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import {MethodDef} from "../2_statements/statements";
import * as Expressions from "../2_statements/expressions";
import {MethodParameters} from "./method_parameters";
import {Visibility} from "../4_file_information/visibility";
import {Identifier} from "../4_file_information/_identifier";
import {IMethodDefinition} from "./_method_definition";
import {ReferenceType} from "../5_syntax/_reference";
import {SyntaxInput, syntaxIssue} from "../5_syntax/_syntax_input";
export class MethodDefinition extends Identifier implements IMethodDefinition {
private readonly visibility: Visibility;
private readonly parameters: MethodParameters;
private readonly redefinition: boolean;
private readonly eventHandler: boolean;
private readonly eventName: string | undefined;
private readonly eventClass: string | undefined;
private readonly abstract: boolean;
private readonly static: boolean;
private readonly raising: string[];
private readonly exceptions: string[];
private readonly className: string;
// todo: final flag
public constructor(node: StatementNode, visibility: Visibility, input: SyntaxInput) {
if (!(node.get() instanceof MethodDef)) {
throw new Error("MethodDefinition, expected MethodDef as part of input node");
}
const found = node.findDirectExpression(Expressions.MethodName);
if (found === undefined) {
throw new Error("MethodDefinition, expected MethodDef as part of input node");
}
super(found.getFirstToken(), input.filename);
this.className = input.scope.getName();
this.redefinition = false;
if (node.findDirectExpression(Expressions.Redefinition)) {
this.redefinition = true;
const name = found.getFirstToken().getStr();
if (name.includes("~")) {
const idef = input.scope.findInterfaceDefinition(name.split("~")[0]);
if (idef) {
input.scope.addReference(found.getFirstToken(), idef, ReferenceType.ObjectOrientedReference, input.filename);
}
}
}
this.eventHandler = false;
const handler = node.findDirectExpression(Expressions.EventHandler);
if (handler) {
this.eventHandler = true;
this.eventName = handler.findDirectExpression(Expressions.EventName)?.concatTokens().toUpperCase();
this.eventClass = handler.findDirectExpression(Expressions.ClassName)?.concatTokens().toUpperCase();
}
this.abstract = false;
if (node.findDirectExpression(Expressions.Abstract)) {
this.abstract = true;
}
this.static = false;
// checks for "CLASS-METHODS"
if (node.getFirstToken().getStr().toUpperCase().startsWith("CLASS")) {
this.static = true;
}
this.raising = [];
this.checkRaisingParameter(node, input);
for (const r of node.findDirectExpression(Expressions.MethodDefRaising)?.findAllExpressions(Expressions.ClassName) || []) {
const token = r.getFirstToken();
const name = token.getStr();
this.raising.push(name);
const clas = input.scope.findClassDefinition(name);
if (clas) {
input.scope.addReference(token, clas, ReferenceType.ObjectOrientedReference, input.filename, {ooName: name.toUpperCase(), ooType: "CLAS"});
} else if (input.scope.getDDIC().inErrorNamespace(name) === false) {
input.scope.addReference(token, clas, ReferenceType.ObjectOrientedVoidReference, input.filename, {ooName: name.toUpperCase(), ooType: "CLAS"});
} else {
input.scope.addReference(token, clas, ReferenceType.ObjectOrientedUnknownReference, input.filename, {ooName: name.toUpperCase(), ooType: "CLAS"});
}
}
this.exceptions = [];
for (const r of node.findDirectExpression(Expressions.MethodDefExceptions)?.findAllExpressions(Expressions.NamespaceSimpleName) || []) {
const token = r.getFirstToken();
const name = token.getStr();
this.exceptions.push(name);
}
this.visibility = visibility;
this.parameters = new MethodParameters(node, input, this.abstract);
}
// A system reads a parameter named RAISING as the RAISING addition, measured on 758:
// "IMPORTING a TYPE i raising TYPE i" fails with 'Type "TYPE" is unknown'
private checkRaisingParameter(node: StatementNode, input: SyntaxInput): void {
const raising = node.findDirectExpression(Expressions.MethodDefRaising);
const first = raising?.getChildren()[1];
if (raising === undefined
|| first === undefined
|| !(first.get() instanceof Expressions.ClassName)
|| ["TYPE", "LIKE"].includes(first.getFirstToken().getStr().toUpperCase()) === false) {
return;
}
if (node.findDirectExpression(Expressions.MethodDefImporting) === undefined
&& node.findDirectExpression(Expressions.MethodDefExporting) === undefined
&& node.findDirectExpression(Expressions.MethodDefChanging) === undefined) {
return;
}
const token = raising.getFirstToken();
const message = "Parameter \"" + token.getStr() + "\" is read as the RAISING addition, rename it or escape it as !" + token.getStr();
input.issues.push(syntaxIssue(input, token, message));
}
public getVisibility(): Visibility {
return this.visibility;
}
public getClassName(): string {
return this.className;
}
public isRedefinition(): boolean {
return this.redefinition;
}
public isAbstract(): boolean {
return this.abstract;
}
public isStatic(): boolean {
return this.static;
}
public isEventHandler(): boolean {
return this.eventHandler;
}
public getEventName(): string | undefined {
return this.eventName;
}
public getEventClass(): string | undefined {
return this.eventClass;
}
public getParameters(): MethodParameters {
return this.parameters;
}
public getRaising(): readonly string[] {
return this.raising;
}
public getExceptions(): readonly string[] {
return this.exceptions;
}
} |