X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fsbp%2Ftib%2FTib.java;h=41aab5cd869fdd8e4e0322916664170670bc02f6;hp=0ce53b052b3bac75fcbd58d8c3e86301c55c8194;hb=dcf8aafe73cbd899d8aebd2ef92df5a75a2c2b69;hpb=6cbea0bd6ae3e4ce5a175767b3e926b9b902bdc4

diff --git a/src/edu/berkeley/sbp/tib/Tib.java b/src/edu/berkeley/sbp/tib/Tib.java
index 0ce53b0..41aab5c 100644
--- a/src/edu/berkeley/sbp/tib/Tib.java
+++ b/src/edu/berkeley/sbp/tib/Tib.java
@@ -1,6 +1,4 @@
-// Copyright 2005 the Contributors, as shown in the revision logs.
-// Licensed under the Apache Public Source License 2.0 ("the License").
-// You may not use this file except in compliance with the License.
+// Copyright 2006 all rights reserved; see LICENSE file for BSD-style license
 
 package edu.berkeley.sbp.tib;
 import edu.berkeley.sbp.*;
@@ -9,10 +7,6 @@ import edu.berkeley.sbp.chr.*;
 import java.util.*;
 import java.io.*;
 
-// TODO: multiple {{ }} for superquotation
-// TODO: strings
-// TODO: comments
-
 /**
  *   A slow, ugly, inefficient, inelegant, ad-hoc parser for TIB files.
  *
@@ -26,6 +20,8 @@ import java.io.*;
  */
 public class Tib implements Input<Character> {
 
+    public String showRegion(Region<Character> r) { return ""; }
+
     public Tib(String s) throws IOException { this(new StringReader(s)); }
     public Tib(Reader r) throws IOException { this(new BufferedReader(r)); }
     public Tib(InputStream is) throws IOException { this(new BufferedReader(new InputStreamReader(is))); }
@@ -35,35 +31,39 @@ public class Tib implements Input<Character> {
         //cur = parse(br);
         //System.out.println("\rparsing: \"" + cur.toString(0, -1) + "\"");
     }
-
+    public String getName() { return null; }
     private String s = "";
     int pos = 0;
     int spos = 0;
 
     int _row = 1;
     int _col = 0;
-    public Input.Location getLocation() { return new CartesianLocation(_row, _col); }
+    int _scalar = 0;
+    public Input.Location getLocation() { return new Cartesian.Location(_col, _row, _scalar); }
     private BufferedReader br;
 
-    char left = CharRange.left;
-    char right = CharRange.right;
+    char left = CharAtom.left;
+    char right = CharAtom.right;
 
     boolean waiting = false;
     char waitingChar = ' ';
     boolean indenting = true;
     int indentation = 0;
     private ArrayList<Integer> istack = new ArrayList<Integer>();
-    public Character next(int numstates, int resets, int waits) throws IOException {
-        Character ret = nextc(numstates, resets);
-        if      (ret==null) return null;
-        else if (ret==left)  System.out.print("\033[31m{\033[0m");
-        else if (ret==right) System.out.print("\033[31m}\033[0m");
-        else System.out.print(ret);
+    private static boolean debug = "true".equals(System.getProperty("tib.debug", "false"));
+    public Character next() throws IOException {
+        Character ret = nextc();
+        if (debug) {
+            if      (ret==null) return null;
+            else if (ret==left)  System.out.print("\033[31m{\033[0m");
+            else if (ret==right) System.out.print("\033[31m}\033[0m");
+            else System.out.print(ret);
+        }
         return ret;
     }
 
     Character waitingBrace = null;
-    public Character nextc(int numstates, int resets) throws IOException {
+    public Character nextc() throws IOException {
         char c;
         if (waitingBrace != null) {
             Character ret = waitingBrace;
@@ -83,12 +83,13 @@ public class Tib implements Input<Character> {
                 return null;
             }
             c = (char)i;
+            _scalar++;
             if (c=='\n') { _row++; _col=0; }
             else         _col++;
         }
         if (indenting) {
             if (c==' ') { indentation++; return done(c); }
-            if (c=='\n') { indentation = 0; if (blank) return nextc(numstates, resets); blank = true; waiting = true; waitingChar='\n'; return '\n'; }
+            if (c=='\n') { indentation = 0; if (blank) return nextc(); blank = true; waiting = true; waitingChar='\n'; return '\n'; }
             int last = istack.size()==0 ? -1 : istack.get(istack.size()-1);
             if (indentation==last) {
                 if (blank) {
@@ -135,10 +136,11 @@ public class Tib implements Input<Character> {
 
     // Grammar //////////////////////////////////////////////////////////////////////////////
 
-    public static class Grammar extends MetaGrammar {
+    /*
+    public static class Grammar extends ReflectiveGrammar {
         private int anon = 0;
-        private final Element ws = Repeat.maximal0(getNonTerminal("w"));
-        public Grammar() { dropAll.add(ws); }
+        private final Element ws = Sequence.maximal0(getNonTerminal("w"));
+        public Grammar(Class c) { super(c); dropAll.add(ws); }
         public Object walk(Tree<String> tree) {
             String head = tree.head();
             if (tree.numChildren()==0) return super.walk(tree);
@@ -148,11 +150,11 @@ public class Tib implements Input<Character> {
                 u2.add(Sequence.singleton(new Element[] { u }, 0));
                 return anonymousNonTerminal(new Sequence[][] {
                     new Sequence[] {
-                        Sequence.singleton(new Element[] { CharRange.leftBrace,
+                        Sequence.singleton(new Element[] { CharAtom.leftBrace,
                                                            ws,
                                                            u2,
                                                            ws,
-                                                           CharRange.rightBrace
+                                                           CharAtom.rightBrace
                         }, 2)
                     }
                 });
@@ -160,6 +162,7 @@ public class Tib implements Input<Character> {
             return super.walk(tree);
         }
     }
+    */
 
     /*
 public class Braces extends Union {