From 7334d6f1bbc7fdd32b99c137a1d86d7ad0818d02 Mon Sep 17 00:00:00 2001
From: crawshaw <crawshaw@ibex.org>
Date: Wed, 5 Jan 2005 10:34:22 +0000
Subject: [PATCH] remove dead code from JSScope

darcs-hash:20050105103422-2eb37-c7b3346de9d4730e31ca337a73b388b8212dcbb5.gz
---
 src/org/ibex/js/JSScope.java |  140 ------------------------------------------
 1 file changed, 140 deletions(-)

diff --git a/src/org/ibex/js/JSScope.java b/src/org/ibex/js/JSScope.java
index 5dee438..5bd3a76 100644
--- a/src/org/ibex/js/JSScope.java
+++ b/src/org/ibex/js/JSScope.java
@@ -47,144 +47,4 @@ class JSScope {
     void put(int i, JS o) throws JSExn { if(i < base) parent.put(i,o); else vars[i-base] = o; }
     
     JS getGlobal() { return parent.getGlobal(); }
-    
-    /*private JSScope parentScope;
-
-    private static final JS NULL_PLACEHOLDER = new JS() { };
-
-    public JSScope(JSScope parentScope) { this.parentScope = parentScope; }
-    public void declare(JS s) throws JSExn { super.put(s, NULL_PLACEHOLDER); }
-    public JSScope getParentScope() { return parentScope; }
-
-    public JS get(JS key) throws JSExn {
-        JS o = super.get(key);
-        if (o != null) return o == NULL_PLACEHOLDER ? null : o;
-        else return parentScope == null ? null : parentScope.get(key);
-    }
-
-    public boolean has(JS key) throws JSExn { return super.get(key) != null; }
-    public void put(JS key, JS val) throws JSExn {
-        if (parentScope != null && !has(key)) parentScope.put(key, val);
-        else super.put(key, val == null ? NULL_PLACEHOLDER : val);
-    }
-    
-    public JSScope top() { 
-        JSScope s = this;
-        while(s.parentScope != null) s = s.parentScope;
-        return s;
-    }
-
-    public static class Global extends JSScope {
-        private final static JS NaN = N(Double.NaN);
-        private final static JS POSITIVE_INFINITY = N(Double.POSITIVE_INFINITY);
-
-        public Global() { super(null); }
-        public Global(JSScope p) { super(p); }
-        
-        public void declare(JS k) throws JSExn { throw new JSExn("can't declare variables in the global scope"); }
-        
-        // HACK: "this" gets lost on the way back through the scope chain
-        // We'll have to do something better with this when Scope is rewritten
-        public JS get(JS key) throws JSExn {
-            JS ret = _get(key);
-            if(ret == METHOD) return new Interpreter.Stub(this,key);
-            return ret;
-        }
-        
-        public JS _get(JS key) throws JSExn {
-            #switch(JS.str(key))
-            case "NaN": return NaN;
-            case "Infinity": return POSITIVE_INFINITY;
-            case "undefined": return null;
-            case "stringFromCharCode": return METHOD;
-            case "parseInt": return METHOD;
-            case "parseFloat": return METHOD;
-            case "isNaN": return METHOD;
-            case "isFinite": return METHOD;
-            case "decodeURI": return METHOD;
-            case "decodeURIComponent": return METHOD;
-            case "encodeURI": return METHOD;
-            case "encodeURIComponent": return METHOD;
-            case "escape": return METHOD;
-            case "unescape": return METHOD;
-            #end
-            return super.get(key);
-        }
-
-        public JS callMethod(JS method, JS a0, JS a1, JS a2, JS[] rest, int nargs) throws JSExn {
-            #switch(JS.str(method))
-            case "parseInt": return parseInt(a0, N(0));
-            case "parseFloat": return parseFloat(a0);
-            case "isNaN": { double d = toDouble(a0); return d == d ? F : T; }
-            case "isFinite": { double d = toDouble(a0); return (d == d && !Double.isInfinite(d)) ? T : F; }
-            case "decodeURI": throw new JSExn("unimplemented");
-            case "decodeURIComponent": throw new JSExn("unimplemented");
-            case "encodeURI": throw new JSExn("unimplemented");
-            case "encodeURIComponent": throw new JSExn("unimplemented");
-            case "escape": throw new JSExn("unimplemented");
-            case "unescape": throw new JSExn("unimplemented");
-            case "parseInt": return parseInt(a0, a1);
-            #end
-            return super.callMethod(method, a0, a1, a2, rest, nargs);
-        }
-
-        private JS parseInt(JS arg, JS r) throws JSExn {
-            int radix = JS.toInt(r);
-            String s = JS.toString(arg);
-            int start = 0;
-            int length = s.length();
-            int sign = 1;
-            long n = 0;
-            if(radix != 0 && (radix < 2 || radix > 36)) return NaN;
-            while(start < length && Character.isWhitespace(s.charAt(start))) start++;
-            if((length >= start+1) && (s.charAt(start) == '+' || s.charAt(start) == '-')) {
-                sign = s.charAt(start) == '+' ? 1 : -1;
-                start++;
-            }
-            if(radix == 0 && length >= start+1 && s.charAt(start) == '0') {
-                start++;
-                if(length >= start+1 && (s.charAt(start) == 'x' || s.charAt(start) == 'X')) {
-                    start++;
-                    radix = 16;
-                } else {
-                    radix = 8;
-                    if(length == start || Character.digit(s.charAt(start+1),8)==-1) return JS.ZERO;
-                }
-            }
-            if(radix == 0) radix = 10;
-            if(length == start || Character.digit(s.charAt(start),radix) == -1) return NaN;
-            // try the fast way first
-            try {
-                String s2 = start == 0 ? s : s.substring(start);
-                return JS.N(sign*Integer.parseInt(s2,radix));
-            } catch(NumberFormatException e) { }
-            // fall through to a slower but emca-compliant method
-            for(int i=start;i<length;i++) {
-                int digit = Character.digit(s.charAt(i),radix);
-                if(digit < 0) break;
-                n = n*radix + digit;
-                if(n < 0) return NaN; // overflow;
-            }
-            if(n <= Integer.MAX_VALUE) return JS.N(sign*(int)n);
-            return JS.N((long)sign*n);
-        }
-
-        private JS parseFloat(JS arg) throws JSExn {
-            String s = JS.toString(arg);
-            int start = 0;
-            int length = s.length();
-            while(start < length && Character.isWhitespace(s.charAt(0))) start++;
-            int end = length;
-            // as long as the string has no trailing garbage,this is fast, its slow with
-            // trailing garbage
-            while(start < end) {
-                try {
-                    return JS.N(new Double(s.substring(start,length)));
-                } catch(NumberFormatException e) { }
-                end--;
-            }
-            return NaN;
-        }
-    }*/
 }
-
-- 
1.7.10.4