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import {IRegistry} from "./_iregistry";
import {AbstractType} from "./abap/types/basic/_abstract_type";
import {Domain} from "./objects/domain";
import {DataElement} from "./objects/data_element";
import {Table} from "./objects/table";
import {TableType} from "./objects/table_type";
import * as Types from "./abap/types/basic";
import {ABAPObject} from "./objects/_abap_object";
import {InfoClassDefinition} from "./abap/4_file_information/_abap_file_information";
import {ObjectReferenceType, UnknownType, VoidType} from "./abap/types/basic";
import {View} from "./objects/view";
import {DataDefinition} from "./objects";
import {IObject} from "./objects/_iobject";
export interface ILookupResult {
type: AbstractType;
object?: IObject;
}
export class DDIC {
private readonly reg: IRegistry;
public constructor(reg: IRegistry) {
this.reg = reg;
}
// the class might be local with a local super class with a global exception class as super
// todo: returns true for both local and global exception classes
public isException(def: InfoClassDefinition | undefined, _obj: ABAPObject): boolean {
if (def === undefined) {
return false;
}
if (def.name.toUpperCase() === "CX_ROOT") {
return true;
}
let superClassName = def.superClassName;
if (superClassName === undefined) {
return false;
}
let i = 0;
// max depth, make sure not to hit cyclic super class defintions
while (i++ < 10 && superClassName !== undefined) {
const found = this.reg.getObject("CLAS", superClassName) as ABAPObject | undefined;
if (found === undefined) {
break;
}
const superDef: InfoClassDefinition | undefined = found.getMainABAPFile()?.getInfo().getClassDefinitionByName(superClassName);
if (superDef === undefined) {
break;
}
if (superDef.superClassName) {
superClassName = superDef.superClassName;
} else {
break;
}
}
// todo, this should check for "CX_ROOT"
const isException = (superClassName?.match(/^.?cx_.*$/i) || superClassName?.match(/^\/.+\/cx_.*$/i)) ? true : false;
return isException;
}
public lookupBuiltinType(name: string, length?: number, decimals?: number, qualifiedName?: string): AbstractType | undefined {
switch (name) {
case "STRING":
return Types.StringType.get({qualifiedName: qualifiedName || name});
case "XSTRING":
return Types.XStringType.get({qualifiedName: qualifiedName || name});
case "D":
/*
if (length && length > 0) {
throw new Error("Length for type D not possible");
} else if (decimals && decimals > 0) {
throw new Error("Decimals for type D not possible");
}
*/
return new Types.DateType({qualifiedName: qualifiedName || name});
case "T":
/*
if (length && length > 0) {
throw new Error("Length for type T not possible");
} else if (decimals && decimals > 0) {
throw new Error("Decimals for type T not possible");
}
*/
return new Types.TimeType({qualifiedName: qualifiedName || name});
case "XSEQUENCE":
return new Types.XSequenceType({qualifiedName: qualifiedName});
case "CLIKE":
return Types.CLikeType.get();
case "DECFLOAT":
return new Types.DecFloatType({qualifiedName: qualifiedName});
case "ANY":
return Types.AnyType.get({qualifiedName: qualifiedName});
case "SIMPLE":
return Types.SimpleType.get();
case "%_C_POINTER":
return new Types.HexType(8, qualifiedName);
case "TABLE":
return new Types.TableType(Types.AnyType.get(), {withHeader: false, keyType: Types.TableKeyType.default});
case "DATA":
return new Types.DataType({qualifiedName: qualifiedName});
case "NUMERIC":
return new Types.NumericGenericType({qualifiedName: qualifiedName});
case "UTCLONG": // todo, take version into account
return new Types.UTCLongType({qualifiedName: qualifiedName});
case "DECFLOAT16":
return new Types.DecFloat16Type({qualifiedName: qualifiedName});
case "DECFLOAT34":
return new Types.DecFloat34Type({qualifiedName: qualifiedName});
case "CSEQUENCE":
return new Types.CSequenceType({qualifiedName: qualifiedName});
case "I":
return Types.IntegerType.get({qualifiedName: qualifiedName || name});
case "INT8": // todo, take version into account
return new Types.Integer8Type({qualifiedName: qualifiedName || name});
case "F":
/*
if (length && length > 0) {
throw new Error("Length for type F not possible");
} else if (decimals && decimals > 0) {
throw new Error("Decimals for type F not possible");
}
*/
return new Types.FloatType({qualifiedName: qualifiedName || name});
case "P":
if (length && decimals) {
return new Types.PackedType(length, decimals, {qualifiedName: qualifiedName});
} else if (length) {
return new Types.PackedType(length, 0, {qualifiedName: qualifiedName});
} else {
return new Types.PackedType(8, decimals ?? 0, {qualifiedName: qualifiedName});
}
case "C":
if (length) {
return new Types.CharacterType(length, {qualifiedName: qualifiedName});
} else {
return new Types.CharacterType(1, {qualifiedName: qualifiedName});
}
case "X":
if (length) {
return new Types.HexType(length, qualifiedName);
} else {
return new Types.HexType(1, qualifiedName);
}
case "N":
if (length) {
return new Types.NumericType(length, qualifiedName);
} else {
return new Types.NumericType(1, qualifiedName);
}
}
return undefined;
}
public inErrorNamespace(name: string | undefined): boolean {
if (name === undefined) {
return true;
}
return this.reg.inErrorNamespace(name);
}
public lookupObject(name: string): ILookupResult {
const clas = this.reg.getObject("CLAS", name);
const globalClas = clas?.getIdentifier();
if (globalClas) {
return {
type: new ObjectReferenceType(globalClas, {qualifiedName: name, RTTIName: "\\CLASS=" + name}),
object: clas,
};
}
const intf = this.reg.getObject("INTF", name);
const globalIntf = intf?.getIdentifier();
if (globalIntf) {
return {
type: new ObjectReferenceType(globalIntf, {qualifiedName: name, RTTIName: "\\INTERFACE=" + name}),
object: intf,
};
}
if (this.inErrorNamespace(name) === true) {
return {type: new UnknownType(name)};
} else {
return {type: VoidType.get(name)};
}
}
public lookupNoVoid(name: string): ILookupResult | undefined {
const foundTABL = this.reg.getObject("TABL", name) as Table | undefined;
if (foundTABL) {
return {type: foundTABL.parseType(this.reg), object: foundTABL};
}
const foundVIEW = this.reg.getObject("VIEW", name) as Table | undefined;
if (foundVIEW) {
return {type: foundVIEW.parseType(this.reg), object: foundVIEW};
}
const foundTTYP = this.reg.getObject("TTYP", name) as TableType | undefined;
if (foundTTYP) {
return {type: foundTTYP.parseType(this.reg), object: foundTTYP};
}
const foundDTEL = this.reg.getObject("DTEL", name) as DataElement | undefined;
if (foundDTEL) {
return {type: foundDTEL.parseType(this.reg), object: foundDTEL};
}
const foundDDLS = this.lookupDDLS(name);
if (foundDDLS) {
return foundDDLS;
}
return undefined;
}
public lookupDDLS(name?: string) {
if (name === undefined) {
return undefined;
}
const upper = name.toUpperCase();
for (const obj of this.reg.getObjectsByType("DDLS")) {
const ddls = obj as DataDefinition;
if (ddls.getSQLViewName() === upper || ddls.getDefinitionName()?.toUpperCase() === upper) {
return {type: ddls.parseType(this.reg), object: ddls};
}
}
return undefined;
}
/** lookup with voiding and unknown types */
public lookup(name: string): ILookupResult {
const found = this.lookupNoVoid(name);
if (found) {
return found;
}
if (this.reg.inErrorNamespace(name)) {
return {type: new Types.UnknownType(name + " not found, lookup")};
} else {
return {type: Types.VoidType.get(name)};
}
}
public lookupDomain(name: string, dataElement?: string, description?: string): ILookupResult {
const found = this.reg.getObject("DOMA", name) as Domain | undefined;
if (found) {
return {type: found.parseType(this.reg, dataElement, description), object: found};
} else if (this.reg.inErrorNamespace(name)) {
return {type: new Types.UnknownType(name + ", lookupDomain"), object: undefined};
} else {
return {type: Types.VoidType.get(name), object: undefined};
}
}
public lookupDataElement(name: string | undefined): ILookupResult {
if (name === undefined) {
return {type: new Types.UnknownType("undefined, lookupDataElement")};
}
const found = this.reg.getObject("DTEL", name) as DataElement | undefined;
if (found) {
return {type: found.parseType(this.reg), object: found};
} else if (this.reg.inErrorNamespace(name)) {
return {type: new Types.UnknownType(name + " not found, lookupDataElement")};
} else {
return {type: Types.VoidType.get(name)};
}
}
public lookupTableOrView(name: string | undefined): ILookupResult {
if (name === undefined) {
return {type: new Types.UnknownType("undefined, lookupTableOrView")};
}
const foundTABL = this.reg.getObject("TABL", name) as Table | undefined;
if (foundTABL) {
return {type: foundTABL.parseType(this.reg), object: foundTABL};
}
const foundDDLS = this.lookupDDLS(name);
if (foundDDLS) {
return foundDDLS;
}
return this.lookupView(name);
}
/** this method only looks up the object, does not parse the type */
public lookupTableOrView2(name: string | undefined): Table | DataDefinition | View | undefined {
if (name === undefined) {
return undefined;
}
const foundTABL = this.reg.getObject("TABL", name) as Table | undefined;
if (foundTABL) {
return foundTABL;
}
const foundVIEW = this.reg.getObject("VIEW", name) as View | undefined;
if (foundVIEW) {
return foundVIEW;
}
const foundDDLS = this.lookupDDLS(name);
if (foundDDLS) {
return foundDDLS.object;
}
return undefined;
}
public lookupTable(name: string | undefined): AbstractType {
if (name === undefined) {
return new Types.UnknownType("undefined, lookupTable");
}
const found = this.reg.getObject("TABL", name) as Table | undefined;
if (found) {
return found.parseType(this.reg);
} else if (this.reg.inErrorNamespace(name)) {
return new Types.UnknownType(name + " not found, lookupTable");
} else {
return Types.VoidType.get(name);
}
}
private lookupView(name: string | undefined): ILookupResult {
if (name === undefined) {
return {type: new Types.UnknownType("undefined, lookupView")};
}
const found = this.reg.getObject("VIEW", name) as Table | undefined;
if (found) {
return {type: found.parseType(this.reg), object: found};
} else if (this.reg.inErrorNamespace(name)) {
return {type: new Types.UnknownType(name + " not found, lookupView")};
} else {
return {type: Types.VoidType.get(name)};
}
}
public lookupTableType(name: string | undefined): ILookupResult {
if (name === undefined) {
return {type: new Types.UnknownType("undefined, lookupTableType")};
}
const found = this.reg.getObject("TTYP", name) as TableType | undefined;
if (found) {
return {type: found.parseType(this.reg), object: found};
} else if (this.reg.inErrorNamespace(name)) {
return {type: new Types.UnknownType(name + " not found, lookupTableType")};
} else {
return {type: Types.VoidType.get(name)};
}
}
public textToType(input: {
text: string | undefined,
length: string | undefined,
decimals: string | undefined,
infoText: string,
qualifiedName?: string,
conversionExit?: string,
ddicName?: string,
description?: string,
}): AbstractType {
// todo: support short strings, and length of different integers, NUMC vs CHAR, min/max length
const extra = {
qualifiedName: input.qualifiedName,
conversionExit: input.conversionExit,
ddicName: input.ddicName,
description: input.description,
};
switch (input.text) {
case "DEC": // 1 <= len <= 31
case "D16F": // 1 <= len <= 31
case "D16D":
case "D34D":
case "D34F": // 1 <= len <= 31
case "DF16_DEC": // 1 <= len <= 31
case "DF34_DEC": // 1 <= len <= 31
case "CURR": // 1 <= len <= 31
case "QUAN": { // 1 <= len <= 31
if (input.length === undefined) {
return new Types.UnknownType(input.text + " unknown length, " + input.infoText, input.infoText);
}
const packedLength = Math.ceil((parseInt(input.length, 10) + 1) / 2);
const decimals = input.decimals === undefined ? 0 : parseInt(input.decimals, 10);
return new Types.PackedType(packedLength, decimals, extra);
}
case "ACCP":
return new Types.CharacterType(6, extra); // YYYYMM
case "LANG":
return new Types.CharacterType(1, extra);
case "CLNT":
return new Types.CharacterType(3, extra);
case "CUKY":
return new Types.CharacterType(5, extra);
case "UNIT": // 2 <= len <= 3
return new Types.CharacterType(3, extra);
case "UTCL":
case "UTCLONG":
return new Types.CharacterType(27, extra);
case "NUMC": // 1 <= len <= 255
if (input.length === undefined) {
return new Types.UnknownType(input.text + " unknown length", input.infoText);
}
return new Types.NumericType(parseInt(input.length, 10), input.qualifiedName);
case "CHAR": // 1 <= len <= 30000 (1333 for table fields)
case "LCHR": // 256 <= len <= 32000
if (input.length === undefined) {
return new Types.UnknownType(input.text + " unknown length", input.infoText);
}
return new Types.CharacterType(parseInt(input.length, 10), extra);
case "RAW": // 1 <= len <= 32000
case "LRAW": // 256 <= len <= 32000
if (input.length === undefined) {
return new Types.UnknownType(input.text + " unknown length", input.infoText);
}
return new Types.HexType(parseInt(input.length, 10), input.qualifiedName);
case "TIMN": // Native HANA
case "TIMS":
return new Types.TimeType({qualifiedName: input.qualifiedName}); //HHMMSS
case "DECFLOAT16": // len = 16
case "DECFLOAT34": // len = 34
case "D16R": // len = 16
case "D34R": // len = 34
case "DF16_RAW": // len = 16
case "DF34_RAW": // len = 34
case "FLTP": // len = 16
if (input.length === undefined) {
return new Types.UnknownType(input.text + " unknown length", input.infoText);
}
return new Types.FloatingPointType(parseInt(input.length, 10), input.qualifiedName);
case "DATN": // Native HANA
case "DATS":
return new Types.DateType({qualifiedName: input.qualifiedName}); //YYYYMMDD
case "INT1":
case "INT2":
case "INT4":
return Types.IntegerType.get({qualifiedName: input.qualifiedName});
case "INT8":
return new Types.Integer8Type({qualifiedName: input.qualifiedName});
case "SSTR": // 1 <= len <= 1333
case "SSTRING": // 1 <= len <= 1333
case "STRG": // 256 <= len
case "STRING": // 256 <= len
return Types.StringType.get({qualifiedName: input.qualifiedName});
case "RSTR": // 256 <= len
case "RAWSTRING": // 256 <= len
case "GEOM_EWKB":
return Types.XStringType.get({qualifiedName: input.qualifiedName});
case "D16S":
case "D34S":
case "DF16_SCL":
case "DF34_SCL":
case "PREC":
case "VARC":
return new Types.UnknownType(input.text + " is an obsolete data type", input.infoText);
default:
return new Types.UnknownType(input.text + " unknown basic ddic type", input.infoText);
}
}
}
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