static/hub.ts - compiler-explorer - Rivoreo Source Code Repositories

 // Copyright (c) 2022, Compiler Explorer Authors
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are met:
 //
 //     * Redistributions of source code must retain the above copyright notice,
 //       this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above copyright
 //       notice, this list of conditions and the following disclaimer in the
 //       documentation and/or other materials provided with the distribution.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 // POSSIBILITY OF SUCH DAMAGE.

 import GoldenLayout, {ContentItem} from 'golden-layout';

 import {CompilerService} from './compiler-service';
 import {
     AST_VIEW_COMPONENT_NAME,
     CFG_VIEW_COMPONENT_NAME,
     COMPILER_COMPONENT_NAME,
     CONFORMANCE_VIEW_COMPONENT_NAME,
     DEVICE_VIEW_COMPONENT_NAME,
     DIFF_VIEW_COMPONENT_NAME,
     EDITOR_COMPONENT_NAME,
     EXECUTOR_COMPONENT_NAME,
     FLAGS_VIEW_COMPONENT_NAME,
     GCC_DUMP_VIEW_COMPONENT_NAME,
     GNAT_DEBUG_TREE_VIEW_COMPONENT_NAME,
     GNAT_DEBUG_VIEW_COMPONENT_NAME,
     HASKELL_CMM_VIEW_COMPONENT_NAME,
     HASKELL_CORE_VIEW_COMPONENT_NAME,
     HASKELL_STG_VIEW_COMPONENT_NAME,
     IR_VIEW_COMPONENT_NAME,
     LLVM_OPT_PIPELINE_VIEW_COMPONENT_NAME,
     OPT_VIEW_COMPONENT_NAME,
     OUTPUT_COMPONENT_NAME,
     PP_VIEW_COMPONENT_NAME,
     RUST_HIR_VIEW_COMPONENT_NAME,
     RUST_MACRO_EXP_VIEW_COMPONENT_NAME,
     RUST_MIR_VIEW_COMPONENT_NAME,
     TOOL_COMPONENT_NAME,
     TOOL_INPUT_VIEW_COMPONENT_NAME,
     TREE_COMPONENT_NAME,
 } from './components.interfaces';
 import {EventHub} from './event-hub';
 import {Editor} from './panes/editor';
 import {Tree} from './panes/tree';
 import {Compiler} from './panes/compiler';
 import {Executor} from './panes/executor';
 import {Output} from './panes/output';
 import {Tool} from './panes/tool';
 import {Diff} from './panes/diff';
 import {ToolInputView} from './panes/tool-input-view';
 import {Opt as OptView} from './panes/opt-view';
 import {Flags as FlagsView} from './panes/flags-view';
 import {PP as PreProcessorView} from './panes/pp-view';
 import {Ast as AstView} from './panes/ast-view';
 import {Ir as IrView} from './panes/ir-view';
 import {LLVMOptPipeline} from './panes/llvm-opt-pipeline';
 import {DeviceAsm as DeviceView} from './panes/device-view';
 import {GnatDebug as GnatDebugView} from './panes/gnatdebug-view';
 import {RustMir as RustMirView} from './panes/rustmir-view';
 import {RustHir as RustHirView} from './panes/rusthir-view';
 import {HaskellCore as HaskellCoreView} from './panes/haskellcore-view';
 import {HaskellStg as HaskellStgView} from './panes/haskellstg-view';
 import {HaskellCmm as HaskellCmmView} from './panes/haskellcmm-view';
 import {GccDump as GCCDumpView} from './panes/gccdump-view';
 import {Cfg as CfgView} from './panes/cfg-view';
 import {Conformance as ConformanceView} from './panes/conformance-view';
 import {GnatDebugTree as GnatDebugTreeView} from './panes/gnatdebugtree-view';
 import {RustMacroExp as RustMacroExpView} from './panes/rustmacroexp-view';
 import {IdentifierSet} from './identifier-set';

 export class Hub {
     public readonly editorIds: IdentifierSet = new IdentifierSet();
     public readonly compilerIds: IdentifierSet = new IdentifierSet();
     public readonly executorIds: IdentifierSet = new IdentifierSet();
     public readonly treeIds: IdentifierSet = new IdentifierSet();

     public trees: Tree[] = [];
     public editors: any[] = []; // typeof Editor

     public readonly compilerService: CompilerService;

     public deferred = true;
     public deferredEmissions: unknown[][] = [];

     public lastOpenedLangId: string | null;
     public subdomainLangId: string | undefined;
     public defaultLangId: string;

     public constructor(public readonly layout: GoldenLayout, subLangId: string | undefined, defaultLangId: string) {
         this.lastOpenedLangId = null;
         this.subdomainLangId = subLangId;
         this.defaultLangId = defaultLangId;
         this.compilerService = new CompilerService(this.layout.eventHub);

         layout.registerComponent(EDITOR_COMPONENT_NAME, (c, s) => this.codeEditorFactory(c, s));
         layout.registerComponent(COMPILER_COMPONENT_NAME, (c, s) => this.compilerFactory(c, s));
         layout.registerComponent(TREE_COMPONENT_NAME, (c, s) => this.treeFactory(c, s));
         layout.registerComponent(EXECUTOR_COMPONENT_NAME, (c, s) => this.executorFactory(c, s));
         layout.registerComponent(OUTPUT_COMPONENT_NAME, (c, s) => this.outputFactory(c, s));
         layout.registerComponent(TOOL_COMPONENT_NAME, (c, s) => this.toolFactory(c, s));
         layout.registerComponent(TOOL_INPUT_VIEW_COMPONENT_NAME, (c, s) => this.toolInputViewFactory(c, s));
         layout.registerComponent(DIFF_VIEW_COMPONENT_NAME, (c, s) => this.diffFactory(c, s));
         layout.registerComponent(OPT_VIEW_COMPONENT_NAME, (c, s) => this.optViewFactory(c, s));
         layout.registerComponent(FLAGS_VIEW_COMPONENT_NAME, (c, s) => this.flagsViewFactory(c, s));
         layout.registerComponent(PP_VIEW_COMPONENT_NAME, (c, s) => this.ppViewFactory(c, s));
         layout.registerComponent(AST_VIEW_COMPONENT_NAME, (c, s) => this.astViewFactory(c, s));
         layout.registerComponent(IR_VIEW_COMPONENT_NAME, (c, s) => this.irViewFactory(c, s));
         layout.registerComponent(LLVM_OPT_PIPELINE_VIEW_COMPONENT_NAME, (c, s) => this.llvmOptPipelineFactory(c, s));
         layout.registerComponent(DEVICE_VIEW_COMPONENT_NAME, (c, s) => this.deviceViewFactory(c, s));
         layout.registerComponent(RUST_MIR_VIEW_COMPONENT_NAME, (c, s) => this.rustMirViewFactory(c, s));
         layout.registerComponent(HASKELL_CORE_VIEW_COMPONENT_NAME, (c, s) => this.haskellCoreViewFactory(c, s));
         layout.registerComponent(HASKELL_STG_VIEW_COMPONENT_NAME, (c, s) => this.haskellStgViewFactory(c, s));
         layout.registerComponent(HASKELL_CMM_VIEW_COMPONENT_NAME, (c, s) => this.haskellCmmViewFactory(c, s));
         layout.registerComponent(GNAT_DEBUG_TREE_VIEW_COMPONENT_NAME, (c, s) => this.gnatDebugTreeViewFactory(c, s));
         layout.registerComponent(GNAT_DEBUG_VIEW_COMPONENT_NAME, (c, s) => this.gnatDebugViewFactory(c, s));
         layout.registerComponent(RUST_MACRO_EXP_VIEW_COMPONENT_NAME, (c, s) => this.rustMacroExpViewFactory(c, s));
         layout.registerComponent(RUST_HIR_VIEW_COMPONENT_NAME, (c, s) => this.rustHirViewFactory(c, s));
         layout.registerComponent(GCC_DUMP_VIEW_COMPONENT_NAME, (c, s) => this.gccDumpViewFactory(c, s));
         layout.registerComponent(CFG_VIEW_COMPONENT_NAME, (c, s) => this.cfgViewFactory(c, s));
         layout.registerComponent(CONFORMANCE_VIEW_COMPONENT_NAME, (c, s) => this.conformanceViewFactory(c, s));

         layout.eventHub.on(
             'editorOpen',
             function (this: Hub, id: number) {
                 this.editorIds.add(id);
             },
             this
         );
         layout.eventHub.on(
             'editorClose',
             function (this: Hub, id: number) {
                 this.editorIds.remove(id);
             },
             this
         );
         layout.eventHub.on(
             'compilerOpen',
             function (this: Hub, id: number) {
                 this.compilerIds.add(id);
             },
             this
         );
         layout.eventHub.on(
             'compilerClose',
             function (this: Hub, id: number) {
                 this.compilerIds.remove(id);
             },
             this
         );
         layout.eventHub.on(
             'treeOpen',
             function (this: Hub, id: number) {
                 this.treeIds.add(id);
             },
             this
         );
         layout.eventHub.on(
             'treeClose',
             function (this: Hub, id: number) {
                 this.treeIds.remove(id);
             },
             this
         );
         layout.eventHub.on(
             'executorOpen',
             function (this: Hub, id: number) {
                 this.executorIds.add(id);
             },
             this
         );
         layout.eventHub.on(
             'executorClose',
             function (this: Hub, id: number) {
                 this.executorIds.remove(id);
             },
             this
         );
         layout.eventHub.on(
             'languageChange',
             function (this: Hub, editorId: number, langId: string) {
                 this.lastOpenedLangId = langId;
             },
             this
         );

         layout.init();
         this.undefer();
         layout.eventHub.emit('initialised');
     }

     public nextTreeId(): number {
         return this.treeIds.next();
     }

     public nextEditorId(): number {
         return this.editorIds.next();
     }

     public nextCompilerId(): number {
         return this.compilerIds.next();
     }

     public nextExecutorId(): number {
         return this.executorIds.next();
     }

     public createEventHub(): EventHub {
         return new EventHub(this, this.layout.eventHub);
     }

     public undefer(): void {
         this.deferred = false;
         const eventHub = this.layout.eventHub;
         const compilerEmissions: unknown[][] = [];
         const nonCompilerEmissions: unknown[][] = [];

         for (const [eventName, ...args] of this.deferredEmissions) {
             if (eventName === 'compiler') {
                 compilerEmissions.push([eventName, ...args]);
             } else {
                 nonCompilerEmissions.push([eventName, ...args]);
             }
         }

         for (const args of nonCompilerEmissions) {
             // @ts-expect-error
             // eslint-disable-next-line prefer-spread
             eventHub.emit.apply(eventHub, args);
         }

         for (const args of compilerEmissions) {
             // @ts-expect-error
             // eslint-disable-next-line prefer-spread
             eventHub.emit.apply(eventHub, args);
         }

         this.deferredEmissions = [];
     }

     public getTreeById(id: number): Tree | undefined {
         return this.trees.find(t => t.id === id);
     }

     public removeTree(id: number) {
         this.trees = this.trees.filter(t => t.id !== id);
     }

     public hasTree(): boolean {
         return this.trees.length > 0;
     }

     public getTreesWithEditorId(editorId: number) {
         return this.trees.filter(tree => tree.multifileService.isEditorPartOfProject(editorId));
     }

     public getTrees(): Tree[] {
         return this.trees;
     }

     public getEditorById(id: number): Editor | undefined {
         return this.editors.find(e => e.id === id);
     }

     public removeEditor(id: number) {
         this.editors = this.editors.filter(e => e.id !== id);
     }

     // Layout getters

     public findParentRowOrColumn(elem: GoldenLayout.ContentItem): GoldenLayout.ContentItem | null {
         let currentElem: GoldenLayout.ContentItem | null = elem;
         while (currentElem) {
             if (currentElem.isRow || currentElem.isColumn) return currentElem;
             // currentElem.parent may be null, this is reflected in newer GoldenLayout versions but not the version
             // we're using. Making a cast here just to be precise about what's going on.
             currentElem = currentElem.parent as GoldenLayout.ContentItem | null;
         }
         return null;
     }

     public findParentRowOrColumnOrStack(elem: GoldenLayout.ContentItem): GoldenLayout.ContentItem | null {
         let currentElem: GoldenLayout.ContentItem | null = elem;
         while (currentElem) {
             if (currentElem.isRow || currentElem.isColumn || currentElem.isStack) return currentElem;
             // currentElem.parent may be null, this is reflected in newer GoldenLayout versions but not the version
             // we're using. Making a cast here just to be precise about what's going on.
             currentElem = currentElem.parent as GoldenLayout.ContentItem | null;
         }
         return null;
     }

     public findEditorInChildren(elem: GoldenLayout.ContentItem): GoldenLayout.ContentItem | boolean | null {
         const count = elem.contentItems.length;
         let index = 0;
         while (index < count) {
             const child = elem.contentItems[index];
             // @ts-expect-error -- GoldenLayout's types are messed up here. This
             // is a ContentItem, which can be a Component which has a componentName
             // property
             if (child.componentName === 'codeEditor') {
                 return this.findParentRowOrColumnOrStack(child);
             } else {
                 if (child.isRow || child.isColumn || child.isStack) {
                     const editor = this.findEditorInChildren(child);
                     if (editor) return editor;
                 }
             }
             index++;
         }
         return false;
     }

     public findEditorParentRowOrColumn(): GoldenLayout.ContentItem | boolean | null {
         return this.findEditorInChildren(this.layout.root);
     }

     public addInEditorStackIfPossible(elem: GoldenLayout.ContentItem): void {
         const insertionPoint = this.findEditorParentRowOrColumn();
         // required not-true check because findEditorParentRowOrColumn returns
         // false if there is no editor parent
         if (insertionPoint && insertionPoint !== true) {
             insertionPoint.addChild(elem);
         } else {
             this.addAtRoot(elem);
         }
     }

     public addAtRoot(elem: GoldenLayout.ContentItem): void {
         if (this.layout.root.contentItems.length > 0) {
             const rootFirstItem = this.layout.root.contentItems[0];
             if (rootFirstItem.isRow || rootFirstItem.isColumn) {
                 rootFirstItem.addChild(elem);
             } else {
                 // @ts-expect-error -- GoldenLayout's types are messed up here?
                 const newRow: ContentItem = this.layout.createContentItem(
                     {
                         type: 'row',
                     },
                     this.layout.root
                 );
                 this.layout.root.replaceChild(rootFirstItem, newRow);
                 newRow.addChild(rootFirstItem);
                 newRow.addChild(elem);
             }
         } else {
             this.layout.root.addChild({
                 type: 'row',
                 content: [elem],
             });
         }
     }

     public activateTabForContainer(container?: GoldenLayout.Container) {
         if (container && (container.tab as typeof container.tab | null)) {
             container.tab.header.parent.setActiveContentItem(container.tab.contentItem);
         }
     }

     // Component Factories

     private codeEditorFactory(container: GoldenLayout.Container, state: any): void {
         // Ensure editors are closable: some older versions had 'isClosable' false.
         // NB there doesn't seem to be a better way to do this than reach into the config and rely on the fact nothing
         // has used it yet.
         container.parent.config.isClosable = true;
         const editor = new Editor(this, state, container);
         this.editors.push(editor);
     }

     private treeFactory(container: GoldenLayout.Container, state: ConstructorParameters<typeof Tree>[2]): Tree {
         const tree = new Tree(this, container, state);
         this.trees.push(tree);
         return tree;
     }

     public compilerFactory(container: GoldenLayout.Container, state: any): any /* typeof Compiler */ {
         return new Compiler(this, container, state);
     }

     public executorFactory(container: GoldenLayout.Container, state: any): any /*typeof Executor */ {
         return new Executor(this, container, state);
     }

     public outputFactory(container: GoldenLayout.Container, state: ConstructorParameters<typeof Output>[2]): Output {
         return new Output(this, container, state);
     }

     public toolFactory(container: GoldenLayout.Container, state: any): any /* typeof Tool */ {
         return new Tool(this, container, state);
     }

     public diffFactory(container: GoldenLayout.Container, state: any): any /* typeof Diff */ {
         return new Diff(this, container, state);
     }

     public toolInputViewFactory(
         container: GoldenLayout.Container,
         state: ConstructorParameters<typeof ToolInputView>[2]
     ): ToolInputView {
         return new ToolInputView(this, container, state);
     }

     public optViewFactory(container: GoldenLayout.Container, state: ConstructorParameters<typeof OptView>[2]): OptView {
         return new OptView(this, container, state);
     }

     public flagsViewFactory(
         container: GoldenLayout.Container,
         state: ConstructorParameters<typeof FlagsView>[2]
     ): FlagsView {
         return new FlagsView(this, container, state);
     }

     public ppViewFactory(
         container: GoldenLayout.Container,
         state: ConstructorParameters<typeof PreProcessorView>[2]
     ): PreProcessorView {
         return new PreProcessorView(this, container, state);
     }

     public astViewFactory(container: GoldenLayout.Container, state: ConstructorParameters<typeof AstView>[2]): AstView {
         return new AstView(this, container, state);
     }

     public irViewFactory(container: GoldenLayout.Container, state: ConstructorParameters<typeof IrView>[2]): IrView {
         return new IrView(this, container, state);
     }

     public llvmOptPipelineFactory(
         container: GoldenLayout.Container,
         state: ConstructorParameters<typeof LLVMOptPipeline>[2]
     ): LLVMOptPipeline {
         return new LLVMOptPipeline(this, container, state);
     }

     public deviceViewFactory(
         container: GoldenLayout.Container,
         state: ConstructorParameters<typeof DeviceView>[2]
     ): DeviceView {
         return new DeviceView(this, container, state);
     }

     public gnatDebugTreeViewFactory(
         container: GoldenLayout.Container,
         state: ConstructorParameters<typeof GnatDebugTreeView>[2]
     ): GnatDebugTreeView {
         return new GnatDebugTreeView(this, container, state);
     }

     public gnatDebugViewFactory(
         container: GoldenLayout.Container,
         state: ConstructorParameters<typeof GnatDebugView>[2]
     ): GnatDebugView {
         return new GnatDebugView(this, container, state);
     }

     public rustMirViewFactory(
         container: GoldenLayout.Container,
         state: ConstructorParameters<typeof RustMirView>[2]
     ): RustMirView {
         return new RustMirView(this, container, state);
     }

     public rustMacroExpViewFactory(
         container: GoldenLayout.Container,
         state: ConstructorParameters<typeof RustMacroExpView>[2]
     ): RustMacroExpView {
         return new RustMacroExpView(this, container, state);
     }

     public rustHirViewFactory(
         container: GoldenLayout.Container,
         state: ConstructorParameters<typeof RustHirView>[2]
     ): RustHirView {
         return new RustHirView(this, container, state);
     }

     public haskellCoreViewFactory(
         container: GoldenLayout.Container,
         state: ConstructorParameters<typeof HaskellCoreView>[2]
     ): HaskellCoreView {
         return new HaskellCoreView(this, container, state);
     }

     public haskellStgViewFactory(
         container: GoldenLayout.Container,
         state: ConstructorParameters<typeof HaskellStgView>[2]
     ): HaskellStgView {
         return new HaskellStgView(this, container, state);
     }
     public haskellCmmViewFactory(
         container: GoldenLayout.Container,
         state: ConstructorParameters<typeof HaskellCmmView>[2]
     ): HaskellCmmView {
         return new HaskellCmmView(this, container, state);
     }

     public gccDumpViewFactory(container: GoldenLayout.Container, state: any): any /* typeof GccDumpView */ {
         return new GCCDumpView(this, container, state);
     }

     public cfgViewFactory(container: GoldenLayout.Container, state: ConstructorParameters<typeof CfgView>[2]): CfgView {
         return new CfgView(this, container, state);
     }

     public conformanceViewFactory(container: GoldenLayout.Container, state: any): any /* typeof ConformanceView */ {
         return new ConformanceView(this, container, state);
     }
 }
	// Copyright (c) 2022, Compiler Explorer Authors
	// All rights reserved.
	//
	// Redistribution and use in source and binary forms, with or without
	// modification, are permitted provided that the following conditions are met:
	//
	// * Redistributions of source code must retain the above copyright notice,
	// this list of conditions and the following disclaimer.
	// * Redistributions in binary form must reproduce the above copyright
	// notice, this list of conditions and the following disclaimer in the
	// documentation and/or other materials provided with the distribution.
	//
	// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
	// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
	// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	// POSSIBILITY OF SUCH DAMAGE.

	import GoldenLayout, {ContentItem} from 'golden-layout';

	import {CompilerService} from './compiler-service';
	import {
	AST_VIEW_COMPONENT_NAME,
	CFG_VIEW_COMPONENT_NAME,
	COMPILER_COMPONENT_NAME,
	CONFORMANCE_VIEW_COMPONENT_NAME,
	DEVICE_VIEW_COMPONENT_NAME,
	DIFF_VIEW_COMPONENT_NAME,
	EDITOR_COMPONENT_NAME,
	EXECUTOR_COMPONENT_NAME,
	FLAGS_VIEW_COMPONENT_NAME,
	GCC_DUMP_VIEW_COMPONENT_NAME,
	GNAT_DEBUG_TREE_VIEW_COMPONENT_NAME,
	GNAT_DEBUG_VIEW_COMPONENT_NAME,
	HASKELL_CMM_VIEW_COMPONENT_NAME,
	HASKELL_CORE_VIEW_COMPONENT_NAME,
	HASKELL_STG_VIEW_COMPONENT_NAME,
	IR_VIEW_COMPONENT_NAME,
	LLVM_OPT_PIPELINE_VIEW_COMPONENT_NAME,
	OPT_VIEW_COMPONENT_NAME,
	OUTPUT_COMPONENT_NAME,
	PP_VIEW_COMPONENT_NAME,
	RUST_HIR_VIEW_COMPONENT_NAME,
	RUST_MACRO_EXP_VIEW_COMPONENT_NAME,
	RUST_MIR_VIEW_COMPONENT_NAME,
	TOOL_COMPONENT_NAME,
	TOOL_INPUT_VIEW_COMPONENT_NAME,
	TREE_COMPONENT_NAME,
	} from './components.interfaces';
	import {EventHub} from './event-hub';
	import {Editor} from './panes/editor';
	import {Tree} from './panes/tree';
	import {Compiler} from './panes/compiler';
	import {Executor} from './panes/executor';
	import {Output} from './panes/output';
	import {Tool} from './panes/tool';
	import {Diff} from './panes/diff';
	import {ToolInputView} from './panes/tool-input-view';
	import {Opt as OptView} from './panes/opt-view';
	import {Flags as FlagsView} from './panes/flags-view';
	import {PP as PreProcessorView} from './panes/pp-view';
	import {Ast as AstView} from './panes/ast-view';
	import {Ir as IrView} from './panes/ir-view';
	import {LLVMOptPipeline} from './panes/llvm-opt-pipeline';
	import {DeviceAsm as DeviceView} from './panes/device-view';
	import {GnatDebug as GnatDebugView} from './panes/gnatdebug-view';
	import {RustMir as RustMirView} from './panes/rustmir-view';
	import {RustHir as RustHirView} from './panes/rusthir-view';
	import {HaskellCore as HaskellCoreView} from './panes/haskellcore-view';
	import {HaskellStg as HaskellStgView} from './panes/haskellstg-view';
	import {HaskellCmm as HaskellCmmView} from './panes/haskellcmm-view';
	import {GccDump as GCCDumpView} from './panes/gccdump-view';
	import {Cfg as CfgView} from './panes/cfg-view';
	import {Conformance as ConformanceView} from './panes/conformance-view';
	import {GnatDebugTree as GnatDebugTreeView} from './panes/gnatdebugtree-view';
	import {RustMacroExp as RustMacroExpView} from './panes/rustmacroexp-view';
	import {IdentifierSet} from './identifier-set';

	export class Hub {
	public readonly editorIds: IdentifierSet = new IdentifierSet();
	public readonly compilerIds: IdentifierSet = new IdentifierSet();
	public readonly executorIds: IdentifierSet = new IdentifierSet();
	public readonly treeIds: IdentifierSet = new IdentifierSet();

	public trees: Tree[] = [];
	public editors: any[] = []; // typeof Editor

	public readonly compilerService: CompilerService;

	public deferred = true;
	public deferredEmissions: unknown[][] = [];

	public lastOpenedLangId: string \| null;
	public subdomainLangId: string \| undefined;
	public defaultLangId: string;

	public constructor(public readonly layout: GoldenLayout, subLangId: string \| undefined, defaultLangId: string) {
	this.lastOpenedLangId = null;
	this.subdomainLangId = subLangId;
	this.defaultLangId = defaultLangId;
	this.compilerService = new CompilerService(this.layout.eventHub);

	layout.registerComponent(EDITOR_COMPONENT_NAME, (c, s) => this.codeEditorFactory(c, s));
	layout.registerComponent(COMPILER_COMPONENT_NAME, (c, s) => this.compilerFactory(c, s));
	layout.registerComponent(TREE_COMPONENT_NAME, (c, s) => this.treeFactory(c, s));
	layout.registerComponent(EXECUTOR_COMPONENT_NAME, (c, s) => this.executorFactory(c, s));
	layout.registerComponent(OUTPUT_COMPONENT_NAME, (c, s) => this.outputFactory(c, s));
	layout.registerComponent(TOOL_COMPONENT_NAME, (c, s) => this.toolFactory(c, s));
	layout.registerComponent(TOOL_INPUT_VIEW_COMPONENT_NAME, (c, s) => this.toolInputViewFactory(c, s));
	layout.registerComponent(DIFF_VIEW_COMPONENT_NAME, (c, s) => this.diffFactory(c, s));
	layout.registerComponent(OPT_VIEW_COMPONENT_NAME, (c, s) => this.optViewFactory(c, s));
	layout.registerComponent(FLAGS_VIEW_COMPONENT_NAME, (c, s) => this.flagsViewFactory(c, s));
	layout.registerComponent(PP_VIEW_COMPONENT_NAME, (c, s) => this.ppViewFactory(c, s));
	layout.registerComponent(AST_VIEW_COMPONENT_NAME, (c, s) => this.astViewFactory(c, s));
	layout.registerComponent(IR_VIEW_COMPONENT_NAME, (c, s) => this.irViewFactory(c, s));
	layout.registerComponent(LLVM_OPT_PIPELINE_VIEW_COMPONENT_NAME, (c, s) => this.llvmOptPipelineFactory(c, s));
	layout.registerComponent(DEVICE_VIEW_COMPONENT_NAME, (c, s) => this.deviceViewFactory(c, s));
	layout.registerComponent(RUST_MIR_VIEW_COMPONENT_NAME, (c, s) => this.rustMirViewFactory(c, s));
	layout.registerComponent(HASKELL_CORE_VIEW_COMPONENT_NAME, (c, s) => this.haskellCoreViewFactory(c, s));
	layout.registerComponent(HASKELL_STG_VIEW_COMPONENT_NAME, (c, s) => this.haskellStgViewFactory(c, s));
	layout.registerComponent(HASKELL_CMM_VIEW_COMPONENT_NAME, (c, s) => this.haskellCmmViewFactory(c, s));
	layout.registerComponent(GNAT_DEBUG_TREE_VIEW_COMPONENT_NAME, (c, s) => this.gnatDebugTreeViewFactory(c, s));
	layout.registerComponent(GNAT_DEBUG_VIEW_COMPONENT_NAME, (c, s) => this.gnatDebugViewFactory(c, s));
	layout.registerComponent(RUST_MACRO_EXP_VIEW_COMPONENT_NAME, (c, s) => this.rustMacroExpViewFactory(c, s));
	layout.registerComponent(RUST_HIR_VIEW_COMPONENT_NAME, (c, s) => this.rustHirViewFactory(c, s));
	layout.registerComponent(GCC_DUMP_VIEW_COMPONENT_NAME, (c, s) => this.gccDumpViewFactory(c, s));
	layout.registerComponent(CFG_VIEW_COMPONENT_NAME, (c, s) => this.cfgViewFactory(c, s));
	layout.registerComponent(CONFORMANCE_VIEW_COMPONENT_NAME, (c, s) => this.conformanceViewFactory(c, s));

	layout.eventHub.on(
	'editorOpen',
	function (this: Hub, id: number) {
	this.editorIds.add(id);
	},
	this
	);
	layout.eventHub.on(
	'editorClose',
	function (this: Hub, id: number) {
	this.editorIds.remove(id);
	},
	this
	);
	layout.eventHub.on(
	'compilerOpen',
	function (this: Hub, id: number) {
	this.compilerIds.add(id);
	},
	this
	);
	layout.eventHub.on(
	'compilerClose',
	function (this: Hub, id: number) {
	this.compilerIds.remove(id);
	},
	this
	);
	layout.eventHub.on(
	'treeOpen',
	function (this: Hub, id: number) {
	this.treeIds.add(id);
	},
	this
	);
	layout.eventHub.on(
	'treeClose',
	function (this: Hub, id: number) {
	this.treeIds.remove(id);
	},
	this
	);
	layout.eventHub.on(
	'executorOpen',
	function (this: Hub, id: number) {
	this.executorIds.add(id);
	},
	this
	);
	layout.eventHub.on(
	'executorClose',
	function (this: Hub, id: number) {
	this.executorIds.remove(id);
	},
	this
	);
	layout.eventHub.on(
	'languageChange',
	function (this: Hub, editorId: number, langId: string) {
	this.lastOpenedLangId = langId;
	},
	this
	);

	layout.init();
	this.undefer();
	layout.eventHub.emit('initialised');
	}

	public nextTreeId(): number {
	return this.treeIds.next();
	}

	public nextEditorId(): number {
	return this.editorIds.next();
	}

	public nextCompilerId(): number {
	return this.compilerIds.next();
	}

	public nextExecutorId(): number {
	return this.executorIds.next();
	}

	public createEventHub(): EventHub {
	return new EventHub(this, this.layout.eventHub);
	}

	public undefer(): void {
	this.deferred = false;
	const eventHub = this.layout.eventHub;
	const compilerEmissions: unknown[][] = [];
	const nonCompilerEmissions: unknown[][] = [];

	for (const [eventName, ...args] of this.deferredEmissions) {
	if (eventName === 'compiler') {
	compilerEmissions.push([eventName, ...args]);
	} else {
	nonCompilerEmissions.push([eventName, ...args]);
	}
	}

	for (const args of nonCompilerEmissions) {
	// @ts-expect-error
	// eslint-disable-next-line prefer-spread
	eventHub.emit.apply(eventHub, args);
	}

	for (const args of compilerEmissions) {
	// @ts-expect-error
	// eslint-disable-next-line prefer-spread
	eventHub.emit.apply(eventHub, args);
	}

	this.deferredEmissions = [];
	}

	public getTreeById(id: number): Tree \| undefined {
	return this.trees.find(t => t.id === id);
	}

	public removeTree(id: number) {
	this.trees = this.trees.filter(t => t.id !== id);
	}

	public hasTree(): boolean {
	return this.trees.length > 0;
	}

	public getTreesWithEditorId(editorId: number) {
	return this.trees.filter(tree => tree.multifileService.isEditorPartOfProject(editorId));
	}

	public getTrees(): Tree[] {
	return this.trees;
	}

	public getEditorById(id: number): Editor \| undefined {
	return this.editors.find(e => e.id === id);
	}

	public removeEditor(id: number) {
	this.editors = this.editors.filter(e => e.id !== id);
	}

	// Layout getters

	public findParentRowOrColumn(elem: GoldenLayout.ContentItem): GoldenLayout.ContentItem \| null {
	let currentElem: GoldenLayout.ContentItem \| null = elem;
	while (currentElem) {
	if (currentElem.isRow \|\| currentElem.isColumn) return currentElem;
	// currentElem.parent may be null, this is reflected in newer GoldenLayout versions but not the version
	// we're using. Making a cast here just to be precise about what's going on.
	currentElem = currentElem.parent as GoldenLayout.ContentItem \| null;
	}
	return null;
	}

	public findParentRowOrColumnOrStack(elem: GoldenLayout.ContentItem): GoldenLayout.ContentItem \| null {
	let currentElem: GoldenLayout.ContentItem \| null = elem;
	while (currentElem) {
	if (currentElem.isRow \|\| currentElem.isColumn \|\| currentElem.isStack) return currentElem;
	// currentElem.parent may be null, this is reflected in newer GoldenLayout versions but not the version
	// we're using. Making a cast here just to be precise about what's going on.
	currentElem = currentElem.parent as GoldenLayout.ContentItem \| null;
	}
	return null;
	}

	public findEditorInChildren(elem: GoldenLayout.ContentItem): GoldenLayout.ContentItem \| boolean \| null {
	const count = elem.contentItems.length;
	let index = 0;
	while (index < count) {
	const child = elem.contentItems[index];
	// @ts-expect-error -- GoldenLayout's types are messed up here. This
	// is a ContentItem, which can be a Component which has a componentName
	// property
	if (child.componentName === 'codeEditor') {
	return this.findParentRowOrColumnOrStack(child);
	} else {
	if (child.isRow \|\| child.isColumn \|\| child.isStack) {
	const editor = this.findEditorInChildren(child);
	if (editor) return editor;
	}
	}
	index++;
	}
	return false;
	}

	public findEditorParentRowOrColumn(): GoldenLayout.ContentItem \| boolean \| null {
	return this.findEditorInChildren(this.layout.root);
	}

	public addInEditorStackIfPossible(elem: GoldenLayout.ContentItem): void {
	const insertionPoint = this.findEditorParentRowOrColumn();
	// required not-true check because findEditorParentRowOrColumn returns
	// false if there is no editor parent
	if (insertionPoint && insertionPoint !== true) {
	insertionPoint.addChild(elem);
	} else {
	this.addAtRoot(elem);
	}
	}

	public addAtRoot(elem: GoldenLayout.ContentItem): void {
	if (this.layout.root.contentItems.length > 0) {
	const rootFirstItem = this.layout.root.contentItems[0];
	if (rootFirstItem.isRow \|\| rootFirstItem.isColumn) {
	rootFirstItem.addChild(elem);
	} else {
	// @ts-expect-error -- GoldenLayout's types are messed up here?
	const newRow: ContentItem = this.layout.createContentItem(
	{
	type: 'row',
	},
	this.layout.root
	);
	this.layout.root.replaceChild(rootFirstItem, newRow);
	newRow.addChild(rootFirstItem);
	newRow.addChild(elem);
	}
	} else {
	this.layout.root.addChild({
	type: 'row',
	content: [elem],
	});
	}
	}

	public activateTabForContainer(container?: GoldenLayout.Container) {
	if (container && (container.tab as typeof container.tab \| null)) {
	container.tab.header.parent.setActiveContentItem(container.tab.contentItem);
	}
	}

	// Component Factories

	private codeEditorFactory(container: GoldenLayout.Container, state: any): void {
	// Ensure editors are closable: some older versions had 'isClosable' false.
	// NB there doesn't seem to be a better way to do this than reach into the config and rely on the fact nothing
	// has used it yet.
	container.parent.config.isClosable = true;
	const editor = new Editor(this, state, container);
	this.editors.push(editor);
	}

	private treeFactory(container: GoldenLayout.Container, state: ConstructorParameters<typeof Tree>[2]): Tree {
	const tree = new Tree(this, container, state);
	this.trees.push(tree);
	return tree;
	}

	public compilerFactory(container: GoldenLayout.Container, state: any): any /* typeof Compiler */ {
	return new Compiler(this, container, state);
	}

	public executorFactory(container: GoldenLayout.Container, state: any): any /typeof Executor / {
	return new Executor(this, container, state);
	}

	public outputFactory(container: GoldenLayout.Container, state: ConstructorParameters<typeof Output>[2]): Output {
	return new Output(this, container, state);
	}

	public toolFactory(container: GoldenLayout.Container, state: any): any /* typeof Tool */ {
	return new Tool(this, container, state);
	}

	public diffFactory(container: GoldenLayout.Container, state: any): any /* typeof Diff */ {
	return new Diff(this, container, state);
	}

	public toolInputViewFactory(
	container: GoldenLayout.Container,
	state: ConstructorParameters<typeof ToolInputView>[2]
	): ToolInputView {
	return new ToolInputView(this, container, state);
	}

	public optViewFactory(container: GoldenLayout.Container, state: ConstructorParameters<typeof OptView>[2]): OptView {
	return new OptView(this, container, state);
	}

	public flagsViewFactory(
	container: GoldenLayout.Container,
	state: ConstructorParameters<typeof FlagsView>[2]
	): FlagsView {
	return new FlagsView(this, container, state);
	}

	public ppViewFactory(
	container: GoldenLayout.Container,
	state: ConstructorParameters<typeof PreProcessorView>[2]
	): PreProcessorView {
	return new PreProcessorView(this, container, state);
	}

	public astViewFactory(container: GoldenLayout.Container, state: ConstructorParameters<typeof AstView>[2]): AstView {
	return new AstView(this, container, state);
	}

	public irViewFactory(container: GoldenLayout.Container, state: ConstructorParameters<typeof IrView>[2]): IrView {
	return new IrView(this, container, state);
	}

	public llvmOptPipelineFactory(
	container: GoldenLayout.Container,
	state: ConstructorParameters<typeof LLVMOptPipeline>[2]
	): LLVMOptPipeline {
	return new LLVMOptPipeline(this, container, state);
	}

	public deviceViewFactory(
	container: GoldenLayout.Container,
	state: ConstructorParameters<typeof DeviceView>[2]
	): DeviceView {
	return new DeviceView(this, container, state);
	}

	public gnatDebugTreeViewFactory(
	container: GoldenLayout.Container,
	state: ConstructorParameters<typeof GnatDebugTreeView>[2]
	): GnatDebugTreeView {
	return new GnatDebugTreeView(this, container, state);
	}

	public gnatDebugViewFactory(
	container: GoldenLayout.Container,
	state: ConstructorParameters<typeof GnatDebugView>[2]
	): GnatDebugView {
	return new GnatDebugView(this, container, state);
	}

	public rustMirViewFactory(
	container: GoldenLayout.Container,
	state: ConstructorParameters<typeof RustMirView>[2]
	): RustMirView {
	return new RustMirView(this, container, state);
	}

	public rustMacroExpViewFactory(
	container: GoldenLayout.Container,
	state: ConstructorParameters<typeof RustMacroExpView>[2]
	): RustMacroExpView {
	return new RustMacroExpView(this, container, state);
	}

	public rustHirViewFactory(
	container: GoldenLayout.Container,
	state: ConstructorParameters<typeof RustHirView>[2]
	): RustHirView {
	return new RustHirView(this, container, state);
	}

	public haskellCoreViewFactory(
	container: GoldenLayout.Container,
	state: ConstructorParameters<typeof HaskellCoreView>[2]
	): HaskellCoreView {
	return new HaskellCoreView(this, container, state);
	}

	public haskellStgViewFactory(
	container: GoldenLayout.Container,
	state: ConstructorParameters<typeof HaskellStgView>[2]
	): HaskellStgView {
	return new HaskellStgView(this, container, state);
	}
	public haskellCmmViewFactory(
	container: GoldenLayout.Container,
	state: ConstructorParameters<typeof HaskellCmmView>[2]
	): HaskellCmmView {
	return new HaskellCmmView(this, container, state);
	}

	public gccDumpViewFactory(container: GoldenLayout.Container, state: any): any /* typeof GccDumpView */ {
	return new GCCDumpView(this, container, state);
	}

	public cfgViewFactory(container: GoldenLayout.Container, state: ConstructorParameters<typeof CfgView>[2]): CfgView {
	return new CfgView(this, container, state);
	}

	public conformanceViewFactory(container: GoldenLayout.Container, state: any): any /* typeof ConformanceView */ {
	return new ConformanceView(this, container, state);
	}
	}