File: lexxer.l

package info (click to toggle)
mig-m68k-gnu 1.0-1
  • links: PTS
  • area: main
  • in suites: potato
  • size: 680 kB
  • ctags: 998
  • sloc: ansic: 6,776; sh: 1,937; yacc: 560; lex: 269; makefile: 62; awk: 45
file content (269 lines) | stat: -rw-r--r-- 9,379 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
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);
    }
}