feat(parser): upgrade vimparser #35 to support eval heredoc method

Author: iamcco

package.json

@@ -1,6 +1,6 @@
 {
   "name": "vim-language-server",
-  "version": "1.4.2",
+  "version": "1.5.0",
   "description": "vim language server",
   "keywords": [
     "viml",

src/common/patterns.ts

@@ -38,7 +38,7 @@ export const notFunctionPattern = [
   /^[ \t]*\w+$/,
   /^[ \t]*"/,
   /(let|set|colorscheme)[ \t][^ \t]*$/,
-  /[^([,\\ \t\w#]\w*$/,
+  /[^([,\\ \t\w#>]\w*$/,
   /^[ \t]*(hi|highlight)([ \t]+link)?([ \t]+[^ \t]+)*[ \t]*$/,
   autocmdPattern,
 ];

src/common/util.ts

@@ -164,7 +164,7 @@ export function getWordFromPosition(
 // parse vim buffer
 export async function handleParse(textDoc: TextDocument | string): Promise<[INode | null, string]> {
   const text = textDoc instanceof Object ? textDoc.getText() : textDoc;
-  const tokens = new StringReader(text);
+  const tokens = new StringReader(text.split(/\r\n|\r|\n/));
   try {
     const node: INode = new VimLParser(true).parse(tokens);
     return [node, ""];

src/lib/vimparser.d.ts

@@ -34,7 +34,7 @@ export declare interface INode {
 export declare class StringReader {
   public buf: string[];
   public pos: Array<[number, number, number]>;
-  constructor(str: string)
+  constructor(lines: string[])
 }
 
 // tslint:disable-next-line

src/server/buffer.ts

@@ -87,6 +87,9 @@ const NODE_CURLYNAMEPART = 90;          // TODO
 const NODE_CURLYNAMEEXPR = 91;          // TODO
 const NODE_LAMBDA = 92;
 const NODE_CONST = 94;
+const NODE_EVAL = 95;
+const NODE_HEREDOC = 96;
+const NODE_METHOD = 97;
 
 /*
  * buffer's completion items
@@ -411,6 +414,7 @@ export class Buffer {
         case NODE_RETURN:
         case NODE_DELFUNCTION:
         case NODE_THROW:
+        case NODE_EVAL:
           nodeList = nodeList.concat(node.left);
           break;
         case NODE_DOT:
@@ -483,6 +487,7 @@ export class Buffer {
         case NODE_ADD:
         case NODE_SUBTRACT:
         case NODE_SUBSCRIPT:
+        case NODE_METHOD:
           nodeList = nodeList.concat(node.left || []);
           nodeList = nodeList.concat(node.right || []);
           break;