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1411x 1355x 13x 13x 13x 13x 13x 13x 10x 10x 3x 1355x 19x 19x 19x 19x 19x 18x 18x 1x 1342x 147x 1x 147x 146x 146x 146x 2x 146x 126x 126x 126x 1x 1x 125x 125x 125x 126x 6x 6x 125x 126x 186x 3x 3x 183x 186x 186x 1x 1x 186x 124x 124x 144x 2x 18x 1x 16x 5x 15x 6x 6x 4x 1323x 1176x 1176x 877x 2x 877x 875x 875x 6x 1x 1x 5x 875x 4x 869x 865x 865x 3x 3x 862x 1176x 2x 2x 2x 2x 2x 297x 297x 297x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 2x 2x 2x 2x 2x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x | import {ClassDefinition, InterfaceDefinition} from "../types";
import {AnyType, CharacterType, CLikeType, CSequenceType, DataReference, DataType, DateType, DecFloat16Type, DecFloat34Type, DecFloatType, FloatingPointType, FloatType, GenericObjectReferenceType, HexType, Integer8Type, IntegerType, NumericGenericType, NumericType, ObjectReferenceType, PackedType, PGenericType, SimpleType, StringType, StructureType, TableType, TimeType, UnknownType, UTCLongType, VoidType, XGenericType, XSequenceType, XStringType} from "../types/basic";
import {TableKeyType} from "../types/basic/table_type";
import {EnumType} from "../types/basic/enum_type";
import {AbstractType} from "../types/basic/_abstract_type";
import {CGenericType} from "../types/basic/cgeneric_type";
import {CurrentScope} from "./_current_scope";
import * as Expressions from "../2_statements/expressions";
import {ExpressionNode, TokenNodeRegex} from "../nodes";
// todo: refactor to static? for performance
export class TypeUtils {
// scope is needed to determine class hieraracy for typing
private readonly scope: CurrentScope;
public constructor(scope: CurrentScope) {
this.scope = scope;
}
public isCharLikeStrict(type: AbstractType | undefined): boolean {
if (type === undefined) {
return false;
} else if (type instanceof StructureType) {
for (const c of type.getComponents()) {
if (this.isCharLikeStrict(c.type) === false) {
return false;
}
}
return true;
} else if (type instanceof TableType && type.isWithHeader()) {
return this.isCharLikeStrict(type.getRowType());
} else if (type instanceof StringType
|| type instanceof AnyType
|| type instanceof DataType
|| type instanceof CharacterType
|| type instanceof SimpleType
|| type instanceof CGenericType
|| type instanceof CLikeType
|| type instanceof DateType
|| type instanceof CSequenceType
|| type instanceof NumericGenericType
|| type instanceof NumericType
|| type instanceof TimeType
|| type instanceof UnknownType
|| type instanceof VoidType) {
return true;
}
return false;
}
public isCharLikeField(type: AbstractType | undefined): boolean {
if (type instanceof StructureType
|| (type instanceof TableType && type.isWithHeader())) {
return this.isCharLikeStrict(type);
}
return type instanceof CharacterType
|| type instanceof NumericType
|| type instanceof DateType
|| type instanceof TimeType
|| type instanceof CGenericType
|| type instanceof CLikeType
|| type instanceof AnyType
|| type instanceof UnknownType
|| type instanceof VoidType;
}
public isCharLike(type: AbstractType | undefined): boolean {
if (type === undefined) {
return false;
} else if (type instanceof TableType && type.isWithHeader()) {
return this.isCharLike(type.getRowType());
} else if (type instanceof StructureType) {
for (const c of type.getComponents()) {
if (this.isCharLike(c.type) === false) {
return false;
}
}
return true;
} else if (type instanceof StringType
|| type instanceof CharacterType
|| type instanceof VoidType
|| type instanceof AnyType
|| type instanceof UnknownType
|| type instanceof NumericType
|| type instanceof IntegerType
|| type instanceof Integer8Type
|| type instanceof SimpleType
|| type instanceof FloatType
|| type instanceof FloatingPointType
|| type instanceof DecFloatType
|| type instanceof DecFloat16Type
|| type instanceof DecFloat34Type
|| type instanceof NumericGenericType
|| type instanceof CSequenceType
|| type instanceof CGenericType
|| type instanceof DateType
|| type instanceof DataType
|| type instanceof CLikeType
|| type instanceof PackedType
|| type instanceof PGenericType
|| type instanceof TimeType
|| type instanceof EnumType) {
return true;
}
return false;
}
public isHexLike(type: AbstractType | undefined): boolean {
if (type === undefined) {
return false;
} else if (type instanceof StructureType) {
for (const c of type.getComponents()) {
if (this.isHexLike(c.type) === false) {
return false;
}
}
return true;
} else if (type instanceof TableType && type.isWithHeader()) {
return this.isHexLike(type.getRowType());
} else if (type instanceof XStringType
|| type instanceof HexType
|| type instanceof VoidType
|| type instanceof XGenericType
|| type instanceof XSequenceType
|| type instanceof AnyType
|| type instanceof UnknownType) {
return true;
}
return false;
}
public isOOAssignable(source: ObjectReferenceType, target: ObjectReferenceType): boolean {
let sid = source.getIdentifier();
let tid = target.getIdentifier();
const tname = tid.getName().toUpperCase();
const sname = sid.getName().toUpperCase();
if (tname === sname) {
return true;
}
/*
console.dir(sid);
console.dir(tid);
*/
if (!(sid instanceof ClassDefinition || sid instanceof InterfaceDefinition)) {
const found = this.scope.findObjectDefinition(sid.getName());
if (found) {
sid = found;
} else {
return false;
}
}
if (!(tid instanceof ClassDefinition || tid instanceof InterfaceDefinition)) {
const found = this.scope.findObjectDefinition(tid.getName());
if (found) {
tid = found;
} else {
return false;
}
}
if (sid instanceof ClassDefinition && tid instanceof ClassDefinition) {
if (sname === tname) {
return true;
}
const slist = this.listAllSupers(sid);
if (slist.indexOf(tname) >= 0) {
return true;
}
} else if (sid instanceof ClassDefinition && tid instanceof InterfaceDefinition) {
if (sid.getImplementing().some(i => i.name === tname)) {
return true;
}
const slist = this.listAllInterfaces(sid);
if (slist.indexOf(tname) >= 0) {
return true;
}
} else if (sid instanceof InterfaceDefinition && tid instanceof InterfaceDefinition) {
if (sname === tname) {
return true;
}
if (sid.getImplementing().some(i => i.name === tname)) {
return true;
}
const slist = this.listAllInterfaces(sid);
if (slist.indexOf(tname) >= 0) {
return true;
}
}
return false;
}
private listAllInterfaces(cdef: ClassDefinition | InterfaceDefinition): string[] {
const ret = new Set<string>();
const stack: string[] = [];
// initialize
cdef.getImplementing().forEach(i => stack.push(i.name));
if (cdef instanceof ClassDefinition) {
const supers = this.listAllSupers(cdef);
for (const s of supers) {
this.scope.findClassDefinition(s)?.getImplementing().forEach(i => stack.push(i.name));
}
}
// main loop
while (stack.length > 0) {
const intf = stack.pop()!.toUpperCase();
ret.add(intf);
const idef = this.scope.findInterfaceDefinition(intf);
idef?.getImplementing().forEach(i => stack.push(i.name));
}
return Array.from(ret.values());
}
private listAllSupers(cdef: ClassDefinition): string[] {
const ret: string[] = [];
let sup = cdef.getSuperClass();
while (sup !== undefined) {
ret.push(sup?.toUpperCase());
sup = this.scope.findClassDefinition(sup)?.getSuperClass()?.toUpperCase();
}
return ret;
}
public isConvable(source: AbstractType | undefined, target: AbstractType | undefined): boolean {
if (source instanceof TableType && target instanceof TableType) {
// table key conversion, eg DEFAULT to EMPTY
return this.isAssignable(source.getRowType(), target.getRowType());
}
return this.isAssignable(source, target);
}
public isCastable(_source: AbstractType | undefined, _target: AbstractType | undefined): boolean {
// todo
return true;
}
public isCompareable(source1: AbstractType | undefined, source2: AbstractType | undefined,
node1: ExpressionNode, node2: ExpressionNode): boolean {
/*
console.dir(source1);
console.dir(source2);
*/
if (source1 === undefined || source2 === undefined) {
return true;
}
if (source1 instanceof HexType && this.isCalculated(node1) && source2 instanceof IntegerType) {
return false;
}
if (source2 instanceof HexType && this.isCalculated(node2) && source1 instanceof IntegerType) {
return false;
}
if (source1 instanceof DateType && this.isCalculated(node2) && source2 instanceof IntegerType) {
return false;
}
if (source2 instanceof DateType && this.isCalculated(node1) && source1 instanceof IntegerType) {
return false;
}
return true;
}
private structureContainsString(structure: StructureType): boolean {
for (const c of structure.getComponents()) {
if (c.type instanceof StringType) {
return true;
}
}
return false;
}
private structureContainsVoid(structure: StructureType): boolean {
for (const c of structure.getComponents()) {
if (c.type instanceof VoidType) {
return true;
}
}
return false;
}
private isCalculated(node: ExpressionNode): boolean {
/*
if (node.getChildren().length === 1
&& node.get() instanceof Expressions.Source
&& node.getFirstChild()?.get() instanceof Expressions.MethodCallChain) {
return false;
}
*/
if (node.getChildren().length === 4
&& node.getFirstChild() instanceof TokenNodeRegex
&& node.getFirstChild()?.concatTokens().toUpperCase() === "BOOLC") {
return true;
}
if (node.getChildren().length >= 3) {
const second = node.getChildren()[1];
if (second.getFirstToken().getStr() === "&&") {
return true;
}
}
const calculated = node.findFirstExpression(Expressions.MethodCallChain) !== undefined
|| node.findFirstExpression(Expressions.StringTemplate) !== undefined
|| node.findFirstExpression(Expressions.ArithOperator) !== undefined;
return calculated;
}
public isAssignableNew(source: AbstractType | undefined,
target: AbstractType | undefined,
node: ExpressionNode | undefined): boolean {
const calculated = node?.findFirstExpression(Expressions.ArithOperator) !== undefined;
if (calculated && source instanceof HexType && target instanceof IntegerType) {
return false;
}
return this.isAssignable(source, target);
}
public isAssignableStrict(source: AbstractType | undefined,
target: AbstractType | undefined,
node?: ExpressionNode): boolean {
const calculated = node ? this.isCalculated(node) : false;
/*
console.dir(source);
console.dir(target);
console.dir(calculated);
*/
if (calculated && source instanceof StringType
&& (target instanceof XStringType || target instanceof XSequenceType)) {
return false;
}
if (calculated && source instanceof IntegerType && target instanceof DateType) {
return false;
}
if (target instanceof NumericType
&& (source instanceof CharacterType || source instanceof StringType)
&& source.getAbstractTypeData()?.derivedFromConstant === true) {
const constant = node?.concatTokens();
if (constant !== undefined
&& ((constant.startsWith("'") && constant.endsWith("'"))
|| (constant.startsWith("`") && constant.endsWith("`")))
&& /^\d*$/.test(constant.substring(1, constant.length - 1)) === false) {
return false;
}
}
if (calculated) {
return this.isAssignable(source, target);
}
if (target instanceof CLikeType) {
return this.isCharLikeStrict(source);
}
if (target instanceof PGenericType) {
return source instanceof PackedType
|| source instanceof PGenericType
|| source instanceof VoidType
|| source instanceof AnyType
|| source instanceof DataType
|| source instanceof UnknownType;
}
if (source instanceof CGenericType && target instanceof StringType) {
return false;
} else if (source instanceof CharacterType) {
if (target instanceof CharacterType) {
if (source.getAbstractTypeData()?.derivedFromConstant === true) {
return source.getLength() <= target.getLength();
}
return source.getLength() === target.getLength();
} else if (target instanceof IntegerType) {
if (source.getAbstractTypeData()?.derivedFromConstant === true) {
return true;
}
return false;
} else if (target instanceof XStringType) {
if (source.getAbstractTypeData()?.derivedFromConstant === true) {
return node?.concatTokens() !== "''";
}
return false;
} else if (target instanceof StringType) {
if (source.getAbstractTypeData()?.derivedFromConstant === true) {
return true;
}
return false;
}
} else if (source instanceof HexType) {
if (target instanceof HexType) {
if (source.getAbstractTypeData()?.derivedFromConstant === true) {
return source.getLength() <= target.getLength();
}
return source.getLength() === target.getLength();
} else if (target instanceof XStringType) {
return false;
} else if (target instanceof IntegerType || target instanceof Integer8Type) {
if (source.getAbstractTypeData()?.derivedFromConstant === true) {
return true;
}
return false;
}
} else if (source instanceof DateType || source instanceof TimeType) {
if (target instanceof CharacterType || target instanceof StringType) {
return false;
}
} else if (source instanceof StringType) {
if (target instanceof StructureType && this.structureContainsString(target)) {
return false;
} else if (target instanceof CharacterType) {
if (source.getAbstractTypeData()?.derivedFromConstant === true) {
return true;
}
return false;
} else if (target instanceof IntegerType) {
if (source.getAbstractTypeData()?.derivedFromConstant === true) {
return true;
}
return false;
} else if (target instanceof CGenericType
|| target instanceof GenericObjectReferenceType) {
return false;
} else if (target instanceof XSequenceType || target instanceof XStringType) {
if (source.getAbstractTypeData()?.derivedFromConstant === true) {
return true;
}
return false;
} else if (target instanceof TableType
|| target instanceof DataReference
|| target instanceof ObjectReferenceType) {
return false;
}
return true;
} else if (source instanceof StructureType) {
if (target instanceof StructureType) {
const sourceComponents = source.getComponents();
const targetComponents = target.getComponents();
if (sourceComponents.length !== targetComponents.length) {
return false;
}
for (let i = 0; i < sourceComponents.length; i++) {
if (this.isAssignableStrict(sourceComponents[i].type, targetComponents[i].type) === false) {
return false;
}
}
return true;
} else if (target instanceof SimpleType) {
return this.isCharLikeStrict(source);
} else if (target instanceof CLikeType) {
return this.isCharLikeStrict(source);
} else if (target instanceof VoidType
|| target instanceof AnyType
|| target instanceof DataType
|| target instanceof UnknownType) {
return true;
}
return false;
} else if (source instanceof Integer8Type) {
if (target instanceof IntegerType || target instanceof StringType) {
return false;
}
} else if (source instanceof IntegerType) {
if (target instanceof StringType
|| target instanceof DateType
|| target instanceof CharacterType) {
return false;
} else if (target instanceof Integer8Type || target instanceof PackedType) {
if (source.getAbstractTypeData()?.derivedFromConstant === true) {
return true;
}
return false;
}
} else if (source instanceof PackedType && target instanceof PackedType) {
return source.getLength() === target.getLength()
&& source.getDecimals() === target.getDecimals();
} else if (source instanceof FloatType) {
if (target instanceof IntegerType) {
return false;
}
} else if (source instanceof GenericObjectReferenceType) {
if (target instanceof ObjectReferenceType
|| target instanceof StringType
|| target instanceof CharacterType
|| target instanceof TableType
|| target instanceof CLikeType) {
return false;
}
} else if (source instanceof ObjectReferenceType) {
if (target instanceof XSequenceType
|| target instanceof IntegerType
|| target instanceof StructureType
|| target instanceof TableType
|| target instanceof XStringType) {
return false;
}
} else if (source instanceof XStringType) {
if (target instanceof CharacterType
|| target instanceof CLikeType
|| target instanceof IntegerType
|| target instanceof StringType
|| target instanceof ObjectReferenceType
|| target instanceof HexType) {
return false;
}
} else if (source instanceof TableType) {
if (source.getRowType() instanceof AnyType) {
// then its a generic table, todo: add top level generic table type?
return true;
} else if (target instanceof TableType && target.getRowType() instanceof AnyType) {
// then its a generic table, todo: add top level generic table type?
return true;
} else if (target instanceof TableType) {
const sourceKeyType = source.getOptions().keyType;
const targetKeyType = target.getOptions().keyType;
if (sourceKeyType !== targetKeyType
&& sourceKeyType !== TableKeyType.user
&& targetKeyType !== TableKeyType.user) {
return false;
}
if (sourceKeyType === TableKeyType.empty && targetKeyType !== TableKeyType.empty
&& !(target.getRowType() instanceof AnyType)) {
return false;
}
return this.isAssignableStrict(source.getRowType(), target.getRowType());
} else if (target instanceof UnknownType
|| target instanceof AnyType
|| target instanceof VoidType) {
return true;
}
}
return this.isAssignable(source, target);
}
// Typing with the classic STRUCTURE addition, ie. "FORM foo USING bar STRUCTURE zkey",
// is not a compatibility check: ABAP only checks the fragment view up to the end of the
// formal structure, so the actual parameter is allowed to be longer. For TABLES parameters
// the table key is not part of the check at all.
public isAssignableStructureTyping(source: AbstractType | undefined,
target: AbstractType | undefined,
node?: ExpressionNode): boolean {
if (source instanceof StructureType && target instanceof StructureType) {
const sourceComponents = source.getComponents();
const targetComponents = target.getComponents();
if (sourceComponents.length < targetComponents.length) {
return false;
}
for (let i = 0; i < targetComponents.length; i++) {
if (this.isAssignableStrict(sourceComponents[i].type, targetComponents[i].type) === false) {
return false;
}
}
return true;
} else if (source instanceof TableType && target instanceof TableType) {
return this.isAssignableStructureTyping(source.getRowType(), target.getRowType());
}
return this.isAssignableStrict(source, target, node);
}
public isAssignable(source: AbstractType | undefined, target: AbstractType | undefined): boolean {
if (source === undefined || target === undefined) {
return true;
}
/*
console.dir(source);
console.dir(target);
*/
if (source instanceof UTCLongType || target instanceof UTCLongType) {
return this.isUTCLongAssignable(source, target);
}
if (target instanceof TableType) {
if (target.isWithHeader()) {
return this.isAssignable(source, target.getRowType());
}
if (source instanceof VoidType
|| source instanceof AnyType
|| source instanceof DataType
|| source instanceof UnknownType) {
return true;
} else if (source instanceof TableType) {
const targetRowType = target.getRowType();
const sourceRowType = source.getRowType();
if (targetRowType instanceof VoidType || targetRowType instanceof AnyType || targetRowType instanceof UnknownType) {
return true;
} else if (sourceRowType instanceof VoidType || sourceRowType instanceof AnyType || sourceRowType instanceof UnknownType) {
return true;
}
if (targetRowType instanceof StructureType
&& this.structureContainsString(targetRowType)) {
if (!(sourceRowType instanceof StructureType)) {
return false;
} else if (!this.structureContainsString(sourceRowType)
&& this.structureContainsVoid(sourceRowType) === false) {
return false;
}
} else if (sourceRowType instanceof StructureType
&& this.structureContainsString(sourceRowType)) {
if (!(targetRowType instanceof StructureType)) {
return false;
} else if (!this.structureContainsString(targetRowType)
&& this.structureContainsVoid(targetRowType) === false) {
return false;
}
}
return true;
}
return false;
} else if (target instanceof ObjectReferenceType && source instanceof ObjectReferenceType) {
return this.isOOAssignable(source, target);
} else if (target instanceof ObjectReferenceType
|| target instanceof GenericObjectReferenceType) {
if (source instanceof ObjectReferenceType
|| source instanceof GenericObjectReferenceType
|| source instanceof VoidType
|| source instanceof DataType
|| source instanceof AnyType
|| source instanceof UnknownType) {
return true;
}
return false;
} else if (target instanceof DataReference) {
if (source instanceof DataReference
|| source instanceof VoidType
|| source instanceof DataType
|| source instanceof AnyType
|| source instanceof UnknownType) {
return true;
}
return false;
} else if (target instanceof StructureType) {
if (source instanceof TableType && source.isWithHeader()) {
return this.isAssignable(source.getRowType(), target);
} else if (source instanceof VoidType
|| source instanceof AnyType
|| source instanceof DataType
|| source instanceof UnknownType) {
return true;
} else if (source instanceof StructureType) {
const targetDeep = this.structureContainsString(target);
const sourceDeep = this.structureContainsString(source);
if (targetDeep && !sourceDeep) {
return false;
}
const targetComponents = target.getComponents();
const sourceComponents = source.getComponents();
if (targetComponents.length !== sourceComponents.length) {
if (targetDeep === true || sourceDeep === true) {
return false;
}
}
for (let i = 0; i < targetComponents.length; i++) {
if (sourceComponents[i] === undefined) {
continue;
}
// hmm
if (sourceComponents[i].type instanceof StringType && !(targetComponents[i].type instanceof StringType)) {
return false;
} else if (!(sourceComponents[i].type instanceof StringType) && targetComponents[i].type instanceof StringType) {
return false;
}
}
return true;
} else if (target.containsVoid() === true) {
return true;
} else if (source instanceof StringType && this.structureContainsString(target)) {
return false;
} else if (source instanceof IntegerType) {
return false;
} else if (this.isCharLike(target) && this.isCharLike(source)) {
return true;
}
return false;
} else if (target instanceof IntegerType
|| target instanceof CharacterType
|| target instanceof StringType) {
if (source instanceof TableType && source.isWithHeader() === false) {
return false;
} else if ((target instanceof StringType || target instanceof CharacterType)
&& source instanceof StructureType
&& this.isCharLike(source)) {
if (this.structureContainsString(source) === true) {
return false;
}
return true;
} else if (source instanceof StructureType) {
return this.isCharLikeStrict(source);
} else if (source instanceof DataReference
|| source instanceof ObjectReferenceType
|| source instanceof GenericObjectReferenceType) {
return false;
}
return true;
} else if (target instanceof SimpleType) {
if (source instanceof ObjectReferenceType
|| source instanceof TableType) {
return false;
}
}
return true;
}
// utclong can only be converted to and from character like types
private isUTCLongAssignable(source: AbstractType, target: AbstractType): boolean {
if (this.isGenericOrVoid(source) || this.isGenericOrVoid(target)) {
return true;
} else if (source instanceof UTCLongType && target instanceof UTCLongType) {
return true;
} else if (source instanceof UTCLongType) {
return this.isTextLike(target);
}
return this.isTextLike(source);
}
private isGenericOrVoid(type: AbstractType): boolean {
return type instanceof VoidType
|| type instanceof AnyType
|| type instanceof DataType
|| type instanceof UnknownType;
}
private isTextLike(type: AbstractType): boolean {
return type instanceof CharacterType
|| type instanceof StringType
|| type instanceof CLikeType
|| type instanceof CSequenceType
|| type instanceof CGenericType
|| type instanceof SimpleType;
}
}
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