refactor fns in ast

src/diagrams/gitGraph/gitGraphAst.js

@@ -16,7 +16,7 @@ function getId() {
 exports.setDirection = function(dir) {
     direction = dir;
 }
-exports.pushCommit = function(msg) {
+exports.commit = function(msg) {
     var commit = { id: getId(),
         message: msg,
         parent:  head == null ? null : head.id};
@@ -26,12 +26,12 @@ exports.pushCommit = function(msg) {
     log.debug("in pushCommit");
 }
 
-exports.createBranch = function(name) {
+exports.branch = function(name) {
     branches[name] = head != null ? head.id: null;
     log.debug("in createBranch");
 }
 
-exports.mergeBranch = function() {
+exports.merge = function() {
     log.debug("in mergeBranch");
 }
 
@@ -41,7 +41,7 @@ exports.checkout = function(branch) {
     var id = branches[curBranch];
     head = commits[id];
 }
-exports.reset = function () {
+exports.clear = function () {
     commits = {};
     head  = null;
     branches = { "master" : head };

src/diagrams/gitGraph/gitGraphParser.spec.js

@@ -4,7 +4,7 @@ describe('when parsing a gitGraph',function() {
     "use strict";
     beforeEach(function () {
         parser.yy = ast;
-        parser.yy.reset();
+        parser.yy.clear();
     });
     it('should handle a gitGraph defintion', function () {
         var str = 'gitGraph:\n' +

src/diagrams/gitGraph/parser/gitGraph.jison

@@ -57,10 +57,10 @@ line
     ;
 
 statement
-    : COMMIT commit_arg {yy.pushCommit($2)}
+    : COMMIT commit_arg {yy.commit($2)}
-    | BRANCH ID {yy.createBranch($2)}
+    | BRANCH ID {yy.branch($2)}
     | CHECKOUT ID {yy.checkout($2)}
-    | MERGE ID {yy.mergeBranch($2)}
+    | MERGE ID {yy.merge($2)}
 ;
 
 commit_arg

src/diagrams/gitGraph/parser/gitGraph.js

@@ -101,16 +101,16 @@ case 5:
 this.$ =$$[$0-1]
 break;
 case 7:
-yy.pushCommit($$[$0])
+yy.commit($$[$0])
 break;
 case 8:
-yy.createBranch($$[$0])
+yy.branch($$[$0])
 break;
 case 9:
 yy.checkout($$[$0])
 break;
 case 10:
-yy.mergeBranch($$[$0])
+yy.merge($$[$0])
 break;
 case 11:
 this.$ = ""