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Switch to using std::vector instead of int* for colors in highlight.cpp, for better range bounds checking

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ridiculousfish 2012-02-21 11:45:13 -08:00
parent 2206e221bd
commit 237cf19a77
4 changed files with 63 additions and 53 deletions
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104
highlight.cpp
View file

@ -40,7 +40,7 @@
#define VAR_COUNT ( sizeof(highlight_var)/sizeof(wchar_t *) ) #define VAR_COUNT ( sizeof(highlight_var)/sizeof(wchar_t *) )
static void highlight_universal_internal( const wchar_t * buff, static void highlight_universal_internal( const wchar_t * buff,
int *color, std::vector<int> &color,
int pos ); int pos );
/** /**
@ -838,12 +838,11 @@ bool autosuggest_handle_special(const wcstring &str, const wcstring &working_dir
} }
// This function does I/O // This function does I/O
static void tokenize( const wchar_t * const buff, int * const color, const int pos, wcstring_list_t *error, const env_vars &vars) { static void tokenize( const wchar_t * const buff, std::vector<int> &color, const int pos, wcstring_list_t *error, const env_vars &vars) {
ASSERT_IS_BACKGROUND_THREAD(); ASSERT_IS_BACKGROUND_THREAD();
wcstring cmd; wcstring cmd;
int had_cmd=0; int had_cmd=0;
int i;
wcstring last_cmd; wcstring last_cmd;
int len; int len;
@ -854,15 +853,13 @@ static void tokenize( const wchar_t * const buff, int * const color, const int p
int use_builtin = 1; int use_builtin = 1;
CHECK( buff, ); CHECK( buff, );
CHECK( color, );
len = wcslen(buff); len = wcslen(buff);
if( !len ) if( !len )
return; return;
for( i=0; buff[i] != 0; i++ ) std::fill(color.begin(), color.end(), -1);
color[i] = -1;
tokenizer tok; tokenizer tok;
for( tok_init( &tok, buff, TOK_SHOW_COMMENTS | TOK_SQUASH_ERRORS ); for( tok_init( &tok, buff, TOK_SHOW_COMMENTS | TOK_SQUASH_ERRORS );
@ -885,23 +882,23 @@ static void tokenize( const wchar_t * const buff, int * const color, const int p
if (wcscmp( param, L"--" ) == 0 ) if (wcscmp( param, L"--" ) == 0 )
{ {
accept_switches = 0; accept_switches = 0;
color[ tok_get_pos( &tok ) ] = HIGHLIGHT_PARAM; color.at(tok_get_pos( &tok )) = HIGHLIGHT_PARAM;
} }
else if( accept_switches ) else if( accept_switches )
{ {
if( complete_is_valid_option( last_cmd.c_str(), param, error, false /* no autoload */ ) ) if( complete_is_valid_option( last_cmd.c_str(), param, error, false /* no autoload */ ) )
color[ tok_get_pos( &tok ) ] = HIGHLIGHT_PARAM; color.at(tok_get_pos( &tok )) = HIGHLIGHT_PARAM;
else else
color[ tok_get_pos( &tok ) ] = HIGHLIGHT_ERROR; color.at(tok_get_pos( &tok )) = HIGHLIGHT_ERROR;
} }
else else
{ {
color[ tok_get_pos( &tok ) ] = HIGHLIGHT_PARAM; color.at(tok_get_pos( &tok )) = HIGHLIGHT_PARAM;
} }
} }
else else
{ {
color[ tok_get_pos( &tok ) ] = HIGHLIGHT_PARAM; color.at(tok_get_pos( &tok )) = HIGHLIGHT_PARAM;
} }
if( cmd == L"cd" ) if( cmd == L"cd" )
@ -912,7 +909,7 @@ static void tokenize( const wchar_t * const buff, int * const color, const int p
int is_help = string_prefixes_string(dir, L"--help") || string_prefixes_string(dir, L"-h"); int is_help = string_prefixes_string(dir, L"--help") || string_prefixes_string(dir, L"-h");
if( !is_help && ! path_can_get_cdpath(dir)) if( !is_help && ! path_can_get_cdpath(dir))
{ {
color[ tok_get_pos( &tok ) ] = HIGHLIGHT_ERROR; color.at(tok_get_pos( &tok )) = HIGHLIGHT_ERROR;
} }
} }
} }
@ -933,14 +930,14 @@ static void tokenize( const wchar_t * const buff, int * const color, const int p
bool expanded = expand_one(cmd, EXPAND_SKIP_CMDSUBST | EXPAND_SKIP_VARIABLES); bool expanded = expand_one(cmd, EXPAND_SKIP_CMDSUBST | EXPAND_SKIP_VARIABLES);
if (! expanded || has_expand_reserved(cmd.c_str())) if (! expanded || has_expand_reserved(cmd.c_str()))
{ {
color[ tok_get_pos( &tok ) ] = HIGHLIGHT_ERROR; color.at(tok_get_pos( &tok )) = HIGHLIGHT_ERROR;
} }
else else
{ {
int is_cmd = 0; int is_cmd = 0;
int is_subcommand = 0; int is_subcommand = 0;
int mark = tok_get_pos( &tok ); int mark = tok_get_pos( &tok );
color[ tok_get_pos( &tok ) ] = HIGHLIGHT_COMMAND; color.at(tok_get_pos( &tok )) = HIGHLIGHT_COMMAND;
if( parser_keywords_is_subcommand( cmd ) ) if( parser_keywords_is_subcommand( cmd ) )
{ {
@ -982,7 +979,7 @@ static void tokenize( const wchar_t * const buff, int * const color, const int p
{ {
if( sw == ARG_SKIP ) if( sw == ARG_SKIP )
{ {
color[ tok_get_pos( &tok ) ] = HIGHLIGHT_PARAM; color.at(tok_get_pos( &tok )) = HIGHLIGHT_PARAM;
mark = tok_get_pos( &tok ); mark = tok_get_pos( &tok );
} }
@ -1026,14 +1023,14 @@ static void tokenize( const wchar_t * const buff, int * const color, const int p
if( is_cmd ) if( is_cmd )
{ {
color[ tok_get_pos( &tok ) ] = HIGHLIGHT_COMMAND; color.at(tok_get_pos( &tok )) = HIGHLIGHT_COMMAND;
} }
else else
{ {
if( error ) { if( error ) {
error->push_back(format_string(L"Unknown command \'%ls\'", cmd.c_str())); error->push_back(format_string(L"Unknown command \'%ls\'", cmd.c_str()));
} }
color[ tok_get_pos( &tok ) ] = (HIGHLIGHT_ERROR); color.at(tok_get_pos( &tok )) = (HIGHLIGHT_ERROR);
} }
had_cmd = 1; had_cmd = 1;
} }
@ -1056,7 +1053,7 @@ static void tokenize( const wchar_t * const buff, int * const color, const int p
{ {
if( !had_cmd ) if( !had_cmd )
{ {
color[ tok_get_pos( &tok ) ] = HIGHLIGHT_ERROR; color.at(tok_get_pos( &tok )) = HIGHLIGHT_ERROR;
if( error ) if( error )
error->push_back(L"Redirection without a command"); error->push_back(L"Redirection without a command");
break; break;
@ -1065,7 +1062,7 @@ static void tokenize( const wchar_t * const buff, int * const color, const int p
wcstring target_str; wcstring target_str;
const wchar_t *target=NULL; const wchar_t *target=NULL;
color[ tok_get_pos( &tok ) ] = HIGHLIGHT_REDIRECTION; color.at(tok_get_pos( &tok )) = HIGHLIGHT_REDIRECTION;
tok_next( &tok ); tok_next( &tok );
/* /*
@ -1088,7 +1085,7 @@ static void tokenize( const wchar_t * const buff, int * const color, const int p
break; break;
default: default:
{ {
color[ tok_get_pos( &tok ) ] = HIGHLIGHT_ERROR; color.at(tok_get_pos( &tok )) = HIGHLIGHT_ERROR;
if( error ) if( error )
error->push_back(L"Invalid redirection"); error->push_back(L"Invalid redirection");
} }
@ -1109,7 +1106,7 @@ static void tokenize( const wchar_t * const buff, int * const color, const int p
dir.resize(slash_idx); dir.resize(slash_idx);
if( wstat( dir, &buff ) == -1 ) if( wstat( dir, &buff ) == -1 )
{ {
color[ tok_get_pos( &tok ) ] = HIGHLIGHT_ERROR; color.at(tok_get_pos( &tok )) = HIGHLIGHT_ERROR;
if( error ) if( error )
error->push_back(format_string(L"Directory \'%ls\' does not exist", dir.c_str())); error->push_back(format_string(L"Directory \'%ls\' does not exist", dir.c_str()));
@ -1125,7 +1122,7 @@ static void tokenize( const wchar_t * const buff, int * const color, const int p
{ {
if( wstat( target, &buff ) == -1 ) if( wstat( target, &buff ) == -1 )
{ {
color[ tok_get_pos( &tok ) ] = HIGHLIGHT_ERROR; color.at(tok_get_pos( &tok )) = HIGHLIGHT_ERROR;
if( error ) if( error )
error->push_back(format_string(L"File \'%ls\' does not exist", target)); error->push_back(format_string(L"File \'%ls\' does not exist", target));
} }
@ -1134,7 +1131,7 @@ static void tokenize( const wchar_t * const buff, int * const color, const int p
{ {
if( wstat( target, &buff ) != -1 ) if( wstat( target, &buff ) != -1 )
{ {
color[ tok_get_pos( &tok ) ] = HIGHLIGHT_ERROR; color.at(tok_get_pos( &tok )) = HIGHLIGHT_ERROR;
if( error ) if( error )
error->push_back(format_string(L"File \'%ls\' exists", target)); error->push_back(format_string(L"File \'%ls\' exists", target));
} }
@ -1148,7 +1145,7 @@ static void tokenize( const wchar_t * const buff, int * const color, const int p
{ {
if( had_cmd ) if( had_cmd )
{ {
color[ tok_get_pos( &tok ) ] = HIGHLIGHT_END; color.at(tok_get_pos( &tok )) = HIGHLIGHT_END;
had_cmd = 0; had_cmd = 0;
use_command = 1; use_command = 1;
use_function = 1; use_function = 1;
@ -1157,7 +1154,7 @@ static void tokenize( const wchar_t * const buff, int * const color, const int p
} }
else else
{ {
color[ tok_get_pos( &tok ) ] = HIGHLIGHT_ERROR; color.at(tok_get_pos( &tok )) = HIGHLIGHT_ERROR;
if( error ) if( error )
error->push_back(L"No job to put in background" ); error->push_back(L"No job to put in background" );
} }
@ -1167,7 +1164,7 @@ static void tokenize( const wchar_t * const buff, int * const color, const int p
case TOK_END: case TOK_END:
{ {
color[ tok_get_pos( &tok ) ] = HIGHLIGHT_END; color.at(tok_get_pos( &tok )) = HIGHLIGHT_END;
had_cmd = 0; had_cmd = 0;
use_command = 1; use_command = 1;
use_function = 1; use_function = 1;
@ -1178,7 +1175,7 @@ static void tokenize( const wchar_t * const buff, int * const color, const int p
case TOK_COMMENT: case TOK_COMMENT:
{ {
color[ tok_get_pos( &tok ) ] = HIGHLIGHT_COMMENT; color.at(tok_get_pos( &tok )) = HIGHLIGHT_COMMENT;
break; break;
} }
@ -1190,7 +1187,7 @@ static void tokenize( const wchar_t * const buff, int * const color, const int p
*/ */
if( error ) if( error )
error->push_back(tok_last( &tok)); error->push_back(tok_last( &tok));
color[ tok_get_pos( &tok ) ] = HIGHLIGHT_ERROR; color.at(tok_get_pos( &tok )) = HIGHLIGHT_ERROR;
break; break;
} }
} }
@ -1200,24 +1197,24 @@ static void tokenize( const wchar_t * const buff, int * const color, const int p
// PCA DOES_IO (calls is_potential_path, path_get_path, maybe others) // PCA DOES_IO (calls is_potential_path, path_get_path, maybe others)
void highlight_shell( const wchar_t * const buff, int *color, int pos, wcstring_list_t *error, const env_vars &vars ) void highlight_shell( const wchar_t * const buff, std::vector<int> &color, int pos, wcstring_list_t *error, const env_vars &vars )
{ {
ASSERT_IS_BACKGROUND_THREAD(); ASSERT_IS_BACKGROUND_THREAD();
const size_t string_length = wcslen(buff);
int i; int i;
int len; int len;
int last_val; int last_val;
CHECK( buff, ); CHECK( buff, );
CHECK( color, );
len = wcslen(buff); len = wcslen(buff);
if( !len ) if( !len )
return; return;
for( i=0; buff[i] != 0; i++ ) std::fill(color.begin(), color.end(), -1);
color[i] = -1;
/* Tokenize the string */ /* Tokenize the string */
tokenize(buff, color, pos, error, vars); tokenize(buff, color, pos, error, vars);
@ -1244,8 +1241,21 @@ void highlight_shell( const wchar_t * const buff, int *color, int pos, wcstring_
else else
*end=0; *end=0;
highlight_shell( begin+1, color + (begin-subbuff)+1, -1, error, vars ); //our subcolors start at color + (begin-subbuff)+1
color[end-subbuff]=HIGHLIGHT_OPERATOR; size_t start = begin - subbuff + 1, len = wcslen(begin + 1);
std::vector<int> subcolors;
subcolors.resize(len, -1);
highlight_shell( begin+1, subcolors, -1, error, vars );
// insert subcolors
std::copy(subcolors.begin(), subcolors.end(), color.begin() + start);
// highlight the end of the subcommand
assert(end >= subbuff);
if ((size_t)(end - subbuff) < string_length) {
color.at(end-subbuff)=HIGHLIGHT_OPERATOR;
}
if( done ) if( done )
break; break;
@ -1261,10 +1271,10 @@ void highlight_shell( const wchar_t * const buff, int *color, int pos, wcstring_
last_val=0; last_val=0;
for( i=0; buff[i] != 0; i++ ) for( i=0; buff[i] != 0; i++ )
{ {
if( color[i] >= 0 ) if( color.at(i) >= 0 )
last_val = color[i]; last_val = color.at(i);
else else
color[i] = last_val; color.at(i) = last_val;
} }
/* /*
@ -1285,8 +1295,8 @@ void highlight_shell( const wchar_t * const buff, int *color, int pos, wcstring_
for( i=tok_begin-buff; i < (tok_end-buff); i++ ) for( i=tok_begin-buff; i < (tok_end-buff); i++ )
{ {
// Don't color HIGHLIGHT_ERROR because it looks dorky. For example, trying to cd into a non-directory would show an underline and also red. // Don't color HIGHLIGHT_ERROR because it looks dorky. For example, trying to cd into a non-directory would show an underline and also red.
if (! (color[i] & HIGHLIGHT_ERROR)) if (! (color.at(i) & HIGHLIGHT_ERROR))
color[i] |= HIGHLIGHT_VALID_PATH; color.at(i) |= HIGHLIGHT_VALID_PATH;
} }
} }
} }
@ -1302,7 +1312,7 @@ void highlight_shell( const wchar_t * const buff, int *color, int pos, wcstring_
{ {
if( iswspace(buff[i]) ) if( iswspace(buff[i]) )
{ {
color[i]=0; color.at(i)=0;
} }
} }
} }
@ -1313,7 +1323,7 @@ void highlight_shell( const wchar_t * const buff, int *color, int pos, wcstring_
Perform quote and parenthesis highlighting on the specified string. Perform quote and parenthesis highlighting on the specified string.
*/ */
static void highlight_universal_internal( const wchar_t * buff, static void highlight_universal_internal( const wchar_t * buff,
int *color, std::vector<int> &color,
int pos ) int pos )
{ {
@ -1360,8 +1370,8 @@ static void highlight_universal_internal( const wchar_t * buff,
pos2 = str-buff; pos2 = str-buff;
if( pos1==pos || pos2==pos ) if( pos1==pos || pos2==pos )
{ {
color[pos1]|=HIGHLIGHT_MATCH<<16; color.at(pos1)|=HIGHLIGHT_MATCH<<16;
color[pos2]|=HIGHLIGHT_MATCH<<16; color.at(pos2)|=HIGHLIGHT_MATCH<<16;
match_found = 1; match_found = 1;
} }
@ -1384,7 +1394,7 @@ static void highlight_universal_internal( const wchar_t * buff,
} }
if( !match_found ) if( !match_found )
color[pos] = HIGHLIGHT_ERROR<<16; color.at(pos) = HIGHLIGHT_ERROR<<16;
} }
/* /*
@ -1408,8 +1418,8 @@ static void highlight_universal_internal( const wchar_t * buff,
if( level == 0 ) if( level == 0 )
{ {
int pos2 = str-buff; int pos2 = str-buff;
color[pos]|=HIGHLIGHT_MATCH<<16; color.at(pos)|=HIGHLIGHT_MATCH<<16;
color[pos2]|=HIGHLIGHT_MATCH<<16; color.at(pos2)|=HIGHLIGHT_MATCH<<16;
match_found=1; match_found=1;
break; break;
} }
@ -1422,7 +1432,7 @@ static void highlight_universal_internal( const wchar_t * buff,
} }
} }
void highlight_universal( const wchar_t *buff, int *color, int pos, wcstring_list_t *error, const env_vars &vars ) void highlight_universal( const wchar_t *buff, std::vector<int> &color, int pos, wcstring_list_t *error, const env_vars &vars )
{ {
int i; int i;

4
highlight.h
View file

@ -80,7 +80,7 @@
\param pos the cursor position. Used for quote matching, etc. \param pos the cursor position. Used for quote matching, etc.
\param error a list in which a description of each error will be inserted. May be 0, in whcich case no error descriptions will be generated. \param error a list in which a description of each error will be inserted. May be 0, in whcich case no error descriptions will be generated.
*/ */
void highlight_shell( const wchar_t *buff, int *color, int pos, wcstring_list_t *error, const env_vars &vars ); void highlight_shell( const wchar_t *buff, std::vector<int> &color, int pos, wcstring_list_t *error, const env_vars &vars );
/** /**
Perform syntax highlighting for the text in buff. Matching quotes and paranthesis are highlighted. The result is Perform syntax highlighting for the text in buff. Matching quotes and paranthesis are highlighted. The result is
@ -92,7 +92,7 @@ void highlight_shell( const wchar_t *buff, int *color, int pos, wcstring_list_t
\param pos the cursor position. Used for quote matching, etc. \param pos the cursor position. Used for quote matching, etc.
\param error a list in which a description of each error will be inserted. May be 0, in whcich case no error descriptions will be generated. \param error a list in which a description of each error will be inserted. May be 0, in whcich case no error descriptions will be generated.
*/ */
void highlight_universal( const wchar_t *buff, int *color, int pos, wcstring_list_t *error, const env_vars &vars ); void highlight_universal( const wchar_t *buff, std::vector<int> &color, int pos, wcstring_list_t *error, const env_vars &vars );
/** /**
Translate from HIGHLIGHT_* to FISH_COLOR_* according to environment Translate from HIGHLIGHT_* to FISH_COLOR_* according to environment

2
reader.cpp
View file

@ -2373,7 +2373,7 @@ public:
if (secDelay > 0) usleep((useconds_t)(secDelay * 1E6)); if (secDelay > 0) usleep((useconds_t)(secDelay * 1E6));
//write(0, "Start", 5); //write(0, "Start", 5);
if (! string_to_highlight.empty()) { if (! string_to_highlight.empty()) {
highlight_function( string_to_highlight.c_str(), &colors.at(0), match_highlight_pos, NULL /* error */, vars); highlight_function( string_to_highlight.c_str(), colors, match_highlight_pos, NULL /* error */, vars);
} }
//write(0, "End", 3); //write(0, "End", 3);
return 0; return 0;

2
reader.h
View file

@ -138,7 +138,7 @@ void reader_set_complete_function( void (*f)( const wchar_t *, std::vector<compl
The type of a highlight function. The type of a highlight function.
*/ */
class env_vars; class env_vars;
typedef void (*highlight_function_t)( const wchar_t *, int *, int, wcstring_list_t *, const env_vars &vars ); typedef void (*highlight_function_t)( const wchar_t *, std::vector<int> &, int, wcstring_list_t *, const env_vars &vars );
/** /**
Specify function for syntax highlighting. The function must take these arguments: Specify function for syntax highlighting. The function must take these arguments: