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External C bindings

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This commit is contained in:
Andrew Niefer 2005-01-26 21:19:45 +00:00
parent eea3244085
commit 47c65486a6
5 changed files with 241 additions and 1 deletions
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48
core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2Tests.java
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@ -25,7 +25,6 @@ import org.eclipse.cdt.core.dom.ast.IASTFieldReference;
import org.eclipse.cdt.core.dom.ast.IASTForStatement;
import org.eclipse.cdt.core.dom.ast.IASTFunctionCallExpression;
import org.eclipse.cdt.core.dom.ast.IASTFunctionDeclarator;
import org.eclipse.cdt.core.dom.ast.IASTStandardFunctionDeclarator;
import org.eclipse.cdt.core.dom.ast.IASTFunctionDefinition;
import org.eclipse.cdt.core.dom.ast.IASTIdExpression;
import org.eclipse.cdt.core.dom.ast.IASTIfStatement;
@ -39,6 +38,7 @@ import org.eclipse.cdt.core.dom.ast.IASTParameterDeclaration;
import org.eclipse.cdt.core.dom.ast.IASTReturnStatement;
import org.eclipse.cdt.core.dom.ast.IASTSimpleDeclSpecifier;
import org.eclipse.cdt.core.dom.ast.IASTSimpleDeclaration;
import org.eclipse.cdt.core.dom.ast.IASTStandardFunctionDeclarator;
import org.eclipse.cdt.core.dom.ast.IASTStatement;
import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit;
import org.eclipse.cdt.core.dom.ast.IASTTypeIdExpression;
@ -67,6 +67,7 @@ import org.eclipse.cdt.core.dom.ast.c.ICASTEnumerationSpecifier;
import org.eclipse.cdt.core.dom.ast.c.ICASTFieldDesignator;
import org.eclipse.cdt.core.dom.ast.c.ICASTPointer;
import org.eclipse.cdt.core.dom.ast.c.ICArrayType;
import org.eclipse.cdt.core.dom.ast.c.ICExternalBinding;
import org.eclipse.cdt.core.dom.ast.c.ICFunctionScope;
import org.eclipse.cdt.core.dom.ast.c.ICScope;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTPointerToMember;
@ -2129,4 +2130,49 @@ public class AST2Tests extends AST2BaseTest {
assertFalse( mod.isVolatile() );
}
public void testExternalVariable() throws Exception
{
StringBuffer buffer = new StringBuffer();
buffer.append( "void f() { \n" ); //$NON-NLS-1$
buffer.append( " if( a == 0 ) \n" ); //$NON-NLS-1$
buffer.append( " a = a + 3; \n" ); //$NON-NLS-1$
buffer.append( "} \n" ); //$NON-NLS-1$
IASTTranslationUnit tu = parse( buffer.toString(), ParserLanguage.C );
CNameCollector col = new CNameCollector();
CVisitor.visitTranslationUnit( tu, col );
IVariable a = (IVariable) col.getName( 1 ).resolveBinding();
assertNotNull( a );
assertTrue( a instanceof ICExternalBinding );
assertInstances( col, a, 3 );
}
public void testExternalDefs() throws Exception
{
StringBuffer buffer = new StringBuffer();
buffer.append( "void f() { \n" ); //$NON-NLS-1$
buffer.append( " if( a == 0 ) \n" ); //$NON-NLS-1$
buffer.append( " g( a ); \n" ); //$NON-NLS-1$
buffer.append( " if( a < 0 ) \n" ); //$NON-NLS-1$
buffer.append( " g( a >> 1 ); \n" ); //$NON-NLS-1$
buffer.append( " if( a > 0 ) \n" ); //$NON-NLS-1$
buffer.append( " g( *(&a + 2) ); \n" ); //$NON-NLS-1$
buffer.append( "} \n" ); //$NON-NLS-1$
IASTTranslationUnit tu = parse( buffer.toString(), ParserLanguage.C );
CNameCollector col = new CNameCollector();
CVisitor.visitTranslationUnit( tu, col );
IVariable a = (IVariable) col.getName( 1 ).resolveBinding();
IFunction g = (IFunction) col.getName( 2 ).resolveBinding();
assertNotNull( a );
assertNotNull( g );
assertTrue( a instanceof ICExternalBinding );
assertTrue( g instanceof ICExternalBinding );
assertEquals( col.size(), 10 );
assertInstances( col, a, 6 );
assertInstances( col, g, 3 );
}
}

24
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/c/ICExternalBinding.java Normal file
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@ -0,0 +1,24 @@
/*******************************************************************************
* 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 Jan 26, 2005
*/
package org.eclipse.cdt.core.dom.ast.c;
import org.eclipse.cdt.core.dom.ast.IBinding;
/**
* @author aniefer
*/
public interface ICExternalBinding extends IBinding {
}

83
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CExternalFunction.java Normal file
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@ -0,0 +1,83 @@
/*******************************************************************************
* 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 Jan 26, 2005
*/
package org.eclipse.cdt.internal.core.dom.parser.c;
import org.eclipse.cdt.core.dom.ast.IASTName;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit;
import org.eclipse.cdt.core.dom.ast.IFunction;
import org.eclipse.cdt.core.dom.ast.IFunctionType;
import org.eclipse.cdt.core.dom.ast.IParameter;
import org.eclipse.cdt.core.dom.ast.IScope;
import org.eclipse.cdt.core.dom.ast.c.ICExternalBinding;
/**
* @author aniefer
*/
public class CExternalFunction implements IFunction, ICExternalBinding {
private IASTName name = null;
private IASTTranslationUnit tu = null;
public CExternalFunction( IASTTranslationUnit tu, IASTName name ) {
this.name = name;
this.tu = tu;
}
public IASTNode getPhysicalNode(){
return null;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IFunction#getParameters()
*/
public IParameter[] getParameters() {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IFunction#getFunctionScope()
*/
public IScope getFunctionScope() {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IFunction#getType()
*/
public IFunctionType getType() {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IBinding#getName()
*/
public String getName() {
return name.toString();
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IBinding#getNameCharArray()
*/
public char[] getNameCharArray() {
return name.toCharArray();
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IBinding#getScope()
*/
public IScope getScope() {
return tu.getScope();
}
}

65
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CExternalVariable.java Normal file
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@ -0,0 +1,65 @@
/*******************************************************************************
* 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 Jan 26, 2005
*/
package org.eclipse.cdt.internal.core.dom.parser.c;
import org.eclipse.cdt.core.dom.ast.IASTName;
import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit;
import org.eclipse.cdt.core.dom.ast.IScope;
import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.IVariable;
import org.eclipse.cdt.core.dom.ast.c.ICExternalBinding;
/**
* @author aniefer
*/
public class CExternalVariable implements ICExternalBinding, IVariable {
private IASTTranslationUnit tu;
private IASTName name;
/**
* @param name
*/
public CExternalVariable( IASTTranslationUnit tu, IASTName name ) {
this.name = name;
this.tu = tu;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IBinding#getName()
*/
public String getName() {
return name.toString();
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IBinding#getNameCharArray()
*/
public char[] getNameCharArray() {
return name.toCharArray();
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IBinding#getScope()
*/
public IScope getScope() {
return tu.getScope();
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IVariable#getType()
*/
public IType getType() {
return null;
}
}

22
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CVisitor.java
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@ -898,11 +898,33 @@ public class CVisitor {
blockItem = parent;
else
blockItem = null;
if( blockItem instanceof IASTTranslationUnit )
break;
}
if( blockItem != null)
return externalBinding( (IASTTranslationUnit) blockItem, name );
return null;
}
private static IBinding externalBinding( IASTTranslationUnit tu, IASTName name ){
IASTNode parent = name.getParent();
IBinding external = null;
if( parent instanceof IASTIdExpression ){
if( parent.getPropertyInParent() == IASTFunctionCallExpression.FUNCTION_NAME ){
//external function
external = new CExternalFunction( tu, name );
} else {
//external variable
external = new CExternalVariable( tu, name );
}
((CScope)tu.getScope()).addBinding( external );
}
return external;
}
private static IBinding checkForBinding( IASTDeclaration declaration, IASTName name ){
if( declaration instanceof IASTSimpleDeclaration ){
IASTSimpleDeclaration simpleDeclaration = (IASTSimpleDeclaration) declaration;