X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=src%2Forg%2Fibex%2Fjs%2FJSScope.java;fp=src%2Forg%2Fibex%2Fjs%2FJSScope.java;h=5dee438c49534ba83f41de217fcfe3018cab1d6c;hb=2d38cf96f2ac17fe1961aadb8bf4f02e5a1b5294;hp=6570840deeccba7249d225671e2940f6f313f7d1;hpb=73131826a18c93af4fb04672bc3ec820e1197ad1;p=org.ibex.js.git diff --git a/src/org/ibex/js/JSScope.java b/src/org/ibex/js/JSScope.java index 6570840..5dee438 100644 --- a/src/org/ibex/js/JSScope.java +++ b/src/org/ibex/js/JSScope.java @@ -5,7 +5,7 @@ package org.ibex.js; /** Implementation of a JavaScript Scope */ -class JSScope extends JS.O { +class JSScope { private final int base; private final JS[] vars; @@ -27,25 +27,36 @@ class JSScope extends JS.O { this.vars = new JS[size]; } + final JS get(JS i) throws JSExn { + if(i==null) throw new NullPointerException(); + try { + return get(Script.toInt(i)); + } catch(ArrayIndexOutOfBoundsException e) { + throw new JSExn("scope index out of range"); + } + } + final void put(JS i, JS o) throws JSExn { + if(i==null) throw new NullPointerException(); + try { + put(Script.toInt(i), o); + } catch(ArrayIndexOutOfBoundsException e) { + throw new JSExn("scope index out of range"); + } + } JS get(int i) throws JSExn { return i < base ? parent.get(i) : vars[i-base]; } 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 JSScope parentScope; private static final JS NULL_PLACEHOLDER = new JS() { }; - public JSScope(JSScope parentScope) { this(parentScope, 0, 0); } + 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 { - if (key instanceof JSNumber) try { - return get(JS.toInt(key)); - } catch(ArrayIndexOutOfBoundsException e) { - throw new JSExn("scope index out of range"); - } JS o = super.get(key); if (o != null) return o == NULL_PLACEHOLDER ? null : o; else return parentScope == null ? null : parentScope.get(key); @@ -53,11 +64,6 @@ class JSScope extends JS.O { public boolean has(JS key) throws JSExn { return super.get(key) != null; } public void put(JS key, JS val) throws JSExn { - if (key instanceof JSNumber) try { - put(JS.toInt(key),val); - } catch(ArrayIndexOutOfBoundsException e) { - throw new JSExn("scope index out of range"); - } if (parentScope != null && !has(key)) parentScope.put(key, val); else super.put(key, val == null ? NULL_PLACEHOLDER : val); } @@ -69,8 +75,8 @@ class JSScope extends JS.O { } public static class Global extends JSScope { - private final static JS NaN = JS.N(Double.NaN); - private final static JS POSITIVE_INFINITY = JS.N(Double.POSITIVE_INFINITY); + 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); } @@ -81,37 +87,36 @@ class JSScope extends JS.O { // 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 == JS.METHOD) return new Interpreter.Stub(this,key); + if(ret == METHOD) return new Interpreter.Stub(this,key); return ret; } public JS _get(JS key) throws JSExn { - //#switch(JS.toString(key)) - case "JS.NaN": return JS.NaN; + #switch(JS.str(key)) + case "NaN": return NaN; case "Infinity": return POSITIVE_INFINITY; case "undefined": return null; - case "stringFromCharCode": return JS.METHOD; - case "parseInt": return JS.METHOD; - case "parseFloat": return JS.METHOD; - case "isJS.NaN": return JS.METHOD; - case "isFinite": return JS.METHOD; - case "decodeURI": return JS.METHOD; - case "decodeURIComponent": return JS.METHOD; - case "encodeURI": return JS.METHOD; - case "encodeURIComponent": return JS.METHOD; - case "escape": return JS.METHOD; - case "unescape": return JS.METHOD; - default: return super.get(key); - //#end + 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.toString(method)) + #switch(JS.str(method)) case "parseInt": return parseInt(a0, N(0)); case "parseFloat": return parseFloat(a0); - case "isJS.NaN": { double d = JS.toDouble(a0); return d == d ? JS.F : JS.T; } - case "isFinite": { double d = JS.toDouble(a0); return (d == d && !Double.isInfinite(d)) ? JS.T : JS.F; } + 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"); @@ -119,9 +124,8 @@ class JSScope extends JS.O { case "escape": throw new JSExn("unimplemented"); case "unescape": throw new JSExn("unimplemented"); case "parseInt": return parseInt(a0, a1); - default: return super.callMethod(method, a0, a1, a2, rest, nargs); - //#end - return super.callMethod(method,a0,a1,a2,rest,nargs); + #end + return super.callMethod(method, a0, a1, a2, rest, nargs); } private JS parseInt(JS arg, JS r) throws JSExn { @@ -131,7 +135,7 @@ class JSScope extends JS.O { int length = s.length(); int sign = 1; long n = 0; - if(radix != 0 && (radix < 2 || radix > 36)) return JS.NaN; + 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; @@ -148,7 +152,7 @@ class JSScope extends JS.O { } } if(radix == 0) radix = 10; - if(length == start || Character.digit(s.charAt(start),radix) == -1) return JS.NaN; + 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); @@ -159,7 +163,7 @@ class JSScope extends JS.O { int digit = Character.digit(s.charAt(i),radix); if(digit < 0) break; n = n*radix + digit; - if(n < 0) return JS.NaN; // overflow; + if(n < 0) return NaN; // overflow; } if(n <= Integer.MAX_VALUE) return JS.N(sign*(int)n); return JS.N((long)sign*n); @@ -179,8 +183,8 @@ class JSScope extends JS.O { } catch(NumberFormatException e) { } end--; } - return JS.NaN; + return NaN; } - } + }*/ }