1 package edu.berkeley.sbp.misc;
4 import edu.berkeley.sbp.*;
5 import edu.berkeley.sbp.misc.*;
6 import edu.berkeley.sbp.tib.*;
8 public class RegressionTests {
10 public static boolean yes = false;
12 public static void main(String[] s) throws Exception {
14 boolean profile = false;
15 if (s[0].equals("-profile")) {
17 String[] s2 = new String[s.length-1];
18 System.arraycopy(s, 1, s2, 0, s2.length);
22 //MetaGrammar mg0 = new MetaGrammar();
23 //mg0.walk(MetaGrammar.meta);
24 //System.out.println(mg0);
25 Tree<String> res = new Parser(MetaGrammar.make(), CharToken.top()).parse1(new CharToken.Stream(new InputStreamReader(new FileInputStream(s[0]))));
26 MetaGrammar mg = (MetaGrammar)new MetaGrammar().walk(res);
27 //System.out.println(mg);
28 Union meta = mg.done();
29 SequenceInputStream sis = new SequenceInputStream(new FileInputStream(s[0]), new FileInputStream(s[1]));
30 res = new Parser(meta, CharToken.top()).parse1(new CharToken.Stream(new InputStreamReader(sis), "parsing " + s[1] + " using " + s[0]));
31 Union testcasegrammar = ((MetaGrammar)new MetaGrammar("ts").walk(res)).done("ts");
32 if (testcasegrammar==null) return;
33 CharToken.Stream cs = new CharToken.Stream(new InputStreamReader(new FileInputStream(s[2])), "parsing " + s[2] + " using " + s[1]);
34 Parser parser = new Parser(testcasegrammar, CharToken.top());
37 System.out.println("\nready...");
40 Forest<String> r2 = parser.parse(cs);
42 System.out.println("\ndone");
46 for(TestCase tc : (TestCase[])new TestCaseBuilder().walk(r2.expand1())) tc.execute();
48 } catch (Throwable t) {
49 System.err.println("\n\nexception thrown, class == " + t.getClass().getName());
50 System.err.println(t);
57 public static class TestCase {
58 private final Token.Stream inp;
59 public final String input;
60 public final String[] output;
61 public final Union grammar;
62 public TestCase(String input, String[] output, Union grammar, boolean tib) throws IOException {
65 : new CharToken.Stream(new StringReader(input), input.indexOf('\n')==-1?"\""+input+"\": ":"");
68 this.grammar = grammar;
70 public String toString() {
71 String ret = "testcase {\n" + " input \""+input+"\";\n";
72 for(String s : output) ret += " output \""+s+"\";\n";
73 ret += grammar +"\n}\n";
76 public boolean execute() throws Exception {
77 Forest<String> res = new Parser(grammar, CharToken.top()).parse(inp);
78 Collection<Tree<String>> results = res==null ? new HashSet<Tree<String>>() : res.expand(false);
79 System.out.print("\r");
80 if (results.size() == 0 && output.length > 0) {
81 System.out.print("\033[31m");
82 System.out.println("PARSE FAILED");
83 System.out.print("\033[0m");
85 System.out.println("\r \r");
87 HashSet<String> outs = new HashSet<String>();
88 if (output != null) for(String s : output) outs.add(s.trim());
90 for (Tree<String> r : results) {
91 String s = r.toString().trim();
92 if (outs.contains(s)) { outs.remove(s); continue; }
93 System.out.print("\033[33m");
94 System.out.println(" GOT: " + s);
97 for(String s : outs) {
98 System.out.print("\033[31m");
99 System.out.println("EXPECTED: " + s);
103 System.out.print("\033[0m");
106 System.out.println("\033[32mPASS\033[0m");
111 public static class TestCaseBuilder extends MetaGrammar {
112 public Object walk(Tree<String> tree) {
114 if ("grammar".equals(tree.head())) { walkChildren(tree); return done("s"); }
115 else if ("output".equals(tree.head())) return string(tree.children());
116 else if ("input".equals(tree.head())) return string(tree.children());
117 else if ("tibcase".equals(tree.head()) || "testcase".equals(tree.head())) {
118 String input = string(tree.child(0));
119 String[] output = tree.numChildren()>2 ? ((String[])walk(tree, 1)) : new String[0];
120 Union grammar = (Union)((MetaGrammar)(new Tib.Grammar().walk(tree, tree.numChildren()-1))).done("s");
121 return new TestCase(input, output, grammar, "tibcase".equals(tree.head()));
122 } else if ("ts".equals(tree.head())) return walk(tree, 0);
123 else return super.walk(tree);
124 } catch (Exception e) {
130 private static String pad(int i,String s) { return s.length() >= i ? s : pad(i-1,s)+" "; }