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authorAndrew Niefer2004-07-15 17:01:58 -0400
committerAndrew Niefer2004-07-15 17:01:58 -0400
commit658a98966c4394ffb62fb8e2e042507e23be53b7 (patch)
treefd7e63b2bcac1aaddbc061bfd31f2b8d33dd2191
parent1e11fc16ef19f0b5187e9babb458e335bf25040f (diff)
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Start of removing java.util containers from the symbol table.
-rw-r--r--core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ParserSymbolTableTest.java147
-rw-r--r--core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/ContainerSymbol.java97
-rw-r--r--core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/IContainerSymbol.java6
-rw-r--r--core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/ParserSymbolTable.java98
-rw-r--r--core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/SpecializedSymbol.java4
-rw-r--r--core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/TemplateEngine.java10
-rw-r--r--core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/TemplateFactory.java3
-rw-r--r--core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner2/CharArrayMap.java14
-rw-r--r--core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner2/HashTable.java228
-rw-r--r--core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner2/ObjectMap.java80
-rw-r--r--core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner2/ObjectSet.java77
11 files changed, 581 insertions, 183 deletions
diff --git a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ParserSymbolTableTest.java b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ParserSymbolTableTest.java
index 7abf545205..462518b897 100644
--- a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ParserSymbolTableTest.java
+++ b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ParserSymbolTableTest.java
@@ -14,7 +14,6 @@ package org.eclipse.cdt.core.parser.tests;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
-import java.util.Map;
import junit.framework.TestCase;
@@ -44,6 +43,7 @@ import org.eclipse.cdt.internal.core.parser.pst.ParserSymbolTableException;
import org.eclipse.cdt.internal.core.parser.pst.StandardSymbolExtension;
import org.eclipse.cdt.internal.core.parser.pst.TypeFilter;
import org.eclipse.cdt.internal.core.parser.pst.TypeInfoProvider;
+import org.eclipse.cdt.internal.core.parser.scanner2.ObjectMap;
@@ -89,13 +89,12 @@ public class ParserSymbolTableTest extends TestCase {
IContainerSymbol compUnit = table.getCompilationUnit();
compUnit.addSymbol( x );
- Map declarations = compUnit.getContainedSymbols();
+ ObjectMap declarations = compUnit.getContainedSymbols();
assertEquals( 1, declarations.size() );
- Iterator iter = declarations.values().iterator();
- ISymbol contained = (ISymbol) iter.next();
+ ISymbol contained = (ISymbol) declarations.getAt( 0 );
- assertEquals( false, iter.hasNext() );
+ assertEquals( declarations.size(), 1 );
assertEquals( x, contained );
assertEquals( contained.getName(), "x" ); //$NON-NLS-1$
assertEquals( table.getTypeInfoProvider().numAllocated(), 0 );
@@ -3445,74 +3444,74 @@ public class ParserSymbolTableTest extends TestCase {
assertEquals( table.getTypeInfoProvider().numAllocated(), 0 );
}
- public void testBug52111RemoveSymbol() throws Exception{
- newTable();
-
- IDerivableContainerSymbol A = table.newDerivableContainerSymbol( "A", ITypeInfo.t_class ); //$NON-NLS-1$
- table.getCompilationUnit().addSymbol( A );
-
- ISymbol i = table.newSymbol( "i", ITypeInfo.t_int ); //$NON-NLS-1$
- A.addSymbol( i );
-
- IParameterizedSymbol f1 = table.newParameterizedSymbol( "f", ITypeInfo.t_function ); //$NON-NLS-1$
- A.addSymbol( f1 );
-
- IParameterizedSymbol f2 = table.newParameterizedSymbol( "f", ITypeInfo.t_function ); //$NON-NLS-1$
- f2.addParameter( ITypeInfo.t_int, 0, null, false );
-
- A.addSymbol( f2 );
-
- IDerivableContainerSymbol B = table.newDerivableContainerSymbol( "B", ITypeInfo.t_class ); //$NON-NLS-1$
- B.addParent( A );
-
- table.getCompilationUnit().addSymbol( B );
-
- ISymbol look = B.qualifiedLookup( "i" ); //$NON-NLS-1$
- assertEquals( look, i );
-
- Iterator iter = A.getContentsIterator();
- assertEquals( iter.next(), i );
- assertEquals( iter.next(), f1 );
- assertEquals( iter.next(), f2 );
- assertFalse( iter.hasNext() );
-
- assertTrue( A.removeSymbol( i ) );
-
- iter = A.getContentsIterator();
- assertEquals( iter.next(), f1 );
- assertEquals( iter.next(), f2 );
- assertFalse( iter.hasNext() );
-
- look = B.qualifiedLookup( "i" ); //$NON-NLS-1$
- assertNull( look );
-
- List params = new ArrayList();
-
- look = B.qualifiedFunctionLookup( "f", params ); //$NON-NLS-1$
- assertEquals( look, f1 );
-
- assertTrue( A.removeSymbol( f1 ) );
- iter = A.getContentsIterator();
- assertEquals( iter.next(), f2 );
- assertFalse( iter.hasNext() );
-
- look = B.qualifiedFunctionLookup( "f", params ); //$NON-NLS-1$
- assertNull( look );
-
- params.add( TypeInfoProvider.newTypeInfo( ITypeInfo.t_int, 0, null ) );
- look = B.qualifiedFunctionLookup( "f", params ); //$NON-NLS-1$
-
- assertEquals( look, f2 );
- assertTrue( A.removeSymbol( f2 ) );
-
- iter = A.getContentsIterator();
- assertFalse( iter.hasNext() );
-
- look = B.qualifiedFunctionLookup( "f", params ); //$NON-NLS-1$
- assertNull( look );
-
- assertEquals( A.getContainedSymbols().size(), 0 );
- assertEquals( table.getTypeInfoProvider().numAllocated(), 0 );
- }
+// public void testBug52111RemoveSymbol() throws Exception{
+// newTable();
+//
+// IDerivableContainerSymbol A = table.newDerivableContainerSymbol( "A", ITypeInfo.t_class ); //$NON-NLS-1$
+// table.getCompilationUnit().addSymbol( A );
+//
+// ISymbol i = table.newSymbol( "i", ITypeInfo.t_int ); //$NON-NLS-1$
+// A.addSymbol( i );
+//
+// IParameterizedSymbol f1 = table.newParameterizedSymbol( "f", ITypeInfo.t_function ); //$NON-NLS-1$
+// A.addSymbol( f1 );
+//
+// IParameterizedSymbol f2 = table.newParameterizedSymbol( "f", ITypeInfo.t_function ); //$NON-NLS-1$
+// f2.addParameter( ITypeInfo.t_int, 0, null, false );
+//
+// A.addSymbol( f2 );
+//
+// IDerivableContainerSymbol B = table.newDerivableContainerSymbol( "B", ITypeInfo.t_class ); //$NON-NLS-1$
+// B.addParent( A );
+//
+// table.getCompilationUnit().addSymbol( B );
+//
+// ISymbol look = B.qualifiedLookup( "i" ); //$NON-NLS-1$
+// assertEquals( look, i );
+//
+// Iterator iter = A.getContentsIterator();
+// assertEquals( iter.next(), i );
+// assertEquals( iter.next(), f1 );
+// assertEquals( iter.next(), f2 );
+// assertFalse( iter.hasNext() );
+//
+// assertTrue( A.removeSymbol( i ) );
+//
+// iter = A.getContentsIterator();
+// assertEquals( iter.next(), f1 );
+// assertEquals( iter.next(), f2 );
+// assertFalse( iter.hasNext() );
+//
+// look = B.qualifiedLookup( "i" ); //$NON-NLS-1$
+// assertNull( look );
+//
+// List params = new ArrayList();
+//
+// look = B.qualifiedFunctionLookup( "f", params ); //$NON-NLS-1$
+// assertEquals( look, f1 );
+//
+// assertTrue( A.removeSymbol( f1 ) );
+// iter = A.getContentsIterator();
+// assertEquals( iter.next(), f2 );
+// assertFalse( iter.hasNext() );
+//
+// look = B.qualifiedFunctionLookup( "f", params ); //$NON-NLS-1$
+// assertNull( look );
+//
+// params.add( TypeInfoProvider.newTypeInfo( ITypeInfo.t_int, 0, null ) );
+// look = B.qualifiedFunctionLookup( "f", params ); //$NON-NLS-1$
+//
+// assertEquals( look, f2 );
+// assertTrue( A.removeSymbol( f2 ) );
+//
+// iter = A.getContentsIterator();
+// assertFalse( iter.hasNext() );
+//
+// look = B.qualifiedFunctionLookup( "f", params ); //$NON-NLS-1$
+// assertNull( look );
+//
+// assertEquals( A.getContainedSymbols().size(), 0 );
+// assertEquals( table.getTypeInfoProvider().numAllocated(), 0 );
+// }
}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/ContainerSymbol.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/ContainerSymbol.java
index b2fed035e3..3ffe56b26c 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/ContainerSymbol.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/ContainerSymbol.java
@@ -22,7 +22,6 @@ import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
-import java.util.ListIterator;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.Set;
@@ -32,6 +31,8 @@ import org.eclipse.cdt.core.parser.ast.ASTAccessVisibility;
import org.eclipse.cdt.core.parser.ast.IASTMember;
import org.eclipse.cdt.core.parser.ast.IASTNode;
import org.eclipse.cdt.internal.core.parser.pst.ParserSymbolTable.LookupData;
+import org.eclipse.cdt.internal.core.parser.scanner2.ObjectMap;
+import org.eclipse.cdt.internal.core.parser.scanner2.ObjectSet;
/**
* @author aniefer
@@ -53,7 +54,7 @@ public class ContainerSymbol extends BasicSymbol implements IContainerSymbol {
ContainerSymbol copy = (ContainerSymbol)super.clone();
copy._usingDirectives = (_usingDirectives != Collections.EMPTY_LIST) ? (List) ((ArrayList)_usingDirectives).clone() : _usingDirectives;
- copy._containedSymbols = ( _containedSymbols != Collections.EMPTY_MAP )? (Map)((HashMap) _containedSymbols).clone() : _containedSymbols;
+ copy._containedSymbols = (ObjectMap) ( ( _containedSymbols != ObjectMap.EMPTY_MAP )? _containedSymbols.clone() : _containedSymbols );
copy._contents = (_contents != Collections.EMPTY_LIST) ? (List) ((ArrayList)_contents).clone() : _contents;
return copy;
@@ -242,41 +243,41 @@ public class ContainerSymbol extends BasicSymbol implements IContainerSymbol {
// getSymbolTable().pushCommand( command );
}
- public boolean removeSymbol( ISymbol symbol ){
- boolean removed = false;
-
- Map contained = getContainedSymbols();
-
- if( symbol != null && contained.containsKey( symbol.getName() ) ){
- Object obj = contained.get( symbol.getName() );
- if( obj instanceof ISymbol ){
- if( obj == symbol ){
- contained.remove( symbol.getName() );
- removed = true;
- }
- } else if ( obj instanceof List ){
- List list = (List) obj;
- if( list.remove( symbol ) ){
- if( list.size() == 1 ){
- contained.put( symbol.getName(), list.get( 0 ) );
- }
- removed = true;
- }
- }
- }
-
- if( removed ){
- ListIterator iter = getContents().listIterator( getContents().size() );
- while( iter.hasPrevious() ){
- if( iter.previous() == symbol ){
- iter.remove();
- break;
- }
- }
- }
-
- return removed;
- }
+// public boolean removeSymbol( ISymbol symbol ){
+// boolean removed = false;
+//
+// StringObjectMap contained = getContainedSymbols();
+//
+// if( symbol != null && contained.containsKey( symbol.getName() ) ){
+// Object obj = contained.get( symbol.getName() );
+// if( obj instanceof ISymbol ){
+// if( obj == symbol ){
+// contained.remove( symbol.getName() );
+// removed = true;
+// }
+// } else if ( obj instanceof List ){
+// List list = (List) obj;
+// if( list.remove( symbol ) ){
+// if( list.size() == 1 ){
+// contained.put( symbol.getName(), list.get( 0 ) );
+// }
+// removed = true;
+// }
+// }
+// }
+//
+// if( removed ){
+// ListIterator iter = getContents().listIterator( getContents().size() );
+// while( iter.hasPrevious() ){
+// if( iter.previous() == symbol ){
+// iter.remove();
+// break;
+// }
+// }
+// }
+//
+// return removed;
+// }
/* (non-Javadoc)
* @see org.eclipse.cdt.internal.core.parser.pst.IContainerSymbol#hasUsingDirectives()
@@ -422,13 +423,13 @@ public class ContainerSymbol extends BasicSymbol implements IContainerSymbol {
/* (non-Javadoc)
* @see org.eclipse.cdt.internal.core.parser.pst.IContainerSymbol#getContainedSymbols()
*/
- public Map getContainedSymbols(){
+ public ObjectMap getContainedSymbols(){
return _containedSymbols;
}
protected void putInContainedSymbols( String key, Object obj ){
- if( _containedSymbols == Collections.EMPTY_MAP ){
- _containedSymbols = new HashMap( );
+ if( _containedSymbols == ObjectMap.EMPTY_MAP ){
+ _containedSymbols = new ObjectMap( 4 );
}
_containedSymbols.put( key, obj );
}
@@ -667,7 +668,7 @@ public class ContainerSymbol extends BasicSymbol implements IContainerSymbol {
public IParameterizedSymbol unqualifiedFunctionLookup( String name, final List parameters ) throws ParserSymbolTableException{
//figure out the set of associated scopes first, so we can remove those that are searched
//during the normal lookup to avoid doing them twice
- final HashSet associated = new HashSet();
+ final ObjectSet associated = new ObjectSet(0);
//collect associated namespaces & classes.
int size = ( parameters == null ) ? 0 : parameters.size();
@@ -699,11 +700,11 @@ public class ContainerSymbol extends BasicSymbol implements IContainerSymbol {
}
LookupData data = new LookupData( name ){
- public HashSet getAssociated() { return assoc; }
- public List getParameters() { return params; }
- public TypeFilter getFilter() { return FUNCTION_FILTER; }
+ public ObjectSet getAssociated() { return assoc; }
+ public List getParameters() { return params; }
+ public TypeFilter getFilter() { return FUNCTION_FILTER; }
- final private HashSet assoc = associated;
+ final private ObjectSet assoc = associated;
final private List params = ( parameters == null ) ? Collections.EMPTY_LIST : parameters;
};
@@ -722,13 +723,13 @@ public class ContainerSymbol extends BasicSymbol implements IContainerSymbol {
//dump the hash to an array and iterate over the array because we
//could be removing items from the collection as we go and we don't
//want to get ConcurrentModificationExceptions
- Object [] scopes = associated.toArray();
+ Object [] scopes = associated.keyArray();
size = associated.size();
for( int i = 0; i < size; i++ ){
associatedScope = (IContainerSymbol) scopes[ i ];
- if( associated.contains( associatedScope ) ){
+ if( associated.containsKey( associatedScope ) ){
data.qualified = true;
data.ignoreUsingDirectives = true;
data.usingDirectivesOnly = false;
@@ -1191,7 +1192,7 @@ public class ContainerSymbol extends BasicSymbol implements IContainerSymbol {
private List _contents = Collections.EMPTY_LIST; //ordered list of all contents of this symbol
private List _usingDirectives = Collections.EMPTY_LIST; //collection of nominated namespaces
- private Map _containedSymbols = Collections.EMPTY_MAP; //declarations contained by us.
+ private ObjectMap _containedSymbols = ObjectMap.EMPTY_MAP; //declarations contained by us.
/* (non-Javadoc)
* @see org.eclipse.cdt.internal.core.parser.pst.IContainerSymbol#addTemplateId(org.eclipse.cdt.internal.core.parser.pst.ISymbol, java.util.List)
*/
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/IContainerSymbol.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/IContainerSymbol.java
index 3b7395d267..5c0b883061 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/IContainerSymbol.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/IContainerSymbol.java
@@ -15,8 +15,8 @@ package org.eclipse.cdt.internal.core.parser.pst;
import java.util.Iterator;
import java.util.List;
-import java.util.Map;
+import org.eclipse.cdt.internal.core.parser.scanner2.ObjectMap;
/**
* @author aniefer
@@ -40,7 +40,7 @@ public interface IContainerSymbol extends ISymbol {
public void addTemplateId( ISymbol symbol, List args ) throws ParserSymbolTableException;
- public boolean removeSymbol( ISymbol symbol );
+// public boolean removeSymbol( ISymbol symbol );
public boolean hasUsingDirectives();
public List getUsingDirectives();
@@ -73,7 +73,7 @@ public interface IContainerSymbol extends ISymbol {
public IUsingDeclarationSymbol addUsingDeclaration( String name ) throws ParserSymbolTableException;
public IUsingDeclarationSymbol addUsingDeclaration( String name, IContainerSymbol declContext ) throws ParserSymbolTableException;
- public Map getContainedSymbols();
+ public ObjectMap getContainedSymbols();
/**
* Lookup symbols matching the given prefix
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/ParserSymbolTable.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/ParserSymbolTable.java
index 8988d6b1a1..134f9159e3 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/ParserSymbolTable.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/ParserSymbolTable.java
@@ -16,7 +16,6 @@ package org.eclipse.cdt.internal.core.parser.pst;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
-import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
@@ -31,6 +30,8 @@ import org.eclipse.cdt.core.parser.ast.ASTAccessVisibility;
import org.eclipse.cdt.core.parser.ast.IASTMember;
import org.eclipse.cdt.core.parser.ast.IASTNode;
import org.eclipse.cdt.internal.core.parser.pst.IDerivableContainerSymbol.IParentSymbol;
+import org.eclipse.cdt.internal.core.parser.scanner2.ObjectSet;
+import org.eclipse.cdt.internal.core.parser.scanner2.ObjectMap;
/**
* @author aniefer
@@ -247,8 +248,8 @@ public class ParserSymbolTable {
temp = (IContainerSymbol) directives.get(i);
//namespaces are searched at most once
- if( !data.visited.contains( temp ) ){
- data.visited.add( temp );
+ if( !data.visited.containsKey( temp ) ){
+ data.visited.put( temp );
Map map = lookupInContained( data, temp );
foundSomething = ( map != null && !map.isEmpty() );
@@ -322,18 +323,19 @@ public class ParserSymbolTable {
data.getAssociated().remove( lookIn );
}
- Map declarations = lookIn.getContainedSymbols();
+ ObjectMap declarations = lookIn.getContainedSymbols();
- Iterator iterator = null;
+ int numKeys = -1;
+ int idx = 0;
if( data.isPrefixLookup() && declarations != Collections.EMPTY_MAP ){
- iterator = declarations.keySet().iterator();
+ numKeys = declarations.size();//iterator = declarations.keySet().iterator();
}
- String name = ( iterator != null && iterator.hasNext() ) ? (String) iterator.next() : data.name;
+ String name = ( numKeys > 0 ) ? (String) declarations.keyAt( idx++ ) : data.name;
while( name != null ) {
if( nameMatches( data, name ) ){
- obj = ( !declarations.isEmpty() ) ? declarations.get( name ) : null;
+ obj = ( declarations.size() > 0 ) ? declarations.get( name ) : null;
if( obj != null ){
obj = collectSymbol( data, obj );
@@ -348,12 +350,10 @@ public class ParserSymbolTable {
}
}
}
-
- if( iterator != null && iterator.hasNext() ){
- name = (String) iterator.next();
- } else {
- name = null;
- }
+ if( idx < numKeys )
+ name = (String) declarations.keyAt( idx++ );
+ else
+ name = null;
}
if( found != null && data.isPrefixLookup() )
found = new LinkedHashMap( found );
@@ -478,8 +478,8 @@ public class ParserSymbolTable {
int objListSize = ( objList != null ) ? objList.size() : 0;
ISymbol symbol = ( objList != null ) ? (ISymbol) objList.get( 0 ) : (ISymbol) object;
- Set functionSet = new HashSet();
- Set templateFunctionSet = new HashSet();
+ ObjectSet functionSet = ObjectSet.EMPTY_SET;
+ ObjectSet templateFunctionSet = ObjectSet.EMPTY_SET;
ISymbol obj = null;
IContainerSymbol cls = null;
@@ -500,9 +500,13 @@ public class ParserSymbolTable {
foundSymbol = foundSymbol.getForwardSymbol();
}
if( foundSymbol.getContainingSymbol().isType( ITypeInfo.t_template ) ){
- templateFunctionSet.add( foundSymbol );
+ if( templateFunctionSet == ObjectSet.EMPTY_SET )
+ templateFunctionSet = new ObjectSet( 2 );
+ templateFunctionSet.put( foundSymbol );
} else {
- functionSet.add( foundSymbol );
+ if( functionSet == ObjectSet.EMPTY_SET )
+ functionSet = new ObjectSet( 2 );
+ functionSet.put( foundSymbol );
}
} else {
@@ -561,24 +565,19 @@ public class ParserSymbolTable {
ambiguous = true;
}
- Iterator fnIter = null;
IParameterizedSymbol fn = null;
- if( !templateFunctionSet.isEmpty() ){
- fnIter = templateFunctionSet.iterator();
-
- for( int i = numTemplateFunctions; i > 0; i-- ){
- fn = (IParameterizedSymbol) fnIter.next();
+ if( numTemplateFunctions > 0 ){
+ for( int i = 0; i < numTemplateFunctions; i++ ){
+ fn = (IParameterizedSymbol) templateFunctionSet.keyAt( i );
if( cls.getContainingSymbol()!= fn.getContainingSymbol()){
ambiguous = true;
break;
}
}
}
- if( !functionSet.isEmpty() ){
- fnIter = functionSet.iterator();
-
- for( int i = numFunctions; i > 0; i-- ){
- fn = (IParameterizedSymbol) fnIter.next();
+ if( numFunctions > 0 ){
+ for( int i = 0; i < numFunctions; i++ ){
+ fn = (IParameterizedSymbol) functionSet.keyAt( i );
if( cls.getContainingSymbol()!= fn.getContainingSymbol()){
ambiguous = true;
break;
@@ -590,10 +589,15 @@ public class ParserSymbolTable {
if( numTemplateFunctions > 0 ){
if( data.getParameters() != null && ( !data.exactFunctionsOnly || data.getTemplateParameters() != null ) ){
List fns = TemplateEngine.selectTemplateFunctions( templateFunctionSet, data.getParameters(), data.getTemplateParameters() );
- if( fns != null )
+ if( fns != null ){
+ if( functionSet == ObjectSet.EMPTY_SET )
+ functionSet = new ObjectSet( fns.size() );
functionSet.addAll( fns );
+ }
numFunctions = functionSet.size();
} else {
+ if( functionSet == ObjectSet.EMPTY_SET )
+ functionSet = new ObjectSet( templateFunctionSet.size() );
functionSet.addAll( templateFunctionSet );
numFunctions += numTemplateFunctions;
}
@@ -606,7 +610,7 @@ public class ParserSymbolTable {
return obj;
}
} else if( numFunctions > 0 ) {
- return new ArrayList( functionSet );
+ return functionSet.toList();
}
if( ambiguous ){
@@ -648,9 +652,9 @@ public class ParserSymbolTable {
//use data to detect circular inheritance
if( data.inheritanceChain == null )
- data.inheritanceChain = new HashSet();
+ data.inheritanceChain = new ObjectSet( 2 );
- data.inheritanceChain.add( container );
+ data.inheritanceChain.put( container );
int size = scopes.size();
for( int i = 0; i < size; i++ )
@@ -660,9 +664,9 @@ public class ParserSymbolTable {
if( parent == null )
continue;
- if( !wrapper.isVirtual() || !data.visited.contains( parent ) ){
+ if( !wrapper.isVirtual() || !data.visited.containsKey( parent ) ){
if( wrapper.isVirtual() ){
- data.visited.add( parent );
+ data.visited.put( parent );
}
if( parent instanceof IDeferredTemplateInstance ){
@@ -673,7 +677,7 @@ public class ParserSymbolTable {
//if the inheritanceChain already contains the parent, then that
//is circular inheritance
- if( ! data.inheritanceChain.contains( parent ) ){
+ if( ! data.inheritanceChain.containsKey( parent ) ){
//is this name define in this scope?
if( parent instanceof IDerivableContainerSymbol ){
temp = lookupInContained( data, (IDerivableContainerSymbol) parent );
@@ -1383,7 +1387,7 @@ public class ParserSymbolTable {
temp = ((IUsingDirectiveSymbol) directives.get(i)).getNamespace();
//namespaces are searched at most once
- if( !data.visited.contains( temp ) ){
+ if( !data.visited.containsKey( temp ) ){
enclosing = getClosestEnclosingDeclaration( symbol, temp );
//the data.usingDirectives is a map from enclosing declaration to
@@ -1494,7 +1498,7 @@ public class ParserSymbolTable {
return -1;
}
- static protected void getAssociatedScopes( ISymbol symbol, HashSet associated ){
+ static protected void getAssociatedScopes( ISymbol symbol, ObjectSet associated ){
if( symbol == null ){
return;
}
@@ -1503,19 +1507,19 @@ public class ParserSymbolTable {
//namespaces in which its associated classes are defined
//if( symbol.getType() == TypeInfo.t_class ){
if( symbol instanceof IDerivableContainerSymbol ){
- associated.add( symbol );
- associated.add( symbol.getContainingSymbol() );
+ associated.put( symbol );
+ associated.put( symbol.getContainingSymbol() );
getBaseClassesAndContainingNamespaces( (IDerivableContainerSymbol) symbol, associated );
}
//if T is a union or enumeration type, its associated namespace is the namespace in
//which it is defined. if it is a class member, its associated class is the member's
//class
else if( symbol.getType() == ITypeInfo.t_union || symbol.getType() == ITypeInfo.t_enumeration ){
- associated.add( symbol.getContainingSymbol() );
+ associated.put( symbol.getContainingSymbol() );
}
}
- static private void getBaseClassesAndContainingNamespaces( IDerivableContainerSymbol obj, HashSet classes ){
+ static private void getBaseClassesAndContainingNamespaces( IDerivableContainerSymbol obj, ObjectSet classes ){
if( obj.getParents() != null ){
if( classes == null ){
return;
@@ -1531,9 +1535,9 @@ public class ParserSymbolTable {
base = wrapper.getParent();
//TODO: what about IDeferredTemplateInstance parents?
if( base instanceof IDerivableContainerSymbol ){
- classes.add( base );
+ classes.put( base );
if( base.getContainingSymbol().getType() == ITypeInfo.t_namespace ){
- classes.add( base.getContainingSymbol());
+ classes.put( base.getContainingSymbol());
}
getBaseClassesAndContainingNamespaces( (IDerivableContainerSymbol) base, classes );
@@ -2221,8 +2225,8 @@ public class ParserSymbolTable {
public String name;
public Map usingDirectives;
- public Set visited = new HashSet(); //used to ensure we don't visit things more than once
- public HashSet inheritanceChain; //used to detect circular inheritance
+ public ObjectSet visited = new ObjectSet(0); //used to ensure we don't visit things more than once
+ public ObjectSet inheritanceChain; //used to detect circular inheritance
public ISymbol templateMember; //to assit with template member defs
public boolean qualified = false;
@@ -2244,7 +2248,7 @@ public class ParserSymbolTable {
public Set getAmbiguities() { return null; }
public void addAmbiguity(String n ) { /*nothing*/ }
public List getParameters() { return null; } //parameter info for resolving functions
- public HashSet getAssociated() { return null; } //associated namespaces for argument dependant lookup
+ public ObjectSet getAssociated() { return null; } //associated namespaces for argument dependant lookup
public ISymbol getStopAt() { return null; } //stop looking along the stack once we hit this declaration
public List getTemplateParameters() { return null; } //template parameters
public TypeFilter getFilter() { return ANY_FILTER; }
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/SpecializedSymbol.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/SpecializedSymbol.java
index 32828a2553..fc0f7a832e 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/SpecializedSymbol.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/SpecializedSymbol.java
@@ -16,7 +16,6 @@ package org.eclipse.cdt.internal.core.parser.pst;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
-import java.util.Iterator;
import java.util.List;
import java.util.Map;
@@ -101,8 +100,7 @@ public class SpecializedSymbol extends TemplateSymbol implements ISpecializedSym
IContainerSymbol symbol = null;
if( getContainedSymbols().size() == 1 ){
- Iterator iter = getContainedSymbols().keySet().iterator();
- symbol = (IContainerSymbol)getContainedSymbols().get( iter.next() );
+ symbol = (IContainerSymbol)getContainedSymbols().getAt( 0 );
}
instance = (IContainerSymbol) symbol.instantiate( this, argMap );
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/TemplateEngine.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/TemplateEngine.java
index 330350b798..86bf63baf9 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/TemplateEngine.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/TemplateEngine.java
@@ -20,6 +20,7 @@ import java.util.Set;
import org.eclipse.cdt.internal.core.parser.pst.IDerivableContainerSymbol.IParentSymbol;
import org.eclipse.cdt.internal.core.parser.pst.ParserSymbolTable.Cost;
+import org.eclipse.cdt.internal.core.parser.scanner2.ObjectSet;
/**
* @author aniefer
@@ -891,16 +892,17 @@ public final class TemplateEngine {
return info;
}
- static protected List selectTemplateFunctions( Set templates, List functionArguments, List templateArguments ) throws ParserSymbolTableException{
+ static protected List selectTemplateFunctions( ObjectSet templates, List functionArguments, List templateArguments ) throws ParserSymbolTableException{
if( templates == null || templates.size() == 0 )
return null;
List instances = null;
- Iterator iter = templates.iterator();
+ //Iterator iter = templates.iterator();
+ int size = templates.size();
- outer: while( iter.hasNext() ){
- IParameterizedSymbol fn = (IParameterizedSymbol) iter.next();
+ outer: for( int idx = 0; idx < size; idx++ ){
+ IParameterizedSymbol fn = (IParameterizedSymbol) templates.keyAt( idx );
ITemplateSymbol template = (ITemplateSymbol) fn.getContainingSymbol();
Map map = deduceTemplateArguments( template, functionArguments );
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/TemplateFactory.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/TemplateFactory.java
index 974078ca1b..b01c2f733b 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/TemplateFactory.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/TemplateFactory.java
@@ -21,6 +21,7 @@ import org.eclipse.cdt.core.parser.ast.ASTAccessVisibility;
import org.eclipse.cdt.internal.core.parser.ast.complete.ASTTemplateDeclaration;
import org.eclipse.cdt.internal.core.parser.ast.complete.ASTTemplateInstantiation;
import org.eclipse.cdt.internal.core.parser.ast.complete.ASTTemplateSpecialization;
+import org.eclipse.cdt.internal.core.parser.scanner2.ObjectMap;
/**
* @author aniefer
@@ -575,7 +576,7 @@ public class TemplateFactory extends ExtensibleSymbol implements ITemplateFactor
/* (non-Javadoc)
* @see org.eclipse.cdt.internal.core.parser.pst.IContainerSymbol#getContainedSymbols()
*/
- public Map getContainedSymbols() {
+ public ObjectMap getContainedSymbols() {
return null;
}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner2/CharArrayMap.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner2/CharArrayMap.java
index 1459b2ab5e..ab3a4ad5d4 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner2/CharArrayMap.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner2/CharArrayMap.java
@@ -35,7 +35,7 @@ public abstract class CharArrayMap {
}
private int hash(char[] buffer, int start, int len) {
- return CharArrayUtils.hash(buffer, start, len) & (keyTable.length - 1);
+ return CharArrayUtils.hash(buffer, start, len) & (hashTable.length - 1);
}
private int hash(char[] buffer) {
@@ -80,8 +80,12 @@ public abstract class CharArrayMap {
int hash = hash(buffer, start, len);
if (hashTable[hash] == 0) {
- if (++currEntry >= keyTable.length)
+ if( (currEntry + 1) >= keyTable.length){
+ //need to recompute hash for this add, recurse.
resize();
+ return add( buffer, start, len );
+ }
+ currEntry++;
keyTable[currEntry] = CharArrayUtils.extract(buffer, start, len);
insert(currEntry, hash);
return currEntry;
@@ -102,8 +106,12 @@ public abstract class CharArrayMap {
}
// nope, add it in
- if (++currEntry >= keyTable.length)
+ if (++currEntry >= keyTable.length){
+ //need to recompute hash for this add, recurse
resize();
+ return add( buffer, start, len );
+ }
+ currEntry++;
keyTable[currEntry] = CharArrayUtils.extract(buffer, start, len);
nextTable[last] = currEntry + 1;
return currEntry;
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner2/HashTable.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner2/HashTable.java
new file mode 100644
index 0000000000..c81c9520a2
--- /dev/null
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner2/HashTable.java
@@ -0,0 +1,228 @@
+/*******************************************************************************
+ * Copyright (c) 2004 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ *
+ * Contributors:
+ * IBM Corporation - initial API and implementation
+ *******************************************************************************/
+
+/*
+ * For use by the Parser Symbol Table
+ * Created on Jul 15, 2004
+ */
+package org.eclipse.cdt.internal.core.parser.scanner2;
+
+
+/**
+ * @author aniefer
+ */
+public abstract class HashTable implements Cloneable{
+
+ private Object[] keyTable;
+ private int[] hashTable;
+ private int[] nextTable;
+
+
+ protected int currEntry = -1;
+
+ public HashTable(int initialSize) {
+ int size = 1;
+ while (size < initialSize)
+ size <<= 1;
+
+ keyTable = new Object[size];
+ hashTable = new int[size * 2];
+ nextTable = new int[size];
+ }
+
+ public Object clone(){
+ HashTable newTable = null;
+ try {
+ newTable = (HashTable) super.clone();
+ } catch ( CloneNotSupportedException e ) {
+ //shouldn't happen because object supports clone.
+ return null;
+ }
+
+ int size = capacity();
+ newTable.keyTable = new Object[ size ];
+ newTable.hashTable = new int[ size*2 ];
+ newTable.nextTable = new int[ size ];
+
+ System.arraycopy(keyTable, 0, newTable.keyTable, 0, keyTable.length);
+ System.arraycopy(hashTable, 0, newTable.hashTable, 0, hashTable.length);
+ System.arraycopy(nextTable, 0, newTable.nextTable, 0, nextTable.length);
+
+ newTable.currEntry = currEntry;
+ return newTable;
+ }
+
+ public int size(){
+ return currEntry + 1;
+ }
+
+ public Object keyAt( int i ){
+ if( i < 0 || i > currEntry )
+ return null;
+
+ return keyTable[ i ];
+ }
+
+ public void clear(){
+ for( int i = 0; i < keyTable.length; i++ ){
+ keyTable[i] = null;
+ hashTable[ 2*i ] = 0;
+ hashTable[ 2*i + 1 ] = 0;
+ nextTable[i] = 0;
+ }
+ currEntry = -1;
+ }
+
+ protected int capacity() {
+ return keyTable.length;
+ }
+
+ private int hash(Object obj) {
+ return obj.hashCode() & (hashTable.length - 1);
+ }
+
+ private void insert(int i) {
+ insert(i, hash(keyTable[i]));
+ }
+
+ private void insert(int i, int hash) {
+
+ if (hashTable[hash] == 0) {
+ hashTable[hash] = i + 1;
+ } else {
+ // need to link
+ int j = hashTable[hash] - 1;
+ while (nextTable[j] != 0)
+ j = nextTable[j] - 1;
+ nextTable[j] = i + 1;
+ }
+ }
+
+ protected void resize(int size) {
+ Object[] oldKeyTable = keyTable;
+ keyTable = new Object[size];
+ System.arraycopy(oldKeyTable, 0, keyTable, 0, oldKeyTable.length);
+
+ // Need to rehash everything
+ hashTable = new int[size * 2];
+ nextTable = new int[size];
+ for (int i = 0; i < oldKeyTable.length; ++i) {
+ insert(i);
+ }
+ }
+
+ private void resize() {
+ resize(keyTable.length << 1);
+ }
+
+ protected final int add(Object obj) {
+ int hash = hash(obj);
+
+ if (hashTable[hash] == 0) {
+ if ( (currEntry + 1) >= keyTable.length){
+ resize();
+ //hash code needs to be recomputed, just recurse.
+ return add( obj );
+ }
+ currEntry++;
+ keyTable[currEntry] = obj;
+ insert(currEntry, hash);
+ return currEntry;
+ }
+ // is the key already registered?
+ int i = hashTable[hash] - 1;
+ if ( obj.equals( keyTable[i] ) )
+ // yup
+ return i;
+
+ // follow the next chain
+ int last = i;
+ for (i = nextTable[i] - 1; i >= 0; i = nextTable[i] - 1) {
+ if (obj.equals( keyTable[i] ) )
+ // yup this time
+ return i;
+ last = i;
+ }
+
+ // nope, add it in
+ if ( (currEntry + 1) >= keyTable.length){
+ resize();
+ //hash code needs to be recomputed, just recurse.
+ return add( obj );
+ }
+ currEntry++;
+ keyTable[currEntry] = obj;
+ nextTable[last] = currEntry + 1;
+ return currEntry;
+ }
+
+ protected void removeEntry(int i) {
+ // Remove the hash entry
+ int hash = hash(keyTable[i]);
+ if (hashTable[hash] == i + 1)
+ hashTable[hash] = nextTable[i];
+ else {
+ // find entry pointing to me
+ int j = hashTable[hash] - 1;
+ while (nextTable[j] != 0 && nextTable[j] != i + 1)
+ j = nextTable[j] - 1;
+ nextTable[j] = nextTable[i];
+ }
+
+ if (i < currEntry) {
+ // shift everything over
+ System.arraycopy(keyTable, i + 1, keyTable, i, currEntry - i);
+ System.arraycopy(nextTable, i + 1, nextTable, i, currEntry - i);
+
+ // adjust hash and next entries for things that moved
+ for (int j = 0; j < hashTable.length; ++j)
+ if (hashTable[j] > i)
+ --hashTable[j];
+
+ for (int j = 0; j < nextTable.length; ++j)
+ if (nextTable[j] > i)
+ --nextTable[j];
+ }
+
+ // last entry is now free
+ keyTable[currEntry] = null;
+ nextTable[currEntry] = 0;
+ --currEntry;
+ }
+
+ protected final int lookup(Object buffer ){
+ int hash = hash(buffer);
+
+ if (hashTable[hash] == 0)
+ return -1;
+
+ int i = hashTable[hash] - 1;
+ if (buffer.equals( keyTable[i] ) )
+ return i;
+
+ // Follow the next chain
+ for (i = nextTable[i] - 1; i >= 0; i = nextTable[i] - 1)
+ if ( buffer.equals( keyTable[i] ))
+ return i;
+
+ return -1;
+ }
+
+ public boolean containsKey( Object key ){
+ return lookup( key ) != -1;
+ }
+
+ public Object [] keyArray(){
+ Object [] keys = new Object[ size() ];
+ System.arraycopy( keyTable, 0, keys, 0, keys.length );
+ return keys;
+ }
+}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner2/ObjectMap.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner2/ObjectMap.java
new file mode 100644
index 0000000000..8d568b5478
--- /dev/null
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner2/ObjectMap.java
@@ -0,0 +1,80 @@
+/*******************************************************************************
+ * Copyright (c) 2004 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ *
+ * Contributors:
+ * IBM Corporation - initial API and implementation
+ *******************************************************************************/
+
+/*
+ * cloned from CharArrayMap & CharArrayObjectMap
+ * Created on Jul 14, 2004
+ */
+package org.eclipse.cdt.internal.core.parser.scanner2;
+
+
+/**
+ * @author aniefer
+ */
+public class ObjectMap extends HashTable{
+ public static final ObjectMap EMPTY_MAP = new ObjectMap( 0 ){
+ public Object clone() { return this; }
+ public Object put( Object key, Object value ) { throw new UnsupportedOperationException(); }
+ };
+
+ private Object[] valueTable;
+
+ public ObjectMap(int initialSize) {
+ super( initialSize );
+
+ valueTable = new Object[ capacity() ];
+ }
+
+ public Object clone(){
+ ObjectMap newMap = (ObjectMap) super.clone();
+
+ newMap.valueTable = new Object[ capacity() ];
+
+ System.arraycopy(valueTable, 0, newMap.valueTable, 0, valueTable.length);
+ return newMap;
+ }
+
+ public void clear(){
+ super.clear();
+ for( int i = 0; i < valueTable.length; i++ ){
+ valueTable[i] = null;
+ }
+ }
+
+ protected void resize(int size) {
+ Object[] oldValueTable = valueTable;
+ valueTable = new Object[size];
+ System.arraycopy(oldValueTable, 0, valueTable, 0, oldValueTable.length);
+
+ super.resize( size );
+ }
+
+ public Object put(Object key, Object value) {
+ int i = add(key);
+ Object oldvalue = valueTable[i];
+ valueTable[i] = value;
+ return oldvalue;
+ }
+
+ public Object get(Object key) {
+ int i = lookup(key);
+ if (i >= 0)
+ return valueTable[i];
+ return null;
+ }
+
+ public Object getAt( int i ){
+ if( i < 0 || i > currEntry )
+ return null;
+
+ return get( keyAt( i ) );
+ }
+}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner2/ObjectSet.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner2/ObjectSet.java
new file mode 100644
index 0000000000..e7eb2c3b50
--- /dev/null
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner2/ObjectSet.java
@@ -0,0 +1,77 @@
+/*******************************************************************************
+ * Copyright (c) 2004 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ *
+ * Contributors:
+ * IBM Corporation - initial API and implementation
+ *******************************************************************************/
+
+/*
+ * Created on Jul 15, 2004
+ */
+package org.eclipse.cdt.internal.core.parser.scanner2;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * @author aniefer
+ */
+public class ObjectSet extends HashTable{
+ public static final ObjectSet EMPTY_SET = new ObjectSet( 0 ){
+ public Object clone() { return this; }
+ public List toList() { return Collections.EMPTY_LIST; }
+ public void put( Object key ) { throw new UnsupportedOperationException(); }
+ public void addAll( List list ) { throw new UnsupportedOperationException(); }
+ public void addAll( ObjectSet set ) { throw new UnsupportedOperationException(); }
+ };
+
+ public ObjectSet(int initialSize) {
+ super( initialSize );
+ }
+
+ public void put(Object key ){
+ add(key);
+ }
+
+ public void addAll( List list ){
+ if( list == null )
+ return;
+
+ int size = list.size();
+ for( int i = 0; i < size; i++ ){
+ add( list.get( i ) );
+ }
+ }
+
+ public void addAll( ObjectSet set ){
+ if( set == null )
+ return;
+ int size = set.size();
+ for( int i = 0; i < size; i++ ){
+ add( set.keyAt( i ) );
+ }
+ }
+
+ public List toList(){
+ List list = new ArrayList( size() );
+ int size = size();
+ for( int i = 0; i < size; i++ ){
+ list.add( keyAt( i ) );
+ }
+ return list;
+ }
+
+ public boolean remove( Object key ) {
+ int i = lookup(key);
+ if (i < 0)
+ return false;
+
+ removeEntry(i);
+ return true;
+ }
+}

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