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

Example 21 with BVarSymbol

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

the class EndpointDesugar method defineGlobalEndpoint.

void defineGlobalEndpoint(BLangEndpoint ep, SymbolEnv env) {
    final BLangVariable epVariable = ASTBuilderUtil.createVariable(ep.pos, ep.name.value, ep.symbol.type);
    epVariable.symbol = (BVarSymbol) symResolver.lookupMemberSymbol(ep.pos, env.enclPkg.symbol.scope, env, names.fromIdNode(ep.name), SymTag.VARIABLE);
    env.enclPkg.globalVars.add(epVariable);
}

Example 22 with BVarSymbol

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

the class EndpointDesugar method generateEndpointInit.

private BLangBlockStmt generateEndpointInit(BLangEndpoint endpoint, SymbolEnv env, BSymbol encSymbol) {
    final String epName = endpoint.name.value;
    final DiagnosticPos pos = endpoint.pos;
    BLangBlockStmt temp = new BLangBlockStmt();
    final BLangVariable epVariable = ASTBuilderUtil.createVariable(pos, epName, endpoint.symbol.type);
    epVariable.symbol = (BVarSymbol) symResolver.lookupMemberSymbol(pos, encSymbol.scope, env, names.fromString(epName), SymTag.VARIABLE);
    final BLangExpression newExpr;
    if (endpoint.configurationExpr != null && endpoint.configurationExpr.getKind() != NodeKind.RECORD_LITERAL_EXPR) {
        // Handle Endpoint Assignment.
        newExpr = endpoint.configurationExpr;
    } else if (endpoint.configurationExpr != null && endpoint.configurationExpr.getKind() == NodeKind.RECORD_LITERAL_EXPR) {
        // Handle Endpoint initialization.
        newExpr = ASTBuilderUtil.createEmptyRecordLiteral(pos, endpoint.symbol.type);
    } else {
        newExpr = null;
    }
    // EPType ep_name = {};
    if (env.enclInvokable != null) {
        // In callable unit, endpoint is same scope variable.
        final BLangVariableDef epNewStmt = ASTBuilderUtil.createVariableDefStmt(pos, temp);
        epNewStmt.var = epVariable;
        epNewStmt.var.expr = newExpr;
    } else {
        // This is an init function. ep variable is defined in outside.
        if (env.enclService != null) {
            // Add to endpoint variable to relevant location
            final BLangVariableDef epVarDef = ASTBuilderUtil.createVariableDef(pos);
            epVarDef.var = epVariable;
            env.enclService.vars.add(epVarDef);
        }
        final BLangAssignment assignmentStmt = ASTBuilderUtil.createAssignmentStmt(pos, temp);
        assignmentStmt.varRefs.add(ASTBuilderUtil.createVariableRef(pos, epVariable.symbol));
        assignmentStmt.expr = newExpr;
    }
    return temp;
}

Example 23 with BVarSymbol

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

the class EndpointDesugar method generateEndpointStartOrStop.

private BLangBlockStmt generateEndpointStartOrStop(BLangEndpoint endpoint, BInvokableSymbol funSymbol, SymbolEnv env, BSymbol encSymbol) {
    BLangBlockStmt temp = new BLangBlockStmt();
    if (funSymbol == null || endpoint.configurationExpr == null || endpoint.configurationExpr.getKind() != NodeKind.RECORD_LITERAL_EXPR) {
        // 2: If endpoint in initialized
        return temp;
    }
    final DiagnosticPos pos = endpoint.pos;
    final String epName = endpoint.name.value;
    final BLangVariable epVariable = ASTBuilderUtil.createVariable(pos, epName, endpoint.symbol.type);
    final Name name = names.fromIdNode(endpoint.name);
    epVariable.symbol = (BVarSymbol) symResolver.lookupMemberSymbol(pos, encSymbol.scope, env, name, SymTag.VARIABLE);
    List<BLangVariable> args = new ArrayList<>();
    if (funSymbol.params.size() == 1) {
        // Endpoint is already desugared. Fix this correctly.
        args.add(0, epVariable);
    }
    final BLangExpressionStmt expressionStmt = ASTBuilderUtil.createExpressionStmt(pos, temp);
    final BLangInvocation iExpr = ASTBuilderUtil.createInvocationExpr(pos, funSymbol, args, symResolver);
    if (funSymbol.params.size() != 1) {
        iExpr.expr = ASTBuilderUtil.createVariableRef(epVariable.pos, epVariable.symbol);
    }
    expressionStmt.expr = iExpr;
    return temp;
}

Example 24 with BVarSymbol

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

the class EndpointDesugar method generateEndpointInitFunctionCall.

private BLangBlockStmt generateEndpointInitFunctionCall(BLangEndpoint endpoint, SymbolEnv env, BSymbol encSymbol, BSymbol varEncSymbol) {
    BLangBlockStmt temp = new BLangBlockStmt();
    if (endpoint.configurationExpr == null || endpoint.configurationExpr.getKind() != NodeKind.RECORD_LITERAL_EXPR) {
        return temp;
    }
    final String epName = endpoint.name.value;
    final DiagnosticPos pos = endpoint.pos;
    final BLangVariable epVariable = ASTBuilderUtil.createVariable(pos, epName, endpoint.symbol.type);
    epVariable.symbol = (BVarSymbol) symResolver.lookupMemberSymbol(pos, encSymbol.scope, env, names.fromString(epName), SymTag.VARIABLE);
    // EPConfigType ep_nameConf = { ep-config-expr };
    final BLangVariableDef epConfigNewStmt = ASTBuilderUtil.createVariableDefStmt(pos, temp);
    epConfigNewStmt.var = ASTBuilderUtil.createVariable(pos, epName + "Conf", endpoint.configurationExpr.type);
    epConfigNewStmt.var.expr = endpoint.configurationExpr;
    ASTBuilderUtil.defineVariable(epConfigNewStmt.var, varEncSymbol, names);
    List<BLangVariable> args = Lists.of(epConfigNewStmt.var);
    if (endpoint.symbol.initFunction != null && endpoint.symbol.initFunction.params.size() == 2) {
        // Endpoint is already desugared. Fix this correctly.
        args.add(0, epVariable);
    }
    // epName.init(ep_nameConf);
    final BLangExpressionStmt expressionStmt = ASTBuilderUtil.createExpressionStmt(pos, temp);
    final BLangInvocation iExpr = ASTBuilderUtil.createInvocationExpr(pos, endpoint.symbol.initFunction, args, symResolver);
    if (endpoint.symbol.initFunction != null && endpoint.symbol.initFunction.params.size() != 2) {
        iExpr.expr = ASTBuilderUtil.createVariableRef(epVariable.pos, epVariable.symbol);
    }
    expressionStmt.expr = iExpr;
    return temp;
}

Example 25 with BVarSymbol

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

the class SiddhiQueryBuilder method visit.

public void visit(BLangForever foreverStatement) {
    siddhiQuery = new StringBuilder();
    streamDefinitionQuery = new StringBuilder();
    streamIds = new HashSet<>();
    inStreamRefs = new ArrayList<>();
    outStreamRefs = new ArrayList<>();
    inTableRefs = new ArrayList<>();
    outTableRefs = new ArrayList<>();
    binaryExpr = null;
    setExpr = null;
    orderByClause = null;
    whereClause = null;
    windowClause = null;
    joinStreamingInputClause = null;
    streamingInputClause = null;
    selectExprClause = null;
    selectExpr = null;
    setAssignmentClause = null;
    groupByClause = null;
    havingClause = null;
    patternStreamingClause = null;
    streamActionClause = null;
    intRangeExpr = null;
    List<VariableNode> globalVariables = foreverStatement.getGlobalVariables();
    if (globalVariables != null) {
        for (VariableNode variable : globalVariables) {
            ((BLangVariable) variable).accept(this);
        }
    }
    List<VariableSymbol> functionVariables = foreverStatement.getFunctionVariables();
    if (functionVariables != null) {
        for (VariableSymbol variable : functionVariables) {
            getStreamDefintionForFuntionVariable((BVarSymbol) variable);
        }
    }
    List<? extends StatementNode> statementNodes = foreverStatement.gettreamingQueryStatements();
    for (StatementNode statementNode : statementNodes) {
        ((BLangStatement) statementNode).accept(this);
    }
    foreverStatement.setSiddhiQuery(this.getSiddhiQuery());
    foreverStatement.setStreamIdsAsString(String.join(",", streamIds));
}