Improve glgen
+ gen script is really a bash script rather than a sh script,
so declare that to be true. (For example, it uses pushd,
which is a part of bash, but not a part of sh. Not sure
how this worked until now. Possibly gen was only run in
environments where /bin/sh was really bash.
+ Check the results of the java compile of the code generator,
and abort the script if the compile fails.
+ Turn on the bash shell option that guards against using
uninitialized variables in the script.
+ Remove the generated class files.
Refactor JniCodeEmitter into two classes: a general-purpose
JniCodeEmitter and a specific Jsr239CodeEmitter. The hope is
to use JniCodeEmitter as a base for emitting static OpenGL ES
bindings.
diff --git a/opengl/tools/glgen/src/Jsr239CodeEmitter.java b/opengl/tools/glgen/src/Jsr239CodeEmitter.java
new file mode 100644
index 0000000..eff0447
--- /dev/null
+++ b/opengl/tools/glgen/src/Jsr239CodeEmitter.java
@@ -0,0 +1,74 @@
+import java.io.PrintStream;
+
+/**
+ * Emits a Java interface and Java & C implementation for a C function.
+ *
+ * <p> The Java interface will have Buffer and array variants for functions that
+ * have a typed pointer argument. The array variant will convert a single "<type> *data"
+ * argument to a pair of arguments "<type>[] data, int offset".
+ */
+public class Jsr239CodeEmitter extends JniCodeEmitter implements CodeEmitter {
+
+ PrintStream mJava10InterfaceStream;
+ PrintStream mJava10ExtInterfaceStream;
+ PrintStream mJava11InterfaceStream;
+ PrintStream mJava11ExtInterfaceStream;
+ PrintStream mJava11ExtPackInterfaceStream;
+ PrintStream mJavaImplStream;
+ PrintStream mCStream;
+
+ PrintStream mJavaInterfaceStream;
+
+ /**
+ * @param java10InterfaceStream the PrintStream to which to emit the Java interface for GL 1.0 functions
+ * @param java10ExtInterfaceStream the PrintStream to which to emit the Java interface for GL 1.0 extension functions
+ * @param java11InterfaceStream the PrintStream to which to emit the Java interface for GL 1.1 functions
+ * @param java11ExtInterfaceStream the PrintStream to which to emit the Java interface for GL 1.1 Extension functions
+ * @param java11ExtPackInterfaceStream the PrintStream to which to emit the Java interface for GL 1.1 Extension Pack functions
+ * @param javaImplStream the PrintStream to which to emit the Java implementation
+ * @param cStream the PrintStream to which to emit the C implementation
+ */
+ public Jsr239CodeEmitter(String classPathName,
+ ParameterChecker checker,
+ PrintStream java10InterfaceStream,
+ PrintStream java10ExtInterfaceStream,
+ PrintStream java11InterfaceStream,
+ PrintStream java11ExtInterfaceStream,
+ PrintStream java11ExtPackInterfaceStream,
+ PrintStream javaImplStream,
+ PrintStream cStream,
+ boolean useContextPointer) {
+ mClassPathName = classPathName;
+ mChecker = checker;
+ mJava10InterfaceStream = java10InterfaceStream;
+ mJava10ExtInterfaceStream = java10ExtInterfaceStream;
+ mJava11InterfaceStream = java11InterfaceStream;
+ mJava11ExtInterfaceStream = java11ExtInterfaceStream;
+ mJava11ExtPackInterfaceStream = java11ExtPackInterfaceStream;
+ mJavaImplStream = javaImplStream;
+ mCStream = cStream;
+ mUseContextPointer = useContextPointer;
+ }
+
+ public void setVersion(int version, boolean ext, boolean pack) {
+ if (version == 0) {
+ mJavaInterfaceStream = ext ? mJava10ExtInterfaceStream :
+ mJava10InterfaceStream;
+ } else if (version == 1) {
+ mJavaInterfaceStream = ext ?
+ (pack ? mJava11ExtPackInterfaceStream :
+ mJava11ExtInterfaceStream) :
+ mJava11InterfaceStream;
+ } else {
+ throw new RuntimeException("Bad version: " + version);
+ }
+ }
+
+ public void emitCode(CFunc cfunc, String original) {
+ emitCode(cfunc, original, mJavaInterfaceStream, mJavaImplStream, mCStream);
+ }
+
+ public void emitNativeRegistration() {
+ emitNativeRegistration(mCStream);
+ }
+}