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authorThomas Bushnell <thomas@gnu.org>1997-04-14 20:29:05 +0000
committerThomas Bushnell <thomas@gnu.org>1997-04-14 20:29:05 +0000
commita646a7a564d263b503692fb007bac6a512571793 (patch)
treebd598587a1f4267e917fa046a5a75f1ff17f2865 /mig/lexxer.l
parent30b32d2ccbf95436b642e6208d6829dcf68981fa (diff)
Baseline.
Diffstat (limited to 'mig/lexxer.l')
-rw-r--r--mig/lexxer.l269
1 files changed, 269 insertions, 0 deletions
diff --git a/mig/lexxer.l b/mig/lexxer.l
new file mode 100644
index 0000000..179e770
--- /dev/null
+++ b/mig/lexxer.l
@@ -0,0 +1,269 @@
+%k 10000
+%n 5000
+%a 20000
+%e 10000
+%p 25000
+
+Ident ([A-Za-z_][A-Za-z_0-9]*)
+Number ([0-9]+)
+String ([-/._$A-Za-z0-9]+)
+QString (\"[^"\n]*\")
+AString (\<[^>\n]*\>)
+FileName ({QString}|{AString})
+
+%{
+/*
+ * Mach Operating System
+ * Copyright (c) 1991,1990 Carnegie Mellon University
+ * All Rights Reserved.
+ *
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ *
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ *
+ * Carnegie Mellon requests users of this software to return to
+ *
+ * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
+ * School of Computer Science
+ * Carnegie Mellon University
+ * Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+
+#include <string.h>
+
+#include "mig_string.h"
+#include "type.h"
+#include "statement.h"
+#include "global.h"
+#include "parser.h"
+#include "lexxer.h"
+#include "cpu.h"
+
+#define stringize(x) #x
+
+#ifdef LDEBUG
+#define RETURN(sym) \
+{ \
+ printf("yylex: returning '%s' (%d)\n", #sym, (sym)); \
+ return (sym); \
+}
+#else LDEBUG
+#define RETURN(sym) return (sym)
+#endif LDEBUG
+
+#define TPRETURN(intype, outtype, tsize) \
+{ \
+ yylval.symtype.innumber = (intype); \
+ yylval.symtype.instr = stringize(intype); \
+ yylval.symtype.outnumber = (outtype); \
+ yylval.symtype.outstr = stringize(outtype); \
+ yylval.symtype.size = (tsize); \
+ RETURN(sySymbolicType); \
+}
+
+#define TRETURN(type, tsize) TPRETURN(type,type,tsize)
+
+#define FRETURN(val) \
+{ \
+ yylval.flag = (val); \
+ RETURN(syIPCFlag); \
+}
+
+extern YYSTYPE yylval; /* added by rm */
+
+int lineno;
+char *inname;
+
+#ifdef YY_START
+static int oldYYBegin;
+#define SAVE_BEGIN oldYYBegin = YY_START
+#define RSTR_BEGIN BEGIN oldYYBegin
+#else
+static struct yysvf *oldYYBegin;
+#define SAVE_BEGIN oldYYBegin = yybgin
+#define RSTR_BEGIN yybgin = oldYYBegin;
+#endif
+
+static void doSharp(const char *body); /* process body of # directives */
+%}
+
+%Start Normal String FileName QString SkipToEOL
+
+%%
+
+<Normal>[Rr][Oo][Uu][Tt][Ii][Nn][Ee] RETURN(syRoutine);
+<Normal>[Ff][Uu][Nn][Cc][Tt][Ii][Oo][Nn] RETURN(syFunction);
+<Normal>[Pp][Rr][Oo][Cc][Ee][Dd][Uu][Rr][Ee] RETURN(syProcedure);
+<Normal>[Ss][Ii][Mm][Pp][Ll][Ee][Pp][Rr][Oo][Cc][Ee][Dd][Uu][Rr][Ee] RETURN(sySimpleProcedure);
+<Normal>[Ss][Ii][Mm][Pp][Ll][Ee][Rr][Oo][Uu][Tt][Ii][Nn][Ee] RETURN(sySimpleRoutine);
+<Normal>[Ss][Uu][Bb][Ss][Yy][Ss][Tt][Ee][Mm] RETURN(sySubsystem);
+<Normal>[Mm][Ss][Gg][Oo][Pp][Tt][Ii][Oo][Nn] RETURN(syMsgOption);
+<Normal>[Mm][Ss][Gg][Ss][Ee][Qq][Nn][Oo] RETURN(syMsgSeqno);
+<Normal>[Ww][Aa][Ii][Tt][Tt][Ii][Mm][Ee] RETURN(syWaitTime);
+<Normal>[Nn][Oo][Ww][Aa][Ii][Tt][Tt][Ii][Mm][Ee] RETURN(syNoWaitTime);
+<Normal>[Ii][Nn] RETURN(syIn);
+<Normal>[Oo][Uu][Tt] RETURN(syOut);
+<Normal>[Ii][Nn][Oo][Uu][Tt] RETURN(syInOut);
+<Normal>[Rr][Ee][Qq][Uu][Ee][Ss][Tt][Pp][Oo][Rr][Tt] RETURN(syRequestPort);
+<Normal>[Rr][Ee][Pp][Ll][Yy][Pp][Oo][Rr][Tt] RETURN(syReplyPort);
+<Normal>[Uu][Rr][Ee][Pp][Ll][Yy][Pp][Oo][Rr][Tt] RETURN(syUReplyPort);
+<Normal>[Ss][Rr][Ee][Pp][Ll][Yy][Pp][Oo][Rr][Tt] RETURN(sySReplyPort);
+<Normal>[Aa][Rr][Rr][Aa][Yy] RETURN(syArray);
+<Normal>[Oo][Ff] RETURN(syOf);
+<Normal>[Ee][Rr][Rr][Oo][Rr] RETURN(syErrorProc);
+<Normal>[Ss][Ee][Rr][Vv][Ee][Rr][Pp][Rr][Ee][Ff][Ii][Xx] RETURN(syServerPrefix);
+<Normal>[Uu][Ss][Ee][Rr][Pp][Rr][Ee][Ff][Ii][Xx] RETURN(syUserPrefix);
+<Normal>[Ss][Ee][Rr][Vv][Ee][Rr][Dd][Ee][Mm][Uu][Xx] RETURN(syServerDemux);
+<Normal>[Rr][Cc][Ss][Ii][Dd] RETURN(syRCSId);
+<Normal>[Ii][Mm][Pp][Oo][Rr][Tt] RETURN(syImport);
+<Normal>[Uu][Ii][Mm][Pp][Oo][Rr][Tt] RETURN(syUImport);
+<Normal>[Ss][Ii][Mm][Pp][Oo][Rr][Tt] RETURN(sySImport);
+<Normal>[Tt][Yy][Pp][Ee] RETURN(syType);
+<Normal>[Kk][Ee][Rr][Nn][Ee][Ll][Ss][Ee][Rr][Vv][Ee][Rr] RETURN(syKernelServer);
+<Normal>[Kk][Ee][Rr][Nn][Ee][Ll][Uu][Ss][Ee][Rr] RETURN(syKernelUser);
+<Normal>[Ss][Kk][Ii][Pp] RETURN(sySkip);
+<Normal>[Ss][Tt][Rr][Uu][Cc][Tt] RETURN(syStruct);
+<Normal>[Ii][Nn][Tt][Rr][Aa][Nn] RETURN(syInTran);
+<Normal>[Oo][Uu][Tt][Tt][Rr][Aa][Nn] RETURN(syOutTran);
+<Normal>[Dd][Ee][Ss][Tt][Rr][Uu][Cc][Tt][Oo][Rr] RETURN(syDestructor);
+<Normal>[Cc][Tt][Yy][Pp][Ee] RETURN(syCType);
+<Normal>[Cc][Uu][Ss][Ee][Rr][Tt][Yy][Pp][Ee] RETURN(syCUserType);
+<Normal>[Cc][Ss][Ee][Rr][Vv][Ee][Rr][Tt][Yy][Pp][Ee] RETURN(syCServerType);
+<Normal>[Cc]_[Ss][Tt][Rr][Ii][Nn][Gg] RETURN(syCString);
+
+<Normal>[Ii][Ss][Ll][Oo][Nn][Gg] FRETURN(flLong);
+<Normal>[Ii][Ss][Nn][Oo][Tt][Ll][Oo][Nn][Gg] FRETURN(flNotLong);
+<Normal>[Dd][Ee][Aa][Ll][Ll][Oo][Cc] FRETURN(flDealloc);
+<Normal>[Nn][Oo][Tt][Dd][Ee][Aa][Ll][Ll][Oo][Cc] FRETURN(flNotDealloc);
+<Normal>[Ss][Ee][Rr][Vv][Ee][Rr][Cc][Oo][Pp][Yy] FRETURN(flServerCopy);
+<Normal>[Cc][Oo][Uu][Nn][Tt][Ii][Nn][Oo][Uu][Tt] FRETURN(flCountInOut);
+
+<Normal>[Pp][Oo][Ll][Yy][Mm][Oo][Rr][Pp][Hh][Ii][Cc] TRETURN(MACH_MSG_TYPE_POLYMORPHIC,word_size_in_bits);
+
+<Normal>"MACH_MSG_TYPE_UNSTRUCTURED" TRETURN(MACH_MSG_TYPE_UNSTRUCTURED,0);
+<Normal>"MACH_MSG_TYPE_BIT" TRETURN(MACH_MSG_TYPE_BIT,1);
+<Normal>"MACH_MSG_TYPE_BOOLEAN" TRETURN(MACH_MSG_TYPE_BOOLEAN,32);
+<Normal>"MACH_MSG_TYPE_INTEGER_16" TRETURN(MACH_MSG_TYPE_INTEGER_16,16);
+<Normal>"MACH_MSG_TYPE_INTEGER_32" TRETURN(MACH_MSG_TYPE_INTEGER_32,32);
+<Normal>"MACH_MSG_TYPE_INTEGER_64" TRETURN(MACH_MSG_TYPE_INTEGER_64,64);
+<Normal>"MACH_MSG_TYPE_CHAR" TRETURN(MACH_MSG_TYPE_CHAR,8);
+<Normal>"MACH_MSG_TYPE_BYTE" TRETURN(MACH_MSG_TYPE_BYTE,8);
+<Normal>"MACH_MSG_TYPE_INTEGER_8" TRETURN(MACH_MSG_TYPE_INTEGER_8,8);
+<Normal>"MACH_MSG_TYPE_REAL" TRETURN(MACH_MSG_TYPE_REAL,0);
+<Normal>"MACH_MSG_TYPE_STRING" TRETURN(MACH_MSG_TYPE_STRING,0);
+<Normal>"MACH_MSG_TYPE_STRING_C" TRETURN(MACH_MSG_TYPE_STRING_C,0);
+
+<Normal>"MACH_MSG_TYPE_MOVE_RECEIVE" TPRETURN(MACH_MSG_TYPE_MOVE_RECEIVE,MACH_MSG_TYPE_PORT_RECEIVE,word_size_in_bits);
+<Normal>"MACH_MSG_TYPE_COPY_SEND" TPRETURN(MACH_MSG_TYPE_COPY_SEND,MACH_MSG_TYPE_PORT_SEND,word_size_in_bits);
+<Normal>"MACH_MSG_TYPE_MAKE_SEND" TPRETURN(MACH_MSG_TYPE_MAKE_SEND,MACH_MSG_TYPE_PORT_SEND,word_size_in_bits);
+<Normal>"MACH_MSG_TYPE_MOVE_SEND" TPRETURN(MACH_MSG_TYPE_MOVE_SEND,MACH_MSG_TYPE_PORT_SEND,word_size_in_bits);
+<Normal>"MACH_MSG_TYPE_MAKE_SEND_ONCE" TPRETURN(MACH_MSG_TYPE_MAKE_SEND_ONCE,MACH_MSG_TYPE_PORT_SEND_ONCE,word_size_in_bits);
+<Normal>"MACH_MSG_TYPE_MOVE_SEND_ONCE" TPRETURN(MACH_MSG_TYPE_MOVE_SEND_ONCE,MACH_MSG_TYPE_PORT_SEND_ONCE,word_size_in_bits);
+
+<Normal>"MACH_MSG_TYPE_PORT_NAME" TRETURN(MACH_MSG_TYPE_PORT_NAME,word_size_in_bits);
+<Normal>"MACH_MSG_TYPE_PORT_RECEIVE" TPRETURN(MACH_MSG_TYPE_POLYMORPHIC,MACH_MSG_TYPE_PORT_RECEIVE,word_size_in_bits);
+<Normal>"MACH_MSG_TYPE_PORT_SEND" TPRETURN(MACH_MSG_TYPE_POLYMORPHIC,MACH_MSG_TYPE_PORT_SEND,word_size_in_bits);
+<Normal>"MACH_MSG_TYPE_PORT_SEND_ONCE" TPRETURN(MACH_MSG_TYPE_POLYMORPHIC,MACH_MSG_TYPE_PORT_SEND_ONCE,word_size_in_bits);
+<Normal>"MACH_MSG_TYPE_POLYMORPHIC" TRETURN(MACH_MSG_TYPE_POLYMORPHIC,0);
+
+<Normal>":" RETURN(syColon);
+<Normal>";" RETURN(sySemi);
+<Normal>"," RETURN(syComma);
+<Normal>"+" RETURN(syPlus);
+<Normal>"-" RETURN(syMinus);
+<Normal>"*" RETURN(syStar);
+<Normal>"/" RETURN(syDiv);
+<Normal>"(" RETURN(syLParen);
+<Normal>")" RETURN(syRParen);
+<Normal>"=" RETURN(syEqual);
+<Normal>"^" RETURN(syCaret);
+<Normal>"~" RETURN(syTilde);
+<Normal>"<" RETURN(syLAngle);
+<Normal>">" RETURN(syRAngle);
+<Normal>"[" RETURN(syLBrack);
+<Normal>"]" RETURN(syRBrack);
+<Normal>"|" RETURN(syBar);
+
+<Normal>{Ident} { yylval.identifier = strmake(yytext);
+ RETURN(syIdentifier); }
+<Normal>{Number} { yylval.number = atoi(yytext); RETURN(syNumber); }
+
+<String>{String} { yylval.string = strmake(yytext);
+ BEGIN Normal; RETURN(syString); }
+<FileName>{FileName} { yylval.string = strmake(yytext);
+ BEGIN Normal; RETURN(syFileName); }
+<QString>{QString} { yylval.string = strmake(yytext);
+ BEGIN Normal; RETURN(syQString); }
+
+^\#[ \t]*{Number}[ \t]*\"[^"]*\" { doSharp(yytext+1);
+ SAVE_BEGIN;
+ BEGIN SkipToEOL; }
+^\#\ *{Number} { doSharp(yytext+1);
+ SAVE_BEGIN;
+ BEGIN SkipToEOL; }
+^\# { yyerror("illegal # directive");
+ SAVE_BEGIN;
+ BEGIN SkipToEOL; }
+
+<SkipToEOL>\n RSTR_BEGIN;
+<SkipToEOL>. ;
+
+[ \t] ;
+\n { lineno++; }
+. { BEGIN Normal; RETURN(syError); }
+
+%%
+
+extern void
+LookNormal(void)
+{
+ if (inname == 0)
+ {
+ inname = strmake("(unknown)");
+ lineno = 0;
+ }
+
+ BEGIN Normal;
+}
+
+extern void
+LookString(void)
+{
+ BEGIN String;
+}
+
+extern void
+LookQString(void)
+{
+ BEGIN QString;
+}
+
+extern void
+LookFileName(void)
+{
+ BEGIN FileName;
+}
+
+static void
+doSharp(const char *body)
+{
+ register const char *startName;
+
+ lineno = atoi(body);
+ startName = strchr(body, '"');
+ if (startName != NULL)
+ {
+ *strrchr(body, '"') = '\0';
+ strfree(inname);
+ inname = strmake(startName+1);
+ }
+}