diff options
Diffstat (limited to 'src/java/com/sun/gluegen/procaddress/ProcAddressEmitter.java')
-rwxr-xr-x | src/java/com/sun/gluegen/procaddress/ProcAddressEmitter.java | 76 |
1 files changed, 18 insertions, 58 deletions
diff --git a/src/java/com/sun/gluegen/procaddress/ProcAddressEmitter.java b/src/java/com/sun/gluegen/procaddress/ProcAddressEmitter.java index aa71495..9094f14 100755 --- a/src/java/com/sun/gluegen/procaddress/ProcAddressEmitter.java +++ b/src/java/com/sun/gluegen/procaddress/ProcAddressEmitter.java @@ -209,12 +209,16 @@ public class ProcAddressEmitter extends JavaEmitter { } protected void generateModifiedEmitters(CMethodBindingEmitter baseCEmitter, List<FunctionEmitter> emitters) { + + FunctionSymbol cSymbol = baseCEmitter.getBinding().getCSymbol(); + // See whether we need a proc address entry for this one - boolean callThroughProcAddress = needsProcAddressWrapper(baseCEmitter.getBinding().getCSymbol()); - boolean forceProcAddress = getProcAddressConfig().forceProcAddressGen(baseCEmitter.getBinding().getCSymbol().getName()); + boolean callThroughProcAddress = needsProcAddressWrapper(cSymbol); + boolean forceProcAddress = getProcAddressConfig().forceProcAddressGen(cSymbol.getName()); + String forcedCallingConvention = null; if (forceProcAddress) { - forcedCallingConvention = getProcAddressConfig().getLocalProcAddressCallingConvention(baseCEmitter.getBinding().getCSymbol().getName()); + forcedCallingConvention = getProcAddressConfig().getLocalProcAddressCallingConvention(cSymbol.getName()); } // Note that we don't care much about the naming of the C argument // variables so to keep things simple we ignore the buffer object @@ -223,11 +227,9 @@ public class ProcAddressEmitter extends JavaEmitter { // The C-side JNI binding for this particular function will have an // extra final argument, which is the address (the OpenGL procedure // address) of the function it needs to call - ProcAddressCMethodBindingEmitter res = new ProcAddressCMethodBindingEmitter(baseCEmitter, - callThroughProcAddress, - forceProcAddress, - forcedCallingConvention, - this); + ProcAddressCMethodBindingEmitter res = new ProcAddressCMethodBindingEmitter( + baseCEmitter, callThroughProcAddress, forceProcAddress, forcedCallingConvention, this); + MessageFormat exp = baseCEmitter.getReturnValueCapacityExpression(); if (exp != null) { res.setReturnValueCapacityExpression(exp); @@ -289,9 +291,7 @@ public class ProcAddressEmitter extends JavaEmitter { if (implPackageName == null) { implPackageName = getImplPackageName(); } - String jImplRoot = - getJavaOutputDir() + File.separator - + CodeGenUtils.packageAsPath(implPackageName); + String jImplRoot = getJavaOutputDir() + File.separator + CodeGenUtils.packageAsPath(implPackageName); tableWriter = openFile(jImplRoot + File.separator + tableClassName + ".java"); emittedTableEntries = new HashSet<String>(); @@ -303,24 +303,14 @@ public class ProcAddressEmitter extends JavaEmitter { for (String imporT : getConfig().imports()) { tableWriter.println("import " + imporT + ";"); } + tableWriter.println("import " + ProcAddressTable.class.getName() + ";"); tableWriter.println(); tableWriter.println("/**"); - tableWriter.println(" * This table is a cache of pointers to the dynamically-linkable C"); - tableWriter.println(" * functions this autogenerated Java binding has exposed. Some"); - tableWriter.println(" * libraries such as OpenGL, OpenAL and others define function pointer"); - tableWriter.println(" * signatures rather than statically linkable entry points for the"); - tableWriter.println(" * purposes of being able to query at run-time whether a particular"); - tableWriter.println(" * extension is available. This table acts as a cache of these"); - tableWriter.println(" * function pointers. Each function pointer is typically looked up at"); - tableWriter.println(" * run-time by a platform-dependent mechanism such as dlsym(),"); - tableWriter.println(" * wgl/glXGetProcAddress(), or alGetProcAddress(). The associated"); - tableWriter.println(" * autogenerated Java and C code accesses the fields in this table to"); - tableWriter.println(" * call the various functions. If the field containing the function"); - tableWriter.println(" * pointer is 0, the function is considered to be unavailable and can"); - tableWriter.println(" * not be called."); + tableWriter.println(" * This table is a cache of pointers to the dynamically-linkable C library."); + tableWriter.println(" * @see " + ProcAddressTable.class.getSimpleName()); tableWriter.println(" */"); - tableWriter.println("public class " + tableClassName + " extends "+ ProcAddressTable.class.getName() + " {"); + tableWriter.println("public class " + tableClassName + " extends "+ ProcAddressTable.class.getSimpleName() + " {"); tableWriter.println(); for (String string : getProcAddressConfig().getForceProcAddressGen()) { @@ -336,39 +326,9 @@ public class ProcAddressEmitter extends JavaEmitter { } protected void endProcAddressTable() throws Exception { - PrintWriter w = tableWriter; - - w.println(" /**"); - w.println(" * This is a convenience method to get (by name) the native function"); - w.println(" * pointer for a given function. It lets you avoid having to"); - w.println(" * manually compute the "" + PROCADDRESS_VAR_PREFIX + " + "); - w.println(" * <functionName>" member variable name and look it up via"); - w.println(" * reflection; it also will throw an exception if you try to get the"); - w.println(" * address of an unknown function, or one that is statically linked"); - w.println(" * and therefore does not have a function pointer in this table."); - w.println(" *"); - w.println(" * @throws RuntimeException if the function pointer was not found in"); - w.println(" * this table, either because the function was unknown or because"); - w.println(" * it was statically linked."); - w.println(" */"); - w.println(" public long getAddressFor(String functionName) {"); - w.println(" String addressFieldName = PROCADDRESS_VAR_PREFIX + functionName;"); - w.println(" try { "); - w.println(" java.lang.reflect.Field addressField = getClass().getField(addressFieldName);"); - w.println(" return addressField.getLong(this);"); - w.println(" } catch (Exception e) {"); - w.println(" // The user is calling a bogus function or one which is not"); - w.println(" // runtime linked"); - w.println(" throw new RuntimeException("); - w.println(" \"WARNING: Address query failed for \\\"\" + functionName +"); - w.println(" \"\\\"; it's either statically linked or is not a known \" +"); - w.println(" \"function\", e);"); - w.println(" } "); - w.println(" }"); - - w.println("} // end of class " + tableClassName); - w.flush(); - w.close(); + tableWriter.println("} // end of class " + tableClassName); + tableWriter.flush(); + tableWriter.close(); } protected void emitProcAddressTableEntryForString(String str) { |