Files
Ra3ModXmlExt/src/features/diagnostics.ts
T
2026-08-01 14:30:14 +02:00

348 lines
10 KiB
TypeScript

import * as vscode from "vscode";
import { dirname } from "node:path";
import { LineMap, parseXml, type XmlElement } from "../language/xmlParser";
import { resolveElementType } from "../language/typeContext";
import { resolveSource, buildSearchPaths } from "../indexer/includeResolver";
import * as model from "../model/schemaModel";
import type { ModWorkspace } from "../workspace";
import type { ModIndex } from "../indexer/types";
import {
isReferenceAttributeOfType,
resolveReferenceTargetsForType,
} from "../indexer/refs";
export class Ra3Diagnostics {
private collection: vscode.DiagnosticCollection;
constructor(private ws: ModWorkspace) {
this.collection = vscode.languages.createDiagnosticCollection("ra3modxml");
}
async update(document: vscode.TextDocument): Promise<void> {
const idx = this.ws.index;
if (!idx) {
this.collection.set(document.uri, []);
return;
}
const text = document.getText();
const lineMap = new LineMap(text);
const doc = parseXml(text);
const diags: vscode.Diagnostic[] = [];
for (const err of doc.errors) {
diags.push(
this.diag(
new vscode.Range(
new vscode.Position(err.line, err.character),
new vscode.Position(err.line, err.character + 1),
),
err.message,
vscode.DiagnosticSeverity.Error,
"xml-syntax",
),
);
}
if (doc.root) {
this.checkElements(doc.root, doc, lineMap, idx, document, diags);
}
this.collection.set(document.uri, diags);
}
clear(uri: vscode.Uri): void {
this.collection.delete(uri);
}
dispose(): void {
this.collection.dispose();
}
private checkElements(
root: XmlElement,
doc: { elements: XmlElement[] },
lineMap: LineMap,
idx: ModIndex,
document: vscode.TextDocument,
diags: vscode.Diagnostic[],
): void {
const settings = this.ws.settings;
const fileDuplicates = new Map<string, { line: number }>();
for (const el of doc.elements) {
const local = localName(el.name);
const isTopLevel = el.parent === root && !["Tags", "Includes", "Defines"].includes(local);
const range = tagRange(document, el);
// Top-level assets must have an id.
if (isTopLevel) {
const idAttr = el.attrs.find((a) => a.name === "id");
if (!idAttr || !idAttr.value) {
diags.push(
this.diag(
range,
`Top-level asset <${local}> requires an id attribute`,
vscode.DiagnosticSeverity.Error,
"missing-id",
),
);
} else {
const key = `${local.toLowerCase()}:${idAttr.value.toLowerCase()}`;
const prev = fileDuplicates.get(key);
if (prev) {
const where = new vscode.Range(
document.positionAt(idAttr.valueStart),
document.positionAt(idAttr.valueEnd),
);
diags.push(
this.diag(
where,
`Duplicate id "${idAttr.value}" for <${local}> (also defined on line ${prev.line})`,
vscode.DiagnosticSeverity.Error,
"duplicate-id",
),
);
} else {
fileDuplicates.set(key, { line: lineMap.positionAt(el.start).line + 1 });
}
this.checkCrossFileDuplicate(
local,
idAttr.value,
document,
idx,
diags,
);
}
}
// Elements outside the EA asset namespace (e.g. XInclude <xi:include>)
// are not part of the RA3 XSD model; skip their validation entirely.
const isXsdElement = model.isXsdElementName(el.name);
// Unknown element.
if (settings.diagnoseUnknownElements && isXsdElement) {
const knownType = model.elementTypeName(local);
if (!knownType) {
diags.push(
this.diag(
range,
`Unknown element <${local}> (not in the RA3 XSD model)`,
vscode.DiagnosticSeverity.Warning,
"unknown-element",
),
);
}
}
// Attributes.
if (isXsdElement) {
const elType = resolveElementType(el);
const knownAttrs = model.attributesOfType(elType);
const knownNames = new Set(knownAttrs.map((a) => a.name));
for (const attr of el.attrs) {
const aName = attr.name;
// Namespace declarations and prefixed attributes (xai:, xi:,
// xlink:, xml:, xsi:, xmlns:*) are not defined by the EA XSD.
if (aName.startsWith("xmlns") || !model.isXsdAttributeName(aName)) {
continue;
}
if (settings.diagnoseUnknownElements && !knownNames.has(aName)) {
diags.push(
this.diag(
new vscode.Range(
document.positionAt(attr.nameStart),
document.positionAt(attr.nameEnd),
),
`Unknown attribute "${aName}" for <${local}>`,
vscode.DiagnosticSeverity.Warning,
"unknown-attribute",
),
);
}
if (!attr.hasValue) continue;
this.checkValueReferences(
elType,
attr.name,
attr.value,
attr,
document,
idx,
diags,
);
}
}
// Include-specific checks.
if (local === "Include") {
this.checkInclude(el, document, idx, diags);
}
}
}
private checkCrossFileDuplicate(
type: string,
id: string,
document: vscode.TextDocument,
idx: ModIndex,
diags: vscode.Diagnostic[],
): void {
const byType = idx.assets.get(type);
const defs = byType?.get(id.toLowerCase());
if (!defs || defs.length < 2) return;
const self = defs.filter(
(d) =>
d.origin === "project" &&
!d.viaInstance &&
d.file.toLowerCase() === document.uri.fsPath.toLowerCase(),
);
if (!self.length) return;
const others = defs.filter(
(d) =>
d.origin === "project" &&
!d.viaInstance &&
d.file.toLowerCase() !== document.uri.fsPath.toLowerCase() &&
d.stream === self[0].stream,
);
for (const other of others) {
const range = self[0].line > 0
? new vscode.Range(new vscode.Position(self[0].line - 1, 0), new vscode.Position(self[0].line - 1, 1))
: new vscode.Range(0, 0, 0, 1);
diags.push(
this.diag(
range,
`Duplicate id "${id}" for <${type}> (also defined in ${other.file})`,
vscode.DiagnosticSeverity.Error,
"duplicate-id",
),
);
}
}
private checkValueReferences(
elType: string | null,
attrName: string,
value: string,
attr: { valueStart: number; valueEnd: number },
document: vscode.TextDocument,
idx: ModIndex,
diags: vscode.Diagnostic[],
): void {
if (!value) return;
const range = new vscode.Range(
document.positionAt(attr.valueStart),
document.positionAt(attr.valueEnd),
);
// Undefined $DEFINE references.
const defineRe = /\$([A-Za-z_][A-Za-z0-9_]*)/g;
let m: RegExpExecArray | null;
while ((m = defineRe.exec(value)) !== null) {
if (!idx.defines.has(m[1].toLowerCase())) {
diags.push(
this.diag(
range,
`Undefined define "$${m[1]}"`,
vscode.DiagnosticSeverity.Warning,
"undefined-define",
),
);
}
}
if (value.startsWith("$") || value.startsWith("=")) return;
const severity = this.ws.settings.reportUnresolvedReferences;
if (severity === "none") return;
if (!isReferenceAttributeOfType(elType, attrName)) return;
const targets = resolveReferenceTargetsForType(idx, elType, attrName, value);
if (targets.length) return;
const anyDef = idx.assetsById.has(value.toLowerCase());
const attrRef = model
.attributesOfType(elType)
.find((a) => a.name === attrName);
const expected = attrRef?.refType
? `of type \`${attrRef.refType}\``
: attrRef?.isRef
? "of the expected declared type"
: "matching";
diags.push(
this.diag(
range,
anyDef
? `Reference "${value}" has no definition ${expected} (ids with the same name exist for other types)`
: `Unresolved reference "${value}" (not found in the current index)`,
severity === "warning"
? vscode.DiagnosticSeverity.Warning
: vscode.DiagnosticSeverity.Information,
"unresolved-reference",
),
);
}
private checkInclude(
el: XmlElement,
document: vscode.TextDocument,
idx: ModIndex,
diags: vscode.Diagnostic[],
): void {
const typeAttr = el.attrs.find((a) => a.name === "type");
const sourceAttr = el.attrs.find((a) => a.name === "source");
if (typeAttr?.hasValue && !["reference", "instance", "all"].includes(typeAttr.value)) {
diags.push(
this.diag(
new vscode.Range(
document.positionAt(typeAttr.valueStart),
document.positionAt(typeAttr.valueEnd),
),
`Invalid Include type "${typeAttr.value}" (expected reference, instance or all)`,
vscode.DiagnosticSeverity.Error,
"include-type",
),
);
}
if (!sourceAttr?.hasValue) return;
const resolved = resolveSource(
sourceAttr.value,
dirname(document.uri.fsPath),
buildSearchPaths(idx.sdkDir, idx.projectDir),
);
if (!resolved.path && !idx.sourceCandidates.some((c) => c.source === sourceAttr.value)) {
diags.push(
this.diag(
new vscode.Range(
document.positionAt(sourceAttr.valueStart),
document.positionAt(sourceAttr.valueEnd),
),
`Include target not found: ${sourceAttr.value}`,
vscode.DiagnosticSeverity.Warning,
"include-not-found",
),
);
}
}
private diag(
range: vscode.Range,
message: string,
severity: vscode.DiagnosticSeverity,
code: string,
): vscode.Diagnostic {
const d = new vscode.Diagnostic(range, message, severity);
d.code = code;
d.source = "RA3 Mod XML";
return d;
}
}
function localName(tag: string): string {
const idx = tag.lastIndexOf(":");
return idx >= 0 ? tag.slice(idx + 1) : tag;
}
function tagRange(document: vscode.TextDocument, el: XmlElement): vscode.Range {
return new vscode.Range(
document.positionAt(el.start),
document.positionAt(el.startTagEnd),
);
}