Now recognising and ignoring "register" and "extern".

git-svn-id: http://picoc.googlecode.com/svn/trunk@508 21eae674-98b7-11dd-bd71-f92a316d2d60

lex.c

@@ -56,6 +56,7 @@ static struct ReservedWord ReservedWords[] =
 #endif
     { "else", TokenElse, NULL },
     { "enum", TokenEnumType, NULL },
+    { "extern", TokenExternType, NULL },
 #ifndef NO_FP
     { "float", TokenFloatType, NULL },
 #endif
@@ -64,6 +65,7 @@ static struct ReservedWord ReservedWords[] =
     { "int", TokenIntType, NULL },
     { "long", TokenLongType, NULL },
     { "new", TokenNew, NULL },
+    { "register", TokenRegisterType, NULL },
     { "return", TokenReturn, NULL },
     { "short", TokenShortType, NULL },
     { "signed", TokenSignedType, NULL },

parse.c

@@ -595,6 +595,8 @@ enum ParseResult ParseStatement(struct ParseState *Parser, int CheckTrailingSemi
         case TokenSignedType:
         case TokenUnsignedType:
         case TokenStaticType:
+        case TokenRegisterType:
+        case TokenExternType:
             *Parser = PreState;
             CheckTrailingSemicolon = ParseDeclaration(Parser, Token);
             break;

picoc.h

@@ -73,12 +73,12 @@ enum LexToken
     /* 0x32 */ TokenSemicolon, TokenEllipsis,
     /* 0x34 */ TokenLeftBrace, TokenRightBrace,
     /* 0x36 */ TokenIntType, TokenCharType, TokenFloatType, TokenDoubleType, TokenVoidType, TokenEnumType,
-    /* 0x3c */ TokenLongType, TokenSignedType, TokenShortType, TokenStaticType, TokenStructType, TokenUnionType, TokenUnsignedType, TokenTypedef,
-    /* 0x43 */ TokenContinue, TokenDo, TokenElse, TokenFor, TokenIf, TokenWhile, TokenBreak, TokenSwitch, TokenCase, TokenDefault, TokenReturn,
-    /* 0x4e */ TokenHashDefine, TokenHashInclude, TokenHashIf, TokenHashIfdef, TokenHashIfndef, TokenHashElse, TokenHashEndif,
-    /* 0x55 */ TokenNew, TokenDelete,
-    /* 0x57 */ TokenOpenMacroBracket,
-    /* 0x58 */ TokenEOF, TokenEndOfLine, TokenEndOfFunction
+    /* 0x3c */ TokenLongType, TokenSignedType, TokenShortType, TokenStaticType, TokenRegisterType, TokenExternType, TokenStructType, TokenUnionType, TokenUnsignedType, TokenTypedef,
+    /* 0x45 */ TokenContinue, TokenDo, TokenElse, TokenFor, TokenIf, TokenWhile, TokenBreak, TokenSwitch, TokenCase, TokenDefault, TokenReturn,
+    /* 0x50 */ TokenHashDefine, TokenHashInclude, TokenHashIf, TokenHashIfdef, TokenHashIfndef, TokenHashElse, TokenHashEndif,
+    /* 0x57 */ TokenNew, TokenDelete,
+    /* 0x59 */ TokenOpenMacroBracket,
+    /* 0x5a */ TokenEOF, TokenEndOfLine, TokenEndOfFunction
 };
 
 /* used in dynamic memory allocation */

type.c

@@ -324,7 +324,7 @@ int TypeParseFront(struct ParseState *Parser, struct ValueType **Typ)
     *Typ = NULL;
 
     /* ignore leading type qualifiers */
-    while (Token == TokenStaticType)
+    while (Token == TokenStaticType || Token == TokenRegisterType  || Token == TokenExternType)
         Token = LexGetToken(Parser, &LexerValue, TRUE);
         
     /* handle signed/unsigned with no trailing type */