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Add support of embedded time zone decoding

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This commit is contained in:
Alexey Andreev 2015-05-16 16:50:00 +03:00
parent a6287b6cfd
commit 05c74a2d8a
18 changed files with 465 additions and 205 deletions
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3
teavm-classlib/src/main/java/org/teavm/classlib/impl/tz/CachedDateTimeZone.java
View File

@ -15,8 +15,6 @@
*/
package org.teavm.classlib.impl.tz;
import org.teavm.classlib.impl.Base46;
/**
* Improves the performance of requesting time zone offsets and name keys by
* caching the results. Time zones that have simple rules or are fixed should
@ -64,7 +62,6 @@ public class CachedDateTimeZone extends StorableDateTimeZone {
@Override
public void write(StringBuilder sb) {
Base46.encodeUnsigned(sb, CACHED);
iZone.write(sb);
}

91
teavm-classlib/src/main/java/org/teavm/classlib/impl/tz/DateTimeZoneBuilder.java
View File

@ -21,6 +21,7 @@ import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.Iterator;
import org.teavm.classlib.impl.Base46;
import org.teavm.classlib.impl.CharFlow;
/**
* DateTimeZoneBuilder allows complex DateTimeZones to be constructed. Since
@ -287,7 +288,7 @@ public class DateTimeZoneBuilder {
/**
* Supports setting fields of year and moving between transitions.
*/
private static final class OfYear {
static final class OfYear {
// Is 'u', 'w', or 's'.
final char iMode;
@ -317,14 +318,23 @@ public class DateTimeZoneBuilder {
public void write(StringBuilder sb) {
sb.append(iMode);
Base46.encodeUnsigned(sb, iDayOfMonth);
Base46.encodeUnsigned(sb, iMonthOfYear);
Base46.encode(sb, iDayOfMonth);
Base46.encodeUnsigned(sb, iDayOfMonth);
Base46.encode(sb, iDayOfWeek);
sb.append(iAdvance ? 'y' : 'n');
StorableDateTimeZone.writeUnsignedTime(sb, iMillisOfDay);
}
public static OfYear read(CharFlow flow) {
char mode = flow.characters[flow.pointer++];
int monthOfYear = Base46.decodeUnsigned(flow);
int dayOfMonth = Base46.decodeUnsigned(flow);
int dayOfWeek = Base46.decode(flow);
boolean advance = flow.characters[flow.pointer++] == 'y';
int millisOfDay = (int)StorableDateTimeZone.readUnsignedTime(flow);
return new OfYear(mode, monthOfYear, dayOfMonth, dayOfWeek, advance, millisOfDay);
}
/**
* @param standardOffset standard offset just before instant
*/
@ -342,6 +352,10 @@ public class DateTimeZoneBuilder {
calendar.setTimeInMillis(0);
calendar.set(Calendar.YEAR, year);
calendar.set(Calendar.MONTH, iMonthOfYear - 1);
calendar.set(Calendar.HOUR, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
calendar.set(Calendar.MILLISECOND, 0);
calendar.add(Calendar.MILLISECOND, iMillisOfDay);
setDayOfMonth(calendar);
@ -350,7 +364,7 @@ public class DateTimeZoneBuilder {
}
// Convert from local time to UTC.
return calendar.getTimeInMillis() - offset;
return calendar.getTimeInMillis() + calendar.get(Calendar.ZONE_OFFSET) - offset;
}
/**
@ -381,13 +395,13 @@ public class DateTimeZoneBuilder {
setDayOfMonthNext(calendar);
if (iDayOfWeek == 0) {
if (calendar.getTimeInMillis() <= instant) {
if (calendar.getTimeInMillis() + calendar.get(Calendar.ZONE_OFFSET) <= instant) {
calendar.add(Calendar.YEAR, 1);
setDayOfMonthNext(calendar);
}
} else {
setDayOfWeek(calendar);
if (calendar.getTimeInMillis() <= instant) {
if (calendar.getTimeInMillis() + calendar.get(Calendar.ZONE_OFFSET) <= instant) {
calendar.add(Calendar.YEAR, 1);
calendar.set(Calendar.MONTH, iMonthOfYear - 1);
setDayOfMonthNext(calendar);
@ -396,7 +410,7 @@ public class DateTimeZoneBuilder {
}
// Convert from local time to UTC.
return calendar.getTimeInMillis() - offset;
return calendar.getTimeInMillis() + calendar.get(Calendar.ZONE_OFFSET) - offset;
}
/**
@ -428,13 +442,13 @@ public class DateTimeZoneBuilder {
setDayOfMonthPrevious(calendar);
if (iDayOfWeek == 0) {
if (calendar.getTimeInMillis() >= instant) {
if (calendar.getTimeInMillis() + calendar.get(Calendar.ZONE_OFFSET) >= instant) {
calendar.add(Calendar.YEAR, -1);
setDayOfMonthPrevious(calendar);
}
} else {
setDayOfWeek(calendar);
if (calendar.getTimeInMillis() >= instant) {
if (calendar.getTimeInMillis() + calendar.get(Calendar.ZONE_OFFSET) >= instant) {
calendar.add(Calendar.YEAR, -1);
calendar.set(Calendar.MONTH, iMonthOfYear - 1);
setDayOfMonthPrevious(calendar);
@ -443,7 +457,7 @@ public class DateTimeZoneBuilder {
}
// Convert from local time to UTC.
return calendar.getTimeInMillis() - offset;
return calendar.getTimeInMillis() + calendar.get(Calendar.ZONE_OFFSET) - offset;
}
/**
@ -455,6 +469,7 @@ public class DateTimeZoneBuilder {
calendar.add(Calendar.YEAR, 1);
}
}
setDayOfMonth(calendar);
}
/**
@ -466,6 +481,7 @@ public class DateTimeZoneBuilder {
calendar.add(Calendar.YEAR, -1);
}
}
setDayOfMonth(calendar);
}
private void setDayOfMonth(Calendar calendar) {
@ -499,7 +515,7 @@ public class DateTimeZoneBuilder {
/**
* Extends OfYear with a nameKey and savings.
*/
private static final class Recurrence {
static final class Recurrence {
final OfYear iOfYear;
final int iSaveMillis;
@ -534,6 +550,12 @@ public class DateTimeZoneBuilder {
iOfYear.write(sb);
StorableDateTimeZone.writeTime(sb, iSaveMillis);
}
public static Recurrence read(CharFlow flow) {
OfYear ofYear = OfYear.read(flow);
int saveMillis = (int)StorableDateTimeZone.readTime(flow);
return new Recurrence(ofYear, saveMillis);
}
}
/**
@ -585,7 +607,7 @@ public class DateTimeZoneBuilder {
calendar.setTimeInMillis(0);
calendar.set(Calendar.YEAR, iFromYear);
// First advance instant to start of from year.
testInstant = calendar.getTimeInMillis() - wallOffset;
testInstant = calendar.getTimeInMillis() + calendar.get(Calendar.ZONE_OFFSET) - wallOffset;
// Back off one millisecond to account for next recurrence
// being exactly at the beginning of the year.
testInstant -= 1;
@ -878,13 +900,12 @@ public class DateTimeZoneBuilder {
}
}
private static final class DSTZone extends StorableDateTimeZone {
static final class DSTZone extends StorableDateTimeZone {
final int iStandardOffset;
final Recurrence iStartRecurrence;
final Recurrence iEndRecurrence;
DSTZone(String id, int standardOffset,
Recurrence startRecurrence, Recurrence endRecurrence) {
DSTZone(String id, int standardOffset, Recurrence startRecurrence, Recurrence endRecurrence) {
super(id);
iStandardOffset = standardOffset;
iStartRecurrence = startRecurrence;
@ -989,7 +1010,7 @@ public class DateTimeZoneBuilder {
end = instant;
}
return ((start > end) ? start : end) - 1;
return (start > end ? start : end) - 1;
}
private Recurrence findMatchingRecurrence(long instant) {
@ -1031,9 +1052,16 @@ public class DateTimeZoneBuilder {
iStartRecurrence.write(sb);
iEndRecurrence.write(sb);
}
public static DSTZone readZone(String id, CharFlow flow) {
int standardOffset = (int)readTime(flow);
Recurrence startRecurrence = Recurrence.read(flow);
Recurrence endRecurrence = Recurrence.read(flow);
return new DSTZone(id, standardOffset, startRecurrence, endRecurrence);
}
}
private static final class PrecalculatedZone extends StorableDateTimeZone {
static final class PrecalculatedZone extends StorableDateTimeZone {
/**
* Factory to create instance from builder.
*
@ -1097,7 +1125,7 @@ public class DateTimeZoneBuilder {
@Override
public void write(StringBuilder sb) {
int start = 0;
while (start + 1 < iTransitions.length && iTransitions[start + 1] < 0) {
while (start + 1 < iTransitions.length && iTransitions[start + 1] < 631170000000L) {
++start;
}
@ -1111,7 +1139,7 @@ public class DateTimeZoneBuilder {
writeTime(sb, transitions[start]);
for (int i = start + 1; i < transitions.length; ++i) {
writeTime(sb, transitions[i] - transitions[i - 1] - (365 * 3600 * 1000));
writeTime(sb, transitions[i] - transitions[i - 1] - (365 * 3600 * 1000 / 2));
}
writeTimeArray(sb, Arrays.copyOfRange(iWallOffsets, start, transitions.length));
@ -1125,6 +1153,31 @@ public class DateTimeZoneBuilder {
}
}
public static StorableDateTimeZone readZone(String id, CharFlow flow) {
int length = Base46.decodeUnsigned(flow);
long[] transitions = new long[length];
int[] wallOffsets = new int[length];
int[] standardOffsets = new int[length];
transitions[0] = readTime(flow);
for (int i = 1; i < length; ++i) {
transitions[i] = transitions[i - 1] + readTime(flow) + 365 * 3600 * 1000 / 2;
}
readTimeArray(flow, wallOffsets);
readTimeArray(flow, standardOffsets);
DSTZone tailZone;
if (flow.characters[flow.pointer++] == 'y') {
tailZone = DSTZone.readZone(id, flow);
} else {
tailZone = null;
}
PrecalculatedZone result = new PrecalculatedZone(id, transitions, wallOffsets, standardOffsets, tailZone);
return result.isCachable() ? CachedDateTimeZone.forZone(result) : result;
}
@Override
public int getOffset(long instant) {
long[] transitions = iTransitions;

90
teavm-classlib/src/main/java/org/teavm/classlib/impl/tz/DateTimeZoneProvider.java Normal file
View File

@ -0,0 +1,90 @@
/*
* Copyright 2015 Alexey Andreev.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.teavm.classlib.impl.tz;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.teavm.classlib.impl.Base46;
import org.teavm.classlib.impl.CharFlow;
import org.teavm.platform.metadata.MetadataProvider;
import org.teavm.platform.metadata.ResourceMap;
/**
*
* @author Alexey Andreev
*/
public class DateTimeZoneProvider {
private static Map<String, DateTimeZone> cache = new HashMap<>();
public static DateTimeZone getTimeZone(String id) {
if (!cache.containsKey(id)) {
cache.put(id, createTimeZone(id));
}
return cache.get(id);
}
private static DateTimeZone createTimeZone(String id) {
TimeZoneResource res = getTimeZoneResource(id);
if (res == null) {
return null;
}
String data = res.getData();
CharFlow flow = new CharFlow(data.toCharArray());
if (Base46.decode(flow) == StorableDateTimeZone.ALIAS) {
String aliasId = data.substring(flow.pointer);
return getTimeZone(aliasId);
} else {
return StorableDateTimeZone.read(id, data);
}
}
public static String[] getIds() {
List<String> ids = new ArrayList<>();
for (String areaName : getResource().keys()) {
ResourceMap<TimeZoneResource> area = getResource().get(areaName);
for (String id : area.keys()) {
if (!areaName.isEmpty()) {
id = areaName + "/" + id;
}
ids.add(id);
}
}
return ids.toArray(new String[ids.size()]);
}
private static TimeZoneResource getTimeZoneResource(String id) {
String areaName;
String locationName;
int sepIndex = id.indexOf('/');
if (sepIndex >= 0) {
areaName = id.substring(0, sepIndex);
locationName = id.substring(sepIndex + 1);
} else {
areaName = "";
locationName = id;
}
ResourceMap<TimeZoneResource> area = getResource().get(areaName);
if (area == null) {
return null;
}
return area.get(locationName);
}
@MetadataProvider(TimeZoneGenerator.class)
private static native ResourceMap<ResourceMap<TimeZoneResource>> getResource();
}

7
teavm-classlib/src/main/java/org/teavm/classlib/impl/tz/FixedDateTimeZone.java
View File

@ -16,6 +16,7 @@
package org.teavm.classlib.impl.tz;
import org.teavm.classlib.impl.Base46;
import org.teavm.classlib.impl.CharFlow;
/**
* Basic DateTimeZone implementation that has a fixed name key and offsets.
@ -71,4 +72,10 @@ public final class FixedDateTimeZone extends StorableDateTimeZone {
writeTime(sb, iWallOffset);
writeTime(sb, iStandardOffset);
}
public static FixedDateTimeZone readZone(String id, CharFlow flow) {
int wallOffset = (int)readTime(flow);
int standardOffset = (int)readTime(flow);
return new FixedDateTimeZone(id, wallOffset, standardOffset);
}
}

62
teavm-classlib/src/main/java/org/teavm/classlib/impl/tz/StorableDateTimeZone.java
View File

@ -16,16 +16,19 @@
package org.teavm.classlib.impl.tz;
import org.teavm.classlib.impl.Base46;
import org.teavm.classlib.impl.CharFlow;
import org.teavm.classlib.impl.tz.DateTimeZoneBuilder.DSTZone;
import org.teavm.classlib.impl.tz.DateTimeZoneBuilder.PrecalculatedZone;
/**
*
* @author Alexey Andreev
*/
public abstract class StorableDateTimeZone extends DateTimeZone {
public static int PRECALCULATED = 0;
public static int FIXED = 1;
public static int CACHED = 2;
public static int DST = 3;
public static final int PRECALCULATED = 0;
public static final int FIXED = 1;
public static final int DST = 3;
public static final int ALIAS = 4;
public StorableDateTimeZone(String id) {
super(id);
@ -41,6 +44,15 @@ public abstract class StorableDateTimeZone extends DateTimeZone {
}
}
public static long readTime(CharFlow flow) {
long value = Base46.decodeLong(flow);
if ((value & 1) == 0) {
return (value >> 1) * 1800_000;
} else {
return (value >> 1) * 60_000;
}
}
public static void writeUnsignedTime(StringBuilder sb, long time) {
if (time % 1800_000 == 0) {
Base46.encodeUnsigned(sb, (int)((time / 1800_000) << 1));
@ -49,6 +61,15 @@ public abstract class StorableDateTimeZone extends DateTimeZone {
}
}
public static long readUnsignedTime(CharFlow flow) {
long value = Base46.decodeUnsignedLong(flow);
if ((value & 1) == 0) {
return (value >>> 1) * 1800_000;
} else {
return (value >>> 1) * 60_000;
}
}
public static void writeTimeArray(StringBuilder sb, int[] timeArray) {
int last = 0;
for (int i = 1; i < timeArray.length; ++i) {
@ -78,4 +99,37 @@ public abstract class StorableDateTimeZone extends DateTimeZone {
}
}
}
public static void readTimeArray(CharFlow flow, int[] array) {
int index = 0;
while (index < array.length) {
int count = Base46.decode(flow);
if (count >= 0) {
int t = (int)readTime(flow);
while (count-- > 0) {
array[index++] = t;
}
} else {
count = ~count;
while (count-- > 0) {
array[index++] = (int)readTime(flow);
}
}
}
}
public static StorableDateTimeZone read(String id, String text) {
CharFlow flow = new CharFlow(text.toCharArray());
int type = Base46.decode(flow);
switch (type) {
case PRECALCULATED:
return PrecalculatedZone.readZone(id, flow);
case DST:
return DSTZone.readZone(id, flow);
case FIXED:
return FixedDateTimeZone.readZone(id, flow);
default:
throw new IllegalArgumentException("Unknown zone type: " + type);
}
}
}

22
teavm-classlib/src/main/java/org/teavm/classlib/impl/tz/TimeZoneGenerator.java
View File

@ -19,9 +19,11 @@ import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Map;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import org.teavm.classlib.impl.Base46;
import org.teavm.model.MethodReference;
import org.teavm.platform.metadata.MetadataGenerator;
import org.teavm.platform.metadata.MetadataGeneratorContext;
@ -66,17 +68,22 @@ public class TimeZoneGenerator implements MetadataGenerator {
}
}
} catch (IOException e) {
throw new RuntimeException("Error generating TimeZones", e);
throw new RuntimeException("Error generating time zones", e);
}
Map<String, StorableDateTimeZone> zoneMap = compiler.compile();
Map<StorableDateTimeZone, String> zones = new HashMap<>();
for (String id : zoneMap.keySet()) {
int sepIndex = id.indexOf('/');
String areaName;
String locationName;
if (sepIndex < 0) {
continue;
areaName = "";
locationName = id;
} else {
areaName = id.substring(0, sepIndex);
locationName = id.substring(sepIndex + 1);
}
String areaName = id.substring(0, sepIndex);
String locationName = id.substring(sepIndex + 1);
ResourceMap<TimeZoneResource> area = result.get(areaName);
if (area == null) {
area = context.createResourceMap();
@ -86,7 +93,14 @@ public class TimeZoneGenerator implements MetadataGenerator {
StorableDateTimeZone tz = zoneMap.get(id);
TimeZoneResource tzRes = context.createResource(TimeZoneResource.class);
StringBuilder data = new StringBuilder();
String knownId = zones.get(tz);
if (knownId == null) {
tz.write(data);
zones.put(tz, id);
} else {
Base46.encode(data, StorableDateTimeZone.ALIAS);
data.append(knownId);
}
tzRes.setData(data.toString());
area.put(locationName, tzRes);
}

39
teavm-classlib/src/main/java/org/teavm/classlib/impl/tz/TimeZoneResourceProvider.java
View File

@ -1,39 +0,0 @@
/*
* Copyright 2015 Alexey Andreev.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.teavm.classlib.impl.tz;
import org.teavm.platform.metadata.MetadataProvider;
import org.teavm.platform.metadata.ResourceMap;
/**
*
* @author Alexey Andreev
*/
public class TimeZoneResourceProvider {
public static TimeZoneResource getTimeZone(String id) {
int sepIndex = id.indexOf('/');
String areaName = id.substring(0, sepIndex);
String locationName = id.substring(sepIndex + 1);
ResourceMap<TimeZoneResource> area = getResource().get(areaName);
if (area == null) {
return null;
}
return area.get(locationName);
}
@MetadataProvider(TimeZoneGenerator.class)
private static native ResourceMap<ResourceMap<TimeZoneResource>> getResource();
}

4
teavm-classlib/src/main/java/org/teavm/classlib/impl/tz/ZoneInfoCompiler.java
View File

@ -182,7 +182,7 @@ public class ZoneInfoCompiler {
long trans = transitions.get(i).longValue();
/*if (trans - 1 != millis) {
if (trans - 1 != millis) {
System.out.println("*r* Error in " + tz.getID() + " "
+ new DateTime(millis,
ISOChronology.getInstanceUTC()) + " != "
@ -190,7 +190,7 @@ public class ZoneInfoCompiler {
ISOChronology.getInstanceUTC()));
return false;
}*/
}
}
return true;

2
teavm-classlib/src/main/java/org/teavm/classlib/java/lang/TClass.java
View File

@ -174,7 +174,7 @@ public class TClass<T> extends TObject {
return forName(name);
}
@SuppressWarnings({ "unchecked" })
@SuppressWarnings({ "unchecked", "unused" })
public T newInstance() throws TInstantiationException, TIllegalAccessException {
Object instance = Platform.newInstance(platformClass);
if (instance == null) {

2
teavm-platform/src/main/java/org/teavm/platform/metadata/ResourceMap.java
View File

@ -26,4 +26,6 @@ public interface ResourceMap<T extends Resource> extends Resource {
T get(String key);
void put(String key, T value);
String[] keys();
}

5
teavm-platform/src/main/java/org/teavm/platform/plugin/BuildTimeResourceMap.java
View File

@ -59,4 +59,9 @@ class BuildTimeResourceMap<T extends Resource> implements ResourceMap<T>, Resour
}
writer.append('}').tokenBoundary();
}
@Override
public String[] keys() {
return data.keySet().toArray(new String[data.size()]);
}
}

11
teavm-platform/src/main/java/org/teavm/platform/plugin/ResourceAccessor.java
View File

@ -29,6 +29,17 @@ final class ResourceAccessor {
public static native Resource get(Object obj, String propertyName);
public static native Object keys(Object obj);
public static String[] keysToStrings(Object keys) {
int sz = size(keys);
String[] result = new String[sz];
for (int i = 0; i < sz; ++i) {
result[i] = castToString(get(keys, i));
}
return result;
}
public static native void put(Object obj, String propertyName, Object elem);
public static native Resource get(Object obj, int index);

135
teavm-platform/src/main/java/org/teavm/platform/plugin/ResourceAccessorGenerator.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2014 Alexey Andreev.
* Copyright 2015 Alexey Andreev.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -16,135 +16,22 @@
package org.teavm.platform.plugin;
import java.io.IOException;
import org.teavm.javascript.ast.ConstantExpr;
import org.teavm.javascript.ast.Expr;
import org.teavm.javascript.spi.Injector;
import org.teavm.javascript.spi.InjectorContext;
import org.teavm.codegen.SourceWriter;
import org.teavm.javascript.spi.Generator;
import org.teavm.javascript.spi.GeneratorContext;
import org.teavm.model.MethodReference;
import org.teavm.model.ValueType;
/**
*
* @author Alexey Andreev
*/
class ResourceAccessorGenerator implements Injector {
class ResourceAccessorGenerator implements Generator {
@Override
public void generate(InjectorContext context, MethodReference methodRef) throws IOException {
switch (methodRef.getName()) {
case "get":
case "getProperty":
if (methodRef.getDescriptor().parameterType(1) == ValueType.INTEGER) {
context.writeExpr(context.getArgument(0));
context.getWriter().append('[');
context.writeExpr(context.getArgument(1));
context.getWriter().append(']');
} else {
context.writeExpr(context.getArgument(0));
writePropertyAccessor(context, context.getArgument(1));
}
break;
case "put":
context.getWriter().append('(');
if (methodRef.getDescriptor().parameterType(1) == ValueType.INTEGER) {
context.writeExpr(context.getArgument(0));
context.getWriter().append('[');
context.writeExpr(context.getArgument(1));
} else {
context.writeExpr(context.getArgument(0));
writePropertyAccessor(context, context.getArgument(1));
}
context.getWriter().ws().append('=').ws();
context.writeExpr(context.getArgument(2));
context.getWriter().append(')');
break;
case "add":
context.writeExpr(context.getArgument(0));
context.getWriter().append(".push(");
context.writeExpr(context.getArgument(1));
context.getWriter().append(')');
break;
case "has":
context.writeExpr(context.getArgument(0));
context.getWriter().append(".hasOwnProperty(");
writeStringExpr(context, context.getArgument(1));
context.getWriter().append(')');
break;
case "size":
context.writeExpr(context.getArgument(0));
context.getWriter().append(".length");
break;
case "castToInt":
case "castToShort":
case "castToByte":
case "castToBoolean":
case "castToFloat":
case "castToDouble":
case "castFromInt":
case "castFromShort":
case "castFromByte":
case "castFromBoolean":
case "castFromFloat":
case "castFromDouble":
context.writeExpr(context.getArgument(0));
break;
case "castToString":
context.getWriter().append('(');
context.writeExpr(context.getArgument(0));
context.getWriter().ws().append("!==").ws().append("null").ws().append("?").ws();
context.getWriter().append("$rt_str(");
context.writeExpr(context.getArgument(0));
context.getWriter().append(")").ws().append(':').ws().append("null)");
break;
case "castFromString":
context.getWriter().append('(');
context.writeExpr(context.getArgument(0));
context.getWriter().ws().append("!==").ws().append("null").ws().append("?").ws();
context.getWriter().append("$rt_ustr(");
context.writeExpr(context.getArgument(0));
context.getWriter().append(")").ws().append(':').ws().append("null)");
break;
}
}
private void writePropertyAccessor(InjectorContext context, Expr property) throws IOException {
if (property instanceof ConstantExpr) {
String str = (String)((ConstantExpr)property).getValue();
if (str.isEmpty()) {
context.getWriter().append("[\"\"]");
return;
}
if (isValidIndentifier(str)) {
context.getWriter().append(".").append(str);
return;
}
}
context.getWriter().append("[$rt_ustr(");
context.writeExpr(property);
context.getWriter().append(")]");
}
private void writeStringExpr(InjectorContext context, Expr expr) throws IOException {
if (expr instanceof ConstantExpr) {
String str = (String)((ConstantExpr)expr).getValue();
context.getWriter().append('"');
context.writeEscaped(str);
context.getWriter().append('"');
return;
}
context.getWriter().append("$rt_ustr(");
context.writeExpr(expr);
context.getWriter().append(")");
}
private boolean isValidIndentifier(String str) {
if (!Character.isJavaIdentifierStart(str.charAt(0))) {
return false;
}
for (int i = 1; i < str.length(); ++i) {
if (!Character.isJavaIdentifierPart(str.charAt(i))) {
return false;
}
}
return true;
public void generate(GeneratorContext context, SourceWriter writer, MethodReference methodRef) throws IOException {
writer.append("var result = [];").softNewLine();
writer.append("for (var key in ").append(context.getParameterName(1)).append(") {").indent().softNewLine();
writer.append("result.push(key);").softNewLine();
writer.outdent().append("}").softNewLine();
writer.append("return result;").softNewLine();
}
}

150
teavm-platform/src/main/java/org/teavm/platform/plugin/ResourceAccessorInjector.java Normal file
View File

@ -0,0 +1,150 @@
/*
* Copyright 2014 Alexey Andreev.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.teavm.platform.plugin;
import java.io.IOException;
import org.teavm.javascript.ast.ConstantExpr;
import org.teavm.javascript.ast.Expr;
import org.teavm.javascript.spi.Injector;
import org.teavm.javascript.spi.InjectorContext;
import org.teavm.model.MethodReference;
import org.teavm.model.ValueType;
/**
*
* @author Alexey Andreev
*/
class ResourceAccessorInjector implements Injector {
@Override
public void generate(InjectorContext context, MethodReference methodRef) throws IOException {
switch (methodRef.getName()) {
case "get":
case "getProperty":
if (methodRef.getDescriptor().parameterType(1) == ValueType.INTEGER) {
context.writeExpr(context.getArgument(0));
context.getWriter().append('[');
context.writeExpr(context.getArgument(1));
context.getWriter().append(']');
} else {
context.writeExpr(context.getArgument(0));
writePropertyAccessor(context, context.getArgument(1));
}
break;
case "put":
context.getWriter().append('(');
if (methodRef.getDescriptor().parameterType(1) == ValueType.INTEGER) {
context.writeExpr(context.getArgument(0));
context.getWriter().append('[');
context.writeExpr(context.getArgument(1));
} else {
context.writeExpr(context.getArgument(0));
writePropertyAccessor(context, context.getArgument(1));
}
context.getWriter().ws().append('=').ws();
context.writeExpr(context.getArgument(2));
context.getWriter().append(')');
break;
case "add":
context.writeExpr(context.getArgument(0));
context.getWriter().append(".push(");
context.writeExpr(context.getArgument(1));
context.getWriter().append(')');
break;
case "has":
context.writeExpr(context.getArgument(0));
context.getWriter().append(".hasOwnProperty(");
writeStringExpr(context, context.getArgument(1));
context.getWriter().append(')');
break;
case "size":
context.writeExpr(context.getArgument(0));
context.getWriter().append(".length");
break;
case "castToInt":
case "castToShort":
case "castToByte":
case "castToBoolean":
case "castToFloat":
case "castToDouble":
case "castFromInt":
case "castFromShort":
case "castFromByte":
case "castFromBoolean":
case "castFromFloat":
case "castFromDouble":
context.writeExpr(context.getArgument(0));
break;
case "castToString":
context.getWriter().append('(');
context.writeExpr(context.getArgument(0));
context.getWriter().ws().append("!==").ws().append("null").ws().append("?").ws();
context.getWriter().append("$rt_str(");
context.writeExpr(context.getArgument(0));
context.getWriter().append(")").ws().append(':').ws().append("null)");
break;
case "castFromString":
context.getWriter().append('(');
context.writeExpr(context.getArgument(0));
context.getWriter().ws().append("!==").ws().append("null").ws().append("?").ws();
context.getWriter().append("$rt_ustr(");
context.writeExpr(context.getArgument(0));
context.getWriter().append(")").ws().append(':').ws().append("null)");
break;
}
}
private void writePropertyAccessor(InjectorContext context, Expr property) throws IOException {
if (property instanceof ConstantExpr) {
String str = (String)((ConstantExpr)property).getValue();
if (str.isEmpty()) {
context.getWriter().append("[\"\"]");
return;
}
if (isValidIndentifier(str)) {
context.getWriter().append(".").append(str);
return;
}
}
context.getWriter().append("[$rt_ustr(");
context.writeExpr(property);
context.getWriter().append(")]");
}
private void writeStringExpr(InjectorContext context, Expr expr) throws IOException {
if (expr instanceof ConstantExpr) {
String str = (String)((ConstantExpr)expr).getValue();
context.getWriter().append('"');
context.writeEscaped(str);
context.getWriter().append('"');
return;
}
context.getWriter().append("$rt_ustr(");
context.writeExpr(expr);
context.getWriter().append(")");
}
private boolean isValidIndentifier(String str) {
if (!Character.isJavaIdentifierStart(str.charAt(0))) {
return false;
}
for (int i = 1; i < str.length(); ++i) {
if (!Character.isJavaIdentifierPart(str.charAt(i))) {
return false;
}
}
return true;
}
}

10
teavm-platform/src/main/java/org/teavm/platform/plugin/ResourceAccessorTransformer.java
View File

@ -33,10 +33,14 @@ class ResourceAccessorTransformer implements ClassHolderTransformer {
@Override
public void transformClass(ClassHolder cls, ClassReaderSource innerSource, Diagnostics diagnostics) {
if (cls.getName().equals(ResourceAccessor.class.getName())) {
ResourceAccessorGenerator generator = new ResourceAccessorGenerator();
ResourceAccessorInjector injector = new ResourceAccessorInjector();
for (MethodHolder method : cls.getMethods()) {
if (!method.getName().equals("<init>")) {
vm.add(method.getReference(), generator);
if (method.hasModifier(ElementModifier.NATIVE)) {
if (method.getName().equals("keys")) {
vm.add(method.getReference(), new ResourceAccessorGenerator());
} else {
vm.add(method.getReference(), injector);
}
}
}
}

22
teavm-platform/src/main/java/org/teavm/platform/plugin/ResourceProgramTransformer.java
View File

@ -64,6 +64,9 @@ class ResourceProgramTransformer {
MethodReference method = insn.getMethod();
if (method.getClassName().equals(ResourceArray.class.getName()) ||
method.getClassName().equals(ResourceMap.class.getName())) {
if (method.getName().equals("keys")) {
return transformKeys(insn);
}
InvokeInstruction accessInsn = new InvokeInstruction();
accessInsn.setType(InvocationType.SPECIAL);
ValueType[] types = new ValueType[method.getDescriptor().parameterCount() + 2];
@ -96,6 +99,25 @@ class ResourceProgramTransformer {
return null;
}
private List<Instruction> transformKeys(InvokeInstruction insn) {
Variable tmp = program.createVariable();
InvokeInstruction keysInsn = new InvokeInstruction();
keysInsn.setType(InvocationType.SPECIAL);
keysInsn.setMethod(new MethodReference(ResourceAccessor.class, "keys", Object.class, Object.class));
keysInsn.getArguments().add(insn.getInstance());
keysInsn.setReceiver(tmp);
InvokeInstruction transformInsn = new InvokeInstruction();
transformInsn.setType(InvocationType.SPECIAL);
transformInsn.setMethod(new MethodReference(ResourceAccessor.class, "keysToStrings",
Object.class, String[].class));
transformInsn.getArguments().add(tmp);
transformInsn.setReceiver(insn.getReceiver());
return Arrays.<Instruction>asList(keysInsn, transformInsn);
}
private boolean isSubclass(ClassReader cls, String superClass) {
if (cls.getName().equals(superClass)) {
return true;

3
teavm-tests/src/test/java/org/teavm/classlib/java/nio/charset/UTF8Test.java
View File

@ -1,7 +1,6 @@
package org.teavm.classlib.java.nio.charset;
import static org.junit.Assert.*;
import java.io.UnsupportedEncodingException;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.charset.Charset;
@ -94,7 +93,7 @@ public class UTF8Test {
}
@Test
public void decodeLongUTF8ByteArray() throws UnsupportedEncodingException {
public void decodeLongUTF8ByteArray() {
byte[] bytes = new byte[16384];
for (int i = 0; i < bytes.length;) {
bytes[i++] = -16;

10
teavm-tests/src/test/java/org/teavm/classlib/java/util/TimeZoneTest.java
View File

@ -1,8 +1,9 @@
package org.teavm.classlib.java.util;
import static org.junit.Assert.*;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
import org.teavm.classlib.impl.tz.TimeZoneResourceProvider;
import org.teavm.classlib.impl.tz.DateTimeZone;
import org.teavm.classlib.impl.tz.DateTimeZoneProvider;
/**
*
@ -11,6 +12,9 @@ import org.teavm.classlib.impl.tz.TimeZoneResourceProvider;
public class TimeZoneTest {
@Test
public void resourceProvided() {
assertNotNull(TimeZoneResourceProvider.getTimeZone("Europe/Moscow"));
DateTimeZone tz = DateTimeZoneProvider.getTimeZone("Europe/Moscow");
assertEquals(1414274399999L, tz.previousTransition(1431781727159L));
assertEquals(1301183999999L, tz.previousTransition(1414274399999L));
assertEquals(1288479599999L, tz.previousTransition(1301183999999L));
}
}