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cmListFileLexer: Fix line number after backslash in string 

If a line inside a string ends in a backslash count the following
newline character as a line increment.  Add a test covering this case to
verify that subsequent line numbers are correct.
This commit is contained in:
Brad King 2012-08-06 09:41:10 -04:00
parent f3155cd62a
commit 1eafa3edaf
6 changed files with 247 additions and 149 deletions
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376
Source/cmListFileLexer.c
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@ -9,7 +9,7 @@
#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 5
#define YY_FLEX_SUBMINOR_VERSION 31
#define YY_FLEX_SUBMINOR_VERSION 35
#if YY_FLEX_SUBMINOR_VERSION > 0
#define FLEX_BETA
#endif
@ -31,7 +31,15 @@
/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
#if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
* if you want the limit (max/min) macros for int types.
*/
#ifndef __STDC_LIMIT_MACROS
#define __STDC_LIMIT_MACROS 1
#endif
#include <inttypes.h>
typedef int8_t flex_int8_t;
typedef uint8_t flex_uint8_t;
@ -46,7 +54,6 @@ typedef int flex_int32_t;
typedef unsigned char flex_uint8_t;
typedef unsigned short int flex_uint16_t;
typedef unsigned int flex_uint32_t;
#endif /* ! C99 */
/* Limits of integral types. */
#ifndef INT8_MIN
@ -77,6 +84,8 @@ typedef unsigned int flex_uint32_t;
#define UINT32_MAX (4294967295U)
#endif
#endif /* ! C99 */
#endif /* ! FLEXINT_H */
#ifdef __cplusplus
@ -86,11 +95,12 @@ typedef unsigned int flex_uint32_t;
#else /* ! __cplusplus */
#if __STDC__
/* C99 requires __STDC__ to be defined as 1. */
#if defined (__STDC__)
#define YY_USE_CONST
#endif /* __STDC__ */
#endif /* defined (__STDC__) */
#endif /* ! __cplusplus */
#ifdef YY_USE_CONST
@ -126,8 +136,6 @@ typedef void* yyscan_t;
#define yycolumn (YY_CURRENT_BUFFER_LVALUE->yy_bs_column)
#define yy_flex_debug yyg->yy_flex_debug_r
int cmListFileLexer_yylex_init (yyscan_t* scanner);
/* Enter a start condition. This macro really ought to take a parameter,
* but we do it the disgusting crufty way forced on us by the ()-less
* definition of BEGIN.
@ -151,9 +159,21 @@ int cmListFileLexer_yylex_init (yyscan_t* scanner);
/* Size of default input buffer. */
#ifndef YY_BUF_SIZE
#ifdef __ia64__
/* On IA-64, the buffer size is 16k, not 8k.
* Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case.
* Ditto for the __ia64__ case accordingly.
*/
#define YY_BUF_SIZE 32768
#else
#define YY_BUF_SIZE 16384
#endif /* __ia64__ */
#endif
/* The state buf must be large enough to hold one state per character in the main buffer.
*/
#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
#ifndef YY_TYPEDEF_YY_BUFFER_STATE
#define YY_TYPEDEF_YY_BUFFER_STATE
typedef struct yy_buffer_state *YY_BUFFER_STATE;
@ -192,14 +212,9 @@ typedef struct yy_buffer_state *YY_BUFFER_STATE;
} \
while ( 0 )
/* The following is because we cannot portably get our hands on size_t
* (without autoconf's help, which isn't available because we want
* flex-generated scanners to compile on their own).
*/
#ifndef YY_TYPEDEF_YY_SIZE_T
#define YY_TYPEDEF_YY_SIZE_T
typedef unsigned int yy_size_t;
typedef size_t yy_size_t;
#endif
#ifndef YY_STRUCT_YY_BUFFER_STATE
@ -354,8 +369,8 @@ static void yy_fatal_error (yyconst char msg[] ,yyscan_t yyscanner );
*yy_cp = '\0'; \
yyg->yy_c_buf_p = yy_cp;
#define YY_NUM_RULES 14
#define YY_END_OF_BUFFER 15
#define YY_NUM_RULES 15
#define YY_END_OF_BUFFER 16
/* This struct is not used in this scanner,
but its presence is necessary. */
struct yy_trans_info
@ -363,12 +378,12 @@ struct yy_trans_info
flex_int32_t yy_verify;
flex_int32_t yy_nxt;
};
static yyconst flex_int16_t yy_accept[39] =
static yyconst flex_int16_t yy_accept[40] =
{ 0,
0, 0, 0, 0, 15, 6, 12, 1, 7, 2,
6, 3, 4, 6, 13, 8, 9, 10, 11, 6,
0, 6, 0, 2, 0, 5, 6, 8, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0
0, 0, 0, 0, 16, 6, 13, 1, 7, 2,
6, 3, 4, 6, 14, 8, 10, 11, 12, 6,
0, 6, 0, 2, 0, 5, 6, 8, 0, 9,
0, 0, 0, 0, 0, 0, 0, 0, 0
} ;
static yyconst flex_int32_t yy_ec[256] =
@ -409,60 +424,58 @@ static yyconst flex_int32_t yy_meta[13] =
4, 1
} ;
static yyconst flex_int16_t yy_base[48] =
static yyconst flex_int16_t yy_base[49] =
{ 0,
0, 0, 10, 20, 34, 32, 89, 89, 89, 0,
23, 89, 89, 35, 0, 18, 89, 89, 44, 0,
49, 21, 0, 0, 19, 0, 0, 15, 59, 0,
18, 0, 15, 12, 11, 10, 9, 89, 64, 68,
72, 76, 80, 13, 84, 12, 10
0, 0, 10, 20, 35, 32, 86, 86, 86, 0,
26, 86, 86, 35, 0, 19, 86, 86, 44, 0,
49, 22, 0, 0, 20, 0, 0, 16, 22, 86,
0, 18, 0, 15, 12, 11, 10, 9, 86, 61,
65, 69, 73, 77, 13, 81, 12, 10
} ;
static yyconst flex_int16_t yy_def[48] =
static yyconst flex_int16_t yy_def[49] =
{ 0,
38, 1, 39, 39, 38, 38, 38, 38, 38, 40,
6, 38, 38, 6, 41, 42, 38, 38, 42, 6,
38, 6, 43, 40, 44, 14, 6, 42, 42, 21,
21, 45, 46, 44, 47, 46, 47, 0, 38, 38,
38, 38, 38, 38, 38, 38, 38
39, 1, 40, 40, 39, 39, 39, 39, 39, 41,
6, 39, 39, 6, 42, 43, 39, 39, 43, 6,
39, 6, 44, 41, 45, 14, 6, 43, 43, 39,
21, 21, 46, 47, 45, 48, 47, 48, 0, 39,
39, 39, 39, 39, 39, 39, 39, 39
} ;
static yyconst flex_int16_t yy_nxt[102] =
static yyconst flex_int16_t yy_nxt[99] =
{ 0,
6, 7, 8, 7, 9, 10, 11, 12, 13, 6,
14, 15, 17, 37, 18, 36, 34, 30, 20, 30,
27, 19, 17, 20, 18, 35, 29, 27, 33, 29,
25, 19, 20, 38, 38, 38, 21, 38, 22, 38,
38, 20, 20, 23, 26, 26, 28, 38, 28, 30,
30, 38, 38, 20, 38, 31, 38, 38, 30, 30,
32, 28, 38, 28, 16, 16, 16, 16, 24, 38,
24, 24, 27, 38, 27, 27, 28, 38, 38, 28,
20, 38, 20, 20, 30, 38, 30, 30, 5, 38,
38, 38, 38, 38, 38, 38, 38, 38, 38, 38,
14, 15, 17, 38, 18, 37, 35, 31, 20, 31,
27, 19, 17, 20, 18, 36, 28, 29, 27, 34,
29, 19, 20, 25, 39, 39, 21, 39, 22, 39,
39, 20, 20, 23, 26, 26, 30, 39, 28, 31,
31, 39, 39, 20, 39, 32, 39, 39, 31, 31,
33, 16, 16, 16, 16, 24, 39, 24, 24, 27,
39, 27, 27, 28, 39, 39, 28, 20, 39, 20,
20, 31, 39, 31, 31, 5, 39, 39, 39, 39,
39, 39, 39, 39, 39, 39, 39, 39
38
} ;
static yyconst flex_int16_t yy_chk[102] =
static yyconst flex_int16_t yy_chk[99] =
{ 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 3, 47, 3, 46, 44, 37, 36, 35,
34, 3, 4, 33, 4, 31, 28, 25, 22, 16,
11, 4, 6, 5, 0, 0, 6, 0, 6, 0,
1, 1, 3, 48, 3, 47, 45, 38, 37, 36,
35, 3, 4, 34, 4, 32, 29, 28, 25, 22,
16, 4, 6, 11, 5, 0, 6, 0, 6, 0,
0, 6, 6, 6, 14, 14, 19, 0, 19, 21,
21, 0, 0, 21, 0, 21, 0, 0, 21, 21,
21, 29, 0, 29, 39, 39, 39, 39, 40, 0,
40, 40, 41, 0, 41, 41, 42, 0, 0, 42,
43, 0, 43, 43, 45, 0, 45, 45, 38, 38,
38, 38, 38, 38, 38, 38, 38, 38, 38, 38,
21, 40, 40, 40, 40, 41, 0, 41, 41, 42,
0, 42, 42, 43, 0, 0, 43, 44, 0, 44,
44, 46, 0, 46, 46, 39, 39, 39, 39, 39,
39, 39, 39, 39, 39, 39, 39, 39
38
} ;
/* Table of booleans, true if rule could match eol. */
static yyconst flex_int32_t yy_rule_can_match_eol[15] =
static yyconst flex_int32_t yy_rule_can_match_eol[16] =
{ 0,
1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, };
1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, };
/* The intent behind this definition is that it'll catch
* any uses of REJECT which flex missed.
@ -494,6 +507,7 @@ Run flex like this:
Modify cmListFileLexer.c:
- remove TABs
- remove use of the 'register' storage class specifier
- remove the yyunput function
- add a statement "(void)yyscanner;" to the top of these methods:
yy_fatal_error, cmListFileLexer_yyalloc, cmListFileLexer_yyrealloc, cmListFileLexer_yyfree
@ -540,7 +554,7 @@ static void cmListFileLexerDestroy(cmListFileLexer* lexer);
/*--------------------------------------------------------------------------*/
#line 568 "cmListFileLexer.c"
#line 560 "cmListFileLexer.c"
#define INITIAL 0
#define STRING 1
@ -591,6 +605,12 @@ struct yyguts_t
}; /* end struct yyguts_t */
static int yy_init_globals (yyscan_t yyscanner );
int cmListFileLexer_yylex_init (yyscan_t* scanner);
int cmListFileLexer_yylex_init_extra (YY_EXTRA_TYPE user_defined,yyscan_t* scanner);
/* Accessor methods to globals.
These are made visible to non-reentrant scanners for convenience. */
@ -620,6 +640,10 @@ int cmListFileLexer_yyget_lineno (yyscan_t yyscanner );
void cmListFileLexer_yyset_lineno (int line_number ,yyscan_t yyscanner );
int cmListFileLexer_yyget_column (yyscan_t yyscanner );
void cmListFileLexer_yyset_column (int column_no ,yyscan_t yyscanner );
/* Macros after this point can all be overridden by user definitions in
* section 1.
*/
@ -652,7 +676,12 @@ static int input (yyscan_t yyscanner );
/* Amount of stuff to slurp up with each read. */
#ifndef YY_READ_BUF_SIZE
#ifdef __ia64__
/* On IA-64, the buffer size is 16k, not 8k */
#define YY_READ_BUF_SIZE 16384
#else
#define YY_READ_BUF_SIZE 8192
#endif /* __ia64__ */
#endif
/* Copy whatever the last rule matched to the standard output. */
@ -660,7 +689,7 @@ static int input (yyscan_t yyscanner );
/* This used to be an fputs(), but since the string might contain NUL's,
* we now use fwrite().
*/
#define ECHO (void) fwrite( yytext, yyleng, 1, yyout )
#define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0)
#endif
/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL,
@ -754,14 +783,14 @@ YY_DECL
int yy_act;
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
#line 100 "cmListFileLexer.in.l"
#line 79 "cmListFileLexer.in.l"
#line 787 "cmListFileLexer.c"
#line 794 "cmListFileLexer.c"
if ( yyg->yy_init )
if ( !yyg->yy_init )
{
yyg->yy_init = 0;
yyg->yy_init = 1;
#ifdef YY_USER_INIT
YY_USER_INIT;
@ -810,13 +839,13 @@ yy_match:
while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
{
yy_current_state = (int) yy_def[yy_current_state];
if ( yy_current_state >= 39 )
if ( yy_current_state >= 40 )
yy_c = yy_meta[(unsigned int) yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
++yy_cp;
}
while ( yy_base[yy_current_state] != 89 );
while ( yy_base[yy_current_state] != 86 );
yy_find_action:
yy_act = yy_accept[yy_current_state];
@ -855,7 +884,7 @@ do_action: /* This label is used only to access EOF actions. */
case 1:
/* rule 1 can match eol */
YY_RULE_SETUP
#line 102 "cmListFileLexer.in.l"
#line 81 "cmListFileLexer.in.l"
{
lexer->token.type = cmListFileLexer_Token_Newline;
cmListFileLexerSetToken(lexer, yytext, yyleng);
@ -865,14 +894,14 @@ YY_RULE_SETUP
}
case 2:
YY_RULE_SETUP
#line 110 "cmListFileLexer.in.l"
#line 89 "cmListFileLexer.in.l"
{
lexer->column += yyleng;
}
YY_BREAK
case 3:
YY_RULE_SETUP
#line 114 "cmListFileLexer.in.l"
#line 93 "cmListFileLexer.in.l"
{
lexer->token.type = cmListFileLexer_Token_ParenLeft;
cmListFileLexerSetToken(lexer, yytext, yyleng);
@ -881,7 +910,7 @@ YY_RULE_SETUP
}
case 4:
YY_RULE_SETUP
#line 121 "cmListFileLexer.in.l"
#line 100 "cmListFileLexer.in.l"
{
lexer->token.type = cmListFileLexer_Token_ParenRight;
cmListFileLexerSetToken(lexer, yytext, yyleng);
@ -890,7 +919,7 @@ YY_RULE_SETUP
}
case 5:
YY_RULE_SETUP
#line 128 "cmListFileLexer.in.l"
#line 107 "cmListFileLexer.in.l"
{
lexer->token.type = cmListFileLexer_Token_Identifier;
cmListFileLexerSetToken(lexer, yytext, yyleng);
@ -899,7 +928,7 @@ YY_RULE_SETUP
}
case 6:
YY_RULE_SETUP
#line 135 "cmListFileLexer.in.l"
#line 114 "cmListFileLexer.in.l"
{
lexer->token.type = cmListFileLexer_Token_ArgumentUnquoted;
cmListFileLexerSetToken(lexer, yytext, yyleng);
@ -908,7 +937,7 @@ YY_RULE_SETUP
}
case 7:
YY_RULE_SETUP
#line 142 "cmListFileLexer.in.l"
#line 121 "cmListFileLexer.in.l"
{
lexer->token.type = cmListFileLexer_Token_ArgumentQuoted;
cmListFileLexerSetToken(lexer, "", 0);
@ -917,9 +946,8 @@ YY_RULE_SETUP
}
YY_BREAK
case 8:
/* rule 8 can match eol */
YY_RULE_SETUP
#line 149 "cmListFileLexer.in.l"
#line 128 "cmListFileLexer.in.l"
{
cmListFileLexerAppend(lexer, yytext, yyleng);
lexer->column += yyleng;
@ -928,7 +956,7 @@ YY_RULE_SETUP
case 9:
/* rule 9 can match eol */
YY_RULE_SETUP
#line 154 "cmListFileLexer.in.l"
#line 133 "cmListFileLexer.in.l"
{
cmListFileLexerAppend(lexer, yytext, yyleng);
++lexer->line;
@ -936,38 +964,48 @@ YY_RULE_SETUP
}
YY_BREAK
case 10:
/* rule 10 can match eol */
YY_RULE_SETUP
#line 160 "cmListFileLexer.in.l"
#line 139 "cmListFileLexer.in.l"
{
cmListFileLexerAppend(lexer, yytext, yyleng);
++lexer->line;
lexer->column = 1;
}
YY_BREAK
case 11:
YY_RULE_SETUP
#line 145 "cmListFileLexer.in.l"
{
lexer->column += yyleng;
BEGIN(INITIAL);
return 1;
}
case 11:
case 12:
YY_RULE_SETUP
#line 166 "cmListFileLexer.in.l"
#line 151 "cmListFileLexer.in.l"
{
cmListFileLexerAppend(lexer, yytext, yyleng);
lexer->column += yyleng;
}
YY_BREAK
case YY_STATE_EOF(STRING):
#line 171 "cmListFileLexer.in.l"
#line 156 "cmListFileLexer.in.l"
{
lexer->token.type = cmListFileLexer_Token_BadString;
BEGIN(INITIAL);
return 1;
}
case 12:
case 13:
YY_RULE_SETUP
#line 177 "cmListFileLexer.in.l"
#line 162 "cmListFileLexer.in.l"
{
lexer->column += yyleng;
}
YY_BREAK
case 13:
case 14:
YY_RULE_SETUP
#line 181 "cmListFileLexer.in.l"
#line 166 "cmListFileLexer.in.l"
{
lexer->token.type = cmListFileLexer_Token_BadCharacter;
cmListFileLexerSetToken(lexer, yytext, yyleng);
@ -975,18 +1013,18 @@ YY_RULE_SETUP
return 1;
}
case YY_STATE_EOF(INITIAL):
#line 188 "cmListFileLexer.in.l"
#line 173 "cmListFileLexer.in.l"
{
lexer->token.type = cmListFileLexer_Token_None;
cmListFileLexerSetToken(lexer, 0, 0);
return 0;
}
case 14:
case 15:
YY_RULE_SETUP
#line 194 "cmListFileLexer.in.l"
#line 179 "cmListFileLexer.in.l"
ECHO;
YY_BREAK
#line 1025 "cmListFileLexer.c"
#line 1041 "cmListFileLexer.c"
case YY_END_OF_BUFFER:
{
@ -1171,7 +1209,7 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
else
{
size_t num_to_read =
int num_to_read =
YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
while ( num_to_read <= 0 )
@ -1216,7 +1254,7 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
/* Read in more data. */
YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
yyg->yy_n_chars, num_to_read );
yyg->yy_n_chars, (size_t) num_to_read );
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
}
@ -1240,6 +1278,14 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
else
ret_val = EOB_ACT_CONTINUE_SCAN;
if ((yy_size_t) (yyg->yy_n_chars + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
/* Extend the array by 50%, plus the number we really need. */
yy_size_t new_size = yyg->yy_n_chars + number_to_move + (yyg->yy_n_chars >> 1);
YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) cmListFileLexer_yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ,yyscanner );
if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
}
yyg->yy_n_chars += number_to_move;
YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] = YY_END_OF_BUFFER_CHAR;
YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
@ -1270,7 +1316,7 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
{
yy_current_state = (int) yy_def[yy_current_state];
if ( yy_current_state >= 39 )
if ( yy_current_state >= 40 )
yy_c = yy_meta[(unsigned int) yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
@ -1287,7 +1333,7 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state , yyscan_t yyscanner)
{
int yy_is_jam;
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; /* This var may be unused depending upon options. */
char *yy_cp = yyg->yy_c_buf_p;
YY_CHAR yy_c = 1;
@ -1299,11 +1345,11 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
{
yy_current_state = (int) yy_def[yy_current_state];
if ( yy_current_state >= 39 )
if ( yy_current_state >= 40 )
yy_c = yy_meta[(unsigned int) yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
yy_is_jam = (yy_current_state == 38);
yy_is_jam = (yy_current_state == 39);
return yy_is_jam ? 0 : yy_current_state;
}
@ -1633,6 +1679,8 @@ static void cmListFileLexer_yyensure_buffer_stack (yyscan_t yyscanner)
yyg->yy_buffer_stack = (struct yy_buffer_state**)cmListFileLexer_yyalloc
(num_to_alloc * sizeof(struct yy_buffer_state*)
, yyscanner);
if ( ! yyg->yy_buffer_stack )
YY_FATAL_ERROR( "out of dynamic memory in cmListFileLexer_yyensure_buffer_stack()" );
memset(yyg->yy_buffer_stack, 0, num_to_alloc * sizeof(struct yy_buffer_state*));
@ -1651,6 +1699,8 @@ static void cmListFileLexer_yyensure_buffer_stack (yyscan_t yyscanner)
(yyg->yy_buffer_stack,
num_to_alloc * sizeof(struct yy_buffer_state*)
, yyscanner);
if ( ! yyg->yy_buffer_stack )
YY_FATAL_ERROR( "out of dynamic memory in cmListFileLexer_yyensure_buffer_stack()" );
/* zero only the new slots.*/
memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0, grow_size * sizeof(struct yy_buffer_state*));
@ -1695,26 +1745,26 @@ YY_BUFFER_STATE cmListFileLexer_yy_scan_buffer (char * base, yy_size_t size ,
/** Setup the input buffer state to scan a string. The next call to cmListFileLexer_yylex() will
* scan from a @e copy of @a str.
* @param str a NUL-terminated string to scan
* @param yystr a NUL-terminated string to scan
* @param yyscanner The scanner object.
* @return the newly allocated buffer state object.
* @note If you want to scan bytes that may contain NUL values, then use
* cmListFileLexer_yy_scan_bytes() instead.
*/
YY_BUFFER_STATE cmListFileLexer_yy_scan_string (yyconst char * yy_str , yyscan_t yyscanner)
YY_BUFFER_STATE cmListFileLexer_yy_scan_string (yyconst char * yystr , yyscan_t yyscanner)
{
return cmListFileLexer_yy_scan_bytes(yy_str,strlen(yy_str) ,yyscanner);
return cmListFileLexer_yy_scan_bytes(yystr,strlen(yystr) ,yyscanner);
}
/** Setup the input buffer state to scan the given bytes. The next call to cmListFileLexer_yylex() will
* scan from a @e copy of @a bytes.
* @param bytes the byte buffer to scan
* @param len the number of bytes in the buffer pointed to by @a bytes.
* @param yybytes the byte buffer to scan
* @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes.
* @param yyscanner The scanner object.
* @return the newly allocated buffer state object.
*/
YY_BUFFER_STATE cmListFileLexer_yy_scan_bytes (yyconst char * bytes, int len , yyscan_t yyscanner)
YY_BUFFER_STATE cmListFileLexer_yy_scan_bytes (yyconst char * yybytes, int _yybytes_len , yyscan_t yyscanner)
{
YY_BUFFER_STATE b;
char *buf;
@ -1722,15 +1772,15 @@ YY_BUFFER_STATE cmListFileLexer_yy_scan_bytes (yyconst char * bytes, int len ,
int i;
/* Get memory for full buffer, including space for trailing EOB's. */
n = len + 2;
n = _yybytes_len + 2;
buf = (char *) cmListFileLexer_yyalloc(n ,yyscanner );
if ( ! buf )
YY_FATAL_ERROR( "out of dynamic memory in cmListFileLexer_yy_scan_bytes()" );
for ( i = 0; i < len; ++i )
buf[i] = bytes[i];
for ( i = 0; i < _yybytes_len; ++i )
buf[i] = yybytes[i];
buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
b = cmListFileLexer_yy_scan_buffer(buf,n ,yyscanner);
if ( ! b )
@ -1918,37 +1968,6 @@ void cmListFileLexer_yyset_debug (int bdebug , yyscan_t yyscanner)
/* Accessor methods for yylval and yylloc */
static int yy_init_globals (yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
/* Initialization is the same as for the non-reentrant scanner.
This function is called once per scanner lifetime. */
yyg->yy_buffer_stack = 0;
yyg->yy_buffer_stack_top = 0;
yyg->yy_buffer_stack_max = 0;
yyg->yy_c_buf_p = (char *) 0;
yyg->yy_init = 1;
yyg->yy_start = 0;
yyg->yy_start_stack_ptr = 0;
yyg->yy_start_stack_depth = 0;
yyg->yy_start_stack = (int *) 0;
/* Defined in main.c */
#ifdef YY_STDINIT
yyin = stdin;
yyout = stdout;
#else
yyin = (FILE *) 0;
yyout = (FILE *) 0;
#endif
/* For future reference: Set errno on error, since we are called by
* cmListFileLexer_yylex_init()
*/
return 0;
}
/* User-visible API */
/* cmListFileLexer_yylex_init is special because it creates the scanner itself, so it is
@ -1971,11 +1990,81 @@ int cmListFileLexer_yylex_init(yyscan_t* ptr_yy_globals)
return 1;
}
memset(*ptr_yy_globals,0,sizeof(struct yyguts_t));
/* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for releases. */
memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t));
return yy_init_globals ( *ptr_yy_globals );
}
/* cmListFileLexer_yylex_init_extra has the same functionality as cmListFileLexer_yylex_init, but follows the
* convention of taking the scanner as the last argument. Note however, that
* this is a *pointer* to a scanner, as it will be allocated by this call (and
* is the reason, too, why this function also must handle its own declaration).
* The user defined value in the first argument will be available to cmListFileLexer_yyalloc in
* the yyextra field.
*/
int cmListFileLexer_yylex_init_extra(YY_EXTRA_TYPE yy_user_defined,yyscan_t* ptr_yy_globals )
{
struct yyguts_t dummy_yyguts;
cmListFileLexer_yyset_extra (yy_user_defined, &dummy_yyguts);
if (ptr_yy_globals == NULL){
errno = EINVAL;
return 1;
}
*ptr_yy_globals = (yyscan_t) cmListFileLexer_yyalloc ( sizeof( struct yyguts_t ), &dummy_yyguts );
if (*ptr_yy_globals == NULL){
errno = ENOMEM;
return 1;
}
/* By setting to 0xAA, we expose bugs in
yy_init_globals. Leave at 0x00 for releases. */
memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t));
cmListFileLexer_yyset_extra (yy_user_defined, *ptr_yy_globals);
return yy_init_globals ( *ptr_yy_globals );
}
static int yy_init_globals (yyscan_t yyscanner)
{
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
/* Initialization is the same as for the non-reentrant scanner.
* This function is called from cmListFileLexer_yylex_destroy(), so don't allocate here.
*/
yyg->yy_buffer_stack = 0;
yyg->yy_buffer_stack_top = 0;
yyg->yy_buffer_stack_max = 0;
yyg->yy_c_buf_p = (char *) 0;
yyg->yy_init = 0;
yyg->yy_start = 0;
yyg->yy_start_stack_ptr = 0;
yyg->yy_start_stack_depth = 0;
yyg->yy_start_stack = NULL;
/* Defined in main.c */
#ifdef YY_STDINIT
yyin = stdin;
yyout = stdout;
#else
yyin = (FILE *) 0;
yyout = (FILE *) 0;
#endif
/* For future reference: Set errno on error, since we are called by
* cmListFileLexer_yylex_init()
*/
return 0;
}
/* cmListFileLexer_yylex_destroy is for both reentrant and non-reentrant scanners. */
int cmListFileLexer_yylex_destroy (yyscan_t yyscanner)
{
@ -1996,8 +2085,13 @@ int cmListFileLexer_yylex_destroy (yyscan_t yyscanner)
cmListFileLexer_yyfree(yyg->yy_start_stack ,yyscanner );
yyg->yy_start_stack = NULL;
/* Reset the globals. This is important in a non-reentrant scanner so the next time
* cmListFileLexer_yylex() is called, initialization will occur. */
yy_init_globals( yyscanner);
/* Destroy the main struct (reentrant only). */
cmListFileLexer_yyfree ( yyscanner , yyscanner );
yyscanner = NULL;
return 0;
}
@ -2009,7 +2103,6 @@ int cmListFileLexer_yylex_destroy (yyscan_t yyscanner)
static void yy_flex_strncpy (char* s1, yyconst char * s2, int n , yyscan_t yyscanner)
{
int i;
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
for ( i = 0; i < n; ++i )
s1[i] = s2[i];
}
@ -2019,7 +2112,6 @@ static void yy_flex_strncpy (char* s1, yyconst char * s2, int n , yyscan_t yysca
static int yy_flex_strlen (yyconst char * s , yyscan_t yyscanner)
{
int n;
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
for ( n = 0; s[n]; ++n )
;
@ -2054,19 +2146,7 @@ void cmListFileLexer_yyfree (void * ptr , yyscan_t yyscanner)
#define YYTABLES_NAME "yytables"
#undef YY_NEW_FILE
#undef YY_FLUSH_BUFFER
#undef yy_set_bol
#undef yy_new_buffer
#undef yy_set_interactive
#undef yytext_ptr
#undef YY_DO_BEFORE_ACTION
#ifdef YY_DECL_IS_OURS
#undef YY_DECL_IS_OURS
#undef YY_DECL
#endif
#line 194 "cmListFileLexer.in.l"
#line 179 "cmListFileLexer.in.l"
@ -2122,7 +2202,7 @@ static void cmListFileLexerAppend(cmListFileLexer* lexer, const char* text,
}
/* We need to extend the buffer. */
temp = (char*)malloc(newSize);
temp = malloc(newSize);
if(lexer->token.text)
{
memcpy(temp, lexer->token.text, lexer->token.length);

8
Source/cmListFileLexer.in.l
View File

@ -125,11 +125,17 @@ MAKEVAR \$\([A-Za-z0-9_]*\)
BEGIN(STRING);
}
<STRING>([^\\\n\"]|\\(.|\n))+ {
<STRING>([^\\\n\"]|\\.)+ {
cmListFileLexerAppend(lexer, yytext, yyleng);
lexer->column += yyleng;
}
<STRING>\\\n {
cmListFileLexerAppend(lexer, yytext, yyleng);
++lexer->line;
lexer->column = 1;
}
<STRING>\n {
cmListFileLexerAppend(lexer, yytext, yyleng);
++lexer->line;

1
Tests/RunCMake/Syntax/RunCMakeTest.cmake
View File

@ -6,4 +6,5 @@ run_cmake(StringNoSpace)
run_cmake(Unquoted0)
run_cmake(Unquoted1)
run_cmake(UnterminatedCall1)
run_cmake(UnterminatedCall2)
run_cmake(UnterminatedString)

1
Tests/RunCMake/Syntax/UnterminatedCall2-result.txt Normal file
View File

@ -0,0 +1 @@
1

7
Tests/RunCMake/Syntax/UnterminatedCall2-stderr.txt Normal file
View File

@ -0,0 +1,7 @@
CMake Error: Error in cmake code at
.*/Syntax/UnterminatedCall2.cmake:4:
Parse error. Function missing ending "\)". End of file reached.
CMake Error at CMakeLists.txt:3 \(include\):
include could not find load file:
UnterminatedCall2.cmake

3
Tests/RunCMake/Syntax/UnterminatedCall2.cmake Normal file
View File

@ -0,0 +1,3 @@
set(var "\
")
message(