C: support methods of Date class

classlib/src/main/java/org/teavm/classlib/java/lang/reflect/AnnotationDependencyListener.java

@@ -18,9 +18,7 @@ package org.teavm.classlib.java.lang.reflect;
 import java.lang.annotation.Annotation;
 import java.lang.annotation.Retention;
 import java.util.ArrayList;
-import java.util.HashSet;
 import java.util.List;
-import java.util.Set;
 import org.teavm.dependency.AbstractDependencyListener;
 import org.teavm.dependency.DependencyAgent;
 import org.teavm.dependency.DependencyNode;
@@ -44,7 +42,6 @@ import org.teavm.platform.PlatformAnnotationProvider;
 import org.teavm.platform.PlatformClass;
 
 public class AnnotationDependencyListener extends AbstractDependencyListener {
-    private Set<MethodReference> reachedMethods = new HashSet<>();
     private static final MethodReference GET_ANNOTATIONS_METHOD = new MethodReference(
             Platform.class, "getAnnotations", PlatformClass.class, Annotation[].class);
     private static final String ANNOTATIONS_READER_SUFFIX = "$$__annotations__$$";
@@ -120,10 +117,6 @@ public class AnnotationDependencyListener extends AbstractDependencyListener {
 
     @Override
     public void methodReached(DependencyAgent agent, MethodDependency method) {
-        if (!reachedMethods.add(method.getReference())) {
-            return;
-        }
-
         ValueType type = method.getMethod().getResultType();
         while (type instanceof ValueType.Array) {
             type = ((ValueType.Array) type).getItemType();

classlib/src/main/java/org/teavm/classlib/java/util/TDate.java

@@ -19,11 +19,23 @@ import java.util.TimeZone;
 import org.teavm.classlib.PlatformDetector;
 import org.teavm.classlib.java.lang.TComparable;
 import org.teavm.classlib.java.lang.TSystem;
+import org.teavm.interop.Import;
+import org.teavm.interop.NoSideEffects;
 import org.teavm.jso.core.JSDate;
 
 public class TDate implements TComparable<TDate> {
     private long value;
 
+    static {
+        if (PlatformDetector.isLowLevel()) {
+            initLowLevel();
+        }
+    }
+
+    @Import(name = "teavm_date_init")
+    @NoSideEffects
+    private static native void initLowLevel();
+
     public TDate() {
         value = TSystem.currentTimeMillis();
     }
@@ -44,9 +56,17 @@ public class TDate implements TComparable<TDate> {
 
     @Deprecated
     public TDate(int year, int month, int date, int hrs, int min, int sec) {
-        this((long) JSDate.create(year, month, date, hrs, min, sec).getTime());
+        this(PlatformDetector.isLowLevel()
+                ? initDateLowLevel(year, month, date, hrs, min, sec)
+                : (long) JSDate.create(year, month, date, hrs, min, sec).getTime());
+        if (!PlatformDetector.isLowLevel()) {
             setYear(year);
         }
+    }
+
+    @Import(name = "teavm_date_create")
+    @NoSideEffects
+    private static native long initDateLowLevel(int year, int month, int date, int hrs, int min, int sec);
 
     public TDate(String s) {
         this(parse(s));
@@ -59,11 +79,23 @@ public class TDate implements TComparable<TDate> {
 
     @Deprecated
     public static long UTC(int year, int month, int date, int hrs, int min, int sec) {
+        if (PlatformDetector.isLowLevel()) {
+            return initUtcDateLowLevel(year, month, date, hrs, min, sec);
+        } else {
             return (long) JSDate.UTC(year, month, date, hrs, min, sec);
         }
+    }
+
+    @Import(name = "teavm_date_createUtc")
+    @NoSideEffects
+    private static native long initUtcDateLowLevel(int year, int month, int date, int hrs, int min, int sec);
 
     @Deprecated
     public static long parse(String s) {
+        if (PlatformDetector.isLowLevel()) {
+            return parseLowLevel(s);
+        }
+
         double value = JSDate.parse(s);
         if (Double.isNaN(value)) {
             throw new IllegalArgumentException("Can't parse date: " + s);
@@ -71,83 +103,183 @@ public class TDate implements TComparable<TDate> {
         return (long) value;
     }
 
+    @Import(name = "teavm_date_parse")
+    @NoSideEffects
+    private static native long parseLowLevel(String s);
+
     @Deprecated
     public int getYear() {
+        if (PlatformDetector.isLowLevel()) {
+            return getYearLowLevel(value);
+        }
         return JSDate.create(value).getFullYear() - 1900;
     }
 
+    @Import(name = "teavm_date_getYear")
+    @NoSideEffects
+    private static native int getYearLowLevel(long date);
+
     @Deprecated
     public void setYear(int year) {
+        if (PlatformDetector.isLowLevel()) {
+            value = setYearLowLevel(value, year);
+            return;
+        }
         JSDate date = JSDate.create(value);
         date.setFullYear(year + 1900);
-        this.value = (long) date.getTime();
+        value = (long) date.getTime();
     }
 
+    @Import(name = "teavm_date_setYear")
+    @NoSideEffects
+    private static native long setYearLowLevel(long date, int year);
+
     @Deprecated
     public int getMonth() {
+        if (PlatformDetector.isLowLevel()) {
+            return getMonthLowLevel(value);
+        }
         return JSDate.create(value).getMonth();
     }
 
+    @Import(name = "teavm_date_getMonth")
+    @NoSideEffects
+    private static native int getMonthLowLevel(long date);
+
     @Deprecated
     public void setMonth(int month) {
+        if (PlatformDetector.isLowLevel()) {
+            value = setMonthLowLevel(value, month);
+            return;
+        }
         JSDate date = JSDate.create(value);
         date.setMonth(month);
-        this.value = (long) date.getTime();
+        value = (long) date.getTime();
     }
 
+    @Import(name = "teavm_date_setMonth")
+    @NoSideEffects
+    private static native long setMonthLowLevel(long date, int month);
+
     @Deprecated
     public int getDate() {
+        if (PlatformDetector.isLowLevel()) {
+            return getDateLowLevel(value);
+        }
         return JSDate.create(value).getDate();
     }
 
+    @Import(name = "teavm_date_getDate")
+    @NoSideEffects
+    private static native int getDateLowLevel(long date);
+
     @Deprecated
     public void setDate(int date) {
+        if (PlatformDetector.isLowLevel()) {
+            value = setDateLowLevel(value, date);
+            return;
+        }
         JSDate d = JSDate.create(value);
         d.setDate(date);
         this.value = (long) d.getTime();
     }
 
+    @Import(name = "teavm_date_setDate")
+    @NoSideEffects
+    private static native int setDateLowLevel(long target, int date);
+
     @Deprecated
     public int getDay() {
+        if (PlatformDetector.isLowLevel()) {
+            return getDayLowLevel(value);
+        }
         return JSDate.create(value).getDay();
     }
 
+    @Import(name = "teavm_date_getDay")
+    public static native int getDayLowLevel(long date);
+
     @Deprecated
     public int getHours() {
+        if (PlatformDetector.isLowLevel()) {
+            return getHoursLowLevel(value);
+        }
         return JSDate.create(value).getHours();
     }
 
+    @Import(name = "teavm_date_getHours")
+    @NoSideEffects
+    private static native int getHoursLowLevel(long date);
+
     @Deprecated
     public void setHours(int hours) {
+        if (PlatformDetector.isLowLevel()) {
+            value = setHoursLowLevel(value, hours);
+            return;
+        }
         JSDate date = JSDate.create(value);
         date.setHours(hours);
-        this.value = (long) date.getTime();
+        value = (long) date.getTime();
     }
 
+    @Import(name = "teavm_date_setHours")
+    @NoSideEffects
+    private static native int setHoursLowLevel(long date, int hours);
+
     @Deprecated
     public int getMinutes() {
+        if (PlatformDetector.isLowLevel()) {
+            return getMinutesLowLevel(value);
+        }
         return JSDate.create(value).getMinutes();
     }
 
+    @Import(name = "teavm_date_getMinutes")
+    @NoSideEffects
+    private static native int getMinutesLowLevel(long date);
+
     @Deprecated
     public void setMinutes(int minutes) {
+        if (PlatformDetector.isLowLevel()) {
+            value = setMinutesLowLevel(value, minutes);
+            return;
+        }
         JSDate date = JSDate.create(value);
         date.setMinutes(minutes);
         this.value = (long) date.getTime();
     }
 
+    @Import(name = "teavm_date_setMinutes")
+    @NoSideEffects
+    private static native int setMinutesLowLevel(long date, int minutes);
+
     @Deprecated
     public int getSeconds() {
+        if (PlatformDetector.isLowLevel()) {
+            return getSecondsLowLevel(value);
+        }
         return JSDate.create(value).getSeconds();
     }
 
+    @Import(name = "teavm_date_getSeconds")
+    @NoSideEffects
+    private static native int getSecondsLowLevel(long date);
+
     @Deprecated
     public void setSeconds(int seconds) {
+        if (PlatformDetector.isLowLevel()) {
+            value = setSecondsLowLevel(value, seconds);
+            return;
+        }
         JSDate date = JSDate.create(value);
         date.setSeconds(seconds);
         this.value = (long) date.getTime();
     }
 
+    @Import(name = "teavm_date_setSeconds")
+    @NoSideEffects
+    private static native int setSecondsLowLevel(long date, int seconds);
+
     public long getTime() {
         return value;
     }
@@ -186,12 +318,16 @@ public class TDate implements TComparable<TDate> {
     @Override
     public String toString() {
         if (PlatformDetector.isLowLevel()) {
-            return "";
+            return toStringLowLevel(value);
         } else {
             return JSDate.create(value).stringValue();
         }
     }
 
+    @Import(name = "teavm_date_format")
+    @NoSideEffects
+    private static native String toStringLowLevel(long date);
+
     @Deprecated
     public String toLocaleString() {
         return JSDate.create(value).toLocaleFormat("%c");

core/src/main/java/org/teavm/backend/c/CTarget.java

@@ -347,8 +347,7 @@ public class CTarget implements TeaVMTarget, TeaVMCHost {
         }
         emitResource(runtimeHeaderWriter, "runtime.h");
 
-        ClassGenerator classGenerator = new ClassGenerator(context, controller.getUnprocessedClassSource(),
-                tagRegistry, decompiler);
+        ClassGenerator classGenerator = new ClassGenerator(context, tagRegistry, decompiler);
         IntrinsicFactoryContextImpl intrinsicFactoryContext = new IntrinsicFactoryContextImpl(
                 controller.getUnprocessedClassSource(), controller.getClassLoader(), controller.getServices(),
                 controller.getProperties());
@@ -365,6 +364,7 @@ public class CTarget implements TeaVMTarget, TeaVMCHost {
         OutputFileUtil.write(runtimeHeaderWriter, "runtime.h", buildTarget);
         copyResource("stringhash.c", buildTarget);
         copyResource("references.c", buildTarget);
+        copyResource("date.c", buildTarget);
         generateCallSites(buildTarget, context, classes.getClassNames());
         generateStrings(buildTarget, context);
 
@@ -637,6 +637,8 @@ public class CTarget implements TeaVMTarget, TeaVMCHost {
         includes.includePath("stringhash.c");
         includes.includePath("strings.c");
         includes.includePath("callsites.c");
+        includes.includePath("references.c");
+        includes.includePath("date.c");
 
         for (String className : classes.getClassNames()) {
             includes.includePath(ClassGenerator.fileName(className) + ".c");

core/src/main/java/org/teavm/backend/c/generate/ClassGenerator.java

@@ -38,7 +38,6 @@ import org.teavm.model.AnnotationHolder;
 import org.teavm.model.BasicBlock;
 import org.teavm.model.ClassHolder;
 import org.teavm.model.ClassReader;
-import org.teavm.model.ClassReaderSource;
 import org.teavm.model.ElementModifier;
 import org.teavm.model.FieldHolder;
 import org.teavm.model.FieldReader;
@@ -78,7 +77,6 @@ public class ClassGenerator {
     ));
 
     private GenerationContext context;
-    private ClassReaderSource unprocessedClassSource;
     private Decompiler decompiler;
     private TagRegistry tagRegistry;
     private CodeGenerator codeGenerator;
@@ -91,10 +89,8 @@ public class ClassGenerator {
     private IncludeManager includes;
     private IncludeManager headerIncludes;
 
-    public ClassGenerator(GenerationContext context, ClassReaderSource unprocessedClassSource,
-            TagRegistry tagRegistry, Decompiler decompiler) {
+    public ClassGenerator(GenerationContext context, TagRegistry tagRegistry, Decompiler decompiler) {
         this.context = context;
-        this.unprocessedClassSource = unprocessedClassSource;
         this.tagRegistry = tagRegistry;
         this.decompiler = decompiler;
     }
@@ -436,7 +432,7 @@ public class ClassGenerator {
         String className = null;
         if (type instanceof ValueType.Object) {
             className = ((ValueType.Object) type).getClassName();
-            generateVirtualTableStructure(unprocessedClassSource.get(className));
+            generateVirtualTableStructure(className);
         } else if (type instanceof ValueType.Array) {
             className = "java.lang.Object";
         }
@@ -633,20 +629,17 @@ public class ClassGenerator {
         codeWriter.println(".init = " + initFunction);
     }
 
-    private void generateVirtualTableStructure(ClassReader cls) {
-        if (cls == null) {
-            return;
-        }
-        String name = context.getNames().forClassClass(cls.getName());
+    private void generateVirtualTableStructure(String className) {
+        String name = context.getNames().forClassClass(className);
 
         headerWriter.print("typedef struct ").print(name).println(" {").indent();
         headerWriter.println("TeaVM_Class parent;");
 
-        VirtualTable virtualTable = context.getVirtualTableProvider().lookup(cls.getName());
+        VirtualTable virtualTable = context.getVirtualTableProvider().lookup(className);
         if (virtualTable != null) {
             for (VirtualTableEntry entry : virtualTable.getEntries().values()) {
                 String methodName = context.getNames().forVirtualMethod(
-                        new MethodReference(cls.getName(), entry.getMethod()));
+                        new MethodReference(className, entry.getMethod()));
                 headerWriter.printType(entry.getMethod().getResultType())
                         .print(" (*").print(methodName).print(")(");
                 codeGenerator.generateMethodParameters(headerWriter, entry.getMethod(), false, false);

core/src/main/resources/org/teavm/backend/c/date.c

@@ -0,0 +1,152 @@
+#include "runtime.h"
+
+#define _XOPEN_SOURCE
+#define __USE_XOPEN
+#define _GNU_SOURCE
+
+#include <time.h>
+
+static time_t teavm_epochStart;
+static struct tm teavm_epochStartTm;
+static char teavm_date_formatBuffer[512];
+static char* teavm_date_defaultFormat = "%a %b %d %H:%M:%S %Z %Y";
+
+void teavm_date_init() {
+    struct tm epochStart = {
+        .tm_year = 70,
+        .tm_mon = 0,
+        .tm_mday = 1,
+        .tm_hour = 0,
+        .tm_min = 0,
+        .tm_sec = 0,
+        .tm_isdst = -1
+    };
+    teavm_epochStart = timegm(&epochStart);
+    localtime_r(&teavm_epochStart, &teavm_epochStartTm);
+}
+
+inline static int64_t teavm_date_timestamp(struct tm *t) {
+    time_t result = mktime(t);
+    return (int64_t) (1000 * difftime(result, teavm_epochStart));
+}
+
+inline static struct tm* teavm_date_decompose(int64_t timestamp, struct tm *t) {
+    *t = teavm_epochStartTm;
+    t->tm_sec += timestamp / 1000;
+    mktime(t);
+    return t;
+}
+
+int64_t teavm_date_create(int32_t year, int32_t month, int32_t day, int32_t hour, int32_t minute, int32_t second) {
+    struct tm t = {
+        .tm_year = year,
+        .tm_mon = month,
+        .tm_mday = day,
+        .tm_hour = hour,
+        .tm_min = minute,
+        .tm_sec = second,
+        .tm_isdst = -1
+    };
+    return teavm_date_timestamp(&t);
+}
+
+int64_t teavm_date_createUtc(int32_t year, int32_t month, int32_t day, int32_t hour, int32_t minute, int32_t second) {
+    struct tm t = {
+        .tm_year = year,
+        .tm_mon = month,
+        .tm_mday = day,
+        .tm_hour = hour,
+        .tm_min = minute,
+        .tm_sec = second,
+        .tm_isdst = -1
+    };
+    time_t result = timegm(&t);
+    return (int64_t) (1000 * difftime(result, teavm_epochStart));
+}
+
+int64_t teavm_date_parse(char* s) {
+    struct tm t;
+    strptime(s, teavm_date_defaultFormat, &t);
+    time_t result = mktime(&t);
+    return (int64_t) (1000 * difftime(result, teavm_epochStart));
+}
+
+int32_t teavm_date_getYear(int64_t time) {
+    struct tm t;
+    return (int32_t) teavm_date_decompose(time, &t)->tm_year;
+}
+
+int64_t teavm_date_setYear(int64_t time, int32_t year) {
+    struct tm t;
+    teavm_date_decompose(time, &t)->tm_year = year;
+    return teavm_date_timestamp(&t);
+}
+
+int32_t teavm_date_getMonth(int64_t time) {
+    struct tm t;
+    return (int32_t) teavm_date_decompose(time, &t)->tm_mon;
+}
+
+int64_t teavm_date_setMonth(int64_t time, int32_t month) {
+    struct tm t;
+    teavm_date_decompose(time, &t)->tm_mon = month;
+    return teavm_date_timestamp(&t);
+}
+
+int32_t teavm_date_getDate(int64_t time) {
+    struct tm t;
+    return (int32_t) teavm_date_decompose(time, &t)->tm_mday;
+}
+
+int64_t teavm_date_setDate(int64_t time, int32_t date) {
+    struct tm t;
+    teavm_date_decompose(time, &t)->tm_mday = date;
+    return teavm_date_timestamp(&t);
+}
+
+int32_t teavm_date_getDay(int64_t time) {
+    struct tm t;
+    return (int32_t) teavm_date_decompose(time, &t)->tm_wday;
+}
+
+int32_t teavm_date_getHours(int64_t time) {
+    struct tm t;
+    return (int32_t) teavm_date_decompose(time, &t)->tm_hour;
+}
+
+int64_t teavm_date_setHours(int64_t time, int32_t hours) {
+    struct tm t;
+    teavm_date_decompose(time, &t)->tm_hour = hours;
+    return teavm_date_timestamp(&t);
+}
+
+int32_t teavm_date_getMinutes(int64_t time) {
+    struct tm t;
+    return (int32_t) teavm_date_decompose(time, &t)->tm_min;
+}
+
+int64_t teavm_date_setMinutes(int64_t time, int32_t minutes) {
+    struct tm t;
+    teavm_date_decompose(time, &t)->tm_min = minutes;
+    return teavm_date_timestamp(&t);
+}
+
+int32_t teavm_date_getSeconds(int64_t time) {
+    struct tm t;
+    return (int32_t) teavm_date_decompose(time, &t)->tm_sec;
+}
+
+int64_t teavm_date_setSeconds(int64_t time, int32_t seconds) {
+    struct tm t;
+    teavm_date_decompose(time, &t)->tm_sec = seconds;
+    return teavm_date_timestamp(&t);
+}
+
+char* teavm_date_format(int64_t time) {
+    struct tm t;
+    t = teavm_epochStartTm;
+    t.tm_sec += time / 1000;
+    mktime(&t);
+    strftime(teavm_date_formatBuffer, 512, teavm_date_defaultFormat, &t);
+    return teavm_date_formatBuffer;
+}

core/src/main/resources/org/teavm/backend/c/runtime.h

@@ -276,3 +276,22 @@ extern TeaVM_Object* teavm_reference_get(TeaVM_Reference*);
 extern TeaVM_Reference* teavm_reference_poll(TeaVM_ReferenceQueue*);
 
 extern void teavm_reference_init(TeaVM_Reference*, TeaVM_Object*, TeaVM_ReferenceQueue*);
+
+extern void teavm_date_init();
+extern int64_t teavm_date_create(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
+extern int64_t teavm_date_createUtc(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
+extern int64_t teavm_date_parse(char* s);
+extern int32_t teavm_date_getYear(int64_t);
+extern int64_t teavm_date_setYear(int64_t,int32_t);
+extern int32_t teavm_date_getMonth(int64_t);
+extern int64_t teavm_date_setMonth(int64_t,int32_t);
+extern int32_t teavm_date_getDate(int64_t);
+extern int64_t teavm_date_setDate(int64_t,int32_t);
+extern int32_t teavm_date_getDay(int64_t);
+extern int32_t teavm_date_getHours(int64_t);
+extern int64_t teavm_date_setHours(int64_t,int32_t);
+extern int32_t teavm_date_getMinutes(int64_t);
+extern int64_t teavm_date_setMinutes(int64_t,int32_t);
+extern int32_t teavm_date_getSeconds(int64_t);
+extern int64_t teavm_date_setSeconds(int64_t,int32_t);
+extern char* teavm_date_format(int64_t);