add the halt compiler node

Author: ichiriac

docs/AST.md

@@ -43,6 +43,7 @@
     -   [Statement](#statement)
         -   [Eval](#eval)
         -   [Exit](#exit)
+        -   [Halt](#halt)
         -   [Clone](#clone)
         -   [Declare](#declare)
         -   [Global](#global)
@@ -597,6 +598,16 @@ Defines goto statement
 
 -   `label` **[String](#string)** 
 
+# Halt
+
+**Extends Statement**
+
+Halts the compiler execution
+
+**Properties**
+
+-   `after` **[String](#string)** String after the halt statement
+
 # Identifier
 
 **Extends Node**

src/ast.js

@@ -49,6 +49,7 @@ var Position = require('./ast/position');
  *   - [Statement](#statement)
  *     - [Eval](#eval)
  *     - [Exit](#exit)
+ *     - [Halt](#halt)
  *     - [Clone](#clone)
  *     - [Declare](#declare)
  *     - [Global](#global)
@@ -207,6 +208,7 @@ AST.prototype.prepare = function(kind, parser) {
   require('./ast/function'),
   require('./ast/global'),
   require('./ast/goto'),
+  require('./ast/halt'),
   require('./ast/identifier'),
   require('./ast/if'),
   require('./ast/include'),

src/ast/halt.js

@@ -0,0 +1,23 @@
+/*!
+ * Copyright (C) 2017 Glayzzle (BSD3 License)
+ * @authors https://github.com/glayzzle/php-parser/graphs/contributors
+ * @url http://glayzzle.com
+ */
+"use strict";
+
+var Statement = require('./statement');
+var KIND = 'halt';
+
+/**
+ * Halts the compiler execution
+ * @constructor Halt
+ * @extends {Statement}
+ * @property {String} after - String after the halt statement
+ * @see http://php.net/manual/en/function.halt-compiler.php
+ */
+var Halt = Statement.extends(function Halt(after, location) {
+  Statement.apply(this, [KIND, location]);
+  this.after = after;
+});
+
+module.exports = Halt;

test/statementTests.js

@@ -16,6 +16,7 @@ describe('Test statements', function() {
     ast.children[2].kind.should.be.exactly('goto');
     ast.children[2].label.should.be.exactly('start');
   });
+
   it('test global', function() {
     var ast = parser.parseEval([
       'function foo() {',
@@ -32,6 +33,20 @@ describe('Test statements', function() {
     expr.items[1].name.should.be.exactly('b');
   });
 
+  it('test halt statement', function() {
+    var ast = parser.parseEval([
+      '$a = 1;',
+      '__halt_compiler();',
+      '$b = 1;'
+    ].join('\n'), {
+      parser: { debug: false }
+    });
+    ast.children.length.should.be.exactly(2);
+    ast.children[0].kind.should.be.exactly('assign');
+    ast.children[1].kind.should.be.exactly('halt');
+    ast.children[1].after.should.be.exactly('\n$b = 1;');
+  });
+
   it('test static', function() {
     var ast = parser.parseEval([
       'function foo() {',