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Example 21 with SymbolEnv

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

the class SymbolEnter method visit.

@Override
public void visit(BLangAction actionNode) {
    BInvokableSymbol actionSymbol = Symbols.createActionSymbol(Flags.asMask(actionNode.flagSet), names.fromIdNode(actionNode.name), env.enclPkg.symbol.pkgID, null, env.scope.owner);
    SymbolEnv invokableEnv = SymbolEnv.createResourceActionSymbolEnv(actionNode, actionSymbol.scope, env);
    defineInvokableSymbol(actionNode, actionSymbol, invokableEnv);
    actionNode.endpoints.forEach(ep -> defineNode(ep, invokableEnv));
    // TODO check below as it create a new symbol for the connector
    BVarSymbol varSymbol = new BVarSymbol(Flags.asMask(EnumSet.noneOf(Flag.class)), names.fromIdNode((BLangIdentifier) createIdentifier(Names.CONNECTOR.getValue())), env.enclPkg.symbol.pkgID, actionSymbol.owner.type, invokableEnv.scope.owner);
    actionSymbol.receiverSymbol = varSymbol;
    ((BInvokableType) actionSymbol.type).setReceiverType(varSymbol.type);
}
Also used : BInvokableSymbol(org.wso2.ballerinalang.compiler.semantics.model.symbols.BInvokableSymbol) SymbolEnv(org.wso2.ballerinalang.compiler.semantics.model.SymbolEnv) BLangIdentifier(org.wso2.ballerinalang.compiler.tree.BLangIdentifier) BInvokableType(org.wso2.ballerinalang.compiler.semantics.model.types.BInvokableType) BVarSymbol(org.wso2.ballerinalang.compiler.semantics.model.symbols.BVarSymbol)

Example 22 with SymbolEnv

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

the class SymbolEnter method defineAttachedFunctions.

private void defineAttachedFunctions(BLangFunction funcNode, BInvokableSymbol funcSymbol, SymbolEnv invokableEnv, boolean isValidAttachedFunc) {
    BInvokableType funcType = (BInvokableType) funcSymbol.type;
    BTypeSymbol typeSymbol = funcNode.receiver.type.tsymbol;
    // Check whether there exists a struct field with the same name as the function name.
    if (isValidAttachedFunc) {
        if (typeSymbol.tag == SymTag.STRUCT) {
            validateFunctionsAttachedToStructs(funcNode, funcSymbol, invokableEnv);
        } else if (typeSymbol.tag == SymTag.OBJECT) {
            validateFunctionsAttachedToObject(funcNode, funcSymbol, invokableEnv);
        }
    }
    defineNode(funcNode.receiver, invokableEnv);
    funcSymbol.receiverSymbol = funcNode.receiver.symbol;
    funcType.setReceiverType(funcNode.receiver.symbol.type);
}
Also used : BInvokableType(org.wso2.ballerinalang.compiler.semantics.model.types.BInvokableType) BTypeSymbol(org.wso2.ballerinalang.compiler.semantics.model.symbols.BTypeSymbol)

Example 23 with SymbolEnv

use of org.wso2.ballerinalang.compiler.semantics.model.SymbolEnv 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;
}
Also used : BAttachedFunction(org.wso2.ballerinalang.compiler.semantics.model.symbols.BStructSymbol.BAttachedFunction) BSymbol(org.wso2.ballerinalang.compiler.semantics.model.symbols.BSymbol) BInvokableType(org.wso2.ballerinalang.compiler.semantics.model.types.BInvokableType) BStructSymbol(org.wso2.ballerinalang.compiler.semantics.model.symbols.BStructSymbol)

Example 24 with SymbolEnv

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

the class SymbolResolver method addNamespacesInScope.

private void addNamespacesInScope(Map<Name, BXMLNSSymbol> namespaces, SymbolEnv env) {
    if (env == null) {
        return;
    }
    env.scope.entries.forEach((name, scopeEntry) -> {
        if (scopeEntry.symbol.kind == SymbolKind.XMLNS) {
            BXMLNSSymbol nsSymbol = (BXMLNSSymbol) scopeEntry.symbol;
            // Skip if the namespace is already added, by a child scope. That means it has been overridden.
            if (!namespaces.containsKey(name)) {
                namespaces.put(name, nsSymbol);
            }
        }
    });
    addNamespacesInScope(namespaces, env.enclEnv);
}
Also used : BXMLNSSymbol(org.wso2.ballerinalang.compiler.semantics.model.symbols.BXMLNSSymbol)

Example 25 with SymbolEnv

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

the class TaintAnalyzer method analyzeNode.

// Private
private <T extends BLangNode, U extends SymbolEnv> void analyzeNode(T t, U u) {
    SymbolEnv prevEnv = this.env;
    this.env = u;
    t.accept(this);
    this.env = prevEnv;
}
Also used : SymbolEnv(org.wso2.ballerinalang.compiler.semantics.model.SymbolEnv)

Aggregations

SymbolEnv (org.wso2.ballerinalang.compiler.semantics.model.SymbolEnv)125 BSymbol (org.wso2.ballerinalang.compiler.semantics.model.symbols.BSymbol)47 BLangEndpoint (org.wso2.ballerinalang.compiler.tree.BLangEndpoint)30 Name (org.wso2.ballerinalang.compiler.util.Name)26 BPackageSymbol (org.wso2.ballerinalang.compiler.semantics.model.symbols.BPackageSymbol)25 BLangVariable (org.wso2.ballerinalang.compiler.tree.BLangVariable)25 BLangBlockStmt (org.wso2.ballerinalang.compiler.tree.statements.BLangBlockStmt)24 DiagnosticPos (org.wso2.ballerinalang.compiler.util.diagnotic.DiagnosticPos)22 BType (org.wso2.ballerinalang.compiler.semantics.model.types.BType)20 BLangFunction (org.wso2.ballerinalang.compiler.tree.BLangFunction)20 BLangNode (org.wso2.ballerinalang.compiler.tree.BLangNode)20 BLangExpressionStmt (org.wso2.ballerinalang.compiler.tree.statements.BLangExpressionStmt)19 Scope (org.wso2.ballerinalang.compiler.semantics.model.Scope)18 BLangPackage (org.wso2.ballerinalang.compiler.tree.BLangPackage)18 BLangExpression (org.wso2.ballerinalang.compiler.tree.expressions.BLangExpression)18 TopLevelNode (org.ballerinalang.model.tree.TopLevelNode)17 BInvokableSymbol (org.wso2.ballerinalang.compiler.semantics.model.symbols.BInvokableSymbol)17 BLangAnnotation (org.wso2.ballerinalang.compiler.tree.BLangAnnotation)17 BLangConnector (org.wso2.ballerinalang.compiler.tree.BLangConnector)17 BLangAssignment (org.wso2.ballerinalang.compiler.tree.statements.BLangAssignment)17