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import * as LServer from "vscode-languageserver-types";
import {IRegistry} from "../_iregistry";
import {Identifier} from "../abap/4_file_information/_identifier";
import {LSPUtils} from "./_lsp_utils";
import {InfoAttribute} from "../abap/4_file_information/_abap_file_information";
import {ABAPFile} from "../abap/abap_file";
import {EndMethod} from "../abap/2_statements/statements";
import {Position} from "../position";
import * as Statements from "../abap/2_statements/statements";
import * as Expressions from "../abap/2_statements/expressions";
export class Symbols {
private readonly reg: IRegistry;
public constructor(reg: IRegistry) {
this.reg = reg;
}
public find(uri: string): LServer.DocumentSymbol[] {
const file = LSPUtils.getABAPFile(this.reg, uri);
if (file === undefined) {
return [];
}
const ret: LServer.DocumentSymbol[] = [];
ret.push(...this.outputClasses(file));
ret.push(...this.outputForms(file));
ret.push(...this.outputModules(file));
return ret;
}
private selectionRange(identifier: Identifier): LServer.Range {
const pos = identifier.getStart();
const str = identifier.getName();
return LServer.Range.create(pos.getRow() - 1, pos.getCol() - 1, pos.getRow() - 1, pos.getCol() - 1 + str.length);
}
private range(identifer: Identifier): LServer.Range {
const start = identifer.getStart();
const end = identifer.getEnd();
return LServer.Range.create(start.getRow() - 1, start.getCol() - 1, end.getRow() - 1, end.getCol() - 1);
}
private newSymbolRanged(identifier: Identifier, kind: LServer.SymbolKind, children: LServer.DocumentSymbol[], range: LServer.Range): LServer.DocumentSymbol {
const symbol: LServer.DocumentSymbol = {
name: identifier.getName(),
kind: kind,
range: range,
selectionRange: this.selectionRange(identifier),
children,
};
return symbol;
}
private newSymbol(identifier: Identifier, kind: LServer.SymbolKind, children: LServer.DocumentSymbol[]): LServer.DocumentSymbol {
const symbol: LServer.DocumentSymbol = {
name: identifier.getName(),
kind: kind,
range: this.range(identifier),
selectionRange: this.selectionRange(identifier),
children,
};
return symbol;
}
private outputForms(file: ABAPFile): LServer.DocumentSymbol[] {
const ret: LServer.DocumentSymbol[] = [];
for (const form of file.getInfo().listFormDefinitions()) {
const symbol = this.newSymbol(form.identifier, LServer.SymbolKind.Function, []);
ret.push(symbol);
}
return ret;
}
private outputModules(file: ABAPFile): LServer.DocumentSymbol[] {
const ret: LServer.DocumentSymbol[] = [];
for (const statement of file.getStatements()) {
if (statement.get() instanceof Statements.Module) {
const nameToken = statement.findFirstExpression(Expressions.FormName)?.getFirstToken();
if (nameToken === undefined) {
continue;
}
const identifier = new Identifier(nameToken, file.getFilename());
const symbol = this.newSymbol(identifier, LServer.SymbolKind.Module, []);
ret.push(symbol);
}
}
return ret;
}
private outputClasses(file: ABAPFile): LServer.DocumentSymbol[] {
const ret: LServer.DocumentSymbol[] = [];
for (const cla of file.getInfo().listClassDefinitions()) {
const children: LServer.DocumentSymbol[] = [];
children.push(...this.outputClassAttributes(cla.attributes));
const symbol = this.newSymbol(cla.identifier, LServer.SymbolKind.Class, children);
ret.push(symbol);
}
for (const cla of file.getInfo().listClassImplementations()) {
const children: LServer.DocumentSymbol[] = [];
children.push(...this.outputMethodImplementations(cla.methods, file));
const symbol = this.newSymbol(cla.identifier, LServer.SymbolKind.Class, children);
ret.push(symbol);
}
return ret;
}
private outputMethodImplementations(methods: readonly Identifier[], file: ABAPFile): LServer.DocumentSymbol[] {
const ret: LServer.DocumentSymbol[] = [];
for (const method of methods) {
const start = method.getStart();
let end: Position | undefined = undefined;
for (const s of file.getStatements()) {
if (s.getFirstToken().getStart().isBefore(start)) {
continue;
}
if (s.get() instanceof EndMethod) {
end = s.getLastToken().getEnd();
break;
}
}
if (end === undefined) {
continue;
}
const range = LServer.Range.create(start.getRow() - 1, start.getCol() - 1, end.getRow() - 1, end.getCol() - 1);
const symbol = this.newSymbolRanged(method, LServer.SymbolKind.Method, [], range);
ret.push(symbol);
}
return ret;
}
private outputClassAttributes(attr: readonly InfoAttribute[]): LServer.DocumentSymbol[] {
if (attr === undefined) {
return [];
}
const ret: LServer.DocumentSymbol[] = [];
for (const id of attr) {
ret.push(this.newSymbol(id.identifier, LServer.SymbolKind.Property, []));
}
// todo, also add constants
return ret;
}
} |