/* * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions.
*/
#include"util.h" #include"signature.h"
/* * JNI signature constants, beyond those defined in JVM_TYPE(*)
*/ #define SIGNATURE_BEGIN_ARGS '(' #define SIGNATURE_END_ARGS ')' #define SIGNATURE_END_CLASS ';'
jbyte methodSignature_returnTag(char *signature)
{ char *tagPtr = strchr(signature, SIGNATURE_END_ARGS);
JDI_ASSERT(tagPtr);
tagPtr++; /* 1st character after the end of args */
JVM_TYPE_ASSERT((jbyte)*tagPtr); return (jbyte)*tagPtr;
}
void methodSignature_init(char *signature, void **cursor)
{
JDI_ASSERT(signature[0] == SIGNATURE_BEGIN_ARGS);
*cursor = signature + 1; /* skip to the first arg */
}
if (*tagPtr != SIGNATURE_END_ARGS) { /* Skip any array modifiers */ while (*tagPtr == JDWP_TAG(ARRAY)) {
tagPtr++;
} /* Skip class name */ if (*tagPtr == JDWP_TAG(OBJECT)) {
tagPtr = strchr(tagPtr, SIGNATURE_END_CLASS) + 1;
JDI_ASSERT(tagPtr);
} else { /* Skip primitive sig */
tagPtr++;
}
}
*cursor = tagPtr; if (nextType != SIGNATURE_END_ARGS) {
JVM_TYPE_ASSERT(nextType);
*argumentTag = nextType; return JNI_TRUE;
} return JNI_FALSE;
}
/* * Convert the signature "Ljava/lang/Foo;" to a * classname "java.lang.Foo" compatible with the pattern. * Signature is overwritten in-place.
*/ void convertSignatureToClassname(char *convert)
{ char *p;
p = convert + 1; while ((*p != ';') && (*p != '\0')) { char c = *p; if (c == '/') {
*(p-1) = '.';
} elseif (c == '.') { // class signature of a hidden class is "Ljava/lang/Foo.1234;" // map to "java.lang.Foo/1234"
*(p-1) = '/';
} else {
*(p-1) = c;
}
p++;
}
*(p-1) = '\0';
}
Messung V0.5
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