Examples with BLangExpressionStmt org.wso2.ballerinalang.compiler.tree.statements.BLangExpressionStmt used on opensource projects

Example 6 with BLangExpressionStmt

use of org.wso2.ballerinalang.compiler.tree.statements.BLangExpressionStmt in project ballerina by ballerina-lang.

the class IterableCodeDesugar method generateTableAggregator.

private void generateTableAggregator(BLangBlockStmt blockStmt, IterableContext ctx) {
    final DiagnosticPos pos = blockStmt.pos;
    List<BLangVariable> variables = new ArrayList<>(1);
    variables.add(ctx.resultVar);
    variables.add(ctx.iteratorResultVariables.get(0));
    BInvokableSymbol addSymbol = (BInvokableSymbol) symTable.rootScope.lookup(names.fromString(TABLE_ADD_FUNCTION)).symbol;
    BLangInvocation addFunctionInvocation = ASTBuilderUtil.createInvocationExpr(pos, addSymbol, variables, symResolver);
    BLangExpressionStmt expressionStmt = ASTBuilderUtil.createExpressionStmt(pos, blockStmt);
    expressionStmt.expr = addFunctionInvocation;
}

Example 7 with BLangExpressionStmt

use of org.wso2.ballerinalang.compiler.tree.statements.BLangExpressionStmt in project ballerina by ballerina-lang.

the class BLangPackageBuilder method addExpressionStmt.

public void addExpressionStmt(DiagnosticPos pos, Set<Whitespace> ws) {
    BLangExpressionStmt exprStmt = (BLangExpressionStmt) TreeBuilder.createExpressionStatementNode();
    exprStmt.pos = pos;
    exprStmt.addWS(ws);
    exprStmt.expr = (BLangExpression) exprNodeStack.pop();
    addStmtToCurrentBlock(exprStmt);
}

Example 8 with BLangExpressionStmt

use of org.wso2.ballerinalang.compiler.tree.statements.BLangExpressionStmt in project ballerina by ballerina-lang.

the class SemanticAnalyzer method visit.

public void visit(BLangExpressionStmt exprStmtNode) {
    // Creates a new environment here.
    SymbolEnv stmtEnv = new SymbolEnv(exprStmtNode, this.env.scope);
    this.env.copyTo(stmtEnv);
    List<BType> bTypes = typeChecker.checkExpr(exprStmtNode.expr, stmtEnv, new ArrayList<>());
    if (bTypes.size() > 0 && !(bTypes.size() == 1 && bTypes.get(0) == symTable.errType)) {
        dlog.error(exprStmtNode.pos, DiagnosticCode.ASSIGNMENT_REQUIRED);
    }
}

Example 9 with BLangExpressionStmt

use of org.wso2.ballerinalang.compiler.tree.statements.BLangExpressionStmt in project ballerina by ballerina-lang.

the class ASTBuilderUtil method createExpressionStmt.

static BLangExpressionStmt createExpressionStmt(DiagnosticPos pos, BLangBlockStmt target) {
    final BLangExpressionStmt exprStmt = (BLangExpressionStmt) TreeBuilder.createExpressionStatementNode();
    exprStmt.pos = pos;
    target.addStatement(exprStmt);
    return exprStmt;
}

Example 10 with BLangExpressionStmt

use of org.wso2.ballerinalang.compiler.tree.statements.BLangExpressionStmt in project ballerina by ballerina-lang.

the class EndpointDesugar method generateServiceRegistered.

private BLangBlockStmt generateServiceRegistered(BEndpointVarSymbol endpoint, BLangService service, SymbolEnv env, BSymbol encSymbol, BSymbol varEncSymbol) {
    final DiagnosticPos pos = service.pos;
    final String epName = endpoint.name.value;
    BLangBlockStmt temp = new BLangBlockStmt();
    final BLangVariable epVariable = ASTBuilderUtil.createVariable(pos, epName, endpoint.type);
    final Name name = endpoint.name;
    epVariable.symbol = (BVarSymbol) symResolver.lookupMemberSymbol(pos, encSymbol.scope, env, name, SymTag.VARIABLE);
    final BLangVariableDef serviceTypeDef = ASTBuilderUtil.createVariableDefStmt(pos, temp);
    serviceTypeDef.var = ASTBuilderUtil.createVariable(pos, service.name + "type", symTable.typeDesc);
    ASTBuilderUtil.defineVariable(serviceTypeDef.var, varEncSymbol, names);
    final BLangUnaryExpr typeOfExpr = ASTBuilderUtil.createUnaryExpr(pos);
    serviceTypeDef.var.expr = typeOfExpr;
    typeOfExpr.operator = OperatorKind.TYPEOF;
    typeOfExpr.expr = getTypeAccessExpression(pos, service.symbol.type);
    typeOfExpr.type = symTable.typeDesc;
    List<BLangVariable> args = Lists.of(serviceTypeDef.var);
    if (endpoint.registerFunction != null && endpoint.registerFunction.params.size() == 2) {
        // Endpoint is already desugared. Fix this correctly.
        args.add(0, epVariable);
    }
    final BLangExpressionStmt expressionStmt = ASTBuilderUtil.createExpressionStmt(pos, temp);
    final BLangInvocation iExpr = ASTBuilderUtil.createInvocationExpr(pos, endpoint.registerFunction, args, symResolver);
    if (endpoint.registerFunction != null && endpoint.registerFunction.params.size() != 2) {
        iExpr.expr = ASTBuilderUtil.createVariableRef(epVariable.pos, epVariable.symbol);
    }
    expressionStmt.expr = iExpr;
    return temp;
}