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java: avoid enum values with references on other enums

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declaration order is not fixed

Error message:
Core.java:97: error: illegal forward reference
    Hamming_normType = NORM_HAMMING,
This commit is contained in:
Alexander Alekhin 2019-03-01 21:32:03 +00:00
parent 030e955db7
commit 0a98bc0ee9
1 changed files with 12 additions and 4 deletions
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16
modules/java/generator/gen_java.py
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@ -953,11 +953,19 @@ JNIEXPORT $rtype JNICALL Java_org_opencv_${module}_${clazz}_$fname
def gen_class(self, ci):
logging.info("%s", ci)
# constants
consts_map = {c.name: c for c in ci.private_consts}
consts_map.update({c.name: c for c in ci.consts})
def const_value(v):
if v in consts_map:
target = consts_map[v]
assert target.value != v
return const_value(target.value)
return v
if ci.private_consts:
logging.info("%s", ci.private_consts)
ci.j_code.write("""
private static final int
%s;\n\n""" % (",\n"+" "*12).join(["%s = %s" % (c.name, c.value) for c in ci.private_consts])
%s;\n\n""" % (",\n"+" "*12).join(["%s = %s" % (c.name, const_value(c.value)) for c in ci.private_consts])
)
if ci.consts:
enumTypes = set(map(lambda c: c.enumType, ci.consts))
@ -975,19 +983,19 @@ JNIEXPORT $rtype JNICALL Java_org_opencv_${module}_${clazz}_$fname
# {1}(int id) {{ this.id = id; }}
# {1}({1} _this) {{ this.id = _this.id; }}
# public int getValue() {{ return id; }}
# }}\n\n""".format((",\n"+" "*8).join(["%s(%s)" % (c.name, c.value) for c in consts]), typeName)
# }}\n\n""".format((",\n"+" "*8).join(["%s(%s)" % (c.name, const_value(c.value)) for c in consts]), typeName)
# )
################################################################
ci.j_code.write("""
// C++: enum {1}
public static final int
{0};\n\n""".format((",\n"+" "*12).join(["%s = %s" % (c.name, c.value) for c in consts]), typeName)
{0};\n\n""".format((",\n"+" "*12).join(["%s = %s" % (c.name, const_value(c.value)) for c in consts]), typeName)
)
else:
ci.j_code.write("""
// C++: enum <unnamed>
public static final int
{0};\n\n""".format((",\n"+" "*12).join(["%s = %s" % (c.name, c.value) for c in consts]))
{0};\n\n""".format((",\n"+" "*12).join(["%s = %s" % (c.name, const_value(c.value)) for c in consts]))
)
# methods
for fi in ci.getAllMethods():