sun.invoke.util.BytecodeDescriptor Java Examples
The following examples show how to use
sun.invoke.util.BytecodeDescriptor.
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Example #1
Source File: MemberName.java From Java8CN with Apache License 2.0 | 5 votes |
/** Utility method to produce the signature of this member, * used within the class file format to describe its type. */ public String getSignature() { if (type == null) { expandFromVM(); if (type == null) { return null; } } if (isInvocable()) return BytecodeDescriptor.unparse(getMethodType()); else return BytecodeDescriptor.unparse(getFieldType()); }
Example #2
Source File: MemberName.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
/** Utility method to produce the signature of this member, * used within the class file format to describe its type. */ public String getSignature() { if (type == null) { expandFromVM(); if (type == null) { return null; } } if (isInvocable()) return BytecodeDescriptor.unparse(getMethodType()); else return BytecodeDescriptor.unparse(getFieldType()); }
Example #3
Source File: MemberName.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 5 votes |
/** Utility method to produce the signature of this member, * used within the class file format to describe its type. */ public String getSignature() { if (type == null) { expandFromVM(); if (type == null) { return null; } } if (isInvocable()) return BytecodeDescriptor.unparse(getMethodType()); else return BytecodeDescriptor.unparse(getFieldType()); }
Example #4
Source File: MemberName.java From jdk8u60 with GNU General Public License v2.0 | 5 votes |
/** Utility method to produce the signature of this member, * used within the class file format to describe its type. */ public String getSignature() { if (type == null) { expandFromVM(); if (type == null) { return null; } } if (isInvocable()) return BytecodeDescriptor.unparse(getMethodType()); else return BytecodeDescriptor.unparse(getFieldType()); }
Example #5
Source File: MethodType.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
/** * Same as {@link #fromMethodDescriptorString(String, ClassLoader)}, but * {@code null} ClassLoader means the bootstrap loader is used here. * <p> * IMPORTANT: This method is preferable for JDK internal use as it more * correctly interprets {@code null} ClassLoader than * {@link #fromMethodDescriptorString(String, ClassLoader)}. * Use of this method also avoids early initialization issues when system * ClassLoader is not initialized yet. */ static MethodType fromDescriptor(String descriptor, ClassLoader loader) throws IllegalArgumentException, TypeNotPresentException { if (!descriptor.startsWith("(") || // also generates NPE if needed descriptor.indexOf(')') < 0 || descriptor.indexOf('.') >= 0) throw newIllegalArgumentException("not a method descriptor: "+descriptor); List<Class<?>> types = BytecodeDescriptor.parseMethod(descriptor, loader); Class<?> rtype = types.remove(types.size() - 1); Class<?>[] ptypes = listToArray(types); return makeImpl(rtype, ptypes, true); }
Example #6
Source File: MemberName.java From dragonwell8_jdk with GNU General Public License v2.0 | 5 votes |
/** Utility method to produce the signature of this member, * used within the class file format to describe its type. */ public String getSignature() { if (type == null) { expandFromVM(); if (type == null) { return null; } } if (isInvocable()) return BytecodeDescriptor.unparse(getMethodType()); else return BytecodeDescriptor.unparse(getFieldType()); }
Example #7
Source File: MemberName.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
/** Utility method to produce the signature of this member, * used within the class file format to describe its type. */ public String getSignature() { if (type == null) { expandFromVM(); if (type == null) { return null; } } if (isInvocable()) return BytecodeDescriptor.unparse(getMethodType()); else return BytecodeDescriptor.unparse(getFieldType()); }
Example #8
Source File: MemberName.java From jdk-1.7-annotated with Apache License 2.0 | 5 votes |
/** Utility method to produce the signature of this member, * used within the class file format to describe its type. */ public String getSignature() { if (type == null) { expandFromVM(); if (type == null) return null; } if (type instanceof String) return (String) type; if (isInvocable()) return BytecodeDescriptor.unparse(getMethodType()); else return BytecodeDescriptor.unparse(getFieldType()); }
Example #9
Source File: MemberName.java From openjdk-jdk8u with GNU General Public License v2.0 | 5 votes |
/** Utility method to produce the signature of this member, * used within the class file format to describe its type. */ public String getSignature() { if (type == null) { expandFromVM(); if (type == null) { return null; } } if (isInvocable()) return BytecodeDescriptor.unparse(getMethodType()); else return BytecodeDescriptor.unparse(getFieldType()); }
Example #10
Source File: MethodType.java From Bytecoder with Apache License 2.0 | 5 votes |
/** * Same as {@link #fromMethodDescriptorString(String, ClassLoader)}, but * {@code null} ClassLoader means the bootstrap loader is used here. * <p> * IMPORTANT: This method is preferable for JDK internal use as it more * correctly interprets {@code null} ClassLoader than * {@link #fromMethodDescriptorString(String, ClassLoader)}. * Use of this method also avoids early initialization issues when system * ClassLoader is not initialized yet. */ static MethodType fromDescriptor(String descriptor, ClassLoader loader) throws IllegalArgumentException, TypeNotPresentException { if (!descriptor.startsWith("(") || // also generates NPE if needed descriptor.indexOf(')') < 0 || descriptor.indexOf('.') >= 0) throw newIllegalArgumentException("not a method descriptor: "+descriptor); List<Class<?>> types = BytecodeDescriptor.parseMethod(descriptor, loader); Class<?> rtype = types.remove(types.size() - 1); Class<?>[] ptypes = listToArray(types); return makeImpl(rtype, ptypes, true); }
Example #11
Source File: MemberName.java From jdk8u_jdk with GNU General Public License v2.0 | 5 votes |
/** Utility method to produce the signature of this member, * used within the class file format to describe its type. */ public String getSignature() { if (type == null) { expandFromVM(); if (type == null) { return null; } } if (isInvocable()) return BytecodeDescriptor.unparse(getMethodType()); else return BytecodeDescriptor.unparse(getFieldType()); }
Example #12
Source File: MemberName.java From JDKSourceCode1.8 with MIT License | 5 votes |
/** Utility method to produce the signature of this member, * used within the class file format to describe its type. */ public String getSignature() { if (type == null) { expandFromVM(); if (type == null) { return null; } } if (isInvocable()) return BytecodeDescriptor.unparse(getMethodType()); else return BytecodeDescriptor.unparse(getFieldType()); }
Example #13
Source File: MemberName.java From jdk1.8-source-analysis with Apache License 2.0 | 5 votes |
/** Utility method to produce the signature of this member, * used within the class file format to describe its type. */ public String getSignature() { if (type == null) { expandFromVM(); if (type == null) { return null; } } if (isInvocable()) return BytecodeDescriptor.unparse(getMethodType()); else return BytecodeDescriptor.unparse(getFieldType()); }
Example #14
Source File: MemberName.java From openjdk-8-source with GNU General Public License v2.0 | 5 votes |
/** Utility method to produce the signature of this member, * used within the class file format to describe its type. */ public String getSignature() { if (type == null) { expandFromVM(); if (type == null) { return null; } } if (isInvocable()) return BytecodeDescriptor.unparse(getMethodType()); else return BytecodeDescriptor.unparse(getFieldType()); }
Example #15
Source File: MethodType.java From Java8CN with Apache License 2.0 | 4 votes |
static String toFieldDescriptorString(Class<?> cls) { return BytecodeDescriptor.unparse(cls); }
Example #16
Source File: MethodType.java From hottub with GNU General Public License v2.0 | 4 votes |
static String toFieldDescriptorString(Class<?> cls) { return BytecodeDescriptor.unparse(cls); }
Example #17
Source File: MethodType.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
static String toFieldDescriptorString(Class<?> cls) { return BytecodeDescriptor.unparse(cls); }
Example #18
Source File: MemberName.java From Java8CN with Apache License 2.0 | 4 votes |
List<MemberName> getMembers(Class<?> defc, String matchName, Object matchType, int matchFlags, Class<?> lookupClass) { matchFlags &= ALLOWED_FLAGS; String matchSig = null; if (matchType != null) { matchSig = BytecodeDescriptor.unparse(matchType); if (matchSig.startsWith("(")) matchFlags &= ~(ALL_KINDS & ~IS_INVOCABLE); else matchFlags &= ~(ALL_KINDS & ~IS_FIELD); } final int BUF_MAX = 0x2000; int len1 = matchName == null ? 10 : matchType == null ? 4 : 1; MemberName[] buf = newMemberBuffer(len1); int totalCount = 0; ArrayList<MemberName[]> bufs = null; int bufCount = 0; for (;;) { bufCount = MethodHandleNatives.getMembers(defc, matchName, matchSig, matchFlags, lookupClass, totalCount, buf); if (bufCount <= buf.length) { if (bufCount < 0) bufCount = 0; totalCount += bufCount; break; } // JVM returned to us with an intentional overflow! totalCount += buf.length; int excess = bufCount - buf.length; if (bufs == null) bufs = new ArrayList<>(1); bufs.add(buf); int len2 = buf.length; len2 = Math.max(len2, excess); len2 = Math.max(len2, totalCount / 4); buf = newMemberBuffer(Math.min(BUF_MAX, len2)); } ArrayList<MemberName> result = new ArrayList<>(totalCount); if (bufs != null) { for (MemberName[] buf0 : bufs) { Collections.addAll(result, buf0); } } result.addAll(Arrays.asList(buf).subList(0, bufCount)); // Signature matching is not the same as type matching, since // one signature might correspond to several types. // So if matchType is a Class or MethodType, refilter the results. if (matchType != null && matchType != matchSig) { for (Iterator<MemberName> it = result.iterator(); it.hasNext();) { MemberName m = it.next(); if (!matchType.equals(m.getType())) it.remove(); } } return result; }
Example #19
Source File: MemberName.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
List<MemberName> getMembers(Class<?> defc, String matchName, Object matchType, int matchFlags, Class<?> lookupClass) { matchFlags &= ALLOWED_FLAGS; String matchSig = null; if (matchType != null) { matchSig = BytecodeDescriptor.unparse(matchType); if (matchSig.startsWith("(")) matchFlags &= ~(ALL_KINDS & ~IS_INVOCABLE); else matchFlags &= ~(ALL_KINDS & ~IS_FIELD); } final int BUF_MAX = 0x2000; int len1 = matchName == null ? 10 : matchType == null ? 4 : 1; MemberName[] buf = newMemberBuffer(len1); int totalCount = 0; ArrayList<MemberName[]> bufs = null; int bufCount = 0; for (;;) { bufCount = MethodHandleNatives.getMembers(defc, matchName, matchSig, matchFlags, lookupClass, totalCount, buf); if (bufCount <= buf.length) { if (bufCount < 0) bufCount = 0; totalCount += bufCount; break; } // JVM returned to us with an intentional overflow! totalCount += buf.length; int excess = bufCount - buf.length; if (bufs == null) bufs = new ArrayList<>(1); bufs.add(buf); int len2 = buf.length; len2 = Math.max(len2, excess); len2 = Math.max(len2, totalCount / 4); buf = newMemberBuffer(Math.min(BUF_MAX, len2)); } ArrayList<MemberName> result = new ArrayList<>(totalCount); if (bufs != null) { for (MemberName[] buf0 : bufs) { Collections.addAll(result, buf0); } } for (int i = 0; i < bufCount; i++) { result.add(buf[i]); } // Signature matching is not the same as type matching, since // one signature might correspond to several types. // So if matchType is a Class or MethodType, refilter the results. if (matchType != null && matchType != matchSig) { for (Iterator<MemberName> it = result.iterator(); it.hasNext();) { MemberName m = it.next(); if (!matchType.equals(m.getType())) it.remove(); } } return result; }
Example #20
Source File: MemberName.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
List<MemberName> getMembers(Class<?> defc, String matchName, Object matchType, int matchFlags, Class<?> lookupClass) { matchFlags &= ALLOWED_FLAGS; String matchSig = null; if (matchType != null) { matchSig = BytecodeDescriptor.unparse(matchType); if (matchSig.startsWith("(")) matchFlags &= ~(ALL_KINDS & ~IS_INVOCABLE); else matchFlags &= ~(ALL_KINDS & ~IS_FIELD); } final int BUF_MAX = 0x2000; int len1 = matchName == null ? 10 : matchType == null ? 4 : 1; MemberName[] buf = newMemberBuffer(len1); int totalCount = 0; ArrayList<MemberName[]> bufs = null; int bufCount = 0; for (;;) { bufCount = MethodHandleNatives.getMembers(defc, matchName, matchSig, matchFlags, lookupClass, totalCount, buf); if (bufCount <= buf.length) { if (bufCount < 0) bufCount = 0; totalCount += bufCount; break; } // JVM returned to us with an intentional overflow! totalCount += buf.length; int excess = bufCount - buf.length; if (bufs == null) bufs = new ArrayList<>(1); bufs.add(buf); int len2 = buf.length; len2 = Math.max(len2, excess); len2 = Math.max(len2, totalCount / 4); buf = newMemberBuffer(Math.min(BUF_MAX, len2)); } ArrayList<MemberName> result = new ArrayList<>(totalCount); if (bufs != null) { for (MemberName[] buf0 : bufs) { Collections.addAll(result, buf0); } } result.addAll(Arrays.asList(buf).subList(0, bufCount)); // Signature matching is not the same as type matching, since // one signature might correspond to several types. // So if matchType is a Class or MethodType, refilter the results. if (matchType != null && matchType != matchSig) { for (Iterator<MemberName> it = result.iterator(); it.hasNext();) { MemberName m = it.next(); if (!matchType.equals(m.getType())) it.remove(); } } return result; }
Example #21
Source File: MemberName.java From Bytecoder with Apache License 2.0 | 4 votes |
List<MemberName> getMembers(Class<?> defc, String matchName, Object matchType, int matchFlags, Class<?> lookupClass) { matchFlags &= ALLOWED_FLAGS; String matchSig = null; if (matchType != null) { matchSig = BytecodeDescriptor.unparse(matchType); if (matchSig.startsWith("(")) matchFlags &= ~(ALL_KINDS & ~IS_INVOCABLE); else matchFlags &= ~(ALL_KINDS & ~IS_FIELD); } final int BUF_MAX = 0x2000; int len1 = matchName == null ? 10 : matchType == null ? 4 : 1; MemberName[] buf = newMemberBuffer(len1); int totalCount = 0; ArrayList<MemberName[]> bufs = null; int bufCount = 0; for (;;) { bufCount = MethodHandleNatives.getMembers(defc, matchName, matchSig, matchFlags, lookupClass, totalCount, buf); if (bufCount <= buf.length) { if (bufCount < 0) bufCount = 0; totalCount += bufCount; break; } // JVM returned to us with an intentional overflow! totalCount += buf.length; int excess = bufCount - buf.length; if (bufs == null) bufs = new ArrayList<>(1); bufs.add(buf); int len2 = buf.length; len2 = Math.max(len2, excess); len2 = Math.max(len2, totalCount / 4); buf = newMemberBuffer(Math.min(BUF_MAX, len2)); } ArrayList<MemberName> result = new ArrayList<>(totalCount); if (bufs != null) { for (MemberName[] buf0 : bufs) { Collections.addAll(result, buf0); } } for (int i = 0; i < bufCount; i++) { result.add(buf[i]); } // Signature matching is not the same as type matching, since // one signature might correspond to several types. // So if matchType is a Class or MethodType, refilter the results. if (matchType != null && matchType != matchSig) { for (Iterator<MemberName> it = result.iterator(); it.hasNext();) { MemberName m = it.next(); if (!matchType.equals(m.getType())) it.remove(); } } return result; }
Example #22
Source File: MethodType.java From jdk-1.7-annotated with Apache License 2.0 | 4 votes |
static String toFieldDescriptorString(Class<?> cls) { return BytecodeDescriptor.unparse(cls); }
Example #23
Source File: MemberName.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
List<MemberName> getMembers(Class<?> defc, String matchName, Object matchType, int matchFlags, Class<?> lookupClass) { matchFlags &= ALLOWED_FLAGS; String matchSig = null; if (matchType != null) { matchSig = BytecodeDescriptor.unparse(matchType); if (matchSig.startsWith("(")) matchFlags &= ~(ALL_KINDS & ~IS_INVOCABLE); else matchFlags &= ~(ALL_KINDS & ~IS_FIELD); } final int BUF_MAX = 0x2000; int len1 = matchName == null ? 10 : matchType == null ? 4 : 1; MemberName[] buf = newMemberBuffer(len1); int totalCount = 0; ArrayList<MemberName[]> bufs = null; int bufCount = 0; for (;;) { bufCount = MethodHandleNatives.getMembers(defc, matchName, matchSig, matchFlags, lookupClass, totalCount, buf); if (bufCount <= buf.length) { if (bufCount < 0) bufCount = 0; totalCount += bufCount; break; } // JVM returned to us with an intentional overflow! totalCount += buf.length; int excess = bufCount - buf.length; if (bufs == null) bufs = new ArrayList<>(1); bufs.add(buf); int len2 = buf.length; len2 = Math.max(len2, excess); len2 = Math.max(len2, totalCount / 4); buf = newMemberBuffer(Math.min(BUF_MAX, len2)); } ArrayList<MemberName> result = new ArrayList<>(totalCount); if (bufs != null) { for (MemberName[] buf0 : bufs) { Collections.addAll(result, buf0); } } result.addAll(Arrays.asList(buf).subList(0, bufCount)); // Signature matching is not the same as type matching, since // one signature might correspond to several types. // So if matchType is a Class or MethodType, refilter the results. if (matchType != null && matchType != matchSig) { for (Iterator<MemberName> it = result.iterator(); it.hasNext();) { MemberName m = it.next(); if (!matchType.equals(m.getType())) it.remove(); } } return result; }
Example #24
Source File: MemberName.java From jdk8u-jdk with GNU General Public License v2.0 | 4 votes |
List<MemberName> getMembers(Class<?> defc, String matchName, Object matchType, int matchFlags, Class<?> lookupClass) { matchFlags &= ALLOWED_FLAGS; String matchSig = null; if (matchType != null) { matchSig = BytecodeDescriptor.unparse(matchType); if (matchSig.startsWith("(")) matchFlags &= ~(ALL_KINDS & ~IS_INVOCABLE); else matchFlags &= ~(ALL_KINDS & ~IS_FIELD); } final int BUF_MAX = 0x2000; int len1 = matchName == null ? 10 : matchType == null ? 4 : 1; MemberName[] buf = newMemberBuffer(len1); int totalCount = 0; ArrayList<MemberName[]> bufs = null; int bufCount = 0; for (;;) { bufCount = MethodHandleNatives.getMembers(defc, matchName, matchSig, matchFlags, lookupClass, totalCount, buf); if (bufCount <= buf.length) { if (bufCount < 0) bufCount = 0; totalCount += bufCount; break; } // JVM returned to us with an intentional overflow! totalCount += buf.length; int excess = bufCount - buf.length; if (bufs == null) bufs = new ArrayList<>(1); bufs.add(buf); int len2 = buf.length; len2 = Math.max(len2, excess); len2 = Math.max(len2, totalCount / 4); buf = newMemberBuffer(Math.min(BUF_MAX, len2)); } ArrayList<MemberName> result = new ArrayList<>(totalCount); if (bufs != null) { for (MemberName[] buf0 : bufs) { Collections.addAll(result, buf0); } } result.addAll(Arrays.asList(buf).subList(0, bufCount)); // Signature matching is not the same as type matching, since // one signature might correspond to several types. // So if matchType is a Class or MethodType, refilter the results. if (matchType != null && matchType != matchSig) { for (Iterator<MemberName> it = result.iterator(); it.hasNext();) { MemberName m = it.next(); if (!matchType.equals(m.getType())) it.remove(); } } return result; }
Example #25
Source File: MemberName.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 4 votes |
List<MemberName> getMembers(Class<?> defc, String matchName, Object matchType, int matchFlags, Class<?> lookupClass) { matchFlags &= ALLOWED_FLAGS; String matchSig = null; if (matchType != null) { matchSig = BytecodeDescriptor.unparse(matchType); if (matchSig.startsWith("(")) matchFlags &= ~(ALL_KINDS & ~IS_INVOCABLE); else matchFlags &= ~(ALL_KINDS & ~IS_FIELD); } final int BUF_MAX = 0x2000; int len1 = matchName == null ? 10 : matchType == null ? 4 : 1; MemberName[] buf = newMemberBuffer(len1); int totalCount = 0; ArrayList<MemberName[]> bufs = null; int bufCount = 0; for (;;) { bufCount = MethodHandleNatives.getMembers(defc, matchName, matchSig, matchFlags, lookupClass, totalCount, buf); if (bufCount <= buf.length) { if (bufCount < 0) bufCount = 0; totalCount += bufCount; break; } // JVM returned to us with an intentional overflow! totalCount += buf.length; int excess = bufCount - buf.length; if (bufs == null) bufs = new ArrayList<>(1); bufs.add(buf); int len2 = buf.length; len2 = Math.max(len2, excess); len2 = Math.max(len2, totalCount / 4); buf = newMemberBuffer(Math.min(BUF_MAX, len2)); } ArrayList<MemberName> result = new ArrayList<>(totalCount); if (bufs != null) { for (MemberName[] buf0 : bufs) { Collections.addAll(result, buf0); } } result.addAll(Arrays.asList(buf).subList(0, bufCount)); // Signature matching is not the same as type matching, since // one signature might correspond to several types. // So if matchType is a Class or MethodType, refilter the results. if (matchType != null && matchType != matchSig) { for (Iterator<MemberName> it = result.iterator(); it.hasNext();) { MemberName m = it.next(); if (!matchType.equals(m.getType())) it.remove(); } } return result; }
Example #26
Source File: MethodType.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 4 votes |
static String toFieldDescriptorString(Class<?> cls) { return BytecodeDescriptor.unparse(cls); }
Example #27
Source File: MemberName.java From openjdk-jdk8u with GNU General Public License v2.0 | 4 votes |
List<MemberName> getMembers(Class<?> defc, String matchName, Object matchType, int matchFlags, Class<?> lookupClass) { matchFlags &= ALLOWED_FLAGS; String matchSig = null; if (matchType != null) { matchSig = BytecodeDescriptor.unparse(matchType); if (matchSig.startsWith("(")) matchFlags &= ~(ALL_KINDS & ~IS_INVOCABLE); else matchFlags &= ~(ALL_KINDS & ~IS_FIELD); } final int BUF_MAX = 0x2000; int len1 = matchName == null ? 10 : matchType == null ? 4 : 1; MemberName[] buf = newMemberBuffer(len1); int totalCount = 0; ArrayList<MemberName[]> bufs = null; int bufCount = 0; for (;;) { bufCount = MethodHandleNatives.getMembers(defc, matchName, matchSig, matchFlags, lookupClass, totalCount, buf); if (bufCount <= buf.length) { if (bufCount < 0) bufCount = 0; totalCount += bufCount; break; } // JVM returned to us with an intentional overflow! totalCount += buf.length; int excess = bufCount - buf.length; if (bufs == null) bufs = new ArrayList<>(1); bufs.add(buf); int len2 = buf.length; len2 = Math.max(len2, excess); len2 = Math.max(len2, totalCount / 4); buf = newMemberBuffer(Math.min(BUF_MAX, len2)); } ArrayList<MemberName> result = new ArrayList<>(totalCount); if (bufs != null) { for (MemberName[] buf0 : bufs) { Collections.addAll(result, buf0); } } result.addAll(Arrays.asList(buf).subList(0, bufCount)); // Signature matching is not the same as type matching, since // one signature might correspond to several types. // So if matchType is a Class or MethodType, refilter the results. if (matchType != null && matchType != matchSig) { for (Iterator<MemberName> it = result.iterator(); it.hasNext();) { MemberName m = it.next(); if (!matchType.equals(m.getType())) it.remove(); } } return result; }
Example #28
Source File: MethodType.java From openjdk-jdk8u with GNU General Public License v2.0 | 4 votes |
static String toFieldDescriptorString(Class<?> cls) { return BytecodeDescriptor.unparse(cls); }
Example #29
Source File: MemberName.java From jdk8u_jdk with GNU General Public License v2.0 | 4 votes |
List<MemberName> getMembers(Class<?> defc, String matchName, Object matchType, int matchFlags, Class<?> lookupClass) { matchFlags &= ALLOWED_FLAGS; String matchSig = null; if (matchType != null) { matchSig = BytecodeDescriptor.unparse(matchType); if (matchSig.startsWith("(")) matchFlags &= ~(ALL_KINDS & ~IS_INVOCABLE); else matchFlags &= ~(ALL_KINDS & ~IS_FIELD); } final int BUF_MAX = 0x2000; int len1 = matchName == null ? 10 : matchType == null ? 4 : 1; MemberName[] buf = newMemberBuffer(len1); int totalCount = 0; ArrayList<MemberName[]> bufs = null; int bufCount = 0; for (;;) { bufCount = MethodHandleNatives.getMembers(defc, matchName, matchSig, matchFlags, lookupClass, totalCount, buf); if (bufCount <= buf.length) { if (bufCount < 0) bufCount = 0; totalCount += bufCount; break; } // JVM returned to us with an intentional overflow! totalCount += buf.length; int excess = bufCount - buf.length; if (bufs == null) bufs = new ArrayList<>(1); bufs.add(buf); int len2 = buf.length; len2 = Math.max(len2, excess); len2 = Math.max(len2, totalCount / 4); buf = newMemberBuffer(Math.min(BUF_MAX, len2)); } ArrayList<MemberName> result = new ArrayList<>(totalCount); if (bufs != null) { for (MemberName[] buf0 : bufs) { Collections.addAll(result, buf0); } } result.addAll(Arrays.asList(buf).subList(0, bufCount)); // Signature matching is not the same as type matching, since // one signature might correspond to several types. // So if matchType is a Class or MethodType, refilter the results. if (matchType != null && matchType != matchSig) { for (Iterator<MemberName> it = result.iterator(); it.hasNext();) { MemberName m = it.next(); if (!matchType.equals(m.getType())) it.remove(); } } return result; }
Example #30
Source File: MemberName.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 4 votes |
List<MemberName> getMembers(Class<?> defc, String matchName, Object matchType, int matchFlags, Class<?> lookupClass) { matchFlags &= ALLOWED_FLAGS; String matchSig = null; if (matchType != null) { matchSig = BytecodeDescriptor.unparse(matchType); if (matchSig.startsWith("(")) matchFlags &= ~(ALL_KINDS & ~IS_INVOCABLE); else matchFlags &= ~(ALL_KINDS & ~IS_FIELD); } final int BUF_MAX = 0x2000; int len1 = matchName == null ? 10 : matchType == null ? 4 : 1; MemberName[] buf = newMemberBuffer(len1); int totalCount = 0; ArrayList<MemberName[]> bufs = null; int bufCount = 0; for (;;) { bufCount = MethodHandleNatives.getMembers(defc, matchName, matchSig, matchFlags, lookupClass, totalCount, buf); if (bufCount <= buf.length) { if (bufCount < 0) bufCount = 0; totalCount += bufCount; break; } // JVM returned to us with an intentional overflow! totalCount += buf.length; int excess = bufCount - buf.length; if (bufs == null) bufs = new ArrayList<>(1); bufs.add(buf); int len2 = buf.length; len2 = Math.max(len2, excess); len2 = Math.max(len2, totalCount / 4); buf = newMemberBuffer(Math.min(BUF_MAX, len2)); } ArrayList<MemberName> result = new ArrayList<>(totalCount); if (bufs != null) { for (MemberName[] buf0 : bufs) { Collections.addAll(result, buf0); } } result.addAll(Arrays.asList(buf).subList(0, bufCount)); // Signature matching is not the same as type matching, since // one signature might correspond to several types. // So if matchType is a Class or MethodType, refilter the results. if (matchType != null && matchType != matchSig) { for (Iterator<MemberName> it = result.iterator(); it.hasNext();) { MemberName m = it.next(); if (!matchType.equals(m.getType())) it.remove(); } } return result; }