Update dependency to ts-morph

-Update to ts-morph 1.2.0 and typescript 3.3.1
-Change imports to ts-simple

package.json

@@ -12,8 +12,8 @@
   "dependencies": {
     "@types/yargs": "^10.0.2",
     "change-case": "^3.0.2",
-    "ts-simple-ast": "^9.5.0",
-    "typescript": "^2.9.2",
+    "ts-morph": "^1.2.0",
+    "typescript": "^3.3.1",
     "yargs": "^11.1.0"
   },
   "devDependencies": {

src/CSharpEmitter.ts

@@ -1,6 +1,6 @@
 
-import * as sast from "ts-simple-ast";
-import {ts, SyntaxKind, TypeGuards } from 'ts-simple-ast';
+import * as sast from "ts-morph";
+import {ts, SyntaxKind, TypeGuards } from 'ts-morph';
 import {ContextInterface} from "./Context";
 import * as cc from "change-case";
 import * as os from "os";
@@ -541,7 +541,7 @@ export function emitComputedPropertyName(node: sast.ComputedPropertyName,
     return false;
   }
 
-  // at this time UnionTypeNode is not wrapped by ts-simple-ast
+  // at this time UnionTypeNode is not wrapped by ts-morph
   export function emitUnionType(node: sast.UnionTypeNode, context: ContextInterface): string {
     const source: string[] = [];
 

src/DataStructures.ts

@@ -1,5 +1,5 @@
 
-import {Node} from "ts-simple-ast";
+import {Node} from "ts-morph";
 
 export class Stack<T> {
     _store: T[] = [];

src/Diagnostics.ts

@@ -1,5 +1,5 @@
 
-import {Node} from "ts-simple-ast";
+import {Node} from "ts-morph";
 
 export interface DiagnosticsInterface
 {

src/GeneratorHelpers.ts

@@ -1,6 +1,6 @@
 
-import * as sast from "ts-simple-ast";
-import {ts, SyntaxKind, TypeGuards, Node} from "ts-simple-ast"
+import * as sast from "ts-morph";
+import {ts, SyntaxKind, TypeGuards, Node} from "ts-morph"
 import {ContextInterface} from "./Context";
 import {Stack} from "./DataStructures";
 import {emitPropertyName, emitMethodName, emitClassName} from "./CSharpEmitter";

src/TsToCSharp.ts

@@ -1,7 +1,7 @@
 #!/usr/bin/env node
 
 import * as fs from "fs";
-import Ast, {ts, ScriptTarget, getCompilerOptionsFromTsConfig, ModuleResolutionKind, ModuleKind} from "ts-simple-ast";
+import Ast, {ts, ScriptTarget, getCompilerOptionsFromTsConfig, ModuleResolutionKind, ModuleKind} from "ts-morph";
 import * as path from "path";
 import * as os from "os";
 

src/TsToCSharpGenerator.ts

@@ -1,7 +1,7 @@
 
-import * as sast from "ts-simple-ast"
+import * as sast from "ts-morph"
 
-import {SourceFile, SyntaxKind, TypeGuards, ts} from "ts-simple-ast";
+import {SourceFile, SyntaxKind, TypeGuards, ts} from "ts-morph";
 
 import * as emitter from "./CSharpEmitter";
 import {ContextInterface} from "./Context";

src/TsToCSharpTests.ts

@@ -1,7 +1,7 @@
 import * as path from "path";
 import {expect} from "chai";
 import * as fs from "fs";
-import Ast, {ts, ScriptTarget, ModuleResolutionKind, ModuleKind} from "ts-simple-ast";
+import Ast, {ts, ScriptTarget, ModuleResolutionKind, ModuleKind} from "ts-morph";
 import {TsToCSharpGenerator} from "./TStoCSharpGenerator";
 import {GenOptions} from "./GenerateOptions";
 import {Context} from "./Context";