Revision: 4296
http://vexi.svn.sourceforge.net/vexi/?rev=4296&view=rev
Author: mkpg2
Date: 2011-11-26 05:20:20 +0000 (Sat, 26 Nov 2011)
Log Message:
-----------
Refactor. Make JSU .java not .jpp for convenience.
Modified Paths:
--------------
trunk/org.vexi-library.js/src/main/jpp/org/ibex/js/JSMath.jpp
Added Paths:
-----------
trunk/org.vexi-library.js/src/main/java/org/ibex/js/JSU.java
Removed Paths:
-------------
trunk/org.vexi-library.js/src/main/jpp/org/ibex/js/JSU.jpp
Copied: trunk/org.vexi-library.js/src/main/java/org/ibex/js/JSU.java (from rev
4279, trunk/org.vexi-library.js/src/main/jpp/org/ibex/js/JSU.jpp)
===================================================================
--- trunk/org.vexi-library.js/src/main/java/org/ibex/js/JSU.java
(rev 0)
+++ trunk/org.vexi-library.js/src/main/java/org/ibex/js/JSU.java
2011-11-26 05:20:20 UTC (rev 4296)
@@ -0,0 +1,363 @@
+package org.ibex.js;
+
+import java.io.*;
+
+import org.ibex.js.JS.ConstructorList;
+import org.ibex.js.parse.*;
+import org.ibex.net.HTTP.*;
+import org.ibex.util.*;
+
+public class JSU implements Constants{
+ static public class Wrapper extends XML.Exn {
+ public JSExn wrapee;
+ public Wrapper(JSExn jse, XML xml) {
+ super("", 0, xml.getLine(), xml.getCol());
+ wrapee = jse;
+ }
+ }
+
+
+ public static JS deepcopy(JS obj) throws JSExn{
+ if(obj==null) return obj;
+ else if(obj instanceof JS.Copyable){
+ return ((JS.Copyable)obj).deepcopy();
+ }else{
+ throw new JSExn("deepcopy not supported for:
"+obj.getClass().getName());
+ }
+ }
+ ////////////////////
+ // CLONE stuff
+
+ // full unclone (unwraps all)
+ public static JS unclone(JS j) {
+ JS clone;
+ do {
+ clone = j;
+ j = clone.unclone();
+ } while(j!=clone);
+ return j;
+ }
+
+ static public Fountain getFountain(JS j) {
+ while(j != null && j instanceof JS.Clone) j = j.unclone();
+ if (j != null && j instanceof Fountain) return ((Fountain)j);
+ return null;
+ }
+
+ static public Fountain.HTTP getHTTPFountain(JS j) throws JSExn {
+ Fountain r = getFountain(j);
+ if(!(r instanceof Fountain.HTTP)) throw new JSExn("Expected http, got
"+r);
+ return (Fountain.HTTP)r;
+ }
+
+ static public InputStream getInputStream(JS js) throws IOException {
+ Fountain f = getFountain(js);
+ return (f!=null)?f.getInputStream():null;
+ }
+
+ static public OutputStream getOutputStream(JS js) throws IOException {
+ Fountain f = getFountain(js);
+ return (f!=null)?f.getOutputStream():null;
+ }
+
+ // HACK - this is an unideal way to handle it, as it relies
+ // on everywhere that handles IOExceptions from fountains to
+ // call this...
+ static public JSExn handleFountainExn(IOException e) {
+ if(e instanceof HTTPErrorResponse) {
+ HTTPErrorResponse he = (HTTPErrorResponse)e;
+ JSExn je = new JSExn(e.getMessage(),SC_http);
+ Fountain.ByteArray stream = new Fountain.ByteArray(he.bytes);
+ JS.Obj jeObj = je.getObject();
+ jeObj.putSafe(SC_code,JSU.S(he.code));
+ jeObj.putSafe(SC_stream,stream);
+ String mimetype = he.info.contentType;
+ // remove ; charset ... (TODO - verify we have already taken
this into account)
+ if(mimetype.indexOf(";")!=-1)
+ mimetype = mimetype.substring(0,mimetype.indexOf(";"));
+ jeObj.putSafe(SC_mimetype, JSU.S(mimetype));
+ return je;
+ }
+ return new JSExn(e.getMessage(),e);
+ }
+
+ /** Coerce a JS object into a boolean. */
+ public static boolean toBoolean(JS o) { return isTruthy(o); }
+
+ static public int toInt(JS js) throws JSExn{ return JSMath.toInt(js); }
+ static public long toLong(JS js) throws JSExn{ return JSMath.toLong(js); }
+ static public double toDouble(JS js) throws JSExn{ return
JSMath.toDouble(js); }
+
+
+ /** Coerce a JS object to a String. */
+ public static String toString(JS o) {
+ if(o == null) return "null";
+ return o.coerceToString();
+ }
+ public static String toString(Object o) {
+ if(o == null) return "null";
+ else if(o instanceof JS) return ((JS)o).coerceToString();
+ return
o.getClass().getSimpleName()+"@"+Integer.toHexString(o.hashCode());
+ }
+
+
+ public static boolean isInt(JS o) {
+ if(o == null) return true;
+ if(o instanceof JSNumber.I) return true;
+ if(o instanceof JSNumber) {
+ JSNumber n = (JSNumber) o;
+ return n.toInt() == n.toDouble();
+ }
+ if(o instanceof JSString) {
+ String s = ((JSString)o).s;
+ for(int i=0;i<s.length();i++)
+ if(s.charAt(i) < '0' || s.charAt(i) > '9') return false;
+ return s.length()>0;
+ }
+ return false;
+ }
+
+ public static boolean isFraction(JS o) {
+ if(o instanceof JSNumber) {
+ return ((JSNumber)o).isFraction();
+ }else{
+ return false;
+ }
+ }
+
+ public static boolean isString(JS o) {
+ if(o instanceof JSString) return true;
+ return false;
+ }
+
+ static public JS constructorsOf(JS arg){
+ JSArray r = new JSArray();
+ if(!(arg instanceof JS.Obj)) return r;
+ for(ConstructorList l = ((JS.Obj)arg).constructors;l!=null;l=l.next){
+ r.add(l.value);
+ }
+ return r;
+ }
+
+ // Instance Methods
////////////////////////////////////////////////////////////////////
+ public final static JS MATH = new JSMath();
+ //public final static JS GLOBAL = new Scope.Global();
+
+ // TODO - move to Constants
+ public static final JS T = JSBoolean.TRUE;
+ public static final JS F = JSBoolean.FALSE;
+
+ public static final JS B(boolean b) { return b ? T : F; }
+ public static final JS B(int i) { return i==0 ? F : T; }
+
+ private static final int CACHE_SIZE = 65536 / 4; // must be a power of two
+ private static final JSString[] stringCache = new JSString[CACHE_SIZE];
+ public static final JS S(String s) {
+ if(s == null) return null;
+ int slot = s.hashCode()&(CACHE_SIZE-1);
+ JSString ret = stringCache[slot];
+ if(ret == null || !ret.s.equals(s)) stringCache[slot] = ret = new
JSString(s);
+ return ret;
+ }
+ public static final JS S(String s, boolean intern) { return intern ?
JSString.intern(s) : S(s); }
+
+ public static final JS N(double d) { return new JSNumber.D(d); }
+ public static final JS N(long l) { return new JSNumber.L(l); }
+
+ public static final JS N(Number n) {
+ if(n instanceof Integer) return N(n.intValue());
+ if(n instanceof Long) return N(n.longValue());
+ return N(n.doubleValue());
+ }
+
+ private static final JSNumber.I negone = new JSNumber.I(-1);
+ private static final JSNumber.I[] icache = new JSNumber.I[128];
+ static { for (int i=0; i < icache.length; i++) icache[i] = new
JSNumber.I(i); }
+ public static final JS N(int i) {
+ return i == -1 ? negone : i >= 0 && i < icache.length ? icache[i] :
new JSNumber.I(i);
+ }
+
+ static public JSFunction cloneWithNewGlobalScope(Function f, JS s) {
+ return new JSFunction(f, new Scope.Top(s));
+ }
+ static public JSFunction cloneWithNewParentScope(Function f, Scope
parentScope) {
+ return new JSFunction(f, parentScope);
+ }
+
+
+ static public JS stackframe(int fromtop){
+ Interpreter cx = Scheduler.findCurrent().findCurrentInterpreter();
+ // HACKish
+ String sfLine = cx.stack.stackframe(fromtop);
+ if(sfLine==null){
+ return null;
+ }else{
+ String[] sf = sfLine.split(":",2);
+ String source = sf[0];
+ String line = sf[1];
+ if(line.indexOf(' ')!=-1){
+ line = line.split(" ")[0];
+ }
+ JSArray r = new JSArray(2);
+ r.add(JSU.S(source));
+ r.add(JSU.S(line));
+ return r;
+ }
+ }
+
+ static public final int NULL = 1;
+ static public final int OBJ = 2;
+ static public final int FOUNTAIN = 4;
+ static public final int NOTNULL = 6;
+ static public final int ANY = 7;
+
+ //static public final int[] applyArgs = new int[]{OBJ|NULL,ARRAY};
+ // 6, 8
+ static public JS[] checkApply(JS[] jsargs) throws JSExn{
+ if(jsargs.length<2) return JSU.EMPTY_JS_ARRAY;
+ if(!(jsargs[1] instanceof JSArrayLike)) throw new JSExn("Arg 2 should
be an array");
+ return ((JSArrayLike)jsargs[1]).toArray();
+ }
+
+ final static public void checkArgs(JS[] args, int[] types) throws JSExn{
+ if(args.length>types.length) throw new JSExn("Too many args, expected
"+types.length+", got " + args.length);
+ for(int i=0; i<types.length; i++){
+ JS arg = i>=args.length?null:args[i];
+ int type = types[i];
+
+ if(arg==null){
+ if((type & NULL)==0) throw new JSExn("Arg " + i + " cannot be
null");
+ else continue;
+ }
+ switch(type & ~NULL){
+ case OBJ:
+ // TODO - check probably incomplete ...
+ if(arg instanceof JSPrimitive) throw new JSExn("Arg " + i + "
should be a js object");
+ break;
+ case FOUNTAIN:
+ if(getFountain(arg)==null) throw new JSExn("Arg " + i + "
should be a FOUNTAIN");
+ break;
+ default:
+ }
+ }
+ }
+
+ static public JS expectArg(JS[] args, int index) throws JSExn {
+ if(args.length<=index) throw new JSExn("Expected argument
["+index+"]");
+ return args[index];
+ }
+ static public JS getArg(JS[] args, int index) { return getArg(args, index,
null); }
+ static public JS getArg(JS[] args, int index, JS default_) {
+ if(args.length<=index) return default_;
+ return args[index];
+ }
+ static public int expectArg_int(JS[] args, int index) throws JSExn {
+ JS js = getArg(args, index);
+ if(isInt(js)) return toInt(js);
+ throw new JSExn("Arg "+index+" is not an integer: "+js.toString());
+ }
+ static public int getArg_int(JS[] args, int index, int default_) throws
JSExn {
+ JS js = getArg(args, index);
+ if(js==null) return default_;
+ return expectArg_int(args, index);
+ }
+
+ /** lets us put multi-level get/put/call keys all in the same method */
+ static public class Sub extends JS.Obj {
+ final JS main;
+ final JS key;
+ public Sub(JS main, JS key) {
+ this.main = main;
+ this.key = key;
+ }
+ public void put(JS key, JS val) throws JSExn {
+ main.put(JSU.S(JSU.toString(this.key) + "." +
JSU.toString(key)), val);
+ }
+ public JS get(JS key) throws JSExn {
+ return main.get(JSU.S(JSU.toString(this.key) + "." +
JSU.toString(key)));
+ }
+ public JS callMethod(JS this_, JS method, JS[] args) throws JSExn {
+ return main.callMethod(this_, JSU.S(JSU.toString(this.key) + "." +
JSU.toString(method)), args);
+ }
+ }
+
+
+
+ ///////
+ // DEBUG (consider moving to DevUtil in src_dev)
+ ///
+ public static String opName(int op){
+ if (op < 0) return ByteCodes.bytecodeToString[-op];
+ else return Tokens.codeToString[op];
+ }
+
+
+ static public Basket.List backtrace(){
+ return new JSExn("").backtrace;
+ }
+
+ static private boolean xor(boolean a, boolean b){
+ return a && !b || !a && b;
+ }
+
+ static private boolean isPrimitive(JS a){
+ return a==null || a instanceof JSPrimitive;
+ }
+ static public boolean isTruthy(JS o){
+ if(o==null) return false;
+ return o.isTruthy();
+ }
+
+
+ static public boolean coerceEquals(JS a, JS b){
+ if(a==b) return true;
+ if(a==null || b==null) return false;
+
+ if(isPrimitive(a) && isPrimitive(b)){
+
+ boolean numA = a instanceof JSNumber;
+ boolean numB = b instanceof JSNumber;
+ if (xor(numA,numB)){
+ if(numB){
+ JS s = a;
+ a = b;
+ b = s;
+ }
+ JSNumber n = (JSNumber)a;
+ if(b instanceof JSBoolean)
+ return n.toInt()==((JSBoolean)b).toInt();
+ // string
+ String s = ((JSString)b).toString();
+ try {
+ if (n instanceof JSNumber.D || s.indexOf('.') != -1) {
+ return Double.parseDouble(s) == n.toDouble();
+ }
+ return Long.parseLong(s) == n.toLong();
+ } catch (NumberFormatException e) {
+ return false;
+ }
+ }
+
+// boolean boolA = a instanceof JSBoolean;
+// boolean boolB = b instanceof JSBoolean;
+// if (xor(boolA,boolB)){
+// if(boolB){
+// JS s = a;
+// a = b;
+// b = s;
+// }
+// boolean bool = ((JSBoolean)a).b;
+// if(!bool){
+// return "".equals(((JSString)b).s);
+// }
+// return false;
+// }
+ }
+ return a.equals(b);
+ }
+
+ static public JS hashOf(JS js) {
+ if(js==null) return null;
+ return JSU.S( Integer.toHexString(js.hashCode()));
+ }
+}
Modified: trunk/org.vexi-library.js/src/main/jpp/org/ibex/js/JSMath.jpp
===================================================================
--- trunk/org.vexi-library.js/src/main/jpp/org/ibex/js/JSMath.jpp
2011-11-24 07:43:49 UTC (rev 4295)
+++ trunk/org.vexi-library.js/src/main/jpp/org/ibex/js/JSMath.jpp
2011-11-26 05:20:20 UTC (rev 4296)
@@ -85,4 +85,22 @@
//#end
return super.get(key);
}
+
+ //#repeat long/int/double toLong/toInt/toDouble Long/Integer/Double
parseLong/parseInt/parseDouble
+ /** Coerce a JS object to a long. */
+ public static long toLong(JS o) throws JSExn {
+ if(o == null) return 0;
+ if(o instanceof JSNumber) return ((JSNumber)o).toLong();
+ if(o instanceof JSString) {
+ try {
+ return Long.parseLong(o.coerceToString());
+ } catch (NumberFormatException nfe) {
+ throw new JSExn("This string is not a number:
\""+o.coerceToString()+'"');
+ }
+ }
+ if(o instanceof JSDecimal) return ((JSDecimal)o).toLong();
+ if(o instanceof JSBoolean) return ((JSBoolean)o).toLong();
+ throw new JSExn("Can not coerce a " + o.getClass().getName() + " to a
number");
+ }
+ //#end
}
Deleted: trunk/org.vexi-library.js/src/main/jpp/org/ibex/js/JSU.jpp
===================================================================
--- trunk/org.vexi-library.js/src/main/jpp/org/ibex/js/JSU.jpp 2011-11-24
07:43:49 UTC (rev 4295)
+++ trunk/org.vexi-library.js/src/main/jpp/org/ibex/js/JSU.jpp 2011-11-26
05:20:20 UTC (rev 4296)
@@ -1,367 +0,0 @@
-package org.ibex.js;
-
-import java.io.*;
-
-import org.ibex.js.JS.ConstructorList;
-import org.ibex.js.parse.*;
-import org.ibex.net.HTTP.*;
-import org.ibex.util.*;
-
-public class JSU implements Constants{
- static public class Wrapper extends XML.Exn {
- public JSExn wrapee;
- public Wrapper(JSExn jse, XML xml) {
- super("", 0, xml.getLine(), xml.getCol());
- wrapee = jse;
- }
- }
-
-
- public static JS deepcopy(JS obj) throws JSExn{
- if(obj==null) return obj;
- else if(obj instanceof JS.Copyable){
- return ((JS.Copyable)obj).deepcopy();
- }else{
- throw new JSExn("deepcopy not supported for:
"+obj.getClass().getName());
- }
- }
- ////////////////////
- // CLONE stuff
-
- // full unclone (unwraps all)
- public static JS unclone(JS j) {
- JS clone;
- do {
- clone = j;
- j = clone.unclone();
- } while(j!=clone);
- return j;
- }
-
- static public Fountain getFountain(JS j) {
- while(j != null && j instanceof JS.Clone) j = j.unclone();
- if (j != null && j instanceof Fountain) return ((Fountain)j);
- return null;
- }
-
- static public Fountain.HTTP getHTTPFountain(JS j) throws JSExn {
- Fountain r = getFountain(j);
- if(!(r instanceof Fountain.HTTP)) throw new JSExn("Expected http, got
"+r);
- return (Fountain.HTTP)r;
- }
-
- static public InputStream getInputStream(JS js) throws IOException {
- Fountain f = getFountain(js);
- return (f!=null)?f.getInputStream():null;
- }
-
- static public OutputStream getOutputStream(JS js) throws IOException {
- Fountain f = getFountain(js);
- return (f!=null)?f.getOutputStream():null;
- }
-
- // HACK - this is an unideal way to handle it, as it relies
- // on everywhere that handles IOExceptions from fountains to
- // call this...
- static public JSExn handleFountainExn(IOException e) {
- if(e instanceof HTTPErrorResponse) {
- HTTPErrorResponse he = (HTTPErrorResponse)e;
- JSExn je = new JSExn(e.getMessage(),SC_http);
- Fountain.ByteArray stream = new Fountain.ByteArray(he.bytes);
- JS.Obj jeObj = je.getObject();
- jeObj.putSafe(SC_code,JSU.S(he.code));
- jeObj.putSafe(SC_stream,stream);
- String mimetype = he.info.contentType;
- // remove ; charset ... (TODO - verify we have already taken
this into account)
- if(mimetype.indexOf(";")!=-1)
- mimetype = mimetype.substring(0,mimetype.indexOf(";"));
- jeObj.putSafe(SC_mimetype, JSU.S(mimetype));
- return je;
- }
- return new JSExn(e.getMessage(),e);
- }
-
- /** Coerce a JS object into a boolean. */
- public static boolean toBoolean(JS o) { return isTruthy(o); }
-
- //#repeat long/int/double toLong/toInt/toDouble Long/Integer/Double
parseLong/parseInt/parseDouble
- /** Coerce a JS object to a long. */
- public static long toLong(JS o) throws JSExn {
- if(o == null) return 0;
- if(o instanceof JSNumber) return ((JSNumber)o).toLong();
- if(o instanceof JSString) {
- try {
- return Long.parseLong(o.coerceToString());
- } catch (NumberFormatException nfe) {
- throw new JSExn("This string is not a number:
\""+o.coerceToString()+'"');
- }
- }
- if(o instanceof JSDecimal) return ((JSDecimal)o).toLong();
- if(o instanceof JSBoolean) return ((JSBoolean)o).toLong();
- throw new JSExn("Can not coerce a " + o.getClass().getName() + " to a
number");
- }
- //#end
-
- /** Coerce a JS object to a String. */
- public static String toString(JS o) {
- if(o == null) return "null";
- return o.coerceToString();
- }
- public static String toString(Object o) {
- if(o == null) return "null";
- else if(o instanceof JS) return ((JS)o).coerceToString();
- return
o.getClass().getSimpleName()+"@"+Integer.toHexString(o.hashCode());
- }
-
-
- public static boolean isInt(JS o) {
- if(o == null) return true;
- if(o instanceof JSNumber.I) return true;
- if(o instanceof JSNumber) {
- JSNumber n = (JSNumber) o;
- return n.toInt() == n.toDouble();
- }
- if(o instanceof JSString) {
- String s = ((JSString)o).s;
- for(int i=0;i<s.length();i++)
- if(s.charAt(i) < '0' || s.charAt(i) > '9') return false;
- return s.length()>0;
- }
- return false;
- }
-
- public static boolean isFraction(JS o) {
- if(o instanceof JSNumber) {
- return ((JSNumber)o).isFraction();
- }else{
- return false;
- }
- }
-
- public static boolean isString(JS o) {
- if(o instanceof JSString) return true;
- return false;
- }
-
- static public JS constructorsOf(JS arg){
- JSArray r = new JSArray();
- if(!(arg instanceof JS.Obj)) return r;
- for(ConstructorList l = ((JS.Obj)arg).constructors;l!=null;l=l.next){
- r.add(l.value);
- }
- return r;
- }
-
- // Instance Methods
////////////////////////////////////////////////////////////////////
- public final static JS MATH = new JSMath();
- //public final static JS GLOBAL = new Scope.Global();
-
- // TODO - move to Constants
- public static final JS T = JSBoolean.TRUE;
- public static final JS F = JSBoolean.FALSE;
-
- public static final JS B(boolean b) { return b ? T : F; }
- public static final JS B(int i) { return i==0 ? F : T; }
-
- private static final int CACHE_SIZE = 65536 / 4; // must be a power of two
- private static final JSString[] stringCache = new JSString[CACHE_SIZE];
- public static final JS S(String s) {
- if(s == null) return null;
- int slot = s.hashCode()&(CACHE_SIZE-1);
- JSString ret = stringCache[slot];
- if(ret == null || !ret.s.equals(s)) stringCache[slot] = ret = new
JSString(s);
- return ret;
- }
- public static final JS S(String s, boolean intern) { return intern ?
JSString.intern(s) : S(s); }
-
- public static final JS N(double d) { return new JSNumber.D(d); }
- public static final JS N(long l) { return new JSNumber.L(l); }
-
- public static final JS N(Number n) {
- if(n instanceof Integer) return N(n.intValue());
- if(n instanceof Long) return N(n.longValue());
- return N(n.doubleValue());
- }
-
- private static final JSNumber.I negone = new JSNumber.I(-1);
- private static final JSNumber.I[] icache = new JSNumber.I[128];
- static { for (int i=0; i < icache.length; i++) icache[i] = new
JSNumber.I(i); }
- public static final JS N(int i) {
- return i == -1 ? negone : i >= 0 && i < icache.length ? icache[i] :
new JSNumber.I(i);
- }
-
- static public JSFunction cloneWithNewGlobalScope(Function f, JS s) {
- return new JSFunction(f, new Scope.Top(s));
- }
- static public JSFunction cloneWithNewParentScope(Function f, Scope
parentScope) {
- return new JSFunction(f, parentScope);
- }
-
-
- static public JS stackframe(int fromtop){
- Interpreter cx = Scheduler.findCurrent().findCurrentInterpreter();
- // HACKish
- String sfLine = cx.stack.stackframe(fromtop);
- if(sfLine==null){
- return null;
- }else{
- String[] sf = sfLine.split(":",2);
- String source = sf[0];
- String line = sf[1];
- if(line.indexOf(' ')!=-1){
- line = line.split(" ")[0];
- }
- JSArray r = new JSArray(2);
- r.add(JSU.S(source));
- r.add(JSU.S(line));
- return r;
- }
- }
-
- static public final int NULL = 1;
- static public final int OBJ = 2;
- static public final int FOUNTAIN = 4;
- static public final int NOTNULL = 6;
- static public final int ANY = 7;
-
- //static public final int[] applyArgs = new int[]{OBJ|NULL,ARRAY};
- // 6, 8
- static public JS[] checkApply(JS[] jsargs) throws JSExn{
- if(jsargs.length<2) return JSU.EMPTY_JS_ARRAY;
- if(!(jsargs[1] instanceof JSArrayLike)) throw new JSExn("Arg 2 should
be an array");
- return ((JSArrayLike)jsargs[1]).toArray();
- }
-
- final static public void checkArgs(JS[] args, int[] types) throws JSExn{
- if(args.length>types.length) throw new JSExn("Too many args, expected
"+types.length+", got " + args.length);
- for(int i=0; i<types.length; i++){
- JS arg = i>=args.length?null:args[i];
- int type = types[i];
-
- if(arg==null){
- if((type & NULL)==0) throw new JSExn("Arg " + i + " cannot be
null");
- else continue;
- }
- switch(type & ~NULL){
- case OBJ:
- // TODO - check probably incomplete ...
- if(arg instanceof JSPrimitive) throw new JSExn("Arg " + i + "
should be a js object");
- break;
- case FOUNTAIN:
- if(getFountain(arg)==null) throw new JSExn("Arg " + i + "
should be a FOUNTAIN");
- break;
- default:
- }
- }
- }
-
- static public JS expectArg(JS[] args, int index) throws JSExn {
- if(args.length<=index) throw new JSExn("Expected argument
["+index+"]");
- return args[index];
- }
- static public JS getArg(JS[] args, int index) { return getArg(args, index,
null); }
- static public JS getArg(JS[] args, int index, JS default_) {
- if(args.length<=index) return default_;
- return args[index];
- }
-
-
- /** lets us put multi-level get/put/call keys all in the same method */
- static public class Sub extends JS.Obj {
- final JS main;
- final JS key;
- public Sub(JS main, JS key) {
- this.main = main;
- this.key = key;
- }
- public void put(JS key, JS val) throws JSExn {
- main.put(JSU.S(JSU.toString(this.key) + "." +
JSU.toString(key)), val);
- }
- public JS get(JS key) throws JSExn {
- return main.get(JSU.S(JSU.toString(this.key) + "." +
JSU.toString(key)));
- }
- public JS callMethod(JS this_, JS method, JS[] args) throws JSExn {
- return main.callMethod(this_, JSU.S(JSU.toString(this.key) + "." +
JSU.toString(method)), args);
- }
- }
-
-
-
- ///////
- // DEBUG (consider moving to DevUtil in src_dev)
- ///
- public static String opName(int op){
- if (op < 0) return ByteCodes.bytecodeToString[-op];
- else return Tokens.codeToString[op];
- }
-
-
- static public Basket.List backtrace(){
- return new JSExn("").backtrace;
- }
-
- static private boolean xor(boolean a, boolean b){
- return a && !b || !a && b;
- }
-
- static private boolean isPrimitive(JS a){
- return a==null || a instanceof JSPrimitive;
- }
- static public boolean isTruthy(JS o){
- if(o==null) return false;
- return o.isTruthy();
- }
-
-
- static public boolean coerceEquals(JS a, JS b){
- if(a==b) return true;
- if(a==null || b==null) return false;
-
- if(isPrimitive(a) && isPrimitive(b)){
-
- boolean numA = a instanceof JSNumber;
- boolean numB = b instanceof JSNumber;
- if (xor(numA,numB)){
- if(numB){
- JS s = a;
- a = b;
- b = s;
- }
- JSNumber n = (JSNumber)a;
- if(b instanceof JSBoolean)
- return n.toInt()==((JSBoolean)b).toInt();
- // string
- String s = ((JSString)b).toString();
- try {
- if (n instanceof JSNumber.D || s.indexOf('.') != -1) {
- return Double.parseDouble(s) == n.toDouble();
- }
- return Long.parseLong(s) == n.toLong();
- } catch (NumberFormatException e) {
- return false;
- }
- }
-
-// boolean boolA = a instanceof JSBoolean;
-// boolean boolB = b instanceof JSBoolean;
-// if (xor(boolA,boolB)){
-// if(boolB){
-// JS s = a;
-// a = b;
-// b = s;
-// }
-// boolean bool = ((JSBoolean)a).b;
-// if(!bool){
-// return "".equals(((JSString)b).s);
-// }
-// return false;
-// }
- }
- return a.equals(b);
- }
-
- static public JS hashOf(JS js) {
- if(js==null) return null;
- return JSU.S( Integer.toHexString(js.hashCode()));
- }
-}
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