+// Copyright 2006-2007 all rights reserved; see LICENSE file for BSD-style license
+
package edu.berkeley.sbp.misc;
import java.io.*;
import java.util.*;
import java.lang.reflect.*;
import edu.berkeley.sbp.*;
-import edu.berkeley.sbp.misc.*;
-import edu.berkeley.sbp.tib.*;
+import edu.berkeley.sbp.meta.*;
import edu.berkeley.sbp.chr.*;
import edu.berkeley.sbp.util.*;
public static boolean yes = false;
public static boolean graph = false;
+ public static GrammarAST.ImportResolver resolver = new GrammarAST.ImportResolver() {
+ public InputStream getImportStream(String importname) {
+ try {
+ return new FileInputStream("tests/"+importname);
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }
+ };
+
+ public static void main() throws Exception {
+ main(new String[] { null, "tests/testcase.g", "tests/regression.tc" });
+ }
public static void main(String[] s) throws Exception {
try {
s = s2;
}
- //MetaGrammar mg0 = new MetaGrammar();
- //mg0.walk(MetaGrammar.meta);
- //System.out.println(mg0);
- System.err.println("parsing " + s[0]);
- Tree<String> res = new CharParser(MetaGrammar.make()).parse(new FileInputStream(s[0])).expand1();
- //System.out.println(mg);
- Union meta = MetaGrammar.make(res, "s");
+ InputStream metaGrammarStream =
+ s[0] == null
+ ? RegressionTests.class.getClassLoader().getResourceAsStream("edu/berkeley/sbp/meta/meta.g")
+ : new FileInputStream(s[0]);
+ Tree<String> res = new CharParser(GrammarAST.getMetaGrammar()).parse(metaGrammarStream).expand1();
+ Union meta = GrammarAST.buildFromAST(res, "s", resolver);
+ CharParser cp = new CharParser(meta);
+
+ System.err.println("serializing grammar to grammar.ser...");
+ ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream("grammar.ser"));
+ oos.writeObject(cp);
+ oos.close();
+ System.err.println("deserializing grammar from grammar.ser...");
+ ObjectInputStream ois = new ObjectInputStream(new FileInputStream("grammar.ser"));
+ cp = (CharParser)ois.readObject();
+ ois.close();
+
System.err.println("parsing " + s[1]);
- SequenceInputStream sis = new SequenceInputStream(new FileInputStream(s[0]), new FileInputStream(s[1]));
- res = new CharParser(meta).parse(sis).expand1();
- Union testcasegrammar = MetaGrammar.make(res, "ts");
+ res = new CharParser(meta).parse(new FileInputStream(s[1])).expand1();
+
+ Union testcasegrammar = GrammarAST.buildFromAST(res, "s", resolver);
if (testcasegrammar==null) return;
CharParser parser = new CharParser(testcasegrammar);
}
System.err.println("expanding...");
- TestCase[] expanded = (TestCase[])new TestCaseBuilder().walk(r2.expand1());
- System.err.println("executing...");
- for(TestCase tc : expanded) tc.execute();
+ ArrayList<TestCase> cases = new ArrayList<TestCase>();
+ Tree tt = r2.expand1();
+ for(int i=0; i<tt.size(); i++) {
+ Tree t = tt.child(i);
+ String[] expect = !"ignore output;".equals(t.child(2).head()) ? new String[t.child(2).size()] : null;
+ if (expect != null)
+ for(int j=0; j<t.child(2).size(); j++)
+ expect[j] = stringifyChildren(t.child(2).child(j));
+ cases.add(new TestCase(stringifyChildren(t.child(0)),
+ stringifyChildren(t.child(1)),
+ expect,
+ GrammarAST.buildFromAST(t.child(3), "s", resolver),
+ false,
+ false));
+
+ }
+ TestCase[] expanded = new TestCase[cases.size()];
+ for(int i=0; i<expanded.length; i++)
+ expanded[i] = cases.get(i);
+ for(TestCase tc : expanded)
+ tc.execute();
} catch (Throwable t) {
System.err.println("\n\nexception thrown, class == " + t.getClass().getName());
}
}
+ private static String stringifyChildren(Tree t) {
+ StringBuffer sb = new StringBuffer();
+ for(int i=0; i<t.size(); i++) {
+ sb.append(t.child(i).head());
+ sb.append(stringifyChildren(t.child(i)));
+ }
+ return sb.toString();
+ }
+
public static class TestCase {
- private final boolean tib;
private final boolean jav;
- public final String input;
+ public /*final*/ String input;
public final String[] output;
public final Union grammar;
- public TestCase(String input, String[] output, Union grammar, boolean tib, boolean jav) throws IOException {
- this.tib = tib;
+ public final String name;
+
+ public TestCase(String name, String input, String[] output,
+ Union grammar, boolean tib, boolean jav) {
+ this.name = name;
this.jav = jav;
this.input = input;
this.output = output;
}
public String toString() {
String ret = "testcase {\n" + " input \""+input+"\";\n";
- for(String s : output) ret += " output \""+s+"\";\n";
+ if (output != null)
+ for(String s : output) ret += " output \""+s+"\";\n";
ret += grammar +"\n}\n";
return ret;
}
Forest<String> res = null;
ParseFailed pfe = null;
CharParser parser = new CharParser(grammar);
- //parser.helpgc = false;
+ System.out.print(" "+name+"\r");
try {
- res = tib
- ? /*new CharParser(grammar).parse(new Tib(input))*/ null
- : parser.parse(new StringReader(input));
- } catch (ParseFailed pf) {
- pfe = pf;
- }
- //ystem.out.println("res=="+res);
+ res = parser.parse(new StringReader(input));
+ } catch (ParseFailed pf) { pfe = pf; }
+
if (graph) {
FileOutputStream fos = new FileOutputStream("out.dot");
PrintWriter p = new PrintWriter(new OutputStreamWriter(fos));
p.close();
System.out.println(parser);
}
- Collection<Tree<String>> results = res==null ? new HashSet<Tree<String>>() : res.expand(false);
+
+ if (output==null) {
+ System.out.println("\r\033[32mDONE\033[0m "+name);
+ return true;
+ }
+ Iterable<Tree<String>> results =
+ res==null ? new HashSet<Tree<String>>() : res.expand();
+
System.out.print("\r");
- if (results == null || (results.size() == 0 && (output!=null && output.length > 0))) {
+ if (results == null || (!results.iterator().hasNext() && (output!=null && output.length > 0))) {
System.out.print("\033[31m");
- System.out.println("PARSE FAILED");
- System.out.print("\033[0m");
+ System.out.print("FAIL ");
+ System.out.println("\033[0m "+name);
if (pfe != null) pfe.printStackTrace();
} else {
System.out.print("\r \r");
System.out.println("\033[0m");
return true;
}
- System.out.println("\r\033[32mPASS\033[0m ");
+ System.out.println("\r\033[32mPASS\033[0m "+name);
+
return false;
}
}
- public static class TestCaseBuilder extends StringWalker {
- public Object walk(Tree<String> tree) {
- try {
- if ("grammar".equals(tree.head())) return MetaGrammar.make(tree, "s");
- else if ("output".equals(tree.head())) return MetaGrammar.string(tree.children());
- else if ("input".equals(tree.head())) return MetaGrammar.string(tree.children());
- else if ("testcase".equals(tree.head())) {
- String input = MetaGrammar.string(tree.child(0));
- String[] output = tree.numChildren()>2 ? ((String[])walk(tree, 1)) : new String[0];
- Union grammar = MetaGrammar.make(tree.child(tree.numChildren()-1), "s");
- TestCase tc = new TestCase(input, output, grammar, false, false);
- return tc;
- } else if ("ts".equals(tree.head())) return walk(tree, 0);
- else if (tree.head() == null) {
- Object[] ret = new Object[tree.numChildren()];
- for(int i=0; i<ret.length; i++)
- ret[i] = walk(tree.child(i));
- return Reflection.lub(ret);
- }
- return super.walk(tree);
- } catch (Exception e) {
- throw new Error(e);
- }
- }
+ private static String pad(int i,String s) { return s.length() >= i ? s : pad(i-1,s)+" "; }
+ public static String string(Tree<String> tree) {
+ String ret = "";
+ if (tree.head()!=null) ret += tree.head();
+ ret += string(tree.children());
+ return ret;
}
- /*
- public static class JavaGrammar extends MetaGrammar {
- public Object convertLabel(String label) { return new ClassMark(label); }
- public Object convertFieldLabel(String label) { return new FieldMark(label); }
-
- private static class FieldMark {
- public final String field;
- public FieldMark(String field) { this.field = field; }
- public String toString() { return "."+field; }
- }
- private static class ClassMark {
- public final String clazz;
- public ClassMark(String clazz) { this.clazz = clazz; }
- public String toString() { return clazz+"$"; }
- }
-
- public static Object build(Tree<Object> t, Class c) throws Exception {
- System.out.println("** build " + c.getName() + " " + t.toPrettyString());
- Object h = t.head();
- if (h instanceof ClassMark) return build2(t, Class.forName(JavaGrammar.class.getName()+"$"+((ClassMark)h).clazz));
- Object o = null;
- if (t.numChildren()==0) o = t.head();
- else if (t.head()==null) return build2(t, c);
- else if (t.head() instanceof FieldMark) {
- return build2(new Tree(null, new Tree[] { t }), c);
- } else {
- throw new Exception("don't know how to cope: " + c.getName() + " <- " + t.toPrettyString());
- }
- return Reflection.rebuild(o, c);
- }
- private static Object build2(Tree<Object> t, Class c) throws Exception {
- System.out.println("** build2 " + c.getName() + " " + t.toPrettyString());
- if (!Reflection.isConcrete(c)) {
- Field f = c.getField("subclasses");
- if (f==null) throw new Exception("don't know how to cope: " + c.getName() + " <- " + t.toPrettyString());
- Class[] subs = (Class[])f.get(null);
- OUTER: for(int i=0; i<subs.length; i++) {
- for(Tree<Object> t2 : t) {
- Object o2 = t2.head();
- System.out.println("checking " + o2 + " in " + subs[i].getName());
- if (o2 instanceof FieldMark) {
- if (subs[i].getField(((FieldMark)o2).field)==null) continue OUTER;
- }
- }
- c = subs[i];
- break;
- }
- }
- Object o = c.newInstance();
- for(Tree<Object> t2 : t) {
- Object o2 = t2.head();
- if (o2 instanceof FieldMark) {
- FieldMark f = (FieldMark)o2;
- Field field = c.getField(ReflectiveWalker.mangle(f.field));
- Object tgt = build(t2.child(0), field.getType());
- System.out.println("setting " + f.field +
- " on a " + o.getClass().getName() +
- " to " + (tgt==null?"null":tgt.getClass().getName()));
- field.set(o, tgt);
- }
- }
- System.out.println("returning a " + o.getClass().getName());
- return o;
- }
- public static Object build(Tree<Object> t) throws Exception {
- Object h = t.head();
- if (h instanceof ClassMark) {
- ClassMark cm = (ClassMark)h;
- Class c = Class.forName(JavaGrammar.class.getName() + "$" + ReflectiveWalker.mangle(cm.clazz));
- return build2(t, c);
- }
-
- return h==null ? null : h.toString();
- }
-
- public static interface Expr {
- public static Class[] subclasses = new Class[] { _plus_.class, num.class };
- }
- public static class _plus_ implements Expr {
- public Expr left;
- public Expr right;
- public String toString() { return left + "+" + right; }
- }
- public static class num implements Expr {
- public String val;
- public String toString() { return "["+val+"]"; }
- }
-
+ public static String string(Iterable<Tree<String>> children) {
+ String ret = "";
+ for(Tree<String> t : children) ret += string(t);
+ return ret;
}
- */
- private static String pad(int i,String s) { return s.length() >= i ? s : pad(i-1,s)+" "; }
}
-