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1
6
7 package org.netbeans.modules.piaget.analyze;
8
9 import java.io.BufferedReader  ;
10 import java.io.File ;
11 import java.io.FileInputStream ;
12 import java.io.FileReader ;
13 import java.io.InputStreamReader ;
14 import java.io.Reader ;
15
16
17
18
24 public abstract class Parser {
25
26 protected Scanner scanner;
27
28 protected static final int EOF = Scanner.EOF;
29 protected static final int LONG = Scanner.LONG;
30 protected static final int WORD = Scanner.WORD;
31
32 protected int ttype;
33 protected long timestamp,startTime;
34
35 protected String filename;
36
37
38
39
40 public Parser(File f) {
41 init();
42 filename = f.getName();
43 timestamp = 0;
44 openFile(f);
45 }
46
47 private void openFile(File f){
48 try{
49 FileReader reader = new FileReader (f);
50 scanner = new Scanner(reader);
51 firstTimeStamp();
52 while(ttype!=EOF){
53 try{
54 analyzeTokenInput();
55 } catch(SyntaxException se){
56 String msg = se.getMessage();
57 if(msg.length()>0) recover(msg);
60 }
61 }
62 eof();
63 } catch(java.io.FileNotFoundException e){
64 System.out.println("file not found:"+filename);
65 e.printStackTrace(System.out);
66 } catch(Exception e){
67 e.printStackTrace(System.out);
68 }
69 }
70
71 private void firstTimeStamp(){
72 try{
73 nextLONG();
74 startTime = scanner.lval;
75 }catch(SyntaxException e){
76 if(ttype != EOF){
77 System.out.println(filename);
78 System.out.println("first ts not found");
79 startTime = -1;
80 }
81 }
82 scanner.pushBack();
83 }
84
85 private String ttype(int ttype){
86 switch(ttype){
87 case EOF: return "EOF";
88 case LONG: return "LONG "+Long.toString(scanner.lval);
89 case WORD: return "WORD"+scanner.sval;
90 default: return "UNKNOWN!";
91 }
92 }
93
94 protected void nextWORD() throws SyntaxException{
95 next();
96 if(ttype!=WORD) throw(new SyntaxException("WORD expected, found: "+ttype(ttype)));
97 }
98
99 protected void nextLONG() throws SyntaxException{
100 next();
101 if(ttype!=LONG) throw(new SyntaxException("LONG expected, found: "+ttype(ttype)));
102 }
103
104 protected void next() throws SyntaxException{
105 try{
106 ttype = scanner.nextToken();
107 while(ttype!=WORD && ttype!=LONG && ttype!=EOF) ttype = scanner.nextToken();
108 }catch(Exception e){
109 e.printStackTrace();
110 }
111 if(ttype==EOF) throw(new SyntaxException(""));
112 }
113
114 private void recover(String msg){
115 try{
116 if(msg.length()>0)error(msg);
117 while(ttype!=LONG && ttype!=EOF) next();
118 scanner.pushBack();
119 }catch(SyntaxException e){
120 String myMSG = e.getMessage();
121 if(myMSG.length()!=0) System.out.println("mystake, myMSG:"+myMSG);;
123 }
124 }
125
126 protected void error(String msg){
127 System.out.println(filename+":"+scanner.lineno()+":"+msg);
128 }
129
130 public static String prettyTime(long l){
131 int i = new Long (l/1000).intValue();
132 int h = i/3600;
133 String hs = new Integer (h).toString();
134 if(h<10) hs = "0"+hs;
135 int m = (i%3600)/60;
136 String ms = new Integer (m).toString();
137 if(m<10) ms = "0"+ms;
138 int s = i%60;
139 String ss = new Integer (s).toString();
140 if(s<10) ss = "0"+ss;
141 return hs+":"+ms+":"+ss;
142 }
143
144 protected boolean svalIs(String s){
145 return scanner.sval.equalsIgnoreCase(s);
146 }
147
148 abstract protected void eof();
149
150 abstract protected void init();
151
152 abstract protected void analyzeTokenInput() throws SyntaxException;
153
154 }
155 |
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