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authorJonathan McCrohan <jmccrohan@gmail.com>2011-12-01 23:47:41 +0000
committerJonathan McCrohan <jmccrohan@gmail.com>2011-12-01 23:47:41 +0000
commit1eaceca55c7e62892fd28bfbb5fc03240a48cee3 (patch)
tree7243fcd09c57e06e72b15f0044fd2c77babd7843 /scanner.l
parentd4b5ddf4bcacd692011f5a597025c38a1262d6ca (diff)
parent429e46051dba814e7d6c74368eb1bba550222cbe (diff)
downloadlibconfig-1eaceca55c7e62892fd28bfbb5fc03240a48cee3.tar.gz
Merge commit 'upstream/1.4.8'
Conflicts: debian/changelog debian/control debian/libconfig++9-dev.install debian/libconfig8.install debian/libconfig9-dev.install debian/rules
Diffstat (limited to 'scanner.l')
-rw-r--r--scanner.l222
1 files changed, 0 insertions, 222 deletions
diff --git a/scanner.l b/scanner.l
deleted file mode 100644
index 1f9c73d..0000000
--- a/scanner.l
+++ /dev/null
@@ -1,222 +0,0 @@
-/* -*- mode: C -*- */
-/* --------------------------------------------------------------------------
- libconfig - A library for processing structured configuration files
- Copyright (C) 2005-2009 Mark A Lindner
-
- This file is part of libconfig.
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public License
- as published by the Free Software Foundation; either version 2.1 of
- the License, or (at your option) any later version.
-
- This library is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, see
- <http://www.gnu.org/licenses/>.
- ----------------------------------------------------------------------------
-*/
-
-%{
-#define YY_EXTRA_TYPE void*
-%}
-
-%option nounistd
-%option reentrant
-%option noyywrap
-%option yylineno
-%option nounput
-%option bison-bridge
-%option header-file="scanner.h"
-%option outfile="lex.yy.c"
-
-%{
-
-#ifdef _MSC_VER
-#pragma warning (disable: 4996)
-#endif
-
-#include <stdlib.h>
-#include <ctype.h>
-#include <string.h>
-#include "grammar.h"
-#include "wincompat.h"
-
-/* this is somewhat kludgy, but I wanted to avoid building strings
- dynamically during scanning */
-
-static char *make_string(char *s)
-{
- char *r = ++s;
- char *p, *q = r;
- size_t len = strlen(r);
- int esc = 0;
-
- *(r + --len) = 0;
-
- for(p = r; *p; p++)
- {
- if(*p == '\\')
- {
- if(! esc)
- {
- esc = 1;
- continue;
- }
- }
-
- if(esc)
- {
- if(*p == 'n')
- *(q++) = '\n';
- else if(*p == 'r')
- *(q++) = '\r';
- else if(*p == 'f')
- *(q++) = '\f';
- else if(*p == 't')
- *(q++) = '\t';
- else
- *(q++) = *p;
-
- esc = 0;
- }
-
- else if(*p == '\"') /* if we reached the end of a string segment, ... */
- {
- /* This construction allows for C-style string concatenation.
- We don't bother to check for end-of-string here, as we depend
- on the {string} definition to ensure a new opening quote exists.
- We do, however, check for and discard all forms of comments
- [that is, (#...$|//...$|[/][*]...[*][/])] between string segments. */
-
- while (*++p != '\"') /* ... look for the start of the next segment */
- {
- if(*p == '#') /* check for #...$ comment */
- {
- while(*++p != '\n')
- {
- /* skip the rest of the line */
- }
- }
- else if (*p == '/')
- {
- if(*++p == '/') /* check for //...$ comment */
- {
- while (*++p != '\n')
- {
- /* skip the rest of the line */
- }
- }
- else /* must be '*', lead-in to an old C-style comment */
- {
- while (*++p != '*' || *(p+1) != '/')
- {
- /* skip all comment content */
- }
- ++p; /* step to the trailing slash, to skip it as well */
- }
- }
- }
- }
- else
- *(q++) = *p;
- }
-
- *q = 0;
-
- return(r);
-}
-
-static unsigned long long fromhex(const char *s)
-{
-#ifdef __MINGW32__
-
- // MinGW's strtoull() seems to be broken; it only returns the lower
- // 32 bits...
-
- const char *p = s;
- unsigned long long val = 0;
-
- if(*p != '0')
- return(0);
-
- ++p;
-
- if(*p != 'x' && *p != 'X')
- return(0);
-
- for(++p; isxdigit(*p); ++p)
- {
- val <<= 4;
- val |= ((*p < 'A') ? (*p & 0xF) : (9 + (*p & 0x7)));
- }
-
- return(val);
-
-#else // ! __MINGW32__
-
- return(strtoull(s, NULL, 16));
-
-#endif // __MINGW32__
-}
-
-%}
-
-ws [ \t\f\r\n]+
-equals \=|\:
-comma ,
-group_start \{
-group_end \}
-true [Tt][Rr][Uu][Ee]
-false [Ff][Aa][Ll][Ss][Ee]
-name [A-Za-z\*][-A-Za-z0-9_\*]*
-quote \"
-integer [-+]?[0-9]+
-integer64 [-+]?[0-9]+L(L)?
-hex 0[Xx][0-9A-Fa-f]+
-hex64 0[Xx][0-9A-Fa-f]+L(L)?
-float ([-+]?([0-9]*)?\.[0-9]*([eE][-+]?[0-9]+)?)|([-+]?([0-9]+)(\.[0-9]*)?[eE][-+]?[0-9]+)
-segment {quote}([^\"\\]|\\.)*{quote}
-string {segment}(([ \t\f\r\n]*((#|\/\/).*\n|\/\*(.|\n)*\*\/)*)*{segment})*
-end ;
-array_start \[
-array_end \]
-list_start \(
-list_end \)
-comment (#|\/\/).*$
-
-%x COMMENT
-
-%%
-
-\/\* { BEGIN COMMENT; }
-<COMMENT>\*\/ { BEGIN INITIAL; }
-<COMMENT>. { /* ignore */ }
-<COMMENT>\n { }
-
-{ws} { /* skip */ }
-
-{equals} { return(TOK_EQUALS); }
-{comma} { return(TOK_COMMA); }
-{group_start} { return(TOK_GROUP_START); }
-{group_end} { return(TOK_GROUP_END); }
-{true} { yylval->ival = 1; return(TOK_BOOLEAN); }
-{false} { yylval->ival = 0; return(TOK_BOOLEAN); }
-{name} { yylval->sval = strdup(yytext); return(TOK_NAME); }
-{float} { yylval->fval = atof(yytext); return(TOK_FLOAT); }
-{integer} { yylval->ival = atoi(yytext); return(TOK_INTEGER); }
-{integer64} { yylval->llval = atoll(yytext); return(TOK_INTEGER64); }
-{hex} { yylval->ival = strtoul(yytext, NULL, 16); return(TOK_HEX); }
-{hex64} { yylval->llval = fromhex(yytext); return(TOK_HEX64); }
-{string} { yylval->sval = strdup(make_string(yytext)); return(TOK_STRING); }
-{array_start} { return(TOK_ARRAY_START); }
-{array_end} { return(TOK_ARRAY_END); }
-{list_start} { return(TOK_LIST_START); }
-{list_end} { return(TOK_LIST_END); }
-{end} { return(TOK_END); }
-{comment} { /* ignore */ }
-. { return(TOK_GARBAGE); }