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import {ABAPRelease} from "../../version";
import {BuiltIn} from "./_builtin";
import {DDIC} from "../../ddic";
import {Position} from "../../position";
import {SpaghettiScope, SpaghettiScopeNode} from "./spaghetti_scope";
import {AbstractToken} from "../1_lexer/tokens/abstract_token";
import {Identifier} from "../4_file_information/_identifier";
import {ScopeType} from "./_scope_type";
import {IRegistry} from "../../_iregistry";
import {IClassDefinition} from "../types/_class_definition";
import {IInterfaceDefinition} from "../types/_interface_definition";
import {IFormDefinition} from "../types/_form_definition";
import {IScopeIdentifier} from "./_spaghetti_scope";
import {ReferenceType, IReferenceExtras} from "./_reference";
import {IObject} from "../../objects/_iobject";
import {Class} from "../../objects/class";
import {Interface} from "../../objects/interface";
import {EnhancementSpot} from "../../objects/enhancement_spot";
import {TypePool} from "../../objects/type_pool";
import {SyntaxLogic} from "./syntax";
import {IDDICReferences} from "../../_iddic_references";
import {FunctionGroup} from "../../objects";
import {IMSAGReferences} from "../../_imsag_references";
export class CurrentScope {
protected readonly reg: IRegistry;
protected current: SpaghettiScopeNode | undefined;
protected allowHeaderUse: string | undefined;
protected parentObj: IObject;
private readonly localFriends: Map<string, string[]> = new Map();
public static buildDefault(reg: IRegistry, obj: IObject): CurrentScope {
const s = new CurrentScope(reg, obj);
s.push(ScopeType.BuiltIn, ScopeType.BuiltIn, new Position(1, 1), BuiltIn.filename);
this.addBuiltIn(s, reg.getConfig().getSyntaxSetttings().globalConstants!);
let name: string = ScopeType.Global;
if (obj) {
name = name + "_" + obj.getName();
}
s.push(ScopeType.Global, name, new Position(1, 1), name);
return s;
}
private static addBuiltIn(s: CurrentScope, extras: string[]) {
const b = new BuiltIn();
const builtin = b.get(extras);
s.addList(builtin);
for (const t of b.getTypes()) {
s.addType(t);
}
}
private constructor(reg: IRegistry, obj: IObject) {
this.current = undefined;
this.parentObj = obj;
this.reg = reg;
}
///////////////////////////
public getRelease(): ABAPRelease {
return this.reg.getConfig().getRelease();
}
public getVersion() {
return this.reg.getConfig().getVersion();
}
public getLanguageVersion() {
return this.reg.getConfig().getLanguageVersion();
}
public getOpenABAP() {
return this.reg.getConfig().isOpenABAP();
}
public getRegistry(): IRegistry {
return this.reg;
}
public addType(type: TypedIdentifier | undefined) {
if (type === undefined) {
return;
}
this.addTypeNamed(type.getName(), type);
}
public addTypeNamed(name: string, type: TypedIdentifier | undefined) {
if (type === undefined) {
return;
}
if (this.current === undefined) {
return;
}
const upper = name.toUpperCase();
if (this.current.getData().types[upper] !== undefined) {
throw new Error(`Type name "${name}" already defined`);
} else if (this.isOO() && this.current.getData().vars[upper] !== undefined) {
throw new Error(`"${name}" already defined`);
}
this.current.getData().types[upper] = type;
}
public addExtraLikeType(type: TypedIdentifier | undefined) {
if (type === undefined) {
return;
}
this.addExtraLikeTypeNamed(type.getName(), type);
}
public addExtraLikeTypeNamed(name: string, type: TypedIdentifier | undefined) {
if (type === undefined) {
return;
}
if (this.current === undefined) {
return;
}
const upper = name.toUpperCase();
if (this.current.getData().extraLikeTypes[upper] !== undefined) {
throw new Error(`Type name "${name}" already defined`);
}
this.current.getData().extraLikeTypes[upper] = type;
}
public addClassDefinition(c: IClassDefinition) {
if (this.current === undefined) {
return;
}
const name = c.getName().toUpperCase();
if (this.current.getData().cdefs[name] !== undefined) {
throw new Error(`Class "${name}" already defined`);
}
this.current.getData().cdefs[name] = c;
}
public addFormDefinitions(f: readonly IFormDefinition[]) {
if (this.current === undefined) {
return;
}
this.current.getData().forms.push(...f);
}
public addInterfaceDefinition(i: IInterfaceDefinition) {
if (this.current === undefined) {
return;
}
const name = i.getName().toUpperCase();
if (this.current.getData().cdefs[name] !== undefined) {
throw new Error(`Interface "${name}" already defined`);
}
this.current.getData().idefs[name] = i;
}
public addNamedIdentifier(name: string, identifier: TypedIdentifier) {
if (this.current === undefined) {
return;
}
const upper = name.toUpperCase();
if (this.current.getData().vars[upper] !== undefined) {
// console.dir(new Error().stack);
throw new Error(`Variable name "${name}" already defined`);
} else if (this.isOO() && this.current.getData().types[upper] !== undefined) {
throw new Error(`"${name}" already defined`);
}
this.current.getData().vars[upper] = identifier;
}
public addNamedIdentifierToParent(name: string, identifier: TypedIdentifier) {
if (this.current === undefined) {
return;
}
const parent = this.current.getParent();
if (parent === undefined) {
return;
}
const upper = name.toUpperCase();
if (parent.getData().vars[upper] !== undefined) {
// console.dir(new Error().stack);
throw new Error(`Variable name "${name}" already defined`);
} else if (this.isOO() && parent.getData().types[upper] !== undefined) {
throw new Error(`"${name}" already defined`);
}
parent.getData().vars[upper] = identifier;
}
public addIdentifier(identifier: TypedIdentifier | undefined) {
if (identifier === undefined) {
return;
}
this.addNamedIdentifier(identifier.getName(), identifier);
}
public addDeferred(token: AbstractToken | undefined, type: "CLAS" | "INTF") {
if (token === undefined) {
return;
}
this.current!.getData().deferred[token.getStr().toUpperCase()] = {token, ooType: type};
}
public addListPrefix(identifiers: readonly TypedIdentifier[], prefix: string) {
for (const id of identifiers) {
this.addNamedIdentifier(prefix + id.getName(), id);
}
}
public addList(identifiers: readonly TypedIdentifier[]) {
for (const id of identifiers) {
this.addIdentifier(id);
}
}
public addReference(
usage: AbstractToken | undefined,
referencing: Identifier | undefined,
type: ReferenceType | ReferenceType[] | undefined,
filename: string,
extra?: IReferenceExtras) {
if (usage === undefined || type === undefined) {
return;
}
const position = new Identifier(usage, filename);
if (Array.isArray(type)) {
for (const t of type) {
this.current?.getData().references.push({position, resolved: referencing, referenceType: t, extra});
}
} else {
this.current?.getData().references.push({position, resolved: referencing, referenceType: type, extra});
}
}
public addSQLConversion(fieldName: string, message: string, token: AbstractToken) {
this.current?.getData().sqlConversion.push({fieldName, message, token});
}
///////////////////////////
public findFunctionModule(name: string | undefined) {
if (name === undefined) {
return undefined;
}
for (const fugr of this.reg.getObjectsByType("FUGR")) {
const func = (fugr as FunctionGroup).getModule(name);
if (func !== undefined) {
return func;
}
}
return undefined;
}
public findObjectDefinition(name: string | undefined): IClassDefinition | IInterfaceDefinition | undefined {
if (name === undefined) {
return undefined;
}
const clas = this.findClassDefinition(name);
if (clas) {
return clas;
}
const intf = this.findInterfaceDefinition(name);
if (intf) {
return intf;
}
return undefined;
}
public isBadiDef(name: string): boolean {
const upper = name.toUpperCase();
for (const enhs of this.reg.getObjectsByType("ENHS")) {
for (const def of (enhs as EnhancementSpot).listBadiDefinitions()) {
if (def.name.toUpperCase() === upper) {
return true;
}
}
}
return false;
}
public existsObject(name: string | undefined): {id: Identifier | undefined, ooType?: IReferenceExtras["ooType"], RTTIName?: string} | undefined {
if (name === undefined) {
return undefined;
}
let prefixRTTI = "";
if (this.parentObj.getType() === "PROG") {
prefixRTTI = "\\PROGRAM=" + this.parentObj.getName();
} else if (this.parentObj.getType() === "CLAS") {
prefixRTTI = "\\CLASS-POOL=" + this.parentObj.getName();
}
const findLocalClass = this.current?.findClassDefinition(name);
if (findLocalClass) {
if (findLocalClass.isGlobal() === true) {
prefixRTTI = "";
}
return {id: findLocalClass, ooType: "CLAS", RTTIName: prefixRTTI + "\\CLASS=" + findLocalClass.getName()};
}
const globalClas = this.reg.getObject("CLAS", name);
if (globalClas) {
return {id: globalClas.getIdentifier(), ooType: "CLAS", RTTIName: "\\CLASS=" + globalClas.getName()};
}
const findLocalInterface = this.current?.findInterfaceDefinition(name);
if (findLocalInterface) {
if (findLocalInterface.isGlobal() === true) {
prefixRTTI = "";
}
return {id: findLocalInterface, ooType: "INTF", RTTIName: prefixRTTI + "\\INTERFACE=" + findLocalInterface.getName()};
}
const globalIntf = this.reg.getObject("INTF", name);
if (globalIntf) {
return {id: globalIntf.getIdentifier(), ooType: "INTF", RTTIName: "\\INTERFACE=" + globalIntf.getName()};
}
const def = this.current?.findDeferred(name);
if (def !== undefined) {
let rttiName = prefixRTTI;
switch (def.ooType) {
case "INTF":
rttiName = rttiName + "\\INTERFACE=" + name;
break;
default:
rttiName = rttiName + "\\CLASS=" + name;
break;
}
return {id: def.id, ooType: def.ooType, RTTIName: rttiName};
}
return undefined;
}
///////////////////////////
/** Lookup class in local and global scope */
public findClassDefinition(name: string | undefined): IClassDefinition | undefined {
if (name === undefined) {
return undefined;
}
const clocal = this.current?.findClassDefinition(name);
if (clocal) {
return clocal;
}
const cglobal = this.reg.getObject("CLAS", name) as Class | undefined;
if (cglobal) {
return cglobal.getDefinition();
}
return undefined;
}
public findTypePoolConstant(name: string | undefined): TypedIdentifier | undefined {
if (name === undefined || name.includes("_") === false) {
return undefined;
}
const typePoolName = name.split("_")[0];
if (typePoolName.length <= 1 || typePoolName.length > 5) {
return undefined;
}
if (this.parentObj.getType() === "TYPE"
&& this.parentObj.getName().toUpperCase() === typePoolName.toUpperCase()) {
// dont recurse into itself
return undefined;
}
const typePool = this.reg.getObject("TYPE", typePoolName) as TypePool | undefined;
if (typePool === undefined) {
return undefined;
}
const spag = new SyntaxLogic(this.reg, typePool).run().spaghetti.getFirstChild()?.getFirstChild();
const found = spag?.findVariable(name);
return found;
}
public findTypePoolType(name: string): TypedIdentifier | undefined {
if (name.includes("_") === false) {
return undefined;
}
const typePoolName = name.split("_")[0];
if (typePoolName.length <= 2 || typePoolName.length > 5) {
return undefined;
}
if (this.parentObj.getType() === "TYPE"
&& this.parentObj.getName().toUpperCase() === typePoolName.toUpperCase()) {
// dont recurse into itself
return undefined;
}
if (new DDIC(this.reg).lookupNoVoid(name) !== undefined) {
// this is tricky, it should not do recursion when parsing the type pool itself,
// think about DTEL ABAP_ENCOD vs TYPE ABAP
return undefined;
}
const typePool = this.reg.getObject("TYPE", typePoolName) as TypePool | undefined;
if (typePool === undefined) {
return undefined;
}
const spag = new SyntaxLogic(this.reg, typePool).run().spaghetti.getFirstChild()?.getFirstChild();
const found = spag?.findType(name);
return found;
}
/** Lookup interface in local and global scope */
public findInterfaceDefinition(name: string | undefined): IInterfaceDefinition | undefined {
if (name === undefined) {
return undefined;
}
const ilocal = this.current?.findInterfaceDefinition(name);
if (ilocal) {
return ilocal;
}
const iglobal = this.reg.getObject("INTF", name) as Interface | undefined;
if (iglobal) {
return iglobal.getDefinition();
}
return undefined;
}
public findFormDefinition(name: string): IFormDefinition | undefined {
return this.current?.findFormDefinition(name);
}
public findType(name: string | undefined): TypedIdentifier | undefined {
if (name === undefined) {
return undefined;
}
return this.current?.findType(name);
}
public findExtraLikeType(name: string | undefined): TypedIdentifier | undefined {
if (name === undefined) {
return undefined;
}
return this.current?.findExtraLikeType(name);
}
public findVariable(name: string | undefined): TypedIdentifier | undefined {
if (name === undefined) {
return undefined;
}
const found = this.current?.findVariable(name);
if (found) {
return found;
}
return this.findTypePoolConstant(name);
}
public findReturningParameter(): TypedIdentifier | undefined {
for (const v in this.current?.getData().vars || {}) {
const variable = this.current!.getData().vars[v];
if (variable.getMeta().includes(IdentifierMeta.MethodReturning)) {
return variable;
}
}
return undefined;
}
///////////////////////////
public getDDIC(): DDIC {
return new DDIC(this.reg);
}
public getDDICReferences(): IDDICReferences {
return this.reg.getDDICReferences();
}
public getMSAGReferences(): IMSAGReferences {
return this.reg.getMSAGReferences();
}
public getParentObj(): IObject {
return this.parentObj;
}
public getName(): string {
if (this.current === undefined) {
throw new Error("error, getName");
}
return this.current.getIdentifier().sname;
}
public getType(): ScopeType {
if (this.current === undefined) {
throw new Error("error, getType");
}
return this.current.getIdentifier().stype;
}
public push(stype: ScopeType, sname: string, start: Position, filename: string): void {
const identifier: IScopeIdentifier = {stype, sname, start, filename, end: undefined};
// console.dir("push scope, " + stype);
if (this.current === undefined) {
// the top node
this.current = new SpaghettiScopeNode(identifier, undefined);
} else {
const parent = this.current;
this.current = new SpaghettiScopeNode(identifier, parent);
parent.addChild(this.current);
}
}
public isOO(): boolean {
let curr = this.current;
while (curr !== undefined) {
const stype = curr.getIdentifier().stype;
if (stype === ScopeType.ClassDefinition
// || stype === ScopeType.ClassImplementation
|| stype === ScopeType.Interface) {
return true;
}
curr = curr.getParent();
}
return false;
}
public isAnyOO(): boolean {
let curr = this.current;
while (curr !== undefined) {
const stype = curr.getIdentifier().stype;
if (stype === ScopeType.ClassDefinition
|| stype === ScopeType.ClassImplementation
|| stype === ScopeType.Interface) {
return true;
}
curr = curr.getParent();
}
return false;
}
public isInStaticMethod(): boolean {
let curr = this.current;
while (curr !== undefined) {
const stype = curr.getIdentifier().stype;
if (stype === ScopeType.MethodInstance) {
return false;
} else if (stype === ScopeType.ClassImplementation) {
return true;
}
curr = curr.getParent();
}
return false;
}
public addLocalFriend(className: string, friendName: string): void {
const key = className.toUpperCase();
const list = this.localFriends.get(key) ?? [];
list.push(friendName.toUpperCase());
this.localFriends.set(key, list);
}
public isLocalFriend(className: string, friendName: string): boolean {
return this.localFriends.get(className.toUpperCase())?.includes(friendName.toUpperCase()) === true;
}
public getEnclosingClassName(): string | undefined {
let curr = this.current;
while (curr !== undefined) {
if (curr.getIdentifier().stype === ScopeType.ClassImplementation) {
return curr.getIdentifier().sname;
}
curr = curr.getParent();
}
return undefined;
}
public isGlobalOO(): boolean {
return this.parentObj.getType() === "INTF" || this.parentObj.getType() === "CLAS";
}
public isTypePool(): boolean {
return this.current?.getIdentifier().filename.endsWith(".type.abap") === true || false;
}
public setAllowHeaderUse(name: string) {
// workaround for SELECT FOR ALL ENTRIES
this.allowHeaderUse = name;
}
public isAllowHeaderUse(name: string) {
return name.toUpperCase() === this.allowHeaderUse?.toUpperCase();
}
public pop(end: Position): SpaghettiScope {
// console.dir("pop scope, " + this.current?.getIdentifier().stype);
this.allowHeaderUse = undefined;
if (this.current === undefined) {
throw new Error("something wrong, top scope popped");
}
this.current.setEnd(end);
const current = this.current;
this.current = this.current.getParent();
return new SpaghettiScope(current);
}
}
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