointerInvocation) BLangTypeofExpr(org.wso2.ballerinalang.compiler.tree.expressions.BLangTypeofExpr) Operand(org.wso2.ballerinalang.programfile.Instruction.Operand) CallableUnitInfo(org.wso2.ballerinalang.programfile.CallableUnitInfo) BLangVariableDef(org.wso2.ballerinalang.compiler.tree.statements.BLangVariableDef) BLangLocalVarRef(org.wso2.ballerinalang.compiler.tree.expressions.BLangSimpleVarRef.BLangLocalVarRef) PackageRefCPEntry(org.wso2.ballerinalang.programfile.cpentries.PackageRefCPEntry) BLangStringTemplateLiteral(org.wso2.ballerinalang.compiler.tree.expressions.BLangStringTemplateLiteral) BInvokableSymbol(org.wso2.ballerinalang.compiler.semantics.model.symbols.BInvokableSymbol) BLangIntRangeExpression(org.wso2.ballerinalang.compiler.tree.expressions.BLangIntRangeExpression) FunctionInfo(org.wso2.ballerinalang.programfile.FunctionInfo) XMLConstants(javax.xml.XMLConstants) BLangMapAccessExpr(org.wso2.ballerinalang.compiler.tree.expressions.BLangIndexBasedAccess.BLangMapAccessExpr) VarTypeCountAttributeInfo(org.wso2.ballerinalang.programfile.attributes.VarTypeCountAttributeInfo) BLangNext(org.wso2.ballerinalang.compiler.tree.statements.BLangNext) Symbols(org.wso2.ballerinalang.compiler.semantics.model.symbols.Symbols) BLangAwaitExpr(org.wso2.ballerinalang.compiler.tree.expressions.BLangAwaitExpr) BLangXMLElementLiteral(org.wso2.ballerinalang.compiler.tree.expressions.BLangXMLElementLiteral) BLangWorkerSend(org.wso2.ballerinalang.compiler.tree.statements.BLangWorkerSend) BLangInvocation(org.wso2.ballerinalang.compiler.tree.expressions.BLangInvocation) BLangConnector(org.wso2.ballerinalang.compiler.tree.BLangConnector) BLangBlockStmt(org.wso2.ballerinalang.compiler.tree.statements.BLangBlockStmt) TypeRefCPEntry(org.wso2.ballerinalang.programfile.cpentries.TypeRefCPEntry) ImportPackageInfo(org.wso2.ballerinalang.programfile.ImportPackageInfo) BPackageSymbol(org.wso2.ballerinalang.compiler.semantics.model.symbols.BPackageSymbol) LineNumberTableAttributeInfo(org.wso2.ballerinalang.programfile.attributes.LineNumberTableAttributeInfo) BLangNode(org.wso2.ballerinalang.compiler.tree.BLangNode) LocalVariableAttributeInfo(org.wso2.ballerinalang.programfile.attributes.LocalVariableAttributeInfo) ImportPackageInfo(org.wso2.ballerinalang.programfile.ImportPackageInfo) PackageInfo(org.wso2.ballerinalang.programfile.PackageInfo) BLangEndpoint(org.wso2.ballerinalang.compiler.tree.BLangEndpoint)

Example 60 with Function

use of org.wso2.carbon.apimgt.core.models.Function in project ballerina by ballerina-lang.

the class CodeGenerator method createFunctionInfoEntry.

/**
 * Creates a {@code FunctionInfo} from the given function node in AST.
 *
 * @param funcNode function node in AST
 */
private void createFunctionInfoEntry(BLangFunction funcNode) {
    BInvokableSymbol funcSymbol = funcNode.symbol;
    BInvokableType funcType = (BInvokableType) funcSymbol.type;
    // Add function name as an UTFCPEntry to the constant pool
    int funcNameCPIndex = this.addUTF8CPEntry(currentPkgInfo, funcNode.name.value);
    FunctionInfo funcInfo = new FunctionInfo(currentPackageRefCPIndex, funcNameCPIndex);
    funcInfo.paramTypes = funcType.paramTypes.toArray(new BType[0]);
    funcInfo.retParamTypes = funcType.retTypes.toArray(new BType[0]);
    funcInfo.signatureCPIndex = addUTF8CPEntry(this.currentPkgInfo, generateFunctionSig(funcInfo.paramTypes, funcInfo.retParamTypes));
    funcInfo.flags = funcSymbol.flags;
    if (funcNode.receiver != null) {
        funcInfo.attachedToTypeCPIndex = getTypeCPIndex(funcNode.receiver.type).value;
    }
    this.addWorkerInfoEntries(funcInfo, funcNode.getWorkers());
    // Add parameter default value info
    addParameterDefaultValues(funcNode, funcInfo);
    this.currentPkgInfo.functionInfoMap.put(funcSymbol.name.value, funcInfo);
}
Also used : BType(org.wso2.ballerinalang.compiler.semantics.model.types.BType) BInvokableSymbol(org.wso2.ballerinalang.compiler.semantics.model.symbols.BInvokableSymbol) AttachedFunctionInfo(org.wso2.ballerinalang.programfile.AttachedFunctionInfo) FunctionInfo(org.wso2.ballerinalang.programfile.FunctionInfo) BInvokableType(org.wso2.ballerinalang.compiler.semantics.model.types.BInvokableType) BLangEndpoint(org.wso2.ballerinalang.compiler.tree.BLangEndpoint)

Aggregations

Test (org.testng.annotations.Test)94 HTTPCarbonMessage (org.wso2.transport.http.netty.message.HTTPCarbonMessage)49 HTTPTestRequest (org.ballerinalang.test.services.testutils.HTTPTestRequest)44 HttpMessageDataStreamer (org.wso2.transport.http.netty.message.HttpMessageDataStreamer)39 ArrayList (java.util.ArrayList)37 BLangFunction (org.wso2.ballerinalang.compiler.tree.BLangFunction)35 BString (org.ballerinalang.model.values.BString)30 BLangPackage (org.wso2.ballerinalang.compiler.tree.BLangPackage)29 BLangEndpoint (org.wso2.ballerinalang.compiler.tree.BLangEndpoint)26 BLangVariable (org.wso2.ballerinalang.compiler.tree.BLangVariable)25 BInvokableSymbol (org.wso2.ballerinalang.compiler.semantics.model.symbols.BInvokableSymbol)20 BSymbol (org.wso2.ballerinalang.compiler.semantics.model.symbols.BSymbol)20 BJSON (org.ballerinalang.model.values.BJSON)19 BLangExpression (org.wso2.ballerinalang.compiler.tree.expressions.BLangExpression)19 List (java.util.List)18 BType (org.wso2.ballerinalang.compiler.semantics.model.types.BType)18 BLangStruct (org.wso2.ballerinalang.compiler.tree.BLangStruct)16 BStructSymbol (org.wso2.ballerinalang.compiler.semantics.model.symbols.BStructSymbol)15 BPackageSymbol (org.wso2.ballerinalang.compiler.semantics.model.symbols.BPackageSymbol)14 BLangSimpleVarRef (org.wso2.ballerinalang.compiler.tree.expressions.BLangSimpleVarRef)14