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-rw-r--r--src/java/com/sun/gluegen/JavaConfiguration.java111
-rw-r--r--src/java/com/sun/gluegen/JavaMethodBindingEmitter.java2
-rw-r--r--src/java/com/sun/gluegen/MethodBinding.java5
3 files changed, 100 insertions, 18 deletions
diff --git a/src/java/com/sun/gluegen/JavaConfiguration.java b/src/java/com/sun/gluegen/JavaConfiguration.java
index 39c1bf3..7488a30 100644
--- a/src/java/com/sun/gluegen/JavaConfiguration.java
+++ b/src/java/com/sun/gluegen/JavaConfiguration.java
@@ -40,6 +40,7 @@
package com.sun.gluegen;
import java.io.*;
+import java.lang.reflect.Array;
import java.util.*;
import java.util.regex.*;
@@ -252,6 +253,7 @@ public class JavaConfiguration {
/** Returns the list of imports that should be emitted at the top of each .java file. */
public List/*<String>*/ imports() { return imports; }
+ private static final boolean DEBUG_TYPE_INFO = false;
/** If this type should be considered opaque, returns the TypeInfo
describing the replacement type. Returns null if this type
should not be considered opaque. */
@@ -259,16 +261,24 @@ public class JavaConfiguration {
// Because typedefs of pointer types can show up at any point,
// walk the pointer chain looking for a typedef name that is in
// the TypeInfo map.
+ if (DEBUG_TYPE_INFO)
+ System.err.println("Incoming type = " + type);
int pointerDepth = type.pointerDepth();
for (int i = 0; i <= pointerDepth; i++) {
String name = type.getName();
+ if (DEBUG_TYPE_INFO) {
+ System.err.println(" Type = " + type);
+ System.err.println(" Name = " + name);
+ }
if (name != null) {
- TypeInfo info = (TypeInfo) typeInfoMap.get(name);
- while (info != null) {
- if (info.name().equals(name) && info.pointerDepth() == i) {
- return info;
+ TypeInfo info = closestTypeInfo(name, i + type.pointerDepth());
+ if (info != null) {
+ if (DEBUG_TYPE_INFO) {
+ System.err.println(" info.name=" + info.name() + ", name=" + name +
+ ", info.pointerDepth=" + info.pointerDepth() +
+ ", type.pointerDepth=" + type.pointerDepth());
}
- info = info.next();
+ return promoteTypeInfo(info, i);
}
}
@@ -276,12 +286,14 @@ public class JavaConfiguration {
// Try struct name as well
name = type.asCompound().getStructName();
if (name != null) {
- TypeInfo info = (TypeInfo) typeInfoMap.get(name);
- while (info != null) {
- if (info.name().equals(name) && info.pointerDepth() == i) {
- return info;
+ TypeInfo info = closestTypeInfo(name, i + type.pointerDepth());
+ if (info != null) {
+ if (DEBUG_TYPE_INFO) {
+ System.err.println(" info.name=" + info.name() + ", name=" + name +
+ ", info.pointerDepth=" + info.pointerDepth() +
+ ", type.pointerDepth=" + type.pointerDepth());
}
- info = info.next();
+ return promoteTypeInfo(info, i);
}
}
}
@@ -293,12 +305,17 @@ public class JavaConfiguration {
// "eq" equality is OK to use here since all types have been canonicalized
if (entry.getValue() == type) {
name = (String) entry.getKey();
- TypeInfo info = (TypeInfo) typeInfoMap.get(name);
- while (info != null) {
- if (info.name().equals(name) && info.pointerDepth() == i) {
- return info;
+ if (DEBUG_TYPE_INFO) {
+ System.err.println("Looking under typedef name " + name);
+ }
+ TypeInfo info = closestTypeInfo(name, i + type.pointerDepth());
+ if (info != null) {
+ if (DEBUG_TYPE_INFO) {
+ System.err.println(" info.name=" + info.name() + ", name=" + name +
+ ", info.pointerDepth=" + info.pointerDepth() +
+ ", type.pointerDepth=" + type.pointerDepth());
}
- info = info.next();
+ return promoteTypeInfo(info, i);
}
}
}
@@ -311,6 +328,68 @@ public class JavaConfiguration {
return null;
}
+ // Helper functions for above
+ private TypeInfo closestTypeInfo(String name, int pointerDepth) {
+ TypeInfo info = (TypeInfo) typeInfoMap.get(name);
+ TypeInfo closest = null;
+ while (info != null) {
+ if (DEBUG_TYPE_INFO)
+ System.err.println(" Checking TypeInfo for " + name + " at pointerDepth " + pointerDepth);
+ if (info.pointerDepth() <= pointerDepth &&
+ (closest == null ||
+ info.pointerDepth() > closest.pointerDepth())) {
+ if (DEBUG_TYPE_INFO)
+ System.err.println(" Accepted");
+ closest = info;
+ }
+ info = info.next();
+ }
+ return closest;
+ }
+
+ // Promotes a TypeInfo to a higher pointer type (if necessary)
+ private TypeInfo promoteTypeInfo(TypeInfo info, int numPointersStripped) {
+ int diff = numPointersStripped - info.pointerDepth();
+ if (diff == 0) {
+ return info;
+ }
+
+ if (diff < 0) {
+ throw new RuntimeException("TypeInfo for " + info.name() + " and pointerDepth " +
+ info.pointerDepth() + " should not have matched for depth " +
+ numPointersStripped);
+ }
+
+ Class c = info.javaType().getJavaClass();
+ int pd = info.pointerDepth();
+
+ // Handle single-pointer stripping for types compatible with C
+ // integral and floating-point types specially so we end up
+ // generating NIO variants for these
+ if (diff == 1) {
+ JavaType jt = null;
+ if (c == Boolean.TYPE) jt = JavaType.createForCCharPointer();
+ else if (c == Byte.TYPE) jt = JavaType.createForCCharPointer();
+ else if (c == Short.TYPE) jt = JavaType.createForCShortPointer();
+ else if (c == Integer.TYPE) jt = JavaType.createForCInt32Pointer();
+ else if (c == Long.TYPE) jt = JavaType.createForCInt64Pointer();
+ else if (c == Float.TYPE) jt = JavaType.createForCFloatPointer();
+ else if (c == Double.TYPE) jt = JavaType.createForCDoublePointer();
+
+ if (jt != null)
+ return new TypeInfo(info.name(), pd + numPointersStripped, jt);
+ }
+
+ while (diff > 0) {
+ c = Array.newInstance(c, 0).getClass();
+ --diff;
+ }
+
+ return new TypeInfo(info.name(),
+ numPointersStripped,
+ JavaType.createForClass(c));
+ }
+
/** Indicates whether the given function (which returns a
<code>char*</code> in C) should be translated as returning a
<code>java.lang.String</code>. */
@@ -748,7 +827,7 @@ public class JavaConfiguration {
protected Class stringToPrimitiveType(String type) throws ClassNotFoundException {
if (type.equals("boolean")) return Boolean.TYPE;
- if (type.equals("byte")) return Integer.TYPE;
+ if (type.equals("byte")) return Byte.TYPE;
if (type.equals("char")) return Character.TYPE;
if (type.equals("short")) return Short.TYPE;
if (type.equals("int")) return Integer.TYPE;
diff --git a/src/java/com/sun/gluegen/JavaMethodBindingEmitter.java b/src/java/com/sun/gluegen/JavaMethodBindingEmitter.java
index b08d0e4..87b9521 100644
--- a/src/java/com/sun/gluegen/JavaMethodBindingEmitter.java
+++ b/src/java/com/sun/gluegen/JavaMethodBindingEmitter.java
@@ -602,7 +602,7 @@ public class JavaMethodBindingEmitter extends FunctionEmitter
} else {
throw new RuntimeException("Unsupported type for calculating array offset argument for " +
getArgumentName(i) +
- "-- error occurred while processing Java glue code for " + getName());
+ " -- error occurred while processing Java glue code for " + getName());
}
writer.print(offsetArgName(i));
}
diff --git a/src/java/com/sun/gluegen/MethodBinding.java b/src/java/com/sun/gluegen/MethodBinding.java
index b8ebb09..f8a4d2c 100644
--- a/src/java/com/sun/gluegen/MethodBinding.java
+++ b/src/java/com/sun/gluegen/MethodBinding.java
@@ -354,7 +354,10 @@ public class MethodBinding {
}
if (cArgType.isPointer()) {
- if (cArgType.asPointer().getTargetType().isPrimitive()) {
+ // Handle both real C primitive pointers and any constructions
+ // due to opaque directives
+ if (cArgType.asPointer().getTargetType().isPrimitive() ||
+ javaArgType.isCPrimitivePointerType()) {
signatureUsesCPrimitivePointers = true;
} else if (cArgType.asPointer().getTargetType().isVoid()) {
signatureUsesCVoidPointers = true;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-11 12:56:18 +0000