Examples with BSymbol org.wso2.ballerinalang.compiler.semantics.model.symbols.BSymbol used on opensource projects

Example 6 with BSymbol

use of org.wso2.ballerinalang.compiler.semantics.model.symbols.BSymbol in project ballerina by ballerina-lang.

the class SignatureTreeVisitor method visit.

@Override
public void visit(BLangAction actionNode) {
    BSymbol actionSymbol = actionNode.symbol;
    SymbolEnv actionEnv = SymbolEnv.createResourceActionSymbolEnv(actionNode, actionSymbol.scope, symbolEnv);
    actionNode.workers.forEach(w -> this.acceptNode(w, actionEnv));
    this.blockOwnerStack.push(actionNode);
    acceptNode(actionNode.body, actionEnv);
    this.blockOwnerStack.pop();
}

Example 7 with BSymbol

use of org.wso2.ballerinalang.compiler.semantics.model.symbols.BSymbol in project ballerina by ballerina-lang.

the class SymbolEnter method visit.

@Override
public void visit(BLangTransformer transformerNode) {
    validateTransformerMappingTypes(transformerNode);
    boolean safeConversion = transformerNode.retParams.size() == 1;
    Name name = getTransformerSymbolName(transformerNode);
    BTransformerSymbol transformerSymbol = Symbols.createTransformerSymbol(Flags.asMask(transformerNode.flagSet), name, env.enclPkg.symbol.pkgID, null, safeConversion, env.scope.owner);
    transformerNode.symbol = transformerSymbol;
    // If this is a default transformer, check whether this transformer conflicts with a built-in conversion
    if (transformerNode.name.value.isEmpty()) {
        BType targetType = transformerNode.retParams.get(0).type;
        BSymbol symbol = symResolver.resolveConversionOperator(transformerNode.source.type, targetType);
        if (symbol != symTable.notFoundSymbol) {
            dlog.error(transformerNode.pos, DiagnosticCode.TRANSFORMER_CONFLICTS_WITH_CONVERSION, transformerNode.source.type, targetType);
            return;
        }
    }
    // Define the transformer
    SymbolEnv transformerEnv = SymbolEnv.createTransformerEnv(transformerNode, transformerSymbol.scope, env);
    transformerNode.symbol = transformerSymbol;
    defineSymbol(transformerNode.pos, transformerSymbol);
    transformerEnv.scope = transformerSymbol.scope;
    // Define transformer source.
    defineNode(transformerNode.source, transformerEnv);
}

Example 8 with BSymbol

use of org.wso2.ballerinalang.compiler.semantics.model.symbols.BSymbol in project ballerina by ballerina-lang.

the class SymbolEnter method validateFunctionsAttachedToStructs.

private void validateFunctionsAttachedToStructs(BLangFunction funcNode, BInvokableSymbol funcSymbol, SymbolEnv invokableEnv) {
    BInvokableType funcType = (BInvokableType) funcSymbol.type;
    BStructSymbol structSymbol = (BStructSymbol) funcNode.receiver.type.tsymbol;
    BSymbol symbol = symResolver.lookupMemberSymbol(funcNode.receiver.pos, structSymbol.scope, invokableEnv, names.fromIdNode(funcNode.name), SymTag.VARIABLE);
    if (symbol != symTable.notFoundSymbol) {
        dlog.error(funcNode.pos, DiagnosticCode.STRUCT_FIELD_AND_FUNC_WITH_SAME_NAME, funcNode.name.value, funcNode.receiver.type.toString());
        return;
    }
    BStructType structType = (BStructType) funcNode.receiver.type;
    BAttachedFunction attachedFunc = new BAttachedFunction(names.fromIdNode(funcNode.name), funcSymbol, funcType);
    structSymbol.attachedFuncs.add(attachedFunc);
    if (funcNode.name.value.equals(structType.tsymbol.name.value + Names.INIT_FUNCTION_SUFFIX.value)) {
        structSymbol.defaultsValuesInitFunc = attachedFunc;
        return;
    }
    // Check whether this attached function is a struct initializer.
    if (!structType.tsymbol.name.value.equals(funcNode.name.value)) {
        // Not a struct initializer.
        return;
    }
    if (!funcNode.requiredParams.isEmpty() || !funcNode.retParams.isEmpty()) {
        dlog.error(funcNode.pos, DiagnosticCode.INVALID_STRUCT_INITIALIZER_FUNCTION, funcNode.name.value, funcNode.receiver.type.toString());
    }
    structSymbol.initializerFunc = attachedFunc;
}

Example 9 with BSymbol

use of org.wso2.ballerinalang.compiler.semantics.model.symbols.BSymbol 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 10 with BSymbol

use of org.wso2.ballerinalang.compiler.semantics.model.symbols.BSymbol in project ballerina by ballerina-lang.

the class SymbolEnter method validateFunctionsAttachedToObject.

private void validateFunctionsAttachedToObject(BLangFunction funcNode, BInvokableSymbol funcSymbol, SymbolEnv invokableEnv) {
    BInvokableType funcType = (BInvokableType) funcSymbol.type;
    BStructSymbol objectSymbol = (BStructSymbol) funcNode.receiver.type.tsymbol;
    BSymbol symbol = symResolver.lookupMemberSymbol(funcNode.receiver.pos, objectSymbol.scope, invokableEnv, names.fromIdNode(funcNode.name), SymTag.VARIABLE);
    if (symbol != symTable.notFoundSymbol) {
        dlog.error(funcNode.pos, DiagnosticCode.STRUCT_FIELD_AND_FUNC_WITH_SAME_NAME, funcNode.name.value, funcNode.receiver.type.toString());
        return;
    }
    BAttachedFunction attachedFunc = new BAttachedFunction(names.fromIdNode(funcNode.name), funcSymbol, funcType);
    objectSymbol.attachedFuncs.add(attachedFunc);
    // Check whether this attached function is a object initializer.
    if (!Names.OBJECT_INIT_SUFFIX.value.equals(funcNode.name.value)) {
        // Not a object initializer.
        return;
    }
    if (!funcNode.retParams.isEmpty()) {
        // TODO change message
        dlog.error(funcNode.pos, DiagnosticCode.INVALID_STRUCT_INITIALIZER_FUNCTION, funcNode.name.value, funcNode.receiver.type.toString());
    }
    objectSymbol.initializerFunc = attachedFunc;
}