Atitti.java Exp AST Java expression Syntax ast constructor

Atitti.java Exp AST Java expression syntax ast Constructor

/atiplat_cms/src/com/attilax/lang/astparser.java

Principle

Split Tokens_slice_li

Analysis splitor, mostly dot and end

Author :: ★ (Attilax) >>>   nickname : Span style= "font-family: the song Body;" > old wow Paw   (   attilax akbar  al rapanui  Attilax   Baroque   Alpha   Rapa Nui   )   Kanji name: Ayron, Email:[email protected]

reprint Please indicate source: http://www.cnblogs.com/attilax/

Package Com.attilax.lang;

Import java.io.UnsupportedEncodingException;

Import Java.net.URLEncoder;

Import java.util.ArrayList;

Import java.util.Collections;

Import java.util.List;

Import COM.ATTILAX.FSM.JAVAEXPFSM;

Import Com.attilax.json.AtiJson;

Import Com.attilax.net.UrlEncode_del;

Import com.google.common.collect.Lists;

public class Astparser {

public Object obj;

Public Object Rzt;

public static void Main (string[] args) throws Unsupportedencodingexception {

System.out

. println (Urlencoder

. Encode ("New (Com.attilax.util.connReduceDync). Set_resfile (Userphone4jobusimp/uc_js.txt). JoinNoutV2 ()",

"UTF8"));

String s= "New (com.attilax.orm.AtiOrmV2). Queryasrzt (\" Select SUM ($) sumx from recharge where accountId in (select ID as UID from account where promoter=888) \ ")";

S= "New (Com.attilax.agent.AgentRechargeService). Getsubmemtotalsrecyclebyagentid (\" promoter: $pid $,fld2:v2\ ")";

S= "New (Com.attilax.user.AgentService). Login (Admin,admin)";

System.out.println (New Astparser (). Getexprsliast (s));

// "Select SUM ($) sumx from recharge where accountId in (select ID as UID from account where promoter=888)"

System.out.println ("..");

System.setproperty ("Prj", "Jobus");

String

Code= "New (Com.attilax.util.connReduceDync). Set_resfile (Userphone4jobusimp/uc_js.txt). JoinNoutV2 ()". Trim ();

AST Astparser = new AST ();

List ast=astparser.getexprsliast (code);

System.out.println (Atijson.tojson (Astparser.parse (AST));

// s= "Login (admin,admin)";

}

Public Object parse;

Public Object Parse (List ast) {

for (Object object:ast) {

String exp= (String) object;

Parsesingle (object);

}

return this.rzt;

}

private void Parsesingle (Object exp) {

Exprs e = (EXPRS) (exp);

E.obj = This.obj;

This.rzt = E.calc ();

This.obj = E.obj;

}

@SuppressWarnings ("All")

Public List Getexprsliast (String code) {

List li = new ArrayList ();

List tokens = new JAVAEXPFSM (code). Gettokens ();

System.out.println (Atijson.tojson (tokens));

list<string> Tokens_slice_li = Lists.newlinkedlist ();

for (int i = 0; i < tokens.size (); i++) {

Last

Dot is Expres splitor. If cur pos of tokens is dot

if (Tokens.get (i). toString (). Trim (). Equals (".")

) {

Exprs e = Getexprsfrmtokenslice (Tokens_slice_li);

Li.add (e);

Tokens_slice_li = Lists.newlinkedlist ();

Continue

}

if (i = = Tokens.size ()-1)

{

Tokens_slice_li.add (String) tokens.get (i));

Exprs e = Getexprsfrmtokenslice (Tokens_slice_li);

Li.add (e);

Break

}

Tokens_slice_li.add (String) tokens.get (i));

}

Collections.addall (Li, a);

return Li;

}

Private Exprs Getexprsfrmtokenslice (list<string> tokens_slice_li) {

Exprs e = new Exprs ();

// if (tokens_slice_li.size () = = 5) {

//

// }

// if (tokens_slice_li.size () = = 4) {

// E.method = (String) tokens_slice_li.get (0);

// String params = tokens_slice_li.get (2);

// //  e.params = params; E.parseparams (Params.tostring ());

// e.params = Lists.newlinkedlist ();

// E.params.add (params);

// //q716 must as a params .

// //' New (Com.attilax.agent.AgentRechargeService). Getsubmemtotalsrecyclebyagentid ("promoter: $pid $,fld2:v2") ';

//

// }

Last log () mode, empty param mode

if (tokens_slice_li.size () = = 3) {

E.method = (String) tokens_slice_li.get (0);

E.params = Lists.newlinkedlist ();

}else

{

E.method = (String) tokens_slice_li.get (0);  

E.params = Parseparams (Tokens_slice_li);

}

return e;

}

@Deprecated

Public List parseparams (String pa_str) {

String[] A=pa_str.split (",");

List li= new ArrayList ();

Collections.addall (Li, a);

return Li;

}

/**

Attilax Year 9 month 2 12:12:01 pm

* @param tokens_slice_li

* @return

*/

Public List parseparams (list<string> tokens_slice_li) {

List li= new ArrayList ();

for (int i=2;i<tokens_slice_li.size () -1;i++)

{

Li.add (Tokens_slice_li.get (i));

}

return Li;

}

}

Atitti.java Exp AST Java expression Syntax ast constructor