diff options
Diffstat (limited to 'core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMMacro.java')
| -rw-r--r-- | core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMMacro.java | 267 |
1 files changed, 176 insertions, 91 deletions
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMMacro.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMMacro.java index 6276fee6216..fed4a1793e0 100644 --- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMMacro.java +++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMMacro.java @@ -19,17 +19,19 @@ import java.util.List; import org.eclipse.cdt.core.CCorePlugin; import org.eclipse.cdt.core.dom.ILinkage; -import org.eclipse.cdt.core.dom.ast.DOMException; import org.eclipse.cdt.core.dom.ast.IASTFileLocation; import org.eclipse.cdt.core.dom.ast.IASTName; import org.eclipse.cdt.core.dom.ast.IASTPreprocessorMacroDefinition; import org.eclipse.cdt.core.dom.ast.IMacroBinding; -import org.eclipse.cdt.core.dom.ast.IScope; import org.eclipse.cdt.core.index.IIndexFile; import org.eclipse.cdt.core.index.IIndexMacro; import org.eclipse.cdt.core.parser.Keywords; import org.eclipse.cdt.core.parser.util.CharArrayUtils; -import org.eclipse.cdt.internal.core.dom.Linkage; +import org.eclipse.cdt.internal.core.index.IIndexBindingConstants; +import org.eclipse.cdt.internal.core.index.IIndexFragment; +import org.eclipse.cdt.internal.core.index.IIndexFragmentBinding; +import org.eclipse.cdt.internal.core.index.IIndexFragmentName; +import org.eclipse.cdt.internal.core.index.IIndexScope; import org.eclipse.cdt.internal.core.parser.scanner.MacroDefinitionParser; import org.eclipse.cdt.internal.core.pdom.PDOM; import org.eclipse.cdt.internal.core.pdom.db.Database; @@ -37,99 +39,121 @@ import org.eclipse.cdt.internal.core.pdom.db.IString; import org.eclipse.core.runtime.CoreException; /** - * Represents macros. - * - * @author Doug Schaefer + * Represents macro definitions. They are stored with the file and with a PDOMMacroContainer. The latter also + * contains the references to all macros with the same name. */ -public class PDOMMacro implements IIndexMacro, IASTFileLocation { - - private static final byte MACROSTYLE_OBJECT = 1; - private static final byte MACROSTYLE_FUNCTION= 2; +public class PDOMMacro implements IIndexMacro, IIndexFragmentBinding, IASTFileLocation { - private static final int NAME = 0; + private static final int CONTAINER = 0; private static final int FILE = 4; - private static final int NAME_OFFSET = 8; - private static final int NAME_LENGTH = 12; // short - private static final int FIRST_PARAMETER = 14; - private static final int EXPANSION = 18; - private static final int NEXT_MACRO = 22; - private static final int MACRO_STYLE = 26; // byte + private static final int PARAMETERS= 8; + private static final int EXPANSION = 12; + private static final int NEXT_IN_FILE = 16; + private static final int NEXT_IN_CONTAINER = 20; + private static final int PREV_IN_CONTAINER = 24; + private static final int NAME_OFFSET = 28; + private static final int NAME_LENGTH = 32; // short - private static final int RECORD_SIZE = 27; + private static final int RECORD_SIZE = 34; private static final char[][] UNINITIALIZED= {}; - private final PDOM pdom; - private final int record; - + private final PDOM fPDOM; + private final int fRecord; + private char[][] fParameterList= UNINITIALIZED; - private char[] fName; private char[] fExpansion; + private PDOMMacroContainer fContainer; + private PDOMMacroDefinitionName fDefinition; public PDOMMacro(PDOM pdom, int record) { - this.pdom = pdom; - this.record = record; + fPDOM = pdom; + fRecord = record; } - public PDOMMacro(PDOM pdom, IASTPreprocessorMacroDefinition macro, PDOMFile file) throws CoreException { - this.pdom = pdom; + public PDOMMacro(PDOM pdom, PDOMMacroContainer container, IASTPreprocessorMacroDefinition macro, PDOMFile file) throws CoreException { + final Database db= pdom.getDB(); + + fPDOM = pdom; + fRecord = db.malloc(RECORD_SIZE); + fContainer= container; - Database db = pdom.getDB(); - this.record = db.malloc(RECORD_SIZE); - IASTName name = macro.getName(); - IMacroBinding binding= (IMacroBinding) name.getBinding(); + final IASTName name = macro.getName(); + final IASTFileLocation fileloc = name.getFileLocation(); + final IMacroBinding binding= (IMacroBinding) name.getBinding(); + final char[][] params= binding.getParameterList(); - db.putInt(record + NAME, db.newString(name.toCharArray()).getRecord()); - db.putInt(record + FILE, file.getRecord()); - IASTFileLocation fileloc = name.getFileLocation(); - db.putInt(record + NAME_OFFSET, fileloc.getNodeOffset()); - db.putShort(record + NAME_LENGTH, (short) fileloc.getNodeLength()); - db.putInt(record + EXPANSION, db.newString(binding.getExpansionImage()).getRecord()); - setNextMacro(0); + db.putInt(fRecord + CONTAINER, container.getRecord()); + db.putInt(fRecord + FILE, file.getRecord()); + db.putInt(fRecord + EXPANSION, db.newString(binding.getExpansionImage()).getRecord()); + db.putInt(fRecord + NAME_OFFSET, fileloc.getNodeOffset()); + db.putShort(fRecord + NAME_LENGTH, (short) fileloc.getNodeLength()); - byte macroStyle= MACROSTYLE_OBJECT; - PDOMMacroParameter last = null; - char[][] params= binding.getParameterList(); if (params != null) { - macroStyle= MACROSTYLE_FUNCTION; - for (int i = params.length - 1; i >= 0; --i) { - PDOMMacroParameter pdomParam = new PDOMMacroParameter(pdom, params[i]); - if (last != null) - pdomParam.setNextParameter(last); - last = pdomParam; + StringBuilder buf= new StringBuilder(); + for (int i= 0; i < params.length; i++) { + buf.append(params[i]); + buf.append(','); } + db.putInt(fRecord + PARAMETERS, db.newString(buf.toString().toCharArray()).getRecord()); } - db.putInt(record + FIRST_PARAMETER, last != null ? last.getRecord() : 0); - db.putByte(record + MACRO_STYLE, macroStyle); + + fContainer.addDefinition(this); + } + + public PDOM getPDOM() { + return fPDOM; } public int getRecord() { - return record; + return fRecord; } public void delete() throws CoreException { - getNameInDB(pdom, record).delete(); + // Delete from the binding chain + PDOMMacro prevName = getPrevInContainer(); + PDOMMacro nextName = getNextInContainer(); + if (prevName != null) + prevName.setNextInContainer(nextName); + else { + PDOMMacroContainer container= getContainer(); + container.setFirstDefinition(nextName); + if (nextName == null && container.isOrphaned()) { + container.delete(container.getLinkageImpl()); + } + } + if (nextName != null) + nextName.setPrevInContainer(prevName); + + getExpansionInDB().delete(); - PDOMMacroParameter param = getFirstParameter(); - if (param != null) - param.delete(); - pdom.getDB().free(record); + final IString params = getParamListInDB(); + if (params != null) { + params.delete(); + } } - public static IString getNameInDB(PDOM pdom, int record) throws CoreException { - Database db = pdom.getDB(); - int rec = db.getInt(record + NAME); - return db.getString(rec); + public PDOMMacroContainer getContainer() throws CoreException { + if (fContainer == null) { + fContainer= new PDOMMacroContainer(fPDOM, fPDOM.getDB().getInt(fRecord + CONTAINER)); + } + return fContainer; } - + private IString getExpansionInDB() throws CoreException { - Database db = pdom.getDB(); - int rec = db.getInt(record + EXPANSION); + Database db = fPDOM.getDB(); + int rec = db.getInt(fRecord + EXPANSION); return db.getString(rec); } - + + private IString getParamListInDB() throws CoreException { + Database db = fPDOM.getDB(); + int rec = db.getInt(fRecord + PARAMETERS); + return rec == 0 ? null : db.getString(rec); + } + public PDOMMacro getNextMacro() throws CoreException { - int rec = pdom.getDB().getInt(record + NEXT_MACRO); - return rec != 0 ? new PDOMMacro(pdom, rec) : null; + int rec = fPDOM.getDB().getInt(fRecord + NEXT_IN_FILE); + return rec != 0 ? new PDOMMacro(fPDOM, rec) : null; } public void setNextMacro(PDOMMacro macro) throws CoreException { @@ -137,25 +161,50 @@ public class PDOMMacro implements IIndexMacro, IASTFileLocation { } private void setNextMacro(int rec) throws CoreException { - pdom.getDB().putInt(record + NEXT_MACRO, rec); + fPDOM.getDB().putInt(fRecord + NEXT_IN_FILE, rec); + } + + private PDOMMacro getPrevInContainer() throws CoreException { + return getMacroField(PREV_IN_CONTAINER); + } + + void setPrevInContainer(PDOMMacro macro) throws CoreException { + setMacroField(PREV_IN_CONTAINER, macro); + } + + public PDOMMacro getNextInContainer() throws CoreException { + return getMacroField(NEXT_IN_CONTAINER); + } + + void setNextInContainer(PDOMMacro macro) throws CoreException { + setMacroField(NEXT_IN_CONTAINER, macro); + } + + private void setMacroField(int offset, PDOMMacro macro) throws CoreException { + int namerec = macro != null ? macro.getRecord() : 0; + fPDOM.getDB().putInt(fRecord + offset, namerec); } - private PDOMMacroParameter getFirstParameter() throws CoreException { - int rec = pdom.getDB().getInt(record + FIRST_PARAMETER); - return rec != 0 ? new PDOMMacroParameter(pdom, rec) : null; + private PDOMMacro getMacroField(int offset) throws CoreException { + int namerec= fPDOM.getDB().getInt(fRecord + offset); + return namerec != 0 ? new PDOMMacro(fPDOM, namerec) : null; } - + public char[][] getParameterList() { if (fParameterList == UNINITIALIZED) { fParameterList= null; try { - byte style= pdom.getDB().getByte(record + MACRO_STYLE); - if (style == MACROSTYLE_FUNCTION) { + IString plist= getParamListInDB(); + if (plist != null) { List<char[]> paramList = new ArrayList<char[]>(); - PDOMMacroParameter param= getFirstParameter(); - while (param != null) { - paramList.add(param.getName().getChars()); - param = param.getNextParameter(); + final char[] cplist= plist.getChars(); + final int end = cplist.length; + int from= 0; + int to= CharArrayUtils.indexOf(',', cplist, from, end); + while (to > from) { + paramList.add(CharArrayUtils.extract(cplist, from, to-from)); + from= to+1; + to= CharArrayUtils.indexOf(',', cplist, from, end); } fParameterList= paramList.toArray(new char[paramList.size()][]); } @@ -179,24 +228,22 @@ public class PDOMMacro implements IIndexMacro, IASTFileLocation { } public char[] getNameCharArray() { - if (fName == null) { - try { - fName= getNameInDB(pdom, record).getChars(); - } catch (CoreException e) { - CCorePlugin.log(e); - fName= new char[] { ' ' }; - } + try { + return getContainer().getNameCharArray(); + } + catch (CoreException e) { + CCorePlugin.log(e); + return new char[]{' '}; } - return fName; } public String getName() { return new String(getNameCharArray()); } - public IIndexFile getFile() throws CoreException { - int filerec = pdom.getDB().getInt(record + FILE); - return filerec != 0 ? new PDOMFile(pdom, filerec) : null; + public PDOMFile getFile() throws CoreException { + int filerec = fPDOM.getDB().getInt(fRecord + FILE); + return filerec != 0 ? new PDOMFile(fPDOM, filerec) : null; } public int getEndingLineNumber() { @@ -205,7 +252,7 @@ public class PDOMMacro implements IIndexMacro, IASTFileLocation { public String getFileName() { try { - PDOMFile file = (PDOMFile) getFile(); + PDOMFile file = getFile(); if(file!=null) { /* * We need to spec. what this method can return to know @@ -236,7 +283,7 @@ public class PDOMMacro implements IIndexMacro, IASTFileLocation { public int getNodeLength() { try { - return pdom.getDB().getShort(record + NAME_LENGTH); + return fPDOM.getDB().getShort(fRecord + NAME_LENGTH); } catch (CoreException e) { CCorePlugin.log(e); return 0; @@ -245,7 +292,7 @@ public class PDOMMacro implements IIndexMacro, IASTFileLocation { public int getNodeOffset() { try { - return pdom.getDB().getInt(record + NAME_OFFSET); + return fPDOM.getDB().getInt(fRecord + NAME_OFFSET); } catch (CoreException e) { CCorePlugin.log(e); return 0; @@ -281,15 +328,53 @@ public class PDOMMacro implements IIndexMacro, IASTFileLocation { } public ILinkage getLinkage() throws CoreException { - return Linkage.NO_LINKAGE; + return getFile().getLinkage(); } - public IScope getScope() throws DOMException { + public IIndexScope getScope() { return null; } @SuppressWarnings("unchecked") public Object getAdapter(Class adapter) { + if (adapter.isAssignableFrom(PDOMMacro.class)) { + return this; + } + return null; + } + + public IIndexFragmentName getDefinition() { + if (fDefinition == null) { + fDefinition= new PDOMMacroDefinitionName(this); + } + return fDefinition; + } + + public IIndexFile getLocalToFile() throws CoreException { return null; } + + public String[] getQualifiedName() { + return new String[]{getName()}; + } + + public boolean isFileLocal() throws CoreException { + return false; + } + + public int getBindingConstant() { + return IIndexBindingConstants.MACRO_DEFINITION; + } + + public IIndexFragment getFragment() { + return fPDOM; + } + + public boolean hasDeclaration() throws CoreException { + return false; + } + + public boolean hasDefinition() throws CoreException { + return true; + } } |