Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/lex/yylex.c	Lines:	9	49	18.4 %
Date:	2016-12-06	Branches:	5	40	12.5 %


/*	$OpenBSD: yylex.c,v 1.6 2015/11/19 19:43:40 tedu Exp $	*/

/* yylex - scanner front-end for flex */

/*  Copyright (c) 1990 The Regents of the University of California. */
/*  All rights reserved. */

/*  This code is derived from software contributed to Berkeley by */
/*  Vern Paxson. */

/*  The United States Government has rights in this work pursuant */
/*  to contract no. DE-AC03-76SF00098 between the United States */
/*  Department of Energy and the University of California. */

/*  This file is part of flex. */

/*  Redistribution and use in source and binary forms, with or without */
/*  modification, are permitted provided that the following conditions */
/*  are met: */

/*  1. Redistributions of source code must retain the above copyright */
/*     notice, this list of conditions and the following disclaimer. */
/*  2. Redistributions 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 the University nor the names of its contributors */
/*  may be used to endorse or promote products derived from this software */
/*  without specific prior written permission. */

/*  THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR */
/*  IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED */
/*  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR */
/*  PURPOSE. */

#include <ctype.h>
#include "flexdef.h"
#include "parse.h"


/* yylex - scan for a regular expression token */

int     yylex ()
{
	int     toktype;
	static int beglin = false;
	extern char *yytext;

	if (eofseen)
		toktype = EOF;
	else
		toktype = flexscan ();

	if (toktype == EOF || toktype == 0) {
		eofseen = 1;

		if (sectnum == 1) {
			synerr (_("premature EOF"));
			sectnum = 2;
			toktype = SECTEND;
		}

		else
			toktype = 0;
	}

	if (trace) {
		if (beglin) {
			fprintf (stderr, "%d\t", num_rules + 1);
			beglin = 0;
		}

		switch (toktype) {
		case '<':
		case '>':
		case '^':
		case '$':
		case '"':
		case '[':
		case ']':
		case '{':
		case '}':
		case '|':
		case '(':
		case ')':
		case '-':
		case '/':
		case '\\':
		case '?':
		case '.':
		case '*':
		case '+':
		case ',':
			(void) putc (toktype, stderr);
			break;

		case '\n':
			(void) putc ('\n', stderr);

			if (sectnum == 2)
				beglin = 1;

			break;

		case SCDECL:
			fputs ("%s", stderr);
			break;

		case XSCDECL:
			fputs ("%x", stderr);
			break;

		case SECTEND:
			fputs ("%%\n", stderr);

			/* We set beglin to be true so we'll start
			 * writing out numbers as we echo rules.
			 * flexscan() has already assigned sectnum.
			 */
			if (sectnum == 2)
				beglin = 1;

			break;

		case NAME:
			fprintf (stderr, "'%s'", nmstr);
			break;

		case CHAR:
			switch (yylval) {
			case '<':
			case '>':
			case '^':
			case '$':
			case '"':
			case '[':
			case ']':
			case '{':
			case '}':
			case '|':
			case '(':
			case ')':
			case '-':
			case '/':
			case '\\':
			case '?':
			case '.':
			case '*':
			case '+':
			case ',':
				fprintf (stderr, "\\%c", yylval);
				break;

			default:
				if (!isascii (yylval) || !isprint (yylval))
					fprintf (stderr,
						 "\\%.3o",
						 (unsigned int) yylval);
				else
					(void) putc (yylval, stderr);
				break;
			}

			break;

		case NUMBER:
			fprintf (stderr, "%d", yylval);
			break;

		case PREVCCL:
			fprintf (stderr, "[%d]", yylval);
			break;

		case EOF_OP:
			fprintf (stderr, "<<EOF>>");
			break;

		case OPTION_OP:
			fprintf (stderr, "%s ", yytext);
			break;

		case OPT_OUTFILE:
		case OPT_PREFIX:
		case CCE_ALNUM:
		case CCE_ALPHA:
		case CCE_BLANK:
		case CCE_CNTRL:
		case CCE_DIGIT:
		case CCE_GRAPH:
		case CCE_LOWER:
		case CCE_PRINT:
		case CCE_PUNCT:
		case CCE_SPACE:
		case CCE_UPPER:
		case CCE_XDIGIT:
			fprintf (stderr, "%s", yytext);
			break;

		case 0:
			fprintf (stderr, _("End Marker\n"));
			break;

		default:
			fprintf (stderr,
				 _
				 ("*Something Weird* - tok: %d val: %d\n"),
				 toktype, yylval);
			break;
		}
	}

	return toktype;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: yylex.c,v 1.6 2015/11/19 19:43:40 tedu Exp $ */
2
3			/* yylex - scanner front-end for flex */
4
5			/* Copyright (c) 1990 The Regents of the University of California. */
6			/* All rights reserved. */
7
8			/* This code is derived from software contributed to Berkeley by */
9			/* Vern Paxson. */
10
11			/* The United States Government has rights in this work pursuant */
12			/* to contract no. DE-AC03-76SF00098 between the United States */
13			/* Department of Energy and the University of California. */
14
15			/* This file is part of flex. */
16
17			/* Redistribution and use in source and binary forms, with or without */
18			/* modification, are permitted provided that the following conditions */
19			/* are met: */
20
21			/* 1. Redistributions of source code must retain the above copyright */
22			/* notice, this list of conditions and the following disclaimer. */
23			/* 2. Redistributions in binary form must reproduce the above copyright */
24			/* notice, this list of conditions and the following disclaimer in the */
25			/* documentation and/or other materials provided with the distribution. */
26
27			/* Neither the name of the University nor the names of its contributors */
28			/* may be used to endorse or promote products derived from this software */
29			/* without specific prior written permission. */
30
31			/* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR */
32			/* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED */
33			/* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR */
34			/* PURPOSE. */
35
36			#include <ctype.h>
37			#include "flexdef.h"
38			#include "parse.h"
39
40
41			/* yylex - scan for a regular expression token */
42
43			int yylex ()
44		1928	{
45			int toktype;
46			static int beglin = false;
47			extern char *yytext;
48
49	✗✓	1928	if (eofseen)
50			toktype = EOF;
51			else
52		1928	toktype = flexscan ();
53
54	✓✓	1928	if (toktype == EOF \|\| toktype == 0) {
55		5	eofseen = 1;
56
57	✗✓	5	if (sectnum == 1) {
58			synerr (_("premature EOF"));
59			sectnum = 2;
60			toktype = SECTEND;
61			}
62
63			else
64		5	toktype = 0;
65			}
66
67	✗✓	1928	if (trace) {
68			if (beglin) {
69			fprintf (stderr, "%d\t", num_rules + 1);
70			beglin = 0;
71			}
72
73			switch (toktype) {
74			case '<':
75			case '>':
76			case '^':
77			case '$':
78			case '"':
79			case '[':
80			case ']':
81			case '{':
82			case '}':
83			case '\|':
84			case '(':
85			case ')':
86			case '-':
87			case '/':
88			case '\\':
89			case '?':
90			case '.':
91			case '*':
92			case '+':
93			case ',':
94			(void) putc (toktype, stderr);
95			break;
96
97			case '\n':
98			(void) putc ('\n', stderr);
99
100			if (sectnum == 2)
101			beglin = 1;
102
103			break;
104
105			case SCDECL:
106			fputs ("%s", stderr);
107			break;
108
109			case XSCDECL:
110			fputs ("%x", stderr);
111			break;
112
113			case SECTEND:
114			fputs ("%%\n", stderr);
115
116			/* We set beglin to be true so we'll start
117			* writing out numbers as we echo rules.
118			* flexscan() has already assigned sectnum.
119			*/
120			if (sectnum == 2)
121			beglin = 1;
122
123			break;
124
125			case NAME:
126			fprintf (stderr, "'%s'", nmstr);
127			break;
128
129			case CHAR:
130			switch (yylval) {
131			case '<':
132			case '>':
133			case '^':
134			case '$':
135			case '"':
136			case '[':
137			case ']':
138			case '{':
139			case '}':
140			case '\|':
141			case '(':
142			case ')':
143			case '-':
144			case '/':
145			case '\\':
146			case '?':
147			case '.':
148			case '*':
149			case '+':
150			case ',':
151			fprintf (stderr, "\\%c", yylval);
152			break;
153
154			default:
155			if (!isascii (yylval) \|\| !isprint (yylval))
156			fprintf (stderr,
157			"\\%.3o",
158			(unsigned int) yylval);
159			else
160			(void) putc (yylval, stderr);
161			break;
162			}
163
164			break;
165
166			case NUMBER:
167			fprintf (stderr, "%d", yylval);
168			break;
169
170			case PREVCCL:
171			fprintf (stderr, "[%d]", yylval);
172			break;
173
174			case EOF_OP:
175			fprintf (stderr, "<<EOF>>");
176			break;
177
178			case OPTION_OP:
179			fprintf (stderr, "%s ", yytext);
180			break;
181
182			case OPT_OUTFILE:
183			case OPT_PREFIX:
184			case CCE_ALNUM:
185			case CCE_ALPHA:
186			case CCE_BLANK:
187			case CCE_CNTRL:
188			case CCE_DIGIT:
189			case CCE_GRAPH:
190			case CCE_LOWER:
191			case CCE_PRINT:
192			case CCE_PUNCT:
193			case CCE_SPACE:
194			case CCE_UPPER:
195			case CCE_XDIGIT:
196			fprintf (stderr, "%s", yytext);
197			break;
198
199			case 0:
200			fprintf (stderr, _("End Marker\n"));
201			break;
202
203			default:
204			fprintf (stderr,
205			_
206			("Something Weird - tok: %d val: %d\n"),
207			toktype, yylval);
208			break;
209			}
210			}
211
212		1928	return toktype;
213			}