Mercurial > hg > graal-jvmci-8
view c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotSignature.java @ 1417:2c41834aa270
Small adaptations
author | Thomas Wuerthinger <thomas.wuerthinger@gmail.com> |
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date | Wed, 23 Jun 2010 17:20:40 +0200 |
parents | 1b41af477605 |
children | 44efca8a02d6 |
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package com.sun.hotspot.c1x; import java.util.ArrayList; import java.util.List; import com.sun.cri.ci.CiKind; import com.sun.cri.ri.RiSignature; import com.sun.cri.ri.RiType; public class HotSpotSignature implements RiSignature { private final List<String> arguments = new ArrayList<String>(); private final String returnType; private final String originalString; public HotSpotSignature(String signature) { assert signature.length() > 0; this.originalString = signature; if (signature.charAt(0) == '(') { int cur = 1; while (cur < signature.length() && signature.charAt(cur) != ')') { int nextCur = parseSignature(signature, cur); arguments.add(signature.substring(cur, nextCur)); cur = nextCur; } cur++; int nextCur = parseSignature(signature, cur); returnType = signature.substring(cur, nextCur); assert nextCur == signature.length(); } else { returnType = null; } } private int parseSignature(String signature, int cur) { char first = signature.charAt(cur); switch (first) { case '[': return parseSignature(signature, cur + 1); case 'L': while (signature.charAt(cur) != ';') cur++; cur++; break; case 'V': case 'I': case 'B': case 'C': case 'D': case 'F': case 'J': case 'S': case 'Z': cur++; break; default: assert false; } return cur; } @Override public int argumentCount(boolean withReceiver) { return arguments.size() + (withReceiver ? 1 : 0); } @Override public CiKind argumentKindAt(int index) { CiKind kind = CiKind.fromTypeString(arguments.get(index)); System.out.println("argument kind: " + index + " is " + kind); return kind; } @Override public int argumentSlots(boolean withReceiver) { int argSlots = 0; for (int i = 0; i < argumentCount(false); i++) { argSlots += argumentKindAt(i).sizeInSlots(); } return argSlots + (withReceiver ? 1 : 0); } @Override public RiType argumentTypeAt(int index, RiType accessingClass) { System.out.println("argument type at " + index); Object accessor = null; if (accessingClass instanceof HotSpotType) { accessor = ((HotSpotType)accessingClass).klassOop; } return VMEntries.RiSignature_lookupType(arguments.get(index), accessor); } @Override public String asString() { return originalString; } @Override public CiKind returnKind() { return CiKind.fromTypeString(returnType); } @Override public RiType returnType(RiType accessingClass) { return VMEntries.RiSignature_lookupType(returnType, accessingClass); } }