Enjoy 3.2 release ^_^

src/main/java/com/jfinal/template/stat/Symbol.java

@@ -0,0 +1,106 @@
+/**
+ * Copyright (c) 2011-2017, James Zhan 詹波 (jfinal@126.com).
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.jfinal.template.stat;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Symbol
+ */
+enum Symbol {
+	
+	TEXT("text", false),
+	
+	OUTPUT("output", true),
+	
+	DEFINE("define", true),
+	CALL("call", true),
+	CALL_IF_DEFINED("callIfDefined", true),
+	SET("set", true),
+	SET_LOCAL("setLocal", true),
+	SET_GLOBAL("setGlobal", true),
+	INCLUDE("include", true),
+	
+	FOR("for", true),
+	IF("if", true),
+	ELSEIF("elseif", true),
+	ELSE("else", false),
+	END("end", false),
+	CONTINUE("continue", false),
+	BREAK("break", false),
+	RETURN("return", false),
+	
+	ID("ID", false),				// 标识符：下划线或字母开头 ^[A-Za-z_][A-Za-z0-9_]*$
+	PARA("PARA", false),
+	
+	EOF("EOF", false);
+	
+	private final String name;
+	private final boolean hasPara;	// 是否有参
+	
+	/**
+	 * Lexer 中确定为系统指令以后，必须得到正确的后续 Token 序列，否则报异常
+	 * 扩展指令在得到 # id ( 序列以后才要求得到正确的后续 Token 序列，否则仅仅 return fail()
+	 */
+	@SuppressWarnings("serial")
+	private static final Map<String, Symbol> keywords = new HashMap<String, Symbol>() {{
+		put(Symbol.IF.getName(), IF);
+		put(Symbol.ELSEIF.getName(), ELSEIF);
+		put(Symbol.ELSE.getName(), ELSE);
+		put(Symbol.END.getName(), END);
+		put(Symbol.FOR.getName(), FOR);
+		put(Symbol.BREAK.getName(), BREAK);
+		put(Symbol.CONTINUE.getName(), CONTINUE);
+		put(Symbol.RETURN.getName(), RETURN);
+		
+		put(Symbol.DEFINE.getName(), DEFINE);
+		put(Symbol.SET.getName(), SET);
+		put(Symbol.SET_LOCAL.getName(), SET_LOCAL);
+		put(Symbol.SET_GLOBAL.getName(), SET_GLOBAL);
+		put(Symbol.INCLUDE.getName(), INCLUDE);
+	}};
+	
+	private Symbol(String name, boolean hasPara) {
+		this.name = name;
+		this.hasPara = hasPara;
+	}
+	
+	public String getName() {
+		return name;
+	}
+	
+	public String toString() {
+		return name;
+	}
+	
+	boolean hasPara() {
+		return hasPara;
+	}
+	
+	boolean noPara() {
+		return !hasPara;
+	}
+	
+	public static Symbol getKeywordSym(String name) {
+		return keywords.get(name);
+	}
+}
+
+
+
+