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* 2. Redistributions in binary form must reproduce the above copyright notice, this list of
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used to
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
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package com.oracle.truffle.llvm.parser.metadata;
import com.oracle.truffle.llvm.parser.metadata.subtypes.MDType;
import com.oracle.truffle.llvm.parser.records.DwTagRecord;
import java.util.Arrays;
public final class MDDerivedType extends MDType implements MDBaseNode {
// TODO extend with objective c property names
private final MDReference baseType;
private final Tag tag;
private final MDReference scope;
private MDDerivedType(long tag, MDReference name, MDReference file, long line, MDReference scope, MDReference baseType, long size, long align, long offset, long flags) {
super(name, size, align, offset, file, line, flags);
this.tag = Tag.decode(tag);
this.scope = scope;
this.baseType = baseType;
}
@Override
public void accept(MetadataVisitor visitor) {
visitor.visit(this);
}
public MDReference getBaseType() {
return baseType;
}
public Tag getTag() {
return tag;
}
public MDReference getScope() {
return scope;
}
@Override
public String toString() {
return String.format("DerivedType (tag=%s,name=%s, file=%s, line=%d, scope=%s, size=%d, align=%d, offset=%d, flags=%d, baseType=%s])", getTag(), getName(), getFile(), getLine(), getScope(),
getSize(), getAlign(), getOffset(), getFlags(), baseType);
}
private boolean isOnlyReference() {
return getSize() == 0 && getAlign() == 0 && getOffset() == 0 && getFlags() == 0;
}
public MDReference getTrueBaseType() {
if (isOnlyReference() && baseType.get() instanceof MDDerivedType) {
return ((MDDerivedType) baseType.get()).getTrueBaseType();
}
return baseType;
}
public enum Tag {
UNKNOWN(-1),
DW_TAG_FORMAL_PARAMETER(5),
DW_TAG_MEMBER(13),
DW_TAG_POINTER_TYPE(15),
DW_TAG_REFERENCE_TYPE(16),
DW_TAG_TYPEDEF(22),
DW_TAG_CONST_TYPE(38),
DW_TAG_VOLATILE_TYPE(53),
DW_TAG_RESTRICT_TYPE(55),
DW_TAG_FRIEND(42);
private final int id;
Tag(int id) {
this.id = id;
}
private static Tag decode(long val) {
return Arrays.stream(values()).filter(e -> e.id == val).findAny().orElse(UNKNOWN);
}
}
private static final int ARGINDEX_38_TAG = 1;
private static final int ARGINDEX_38_NAME = 2;
private static final int ARGINDEX_38_FILE = 3;
private static final int ARGINDEX_38_LINE = 4;
private static final int ARGINDEX_38_SCOPE = 5;
private static final int ARGINDEX_38_BASETYPE = 6;
private static final int ARGINDEX_38_SIZE = 7;
private static final int ARGINDEX_38_ALIGN = 8;
private static final int ARGINDEX_38_OFFSET = 9;
private static final int ARGINDEX_38_FLAGS = 10;
public static MDDerivedType create38(long[] args, MetadataList md) {
final long tag = args[ARGINDEX_38_TAG];
final MDReference name = md.getMDRefOrNullRef(args[ARGINDEX_38_NAME]);
final MDReference file = md.getMDRefOrNullRef(args[ARGINDEX_38_FILE]);
final long line = args[ARGINDEX_38_LINE];
final MDReference scope = md.getMDRefOrNullRef(args[ARGINDEX_38_SCOPE]);
final MDReference baseType = md.getMDRefOrNullRef(args[ARGINDEX_38_BASETYPE]);
final long size = args[ARGINDEX_38_SIZE];
final long align = args[ARGINDEX_38_ALIGN];
final long offset = args[ARGINDEX_38_OFFSET];
final long flags = args[ARGINDEX_38_FLAGS];
return new MDDerivedType(tag, name, file, line, scope, baseType, size, align, offset, flags);
}
private static final int ARGINDEX_32_TAG = 0;
private static final int ARGINDEX_32_SCOPE = 1;
private static final int ARGINDEX_32_NAME = 2;
private static final int ARGINDEX_32_FILE = 3;
private static final int ARGINDEX_32_LINE = 4;
private static final int ARGINDEX_32_SIZE = 5;
private static final int ARGINDEX_32_ALIGN = 6;
private static final int ARGINDEX_32_OFFSET = 7;
private static final int ARGINDEX_32_FLAGS = 8;
private static final int ARGINDEX_32_BASETYPE = 9;
public static MDDerivedType create32(MDTypedValue[] args) {
final long tag = DwTagRecord.decode(ParseUtil.asInt64(args[ARGINDEX_32_TAG])).code();
final MDReference scope = ParseUtil.getReference(args[ARGINDEX_32_SCOPE]);
final MDReference name = ParseUtil.getReference(args[ARGINDEX_32_NAME]);
final MDReference file = ParseUtil.getReference(args[ARGINDEX_32_FILE]);
final long line = ParseUtil.asInt32(args[ARGINDEX_32_LINE]);
final long size = ParseUtil.asInt64(args[ARGINDEX_32_SIZE]);
final long align = ParseUtil.asInt64(args[ARGINDEX_32_ALIGN]);
final long offset = ParseUtil.asInt64(args[ARGINDEX_32_OFFSET]);
final long flags = ParseUtil.asInt32(args[ARGINDEX_32_FLAGS]);
final MDReference baseType = ParseUtil.getReference(args[ARGINDEX_32_BASETYPE]);
return new MDDerivedType(tag, name, file, line, scope, baseType, size, align, offset, flags);
}
}