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import {AbstractToken} from "./abap/1_lexer/tokens/abstract_token";
import {Position} from "./position";
export class MacroReferences implements IMacroReferences {
private readonly definitions: {[filename: string]: {
token: AbstractToken,
start: Position,
end: Position,
}[]} = {};
private readonly references: {[filename: string]: IFilenameAndToken[]} = {};
public addDefinition(ref: IFilenameAndToken, start: Position, end: Position): void {
if (this.definitions[ref.filename] === undefined) {
this.definitions[ref.filename] = [];
} else if (this.definitions[ref.filename].find((d) => d.token.getStart().equals(ref.token.getStart()))) {
return;
}
this.definitions[ref.filename].push({token: ref.token, start, end});
}
public getDefinitionRange(filename: string, token: AbstractToken): {start: Position, end: Position} | undefined {
for (const d of this.definitions[filename] || []) {
if (d.token.getStart().equals(token.getStart())) {
return {start: d.start, end: d.end};
}
}
return undefined;
}
public addReference(ref: IFilenameAndToken): void {
if (this.references[ref.filename] === undefined) {
this.references[ref.filename] = [];
}
this.references[ref.filename].push(ref);
}
public listDefinitionsByFile(filename: string): AbstractToken[] {
const ret: AbstractToken[] = [];
for (const d of this.definitions[filename] || []) {
ret.push(d.token);
}
return ret;
}
public listUsagesbyMacro(filename: string, token: AbstractToken): IFilenameAndToken[] {
const ret: IFilenameAndToken[] = [];
const tokenStr = token.getStr().toUpperCase();
for (const ref of this.references[filename] || []) {
if (ref.token.getStr().toUpperCase() === tokenStr) {
ret.push(ref);
}
}
return ret;
}
public clear(filename: string): void {
delete this.definitions[filename];
delete this.references[filename];
}
public findDefinitionByUsage(filename: string, token: AbstractToken): {filename: string, token: AbstractToken} | undefined {
const tokenStr = token.getStr().toUpperCase();
for (const ref of this.references[filename] || []) {
if (ref.token.getStart().equals(token.getStart())) {
for (const d of this.definitions[ref.filename] || []) {
if (d.token.getStr().toUpperCase() === tokenStr) {
return {
filename: ref.filename,
token: d.token,
};
}
}
}
}
return undefined;
}
} |