use modifier syntax for prop binding types

Author: yyx990803

src/compiler/compile-props.js

@@ -104,9 +104,9 @@ module.exports = function compileProps (el, propOptions) {
     } else {
       // new syntax, check binding type
       if ((value = _.getBindAttr(el, attr)) === null) {
-        if ((value = _.getBindAttr(el, attr + '&')) !== null) {
+        if ((value = _.getBindAttr(el, attr + '.sync')) !== null) {
           prop.mode = propBindingModes.TWO_WAY
-        } else if ((value = _.getBindAttr(el, attr + '*')) !== null) {
+        } else if ((value = _.getBindAttr(el, attr + '.once')) !== null) {
           prop.mode = propBindingModes.ONE_TIME
         }
       }

test/unit/specs/compiler/compile_spec.js

@@ -313,9 +313,9 @@ if (_.inBrowser) {
         'v-bind:test-normal="a" ' +
         'test-literal="1" ' +
         ':optimize-literal="1" ' +
-        ':test-two-way&="a" ' +
-        ':two-way-warn&="a + 1" ' +
-        ':test-one-time*="a"></div>'
+        ':test-two-way.sync="a" ' +
+        ':two-way-warn.sync="a + 1" ' +
+        ':test-one-time.once="a"></div>'
       compiler.compileAndLinkProps(vm, el.firstChild, props)
       expect(vm._bindDir.calls.count()).toBe(3) // skip literal and one time
       // literal

test/unit/specs/directives/prop_spec.js

@@ -99,7 +99,7 @@ if (_.inBrowser) {
             a: 'A'
           }
         },
-        template: '<test v-bind:testt&="test" :bb&="b" :a&=" test.a " v-ref="child"></test>',
+        template: '<test v-bind:testt.sync="test" :bb.sync="b" :a.sync=" test.a " v-ref="child"></test>',
         components: {
           test: {
             props: ['testt', 'bb', 'a'],
@@ -195,7 +195,7 @@ if (_.inBrowser) {
         data: {
           b: 'B'
         },
-        template: '<test v-ref:child :b*="b"></test>',
+        template: '<test v-ref:child :b.once="b"></test>',
         components: {
           test: {
             props: ['b'],
@@ -245,7 +245,7 @@ if (_.inBrowser) {
         data: {
           b: 'B'
         },
-        template: '<test :b&="b + \'B\'" v-ref="child"></test>',
+        template: '<test :b.sync="b + \'B\'" v-ref="child"></test>',
         components: {
           test: {
             props: ['b'],