move some stuff around

packages/svelte/src/compiler/index.js

@@ -20,9 +20,8 @@ export { default as preprocess } from './preprocess/index.js';
  */
 export function compile(source, options) {
 	source = remove_bom(source);
-	state.reset_warning_filter(options.warningFilter);
+	state.reset_warnings(options.warningFilter);
 	const validated = validate_component_options(options, '');
-	state.reset(source, validated);
 
 	let parsed = _parse(source);
 
@@ -64,9 +63,8 @@ export function compile(source, options) {
  */
 export function compileModule(source, options) {
 	source = remove_bom(source);
-	state.reset_warning_filter(options.warningFilter);
+	state.reset_warnings(options.warningFilter);
 	const validated = validate_module_options(options, '');
-	state.reset(source, validated);
 
 	const analysis = analyze_module(source, validated);
 	return transform_module(analysis, source, validated);
@@ -113,7 +111,7 @@ export function compileModule(source, options) {
  */
 export function parse(source, { modern, loose } = {}) {
 	source = remove_bom(source);
-	state.reset_warning_filter(() => false);
+	state.reset_warnings(() => false);
 
 	const ast = _parse(source, loose);
 	return to_public_ast(source, ast, modern);

packages/svelte/src/compiler/migrate/index.js

@@ -9,7 +9,7 @@ import { parse } from '../phases/1-parse/index.js';
 import { regex_valid_component_name } from '../phases/1-parse/state/element.js';
 import { analyze_component } from '../phases/2-analyze/index.js';
 import { get_rune } from '../phases/scope.js';
-import { reset, reset_warning_filter } from '../state.js';
+import { reset, reset_warnings } from '../state.js';
 import {
 	extract_identifiers,
 	extract_all_identifiers_from_expression,
@@ -134,8 +134,8 @@ export function migrate(source, { filename, use_ts } = {}) {
 			return start + style_placeholder + end;
 		});
 
-		reset_warning_filter(() => false);
+		reset_warnings(() => false);
-		reset(source, { filename: filename ?? '(unknown)' });
+		reset({ filename: filename ?? '(unknown)' });
 
 		let parsed = parse(source);
 

packages/svelte/src/compiler/phases/2-analyze/index.js

@@ -76,6 +76,7 @@ import { UseDirective } from './visitors/UseDirective.js';
 import { VariableDeclarator } from './visitors/VariableDeclarator.js';
 import is_reference from 'is-reference';
 import { mark_subtree_dynamic } from './visitors/shared/fragment.js';
+import * as state from '../../state.js';
 
 /**
  * @type {Visitors}
@@ -240,6 +241,7 @@ export function analyze_module(source, options) {
 	/** @type {AST.JSComment[]} */
 	const comments = [];
 
+	state.set_source(source);
 	const ast = parse(source, comments, false, false);
 
 	const { scope, scopes } = create_scopes(ast, new ScopeRoot(), false, null);
@@ -269,6 +271,8 @@ export function analyze_module(source, options) {
 		classes: new Map()
 	};
 
+	state.reset(options);
+
 	walk(
 		/** @type {Node} */ (ast),
 		{
@@ -506,6 +510,8 @@ export function analyze_component(root, source, options) {
 		snippets: new Set()
 	};
 
+	state.reset(options);
+
 	if (!runes) {
 		// every exported `let` or `var` declaration becomes a prop, everything else becomes an export
 		for (const node of instance.ast.body) {

packages/svelte/src/compiler/state.js

@@ -77,8 +77,9 @@ export function pop_ignore() {
  *
  * @param {(warning: Warning) => boolean} fn
  */
-export function reset_warning_filter(fn = () => true) {
+export function reset_warnings(fn = () => true) {
 	warning_filter = fn;
+	warnings = [];
 }
 
 /**
@@ -91,11 +92,9 @@ export function is_ignored(node, code) {
 }
 
 /**
- * @param {string} _source
  * @param {{ dev?: boolean; filename: string; rootDir?: string }} options
  */
-export function reset(_source, options) {
+export function reset(options) {
-	source = _source;
 	const root_dir = options.rootDir?.replace(/\\/g, '/');
 	filename = options.filename.replace(/\\/g, '/');
 
@@ -106,8 +105,6 @@ export function reset(_source, options) {
 		filename = filename.replace(root_dir, '').replace(/^[/\\]/, '');
 	}
 
-	set_source(source);
-	warnings = [];
 	ignore_stack = [];
 	ignore_map.clear();
 }