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

Example 11 with BPackageSymbol

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

the class CodeGenerator method visit.

public void visit(BLangTryCatchFinally tryNode) {
    Operand gotoTryCatchEndAddr = getOperand(-1);
    Instruction instructGotoTryCatchEnd = InstructionFactory.get(InstructionCodes.GOTO, gotoTryCatchEndAddr);
    List<int[]> unhandledErrorRangeList = new ArrayList<>();
    ErrorTableAttributeInfo errorTable = createErrorTableIfAbsent(currentPkgInfo);
    // Handle try block.
    int fromIP = nextIP();
    genNode(tryNode.tryBody, env);
    int toIP = nextIP() - 1;
    // Append finally block instructions.
    if (tryNode.finallyBody != null) {
        genNode(tryNode.finallyBody, env);
    }
    emit(instructGotoTryCatchEnd);
    unhandledErrorRangeList.add(new int[] { fromIP, toIP });
    // Handle catch blocks.
    int order = 0;
    for (BLangCatch bLangCatch : tryNode.getCatchBlocks()) {
        addLineNumberInfo(bLangCatch.pos);
        int targetIP = nextIP();
        genNode(bLangCatch, env);
        unhandledErrorRangeList.add(new int[] { targetIP, nextIP() - 1 });
        // Append finally block instructions.
        if (tryNode.finallyBody != null) {
            genNode(tryNode.finallyBody, env);
        }
        emit(instructGotoTryCatchEnd);
        // Create Error table entry for this catch block
        BTypeSymbol structSymbol = bLangCatch.param.symbol.type.tsymbol;
        BPackageSymbol packageSymbol = (BPackageSymbol) bLangCatch.param.symbol.type.tsymbol.owner;
        int pkgCPIndex = addPackageRefCPEntry(currentPkgInfo, packageSymbol.pkgID);
        int structNameCPIndex = addUTF8CPEntry(currentPkgInfo, structSymbol.name.value);
        StructureRefCPEntry structureRefCPEntry = new StructureRefCPEntry(pkgCPIndex, structNameCPIndex);
        int structCPEntryIndex = currentPkgInfo.addCPEntry(structureRefCPEntry);
        StructInfo errorStructInfo = this.programFile.packageInfoMap.get(packageSymbol.pkgID.bvmAlias()).getStructInfo(structSymbol.name.value);
        ErrorTableEntry errorTableEntry = new ErrorTableEntry(fromIP, toIP, targetIP, order++, structCPEntryIndex);
        errorTableEntry.setError(errorStructInfo);
        errorTable.addErrorTableEntry(errorTableEntry);
    }
    if (tryNode.finallyBody != null) {
        // Create Error table entry for unhandled errors in try and catch(s) blocks
        for (int[] range : unhandledErrorRangeList) {
            ErrorTableEntry errorTableEntry = new ErrorTableEntry(range[0], range[1], nextIP(), order++, -1);
            errorTable.addErrorTableEntry(errorTableEntry);
        }
        // Append finally block instruction.
        genNode(tryNode.finallyBody, env);
        emit(InstructionFactory.get(InstructionCodes.THROW, getOperand(-1)));
    }
    gotoTryCatchEndAddr.value = nextIP();
}

Example 12 with BPackageSymbol

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

the class CodeGenerator method visit.

public void visit(BLangPackage pkgNode) {
    if (pkgNode.completedPhases.contains(CompilerPhase.CODE_GEN)) {
        if (!buildCompiledPackage) {
            programFile.packageInfoMap.put(pkgNode.symbol.pkgID.bvmAlias(), pkgNode.symbol.packageInfo);
        }
        return;
    }
    // TODO Improve this design without if/else
    PackageInfo packageInfo = new PackageInfo();
    pkgNode.symbol.packageInfo = packageInfo;
    if (buildCompiledPackage) {
        // Generating the BALO
        pkgNode.imports.forEach(impPkgNode -> {
            int impPkgNameCPIndex = addUTF8CPEntry(packageInfo, impPkgNode.symbol.name.value);
            // TODO Improve the import package version once it is available
            int impPkgVersionCPIndex = addUTF8CPEntry(packageInfo, PackageID.DEFAULT.version.value);
            ImportPackageInfo importPkgInfo = new ImportPackageInfo(impPkgNameCPIndex, impPkgVersionCPIndex);
            packageInfo.importPkgInfoSet.add(importPkgInfo);
            packageFile.packageInfo = packageInfo;
        });
    } else {
        // Generating a BALX
        // first visit all the imports
        pkgNode.imports.forEach(impPkgNode -> genNode(impPkgNode, this.env));
        // TODO We need to create identifier for both name and the version
        programFile.packageInfoMap.put(pkgNode.symbol.pkgID.bvmAlias(), packageInfo);
    }
    // Add the current package to the program file
    BPackageSymbol pkgSymbol = pkgNode.symbol;
    currentPkgID = pkgSymbol.pkgID;
    currentPkgInfo = packageInfo;
    currentPkgInfo.nameCPIndex = addUTF8CPEntry(currentPkgInfo, currentPkgID.bvmAlias());
    currentPkgInfo.versionCPIndex = addUTF8CPEntry(currentPkgInfo, currentPkgID.version.value);
    // Insert the package reference to the constant pool of the current package
    currentPackageRefCPIndex = addPackageRefCPEntry(currentPkgInfo, currentPkgID);
    // This attribute keep track of line numbers
    int lineNoAttrNameIndex = addUTF8CPEntry(currentPkgInfo, AttributeInfo.Kind.LINE_NUMBER_TABLE_ATTRIBUTE.value());
    lineNoAttrInfo = new LineNumberTableAttributeInfo(lineNoAttrNameIndex);
    // This attribute keep package-level variable information
    int pkgVarAttrNameIndex = addUTF8CPEntry(currentPkgInfo, AttributeInfo.Kind.LOCAL_VARIABLES_ATTRIBUTE.value());
    currentPkgInfo.addAttributeInfo(AttributeInfo.Kind.LOCAL_VARIABLES_ATTRIBUTE, new LocalVariableAttributeInfo(pkgVarAttrNameIndex));
    pkgNode.globalVars.forEach(this::createPackageVarInfo);
    pkgNode.structs.forEach(this::createStructInfoEntry);
    pkgNode.enums.forEach(this::createEnumInfoEntry);
    pkgNode.connectors.forEach(this::createConnectorInfoEntry);
    pkgNode.functions.forEach(this::createFunctionInfoEntry);
    pkgNode.services.forEach(this::createServiceInfoEntry);
    pkgNode.functions.forEach(this::createFunctionInfoEntry);
    pkgNode.transformers.forEach(this::createTransformerInfoEntry);
    // Visit package builtin function
    visitBuiltinFunctions(pkgNode.initFunction);
    visitBuiltinFunctions(pkgNode.startFunction);
    visitBuiltinFunctions(pkgNode.stopFunction);
    pkgNode.topLevelNodes.stream().filter(pkgLevelNode -> pkgLevelNode.getKind() != NodeKind.VARIABLE && pkgLevelNode.getKind() != NodeKind.XMLNS).forEach(pkgLevelNode -> genNode((BLangNode) pkgLevelNode, this.env));
    currentPkgInfo.addAttributeInfo(AttributeInfo.Kind.LINE_NUMBER_TABLE_ATTRIBUTE, lineNoAttrInfo);
    currentPackageRefCPIndex = -1;
    currentPkgID = null;
    pkgNode.completedPhases.add(CompilerPhase.CODE_GEN);
}

Example 13 with BPackageSymbol

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

the class StatementContextResolver method resolveItems.

@Override
@SuppressWarnings("unchecked")
public ArrayList<CompletionItem> resolveItems(TextDocumentServiceContext completionContext) {
    ArrayList<CompletionItem> completionItems = new ArrayList<>();
    // action invocation or worker invocation
    if (isInvocationOrFieldAccess(completionContext)) {
        ArrayList<SymbolInfo> actionAndFunctions = new ArrayList<>();
        PackageActionFunctionAndTypesFilter actionFunctionTypeFilter = new PackageActionFunctionAndTypesFilter();
        actionAndFunctions.addAll(actionFunctionTypeFilter.filterItems(completionContext));
        this.populateCompletionItemList(actionAndFunctions, completionItems);
    } else {
        CompletionItem xmlns = new CompletionItem();
        xmlns.setLabel(ItemResolverConstants.XMLNS);
        xmlns.setInsertText(Snippet.NAMESPACE_DECLARATION.toString());
        xmlns.setInsertTextFormat(InsertTextFormat.Snippet);
        xmlns.setDetail(ItemResolverConstants.SNIPPET_TYPE);
        completionItems.add(xmlns);
        // Add the var keyword
        CompletionItem varKeyword = new CompletionItem();
        varKeyword.setInsertText("var ");
        varKeyword.setLabel("var");
        varKeyword.setDetail(ItemResolverConstants.KEYWORD_TYPE);
        completionItems.add(varKeyword);
        StatementTemplateFilter statementTemplateFilter = new StatementTemplateFilter();
        // Add the statement templates
        completionItems.addAll(statementTemplateFilter.filterItems(completionContext));
        // We need to remove the functions having a receiver symbol and the bTypes of the following
        // ballerina.coordinator, ballerina.runtime, and anonStructs
        ArrayList<String> invalidPkgs = new ArrayList<>(Arrays.asList("ballerina.runtime", "ballerina.transactions.coordinator"));
        completionContext.get(CompletionKeys.VISIBLE_SYMBOLS_KEY).removeIf(symbolInfo -> {
            BSymbol bSymbol = symbolInfo.getScopeEntry().symbol;
            String symbolName = bSymbol.getName().getValue();
            return (bSymbol instanceof BInvokableSymbol && ((BInvokableSymbol) bSymbol).receiverSymbol != null) || (bSymbol instanceof BPackageSymbol && invalidPkgs.contains(symbolName)) || (symbolName.startsWith("$anonStruct"));
        });
        populateCompletionItemList(completionContext.get(CompletionKeys.VISIBLE_SYMBOLS_KEY), completionItems);
        // Now we need to sort the completion items and populate the completion items specific to the scope owner
        // as an example, resource, action, function scopes are different from the if-else, while, and etc
        Class itemSorter = completionContext.get(CompletionKeys.BLOCK_OWNER_KEY).getClass();
        ItemSorters.getSorterByClass(itemSorter).sortItems(completionContext, completionItems);
    }
    return completionItems;
}

Example 14 with BPackageSymbol

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

the class CodeAnalyzer method visit.

public void visit(BLangImportPackage importPkgNode) {
    BPackageSymbol pkgSymbol = importPkgNode.symbol;
    SymbolEnv pkgEnv = this.symTable.pkgEnvMap.get(pkgSymbol);
    if (pkgEnv == null) {
        return;
    }
    pkgEnv.node.accept(this);
}

Example 15 with BPackageSymbol

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

the class CompilerPluginRunner method visit.

public void visit(BLangImportPackage importPkgNode) {
    BPackageSymbol pkgSymbol = importPkgNode.symbol;
    SymbolEnv pkgEnv = symTable.pkgEnvMap.get(pkgSymbol);
    if (pkgEnv == null) {
        return;
    }
    pkgEnv.node.accept(this);
}