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1 package ro.infoiasi.donald.compiler.parser;
2
3 import ro.infoiasi.donald.compiler.cfg.*;
4 import java.io.*;
5 import java.util.*;
6
7 public class ParserSpec {
8 private String  packageName;
9 private List imports;
10 private String actionCode;
11 private String parserCode;
12 private String initCode;
13 private String scanCode;
14 private CFG grammar;
15
16 ParserSpec(String packageName, List imports,
17 String actionCode, String parserCode,
18 String initCode, String scanCode, CFG grammar) {
19 this.packageName = packageName;
20 this.imports = imports;
21 this.actionCode = actionCode;
22 this.parserCode = parserCode;
23 this.initCode = initCode;
24 this.scanCode = scanCode;
25 this.grammar = grammar;
26 }
27
28 public static ParserSpec load(String fileName)
29 throws IOException, SpecParseException {
30
31 FileReader fr = new FileReader(fileName);
32
33 SpecParser p = new SpecParser(new SpecLexer(fr));
34 try {
35 return (ParserSpec)p.parse().value;
36 } catch (IOException e) {
37 throw e;
38 } catch (Exception e) {
39 if (e instanceof SpecParseException) {
40 throw (SpecParseException)e;
41 } else {
42 throw new SpecParseException(e.getMessage());
43 }
44 }
45 }
46
47 public CFG getGrammar() {
48 return grammar;
49 }
50
51 public String getPackageName() {
52 return packageName;
53 }
54
55 public List getImports() {
56 return imports;
57 }
58
59 public String getActionCode() {
60 return actionCode;
61 }
62
63 public String getParserCode() {
64 return parserCode;
65 }
66
67 public String getInitCode() {
68 return initCode;
69 }
70
71 public String getScanCode() {
72 return scanCode;
73 }
74
75 public String toString() {
76 StringBuffer sb = new StringBuffer ();
77 sb.append("package "+packageName+";\n\n");
78 Iterator it = imports.iterator();
79 while (it.hasNext()) {
80 sb.append("import "+it.next()+";\n");
81 }
82 sb.append("\n");
83 sb.append(grammar);
84 return sb.toString();
85 }
86 }
87 |
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