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diff --git a/src/antlr/com/jogamp/gluegen/cgram/HeaderParser.g b/src/antlr/com/jogamp/gluegen/cgram/HeaderParser.g
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@@ -0,0 +1,785 @@
+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
+ * Copyright (c) 2010 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistribution of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistribution in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MIDROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ *
+ * You acknowledge that this software is not designed or intended for use
+ * in the design, construction, operation or maintenance of any nuclear
+ * facility.
+ *
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+
+header {
+ package com.jogamp.gluegen.cgram;
+
+ import java.io.*;
+ import java.util.*;
+
+ import antlr.CommonAST;
+ import com.jogamp.gluegen.cgram.types.*;
+}
+
+class HeaderParser extends GnuCTreeParser;
+options {
+ k = 1;
+}
+
+{
+ /** Name assigned to a anonymous EnumType (e.g., "enum { ... }"). */
+ public static final String ANONYMOUS_ENUM_NAME = "<anonymous>";
+
+ boolean debug = false;
+
+ public boolean getDebug() {
+ return debug;
+ }
+
+ public void setDebug(boolean debug) {
+ this.debug = debug;
+ }
+
+ /** Set the dictionary mapping typedef names to types for this
+ HeaderParser. Must be done before parsing. */
+ public void setTypedefDictionary(TypeDictionary dict) {
+ this.typedefDictionary = dict;
+ }
+
+ /** Returns the typedef dictionary this HeaderParser uses. */
+ public TypeDictionary getTypedefDictionary() {
+ return typedefDictionary;
+ }
+
+ /** Set the dictionary mapping struct names (i.e., the "foo" in
+ "struct foo { ... };") to types for this HeaderParser. Must be done
+ before parsing. */
+ public void setStructDictionary(TypeDictionary dict) {
+ this.structDictionary = dict;
+ }
+
+ /** Returns the struct name dictionary this HeaderParser uses. */
+ public TypeDictionary getStructDictionary() {
+ return structDictionary;
+ }
+
+ /** Get the canonicalization map, which is a regular HashMap
+ mapping Type to Type and which is used for looking up the unique
+ instances of e.g. pointer-to-structure types that have been typedefed
+ and therefore have names. */
+ public Map getCanonMap() {
+ return canonMap;
+ }
+
+ /** Pre-define the list of EnumTypes for this HeaderParser. Must be
+ done before parsing. */
+ public void setEnums(List<EnumType> enumTypes) {
+ // FIXME: Need to take the input set of EnumTypes, extract all
+ // the enumerates from each EnumType, and fill in the enumHash
+ // so that each enumerate maps to the enumType to which it
+ // belongs.
+ throw new RuntimeException("setEnums is Unimplemented!");
+ }
+
+ /** Returns the EnumTypes this HeaderParser processed. */
+ public List<EnumType> getEnums() {
+ return new ArrayList<EnumType>(enumHash.values());
+ }
+
+ /** Clears the list of functions this HeaderParser has parsed.
+ Useful when reusing the same HeaderParser for more than one
+ header file. */
+ public void clearParsedFunctions() {
+ functions.clear();
+ }
+
+ /** Returns the list of FunctionSymbols this HeaderParser has parsed. */
+ public List<FunctionSymbol> getParsedFunctions() {
+ return functions;
+ }
+
+ private CompoundType lookupInStructDictionary(String typeName,
+ CompoundTypeKind kind,
+ int cvAttrs) {
+ CompoundType t = (CompoundType) structDictionary.get(typeName);
+ if (t == null) {
+ t = CompoundType.create(null, null, kind, cvAttrs);
+ t.setStructName(typeName);
+ structDictionary.put(typeName, t);
+ }
+ return t;
+ }
+
+ private Type lookupInTypedefDictionary(String typeName) {
+ Type t = typedefDictionary.get(typeName);
+ if (t == null) {
+ throw new RuntimeException("Undefined reference to typedef name " + typeName);
+ }
+ return t;
+ }
+
+ static class ParameterDeclaration {
+ private String id;
+ private Type type;
+
+ ParameterDeclaration(String id, Type type) {
+ this.id = id;
+ this.type = type;
+ }
+ String id() { return id; }
+ Type type() { return type; }
+ }
+
+ // A box for a Type. Allows type to be passed down to be modified by recursive rules.
+ static class TypeBox {
+ private Type origType;
+ private Type type;
+ private boolean isTypedef;
+
+ TypeBox(Type type) {
+ this(type, false);
+ }
+
+ TypeBox(Type type, boolean isTypedef) {
+ this.origType = type;
+ this.isTypedef = isTypedef;
+ }
+
+ Type type() {
+ if (type == null) {
+ return origType;
+ }
+ return type;
+ }
+ void setType(Type type) {
+ this.type = type;
+ }
+ void reset() {
+ type = null;
+ }
+
+ boolean isTypedef() { return isTypedef; }
+
+ // for easier debugging
+ public String toString() {
+ String tStr = "Type=NULL_REF";
+ if (type == origType) {
+ tStr = "Type=ORIG_TYPE";
+ } else if (type != null) {
+ tStr = "Type: name=\"" + type.getCVAttributesString() + " " +
+ type.getName() + "\"; signature=\"" + type + "\"; class " +
+ type.getClass().getName();
+ }
+ String oStr = "OrigType=NULL_REF";
+ if (origType != null) {
+ oStr = "OrigType: name=\"" + origType.getCVAttributesString() + " " +
+ origType.getName() + "\"; signature=\"" + origType + "\"; class " +
+ origType.getClass().getName();
+ }
+ return "<["+tStr + "] [" + oStr + "] " + " isTypedef=" + isTypedef+">";
+ }
+ }
+
+ private String getTypeString(Type t) {
+ StringBuilder sb = new StringBuilder();
+ sb.append("[");
+ sb.append(t);
+ sb.append(", size: ");
+ if(null!=t) {
+ SizeThunk st = t.getSize();
+ if(null!=st) {
+ sb.append(st.getClass().getName());
+ } else {
+ sb.append("undef");
+ }
+ }
+ sb.append("]");
+ return sb.toString();
+ }
+
+ private void debugPrintln(String msg) {
+ if(debug) {
+ System.err.println(msg);
+ }
+ }
+
+ private void debugPrint(String msg) {
+ if(debug) {
+ System.err.print(msg);
+ }
+ }
+
+ private boolean doDeclaration; // Used to only process function typedefs
+ private String declId;
+ private List parameters;
+ private TypeDictionary typedefDictionary;
+ private TypeDictionary structDictionary;
+ private List<FunctionSymbol> functions = new ArrayList<FunctionSymbol>();
+ // hash from name of an enumerated value to the EnumType to which it belongs
+ private HashMap<String, EnumType> enumHash = new HashMap<String, EnumType>();
+
+ // Storage class specifiers
+ private static final int AUTO = 1 << 0;
+ private static final int REGISTER = 1 << 1;
+ private static final int TYPEDEF = 1 << 2;
+ // Function storage class specifiers
+ private static final int EXTERN = 1 << 3;
+ private static final int STATIC = 1 << 4;
+ private static final int INLINE = 1 << 5;
+ // Type qualifiers
+ private static final int CONST = 1 << 6;
+ private static final int VOLATILE = 1 << 7;
+ private static final int SIGNED = 1 << 8;
+ private static final int UNSIGNED = 1 << 9;
+
+ private void initDeclaration() {
+ doDeclaration = false;
+ declId = null;
+ }
+
+ private void doDeclaration() {
+ doDeclaration = true;
+ }
+
+ private void processDeclaration(Type returnType) {
+ if (doDeclaration) {
+ FunctionSymbol sym = new FunctionSymbol(declId, new FunctionType(null, null, returnType, 0));
+ if (parameters != null) { // handle funcs w/ empty parameter lists (e.g., "foo()")
+ for (Iterator iter = parameters.iterator(); iter.hasNext(); ) {
+ ParameterDeclaration pd = (ParameterDeclaration) iter.next();
+ sym.addArgument(pd.type(), pd.id());
+ }
+ }
+ functions.add(sym);
+ }
+ }
+
+ private int attrs2CVAttrs(int attrs) {
+ int cvAttrs = 0;
+ if ((attrs & CONST) != 0) {
+ cvAttrs |= CVAttributes.CONST;
+ }
+ if ((attrs & VOLATILE) != 0) {
+ cvAttrs |= CVAttributes.VOLATILE;
+ }
+ return cvAttrs;
+ }
+
+ /** Helper routine which handles creating a pointer or array type
+ for [] expressions */
+ private void handleArrayExpr(TypeBox tb, AST t) {
+ if (t != null) {
+ try {
+ int len = parseIntConstExpr(t);
+ tb.setType(canonicalize(new ArrayType(tb.type(), SizeThunk.mul(SizeThunk.constant(len), tb.type().getSize()), len, 0)));
+ return;
+ } catch (RecognitionException e) {
+ // Fall through
+ }
+ }
+ tb.setType(canonicalize(new PointerType(SizeThunk.POINTER,
+ tb.type(),
+ 0)));
+ }
+
+ private int parseIntConstExpr(AST t) throws RecognitionException {
+ return intConstExpr(t);
+ }
+
+ /** Utility function: creates a new EnumType with the given name, or
+ returns an existing one if it has already been created. */
+ private EnumType getEnumType(String enumTypeName) {
+ EnumType enumType = null;
+ Iterator<EnumType> it = enumHash.values().iterator();
+ while (it.hasNext()) {
+ EnumType potentialMatch = it.next();
+ if (potentialMatch.getName().equals(enumTypeName)) {
+ enumType = potentialMatch;
+ break;
+ }
+ }
+
+ if (enumType == null) {
+ // This isn't quite correct. In theory the enum should expand to
+ // the size of the largest element, so if there were a long long
+ // entry the enum should expand to e.g. int64. However, using
+ // "long" here (which is what used to be the case) was
+ // definitely incorrect and caused problems.
+ enumType = new EnumType(enumTypeName, SizeThunk.INT32);
+ }
+
+ return enumType;
+ }
+
+ // Map used to canonicalize types. For example, we may typedef
+ // struct foo { ... } *pfoo; subsequent references to struct foo* should
+ // point to the same PointerType object that had its name set to "pfoo".
+ private Map canonMap = new HashMap();
+ private Type canonicalize(Type t) {
+ Type res = (Type) canonMap.get(t);
+ if (res != null) {
+ return res;
+ }
+ canonMap.put(t, t);
+ return t;
+ }
+}
+
+declarator[TypeBox tb] returns [String s] {
+ initDeclaration();
+ s = null;
+ List params = null;
+ String funcPointerName = null;
+ TypeBox dummyTypeBox = null;
+}
+ : #( NDeclarator
+ ( pointerGroup[tb] )?
+
+ ( id:ID { s = id.getText(); }
+ | LPAREN funcPointerName = declarator[dummyTypeBox] RPAREN
+ )
+
+ ( #( NParameterTypeList
+ (
+ params = parameterTypeList
+ | (idList)?
+ )
+ RPAREN
+ ) {
+ if (id != null) {
+ declId = id.getText();
+ parameters = params; // FIXME: Ken, why are we setting this class member here?
+ doDeclaration();
+ } else if ( funcPointerName != null ) {
+ /* TypeBox becomes function pointer in this case */
+ FunctionType ft = new FunctionType(null, null, tb.type(), 0);
+ if (params == null) {
+ // If the function pointer has no declared parameters, it's a
+ // void function. I'm not sure if the parameter name is
+ // ever referenced anywhere when the type is VoidType, so
+ // just in case I'll set it to a comment string so it will
+ // still compile if written out to code anywhere.
+ ft.addArgument(new VoidType(0), "/*unnamed-void*/");
+ } else {
+ for (Iterator iter = params.iterator(); iter.hasNext(); ) {
+ ParameterDeclaration pd = (ParameterDeclaration) iter.next();
+ ft.addArgument(pd.type(), pd.id());
+ }
+ }
+ tb.setType(canonicalize(new PointerType(SizeThunk.POINTER,
+ ft,
+ 0)));
+ s = funcPointerName;
+ }
+ }
+ | LBRACKET ( e:expr )? RBRACKET { handleArrayExpr(tb, e); }
+ )*
+ )
+ ;
+
+typelessDeclaration {
+ TypeBox tb = null;
+}
+ : #(NTypeMissing initDeclList[tb] SEMI)
+ ;
+
+declaration {
+ TypeBox tb = null;
+}
+ : #( NDeclaration
+ tb = declSpecifiers
+ (
+ initDeclList[tb]
+ )?
+ ( SEMI )+
+ ) { processDeclaration(tb.type()); }
+ ;
+
+parameterTypeList returns [List l] { l = new ArrayList(); ParameterDeclaration decl = null; }
+ : ( decl = parameterDeclaration { if (decl != null) l.add(decl); } ( COMMA | SEMI )? )+ ( VARARGS )?
+ ;
+
+parameterDeclaration returns [ParameterDeclaration pd] {
+ Type t = null;
+ String decl = null;
+ pd = null;
+ TypeBox tb = null;
+}
+ : #( NParameterDeclaration
+ tb = declSpecifiers
+ (decl = declarator[tb] | nonemptyAbstractDeclarator[tb])?
+ ) { pd = new ParameterDeclaration(decl, tb.type()); }
+ ;
+
+functionDef {
+ TypeBox tb = null;
+}
+ : #( NFunctionDef
+ ( functionDeclSpecifiers)?
+ declarator[tb]
+ (declaration | VARARGS)*
+ compoundStatement
+ )
+ ;
+
+declSpecifiers returns [TypeBox tb] {
+ tb = null;
+ Type t = null;
+ int x = 0;
+ int y = 0;
+}
+ : ( y = storageClassSpecifier { x |= y; }
+ | y = typeQualifier { x |= y; }
+ | t = typeSpecifier[x]
+ )+
+{
+ if (t == null &&
+ (x & (SIGNED | UNSIGNED)) != 0) {
+ t = new IntType("int", SizeThunk.INTxx, ((x & UNSIGNED) != 0), attrs2CVAttrs(x));
+ }
+ tb = new TypeBox(t, ((x & TYPEDEF) != 0));
+}
+ ;
+
+storageClassSpecifier returns [int x] { x = 0; }
+ : "auto" { x |= AUTO; }
+ | "register" { x |= REGISTER; }
+ | "typedef" { x |= TYPEDEF; }
+ | x = functionStorageClassSpecifier
+ ;
+
+
+functionStorageClassSpecifier returns [int x] { x = 0; }
+ : "extern" { x |= EXTERN; }
+ | "static" { x |= STATIC; }
+ | "inline" { x |= INLINE; }
+ ;
+
+
+typeQualifier returns [int x] { x = 0; }
+ : "const" { x |= CONST; }
+ | "volatile" { x |= VOLATILE; }
+ | "signed" { x |= SIGNED; }
+ | "unsigned" { x |= UNSIGNED; }
+ ;
+
+typeSpecifier[int attributes] returns [Type t] {
+ t = null;
+ int cvAttrs = attrs2CVAttrs(attributes);
+ boolean unsigned = ((attributes & UNSIGNED) != 0);
+}
+ : "void" { t = new VoidType(cvAttrs); }
+ | "char" { t = new IntType("char" , SizeThunk.INT8, unsigned, cvAttrs); }
+ | "short" { t = new IntType("short", SizeThunk.INT16, unsigned, cvAttrs); }
+ | "int" { t = new IntType("int" , SizeThunk.INTxx, unsigned, cvAttrs); }
+ | "long" { t = new IntType("long" , SizeThunk.LONG, unsigned, cvAttrs); }
+ | "float" { t = new FloatType("float", SizeThunk.FLOAT, cvAttrs); }
+ | "double" { t = new DoubleType("double", SizeThunk.DOUBLE, cvAttrs); }
+ | "__int32" { t = new IntType("__int32", SizeThunk.INT32, unsigned, cvAttrs); }
+ | "__int64" { t = new IntType("__int64", SizeThunk.INT64, unsigned, cvAttrs); }
+ | "int8_t" { t = new IntType("int8_t", SizeThunk.INT8, false, cvAttrs); /* TS: always signed */ }
+ | "uint8_t" { t = new IntType("uint8_t", SizeThunk.INT8, true, cvAttrs); /* TS: always unsigned */ }
+ | "int16_t" { t = new IntType("int16_t", SizeThunk.INT16, false, cvAttrs); /* TS: always signed */ }
+ | "uint16_t" { t = new IntType("uint16_t", SizeThunk.INT16, true, cvAttrs); /* TS: always unsigned */ }
+ | "int32_t" { t = new IntType("int32_t", SizeThunk.INT32, false, cvAttrs); /* TS: always signed */ }
+ | "wchar_t" { t = new IntType("wchar_t", SizeThunk.INT32, false, cvAttrs); /* TS: always signed */ }
+ | "uint32_t" { t = new IntType("uint32_t", SizeThunk.INT32, true, cvAttrs, true); /* TS: always unsigned */ }
+ | "int64_t" { t = new IntType("int64_t", SizeThunk.INT64, false, cvAttrs); /* TS: always signed */ }
+ | "uint64_t" { t = new IntType("uint64_t", SizeThunk.INT64, true, cvAttrs, true); /* TS: always unsigned */ }
+ | "ptrdiff_t" { t = new IntType("ptrdiff_t", SizeThunk.POINTER, false, cvAttrs); /* TS: always signed */ }
+ | "intptr_t" { t = new IntType("intptr_t", SizeThunk.POINTER, false, cvAttrs); /* TS: always signed */ }
+ | "size_t" { t = new IntType("size_t", SizeThunk.POINTER, true, cvAttrs, true); /* TS: always unsigned */ }
+ | "uintptr_t" { t = new IntType("uintptr_t", SizeThunk.POINTER, true, cvAttrs, true); /* TS: always unsigned */ }
+ | t = structSpecifier[cvAttrs] ( attributeDecl )*
+ | t = unionSpecifier [cvAttrs] ( attributeDecl )*
+ | t = enumSpecifier [cvAttrs]
+ | t = typedefName [cvAttrs]
+ | #("typeof" LPAREN
+ ( (typeName )=> typeName
+ | expr
+ )
+ RPAREN
+ )
+ | "__complex"
+ ;
+
+typedefName[int cvAttrs] returns [Type t] { t = null; }
+ : #(NTypedefName id : ID)
+ {
+ Type tdict = lookupInTypedefDictionary(id.getText());
+ t = canonicalize(tdict.getCVVariant(cvAttrs));
+ debugPrintln("Adding typedef canon : [" + id.getText() + "] -> [" + tdict + "] -> "+getTypeString(t));
+ }
+ ;
+
+structSpecifier[int cvAttrs] returns [Type t] { t = null; }
+ : #( "struct" t = structOrUnionBody[CompoundTypeKind.STRUCT, cvAttrs] )
+ ;
+
+unionSpecifier[int cvAttrs] returns [Type t] { t = null; }
+ : #( "union" t = structOrUnionBody[CompoundTypeKind.UNION, cvAttrs] )
+ ;
+
+structOrUnionBody[CompoundTypeKind kind, int cvAttrs] returns [CompoundType t] {
+ t = null;
+}
+ : ( (ID LCURLY) => id:ID LCURLY {
+ t = (CompoundType) canonicalize(lookupInStructDictionary(id.getText(), kind, cvAttrs));
+ } ( structDeclarationList[t] )?
+ RCURLY { t.setBodyParsed(); }
+ | LCURLY { t = CompoundType.create(null, null, kind, cvAttrs); }
+ ( structDeclarationList[t] )?
+ RCURLY { t.setBodyParsed(); }
+ | id2:ID { t = (CompoundType) canonicalize(lookupInStructDictionary(id2.getText(), kind, cvAttrs)); }
+ )
+ ;
+
+structDeclarationList[CompoundType t]
+ : ( structDeclaration[t] )+
+ ;
+
+structDeclaration[CompoundType containingType] {
+ Type t = null;
+ boolean addedAny = false;
+}
+ : t = specifierQualifierList addedAny = structDeclaratorList[containingType, t] {
+ if (!addedAny) {
+ if (t != null) {
+ CompoundType ct = t.asCompound();
+ if (ct.isUnion()) {
+ // Anonymous union
+ containingType.addField(new Field(null, t, null));
+ }
+ }
+ }
+ }
+ ;
+
+specifierQualifierList returns [Type t] {
+ t = null; int x = 0; int y = 0;
+}
+ : (
+ t = typeSpecifier[x]
+ | y = typeQualifier { x |= y; }
+ )+ {
+ if (t == null &&
+ (x & (SIGNED | UNSIGNED)) != 0) {
+ t = new IntType("int", SizeThunk.INTxx, ((x & UNSIGNED) != 0), attrs2CVAttrs(x));
+ }
+}
+ ;
+
+structDeclaratorList[CompoundType containingType, Type t] returns [boolean addedAny] {
+ addedAny = false;
+ boolean y = false;
+}
+ : ( y = structDeclarator[containingType, t] { addedAny = y; })+
+ ;
+
+structDeclarator[CompoundType containingType, Type t] returns [boolean addedAny] {
+ addedAny = false;
+ String s = null;
+ TypeBox tb = new TypeBox(t);
+}
+ :
+ #( NStructDeclarator
+ ( s = declarator[tb] { containingType.addField(new Field(s, tb.type(), null)); addedAny = true; } )?
+ ( COLON expr { /* FIXME: bit types not handled yet */ } ) ?
+ ( attributeDecl )*
+ )
+ ;
+
+// FIXME: this will not correctly set the name of the enumeration when
+// encountering a declaration like this:
+//
+// typedef enum { } enumName;
+//
+// In this case calling getName() on the EnumType return value will
+// incorrectly return HeaderParser.ANONYMOUS_ENUM_NAME instead of
+// "enumName"
+//
+// I haven't implemented it yet because I'm not sure how to get the
+// "enumName" *before* executing the enumList rule.
+enumSpecifier [int cvAttrs] returns [Type t] {
+ t = null;
+}
+ : #( "enum"
+ ( ( ID LCURLY )=> i:ID LCURLY enumList[(EnumType)(t = getEnumType(i.getText()))] RCURLY
+ | LCURLY enumList[(EnumType)(t = getEnumType(ANONYMOUS_ENUM_NAME))] RCURLY
+ | ID { t = getEnumType(i.getText()); }
+ )
+ )
+ ;
+
+enumList[EnumType enumeration] {
+ long defaultEnumerantValue = 0;
+}
+ : ( defaultEnumerantValue = enumerator[enumeration, defaultEnumerantValue] )+
+ ;
+
+enumerator[EnumType enumeration, long defaultValue] returns [long newDefaultValue] {
+ newDefaultValue = defaultValue;
+}
+ : eName:ID ( ASSIGN eVal:expr )? {
+ long value = 0;
+ if (eVal != null) {
+ String vTxt = eVal.getAllChildrenText();
+ if (enumHash.containsKey(vTxt)) {
+ EnumType oldEnumType = enumHash.get(vTxt);
+ value = oldEnumType.getEnumValue(vTxt);
+ } else {
+ try {
+ value = Long.decode(vTxt).longValue();
+ } catch (NumberFormatException e) {
+ System.err.println("NumberFormatException: ID[" + eName.getText() + "], VALUE=[" + vTxt + "]");
+ throw e;
+ }
+ }
+ } else {
+ value = defaultValue;
+ }
+
+ newDefaultValue = value+1;
+ String eTxt = eName.getText();
+ if (enumHash.containsKey(eTxt)) {
+ EnumType oldEnumType = enumHash.get(eTxt);
+ long oldValue = oldEnumType.getEnumValue(eTxt);
+ System.err.println("WARNING: redefinition of enumerated value '" + eTxt + "';" +
+ " existing definition is in enumeration '" + oldEnumType.getName() +
+ "' with value " + oldValue + " and new definition is in enumeration '" +
+ enumeration.getName() + "' with value " + value);
+ // remove old definition
+ oldEnumType.removeEnumerate(eTxt);
+ }
+ // insert new definition
+ enumeration.addEnum(eTxt, value);
+ enumHash.put(eTxt, enumeration);
+ debugPrintln("ENUM [" + enumeration.getName() + "]: " + eTxt + " = " + enumeration.getEnumValue(eTxt) +
+ " (new default = " + newDefaultValue + ")");
+ }
+ ;
+
+initDeclList[TypeBox tb]
+ : ( initDecl[tb] )+
+ ;
+
+initDecl[TypeBox tb] {
+ String declName = null;
+}
+ : #( NInitDecl
+ declName = declarator[tb] {
+ debugPrintln("GOT declName: " + declName + " TB=" + tb);
+ }
+ ( attributeDecl )*
+ ( ASSIGN initializer
+ | COLON expr
+ )?
+ )
+{
+ if ((declName != null) && (tb != null) && tb.isTypedef()) {
+ Type t = tb.type();
+ debugPrint("Adding typedef mapping: [" + declName + "] -> "+getTypeString(t));
+ if (!t.hasTypedefName()) {
+ t.setName(declName);
+ debugPrint(" - declName -> "+getTypeString(t));
+ } else {
+ // copy type to preserve declName !
+ t = (Type) t.clone();
+ t.setName(declName);
+ debugPrint(" - copy -> "+getTypeString(t));
+ }
+ t = canonicalize(t);
+ debugPrintln(" - canon -> "+getTypeString(t));
+ typedefDictionary.put(declName, t);
+ // Clear out PointerGroup effects in case another typedef variant follows
+ tb.reset();
+ }
+}
+ ;
+
+pointerGroup[TypeBox tb] { int x = 0; int y = 0; }
+ : #( NPointerGroup ( STAR { x = 0; y = 0; } ( y = typeQualifier { x |= y; } )*
+ {
+ debugPrintln("IN PTR GROUP: TB=" + tb);
+ if (tb != null) {
+ tb.setType(canonicalize(new PointerType(SizeThunk.POINTER,
+ tb.type(),
+ attrs2CVAttrs(x))));
+ }
+ }
+ )+ )
+ ;
+
+
+functionDeclSpecifiers
+ :
+ ( functionStorageClassSpecifier
+ | typeQualifier
+ | typeSpecifier[0]
+ )+
+ ;
+
+typeName {
+ TypeBox tb = null;
+}
+ : specifierQualifierList (nonemptyAbstractDeclarator[tb])?
+ ;
+
+
+/* FIXME: the handling of types in this rule has not been well thought
+ out and is known to be incomplete. Currently it is only used to handle
+ pointerGroups for unnamed parameters. */
+nonemptyAbstractDeclarator[TypeBox tb]
+ : #( NNonemptyAbstractDeclarator
+ ( pointerGroup[tb]
+ ( (LPAREN
+ ( nonemptyAbstractDeclarator[tb]
+ | parameterTypeList
+ )?
+ RPAREN)
+ | (LBRACKET (e1:expr)? RBRACKET) { handleArrayExpr(tb, e1); }
+ )*
+
+ | ( (LPAREN
+ ( nonemptyAbstractDeclarator[tb]
+ | parameterTypeList
+ )?
+ RPAREN)
+ | (LBRACKET (e2:expr)? RBRACKET) { handleArrayExpr(tb, e2); }
+ )+
+ )
+ )
+ ;
+
+/* Helper routine for parsing expressions which evaluate to integer
+ constants. Can be made more complicated as necessary. */
+intConstExpr returns [int i] { i = -1; }
+ : n:Number { return Integer.parseInt(n.getText()); }
+ ;