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

Example 1 with BLangVariableDef

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

the class SemanticAnalyzer method createVarDef.

private BLangVariableDef createVarDef(BLangVariable var) {
    BLangVariableDef varDefNode = new BLangVariableDef();
    varDefNode.var = var;
    varDefNode.pos = var.pos;
    return varDefNode;
}

Example 2 with BLangVariableDef

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

the class CodeGenerator method addParameterDefaultValues.

private void addParameterDefaultValues(BLangInvokableNode invokableNode, CallableUnitInfo callableUnitInfo) {
    int paramDefaultsAttrNameIndex = addUTF8CPEntry(currentPkgInfo, AttributeInfo.Kind.PARAMETER_DEFAULTS_ATTRIBUTE.value());
    ParamDefaultValueAttributeInfo paramDefaulValAttrInfo = new ParamDefaultValueAttributeInfo(paramDefaultsAttrNameIndex);
    // Only named parameters can have default values.
    for (BLangVariableDef param : invokableNode.defaultableParams) {
        DefaultValue defaultVal = getDefaultValue((BLangLiteral) param.var.expr);
        paramDefaulValAttrInfo.addParamDefaultValueInfo(defaultVal);
    }
    callableUnitInfo.addAttributeInfo(AttributeInfo.Kind.PARAMETER_DEFAULTS_ATTRIBUTE, paramDefaulValAttrInfo);
}

Example 3 with BLangVariableDef

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

the class ASTBuilderUtil method createVariableDef.

static BLangVariableDef createVariableDef(DiagnosticPos pos) {
    final BLangVariableDef variableDef = (BLangVariableDef) TreeBuilder.createVariableDefinitionNode();
    variableDef.pos = pos;
    return variableDef;
}

Example 4 with BLangVariableDef

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

the class ASTBuilderUtil method createVariableDef.

static BLangVariableDef createVariableDef(DiagnosticPos pos, BLangVariable variable) {
    final BLangVariableDef variableDef = (BLangVariableDef) TreeBuilder.createVariableDefinitionNode();
    variableDef.pos = pos;
    variableDef.var = variable;
    return variableDef;
}

Example 5 with BLangVariableDef

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

the class Desugar method visit.

@Override
public void visit(BLangTupleDestructure stmt) {
    // var (a, b) = (tuple)
    // 
    // desugar once
    // any[] x = (tuple);
    // a = x[0];
    final BLangBlockStmt blockStmt = ASTBuilderUtil.createBlockStmt(stmt.pos);
    BType runTimeType = new BArrayType(symTable.anyType);
    final BLangVariable tuple = ASTBuilderUtil.createVariable(stmt.pos, "", runTimeType, null, new BVarSymbol(0, names.fromString("tuple"), this.env.scope.owner.pkgID, runTimeType, this.env.scope.owner));
    tuple.expr = stmt.expr;
    final BLangVariableDef variableDef = ASTBuilderUtil.createVariableDefStmt(stmt.pos, blockStmt);
    variableDef.var = tuple;
    for (int index = 0; index < stmt.varRefs.size(); index++) {
        BLangExpression varRef = stmt.varRefs.get(index);
        BLangLiteral indexExpr = ASTBuilderUtil.createLiteral(stmt.pos, symTable.intType, (long) index);
        BLangIndexBasedAccess arrayAccess = ASTBuilderUtil.createIndexBasesAccessExpr(stmt.pos, symTable.anyType, tuple.symbol, indexExpr);
        final BLangExpression assignmentExpr;
        if (types.isValueType(varRef.type)) {
            BLangTypeConversionExpr castExpr = (BLangTypeConversionExpr) TreeBuilder.createTypeConversionNode();
            castExpr.expr = arrayAccess;
            castExpr.conversionSymbol = Symbols.createUnboxValueTypeOpSymbol(symTable.anyType, varRef.type);
            castExpr.type = varRef.type;
            assignmentExpr = castExpr;
        } else {
            assignmentExpr = arrayAccess;
        }
        final BLangAssignment assignmentStmt = ASTBuilderUtil.createAssignmentStmt(stmt.pos, blockStmt);
        assignmentStmt.declaredWithVar = stmt.declaredWithVar;
        assignmentStmt.varRefs = Lists.of(varRef);
        assignmentStmt.expr = assignmentExpr;
    }
    result = rewrite(blockStmt, env);
}