Examples with PACKAGE org.wso2.ballerinalang.compiler.codegen.CodeGenerator.VariableIndex.Kind.PACKAGE used on opensource projects

Example 46 with PACKAGE

use of org.wso2.ballerinalang.compiler.codegen.CodeGenerator.VariableIndex.Kind.PACKAGE in project ballerina by ballerina-lang.

the class SymbolEnter method visit.

// Visitor methods
@Override
public void visit(BLangPackage pkgNode) {
    if (pkgNode.completedPhases.contains(CompilerPhase.DEFINE)) {
        return;
    }
    // Create PackageSymbol.
    BPackageSymbol pSymbol = createPackageSymbol(pkgNode);
    SymbolEnv builtinEnv = this.symTable.pkgEnvMap.get(symTable.builtInPackageSymbol);
    SymbolEnv pkgEnv = SymbolEnv.createPkgEnv(pkgNode, pSymbol.scope, builtinEnv);
    this.symTable.pkgEnvMap.put(pSymbol, pkgEnv);
    createPackageInitFunctions(pkgNode);
    // visit the package node recursively and define all package level symbols.
    // And maintain a list of created package symbols.
    pkgNode.imports.forEach(importNode -> defineNode(importNode, pkgEnv));
    // Define struct nodes.
    pkgNode.enums.forEach(enumNode -> defineNode(enumNode, pkgEnv));
    // Define struct nodes.
    pkgNode.structs.forEach(struct -> defineNode(struct, pkgEnv));
    // Define object nodes
    pkgNode.objects.forEach(object -> defineNode(object, pkgEnv));
    // Define connector nodes.
    pkgNode.connectors.forEach(con -> defineNode(con, pkgEnv));
    // Define connector params and type.
    defineConnectorParams(pkgNode.connectors, pkgEnv);
    // Define transformer nodes.
    pkgNode.transformers.forEach(tansformer -> defineNode(tansformer, pkgEnv));
    // Define service and resource nodes.
    pkgNode.services.forEach(service -> defineNode(service, pkgEnv));
    // Define struct field nodes.
    defineStructFields(pkgNode.structs, pkgEnv);
    // Define object field nodes.
    defineObjectFields(pkgNode.objects, pkgEnv);
    // Define connector action nodes.
    defineConnectorMembers(pkgNode.connectors, pkgEnv);
    // Define object functions
    defineObjectMembers(pkgNode.objects, pkgEnv);
    // Define function nodes.
    pkgNode.functions.forEach(func -> defineNode(func, pkgEnv));
    // Define transformer params
    defineTransformerMembers(pkgNode.transformers, pkgEnv);
    // Define service resource nodes.
    defineServiceMembers(pkgNode.services, pkgEnv);
    // Define annotation nodes.
    pkgNode.annotations.forEach(annot -> defineNode(annot, pkgEnv));
    resolveAnnotationAttributeTypes(pkgNode.annotations, pkgEnv);
    pkgNode.globalVars.forEach(var -> defineNode(var, pkgEnv));
    pkgNode.globalEndpoints.forEach(ep -> defineNode(ep, pkgEnv));
    definePackageInitFunctions(pkgNode, pkgEnv);
    pkgNode.completedPhases.add(CompilerPhase.DEFINE);
}

Example 47 with PACKAGE

use of org.wso2.ballerinalang.compiler.codegen.CodeGenerator.VariableIndex.Kind.PACKAGE in project ballerina by ballerina-lang.

the class SymbolEnter method visit.

@Override
public void visit(BLangXMLNS xmlnsNode) {
    String nsURI = (String) ((BLangLiteral) xmlnsNode.namespaceURI).value;
    if (xmlnsNode.prefix.value != null && nsURI.isEmpty()) {
        dlog.error(xmlnsNode.pos, DiagnosticCode.INVALID_NAMESPACE_DECLARATION, xmlnsNode.prefix);
    }
    // set the prefix of the default namespace
    if (xmlnsNode.prefix.value == null) {
        xmlnsNode.prefix.value = XMLConstants.DEFAULT_NS_PREFIX;
    }
    BXMLNSSymbol xmlnsSymbol = Symbols.createXMLNSSymbol(names.fromIdNode(xmlnsNode.prefix), nsURI, env.enclPkg.symbol.pkgID, env.scope.owner);
    xmlnsNode.symbol = xmlnsSymbol;
    // First check for package-imports with the same alias.
    // Here we do not check for owner equality, since package import is always at the package
    // level, but the namespace declaration can be at any level.
    BSymbol foundSym = symResolver.lookupSymbol(env, xmlnsSymbol.name, SymTag.PACKAGE);
    if (foundSym != symTable.notFoundSymbol) {
        dlog.error(xmlnsNode.pos, DiagnosticCode.REDECLARED_SYMBOL, xmlnsSymbol.name);
        return;
    }
    // Define it in the enclosing scope. Here we check for the owner equality,
    // to support overriding of namespace declarations defined at package level.
    defineSymbol(xmlnsNode.pos, xmlnsSymbol);
}

Example 48 with PACKAGE

use of org.wso2.ballerinalang.compiler.codegen.CodeGenerator.VariableIndex.Kind.PACKAGE in project ballerina by ballerina-lang.

the class SymbolResolver method visit.

public void visit(BLangUserDefinedType userDefinedTypeNode) {
    // 1) Resolve the package scope using the package alias.
    // If the package alias is not empty or null, then find the package scope,
    // if not use the current package scope.
    // 2) lookup the typename in the package scope returned from step 1.
    // 3) If the symbol is not found, then lookup in the root scope. e.g. for types such as 'error'
    BSymbol pkgSymbol = resolvePkgSymbol(userDefinedTypeNode.pos, this.env, names.fromIdNode(userDefinedTypeNode.pkgAlias));
    if (pkgSymbol == symTable.notFoundSymbol) {
        resultType = symTable.errType;
        return;
    }
    Name typeName = names.fromIdNode(userDefinedTypeNode.typeName);
    BSymbol symbol = symTable.notFoundSymbol;
    // Only valued types and ANNOTATION type allowed.
    if (env.scope.owner.tag == SymTag.ANNOTATION) {
        symbol = lookupMemberSymbol(userDefinedTypeNode.pos, pkgSymbol.scope, this.env, typeName, SymTag.ANNOTATION);
    }
    // 3) Lookup the current package scope.
    if (symbol == symTable.notFoundSymbol) {
        symbol = lookupMemberSymbol(userDefinedTypeNode.pos, pkgSymbol.scope, this.env, typeName, SymTag.VARIABLE_NAME);
    }
    if (symbol == symTable.notFoundSymbol) {
        // 4) Lookup the root scope for types such as 'error'
        symbol = lookupMemberSymbol(userDefinedTypeNode.pos, symTable.rootScope, this.env, typeName, SymTag.VARIABLE_NAME);
    }
    if (symbol == symTable.notFoundSymbol) {
        dlog.error(userDefinedTypeNode.pos, diagCode, typeName);
        resultType = symTable.errType;
        return;
    }
    if (symbol.kind == SymbolKind.CONNECTOR) {
        userDefinedTypeNode.flagSet = EnumSet.of(Flag.CONNECTOR);
    }
    resultType = symbol.type;
}

Example 49 with PACKAGE

use of org.wso2.ballerinalang.compiler.codegen.CodeGenerator.VariableIndex.Kind.PACKAGE in project ballerina by ballerina-lang.

the class Parser method generateCompilationUnit.

private CompilationUnitNode generateCompilationUnit(PackageSourceEntry sourceEntry) {
    try {
        int prevErrCount = dlog.errorCount;
        BDiagnosticSource diagnosticSrc = getDiagnosticSource(sourceEntry);
        String entryName = sourceEntry.getEntryName();
        BLangCompilationUnit compUnit = (BLangCompilationUnit) TreeBuilder.createCompilationUnit();
        compUnit.setName(sourceEntry.getEntryName());
        compUnit.pos = new DiagnosticPos(diagnosticSrc, 1, 1, 1, 1);
        ANTLRInputStream ais = new ANTLRInputStream(new ByteArrayInputStream(sourceEntry.getCode()));
        ais.name = entryName;
        BallerinaLexer lexer = new BallerinaLexer(ais);
        lexer.removeErrorListeners();
        lexer.addErrorListener(new BallerinaParserErrorListener(context, diagnosticSrc));
        CommonTokenStream tokenStream = new CommonTokenStream(lexer);
        BallerinaParser parser = new BallerinaParser(tokenStream);
        parser.setErrorHandler(getErrorStrategy(diagnosticSrc));
        parser.addParseListener(newListener(tokenStream, compUnit, diagnosticSrc));
        parser.compilationUnit();
        return compUnit;
    } catch (IOException e) {
        throw new RuntimeException("Error in populating package model: " + e.getMessage(), e);
    }
}

Example 50 with PACKAGE

use of org.wso2.ballerinalang.compiler.codegen.CodeGenerator.VariableIndex.Kind.PACKAGE 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);
}