Java FFI: support array in extern types

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/src/ffi/java.nit b/src/ffi/java.nit
index 9191141..1fa56e9 100644 (file)
--- a/src/ffi/java.nit
+++ b/src/ffi/java.nit
@@ -518,6 +518,35 @@ redef class MClassType
                                else break
                        end
 
+                       # Change `float[]` to `[float`
+                       if jni_type.has('[') then
+                               var depth = jni_type.chars.count('[')
+                               var java_type = jni_type.replace("[]", "")
+                               var short
+
+                               if java_type == "boolean" then
+                                       short = "Z"
+                               else if java_type == "byte" then
+                                       short = "B"
+                               else if java_type == "char" then
+                                       short = "C"
+                               else if java_type == "short" then
+                                       short = "S"
+                               else if java_type == "int" then
+                                       short = "I"
+                               else if java_type == "long" then
+                                       short = "J"
+                               else if java_type == "float" then
+                                       short = "F"
+                               else if java_type == "double" then
+                                       short = "D"
+                               else
+                                       short = "L{java_type};"
+                               end
+
+                               return "["*depth + short
+                       end
+
                        return "L{jni_type};"
                end
                if mclass.name == "Bool" then return "Z"
@@ -530,6 +559,7 @@ redef class MClassType
        redef fun jni_signature_alt
        do
                var ftype = mclass.ftype
+
                if ftype isa ForeignJavaType then return "Object"
                if mclass.name == "Bool" then return "Boolean"
                if mclass.name == "Char" then return "Char"