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

Example 1 with REG

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

the class CodeGenerator method visit.

public void visit(BLangBlockStmt blockNode) {
    SymbolEnv blockEnv = SymbolEnv.createBlockEnv(blockNode, this.env);
    for (BLangStatement stmt : blockNode.stmts) {
        if (stmt.getKind() != NodeKind.TRY && stmt.getKind() != NodeKind.CATCH && stmt.getKind() != NodeKind.IF) {
            addLineNumberInfo(stmt.pos);
        }
        genNode(stmt, blockEnv);
        // Update the maxRegIndexes structure
        setMaxRegIndexes(regIndexes, maxRegIndexes);
        // Reset the regIndexes structure for every statement
        regIndexes = new VariableIndex(REG);
    }
}

Example 2 with REG

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

the class CodeGenerator method visit.

public void visit(BLangTypeConversionExpr convExpr) {
    int opcode = convExpr.conversionSymbol.opcode;
    // Figure out the reg index of the result value
    BType castExprType = convExpr.type;
    RegIndex convExprRegIndex = calcAndGetExprRegIndex(convExpr.regIndex, castExprType.tag);
    convExpr.regIndex = convExprRegIndex;
    if (opcode == InstructionCodes.NOP) {
        convExpr.expr.regIndex = createLHSRegIndex(convExprRegIndex);
        genNode(convExpr.expr, this.env);
        return;
    }
    genNode(convExpr.expr, this.env);
    if (opcode == InstructionCodes.MAP2T || opcode == InstructionCodes.JSON2T || opcode == InstructionCodes.ANY2T || opcode == InstructionCodes.ANY2C || opcode == InstructionCodes.ANY2E || opcode == InstructionCodes.ANY2M || opcode == InstructionCodes.CHECKCAST) {
        Operand typeCPIndex = getTypeCPIndex(convExpr.targetType);
        emit(opcode, convExpr.expr.regIndex, typeCPIndex, convExprRegIndex);
    } else {
        emit(opcode, convExpr.expr.regIndex, convExprRegIndex);
    }
}

Example 3 with REG

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

the class CodeGenerator method visit.

public void visit(BLangAssignment assignNode) {
    List<BLangExpression> lhrExprs = assignNode.varRefs;
    if (assignNode.declaredWithVar) {
        lhrExprs.stream().filter(lhsExr -> lhsExr.type.tag != TypeTags.NONE).map(lhsExr -> (BLangVariableReference) lhsExr).forEach(varRef -> {
            visitVarSymbol(varRef.symbol, lvIndexes, localVarAttrInfo);
        });
    }
    // Calculate the register indexes of lhs expressions.
    int nLHSExpr = lhrExprs.size();
    RegIndex[] regIndexes = new RegIndex[nLHSExpr];
    for (int i = 0; i < nLHSExpr; i++) {
        BLangExpression lExpr = lhrExprs.get(i);
        if (lExpr.type.tag == TypeTags.NONE) {
            continue;
        }
        if (lExpr.getKind() == NodeKind.SIMPLE_VARIABLE_REF && lExpr instanceof BLangLocalVarRef) {
            lExpr.regIndex = ((BLangVariableReference) lExpr).symbol.varIndex;
            regIndexes[i] = lExpr.regIndex;
        }
    }
    // Set calculated reg indexes and visit rhs expression
    BLangExpression rhsExpr = assignNode.expr;
    rhsExpr.regIndex = regIndexes[0];
    genNode(rhsExpr, this.env);
    // Set the reg indexes generated by visiting rhs expression to lhs expression
    regIndexes[0] = rhsExpr.regIndex;
    for (int i = 0; i < lhrExprs.size(); i++) {
        BLangExpression lExpr = lhrExprs.get(i);
        if (lExpr.type.tag == TypeTags.NONE) {
            continue;
        }
        if (lExpr.getKind() == NodeKind.SIMPLE_VARIABLE_REF && lExpr instanceof BLangLocalVarRef) {
            continue;
        }
        varAssignment = true;
        lExpr.regIndex = regIndexes[i];
        genNode(lExpr, this.env);
        varAssignment = false;
    }
}

Example 4 with REG

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

the class UriTemplateDispatcherTest method testValidUrlTemplate5Dispatching.

@Test(description = "Test accessing the variables parsed with URL. /products5/{productId}/reg")
public void testValidUrlTemplate5Dispatching() {
    HTTPTestRequest cMsg = MessageUtils.generateHTTPMessage("/ecommerceservice/products5/PID125/reg?regID=RID125&para1=value1", "GET");
    HTTPCarbonMessage response = Services.invokeNew(application, TEST_EP, cMsg);
    Assert.assertNotNull(response, "Response message not found");
    // Expected Json message : {"Template":"T5","ProductID":"PID125","RegID":"RID125"}
    BJSON bJson = new BJSON(new HttpMessageDataStreamer(response).getInputStream());
    Assert.assertEquals(bJson.value().get("Template").asText(), "T5", "Resource dispatched to wrong template");
    Assert.assertEquals(bJson.value().get("ProductID").asText(), "PID125", "ProductID variable not set properly.");
    Assert.assertEquals(bJson.value().get("RegID").asText(), "RID125", "RegID variable not set properly.");
}

Example 5 with REG

use of org.wso2.ballerinalang.compiler.codegen.CodeGenerator.VariableIndex.Kind.REG in project carbon-business-process by wso2.

the class UnifiedEndpointHandler method loadPolicy.

private Policy loadPolicy(String path, MessageContext msgContext) throws AxisFault {
    Policy policyDoc = null;
    if (path.startsWith(UnifiedEndpointConstants.VIRTUAL_FILE)) {
        path = path.replaceFirst(UnifiedEndpointConstants.VIRTUAL_FILE, "");
        try {
            InputStream policyStream = UnifiedEndpointUtils.getFileInputStream(path);
            try {
                policyDoc = PolicyEngine.getPolicy(policyStream);
            } finally {
                policyStream.close();
            }
        } catch (IOException e) {
            String errMsg = "Exception while parsing policy: " + path;
            log.error(errMsg, e);
            throw new AxisFault(errMsg, e);
        }
    } else if (path.startsWith(UnifiedEndpointConstants.VIRTUAL_GOV_REG)) {
        Registry reg = CarbonContext.getThreadLocalCarbonContext().getRegistry(RegistryType.SYSTEM_GOVERNANCE);
        path = path.substring(UnifiedEndpointConstants.VIRTUAL_GOV_REG.length());
        try {
            if (reg.resourceExists(path)) {
                Resource policyResource = reg.get(path);
                policyDoc = PolicyEngine.getPolicy(policyResource.getContentStream());
            }
        } catch (RegistryException e) {
            String errMsg = "Exception while loading policy from Governance registry: " + path;
            log.error(errMsg, e);
            throw new AxisFault(errMsg, e);
        }
    } else if (path.startsWith(UnifiedEndpointConstants.VIRTUAL_CONF_REG)) {
        Registry reg = CarbonContext.getThreadLocalCarbonContext().getRegistry(RegistryType.SYSTEM_CONFIGURATION);
        path = path.substring(UnifiedEndpointConstants.VIRTUAL_CONF_REG.length());
        try {
            if (reg.resourceExists(path)) {
                Resource policyResource = reg.get(path);
                policyDoc = PolicyEngine.getPolicy(policyResource.getContentStream());
            }
        } catch (RegistryException e) {
            String errMsg = "Exception while loading policy from Configuration registry: " + path;
            log.error(errMsg, e);
            throw new AxisFault(errMsg, e);
        }
    } else {
        String errMsg = "Invalid policy path: " + path;
        log.error(errMsg);
        throw new AxisFault(errMsg);
    }
    return policyDoc;
}