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C: support passing strings as char16_t*, fix bugs under msvc

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This commit is contained in:
Alexey Andreev 2019-06-17 15:16:44 +03:00
parent d01ba897c0
commit 9642eeec0a
10 changed files with 116 additions and 8 deletions
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6
classlib/src/main/java/org/teavm/classlib/java/lang/MathNativeGenerator.java
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@ -24,7 +24,11 @@ import org.teavm.model.MethodReference;
public class MathNativeGenerator implements Generator {
@Override
public void generate(GeneratorContext context, SourceWriter writer, MethodReference methodRef) throws IOException {
function(context, writer, "Math." + methodRef.getName(), methodRef.parameterCount());
String name = methodRef.getName();
if (name.equals("randomImpl")) {
name = "random";
}
function(context, writer, "Math." + name, methodRef.parameterCount());
}
private void function(GeneratorContext context, SourceWriter writer, String name, int paramCount)

12
classlib/src/main/java/org/teavm/classlib/java/lang/TMath.java
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@ -16,6 +16,7 @@
package org.teavm.classlib.java.lang;
import org.teavm.backend.javascript.spi.GeneratedBy;
import org.teavm.classlib.PlatformDetector;
import org.teavm.interop.Import;
import org.teavm.interop.NoSideEffects;
import org.teavm.interop.Unmanaged;
@ -126,10 +127,17 @@ public final class TMath extends TObject {
return (long) (a + signum(a) * 0.5);
}
@Unmanaged
public static double random() {
return PlatformDetector.isC() ? randomC() : randomImpl();
}
@Import(name = "teavm_rand")
private static native double randomC();
@GeneratedBy(MathNativeGenerator.class)
@Import(module = "teavmMath", name = "random")
@Unmanaged
public static native double random();
private static native double randomImpl();
public static int min(int a, int b) {
return a < b ? a : b;

2
core/src/main/java/org/teavm/backend/c/generate/ClassGenerator.java
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@ -244,7 +244,7 @@ public class ClassGenerator {
}
private void generateStringPool(ValueType type) {
if (!context.isIncremental()) {
if (!context.isIncremental() || context.getStringPool().getStrings().isEmpty()) {
return;
}

14
core/src/main/java/org/teavm/backend/c/generate/CodeGenerationVisitor.java
View File

@ -70,7 +70,9 @@ import org.teavm.backend.c.intrinsic.IntrinsicContext;
import org.teavm.backend.c.util.InteropUtil;
import org.teavm.diagnostics.Diagnostics;
import org.teavm.interop.Address;
import org.teavm.interop.c.Char16;
import org.teavm.interop.c.Variable;
import org.teavm.model.AnnotationContainerReader;
import org.teavm.model.CallLocation;
import org.teavm.model.ClassReader;
import org.teavm.model.ClassReaderSource;
@ -558,8 +560,11 @@ public class CodeGenerationVisitor implements ExprVisitor, StatementVisitor {
temporaries.add(allocTemporaryVariable(parameterTypeForCall(method, i)));
}
boolean stringResult = method.getResultType().isObject(String.class);
boolean string16Result = method.getAnnotations().get(Char16.class.getName()) != null;
writer.print("(");
AnnotationContainerReader[] parameterAnnotations = method.getParameterAnnotations();
for (int i = 0; i < arguments.size(); ++i) {
String tmp = temporaries.get(i);
writer.print(tmp + " = ");
@ -567,7 +572,11 @@ public class CodeGenerationVisitor implements ExprVisitor, StatementVisitor {
? method.parameterType(i)
: i == 0 ? ValueType.object(method.getOwnerName()) : method.parameterType(i - 1);
if (type.isObject(String.class)) {
writer.print("teavm_stringToC(");
int annotIndex = method.hasModifier(ElementModifier.STATIC) ? i : i - 1;
boolean is16Char = annotIndex >= 0
&& parameterAnnotations[annotIndex].get(Char16.class.getName()) != null;
String functionName = is16Char ? "teavm_stringToC16" : "teavm_stringToC";
writer.print(functionName).print("(");
arguments.get(i).acceptVisitor(this);
writer.print(")");
stringTemporaries.add(tmp);
@ -616,7 +625,8 @@ public class CodeGenerationVisitor implements ExprVisitor, StatementVisitor {
if (resultTmp != null) {
writer.print(", ");
if (stringResult) {
writer.print("teavm_cToString(");
String functionName = string16Result ? "teavm_c16ToString" : "teavm_cToString";
writer.print(functionName).print("(");
}
writer.print(resultTmp);
if (stringResult) {

8
core/src/main/java/org/teavm/backend/c/generate/CodeGeneratorUtil.java
View File

@ -70,8 +70,10 @@ public final class CodeGeneratorUtil {
writer.print("INFINITY");
} else if (Float.isNaN(f)) {
writer.print("NAN");
} else {
} else if ((int) f == f) {
writer.print(f + "f");
} else {
writer.print(Float.toHexString(f) + "f");
}
} else if (value instanceof Double) {
double d = (Double) value;
@ -82,8 +84,10 @@ public final class CodeGeneratorUtil {
writer.print("INFINITY");
} else if (Double.isNaN(d)) {
writer.print("NAN");
} else {
} else if ((int) d == d) {
writer.print(value.toString());
} else {
writer.print(Double.toHexString(d));
}
} else if (value instanceof Boolean) {
writer.print((Boolean) value ? "1" : "0");

12
core/src/main/java/org/teavm/backend/c/intrinsic/StringsIntrinsic.java
View File

@ -41,6 +41,18 @@ public class StringsIntrinsic implements Intrinsic {
context.emit(invocation.getArguments().get(0));
context.writer().print(")");
break;
case "toC16": {
Expr arg = invocation.getArguments().get(0);
context.writer().print("teavm_stringToC16(");
context.emit(arg);
context.writer().print(")");
break;
}
case "fromC16":
context.writer().print("teavm_c16ToString(");
context.emit(invocation.getArguments().get(0));
context.writer().print(")");
break;
}
}
}

38
core/src/main/resources/org/teavm/backend/c/runtime.c
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@ -192,6 +192,14 @@ int64_t teavm_currentTimeMillis() {
uint64_t current = fileTime.dwLowDateTime | ((uint64_t) fileTime.dwHighDateTime << 32);
return (int64_t) ((current - teavm_unixTimeOffset) / 10000);
}
int64_t teavm_currentTimeNano() {
SYSTEMTIME time;
FILETIME fileTime;
GetSystemTime(&time);
SystemTimeToFileTime(&time, &fileTime);
uint64_t current = fileTime.dwLowDateTime | ((uint64_t) fileTime.dwHighDateTime << 32);
return (int64_t) ((current - teavm_unixTimeOffset) / 10);
}
#endif
int32_t teavm_timeZoneOffset() {
@ -353,6 +361,21 @@ char* teavm_stringToC(void* obj) {
return result;
}
char16_t* teavm_stringToC16(void* obj) {
if (obj == NULL) {
return NULL;
}
TeaVM_String* javaString = (TeaVM_String*) obj;
TeaVM_Array* charArray = javaString->characters;
char16_t* javaChars = TEAVM_ARRAY_DATA(charArray, char16_t);
size_t sz = charArray->size;
char16_t* result = malloc((sz + 1) * sizeof(char16_t));
memcpy(result, javaChars, sz * sizeof(char16_t));
result[sz] = 0;
return result;
}
TeaVM_String* teavm_cToString(char* cstring) {
if (cstring == NULL) {
return NULL;
@ -375,6 +398,21 @@ TeaVM_String* teavm_cToString(char* cstring) {
return teavm_createString(charArray);
}
TeaVM_String* teavm_c16ToString(char16_t* cstring) {
if (cstring == NULL) {
return NULL;
}
int32_t size = 0;
while (cstring[size] == 0) {
++size;
}
TeaVM_Array* charArray = teavm_allocateCharArray(size);
char16_t* javaChars = TEAVM_ARRAY_DATA(charArray, char16_t);
memcpy(javaChars, cstring, size * sizeof(char16_t));
return teavm_createString(charArray);
}
char16_t* teavm_mbToChar16(char* cstring, int32_t* length) {
size_t clen = strlen(cstring);
int32_t size = teavm_c16Size(cstring, clen);

2
core/src/main/resources/org/teavm/backend/c/runtime.h
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@ -207,6 +207,8 @@ extern int32_t teavm_timeZoneOffset();
extern char* teavm_stringToC(void*);
extern TeaVM_String* teavm_cToString(char*);
extern char16_t* teavm_stringToC16(void*);
extern TeaVM_String* teavm_c16ToString(char16_t*);
extern char16_t* teavm_mbToChar16(char*, int32_t*);
extern char* teavm_char16ToMb(char16_t*, int32_t);
static inline void teavm_free(void* s) {

4
interop/core/src/main/java/org/teavm/interop/Strings.java
View File

@ -22,4 +22,8 @@ public final class Strings {
public static native Address toC(String javaString);
public static native String fromC(Address cString);
public static native Address toC16(String javaString);
public static native String fromC16(Address cString);
}

26
interop/core/src/main/java/org/teavm/interop/c/Char16.java Normal file
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@ -0,0 +1,26 @@
/*
* Copyright 2019 konsoletyper.
*
* 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.interop.c;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.PARAMETER, ElementType.METHOD})
public @interface Char16 {
}