Android的xml-Rpc實現

弄Rpc有一段時間了，從定義IDL規則，自動生成存根代碼給應用使用，相繼做了c++，java,python,actionscript四個版本，且都都能互相調用，協議是自定義的二進制格式。
公司的項目要求我從事android的開發，編寫一些小的應用，要與平台服務器通信。
與服務器的通信采用xml交換，之前做的二進制編碼便不能使用。
不想很弱智的去重復的編解碼xml消息格式，去編寫socket通信代碼，工作量和繁瑣是自己不喜歡的，那只能讓自己的rpc去支持xml格式。 www.2cto.com
這種支持我稱之為半人工的，因為xml格式的tag定義必須在idl中出現

idl定義
 1 struct Ts_heartbeat_p_User_t{
 2     string id;
 3 };
 4 //心跳
 5
 6 struct Ts_gps_p_GPS_t{
 7     float lon;
 8     float lat;
 9     float speed;
10     float direction;
11     int        time;
12 };
13
14 struct Ts_gps_p_Properties_t{
15     string senderid;
16     string target_type;
17     string users;
18     string groups;
19 };
20
21 struct Ts_verify_r_User_t{
22     string id;
23 };
24
25 struct Ts_verify_r_Group_t{
26     string id;
27     string name;
28     string type;
29 };
30
31 sequence<Ts_verify_r_Group_t> Ts_verify_r_Groups_t;
32
33 struct Ts_verify_r_Result_t{
34     int code;
35     string msg;
36     Ts_verify_r_User_t user;
37     Ts_verify_r_Groups_t groups;
38 };
39
40
41 struct Ts_verify_p_User_t{
42     string token;
43 };
44
45 interface Ts{
46     void heartbeat(Ts_heartbeat_p_User_t p);
47     void gps(Ts_gps_p_GPS_t p,Ts_gps_p_Properties_t props);
48     Ts_verify_r_Result_t verify(Ts_verify_p_User_t p);
49 };
50
idl定義了一個Ts的接口，內部有三個方法：heartbeat(),gps(),verify()
這些方法在服務器端已經實現，其他的struct類型定義了接口調用使用的參數和返回值類型 ，注意他們的格式：
struct Ts_verify_p_User_t{
     string token;
};
這個類型將被解釋成 <User token="..."/>

sequence<Ts_verify_r_Group_t> Ts_verify_r_Groups_t;
將被解釋成 
<Groups>
   <Group id="" name="" type=""/>
   ...
</Groups>
努力不是白費的，python+ply實現了idl的語法解析，並生成java框架代碼，並編寫通信代碼完成Rpc構造。

必須要注意Android不允許任何阻塞UI線程的操作，所以要實現通信必須在自己的線程中進行，我提供的Rpc調用模式只能是 oneway(單向調用) ,async(異步調用)

實例：
  1 package test;
  2
  3
  4 import sns_mobile.*;
  5
  6 import java.util.*;
  7 import tce.*;
  8
  9 import java.nio.*;
 10 import java.io.*;
 11
 12 public class SnsTestMain  {
 13     TsProxy tsprx = null;
 14     String token="dBmPPfxxohFmXjx4SUv46BffzmeYitbjmzT2mRHLttGaau4kiTvKEOpW2BJE0IGLEBFZ4lE/KrMKl7qE6pNmaBUfbixMrPEG/1Xfsp36P4lmZHhQfkVgyGWa8yi5g/swbMpg8h2ybC2dQShR18VFtQkXGpEUg8VfV1Fb0UllN6j/umVaBBQX7lgqcf3zkIaGcOpvS7FB6snC/PWU1crCf2gHrgnOmZgIaKmBF14dkJsSoozRGKiIpiCjJ7mRZ05og67ZmFfOaH2EnaCo3G1pmQcez7MOqCtIvNpGo5yivmZ6GyMA2eSIlFmD2Z7ysCrxzAt92UUCNwb9mkKZrUthjA==";
 15    
 16     double 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2304.134800,437007.070800,112304.206800,437007.286800,112304.304000,437007.567600,112304.448000,437007.909600,112304.613600,437008.230000,112304.757600,437008.518000,112304.880000,437008.806000,112304.934000,437009.076000,112304.944800,437009.310000,112304.880000,437009.547600,112304.818800,437009.716800,112304.746800,437009.868000,112304.631600,437010.004800,112304.433600,437010.130800,112304.235600,437010.202800,112304.080800,437010.282000,112303.918800,437010.336000,112303.767600,437010.390000,112303.638000,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800,437010.444000,112303.504800};
 17     public   int  ii=100;
 18    
 19    
 20     Ts_verify_r_Result_t user_ok = null;
 21    
 22     Terminal termthis = null;
 23     RpcCommAdapter adapter = null;
 24     Thread thread;
 25     SnsTestMain(){
 26        
 27        
 28         thread = new Thread(new Runnable(){
 29             public void run(){
 30                 try{
 31                     while(true){
 32                         Thread.sleep(2000);
 33                         if(tsprx!=null){
 34                             heartbeat();
 35                             send_gps();
 36                         }
 37                        
 38                     }
 39                 }catch(Exception e){
 40                     System.out.println(e.toString());
 41                     System.out.println("thread exiting");
 42                 }
 43             }
 44            
 45         });
 46         //thread.start();
 47        
 48         initServant();
 49     }
 50    
 51     void initServant(){
 52         adapter = RpcCommunicator.instance().createAdapter("termimal",  RpcConsts.MSG_ENCODE_XML);
 53         termthis = new Terminal(){
 54             @Override
 55             public void hello(RpcContext ctx){
 56                
 57             }
 58         };
 59         adapter.addServant(termthis);
 60     }
 61    
 62     void heartbeat(){
 63         Ts_heartbeat_p_User_t user = new Ts_heartbeat_p_User_t();
 64         user.id = user_ok.user.id;
 65         tsprx.heartbeat_oneway(user);
 66     }
 67    
 68
 69     void send_gps(){
 70         Ts_gps_p_GPS_t gps = new Ts_gps_p_GPS_t();
 71         gps.lon= Float.valueOf((float)121.2004);
 72         gps.lat= Float.valueOf((float)31.1234);
 73         gps.speed = (float)0.0;
 74         gps.direction = (float)35.5;
 75         gps.time = new Date().getSeconds();
 76         Ts_gps_p_Properties_t props = new Ts_gps_p_Properties_t();
 77         props.senderid = user_ok.user.id;
 78         props.target_type="2";
 79         props.users="1001,1002";
 80         props.groups="2001,2001";
 81         tsprx.gps_oneway(gps, props);
 82        
 83     }
 84    
 85     public Tc_redirect_r_Result_t test_redirect(){
 86        
 87         TcProxy tc = TcProxy.createWithXML("172.26.181.193", 8881); //8889
 88         Tc_redirect_p_User_t user = new Tc_redirect_p_User_t();
 89         user.token = token;
 90         Tc_redirect_r_Result_t r = null;
 91         try{
 92             tc.redirect_async(user, new Tc_AsyncCallBack(){
 93                 @Override
 94                 public void redirect(Tc_redirect_r_Result_t result,RpcProxyBase proxy){
 95                     System.out.println(String.format("%s %d", result.tc_srv_ip,result.tc_srv_port));
 96                     //到這裡重定向調度okay
 97                     test_verify(result.tc_srv_ip,result.tc_srv_port);
 98                 }
 99                 @Override
100                 protected void onError(String name,String msg,RpcProxyBase proxy){
101                     System.out.println(String.format("error: %s msg:%s",name,msg));
102                 }
103             });
104             //tc.destroy();
105         }catch(Exception e){
106             System.out.println(e.toString());
107             return null;
108         }
109         return r;
110     }
111    
112     public Tc_redirect_r_Result_t test_verify(String host,int port){
113         tsprx = TsProxy.createWithXML(host, port);
114         Ts_verify_p_User_t user = new Ts_verify_p_User_t();
115         user.token = token;
116         try{
117             tsprx.verify_async(user, new Ts_AsyncCallBack(){
118                 @Override
119                 public void verify(Ts_verify_r_Result_t result,RpcProxyBase proxy){
120                     System.out.println(String.format("verify back() msg:%s code:%d gourps.length:%d", result.msg,result.code,result.groups.size()));
121                     user_ok = result;
122                     tsprx.conn.attachAdapter(adapter);
123                     send_gps();
124                 }
125             });
126             //ts.destroy();
127         }catch(Exception e){
128             System.out.println(e.toString());
129             return null;
130         }
131         return null;
132     }
133    
134    
135     public static void test(){
136         SnsTestMain sns = new SnsTestMain();
137         sns.test_redirect();
138     }
139    
140     public static void mainxxx(String[] args) {
141         SnsTestMain.test();
142
143     }
144
145 }
146

IDL 語法樹結構 python+ ply
lexical.py
  1 import    sys
  2
  3 language = 'py'
  4 arch = '32'
  5
  6 class SyntexTreeNode:
  7     def __init__(self,name):
  8         self.name = None
  9
 10 class Container:
 11     def __init__(self,name=''):
 12 #        SyntexTreeNode.__init__(self,name)
 13         self.children={}
 14         self.list=[]
 15        
 16     def addChild(self,c):
 17         #self.children.append(c)
 18         self.children[c.getName()] = c
 19         self.list.append(c)
 20    
 21     def createStruct(self,st):
 22         pass
 23        
 24     def createInterface(self,ifc):
 25         pass
 26        
 27     def createSequence(self,seq):
 28         pass
 29        
 30     def createDictionary(self,dict):
 31         pass
 32    
 33     def createEnumeration(self,enm):
 34         pass
 35    
 36     def createUnit(self,unit):
 37         pass
 38    
 39
 40        
 41    
 42        
 43 class Contained:
 44     def __init__(self,container=None):
 45         self.container =container
 46        
 47 class TypeId:
 48     def __init__(self,type,id): #變量定義  type id;
 49         self.type = type # int name  , <int> is type, <name> is id
 50         self.id = id
 51
 52
 53 class TypeBase:
 54     def __init__(self,name):
 55         self.name = name
 56         self.idx = 0 #索引，用於數據序列化時類型識別
 57         #self.type = name
 58
 59     def getName(self):
 60         return self.name
 61
 62     def getTypeDefaultValue(self):
 63         if language == 'py':
 64             return '%s()'%self.name
 65         if language =='as':
 66             return 'new %s()'%self.name
 67         if language =='cpp':
 68             return '%s()'%self.name
 69         if language =='java':
 70             return 'new %s()'%self.name
 71
 72     def getMappingTypeName(self):
 73         r = self.name
 74
 75         return r
 76        
 77 class DataMember(Contained):
 78     def __init__(self,d,container): # d - type_id
 79         Contained.__init__(self,container)
 80         self.d = d
 81         self.name = d.id
 82         self.type = d.type
 83    
 84 class Sequence(Contained,TypeBase):
 85     def __init__(self,name,type):
 86         TypeBase.__init__(self,name)
 87         self.type = type # sequence<type> name;
 88         self.valuetype = type
 89
 90     def getTypeDefaultValue(self):
 91         if language == 'py':
 92             return '[]'
 93         if language == 'as':
 94             return 'new Array()'
 95         if language =='cpp':
 96             return 'std::vector< %s >()'%self.type.getMappingTypeName()
 97         if language =='java':
 98             return 'new Vector<%s>()'%self.type.getMappingTypeName()
 99
100     def getMappingTypeName(self):
101         r = ''
102         if language == 'as':
103             r = 'Array'
104
105         if language =='cpp':
106             return 'std::vector< %s >'%self.type.getMappingTypeName()
107         if language =='java':
108             return 'Vector<%s>'%self.type.getMappingTypeName()
109
110         return r
111        
112 class Dictionary(Contained,TypeBase):
113     def __init__(self,name,first,second):
114         TypeBase.__init__(self,name)
115         self.first = first
116         self.second = second
117
118     def getTypeDefaultValue(self):
119         if language =='py':
120             return '{}'
121         if language == 'as':
122             return 'new HashMap()'
123
124         if language == 'cpp':
125             #return 'boost::shared_ptr< std::map<%s,%s> >( new std::map<%s,%s>()) '%(self.first.name,self.second.name,self.first.name,self.second.name)
126 #            return '%s::hash_type()'%self.name
127             return 'std::map< %s,%s >()'%(self.first.getMappingTypeName(),self.second.getMappingTypeName())
128         if language =='java':
129             return 'new Hashtable<%s,%s>()'%(self.first.getMappingTypeName(),
130                                              self.second.getMappingTypeName()
131                                             )
132
133
134     def getMappingTypeName(self):
135         r = ''
136         if language == 'as':
137             r = 'HashMap'
138         if language =='cpp':
139 #            return 'boost::shared_ptr< std::map<%s,%s> >'%(self.first.name,self.second.name)
140 #            return '%s::hash_type'%(self.name)
141             r = 'std::map< %s,%s >'%(self.first.getMappingTypeName(),self.second.getMappingTypeName() )
142
143         if language == 'java':
144             r = 'Hashtable< %s,%s >'%(self.first.getMappingTypeName(),self.second.getMappingTypeName() )
145
146         return r
147
148 class Enumeration(Contained,TypeBase):
149     def __init__(self,name):
150         TypeBase.__init__(name)
151        
152 class OperateMember(Contained):
153     def __init__(self,name,type,params):
154         self.name = name
155         self.type = type # callreturn  [ type  foo(params) ]
156         self.params = params
157         pass
158        
159 class Struct(Container,Contained,TypeBase):
160     def __init__(self,name):
161         Container.__init__(self)
162         Contained.__init__(self)
163         TypeBase.__init__(self,name)
164        
165     def createDataMember(self,dm):
166         if self.children.has_key(dm.id):
167             return False
168         e = DataMember(dm,self)
169         self.children[dm.id] = e
170         self.list.append(e)
171         return True
172        
173    
174    
175 class Interface(Container,Contained,TypeBase):
176     def __init__(self,name):
177         Container.__init__(self)
178         Contained.__init__(self)
179         TypeBase.__init__(self,name)
180
181
182    
183     def createOperateMember(self,opm):
184
185         if self.children.has_key(opm.name):
186             return False
187         self.children[opm.name] = opm
188         self.list.append(opm)
189
190         return True
191        
192 class Unit(Container):
193     def __init__(self):
194         Container.__init__(self)
195         pass
196        
197    
198 class Builtin(TypeBase):
199     def __init__(self,type):
200         TypeBase.__init__(self,type)
201         self.type = type
202    
203     tables =[
204             'byte',
205             'bool',
206             'short',
207             'int',
208             'long',
209             'float',
210             'double',
211             'string',
212             ]
213
214     @staticmethod
215     def isBuiltinType(type):
216         return Builtin.tables.count(type)
217
218     def getTypeDefaultValue(self):
219         r = 'None'
220         type = self.type
221         if type in ('byte','short','int','long'):
222             r = '0'
223             if language == 'java':
224                 if type == 'byte':
225                     #r= '%s.valueOf( (byte)0)'%self.getMappingTypeName()
226                     r = '0'
227                 else:
228                     r = '%s.valueOf(0)'%self.getMappingTypeName()
229
230         elif type in ('float','double'):
231             r = '0.0'
232             if language == 'java':
233                 r = '%s.valueOf(0)'%self.getMappingTypeName()
234
235         elif type in ('bool'):
236             r = 'False'
237             if language in ('as','cpp'):
238                 r = 'false'
239 #            if language == 'cpp':
240 #                r = 'false'
241             if language == 'java':
242                 r = '%s.valueOf(false)'%self.getMappingTypeName()
243
244         elif type in ('string'):
245             r = "''"
246             if language in ('as','cpp','java'):
247                 r ="\"\""
248 #            if language =='cpp':
249 #                r = "\"\""
250
251         return r
252
253     def getMappingTypeName(self):
254         r = '-^|^*'*5
255
256         if language == 'as':
257             type = self.type
258             if type in ('byte',) : #'bool'):
259                 r ='uint'
260             if type in ('bool',):
261                 r = 'Boolean'
262             if type in ('short','int'):
263                 r = 'int'
264             elif type in ('float','long','double'):
265                 r = 'Number'
266             elif type in ('string'):
267                 r = "String"
268             elif type in ('void'):
269                 r ='void'
270
271         if language == 'cpp':
272             type = self.type
273
274             if type in ('byte',) : #'bool'):
275                 r ='unsigned char'
276             if type in ('bool',):
277                 r = 'bool'
278             if type in ('short',):
279                 r ='short'
280             if type in ('int',):
281                 r = 'int'
282             elif type in ('float',):
283                 r = type
284             elif type in ('long',):
285                 r = type
286                 if arch =='32':
287                     r = 'long long'
288             elif type in ('double',):
289                 r = type
290             elif type in ('string'):
291                 r = "std::string"
292             elif type in ('void'):
293                 r ='void'
294
295         if language == 'java':
296             type = self.type
297
298             if type in ('byte',) : #'bool'):
299                 r ='Byte'
300             if type in ('bool',):
301                 r = 'Boolean'
302             if type in ('short',):
303                 r ='Short'
304             if type in ('int',):
305                 r = 'Integer'
306             elif type in ('float',):
307                 r = 'Float'
308             elif type in ('long',):
309                 r = 'Long'
310
311             elif type in ('double',):
312                 r = 'Double'
313             elif type in ('string'):
314                 r = "String"
315             elif type in ('void'):
316                 r ='void'
317
318         return r
319
320     @staticmethod
321     def id(name):
322         pass
323
324     @staticmethod
325     def str(id_):
326         pass
327        
328 types_def={}
329 kwds=['struct',
330       'interface',
331       'sequence',
332       'dictionary',
333       'exception',
334       'void'
335       ]
336
337 def getTypeDef(type):
338     t = types_def.get(type,None)
339     return t
340
341 #檢測變量名稱是否合法
342 def checkVariantName(name,all=True):
343     if kwds.count(name):
344         return False
345     if all:
346         if getTypeDef(name):
347             return False
348     return True
349
350 def initBuiltinTypes():
351     for t in Builtin.tables:
352         types_def[t] = Builtin(t)
353
354 types_def['void'] = Builtin('void')
355
356 initBuiltinTypes()
357    
358 unit=None

繼續貼 語法代碼 grammar.py
  1 #--coding:utf-8--
  2
  3
  4 #scott  shanghai china
  5 # qq:24509826 msn: [email protected]
  6 #
  7
  8 import    sys
  9
 10
 11
 12 if    ".."    not    in    sys.path:    sys.path.insert(0,"..")
 13
 14 import os,sys,os.path,struct,time,traceback,string
 15
 16 import    ply.lex    as    lex
 17 import ply.yacc as yacc
 18
 19 from lexparser import *
 20 import lexparser as myparser
 21
 22 '''
 23 默認是SLR，我們也可以通過參數指定為 LALR(
 24
 25 idl
 26 interface定義 函數參數保留名稱： d,idx,m
 27 '''
 28
 29
 30 tokens=(
 31         'IDENTIFIER','STRUCT','NUMBER','INTERFACE',
 32         'SEQUENCE','DICTIONARY','EXCEPTION','COMMENTLINE',
 33 #        'VOID',
 34
 35     )
 36
 37 def t_COMMENTLINE(t):
 38     '//.*\n'
 39
 40 def t_SEQUENCE(t):
 41     'sequence'
 42     return t
 43
 44 def t_DICTIONARY(t):
 45     'dictionary'
 46     return t
 47
 48
 49 def t_STRUCT(t):
 50     'struct'
 51     return t
 52
 53
 54 def t_INTERFACE(t):
 55     'interface'
 56     return t
 57
 58 #def t_VOID(t):
 59 #    'void'
 60 #    return t
 61
 62 def t_IDENTIFIER(t):
 63     '[A-Za-z_][A-Za-z0-9_]*'
 64     return t
 65
 66 t_NUMBER=r'\d+([uU]|[lL]|[uU][lL]|[lL][uU])?'
 67
 68 t_ignore    ="     \t"
 69
 70 def    t_newline(t):
 71     r'\n+'
 72     t.lexer.lineno    +=    1 #int(t.value) #.count("\n")
 73
 74
 75 def    t_error(t):
 76     print("Illegal    character    '%s'"    %    t.value[0])
 77     t.lexer.skip(1)
 78
 79 literals = [ '{','}',';','(',')','<','>',',' ]
 80
 81 #    Build    the    lexer
 82 lexer = lex.lex()
 83
 84 #literals = [ ':',',','(',')' ]
 85
 86
 87
 88 #lexer.input(data)
 89
 90 #while 1:
 91 #    tok = lexer.token()
 92 #    if not tok: break   
 93     #print tok.type,tok.value
 94 #sys.exit()
 95
 96
 97 def p_start(t):
 98     '''start : definations
 99     '''
100
101     defs = t[1]
102     unit = Unit()
103
104     defs.reverse()
105
106 #    print defs
107     for d in defs:
108         unit.addChild( d )
109
110
111     t[0] = unit
112
113     #t[0] = t[1]
114     #print t[0]
115
116 def p_definations(t):
117     '''definations : defination '''
118
119     t[0] = [t[1],]
120
121 def p_definations_2(t):
122     '''definations : defination  definations  '''
123     t[2].append(t[1])
124     t[0]= t[2]
125
126 def p_defination(t):
127     ''' defination : struct_def ';'
128             | interface_def ';'
129             | sequence_def ';'
130             | dictionary_def ';'
131             |
132     '''
133     t[0]=t[1]
134
135
136 def p_sequence_def(t):
137     '''
138         sequence_def : SEQUENCE '<' type '>' IDENTIFIER
139     '''
140 #    print 'sequence..',t[3]
141     name = t[5]
142
143     if not checkVariantName(name,False):
144         print 'error: sequence<%s>.%s illegal!'%(t[3],name)
145         sys.exit()
146
147     if getTypeDef(name):
148         print 'error: line %s sequence (%s) has existed!'%(t.lineno(1),name)
149         sys.exit() #sequence的類型名存在
150
151     type_ = t[3]
152 #    if not getTypeDef(type_):
153 #        print 'error: sequence %s <%s> not defined!'%(name,type_)
154 #        sys.exit()
155 #    print 'xxx.',name,type_
156
157     seq = Sequence(name,type_)
158     types_def[name] = seq
159     t[0] = seq
160
161 def p_dictionary_def(t):
162     '''
163         dictionary_def : DICTIONARY '<' type ',' type '>' IDENTIFIER
164     '''
165     first = t[3]
166     second = t[5]
167     name = t[7]
168 #    print first,second,name
169
170     if not checkVariantName(name,False):
171         print 'error: dictionary < %s > illegal!'%(name)
172         sys.exit()
173
174     if getTypeDef(name):
175         print 'error: line %s dictionary type (%s) has existed!'%(t.lineno(1),name)
176         sys.exit() #sequence的類型名存在
177
178
179 #    if not getTypeDef(first):
180 #        print 'error: dictionary %s.first <%s> not defined!'%(name,first)
181 #        sys.exit()
182 #
183 #    if not getTypeDef(second):
184 #        print 'error: dictionary %s.second <%s> not defined!'%(name,second)
185 #        sys.exit()
186
187     dict = Dictionary(name,first,second)
188     types_def[name] = dict
189     t[0] = dict
190
191 def p_interface_def(t):
192     '''
193         interface_def :  INTERFACE IDENTIFIER '{' operatemembers '}'
194     '''
195 #    print t[1],t[2]
196     id = t[2]
197     type_ = getTypeDef(id)
198     if type_:
199         print 'error: interface name(%s) has existed!'%id
200         sys.exit()
201
202     ifc = Interface(id)
203     opms = t[4]
204     opms.reverse()
205     #檢測函數名稱是否有重復
206 #    print opms
207     for opm in opms:
208         if not ifc.createOperateMember(opm):
209
210             print 'error: line %s createOperateMember failed! interface:: %s.%s'%( t.lineno(3),t[2],opm.name)
211             sys.exit()
212 #        print type(ifc.children)
213     types_def[id] = ifc
214     t[0] = ifc # reduce to syntax tree 
215
216
217
218 def p_operatemembers(t):
219     '''
220         operatemembers : operatemember
221     '''
222     #print 'operatemember num:',len(t) # 1 means no operatemebmer
223 #    if len(t) > 1:
224 #        t[0] = t[1]
225 #    else:
226 #        t[0] = []
227     t[0] = [t[1],]
228
229
230 def p_operatemembers_2(t):
231     '''
232         operatemembers : operatemember operatemembers
233     '''
234     if type(t[2]) != type([]):
235         t[0] = [t[1],t[2]]
236     else:
237         t[2].append(t[1])
238         t[0] = t[2]
239
240 def p_operatemember(t):
241     '''
242         operatemember : callreturn IDENTIFIER '(' operateparams ')' ';'
243
244     '''
245     params = t[4]
246     params.reverse()    # 這裡必須進行倒置一下
247     for p in params:
248         if p.id in ('d','p','m','r','idx','size','cr','container','o','prx','m2'):
249             p.id+='_'
250     opm = OperateMember(t[2],t[1],params)
251     t[0] = opm
252 #    print 'x1.',opm
253
254 def p_operateparams(t):
255     '''
256         operateparams : type_id
257             |
258     '''
259     if len(t) > 1:
260         t[0] = [ t[1],]
261     else:
262         t[0] =[ ]
263
264
265 def p_operateparams_2(t):
266     '''
267         operateparams : type_id ',' operateparams
268     '''
269
270     t[3].append(t[1])
271     t[0] = t[3]
272
273 def p_callreturn(t):
274     '''
275         callreturn : type
276     '''
277     t[0] = t[1]
278
279
280 def p_struct_def(t):
281     ''' struct_def : STRUCT IDENTIFIER '{' datamembers '}' '''
282     id = t[2]
283
284     type = getTypeDef(id)
285     if  type:
286         print 'error struct name:%s existed!'%(id)
287         sys.exit()
288
289     st  = Struct(id)
290 #    print t[4]
291     t[4].reverse()
292     for dm in t[4]:
293         if not st.createDataMember(dm):
294             print 'error: datamember<%s> name<%s> has existed!'%(id,dm.id)
295             sys.exit()
296
297     types_def[id] = st    #注冊數據類型到全局類型表
298     #print types_def
299     t[0] = st
300
301
302
303 def p_datamembers(t):
304     '''
305     datamembers :  datamember
306     '''
307     #print t[1]
308     #t[0] = t[1]
309     t[0] = [t[1],]
310     #print 'a1..'
311     #print t[0]
312
313 def p_datamembers_2(t):
314     '''
315     datamembers :     datamember datamembers
316     '''
317     if type(t[2]) != type([]):
318         t[0] = [t[1],t[2]]
319     else:
320         t[2].append(t[1])
321         t[0] = t[2]
322
323
324 def p_datamember(t):
325     '''
326     datamember : type_id ';'
327     '''
328     #print 'datamenber..'
329     t[0] =  t[1]
330
331 def p_type_id(t):
332     '''
333         type_id : type IDENTIFIER
334     '''
335     #print t[1],t[2]
336     id = t[2]
337     if not checkVariantName(id):
338         print 'error: type_id.id<%s> illegal!'%(id)
339         sys.exit()
340
341     t[0] = TypeId(t[1],t[2])
342
343
344
345
346 def p_type(t):
347     '''type : IDENTIFIER
348     '''
349     type = getTypeDef(t[1])
350
351     if type:
352         t[0] = type
353     else:
354         print 'error: line %s'%(t.lineno),' type:%s not existed!'%t[1]
355         sys.exit()
356
357
358 def p_error(t):
359     print("Syntax error at '%s'" % t)
360     #print t.lineno,t.lexpos
361
362 yacc.yacc(debug=True,method="SLR")
363
364 data='''
365
366 sequence < int > IntList;
367
368 struct student {
369     int x;
370     int y;
371     int z;
372     double fractor;
373     IntList ids;
374 };
375
376 interface booksystem{
377     int test1(int age);
378     int test2(int age);
379 };
380
381 struct dog{
382     int name;
383     string dog;
384     int name2;
385     student st1;
386 };
387
388
389
390 '''
391
392 data='''
393
394 struct animal{
395     int x;
396 };
397
398 sequence < animal > IntList;
399
400 struct student {
401     int x;
402     int y;
403     int z;
404     double fractor;
405     IntList ids;
406 };
407
408 interface booksystem{
409     int test1(int age);
410     int test2(int age);
411 };
412
413 sequence<IntList>  XX;
414
415 dictionary<int,int> int2_t;
416
417 dictionary<int2_t,string> intstr_t;
418
419
420 '''
421
422 def filterComments(data):
423     return data
424     lines = data.split("\n")
425     result=[]
426     for line in lines:
427         x = line.strip()
428         if x and x[0] =='#':
429             continue
430         result.append(line)
431     data = string.join(result,'\n')
432     return data
433
434 def syntax_result(data):
435     return yacc.parse( filterComments(data))