diff options
Diffstat (limited to 'core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner/GCCScannerExtension.java')
| -rw-r--r-- | core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner/GCCScannerExtension.java | 311 |
1 files changed, 0 insertions, 311 deletions
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner/GCCScannerExtension.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner/GCCScannerExtension.java deleted file mode 100644 index ff885aacc86..00000000000 --- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner/GCCScannerExtension.java +++ /dev/null @@ -1,311 +0,0 @@ -/********************************************************************** - * Copyright (c) 2002,2004 IBM Rational Software and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Common Public License v0.5 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v05.html - * - * Contributors: - * IBM Rational Software - Initial API and implementation -***********************************************************************/ -package org.eclipse.cdt.internal.core.parser.scanner; - -import java.util.HashMap; -import java.util.HashSet; -import java.util.Iterator; -import java.util.Map; -import java.util.Set; - -import org.eclipse.cdt.core.parser.CodeReader; -import org.eclipse.cdt.core.parser.GCCKeywords; -import org.eclipse.cdt.core.parser.IGCCToken; -import org.eclipse.cdt.core.parser.IScanner; -import org.eclipse.cdt.core.parser.IToken; -import org.eclipse.cdt.core.parser.Keywords; -import org.eclipse.cdt.core.parser.ParserLanguage; -import org.eclipse.cdt.core.parser.ast.IASTInclusion; -import org.eclipse.cdt.core.parser.extension.IScannerExtension; -import org.eclipse.cdt.internal.core.parser.scanner.ScannerUtility.InclusionParseException; -import org.eclipse.cdt.internal.core.parser.token.TokenFactory; -import org.eclipse.cdt.internal.core.parser.util.TraceUtil; - -/** - * @author jcamelon - */ -public class GCCScannerExtension implements IScannerExtension { - - protected static final ObjectMacroDescriptor STDC_VERSION_MACRO = new ObjectMacroDescriptor( IScanner.__STDC_VERSION__, "199001L"); //$NON-NLS-1$ - protected static final ObjectMacroDescriptor STDC_HOSTED_MACRO = new ObjectMacroDescriptor( IScanner.__STDC_HOSTED__, "0"); //$NON-NLS-1$ - protected static final ObjectMacroDescriptor CPLUSPLUS_MACRO = new ObjectMacroDescriptor( IScanner.__CPLUSPLUS, "1"); //$NON-NLS-1$ - private static final String [] simpleIdentifiersDeclSpec; - private static final String [] simpleIdentifiersAttribute; - static - { - simpleIdentifiersDeclSpec = new String[ 1 ]; - simpleIdentifiersDeclSpec[0]= "x"; //$NON-NLS-1$ - - simpleIdentifiersAttribute = new String[ 1 ]; - simpleIdentifiersAttribute[0] = "xyz"; //$NON-NLS-1$ - } - - - protected static final String POUND_IDENT = "#ident"; //$NON-NLS-1$ - protected static final String POUND_WARNING = "#warning"; //$NON-NLS-1$ - protected static final String POUND_INCLUDE_NEXT = "#include_next"; //$NON-NLS-1$ - - private static final String __CONST__ = "__const__"; //$NON-NLS-1$ - protected static final ObjectMacroDescriptor __CONST__MACRO = new ObjectMacroDescriptor( __CONST__, Keywords.CONST ); - private static final String __CONST = "__const"; //$NON-NLS-1$ - protected static final ObjectMacroDescriptor __CONST_MACRO = new ObjectMacroDescriptor( __CONST, Keywords.CONST ); - private static final String __INLINE__ = "__inline__"; //$NON-NLS-1$ - protected static final ObjectMacroDescriptor __INLINE__MACRO = new ObjectMacroDescriptor( __INLINE__, Keywords.INLINE ); - private static final String __VOLATILE__ = "__volatile__"; //$NON-NLS-1$ - protected static final ObjectMacroDescriptor __VOLATILE__MACRO = new ObjectMacroDescriptor( __VOLATILE__, Keywords.VOLATILE ); - private static final String __SIGNED__ = "__signed__"; //$NON-NLS-1$ - private static final ObjectMacroDescriptor __SIGNED__MACRO = new ObjectMacroDescriptor( __SIGNED__, Keywords.SIGNED ); - private static final String __RESTRICT = "__restrict"; //$NON-NLS-1$ - private static final String __RESTRICT__ = "__restrict__"; //$NON-NLS-1$ - private static final ObjectMacroDescriptor __RESTRICT__MACRO = new ObjectMacroDescriptor( __RESTRICT__, Keywords.RESTRICT ); - private static final String __ASM__ = "__asm__"; //$NON-NLS-1$ - protected static final ObjectMacroDescriptor __ASM__MACRO = new ObjectMacroDescriptor( __ASM__, Keywords.ASM ); - private static final String __TYPEOF__ = "__typeof__"; //$NON-NLS-1$ - protected static final ObjectMacroDescriptor __TYPEOF__MACRO = new ObjectMacroDescriptor( __TYPEOF__, GCCKeywords.TYPEOF ); - - - private static final String __ATTRIBUTE__ = "__attribute__"; //$NON-NLS-1$ - private static final String __DECLSPEC = "__declspec"; //$NON-NLS-1$ - private static final IToken [] EMPTY_TOKEN_ARRAY = new IToken[0]; - protected static final FunctionMacroDescriptor DECLSPEC_MACRO = new FunctionMacroDescriptor( __ATTRIBUTE__, simpleIdentifiersDeclSpec, EMPTY_TOKEN_ARRAY, "" ); //$NON-NLS-1$ - - protected static final FunctionMacroDescriptor ATTRIBUTE_MACRO = new FunctionMacroDescriptor( __ATTRIBUTE__, simpleIdentifiersAttribute, EMPTY_TOKEN_ARRAY, "" ); //$NON-NLS-1$ - - private static final String __EXTENSION__ = "__extension__"; //$NON-NLS-1$ - private static final String EMPTY_STRING = ""; //$NON-NLS-1$ - protected static final ObjectMacroDescriptor EXTENSION_MACRO = new ObjectMacroDescriptor( __EXTENSION__, EMPTY_STRING ); - - /* (non-Javadoc) - * @see org.eclipse.cdt.core.parser.IScannerExtension#initializeMacroValue(java.lang.String) - */ - public String initializeMacroValue(IScannerData scannerData, String original) { - if( original == null || original.trim().equals( "") ) //$NON-NLS-1$ - return "1"; //$NON-NLS-1$ - return original; - } - - /* (non-Javadoc) - * @see org.eclipse.cdt.core.parser.IScannerExtension#setupBuiltInMacros() - */ - public void setupBuiltInMacros(IScannerData scannerData) { - - if( scannerData.getLanguage() == ParserLanguage.CPP ) - if( scannerData.getScanner().getDefinition( IScanner.__CPLUSPLUS ) == null ) - scannerData.getScanner().addDefinition( IScanner.__CPLUSPLUS, CPLUSPLUS_MACRO); - - if( scannerData.getScanner().getDefinition(IScanner.__STDC_HOSTED__) == null ) - scannerData.getScanner().addDefinition(IScanner.__STDC_HOSTED__, STDC_HOSTED_MACRO); - if( scannerData.getScanner().getDefinition( IScanner.__STDC_VERSION__) == null ) - scannerData.getScanner().addDefinition( IScanner.__STDC_VERSION__, STDC_VERSION_MACRO); - - // add these to private table - if( scannerData.getScanner().getDefinition( __ATTRIBUTE__) == null ) - scannerData.getPrivateDefinitions().put( __ATTRIBUTE__, ATTRIBUTE_MACRO); - - if( scannerData.getScanner().getDefinition( __DECLSPEC) == null ) - scannerData.getPrivateDefinitions().put( __DECLSPEC, DECLSPEC_MACRO ); - - if( scannerData.getScanner().getDefinition( __EXTENSION__ ) == null ) - scannerData.getPrivateDefinitions().put( __EXTENSION__, EXTENSION_MACRO); - - if( scannerData.getScanner().getDefinition( __CONST__ ) == null ) - scannerData.getPrivateDefinitions().put( __CONST__, __CONST__MACRO); - if( scannerData.getScanner().getDefinition( __CONST ) == null ) - scannerData.getPrivateDefinitions().put( __CONST, __CONST_MACRO); - if( scannerData.getScanner().getDefinition( __INLINE__ ) == null ) - scannerData.getPrivateDefinitions().put( __INLINE__, __INLINE__MACRO); - if( scannerData.getScanner().getDefinition( __SIGNED__ ) == null ) - scannerData.getPrivateDefinitions().put( __SIGNED__, __SIGNED__MACRO); - if( scannerData.getScanner().getDefinition( __VOLATILE__ ) == null ) - scannerData.getPrivateDefinitions().put( __VOLATILE__, __VOLATILE__MACRO); - ObjectMacroDescriptor __RESTRICT_MACRO = new ObjectMacroDescriptor( __RESTRICT, Keywords.RESTRICT ); - if( scannerData.getScanner().getDefinition( __RESTRICT ) == null ) - scannerData.getPrivateDefinitions().put( __RESTRICT, __RESTRICT_MACRO); - if( scannerData.getScanner().getDefinition( __RESTRICT__ ) == null ) - scannerData.getPrivateDefinitions().put( __RESTRICT__, __RESTRICT__MACRO); - if( scannerData.getScanner().getDefinition( __TYPEOF__ ) == null ) - scannerData.getPrivateDefinitions().put( __TYPEOF__, __TYPEOF__MACRO); - if( scannerData.getLanguage() == ParserLanguage.CPP ) - if( scannerData.getScanner().getDefinition( __ASM__ ) == null ) - scannerData.getPrivateDefinitions().put( __ASM__, __ASM__MACRO); - - } - - private static final Set directives; - static - { - directives = new HashSet(); - directives.add( POUND_INCLUDE_NEXT ); - directives.add( POUND_WARNING); - directives.add( POUND_IDENT); - } - - /* (non-Javadoc) - * @see org.eclipse.cdt.core.parser.extension.IScannerExtension#canHandlePreprocessorDirective(java.lang.String) - */ - public boolean canHandlePreprocessorDirective(String directive) { - return directives.contains( directive ); - } - - /* (non-Javadoc) - * @see org.eclipse.cdt.core.parser.extension.IScannerExtension#handlePreprocessorDirective(java.lang.String, java.lang.String) - */ - public void handlePreprocessorDirective(IScannerData iscanner, String directive, String restOfLine) { - if( directive.equals(POUND_INCLUDE_NEXT) ) - { - TraceUtil.outputTrace(iscanner.getLogService(), "GCCScannerExtension handling #include_next directive", null, null, null, null); //$NON-NLS-1$ - // figure out the name of the current file and its path - IScannerContext context = iscanner.getContextStack().getCurrentContext(); - if( context == null || context.getKind() != IScannerContext.ContextKind.INCLUSION ) - return; - - String fullInclusionPath = context.getContextName(); - IASTInclusion inclusion = ((ScannerContextInclusion)context).getExtension(); - - Iterator iter = iscanner.getIncludePathNames().iterator(); - - while (iter.hasNext()) { - String path = (String)iter.next(); - String completePath = ScannerUtility.createReconciledPath(path, inclusion.getName() ); - if( completePath.equals( fullInclusionPath ) ) - break; - } - - ScannerUtility.InclusionDirective parsedDirective = null; - try { - parsedDirective = iscanner.parseInclusionDirective( restOfLine, iscanner.getContextStack().getCurrentContext().getOffset() ); - } catch (InclusionParseException e) { - return; - } - CodeReader duple = null; - // search through include paths - while (iter.hasNext()) { - String path = (String)iter.next(); - String finalPath = ScannerUtility.createReconciledPath(path, parsedDirective.getFilename()); - duple = (CodeReader)iscanner.getFileCache().get(finalPath); - if (duple == null) { - duple = ScannerUtility.createReaderDuple( finalPath, iscanner.getClientRequestor(), iscanner.getWorkingCopies() ); - if (duple != null && duple.isFile()) - iscanner.getFileCache().put(duple.filename, duple); - } - if( duple != null ) - break; - } - - if( duple != null ) - { - try - { - iscanner.getContextStack().updateInclusionContext(duple, inclusion, iscanner.getClientRequestor() ); - TraceUtil.outputTrace( iscanner.getLogService(), "GCCScannerExtension handling #include_next directive successfully pushed on new include file" ); //$NON-NLS-1$ - } - catch (ContextException e1) - { - return; - } - } - - } - else if( directive.equals( POUND_WARNING) || directive.equals(POUND_IDENT)) - return; // good enough -- the rest of the line has been consumed - } - - /* (non-Javadoc) - * @see org.eclipse.cdt.core.parser.extension.IScannerExtension#offersDifferentIdentifierCharacters() - */ - public boolean offersDifferentIdentifierCharacters() { - return true; - } - - /* (non-Javadoc) - * @see org.eclipse.cdt.core.parser.extension.IScannerExtension#isValidIdentifierStartCharacter(int) - */ - public boolean isValidIdentifierStartCharacter(int c) { - return Character.isLetter((char)c) || ( c == '_') || ( c == '$' ); - } - - /* (non-Javadoc) - * @see org.eclipse.cdt.core.parser.extension.IScannerExtension#isValidIdentifierCharacter(int) - */ - public boolean isValidIdentifierCharacter(int c) { - return ((c >= 'a') && (c <= 'z')) - || ((c >= 'A') && (c <= 'Z')) - || ((c >= '0') && (c <= '9')) - || (c == '_') || ( c== '$' ) || - Character.isUnicodeIdentifierPart( (char)c); - } - - private static final Map additionalCPPKeywords; - private static final Map additionalCKeywords; - private static final Map additionalCPPOperators; - private static final Map additionalCOperators; - private static final String MAX_OPERATOR = ">?"; //$NON-NLS-1$ - private static final String MIN_OPERATOR = "<?"; //$NON-NLS-1$ - - static - { - additionalCKeywords = new HashMap(); - additionalCKeywords.put( GCCKeywords.__ALIGNOF__, new Integer( IGCCToken.t___alignof__ )); - additionalCKeywords.put( GCCKeywords.TYPEOF, new Integer( IGCCToken.t_typeof )); - additionalCPPKeywords = new HashMap(additionalCKeywords); - additionalCPPKeywords.put( Keywords.RESTRICT, new Integer( IToken.t_restrict )); - - additionalCOperators = new HashMap(); - - additionalCPPOperators = new HashMap(); - additionalCPPOperators.put( MAX_OPERATOR, new Integer( IGCCToken.tMAX ) ); - additionalCPPOperators.put( MIN_OPERATOR, new Integer( IGCCToken.tMIN ) ); - } - - /* (non-Javadoc) - * @see org.eclipse.cdt.core.parser.extension.IScannerExtension#isExtensionKeyword() - */ - public boolean isExtensionKeyword(ParserLanguage language, String tokenImage) { - if( language == ParserLanguage.CPP ) - return ( additionalCPPKeywords.get( tokenImage ) != null ); - else if( language == ParserLanguage.C ) - return ( additionalCKeywords.get( tokenImage ) != null ); - return false; - } - - /* (non-Javadoc) - * @see org.eclipse.cdt.core.parser.extension.IScannerExtension#createExtensionToken() - */ - public IToken createExtensionToken(IScannerData scannerData, String image) { - Integer get = null; - if( scannerData.getLanguage() == ParserLanguage.CPP ) - { - get = (Integer) additionalCPPKeywords.get( image ); - if( get == null ) - get = (Integer) additionalCPPOperators.get( image ); - } - else if( scannerData.getLanguage() == ParserLanguage.C ) - { - get = (Integer) additionalCKeywords.get( image ); - if( get == null ) - get = (Integer) additionalCOperators.get( image ); - } - if( get == null ) return null; - return TokenFactory.createUniquelyImagedToken(get.intValue(),image,scannerData); - } - - /* (non-Javadoc) - * @see org.eclipse.cdt.core.parser.extension.IScannerExtension#isExtensionOperator(java.lang.String) - */ - public boolean isExtensionOperator(ParserLanguage language, String query) { - if( language == ParserLanguage.CPP ) - return ( additionalCPPOperators.get( query ) != null ); - else if (language == ParserLanguage.C ) - return ( additionalCOperators.get( query ) != null ); - return false; - } - -} |