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cmListFileLexer: Fix lexing of single '[' character (#15092) 

The lexer changes in commit v3.0.0-rc1~495^2 (Add Lua-style long
brackets and long comments to CMake language, 2013-08-06) accidentally
left out matching '[' as a single character in an unquoted argument.
Add a lexer rule to match it and extend the RunCMake.Syntax test to
cover this case.
This commit is contained in:
Brad King 2014-08-18 10:18:20 -04:00
parent 55d6aa36a5
commit 02b3cba9df
4 changed files with 51 additions and 35 deletions
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75
Source/cmListFileLexer.c
View File

@ -369,8 +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 23
#define YY_END_OF_BUFFER 24
#define YY_NUM_RULES 24
#define YY_END_OF_BUFFER 25
/* This struct is not used in this scanner,
but its presence is necessary. */
struct yy_trans_info
@ -381,10 +381,10 @@ struct yy_trans_info
static yyconst flex_int16_t yy_accept[77] =
{ 0,
0, 0, 0, 0, 0, 0, 0, 0, 4, 4,
24, 13, 21, 1, 15, 3, 13, 5, 6, 7,
22, 22, 16, 18, 19, 20, 10, 11, 8, 12,
9, 4, 13, 0, 13, 0, 21, 0, 0, 7,
13, 0, 13, 0, 2, 0, 13, 16, 0, 17,
25, 13, 22, 1, 16, 3, 13, 5, 6, 7,
15, 23, 17, 19, 20, 21, 10, 11, 8, 12,
9, 4, 13, 0, 13, 0, 22, 0, 0, 7,
13, 0, 13, 0, 2, 0, 13, 17, 0, 18,
10, 8, 4, 0, 14, 0, 0, 0, 0, 14,
0, 0, 14, 0, 0, 0, 2, 14, 0, 0,
0, 0, 0, 0, 0, 0
@ -523,10 +523,10 @@ static yyconst flex_int16_t yy_chk[253] =
} ;
/* Table of booleans, true if rule could match eol. */
static yyconst flex_int32_t yy_rule_can_match_eol[24] =
static yyconst flex_int32_t yy_rule_can_match_eol[25] =
{ 0,
1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0,
0, 0, 0, 0, };
1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 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.
@ -615,7 +615,7 @@ static void cmListFileLexerDestroy(cmListFileLexer* lexer);
#line 621 "cmListFileLexer.c"
#line 628 "cmListFileLexer.c"
#define INITIAL 0
#define STRING 1
@ -850,7 +850,7 @@ YY_DECL
#line 91 "cmListFileLexer.in.l"
#line 858 "cmListFileLexer.c"
#line 865 "cmListFileLexer.c"
if ( !yyg->yy_init )
{
@ -1110,6 +1110,15 @@ YY_RULE_SETUP
case 15:
YY_RULE_SETUP
#line 215 "cmListFileLexer.in.l"
{
lexer->token.type = cmListFileLexer_Token_ArgumentUnquoted;
cmListFileLexerSetToken(lexer, yytext, yyleng);
lexer->column += yyleng;
return 1;
}
case 16:
YY_RULE_SETUP
#line 222 "cmListFileLexer.in.l"
{
lexer->token.type = cmListFileLexer_Token_ArgumentQuoted;
cmListFileLexerSetToken(lexer, "", 0);
@ -1117,69 +1126,69 @@ YY_RULE_SETUP
BEGIN(STRING);
}
YY_BREAK
case 16:
case 17:
YY_RULE_SETUP
#line 222 "cmListFileLexer.in.l"
#line 229 "cmListFileLexer.in.l"
{
cmListFileLexerAppend(lexer, yytext, yyleng);
lexer->column += yyleng;
}
YY_BREAK
case 17:
/* rule 17 can match eol */
case 18:
/* rule 18 can match eol */
YY_RULE_SETUP
#line 227 "cmListFileLexer.in.l"
#line 234 "cmListFileLexer.in.l"
{
/* Continuation: text is not part of string */
++lexer->line;
lexer->column = 1;
}
YY_BREAK
case 18:
/* rule 18 can match eol */
case 19:
/* rule 19 can match eol */
YY_RULE_SETUP
#line 233 "cmListFileLexer.in.l"
#line 240 "cmListFileLexer.in.l"
{
cmListFileLexerAppend(lexer, yytext, yyleng);
++lexer->line;
lexer->column = 1;
}
YY_BREAK
case 19:
case 20:
YY_RULE_SETUP
#line 239 "cmListFileLexer.in.l"
#line 246 "cmListFileLexer.in.l"
{
lexer->column += yyleng;
BEGIN(INITIAL);
return 1;
}
case 20:
case 21:
YY_RULE_SETUP
#line 245 "cmListFileLexer.in.l"
#line 252 "cmListFileLexer.in.l"
{
cmListFileLexerAppend(lexer, yytext, yyleng);
lexer->column += yyleng;
}
YY_BREAK
case YY_STATE_EOF(STRING):
#line 250 "cmListFileLexer.in.l"
#line 257 "cmListFileLexer.in.l"
{
lexer->token.type = cmListFileLexer_Token_BadString;
BEGIN(INITIAL);
return 1;
}
case 21:
case 22:
YY_RULE_SETUP
#line 256 "cmListFileLexer.in.l"
#line 263 "cmListFileLexer.in.l"
{
lexer->token.type = cmListFileLexer_Token_Space;
cmListFileLexerSetToken(lexer, yytext, yyleng);
lexer->column += yyleng;
return 1;
}
case 22:
case 23:
YY_RULE_SETUP
#line 263 "cmListFileLexer.in.l"
#line 270 "cmListFileLexer.in.l"
{
lexer->token.type = cmListFileLexer_Token_BadCharacter;
cmListFileLexerSetToken(lexer, yytext, yyleng);
@ -1188,18 +1197,18 @@ YY_RULE_SETUP
}
case YY_STATE_EOF(INITIAL):
case YY_STATE_EOF(COMMENT):
#line 270 "cmListFileLexer.in.l"
#line 277 "cmListFileLexer.in.l"
{
lexer->token.type = cmListFileLexer_Token_None;
cmListFileLexerSetToken(lexer, 0, 0);
return 0;
}
case 23:
case 24:
YY_RULE_SETUP
#line 276 "cmListFileLexer.in.l"
#line 283 "cmListFileLexer.in.l"
ECHO;
YY_BREAK
#line 1220 "cmListFileLexer.c"
#line 1238 "cmListFileLexer.c"
case YY_END_OF_BUFFER:
{
@ -2320,7 +2329,7 @@ void cmListFileLexer_yyfree (void * ptr , yyscan_t yyscanner)
#define YYTABLES_NAME "yytables"
#line 276 "cmListFileLexer.in.l"
#line 282 "cmListFileLexer.in.l"

7
Source/cmListFileLexer.in.l
View File

@ -212,6 +212,13 @@ LEGACY {MAKEVAR}|{UNQUOTED}|\"({MAKEVAR}|{UNQUOTED}|[ \t[=])*\"
return 1;
}
\[ {
lexer->token.type = cmListFileLexer_Token_ArgumentUnquoted;
cmListFileLexerSetToken(lexer, yytext, yyleng);
lexer->column += yyleng;
return 1;
}
\" {
lexer->token.type = cmListFileLexer_Token_ArgumentQuoted;
cmListFileLexerSetToken(lexer, "", 0);

2
Tests/RunCMake/Syntax/Unquoted1-stderr.txt
View File

@ -1 +1 @@
^\[\]\[=\]\[\$\$\(MV\)-DSTR=" \[="\[;\]$
^\[\]\[=\]\[\$\$\(MV\)-DSTR=" \[="\[;\]\]\[$

2
Tests/RunCMake/Syntax/Unquoted1.cmake
View File

@ -1 +1 @@
message([] [=] [$ $(MV) -DSTR=" [=" [;])
message([] [=] [$ $(MV) -DSTR=" [=" [;] ] [)