refactor

apps/remix-ide/src/app.js

@@ -13,7 +13,7 @@ import { LandingPage } from './app/ui/landing-page/landing-page'
 import { MainPanel } from './app/components/main-panel'
 import { PermissionHandlerPlugin } from './app/plugins/permission-handler-plugin'
 import { AstWalker } from '@remix-project/remix-astwalker'
-import { LinkLibraries, DeployLibraries, OpenZeppelinProxy } from '@remix-project/core-plugin'
+import { LinkLibraries, DeployLibraries, OpenZeppelinProxy, CodeParser } from '@remix-project/core-plugin'
 
 import { WalkthroughService } from './walkthroughService'
 
@@ -201,6 +201,7 @@ class AppComponent {
       }
     )
     const contextualListener = new EditorContextListener(new AstWalker())
+    const codeParser = new CodeParser(new AstWalker())
 
     this.notification = new NotificationPlugin()
 
@@ -225,6 +226,7 @@ class AppComponent {
       networkModule,
       offsetToLineColumnConverter,
       contextualListener,
+      codeParser,
       terminal,
       web3Provider,
       compileAndRun,
@@ -350,7 +352,7 @@ class AppComponent {
     await this.appManager.activatePlugin(['sidePanel']) // activating  host plugin separately
     await this.appManager.activatePlugin(['home'])
     await this.appManager.activatePlugin(['settings', 'config'])
-    await this.appManager.activatePlugin(['hiddenPanel', 'pluginManager', 'contextualListener', 'terminal', 'blockchain', 'fetchAndCompile', 'contentImport', 'gistHandler'])
+    await this.appManager.activatePlugin(['hiddenPanel', 'pluginManager', 'contextualListener', 'codeParser', 'terminal', 'blockchain', 'fetchAndCompile', 'contentImport', 'gistHandler'])
     await this.appManager.activatePlugin(['settings'])
     await this.appManager.activatePlugin(['walkthrough','storage', 'search','compileAndRun'])
 

libs/remix-core-plugin/src/index.ts

@@ -8,3 +8,4 @@ export { GistHandler } from './lib/gist-handler'
 export * from './types/contract'
 export { LinkLibraries, DeployLibraries } from './lib/link-libraries'
 export { OpenZeppelinProxy } from './lib/openzeppelin-proxy'
+export { CodeParser } from './lib/code-parser'

libs/remix-core-plugin/src/lib/code-parser.ts

@@ -4,26 +4,42 @@ import { sourceMappingDecoder } from '@remix-project/remix-debug'
 import { CompilerAbstract } from '@remix-project/remix-solidity'
 import { Compiler } from '@remix-project/remix-solidity'
 
-
-import { CompilationError, CompilationResult, CompilationSource, helper } from '@remix-project/remix-solidity-ts'
+import { AstNode, CompilationError, CompilationResult, CompilationSource, helper } from '@remix-project/remix-solidity-ts'
 const SolidityParser = (window as any).SolidityParser = (window as any).SolidityParser || []
 
 const profile = {
     name: 'codeParser',
-    methods: ['getBlockName', 'getLastNodeInLine', 'resolveImports', 'parseSolidity', 'getAST', 'nodesWithScope', 'nodesWithName', 'getNodes', 'compile', 'getNodeById', 'getLastCompilationResult', 'positionOfDefinition', 'definitionAtPosition', 'jumpToDefinition', 'referrencesAtPosition', 'nodesAtEditorPosition', 'referencesOf', 'getActiveHighlights', 'gasEstimation', 'declarationOf', 'jumpToPosition'],
+    methods: ['nodesAtPosition', 'getFunctionParamaters', 'getDeclaration', 'getFunctionReturnParameters', 'getVariableDeclaration', 'getNodeDocumentation', 'getNodeLink', 'listAstNodes', 'getBlockAtPosition', 'getLastNodeInLine', 'resolveImports', 'parseSolidity', 'getNodesWithScope', 'getNodesWithName', 'getNodes', 'compile', 'getNodeById', 'getLastCompilationResult', 'positionOfDefinition', 'definitionAtPosition', 'jumpToDefinition', 'referrencesAtPosition', 'referencesOf', 'getActiveHighlights', 'gasEstimation', 'declarationOf'],
     events: [],
     version: '0.0.1'
 }
 
+export function isNodeDefinition(node: any) {
+    return node.nodeType === 'ContractDefinition' ||
+        node.nodeType === 'FunctionDefinition' ||
+        node.nodeType === 'ModifierDefinition' ||
+        node.nodeType === 'VariableDeclaration' ||
+        node.nodeType === 'StructDefinition' ||
+        node.nodeType === 'EventDefinition'
+}
+
 export class CodeParser extends Plugin {
 
     currentFileAST: any // contains the simple parsed AST for the current file
     compiler: any // used to compile the current file seperately from the main compiler
-    onAstFinished: (success: any, data: any, source: any, input: any, version: any) => Promise<void>
+    lastCompilationResult: any
     currentFile: any
+    _index: any
+    astWalker: any
+    onAstFinished: (success: any, data: CompilationResult, source: CompilationSource, input: any, version: any) => Promise<void>
 
-    constructor() {
+    constructor(astWalker) {
         super(profile)
+        this.astWalker = astWalker
+        this._index = {
+            Declarations: {},
+            FlatReferences: {}
+        }
     }
 
     async onActivation() {
@@ -38,11 +54,82 @@ export class CodeParser extends Plugin {
             await this.compile()
         })
 
+        this.on('solidity', 'loadingCompiler', async (url) => {
+            console.log('loading compiler', url)
+            this.compiler.loadVersion(true, url)
+            this.compiler.event.register('compilerLoaded', async () => {
+                console.log('compiler loaded')
+            })
+        })
+
+        /**
+         * - processes compilation results
+         * - calls the editor to add markers on the errors 
+         * - builds the flat index of nodes
+         */
+        this.onAstFinished = async (success, data: CompilationResult, source: CompilationSource, input: any, version) => {
+            console.log('compile success', success, data, this)
+            this.call('editor', 'clearAnnotations')
+            let noFatalErrors = true // ie warnings are ok
+            const checkIfFatalError = (error: CompilationError) => {
+                // Ignore warnings and the 'Deferred import' error as those are generated by us as a workaround
+                const isValidError = (error.message && error.message.includes('Deferred import')) ? false : error.severity !== 'warning'
+                if (isValidError) {
+                    console.log(error)
+                    noFatalErrors = false
+                }
+            }
+            const result = new CompilerAbstract('soljson', data, source, input)
+
+            if (data.error) checkIfFatalError(data.error)
+            if (data.errors) data.errors.forEach((err) => checkIfFatalError(err))
+            const allErrors = []
+            if (data.errors) {
+                for (const error of data.errors) {
+                    console.log('ERROR POS', error)
+                    let pos = helper.getPositionDetails(error.formattedMessage)
+                    console.log('ERROR POS', pos)
+                    const sources = result.getSourceCode().sources
+                    const source = sources[pos.file]
+                    const lineColumn = await this.call('offsetToLineColumnConverter', 'offsetToLineColumn',
+                        {
+                            start: error.sourceLocation.start,
+                            length: error.sourceLocation.end - error.sourceLocation.start
+                        },
+                        0,
+                        sources,
+                        null)
+                    console.log('lineColumn', lineColumn)
+                    allErrors.push({ error, lineColumn })
+                }
+                await this.call('editor', 'addErrorMarker', allErrors)
+            } else {
+                await this.call('editor', 'clearErrorMarkers', result.getSourceCode().sources)
+            }
+
+
+            if (!data.sources) return
+            if (data.sources && Object.keys(data.sources).length === 0) return
+            this.lastCompilationResult = new CompilerAbstract('soljson', data, source, input)
+
+            this._index = {
+                Declarations: {},
+                FlatReferences: {}
+            }
+            this._buildIndex(data, source)
+            this.emit('astFinished')
+        }
+
         this.compiler = new Compiler((url, cb) => this.call('contentImport', 'resolveAndSave', url, undefined, false).then((result) => cb(null, result)).catch((error) => cb(error.message)))
+        this.compiler.event.register('astFinished', this.onAstFinished)
     }
 
     // COMPILER
 
+    /**
+     * 
+     * @returns 
+     */
     async compile() {
         try {
             const state = await this.call('solidity', 'getCompilerState')
@@ -52,6 +139,7 @@ export class CodeParser extends Plugin {
             this.compiler.set('runs', state.runs)
             this.compiler.set('useFileConfiguration', state.useFileConfiguration)
             this.currentFile = await this.call('fileManager', 'file')
+            console.log(this.currentFile)
             if (!this.currentFile) return
             const content = await this.call('fileManager', 'readFile', this.currentFile)
             const sources = { [this.currentFile]: { content } }
@@ -61,12 +149,23 @@ export class CodeParser extends Plugin {
         }
     }
 
+    /**
+     * 
+     * @returns 
+     */
+    async getLastCompilationResult() {
+        return this.lastCompilationResult
+    }
+
     /*
     * simple parsing is used to quickly parse the current file or a text source without using the compiler or having to resolve imports
     */
 
     async parseSolidity(text: string) {
+        const t0 = performance.now();
         const ast = (SolidityParser as any).parse(text, { loc: true, range: true, tolerant: true })
+        const t1 = performance.now();
+        console.log(`Call to doSomething took ${t1 - t0} milliseconds.`);
         console.log('AST PARSE SUCCESS', ast)
         return ast
     }
@@ -77,12 +176,13 @@ export class CodeParser extends Plugin {
      * @param text 
      * @returns 
      */
-    async getCurrentFileAST(text: string = null) {
+    async getCurrentFileAST(text: string | null = null) {
         this.currentFile = await this.call('fileManager', 'file')
         if (!this.currentFile) return
         const fileContent = text || await this.call('fileManager', 'readFile', this.currentFile)
         try {
             const ast = await this.parseSolidity(fileContent)
+
             this.currentFileAST = ast
             console.log('AST PARSE SUCCESS', ast)
         } catch (e) {
@@ -92,6 +192,31 @@ export class CodeParser extends Plugin {
         return this.currentFileAST
     }
 
+    /**
+     * Builds a flat index and declarations of all the nodes in the compilation result
+     * @param compilationResult 
+     * @param source 
+     */
+    _buildIndex(compilationResult, source) {
+        if (compilationResult && compilationResult.sources) {
+            const callback = (node) => {
+                if (node && node.referencedDeclaration) {
+                    if (!this._index.Declarations[node.referencedDeclaration]) {
+                        this._index.Declarations[node.referencedDeclaration] = []
+                    }
+                    this._index.Declarations[node.referencedDeclaration].push(node)
+                }
+                this._index.FlatReferences[node.id] = node
+            }
+            for (const s in compilationResult.sources) {
+                this.astWalker.walkFull(compilationResult.sources[s].ast, callback)
+            }
+            console.log("INDEX", this._index)
+        }
+    }
+
+    // NODE HELPERS
+
     /**
     * Returns the block surrounding the given position
     * For example if the position is in the middle of a function, it will return the function
@@ -100,6 +225,7 @@ export class CodeParser extends Plugin {
     * @return {any}
     * */
     async getBlockAtPosition(position: any, text: string = null) {
+        console.log('GET BLOCK AT ', position)
         await this.getCurrentFileAST(text)
         const allowedTypes = ['SourceUnit', 'ContractDefinition', 'FunctionDefinition']
 
@@ -121,5 +247,370 @@ export class CodeParser extends Plugin {
         return walkAst(this.currentFileAST)
     }
 
+    /**
+     * Lists the AST nodes from the current file parser
+     * These nodes need to be changed to match the node types returned by the compiler
+     * @returns 
+     */
+    async listAstNodes() {
+        await this.getCurrentFileAST();
+        let nodes = [];
+        (SolidityParser as any).visit(this.currentFileAST, {
+            StateVariableDeclaration: (node) => {
+                if (node.variables) {
+                    for (const variable of node.variables) {
+                        nodes.push({ ...variable, nodeType: 'VariableDeclaration' })
+                    }
+                }
+            },
+            UserDefinedTypeName: (node) => {
+                nodes.push({ ...node, nodeType: node.type })
+            },
+            FunctionDefinition: (node) => {
+                nodes.push({ ...node, nodeType: node.type })
+            },
+            ContractDefinition: (node) => {
+                nodes.push({ ...node, nodeType: node.type })
+            },
+            MemberAccess: function (node) {
+                nodes.push({ ...node, nodeType: node.type })
+            },
+            Identifier: function (node) {
+                nodes.push({ ...node, nodeType: node.type })
+            },
+            InvalidNode: function (node) {
+                nodes.push({ ...node, nodeType: node.type })
+            }
+        })
+        console.log("LIST NODES", nodes)
+        return nodes
+    }
+
+    /**
+     * Nodes at position where position is a number, offset
+     * @param position 
+     * @param type 
+     * @returns 
+     */
+    async nodesAtPosition(position: number, type = '') {
+        const lastCompilationResult = this.lastCompilationResult
+        if (!lastCompilationResult) return false
+        const urlFromPath = await this.call('fileManager', 'getUrlFromPath', this.currentFile)
+        if (lastCompilationResult && lastCompilationResult.languageversion.indexOf('soljson') === 0 && lastCompilationResult.data) {
+            const nodes = sourceMappingDecoder.nodesAtPosition(type, position, lastCompilationResult.data.sources[this.currentFile] || lastCompilationResult.data.sources[urlFromPath.file])
+            return nodes
+        }
+        return []
+    }
+
+    /**
+     * 
+     * @param id 
+     * @returns 
+     */
+    async getNodeById(id: any) {
+        for (const key in this._index.FlatReferences) {
+            if (this._index.FlatReferences[key].id === id) {
+                return this._index.FlatReferences[key]
+            }
+        }
+    }
+
+    /**
+     * 
+     * @param id 
+     * @returns 
+     */
+    async getDeclaration(id: any) {
+        if(this._index.Declarations && this._index.Declarations[id]) return this._index.Declarations[id]
+    }
+
+    /**
+     * 
+     * @param scope 
+     * @returns 
+     */
+    async getNodesWithScope(scope: number) {
+        const nodes = []
+        for (const node of Object.values(this._index.FlatReferences) as any[]) {
+            if (node.scope === scope) nodes.push(node)
+        }
+        return nodes
+    }
+
+    /**
+     * 
+     * @param name 
+     * @returns 
+     */
+    async getNodesWithName(name: string) {
+        const nodes = []
+        for (const node of Object.values(this._index.FlatReferences) as any[]) {
+            if (node.name === name) nodes.push(node)
+        }
+        return nodes
+    }
+    /**
+     * 
+     * @param node 
+     * @returns 
+     */
+    declarationOf(node: AstNode) {
+        if (node && node.referencedDeclaration) {
+            return this._index.FlatReferences[node.referencedDeclaration]
+        } else {
+            // console.log(this._index.FlatReferences)
+        }
+        return null
+    }
+
+    /**
+     * 
+     * @param position 
+     * @returns 
+     */
+    async definitionAtPosition(position: number) {
+        const nodes = await this.nodesAtPosition(position)
+        console.log('nodes at position', nodes, position)
+        console.log(this._index.FlatReferences)
+        let nodeDefinition: any
+        let node: any
+        if (nodes && nodes.length) {
+            node = nodes[nodes.length - 1]
+            nodeDefinition = node
+            if (!isNodeDefinition(node)) {
+                nodeDefinition = await this.declarationOf(node) || node
+            }
+            if (node.nodeType === 'ImportDirective') {
+                for (const key in this._index.FlatReferences) {
+                    if (this._index.FlatReferences[key].id === node.sourceUnit) {
+                        nodeDefinition = this._index.FlatReferences[key]
+                    }
+                }
+            }
+            return nodeDefinition
+        } else {
+            let astNodes = await this.listAstNodes()
+            for (const node of astNodes) {
+                if (node.range[0] <= position && node.range[1] >= position) {
+                    if (nodeDefinition && nodeDefinition.range[0] < node.range[0]) {
+                        nodeDefinition = node
+                    }
+                    if (!nodeDefinition) nodeDefinition = node
+                }
+            }
+            return nodeDefinition
+        }
+
+    }
+
+    /**
+     * 
+     * @param node 
+     * @returns 
+     */
+    async positionOfDefinition(node: any): Promise<any | null> {
+        if (node) {
+            if (node.src) {
+                const position = sourceMappingDecoder.decode(node.src)
+                if (position) {
+                    return position
+                }
+            }
+        }
+        return null
+    }
+
+    /**
+     * 
+     * @param node 
+     * @param imported 
+     * @returns 
+     */
+    async resolveImports(node, imported = {}) {
+        if (node.nodeType === 'ImportDirective' && !imported[node.sourceUnit]) {
+            console.log('IMPORTING', node)
+            const importNode = await this.getNodeById(node.sourceUnit)
+            imported[importNode.id] = importNode
+            if (importNode.nodes) {
+                for (const child of importNode.nodes) {
+                    imported = await this.resolveImports(child, imported)
+                }
+            }
+        }
+        console.log(imported)
+        return imported
+    }
+
+    /**
+     * 
+     * @param ast 
+     * @returns 
+     */
+    async getLastNodeInLine(ast: string) {
+        let lastNode
+        const checkLastNode = (node) => {
+            if (lastNode && lastNode.range && lastNode.range[1]) {
+                if (node.range[1] > lastNode.range[1]) {
+                    lastNode = node
+                }
+            } else {
+                lastNode = node
+            }
+        }
+
+        (SolidityParser as any).visit(ast, {
+            MemberAccess: function (node) {
+                checkLastNode(node)
+            },
+            Identifier: function (node) {
+                checkLastNode(node)
+            }
+        })
+        if (lastNode && lastNode.expression && lastNode.expression.expression) {
+            console.log('lastNode with expression', lastNode, lastNode.expression)
+            return lastNode.expression.expression
+        }
+        if (lastNode && lastNode.expression) {
+            console.log('lastNode with expression', lastNode, lastNode.expression)
+            return lastNode.expression
+        }
+        console.log('lastNode', lastNode)
+        return lastNode
+    }
+
+    /**
+     * 
+     * @param node 
+     * @returns 
+     */
+    referencesOf(node: any) {
+        const results = []
+        const highlights = (id) => {
+            if (this._index.Declarations && this._index.Declarations[id]) {
+                const refs = this._index.Declarations[id]
+                for (const ref in refs) {
+                    const node = refs[ref]
+                    results.push(node)
+                }
+            }
+        }
+        if (node && node.referencedDeclaration) {
+            highlights(node.referencedDeclaration)
+            const current = this._index.FlatReferences[node.referencedDeclaration]
+            results.push(current)
+        } else {
+            highlights(node.id)
+        }
+        return results
+    }
+
+    /**
+     * 
+     * @param position 
+     * @returns 
+     */
+    async referrencesAtPosition(position: any) {
+        const nodes = await this.nodesAtPosition(position)
+        if (nodes && nodes.length) {
+            const node = nodes[nodes.length - 1]
+            if (node) {
+                return this.referencesOf(node)
+            }
+        }
+    }
+
+    /**
+     * 
+     * @returns 
+     */
+    async getNodes() {
+        return this._index.FlatReferences
+    }
+
+
+
+    /**
+     * 
+     * @param node 
+     * @returns 
+     */
+    async getNodeLink(node: any) {
+        const position = await this.positionOfDefinition(node)
+        if (position) {
+            const filename = this.lastCompilationResult.getSourceName(position.file)
+            const lineColumn = await this.call('offsetToLineColumnConverter', 'offsetToLineColumn',
+                position,
+                position.file,
+                this.lastCompilationResult.getSourceCode().sources,
+                this.lastCompilationResult.getAsts())
+            return `${filename} ${lineColumn.start.line}:${lineColumn.start.column}`
+        }
+    }
+
+    /**
+     * 
+     * @param node 
+     * @returns 
+     */
+    async getNodeDocumentation(node: any) {
+        if (node.documentation && node.documentation.text) {
+            let text = ''
+            node.documentation.text.split('\n').forEach(line => {
+                text += `${line.trim()}\n`
+            })
+            return text
+        }
+    }
+
+    /**
+     * 
+     * @param node 
+     * @returns 
+     */
+    async getVariableDeclaration(node: any) {
+        if (node.typeDescriptions && node.typeDescriptions.typeString) {
+            return `${node.typeDescriptions.typeString}${node.name && node.name.length ? ` ${node.name}` : ''}`
+        } else
+            if (node.typeName && node.typeName.name) {
+                return `${node.typeName.name}${node.name && node.name.length ? ` ${node.name}` : ''}`
+            } else {
+                return `${node.name && node.name.length ? ` ${node.name}` : ''}`
+            }
+    }
+
+    /**
+     * 
+     * @param node 
+     * @returns 
+     */
+    async getFunctionParamaters(node: any) {
+        let localParam = (node.parameters && node.parameters.parameters) || (node.parameters)
+        if (localParam) {
+            const params = []
+            for (const param of localParam) {
+                params.push(await this.getVariableDeclaration(param))
+            }
+            return `(${params.join(', ')})`
+        }
+    }
+
+    /**
+     * 
+     * @param node 
+     * @returns 
+     */
+    async getFunctionReturnParameters(node: any) {
+        let localParam = (node.returnParameters && node.returnParameters.parameters)
+        if (localParam) {
+            const params = []
+            for (const param of localParam) {
+                params.push(await this.getVariableDeclaration(param))
+            }
+            return `(${params.join(', ')})`
+        }
+    }
+
+
 
 }

libs/remix-core-plugin/src/lib/editor-context-listener.ts

@@ -1,36 +1,18 @@
 'use strict'
 import { Plugin } from '@remixproject/engine'
 import { sourceMappingDecoder } from '@remix-project/remix-debug'
-import { CompilerAbstract } from '@remix-project/remix-solidity'
-import { Compiler } from '@remix-project/remix-solidity'
-
-
-import { CompilationError, CompilationResult, CompilationSource, helper } from '@remix-project/remix-solidity-ts'
-
 
 const profile = {
   name: 'contextualListener',
-  methods: ['getBlockName', 'getLastNodeInLine', 'resolveImports', 'parseSource', 'getAST', 'nodesWithScope', 'nodesWithName', 'getNodes', 'compile', 'getNodeById', 'getLastCompilationResult', 'positionOfDefinition', 'definitionAtPosition', 'jumpToDefinition', 'referrencesAtPosition', 'nodesAtEditorPosition', 'referencesOf', 'getActiveHighlights', 'gasEstimation', 'declarationOf', 'jumpToPosition'],
+  methods: ['getActiveHighlights', 'gasEstimation', 'jumpToPosition', 'jumpToDefinition'],
   events: [],
   version: '0.0.1'
 }
 
-export function isDefinition(node: any) {
-  return node.nodeType === 'ContractDefinition' ||
-    node.nodeType === 'FunctionDefinition' ||
-    node.nodeType === 'ModifierDefinition' ||
-    node.nodeType === 'VariableDeclaration' ||
-    node.nodeType === 'StructDefinition' ||
-    node.nodeType === 'EventDefinition'
-}
-
-const SolidityParser = (window as any).SolidityParser = (window as any).SolidityParser || []
-
 /*
   trigger contextChanged(nodes)
 */
 export class EditorContextListener extends Plugin {
-  _index: any
   _activeHighlights: Array<any>
   astWalker: any
   currentPosition: any
@@ -42,18 +24,11 @@ export class EditorContextListener extends Plugin {
   codeDepositCost: any
   contract: any
   activated: boolean
-  lastCompilationResult: any
-  lastAST: any
-  compiler: any
-  onAstFinished: (success: any, data: any, source: any, input: any, version: any) => Promise<void>
 
   constructor(astWalker) {
     super(profile)
     this.activated = false
-    this._index = {
-      Declarations: {},
-      FlatReferences: {}
-    }
+
     this._activeHighlights = []
 
     this.astWalker = astWalker
@@ -62,97 +37,15 @@ export class EditorContextListener extends Plugin {
   async onActivation() {
     this.on('editor', 'contentChanged', async () => {
       console.log('contentChanged')
-      await this.getAST()
-      await this.compile()
       this._stopHighlighting()
     })
 
     this.on('fileManager', 'currentFileChanged', async () => {
-      await this.getAST()
-      await this.compile()
       this._stopHighlighting()
     })
 
-    this.on('solidity', 'loadingCompiler', async (url) => {
-      console.log('loading compiler', url)
-      this.compiler.loadVersion(true, url)
-      this.compiler.event.register('compilerLoaded', async () => {
-        console.log('compiler loaded')
-      })
-    })
-
-    this.compiler = new Compiler((url, cb) => this.call('contentImport', 'resolveAndSave', url, undefined, false).then((result) => cb(null, result)).catch((error) => cb(error.message)))
-
-
-
-    this.onAstFinished = async (success, data: CompilationResult, source: CompilationSource, input: any, version) => {
-      console.log('compile success', success, data)
-      this.call('editor', 'clearAnnotations')
-      let noFatalErrors = true // ie warnings are ok
-      const checkIfFatalError = (error: CompilationError) => {
-        // Ignore warnings and the 'Deferred import' error as those are generated by us as a workaround
-        const isValidError = (error.message && error.message.includes('Deferred import')) ? false : error.severity !== 'warning'
-        if (isValidError) {
-          console.log(error)
-          noFatalErrors = false
-        }
-      }
-      const result = new CompilerAbstract('soljson', data, source, input)
-
-
-
-      if (data.error) checkIfFatalError(data.error)
-      if (data.errors) data.errors.forEach((err) => checkIfFatalError(err))
-      const allErrors = []
-      if (data.errors) {
-        for (const error of data.errors) {
-          console.log('ERROR POS', error)
-          let pos = helper.getPositionDetails(error.formattedMessage)
-          console.log('ERROR POS', pos)
-          const sources = result.getSourceCode().sources
-          const source = sources[pos.file]
-          const lineColumn = await this.call('offsetToLineColumnConverter', 'offsetToLineColumn',
-            {
-              start: error.sourceLocation.start,
-              length: error.sourceLocation.end - error.sourceLocation.start
-            },
-            0,
-            sources,
-            null)
-          console.log('lineColumn', lineColumn)
-          allErrors.push({ error, lineColumn })
-        }
-        await this.call('editor', 'addErrorMarker', allErrors)
-      } else {
-        await this.call('editor', 'clearErrorMarkers', result.getSourceCode().sources)
-      }
-      
-
-      if (!data.sources) return
-      if (data.sources && Object.keys(data.sources).length === 0) return
-      this.lastCompilationResult = new CompilerAbstract('soljson', data, source, input)
-
-      this._stopHighlighting()
-      this._index = {
-        Declarations: {},
-        FlatReferences: {}
-      }
-      this._buildIndex(data, source)
-      this.emit('astFinished')
-    }
-
-    this.compiler.event.register('astFinished', this.onAstFinished)
-
-    setInterval(async () => {
-
-      //await this.compile()
-    }, 1000)
-
-
-
     setInterval(async () => {
-      return
-      const compilationResult = this.lastCompilationResult // await this.call('compilerArtefacts', 'getLastCompilationResult')
+      const compilationResult = await this.call('codeParser', 'getLastCompilationResult')
       if (compilationResult && compilationResult.languageversion.indexOf('soljson') === 0) {
 
         let currentFile
@@ -170,245 +63,20 @@ export class EditorContextListener extends Plugin {
     }, 1000)
   }
 
-  async getLastCompilationResult() {
-    return this.lastCompilationResult
-  }
-
-  async compile() {
-    console.log('compile')
-    try {
-      const state = await this.call('solidity', 'getCompilerState')
-      this.compiler.set('optimize', state.optimize)
-      this.compiler.set('evmVersion', state.evmVersion)
-      this.compiler.set('language', state.language)
-      this.compiler.set('runs', state.runs)
-      this.compiler.set('useFileConfiguration', state.useFileConfiguration)
-      this.currentFile = await this.call('fileManager', 'file')
-      if (!this.currentFile) return
-      const content = await this.call('fileManager', 'readFile', this.currentFile)
-      // console.log('compile', this.currentFile, content)
-      const sources = { [this.currentFile]: { content } }
-      this.compiler.compile(sources, this.currentFile)
-    } catch (e) {
-      console.log(e)
-    }
-  }
-
-  async resolveImports(node, imported = {}) {
-    if (node.nodeType === 'ImportDirective' && !imported[node.sourceUnit]) {
-      console.log('IMPORTING', node)
-      const importNode = await this.getNodeById(node.sourceUnit)
-      imported[importNode.id] = importNode
-      if (importNode.nodes) {
-        for (const child of importNode.nodes) {
-          imported = await this.resolveImports(child, imported)
-        }
-      }
-    }
-    console.log(imported)
-    return imported
-  }
-
-  async getBlockName(position: any, text: string = null) {
-    await this.getAST(text)
-    const allowedTypes = ['SourceUnit', 'ContractDefinition', 'FunctionDefinition']
-
-    const walkAst = (node) => {
-      console.log(node)
-      if (node.loc.start.line <= position.lineNumber && node.loc.end.line >= position.lineNumber) {
-        const children = node.children || node.subNodes
-        if (children && allowedTypes.indexOf(node.type) !== -1) {
-          for (const child of children) {
-            const result = walkAst(child)
-            if (result) return result
-          }
-        }
-        return node
-      }
-      return null
-    }
-    if (!this.lastAST) return
-    return walkAst(this.lastAST)
-  }
-
-  async getAST(text: string = null) {
-    this.currentFile = await this.call('fileManager', 'file')
-    if (!this.currentFile) return
-    const fileContent = text || await this.call('fileManager', 'readFile', this.currentFile)
-    try {
-      const ast = await this.parseSource(fileContent)
-      this.lastAST = ast
-      console.log('AST PARSE SUCCESS', ast)
-    } catch (e) {
-      console.log(e)
-    }
-    console.log('LAST PARSER AST', this.lastAST)
-    return this.lastAST
-  }
-
-  async parseSource(text: string) {
-    //console.log('PARSING', text)
-    const ast = (SolidityParser as any).parse(text, { loc: true, range: true, tolerant: true })
-    console.log('AST PARSE SUCCESS', ast)
-    return ast
-  }
-
-  async getLastNodeInLine(ast: string) {
-    let lastNode
-    const checkLastNode = (node) => {
-      if (lastNode && lastNode.range && lastNode.range[1]) {
-        if (node.range[1] > lastNode.range[1]) {
-          lastNode = node
-        }
-      } else {
-        lastNode = node
-      }
-    }
-
-    (SolidityParser as any).visit(ast, {
-      MemberAccess: function (node) {
-        checkLastNode(node)
-      },
-      Identifier: function (node) {
-        checkLastNode(node)
-      }
-    })
-    if (lastNode && lastNode.expression) {
-      console.log('lastNode', lastNode.expression)
-      return lastNode.expression
-    }
-    console.log('lastNode', lastNode)
-    return lastNode
-  }
-
   getActiveHighlights() {
     return [...this._activeHighlights]
   }
 
-  declarationOf(node) {
-    if (node && node.referencedDeclaration) {
-      return this._index.FlatReferences[node.referencedDeclaration]
-    } else {
-      // console.log(this._index.FlatReferences)
-    }
-    return null
-  }
-
-  referencesOf(node: any) {
-    const results = []
-    const highlights = (id) => {
-      if (this._index.Declarations && this._index.Declarations[id]) {
-        const refs = this._index.Declarations[id]
-        for (const ref in refs) {
-          const node = refs[ref]
-          results.push(node)
-        }
-      }
-    }
-    if (node && node.referencedDeclaration) {
-      highlights(node.referencedDeclaration)
-      const current = this._index.FlatReferences[node.referencedDeclaration]
-      results.push(current)
-    } else {
-      highlights(node.id)
-    }
-    return results
-  }
-
-  async nodesAtEditorPosition(position: any, type = '') {
-    const lastCompilationResult = this.lastCompilationResult // await this.call('compilerArtefacts', 'getLastCompilationResult')
-    if (!lastCompilationResult) return false
-    const urlFromPath = await this.call('fileManager', 'getUrlFromPath', this.currentFile)
-    if (lastCompilationResult && lastCompilationResult.languageversion.indexOf('soljson') === 0 && lastCompilationResult.data) {
-      const nodes = sourceMappingDecoder.nodesAtPosition(type, position, lastCompilationResult.data.sources[this.currentFile] || lastCompilationResult.data.sources[urlFromPath.file])
-      return nodes
-    }
-    return []
-  }
-
-  async referrencesAtPosition(position: any) {
-    const nodes = await this.nodesAtEditorPosition(position)
-    if (nodes && nodes.length) {
-      const node = nodes[nodes.length - 1]
-      if (node) {
-        return this.referencesOf(node)
-      }
-    }
-  }
-
-  async getNodeById(id: any) {
-    for (const key in this._index.FlatReferences) {
-      if (this._index.FlatReferences[key].id === id) {
-        return this._index.FlatReferences[key]
-      }
-    }
-  }
-
-  async nodesWithScope(scope: any) {
-    const nodes = []
-    for (const node of Object.values(this._index.FlatReferences) as any[]) {
-      if (node.scope === scope) nodes.push(node)
-    }
-    return nodes
-  }
-
-  async nodesWithName(name: string) {
-    const nodes = []
-    for (const node of Object.values(this._index.FlatReferences) as any[]) {
-      if (node.name === name) nodes.push(node)
-    }
-    return nodes
-  }
-
-  async definitionAtPosition(position: any) {
-    const nodes = await this.nodesAtEditorPosition(position)
-    console.log('nodes at position', nodes)
-    console.log(this._index.FlatReferences)
-    let nodeDefinition: any
-    let node: any
-    if (nodes && nodes.length) {
-      node = nodes[nodes.length - 1]
-      nodeDefinition = node
-      if (!isDefinition(node)) {
-        nodeDefinition = await this.declarationOf(node) || node
-      }
-      if (node.nodeType === 'ImportDirective') {
-        for (const key in this._index.FlatReferences) {
-          if (this._index.FlatReferences[key].id === node.sourceUnit) {
-            nodeDefinition = this._index.FlatReferences[key]
-          }
-        }
-      }
-      return nodeDefinition
-    } else {
-      return false
-    }
-
-  }
-
-  async positionOfDefinition(node: any) {
-    if (node) {
-      if (node.src) {
-        const position = sourceMappingDecoder.decode(node.src)
-        if (position) {
-          return position
-        }
-      }
-    }
-    return null
-  }
-
   async jumpToDefinition(position: any) {
-    const node = await this.definitionAtPosition(position)
-    const sourcePosition = await this.positionOfDefinition(node)
+    const node = await this.call('codeParser', 'definitionAtPosition', position)
+    const sourcePosition = await this.call('codeParser', 'positionOfDefinition', node)
+    console.log("JUMP", sourcePosition)
     if (sourcePosition) {
       await this.jumpToPosition(sourcePosition)
     }
   }
 
-  async getNodes() {
-    return this._index.FlatReferences
-  }
+
 
   /*
   * onClick jump to position of ast node in the editor
@@ -424,7 +92,7 @@ export class EditorContextListener extends Plugin {
         this.call('editor', 'gotoLine', lineColumn.start.line, lineColumn.end.column + 1)
       }
     }
-    const lastCompilationResult = this.lastCompilationResult // await this.call('compilerArtefacts', 'getLastCompilationResult')
+    const lastCompilationResult = await this.call('codeParser', 'getLastCompilationResult')  // await this.call('compilerArtefacts', 'getLastCompilationResult')
     console.log(lastCompilationResult.getSourceCode().sources)
     console.log(position)
     if (lastCompilationResult && lastCompilationResult.languageversion.indexOf('soljson') === 0 && lastCompilationResult.data) {
@@ -456,23 +124,6 @@ export class EditorContextListener extends Plugin {
     }
   }
 
-  _buildIndex(compilationResult, source) {
-    if (compilationResult && compilationResult.sources) {
-      const callback = (node) => {
-        if (node && node.referencedDeclaration) {
-          if (!this._index.Declarations[node.referencedDeclaration]) {
-            this._index.Declarations[node.referencedDeclaration] = []
-          }
-          this._index.Declarations[node.referencedDeclaration].push(node)
-        }
-        this._index.FlatReferences[node.id] = node
-      }
-      for (const s in compilationResult.sources) {
-        this.astWalker.walkFull(compilationResult.sources[s].ast, callback)
-      }
-    }
-  }
-
   async _highlight(node, compilationResult) {
     if (!node) return
     const position = sourceMappingDecoder.decode(node.src)
@@ -512,9 +163,10 @@ export class EditorContextListener extends Plugin {
   }
 
   async _highlightExpressions(node, compilationResult) {
+    
     const highlights = async (id) => {
-      if (this._index.Declarations && this._index.Declarations[id]) {
-        const refs = this._index.Declarations[id]
+      let refs = await this.call('codeParser', 'getDeclaration', id)
+      if (refs) {
         for (const ref in refs) {
           const node = refs[ref]
           await this._highlight(node, compilationResult)
@@ -523,7 +175,7 @@ export class EditorContextListener extends Plugin {
     }
     if (node && node.referencedDeclaration) {
       await highlights(node.referencedDeclaration)
-      const current = this._index.FlatReferences[node.referencedDeclaration]
+      const current = await this.call('codeParser', 'getNodeById', node.referencedDeclaration) // this._index.FlatReferences[node.referencedDeclaration]
       await this._highlight(current, compilationResult)
     } else {
       await highlights(node.id)
@@ -531,6 +183,7 @@ export class EditorContextListener extends Plugin {
     }
 
     this.results = compilationResult
+    
   }
 
   _stopHighlighting() {
@@ -563,6 +216,7 @@ export class EditorContextListener extends Plugin {
   }
 
   _loadContractInfos(node) {
+    console.log(this.results)
     const path = (this.nodes.length && this.nodes[0].absolutePath) || this.results.source.target
     for (const i in this.nodes) {
       if (this.nodes[i].id === node.scope) {

libs/remix-ui/editor/src/lib/providers/completionProvider.ts

@@ -1,3 +1,4 @@
+import { isArray } from "lodash"
 import { editor, languages, Position } from "monaco-editor"
 import monaco from "../../types/monaco"
 import { EditorUIProps } from "../remix-ui-editor"
@@ -39,114 +40,53 @@ export class RemixCompletionProvider implements languages.CompletionItemProvider
         if (context.triggerCharacter === '.') {
             console.clear()
             console.log('TEXT', line)
-            const textBeforeCursor = line.substring(0, position.column - 1)
-            const textAfterCursor = line.substring(position.column - 1)
-            // parse the line witout changing the line
+            const lineTextBeforeCursor = line.substring(0, position.column - 1)
+            const lastNodeInExpression = await this.getLastNodeInExpression(lineTextBeforeCursor)
+            console.log('lastNode found', lastNodeInExpression)
+            console.log(lineTextBeforeCursor)
+            const expressionElements = lineTextBeforeCursor.split('.')
 
-            const wrapLineInFunction = (text: string) => {
-                return `function() {
-                    ${text}
-                }`
-            }
-
-            let lastNode
-            const checkLastNode = (node) => {
-                if (!node) return
-                if (lastNode && lastNode.range && lastNode.range[1]) {
-                    if (node.range[1] > lastNode.range[1]) {
-                        lastNode = node
-                    }
-                } else {
-                    lastNode = node
-                }
-            }
-
-            const linesToCheck =
-                [
-                    textBeforeCursor.substring(0, textBeforeCursor.lastIndexOf('.')) + ".lastnode;",
-                    textBeforeCursor.substring(0, textBeforeCursor.lastIndexOf('.')) + ".lastnode;}",
-                    textBeforeCursor.substring(0, textBeforeCursor.lastIndexOf('.')) + ".lastnode);",
-                    wrapLineInFunction(textBeforeCursor.substring(0, textBeforeCursor.lastIndexOf('.')) + ".lastnode;"),
-                    wrapLineInFunction(textBeforeCursor.substring(0, textBeforeCursor.lastIndexOf('.')) + ".lastnode;}"),
-                    wrapLineInFunction(textBeforeCursor.substring(0, textBeforeCursor.lastIndexOf('.')) + ".lastnode;)"),
-                ]
-
-            for (const line of linesToCheck) {
-                try {
-                    const lineAst = await this.props.plugin.call('contextualListener', 'parseSource', line)
-                    const lastNode = await this.props.plugin.call('contextualListener', 'getLastNodeInLine', lineAst)
-                    checkLastNode(lastNode)
-                } catch (e) {
-
-                }
-            }
-            console.log('lastNode found', lastNode)
-            console.log(textBeforeCursor, textAfterCursor)
-            const splits = textBeforeCursor.split('.')
-
-            console.log('splits', splits)
+            console.log('expression elements', expressionElements)
             let dotCompleted = false
-            if (splits.length === 2) {
-                let globalCompletion = getContextualAutoCompleteByGlobalVariable(lastNode.name, range, this.monaco)
+            if (expressionElements.length === 2) {
+                let globalCompletion = getContextualAutoCompleteByGlobalVariable(lastNodeInExpression.name, range, this.monaco)
                 if (globalCompletion) {
                     dotCompleted = true
                     suggestions = [...suggestions, ...globalCompletion]
                 }
-                if (lastNode.name === 'this') {
+                if (lastNodeInExpression.name === 'this') {
                     dotCompleted = true
                     nodes = [...nodes, ...await this.getContractCompletions(nodes, position)]
                 }
             }
-            if (splits.length > 1 && !dotCompleted) {
-                let last = splits[splits.length - 2].trim()
-                const lastParentheses = last.lastIndexOf('(')
-                const lastClosingParentheses = last.lastIndexOf(')')
-                const lastBracket = last.lastIndexOf('{')
-                const lastSemiColon = last.lastIndexOf(';')
-                let textBefore = null
-                let lineWithoutEdits = null
-                // get word before last closing parentheses
-                if (lastParentheses > -1 && lastClosingParentheses > -1) {
-                    //textBefore = last.substring(0, lastParentheses)
-                }
-                // find largest 
-                const lastIndex = Math.max(lastParentheses, lastBracket, lastSemiColon)
-                if (lastIndex > -1) {
-                    textBefore = last.substring(0, lastIndex + 1)
-                    console.log('textBefore', textBefore)
-                    console.log('text without edits', textBefore, textAfterCursor)
-                    lineWithoutEdits = `${textBefore}${textAfterCursor}`
-                }
-                last = lastNode.name || lastNode.memberName
-                console.log('last', last)
+            if (expressionElements.length > 1 && !dotCompleted) {
 
-                const lines = model.getLinesContent()
-                lines[position.lineNumber - 1] = lineWithoutEdits
-
-                const textWithoutEdits = lines.join('\n')
-                console.log('textWithoutEdits', textWithoutEdits)
+                const last = lastNodeInExpression.name || lastNodeInExpression.memberName
+                console.log('last', last)
 
-                let nodesAtPosition = await this.props.plugin.call('contextualListener', 'nodesAtEditorPosition', cursorPosition)
+                let nodesAtPosition;
 
-                console.log('NODES AT POSITION', nodesAtPosition)
-                const block = await this.props.plugin.call('contextualListener', 'getBlockName', position, textWithoutEdits)
+                const block = await this.props.plugin.call('codeParser', 'getBlockAtPosition', position, null)
                 console.log('BLOCK', block)
-                //if (!nodesAtPosition.length) {
+
                 if (block) {
-                    nodesAtPosition = await this.props.plugin.call('contextualListener', 'nodesAtEditorPosition', block.body ? block.body.range[0] : block.range[0])
+                    nodesAtPosition = await this.props.plugin.call('codeParser', 'nodesAtPosition', block.body ? block.body.range[0] : block.range[0])
                     console.log('NODES AT POSITION WITH BLOCK', nodesAtPosition)
+                } else{
+                    nodesAtPosition = await this.props.plugin.call('codeParser', 'nodesAtPosition', cursorPosition)
+                    console.log('NODES AT POSITION', nodesAtPosition)
                 }
-                //}
+
                 // explore nodes at the BLOCK
                 if (nodesAtPosition) {
                     for (const node of nodesAtPosition) {
-                        const nodesOfScope = await this.props.plugin.call('contextualListener', 'nodesWithScope', node.id)
+                        const nodesOfScope = await this.props.plugin.call('codeParser', 'getNodesWithScope', node.id)
                         console.log('NODES OF SCOPE ', node.name, node.id, nodesOfScope)
                         for (const nodeOfScope of nodesOfScope) {
                             if (nodeOfScope.name === last) {
                                 console.log('FOUND NODE', nodeOfScope)
                                 if (nodeOfScope.typeName && nodeOfScope.typeName.nodeType === 'UserDefinedTypeName') {
-                                    const declarationOf = await this.props.plugin.call('contextualListener', 'declarationOf', nodeOfScope.typeName)
+                                    const declarationOf = await this.props.plugin.call('codeParser', 'declarationOf', nodeOfScope.typeName)
                                     console.log('HAS DECLARATION OF', declarationOf)
                                     nodes = [...nodes, ...declarationOf.nodes || declarationOf.members]
                                     const baseContracts = await this.getlinearizedBaseContracts(declarationOf)
@@ -163,9 +103,9 @@ export class RemixCompletionProvider implements languages.CompletionItemProvider
                             if (node.statements) {
                                 for (const statement of node.statements) {
                                     if (statement.expression && statement.expression.memberName === last) {
-                                        const declarationOf = await this.props.plugin.call('contextualListener', 'declarationOf', statement.expression)
+                                        const declarationOf = await this.props.plugin.call('codeParser', 'declarationOf', statement.expression)
                                         if (declarationOf.typeName && declarationOf.typeName.nodeType === 'UserDefinedTypeName') {
-                                            const baseDeclaration = await this.props.plugin.call('contextualListener', 'declarationOf', declarationOf.typeName)
+                                            const baseDeclaration = await this.props.plugin.call('codeParser', 'declarationOf', declarationOf.typeName)
                                             console.log('HAS BASE DECLARATION OF', baseDeclaration)
                                             nodes = [...nodes, ...baseDeclaration.nodes || baseDeclaration.members]
                                         }
@@ -178,13 +118,13 @@ export class RemixCompletionProvider implements languages.CompletionItemProvider
 
                 // brute force search in all nodes with the name
                 if (!nodes.length) {
-                    const nodesOfScope = await this.props.plugin.call('contextualListener', 'nodesWithName', last)
+                    const nodesOfScope = await this.props.plugin.call('codeParser', 'getNodesWithName', last)
                     console.log('NODES WITHE NAME ', last, nodesOfScope)
                     for (const nodeOfScope of nodesOfScope) {
                         if (nodeOfScope.name === last) {
                             console.log('FOUND NODE', nodeOfScope)
                             if (nodeOfScope.typeName && nodeOfScope.typeName.nodeType === 'UserDefinedTypeName') {
-                                const declarationOf = await this.props.plugin.call('contextualListener', 'declarationOf', nodeOfScope.typeName)
+                                const declarationOf = await this.props.plugin.call('codeParser', 'declarationOf', nodeOfScope.typeName)
                                 console.log('HAS DECLARATION OF', declarationOf)
                                 // nodes = [...nodes, ...declarationOf.nodes || declarationOf.members]
                                 const baseContracts = await this.getlinearizedBaseContracts(declarationOf)
@@ -213,43 +153,24 @@ export class RemixCompletionProvider implements languages.CompletionItemProvider
         console.log('WORD', word, wordAt)
         console.log('NODES', nodes)
 
-        const getLinks = async (node: any) => {
-            const position = await this.props.plugin.call('contextualListener', 'positionOfDefinition', node)
-            const lastCompilationResult = await this.props.plugin.call('contextualListener', 'getLastCompilationResult')
-            const filename = lastCompilationResult.getSourceName(position.file)
-            const lineColumn = await this.props.plugin.call('offsetToLineColumnConverter', 'offsetToLineColumn',
-                position,
-                position.file,
-                lastCompilationResult.getSourceCode().sources,
-                lastCompilationResult.getAsts())
-            return `${filename} ${lineColumn.start.line}:${lineColumn.start.column}`
+        const getNodeLink = async (node: any) => {
+            return await this.props.plugin.call('codeParser', 'getNodeLink', node)
         }
 
         const getDocs = async (node: any) => {
-            if (node.documentation && node.documentation.text) {
-                let text = ''
-                node.documentation.text.split('\n').forEach(line => {
-                    text += `${line.trim()}\n`
-                })
-                return text
-            }
+            return await this.props.plugin.call('codeParser', 'getNodeDocumentation', node)
         }
 
-        const getParamaters = async (parameters: any) => {
-            if (parameters && parameters.parameters) {
-                const params = []
-                for (const param of parameters.parameters) {
-                    params.push(await getVariableDeclaration(param))
-                }
-                return `(${params.join(', ')})`
-            }
+        const getParamaters = async (node: any) => {
+            return await this.props.plugin.call('codeParser', 'getFunctionParamaters', node)
         }
 
         const completeParameters = async (parameters: any) => {
-            if (parameters && parameters.parameters) {
+            let localParam = ( parameters && parameters.parameters ) || (parameters)
+            if (localParam) {
                 const params = []
-                for (const key in parameters.parameters) {
-                    params.push('${' + (key + 1) + ':' + parameters.parameters[key].name + '}')
+                for (const key in localParam) {
+                    params.push('${' + (key + 1) + ':' + localParam[key].name + '}')
                 }
                 return `(${params.join(', ')})`
             }
@@ -257,14 +178,7 @@ export class RemixCompletionProvider implements languages.CompletionItemProvider
 
 
         const getVariableDeclaration = async (node: any) => {
-            if (node.typeDescriptions && node.typeDescriptions.typeString) {
-                return `${node.typeDescriptions.typeString}${node.name && node.name.length ? ` ${node.name}` : ''}`
-            } else
-                if (node.typeName && node.typeName.name) {
-                    return `${node.typeName.name}${node.name && node.name.length ? ` ${node.name}` : ''}`
-                } else {
-                    return `${node.name && node.name.length ? ` ${node.name}` : ''}`
-                }
+            return await this.props.plugin.call('codeParser', 'getVariableDeclaration', node)
         }
 
 
@@ -272,7 +186,7 @@ export class RemixCompletionProvider implements languages.CompletionItemProvider
             if (!node.name) continue
             if (node.nodeType === 'VariableDeclaration') {
                 const completion = {
-                    label: { label: `"${node.name}"`, description: await getLinks(node), detail: ` ${await getVariableDeclaration(node)}` },
+                    label: { label: `"${node.name}"`, description: await getNodeLink(node), detail: ` ${await getVariableDeclaration(node)}` },
                     kind: this.monaco.languages.CompletionItemKind.Variable,
                     insertText: node.name,
                     range: range,
@@ -282,7 +196,7 @@ export class RemixCompletionProvider implements languages.CompletionItemProvider
             } else if (node.nodeType === 'FunctionDefinition') {
 
                 const completion = {
-                    label: { label: `"${node.name}"`, description: await getLinks(node), detail: ` -> ${node.name} ${await getParamaters(node.parameters)}` },
+                    label: { label: `"${node.name}"`, description: await getNodeLink(node), detail: ` -> ${node.name} ${await getParamaters(node)}` },
                     kind: this.monaco.languages.CompletionItemKind.Function,
                     insertText: `${node.name}${await completeParameters(node.parameters)};`,
                     insertTextRules: this.monaco.languages.CompletionItemInsertTextRule.InsertAsSnippet,
@@ -293,7 +207,7 @@ export class RemixCompletionProvider implements languages.CompletionItemProvider
             } else if
                 (node.nodeType === 'ContractDefinition') {
                 const completion = {
-                    label: { label: `"${node.name}"`, description: await getLinks(node), detail: ` ${node.name}` },
+                    label: { label: `"${node.name}"`, description: await getNodeLink(node), detail: ` ${node.name}` },
                     kind: this.monaco.languages.CompletionItemKind.Interface,
                     insertText: node.name,
                     range: range,
@@ -303,7 +217,7 @@ export class RemixCompletionProvider implements languages.CompletionItemProvider
             } else if
                 (node.nodeType === 'StructDefinition') {
                 const completion = {
-                    label: { label: `"${node.name}"`, description: await getLinks(node), detail: ` ${node.name}` },
+                    label: { label: `"${node.name}"`, description: await getNodeLink(node), detail: ` ${node.name}` },
                     kind: this.monaco.languages.CompletionItemKind.Struct,
                     insertText: node.name,
                     range: range,
@@ -313,7 +227,7 @@ export class RemixCompletionProvider implements languages.CompletionItemProvider
             } else if
                 (node.nodeType === 'EnumDefinition') {
                 const completion = {
-                    label: { label: `"${node.name}"`, description: await getLinks(node), detail: ` ${node.name}` },
+                    label: { label: `"${node.name}"`, description: await getNodeLink(node), detail: ` ${node.name}` },
                     kind: this.monaco.languages.CompletionItemKind.Enum,
                     insertText: node.name,
                     range: range,
@@ -323,7 +237,7 @@ export class RemixCompletionProvider implements languages.CompletionItemProvider
             } else if
                 (node.nodeType === 'EventDefinition') {
                 const completion = {
-                    label: { label: `"${node.name}"`, description: await getLinks(node), detail: ` ${node.name}` },
+                    label: { label: `"${node.name}"`, description: await getNodeLink(node), detail: ` ${node.name}` },
                     kind: this.monaco.languages.CompletionItemKind.Event,
                     insertText: node.name,
                     range: range,
@@ -333,7 +247,7 @@ export class RemixCompletionProvider implements languages.CompletionItemProvider
             } else if
                 (node.nodeType === 'ModifierDefinition') {
                 const completion = {
-                    label: { label: `"${node.name}"`, description: await getLinks(node), detail: ` ${node.name}` },
+                    label: { label: `"${node.name}"`, description: await getNodeLink(node), detail: ` ${node.name}` },
                     kind: this.monaco.languages.CompletionItemKind.Method,
                     insertText: node.name,
                     range: range,
@@ -345,18 +259,6 @@ export class RemixCompletionProvider implements languages.CompletionItemProvider
             }
         }
 
-        suggestions = [...suggestions,
-            /*             ...GetGlobalVariable(range, this.monaco), 
-                        ...getCompletionSnippets(range, this.monaco), 
-                        ...getBlockCompletionItems(range, this.monaco), 
-                        ...GetCompletionTypes(range,this.monaco), 
-                        ...GetCompletionKeywords(range,this.monaco),
-                        ...GetGlobalFunctions(range,this.monaco),
-                        ...GeCompletionUnits(range,this.monaco),
-                        ...getMsgCompletionItems(range,this.monaco),
-                        ...getTxCompletionItems(range,this.monaco), */
-        ]
-
         console.log(suggestions)
         return {
             suggestions
@@ -368,7 +270,7 @@ export class RemixCompletionProvider implements languages.CompletionItemProvider
         if (node.linearizedBaseContracts) {
             for (const id of node.linearizedBaseContracts) {
                 if (id !== node.id) {
-                    const baseContract = await this.props.plugin.call('contextualListener', 'getNodeById', id)
+                    const baseContract = await this.props.plugin.call('codeParser', 'getNodeById', id)
                     params = [...params, ...[baseContract]]
                 }
             }
@@ -378,21 +280,22 @@ export class RemixCompletionProvider implements languages.CompletionItemProvider
 
     private getContractCompletions = async (nodes: any[], position: Position) => {
         const cursorPosition = this.props.editorAPI.getCursorPosition()
-        let nodesAtPosition = await this.props.plugin.call('contextualListener', 'nodesAtEditorPosition', cursorPosition)
+        let nodesAtPosition = await this.props.plugin.call('codeParser', 'nodesAtPosition', cursorPosition)
 
         // if no nodes exits at position, try to get the block of which the position is in
         if (!nodesAtPosition.length) {
-            const block = await this.props.plugin.call('contextualListener', 'getBlockName', position, null)
+            const block = await this.props.plugin.call('codeParser', 'getBlockAtPosition', position, null)
             if (block) {
-                nodesAtPosition = await this.props.plugin.call('contextualListener', 'nodesAtEditorPosition', block.range[0])
+                nodesAtPosition = await this.props.plugin.call('codeParser', 'nodesAtPosition', block.range[0])
             }
         }
 
         // get all children of all nodes at position
+        if (isArray(nodesAtPosition)) {
             for (const node of nodesAtPosition) {
-            const nodesOfScope = await this.props.plugin.call('contextualListener', 'nodesWithScope', node.id)
+                const nodesOfScope = await this.props.plugin.call('codeParser', 'getNodesWithScope', node.id)
                 for (const nodeOfScope of nodesOfScope) {
-                const imports = await this.props.plugin.call('contextualListener', 'resolveImports', nodeOfScope)
+                    const imports = await this.props.plugin.call('codeParser', 'resolveImports', nodeOfScope)
                     if (imports) {
                         for (const key in imports) {
                             if (imports[key].nodes)
@@ -409,6 +312,54 @@ export class RemixCompletionProvider implements languages.CompletionItemProvider
                     nodes = [...nodes, ...baseContract.nodes]
                 }
             }
+        } else {
+            // get all the nodes from a simple code parser which only parses the current file
+            nodes = [...nodes, ...await this.props.plugin.call('codeParser', 'listAstNodes')]
+        }
+
         return nodes
     }
+
+    /**
+     * 
+     * @param lineTextBeforeCursor 
+     * @returns 
+     */
+    private async getLastNodeInExpression(lineTextBeforeCursor: string) {
+
+        const wrapLineInFunction = async(text: string) => {
+            return `function() {
+                ${text}
+            }`
+        }
+
+        let lastNodeInExpression
+
+        const linesToCheck =
+            [
+                lineTextBeforeCursor.substring(0, lineTextBeforeCursor.lastIndexOf('.')) + ".lastnode;",
+                lineTextBeforeCursor.substring(0, lineTextBeforeCursor.lastIndexOf('.')) + ".lastnode;}",
+                lineTextBeforeCursor.substring(0, lineTextBeforeCursor.lastIndexOf('.')) + ".lastnode);",
+                await wrapLineInFunction(lineTextBeforeCursor.substring(0, lineTextBeforeCursor.lastIndexOf('.')) + ".lastnode;"),
+                await wrapLineInFunction(lineTextBeforeCursor.substring(0, lineTextBeforeCursor.lastIndexOf('.')) + ".lastnode;}"),
+                await wrapLineInFunction(lineTextBeforeCursor.substring(0, lineTextBeforeCursor.lastIndexOf('.')) + ".lastnode;)"),
+                await wrapLineInFunction(lineTextBeforeCursor.substring(0, lineTextBeforeCursor.lastIndexOf('.')) + ".lastnode)"),
+                await wrapLineInFunction(lineTextBeforeCursor.substring(0, lineTextBeforeCursor.lastIndexOf('.')) + ".lastnode);"),
+            ]
+
+        for (const line of linesToCheck) {
+            try {
+                const lineAst = await this.props.plugin.call('codeParser', 'parseSolidity', line)
+                const lastNode = await this.props.plugin.call('codeParser', 'getLastNodeInLine', lineAst)
+                if(lastNode) {
+                    lastNodeInExpression = lastNode
+                    break
+                }
+                    
+            } catch (e) {
+
+            }
+        }
+        return lastNodeInExpression
+    }
 }

libs/remix-ui/editor/src/lib/providers/hoverProvider.ts

@@ -16,22 +16,15 @@ export class RemixHoverProvider implements languages.HoverProvider {
 
         const cursorPosition = this.props.editorAPI.getHoverPosition(position)
 
-        const nodeAtPosition = await this.props.plugin.call('contextualListener', 'definitionAtPosition', cursorPosition)
+        const nodeAtPosition = await this.props.plugin.call('codeParser', 'definitionAtPosition', cursorPosition)
         console.log(nodeAtPosition)
         const contents = []
 
         const getDocs = async (node: any) => {
-            if (node.documentation && node.documentation.text) {
-                let text = ''
-                node.documentation.text.split('\n').forEach(line => {
-                    text += `${line.trim()}\n`
-                })
             contents.push({
-
-                    value: text
+                value: await this.props.plugin.call('codeParser', 'getNodeDocumentation', node)
             })
         }
-        }
 
         const getScope = async (node: any) => {
             if (node.id) {
@@ -48,42 +41,25 @@ export class RemixHoverProvider implements languages.HoverProvider {
         }
 
         const getLinks = async (node: any) => {
-            const position = await this.props.plugin.call('contextualListener', 'positionOfDefinition', node)
-            const lastCompilationResult = await this.props.plugin.call('contextualListener', 'getLastCompilationResult')
-            const filename = lastCompilationResult.getSourceName(position.file)
-            console.log(filename, position)
-            const lineColumn = await this.props.plugin.call('offsetToLineColumnConverter', 'offsetToLineColumn',
-                position,
-                position.file,
-                lastCompilationResult.getSourceCode().sources,
-                lastCompilationResult.getAsts())
             contents.push({
-                value: `${filename} ${lineColumn.start.line}:${lineColumn.start.column}`
+                value: await this.props.plugin.call('codeParser', 'getNodeLink', node)
             })
         }
 
         const getVariableDeclaration = async (node: any) => {
-            if (node.typeDescriptions && node.typeDescriptions.typeString) {
-                return `${node.typeDescriptions.typeString}${node.name && node.name.length ? ` ${node.name}` : ''}`
-            } else
-                if (node.typeName && node.typeName.name) {
-                    return `${node.typeName.name}${node.name && node.name.length ? ` ${node.name}` : ''}`
-                } else {
-                    return `${node.name && node.name.length ? ` ${node.name}` : ''}`
-                }
+            return await this.props.plugin.call('codeParser', 'getVariableDeclaration', node)
         }
 
 
-        const getParamaters = async (parameters: any) => {
-            if (parameters && parameters.parameters) {
-                let params = []
-                for (const param of parameters.parameters) {
-                    params.push(await getVariableDeclaration(param))
-                }
-                return `(${params.join(', ')})`
+        const getParamaters = async (node: any) => {
+            return await this.props.plugin.call('codeParser', 'getFunctionParamaters', node)
         }
+
+        const getReturnParameters = async (node: any) => {
+            return await this.props.plugin.call('codeParser', 'getFunctionReturnParameters', node)
         }
 
+
         const getOverrides = async (node: any) => {
             if (node.overrides) {
                 let overrides = []
@@ -99,7 +75,7 @@ export class RemixHoverProvider implements languages.HoverProvider {
         const getlinearizedBaseContracts = async (node: any) => {
             let params = []
             for (const id of node.linearizedBaseContracts) {
-                const baseContract = await this.props.plugin.call('contextualListener', 'getNodeById', id)
+                const baseContract = await this.props.plugin.call('codeParser', 'getNodeById', id)
                 params.push(
                     baseContract.name
                 )
@@ -112,6 +88,8 @@ export class RemixHoverProvider implements languages.HoverProvider {
         if (!nodeAtPosition) {
             contents.push({
                 value: 'Loading...'
+            }, {
+                value: 'Compilation errors'
             })
         }
 
@@ -140,7 +118,7 @@ export class RemixHoverProvider implements languages.HoverProvider {
 
             } else if (nodeAtPosition.nodeType === 'FunctionDefinition') {
                 contents.push({
-                    value: `function ${nodeAtPosition.name} ${await getParamaters(nodeAtPosition.parameters)} ${nodeAtPosition.visibility} ${nodeAtPosition.stateMutability}${await getOverrides(nodeAtPosition)} returns ${await getParamaters(nodeAtPosition.returnParameters)}`
+                    value: `function ${nodeAtPosition.name} ${await getParamaters(nodeAtPosition)} ${nodeAtPosition.visibility} ${nodeAtPosition.stateMutability}${await getOverrides(nodeAtPosition)} returns ${await getReturnParameters(nodeAtPosition)}`
                 })
 
 
@@ -149,7 +127,10 @@ export class RemixHoverProvider implements languages.HoverProvider {
                     value: `${nodeAtPosition.contractKind} ${nodeAtPosition.name} ${await getlinearizedBaseContracts(nodeAtPosition)}`
                 })
 
-
+            } else if (nodeAtPosition.nodeType === 'InvalidNode') {
+                contents.push({
+                    value: `Parsing error found!`
+                })
             } else {
                 contents.push({
                     value: `${nodeAtPosition.nodeType}`

libs/remix-ui/editor/src/lib/providers/referenceProvider.ts

@@ -11,10 +11,10 @@ export class RemixReferenceProvider {
     async provideReferences(model: any, position: any, context: any, token: any) {
 
         const cursorPosition = this.props.editorAPI.getCursorPosition()
-        const nodes = await this.props.plugin.call('contextualListener', 'referrencesAtPosition', cursorPosition)
+        const nodes = await this.props.plugin.call('codeParser', 'referrencesAtPosition', cursorPosition)
         const references = []
         if (nodes && nodes.length) {
-          const compilationResult = await this.props.plugin.call('contextualListener', 'getLastCompilationResult')
+          const compilationResult = await this.props.plugin.call('codeParser', 'getLastCompilationResult')
           const file = await this.props.plugin.call('fileManager', 'file')
           if (compilationResult && compilationResult.data && compilationResult.data.sources[file]) {
             for (const node of nodes) {

libs/remix-ui/editor/src/lib/remix-ui-editor.tsx

@@ -74,7 +74,7 @@ export interface EditorUIProps {
     findMatches: (uri: string, value: string) => any
     getFontSize: () => number,
     getValue: (uri: string) => string
-    getCursorPosition: () => cursorPosition
+    getCursorPosition: () => number
     getHoverPosition: (position: IPosition) => number
     addDecoration: (marker: sourceMarker, filePath: string, typeOfDecoration: string) => DecorationsReturn
     addErrorMarker: (errors: []) => void
@@ -541,7 +541,7 @@ export const EditorUI = (props: EditorUIProps) => {
           onCurrentFileChanged={(listener) => { props.plugin.on('fileManager', 'currentFileChanged', listener) }}
           getActiveHighlights={() => { return props.plugin.call('contextualListener', 'getActiveHighlights') }}
           gasEstimation={(node: astNode) => { return props.plugin.call('contextualListener', 'gasEstimation', node) }}
-          declarationOf={(node: astNode) => { return props.plugin.call('contextualListener', 'declarationOf', node) }}
+          declarationOf={(node: astNode) => { return props.plugin.call('codeParser', 'declarationOf', node) }}
         />
       </div>
     </div>

yarn.lock

@@ -7249,15 +7249,10 @@ caniuse-api@^3.0.0:
     lodash.memoize "^4.1.2"
     lodash.uniq "^4.5.0"
 
-caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000844, caniuse-lite@^1.0.30001030, caniuse-lite@^1.0.30001264:
-  version "1.0.30001265"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001265.tgz#0613c9e6c922e422792e6fcefdf9a3afeee4f8c3"
-  integrity sha512-YzBnspggWV5hep1m9Z6sZVLOt7vrju8xWooFAgN6BA5qvy98qPAPb7vNUzypFaoh2pb3vlfzbDO8tB57UPGbtw==
-
-caniuse-lite@^1.0.30001272, caniuse-lite@^1.0.30001286:
-  version "1.0.30001287"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001287.tgz#5fab6a46ab9e47146d5dd35abfe47beaf8073c71"
-  integrity sha512-4udbs9bc0hfNrcje++AxBuc6PfLNHwh3PO9kbwnfCQWyqtlzg3py0YgFu8jyRTTo85VAz4U+VLxSlID09vNtWA==
+caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000844, caniuse-lite@^1.0.30001030, caniuse-lite@^1.0.30001264, caniuse-lite@^1.0.30001272, caniuse-lite@^1.0.30001286:
+  version "1.0.30001356"
+  resolved "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001356.tgz"
+  integrity sha512-/30854bktMLhxtjieIxsrJBfs2gTM1pel6MXKF3K+RdIVJZcsn2A2QdhsuR4/p9+R204fZw0zCBBhktX8xWuyQ==
 
 capital-case@^1.0.4:
   version "1.0.4"
@@ -9550,7 +9545,7 @@ ent@~2.2.0:
   resolved "https://registry.yarnpkg.com/ent/-/ent-2.2.0.tgz#e964219325a21d05f44466a2f686ed6ce5f5dd1d"
   integrity sha1-6WQhkyWiHQX0RGai9obtbOX13R0=
 
-entities@^2.0.0:
+entities@^2.0.0, entities@^2.0.3:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/entities/-/entities-2.2.0.tgz#098dc90ebb83d8dffa089d55256b351d34c4da55"
   integrity sha512-p92if5Nz619I0w+akJrLZH0MX0Pb5DX39XOwQTtXSdQQOaYH03S1uIQp4mhOZtAXrxq4ViO67YTiLBo2638o9A==
@@ -14921,7 +14916,7 @@ loader-utils@^1.0.0, loader-utils@^1.0.2, loader-utils@^1.1.0, loader-utils@^1.2
     emojis-list "^3.0.0"
     json5 "^1.0.1"
 
-loader-utils@^2.0.0, loader-utils@^2.0.2:
+loader-utils@^2.0.0:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-2.0.2.tgz#d6e3b4fb81870721ae4e0868ab11dd638368c129"
   integrity sha512-TM57VeHptv569d/GKh6TAYdzKblwDNiumOdkFnejjD0XwTH87K90w3O7AiJRqdQoXygvi1VQTJTLGhJl7WqA7A==
@@ -16142,13 +16137,6 @@ mold-source-map@~0.4.0:
     convert-source-map "^1.1.0"
     through "~2.2.7"
 
-monaco-editor-webpack-plugin@^7.0.1:
-  version "7.0.1"
-  resolved "https://registry.yarnpkg.com/monaco-editor-webpack-plugin/-/monaco-editor-webpack-plugin-7.0.1.tgz#ba19c60aba990184e36ad8722b1ed6a564527c7c"
-  integrity sha512-M8qIqizltrPlIbrb73cZdTWfU9sIsUVFvAZkL3KGjAHmVWEJ0hZKa/uad14JuOckc0GwnCaoGHvMoYtJjVyCzw==
-  dependencies:
-    loader-utils "^2.0.2"
-
 monaco-editor@^0.30.1:
   version "0.30.1"
   resolved "https://registry.yarnpkg.com/monaco-editor/-/monaco-editor-0.30.1.tgz#47f8d18a0aa2264fc5654581741ab8d7bec01689"
@@ -18230,6 +18218,11 @@ pbkdf2@^3.0.17, pbkdf2@^3.0.3:
     safe-buffer "^5.0.1"
     sha.js "^2.4.8"
 
+pegjs@^0.10.0:
+  version "0.10.0"
+  resolved "https://registry.yarnpkg.com/pegjs/-/pegjs-0.10.0.tgz#cf8bafae6eddff4b5a7efb185269eaaf4610ddbd"
+  integrity sha512-qI5+oFNEGi3L5HAxDwN2LA4Gg7irF70Zs25edhjld9QemOgp0CbvMtbFcMvFtEo1OityPrcCzkQFB8JP/hxgow==
+
 pend@~1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/pend/-/pend-1.2.0.tgz#7a57eb550a6783f9115331fcf4663d5c8e007a50"
@@ -20209,6 +20202,14 @@ rollup@1.31.1:
     "@types/node" "*"
     acorn "^7.1.0"
 
+rss-parser@^3.12.0:
+  version "3.12.0"
+  resolved "https://registry.yarnpkg.com/rss-parser/-/rss-parser-3.12.0.tgz#b8888699ea46304a74363fbd8144671b2997984c"
+  integrity sha512-aqD3E8iavcCdkhVxNDIdg1nkBI17jgqF+9OqPS1orwNaOgySdpvq6B+DoONLhzjzwV8mWg37sb60e4bmLK117A==
+  dependencies:
+    entities "^2.0.3"
+    xml2js "^0.4.19"
+
 rsvp@^4.8.4:
   version "4.8.5"
   resolved "https://registry.yarnpkg.com/rsvp/-/rsvp-4.8.5.tgz#c8f155311d167f68f21e168df71ec5b083113734"
@@ -20339,7 +20340,7 @@ sax@0.5.x:
   resolved "https://registry.yarnpkg.com/sax/-/sax-0.5.8.tgz#d472db228eb331c2506b0e8c15524adb939d12c1"
   integrity sha1-1HLbIo6zMcJQaw6MFVJK25OdEsE=
 
-sax@~1.2.4:
+sax@>=0.6.0, sax@~1.2.4:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
   integrity sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw==
@@ -20931,6 +20932,14 @@ solc@0.7.4:
     semver "^5.5.0"
     tmp "0.0.33"
 
+solparse-exp-jb@^2.2.23:
+  version "2.2.23"
+  resolved "https://registry.yarnpkg.com/solparse-exp-jb/-/solparse-exp-jb-2.2.23.tgz#a46facb5546bc37ef64de4f1ce17b6ccb56d7ed4"
+  integrity sha512-LCU3C6IKrXu+C8ORBuNGD0JHyxhwNsSqF65YqnqGXrCi8KjfOQcrA4gliGZp/E0jtQl43O19as/ay1NnzLvOpQ==
+  dependencies:
+    pegjs "^0.10.0"
+    yargs "^10.0.3"
+
 sort-keys@^1.0.0:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/sort-keys/-/sort-keys-1.1.2.tgz#441b6d4d346798f1b4e49e8920adfba0e543f9ad"
@@ -24093,6 +24102,19 @@ xml-name-validator@^3.0.0:
   resolved "https://registry.yarnpkg.com/xml-name-validator/-/xml-name-validator-3.0.0.tgz#6ae73e06de4d8c6e47f9fb181f78d648ad457c6a"
   integrity sha512-A5CUptxDsvxKJEU3yO6DuWBSJz/qizqzJKOMIfUJHETbBw/sFaDxgd6fxm1ewUaM0jZ444Fc5vC5ROYurg/4Pw==
 
+xml2js@^0.4.19:
+  version "0.4.23"
+  resolved "https://registry.yarnpkg.com/xml2js/-/xml2js-0.4.23.tgz#a0c69516752421eb2ac758ee4d4ccf58843eac66"
+  integrity sha512-ySPiMjM0+pLDftHgXY4By0uswI3SPKLDw/i3UXbnO8M/p28zqexCUoPmQFrYD+/1BzhGJSs2i1ERWKJAtiLrug==
+  dependencies:
+    sax ">=0.6.0"
+    xmlbuilder "~11.0.0"
+
+xmlbuilder@~11.0.0:
+  version "11.0.1"
+  resolved "https://registry.yarnpkg.com/xmlbuilder/-/xmlbuilder-11.0.1.tgz#be9bae1c8a046e76b31127726347d0ad7002beb3"
+  integrity sha512-fDlsI/kFEx7gLvbecc0/ohLG50fugQp8ryHzMTuW9vSa1GJ0XYWKnhsUx7oie3G98+r56aTQIUB4kht42R3JvA==
+
 xmlchars@^2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/xmlchars/-/xmlchars-2.2.0.tgz#060fe1bcb7f9c76fe2a17db86a9bc3ab894210cb"