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More work on the instanced parser

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This commit is contained in:
ridiculousfish 2012-01-22 20:47:13 -08:00
parent 7e486e3b5c
commit da85bdc401
10 changed files with 145 additions and 157 deletions
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6
builtin.cpp
View file

@ -186,7 +186,7 @@ static int count_char( const wchar_t *str, wchar_t c )
return res;
}
wchar_t *builtin_help_get( const wchar_t *name )
wchar_t *builtin_help_get( parser_t &parser, const wchar_t *name )
{
wcstring_list_t lst;
string_buffer_t cmd;
@ -254,7 +254,7 @@ static void builtin_print_help( parser_t &parser, const wchar_t *cmd, string_buf
parser.current_line() );
}
h = builtin_help_get( cmd );
h = builtin_help_get( parser, cmd );
if( !h )
return;
@ -3914,7 +3914,7 @@ const wchar_t *builtin_get_desc( const wchar_t *b )
return _( hash_get( desc, b ));
}
void builtin_push_io( int in )
void builtin_push_io( parser_t &parser, int in )
{
if( builtin_stdin != -1 )
{

2
event.cpp
View file

@ -461,7 +461,7 @@ static void event_fire_internal( event_t *event )
prev_status = proc_get_last_status();
parser.push_block( EVENT );
parser.current_block->param1.event = event;
eval( buffer.c_str(), 0, TOP );
parser.eval( buffer.c_str(), 0, TOP );
parser.pop_block();
proc_pop_interactive();
proc_set_last_status( prev_status );

41
exec.cpp
View file

@ -782,9 +782,10 @@ static io_data_t *io_transmogrify( io_data_t * in )
\param io the io redirections to be performed on this block
*/
static void internal_exec_helper( const wchar_t *def,
enum block_type_t block_type,
io_data_t *io )
static void internal_exec_helper( parser_t &parser,
const wchar_t *def,
enum block_type_t block_type,
io_data_t *io )
{
io_data_t *io_internal = io_transmogrify( io );
int is_block_old=is_block;
@ -801,7 +802,7 @@ static void internal_exec_helper( const wchar_t *def,
signal_unblock();
eval( def, io_internal, block_type );
parser.eval( def, io_internal, block_type );
signal_block();
@ -945,7 +946,7 @@ static void do_builtin_io( wchar_t *out, wchar_t *err )
}
void exec( job_t *j )
void exec( parser_t &parser, job_t *j )
{
process_t *p;
pid_t pid;
@ -979,15 +980,15 @@ void exec( job_t *j )
debug( 4, L"Exec job '%ls' with id %d", j->command, j->job_id );
if( block_io )
if( parser.block_io )
{
if( j->io )
{
j->io = io_add( io_duplicate( j, block_io), j->io );
j->io = io_add( io_duplicate( j, parser.block_io), j->io );
}
else
{
j->io=io_duplicate( j, block_io);
j->io=io_duplicate( j, parser.block_io);
}
}
@ -1207,11 +1208,10 @@ void exec( job_t *j )
debug( 0, _( L"Unknown function '%ls'" ), p->argv[0] );
break;
}
parser.push_block( shadows?FUNCTION_CALL:FUNCTION_CALL_NO_SHADOW );
parser.current_block->param2.function_call_process = p;
parser.current_block->param1.function_call_name = (wchar_t *)halloc_register( current_block, wcsdup( p->argv[0] ) );
parser.current_block->param1.function_call_name = (wchar_t *)halloc_register( parser.current_block, wcsdup( p->argv[0] ) );
/*
@ -1223,7 +1223,7 @@ void exec( job_t *j )
parse_util_set_argv( p->argv+1, named_arguments );
signal_block();
parser_forbid_function( p->argv[0] );
parser.forbid_function( p->argv[0] );
if( p->next )
{
@ -1231,9 +1231,9 @@ void exec( job_t *j )
j->io = io_add( j->io, io_buffer );
}
internal_exec_helper( def, TOP, j->io );
internal_exec_helper( parser, def, TOP, j->io );
parser_allow_function();
parser.allow_function();
parser.pop_block();
break;
@ -1246,8 +1246,8 @@ void exec( job_t *j )
io_buffer = io_buffer_create( 0 );
j->io = io_add( j->io, io_buffer );
}
internal_exec_helper( p->argv[0], TOP, j->io );
internal_exec_helper( parser, p->argv[0], TOP, j->io );
break;
}
@ -1370,7 +1370,7 @@ void exec( job_t *j )
to make exec handle things.
*/
builtin_push_io( builtin_stdin );
builtin_push_io( parser, builtin_stdin );
builtin_out_redirect = has_fd( j->io, 1 );
builtin_err_redirect = has_fd( j->io, 2 );
@ -1380,7 +1380,7 @@ void exec( job_t *j )
signal_unblock();
p->status = builtin_run( p->argv, j->io );
p->status = builtin_run( parser, p->argv, j->io );
builtin_out_redirect=old_out;
builtin_err_redirect=old_err;
@ -1658,7 +1658,7 @@ void exec( job_t *j )
}
if( p->type == INTERNAL_BUILTIN )
builtin_pop_io();
builtin_pop_io(parser);
/*
Close the pipe the current process uses to read from the
@ -1701,7 +1701,7 @@ void exec( job_t *j )
j->io = io_remove( j->io, &pipe_read );
for( tmp = block_io; tmp; tmp=tmp->next )
for( tmp = parser.block_io; tmp; tmp=tmp->next )
j->io = io_remove( j->io, tmp );
job_set_flag( j, JOB_CONSTRUCTED, 1 );
@ -1765,7 +1765,8 @@ int exec_subshell( const wchar_t *cmd,
prev_status = proc_get_last_status();
if( eval( cmd, io_buffer, SUBST ) )
parser_t parser(PARSER_TYPE_GENERAL);
if( parser.eval( cmd, io_buffer, SUBST ) )
{
status = -1;
}

3
exec.h
View file

@ -41,7 +41,8 @@
*/
void exec( job_t *j );
class parser_t;
void exec( parser_t &parser, job_t *j );
/**
Evaluate the expression cmd in a subshell, add the outputs into the

81
expand.cpp
View file

@ -919,7 +919,7 @@ static int parse_slice2( const wchar_t *in, wchar_t **end_ptr, std::vector<long>
happens, don't edit it unless you know exactly what you are doing,
and do proper testing afterwards.
*/
static int expand_variables( wchar_t *in, array_list_t *out, int last_idx )
static int expand_variables( parser_t &parser, wchar_t *in, array_list_t *out, int last_idx )
{
wchar_t c;
wchar_t prev_char=0;
@ -988,7 +988,7 @@ static int expand_variables( wchar_t *in, array_list_t *out, int last_idx )
if( var_len == 0 )
{
expand_variable_error( in, stop_pos-1, -1 );
expand_variable_error( parser, in, stop_pos-1, -1 );
is_ok = 0;
break;
@ -1010,7 +1010,7 @@ static int expand_variables( wchar_t *in, array_list_t *out, int last_idx )
if( parse_slice( &in[stop_pos], &slice_end, var_idx_list ) )
{
error( SYNTAX_ERROR,
parser.error( SYNTAX_ERROR,
-1,
L"Invalid index value" );
is_ok = 0;
@ -1039,7 +1039,7 @@ static int expand_variables( wchar_t *in, array_list_t *out, int last_idx )
*/
if( tmp < 1 || tmp > al_get_count( &var_item_list ) )
{
error( SYNTAX_ERROR,
parser.error( SYNTAX_ERROR,
-1,
ARRAY_BOUNDS_ERR );
is_ok=0;
@ -1085,7 +1085,7 @@ static int expand_variables( wchar_t *in, array_list_t *out, int last_idx )
free( next );
}
sb_append( &res, &in[stop_pos] );
is_ok &= expand_variables( (wchar_t *)res.buff, out, i );
is_ok &= expand_variables( parser, (wchar_t *)res.buff, out, i );
}
else
{
@ -1124,7 +1124,7 @@ static int expand_variables( wchar_t *in, array_list_t *out, int last_idx )
wcscat( new_in, next );
wcscat( new_in, &in[stop_pos] );
is_ok &= expand_variables( new_in, out, i );
is_ok &= expand_variables( parser, new_in, out, i );
}
}
free( next );
@ -1163,7 +1163,7 @@ static int expand_variables( wchar_t *in, array_list_t *out, int last_idx )
sb_append( &res, in );
sb_append( &res, &in[stop_pos] );
is_ok &= expand_variables( (wchar_t *)res.buff, out, i );
is_ok &= expand_variables( parser, (wchar_t *)res.buff, out, i );
free(in);
return is_ok;
}
@ -1187,16 +1187,16 @@ static int expand_variables( wchar_t *in, array_list_t *out, int last_idx )
return is_ok;
}
static int expand_variables2( const wcstring &in, std::vector<wcstring> &outputs, int last_idx )
static int expand_variables2( parser_t &parser, const wcstring &in, std::vector<wcstring> &outputs, int last_idx )
{
wcstring_adapter adapter(in, outputs);
return expand_variables(adapter.str, &adapter.lst, last_idx);
return expand_variables(parser, adapter.str, &adapter.lst, last_idx);
}
/**
Perform bracket expansion
*/
static int expand_brackets( wchar_t *in, int flags, array_list_t *out )
static int expand_brackets( parser_t &parser, wchar_t *in, int flags, array_list_t *out )
{
wchar_t *pos;
int syntax_error=0;
@ -1270,13 +1270,13 @@ static int expand_brackets( wchar_t *in, int flags, array_list_t *out )
sb_append_char( &mod, BRACKET_END );
}
return expand_brackets( (wchar_t*)mod.buff, 1, out );
return expand_brackets( parser, (wchar_t*)mod.buff, 1, out );
}
}
if( syntax_error )
{
error( SYNTAX_ERROR,
parser.error( SYNTAX_ERROR,
-1,
_(L"Mismatched brackets") );
return 0;
@ -1306,7 +1306,7 @@ static int expand_brackets( wchar_t *in, int flags, array_list_t *out )
wcslcpy( whole_item+len1, item_begin, item_len+1 );
wcscpy( whole_item+len1+item_len, bracket_end+1 );
expand_brackets( whole_item, flags, out );
expand_brackets( parser, whole_item, flags, out );
item_begin = pos+1;
if( pos == bracket_end )
@ -1328,16 +1328,16 @@ static int expand_brackets( wchar_t *in, int flags, array_list_t *out )
return 1;
}
static int expand_brackets2( const wcstring &in, int flags, std::vector<wcstring> outputs )
static int expand_brackets2( parser_t &parser, const wcstring &in, int flags, std::vector<wcstring> outputs )
{
wcstring_adapter adapter(in, outputs);
return expand_brackets(adapter.str, flags, &adapter.lst);
return expand_brackets(parser, adapter.str, flags, &adapter.lst);
}
/**
Perform cmdsubst expansion
*/
static int expand_cmdsubst( wchar_t *in, array_list_t *out )
static int expand_cmdsubst( parser_t &parser, wchar_t *in, array_list_t *out )
{
wchar_t *paran_begin=0, *paran_end=0;
int len1;
@ -1360,7 +1360,7 @@ static int expand_cmdsubst( wchar_t *in, array_list_t *out )
0 ) )
{
case -1:
error( SYNTAX_ERROR,
parser.error( SYNTAX_ERROR,
-1,
L"Mismatched parans" );
return 0;
@ -1391,7 +1391,7 @@ static int expand_cmdsubst( wchar_t *in, array_list_t *out )
if( exec_subshell( subcmd, sub_res) == -1 )
{
halloc_free( context );
error( CMDSUBST_ERROR, -1, L"Unknown error while evaulating command substitution" );
parser.error( CMDSUBST_ERROR, -1, L"Unknown error while evaulating command substitution" );
return 0;
}
@ -1404,7 +1404,7 @@ static int expand_cmdsubst( wchar_t *in, array_list_t *out )
if( parse_slice( tail_begin, &slice_end, slice_idx ) )
{
halloc_free( context );
error( SYNTAX_ERROR, -1, L"Invalid index value" );
parser.error( SYNTAX_ERROR, -1, L"Invalid index value" );
return 0;
}
else
@ -1422,7 +1422,7 @@ static int expand_cmdsubst( wchar_t *in, array_list_t *out )
if( idx < 1 || idx > al_get_count( sub_res ) )
{
halloc_free( context );
error( SYNTAX_ERROR, -1, L"Invalid index value" );
parser.error( SYNTAX_ERROR, -1, L"Invalid index value" );
return 0;
}
@ -1445,7 +1445,7 @@ static int expand_cmdsubst( wchar_t *in, array_list_t *out )
substitutions. The result of this recursive call usiung the tail
of the string is inserted into the tail_expand array list
*/
expand_cmdsubst( wcsdup(tail_begin), tail_expand );
expand_cmdsubst( parser, wcsdup(tail_begin), tail_expand );
/*
Combine the result of the current command substitution with the
@ -1487,7 +1487,7 @@ static int expand_cmdsubst( wchar_t *in, array_list_t *out )
/**
Perform cmdsubst expansion
*/
static int expand_cmdsubst2( const wcstring &input, std::vector<wcstring> &outList )
static int expand_cmdsubst2( parser_t &parser, const wcstring &input, std::vector<wcstring> &outList )
{
wchar_t *paran_begin=0, *paran_end=0;
int len1;
@ -1505,7 +1505,7 @@ static int expand_cmdsubst2( const wcstring &input, std::vector<wcstring> &outLi
0 ) )
{
case -1:
error( SYNTAX_ERROR,
parser.error( SYNTAX_ERROR,
-1,
L"Mismatched parans" );
return 0;
@ -1525,7 +1525,7 @@ static int expand_cmdsubst2( const wcstring &input, std::vector<wcstring> &outLi
if( exec_subshell2( subcmd, sub_res) == -1 )
{
error( CMDSUBST_ERROR, -1, L"Unknown error while evaulating command substitution" );
parser.error( CMDSUBST_ERROR, -1, L"Unknown error while evaulating command substitution" );
return 0;
}
@ -1537,7 +1537,7 @@ static int expand_cmdsubst2( const wcstring &input, std::vector<wcstring> &outLi
if( parse_slice2( tail_begin, &slice_end, slice_idx ) )
{
error( SYNTAX_ERROR, -1, L"Invalid index value" );
parser.error( SYNTAX_ERROR, -1, L"Invalid index value" );
return 0;
}
else
@ -1554,7 +1554,7 @@ static int expand_cmdsubst2( const wcstring &input, std::vector<wcstring> &outLi
if( idx < 1 || (size_t)idx > sub_res.size() )
{
error( SYNTAX_ERROR, -1, L"Invalid index value" );
parser.error( SYNTAX_ERROR, -1, L"Invalid index value" );
return 0;
}
@ -1575,7 +1575,7 @@ static int expand_cmdsubst2( const wcstring &input, std::vector<wcstring> &outLi
of the string is inserted into the tail_expand array list
*/
std::vector<wcstring> tail_expand;
expand_cmdsubst2( tail_begin, tail_expand );
expand_cmdsubst2( parser, tail_begin, tail_expand );
/*
Combine the result of the current command substitution with the
@ -1619,11 +1619,11 @@ static int expand_cmdsubst2( const wcstring &input, std::vector<wcstring> &outLi
/**
Wrapper around unescape funtion. Issues an error() on failiure.
*/
static wchar_t *expand_unescape( const wchar_t * in, int escape_special )
static wchar_t *expand_unescape( parser_t &parser, const wchar_t * in, int escape_special )
{
wchar_t *res = unescape( in, escape_special );
if( !res )
error( SYNTAX_ERROR, -1, L"Unexpected end of string" );
parser.error( SYNTAX_ERROR, -1, L"Unexpected end of string" );
return res;
}
@ -1766,7 +1766,7 @@ static void remove_internal_separator2( wcstring &s, int conv )
}
int expand_string2( const wcstring &input, std::vector<wcstring> &output, int flags )
int expand_string2( parser_t &parser, const wcstring &input, std::vector<wcstring> &output, int flags )
{
std::vector<wcstring> list1, list2;
std::vector<wcstring> *in, *out;
@ -1790,14 +1790,14 @@ int expand_string2( const wcstring &input, std::vector<wcstring> &output, int fl
&end,
1 ) != 0 )
{
error( CMDSUBST_ERROR, -1, L"Command substitutions not allowed" );
parser.error( CMDSUBST_ERROR, -1, L"Command substitutions not allowed" );
return EXPAND_ERROR;
}
list1.push_back(input);
}
else
{
cmdsubst_ok = expand_cmdsubst2(input, list1);
cmdsubst_ok = expand_cmdsubst2(parser, input, list1);
}
if( !cmdsubst_ok )
@ -1830,7 +1830,7 @@ int expand_string2( const wcstring &input, std::vector<wcstring> &output, int fl
}
else
{
if(!expand_variables2( next, *out, next.size() - 1 ))
if(!expand_variables2( parser, next, *out, next.size() - 1 ))
{
return EXPAND_ERROR;
}
@ -1846,7 +1846,7 @@ int expand_string2( const wcstring &input, std::vector<wcstring> &output, int fl
{
wcstring next = in->at(i);
if( !expand_brackets2( next, flags, *out ))
if( !expand_brackets2( parser, next, flags, *out ))
{
return EXPAND_ERROR;
}
@ -1985,7 +1985,8 @@ int expand_string2( const wcstring &input, std::vector<wcstring> &output, int fl
/**
The real expansion function. expand_one is just a wrapper around this one.
*/
int expand_string( void *context,
int expand_string( parser_t &parser,
void *context,
wchar_t *str,
array_list_t *end_out,
int flags )
@ -2020,7 +2021,7 @@ int expand_string( void *context,
&end,
1 ) != 0 )
{
error( CMDSUBST_ERROR, -1, L"Command substitutions not allowed" );
parser.error( CMDSUBST_ERROR, -1, L"Command substitutions not allowed" );
free( str );
al_destroy( &list1 );
al_destroy( &list2 );
@ -2030,7 +2031,7 @@ int expand_string( void *context,
}
else
{
cmdsubst_ok = expand_cmdsubst( str, &list1 );
cmdsubst_ok = expand_cmdsubst( parser, str, &list1 );
}
if( !cmdsubst_ok )
@ -2054,7 +2055,7 @@ int expand_string( void *context,
*/
int unescape_flags = UNESCAPE_SPECIAL | UNESCAPE_INCOMPLETE;
next = expand_unescape( (wchar_t *)al_get( in, i ), unescape_flags );
next = expand_unescape( parser, (wchar_t *)al_get( in, i ), unescape_flags );
free( (void *)al_get( in, i ) );
@ -2074,7 +2075,7 @@ int expand_string( void *context,
}
else
{
if(!expand_variables( next, out, wcslen(next)-1 ))
if(!expand_variables( parser, next, out, wcslen(next)-1 ))
{
al_destroy( in );
al_destroy( out );
@ -2098,7 +2099,7 @@ int expand_string( void *context,
continue;
}
if( !expand_brackets( next, flags, out ))
if( !expand_brackets( parser, next, flags, out ))
{
al_destroy( in );
al_destroy( out );

1
expand.h
View file

@ -123,6 +123,7 @@ enum
*/
#define ARRAY_BOUNDS_ERR _(L"Array index out of bounds")
class parser_t;
/**
Perform various forms of expansion on in, such as tilde expansion

9
fish.cpp
View file

@ -77,7 +77,7 @@ static int read_init()
wchar_t *config_dir_escaped;
void *context;
string_buffer_t *eval_buff;
parser_t parser();
parser_t parser(PARSER_TYPE_GENERAL);
parser.eval( L"builtin . " DATADIR "/fish/config.fish 2>/dev/null", 0, TOP );
parser.eval( L"builtin . " SYSCONFDIR L"/fish/config.fish 2>/dev/null", 0, TOP );
@ -97,7 +97,7 @@ static int read_init()
{
config_dir_escaped = escape( config_dir, 1 );
sb_printf( eval_buff, L"builtin . %ls/config.fish 2>/dev/null", config_dir_escaped );
eval( (wchar_t *)eval_buff->buff, 0, TOP );
parser.eval( (wchar_t *)eval_buff->buff, 0, TOP );
free( config_dir_escaped );
}
@ -307,7 +307,7 @@ int main( int argc, char **argv )
proc_init();
event_init();
wutil_init();
parser_init();
//parser_init();
builtin_init();
function_init();
env_init();
@ -318,8 +318,9 @@ int main( int argc, char **argv )
{
if( cmd != 0 )
{
parser_t parser(PARSER_TYPE_GENERAL);
wchar_t *cmd_wcs = str2wcs( cmd );
res = eval( cmd_wcs, 0, TOP );
res = parser.eval( cmd_wcs, 0, TOP );
free(cmd_wcs);
reader_exit(0, 0);
}

137
parser.cpp
View file

@ -401,32 +401,6 @@ static int parse_job( process_t *p,
job_t *j,
tokenizer *tok );
/**
Struct used to keep track of profiling data for a command
*/
typedef struct
{
/**
Time spent executing the specified command, including parse time for nested blocks.
*/
int exec;
/**
Time spent parsing the specified command, including execution time for command substitutions.
*/
int parse;
/**
The block level of the specified command. nested blocks and command substitutions both increase the block level.
*/
int level;
/**
If the execution of this command was skipped.
*/
int skipped;
/**
The command string.
*/
wchar_t *cmd;
} profile_element_t;
/**
Return the current number of block nestings
@ -441,12 +415,12 @@ static int block_count( block_t *b )
}
*/
void parser_push_block( int type )
void parser_t::push_block( int type )
{
block_t *newv = (block_t *)halloc( 0, sizeof( block_t ));
newv->src_lineno = parser_get_lineno();
newv->src_filename = parser_current_filename()?intern(parser_current_filename()):0;
newv->src_lineno = parser_t::get_lineno();
newv->src_filename = parser_t::current_filename()?intern(parser_t::current_filename()):0;
newv->outer = current_block;
newv->type = (current_block && current_block->skip)?FAKE:type;
@ -640,7 +614,7 @@ void parser_allow_function()
forbidden_function.pop_back();
}
void error( int ec, int p, const wchar_t *str, ... )
void parser_t::error( int ec, int p, const wchar_t *str, ... )
{
va_list va;
@ -664,27 +638,27 @@ void error( int ec, int p, const wchar_t *str, ... )
/**
Print profiling information to the specified stream
*/
static void print_profile( array_list_t *p,
int pos,
static void print_profile( const std::vector<profile_item_t> &items,
size_t pos,
FILE *out )
{
profile_element_t *me, *prev;
int i;
const profile_item_t *me, *prev;
size_t i;
int my_time;
if( pos >= al_get_count( p ) )
if( pos >= items.size() )
{
return;
}
me= (profile_element_t *)al_get( p, pos );
me= &items.at(pos);
if( !me->skipped )
{
my_time=me->parse+me->exec;
for( i=pos+1; i<al_get_count(p); i++ )
for( i=pos+1; i<items.size(); i++ )
{
prev = (profile_element_t *)al_get( p, i );
prev = &items.at(i);
if( prev->skipped )
{
continue;
@ -704,7 +678,7 @@ static void print_profile( array_list_t *p,
my_time -= prev->exec;
}
if( me->cmd )
if( me->cmd.size() > 0 )
{
if( fwprintf( out, L"%d\t%d\t", my_time, me->parse+me->exec ) < 0 )
{
@ -721,7 +695,7 @@ static void print_profile( array_list_t *p,
}
}
if( fwprintf( out, L"> %ls\n", me->cmd ) < 0 )
if( fwprintf( out, L"> %ls\n", me->cmd.c_str() ) < 0 )
{
wperror( L"fwprintf" );
return;
@ -729,12 +703,10 @@ static void print_profile( array_list_t *p,
}
}
print_profile( p, pos+1, out );
free( me->cmd );
free( me );
print_profile( items, pos+1, out );
}
void parser_destroy()
void parser_t::destroy()
{
if( profile )
{
@ -758,7 +730,7 @@ void parser_destroy()
}
else
{
print_profile( &profile_data, 0, f );
print_profile( profile_items, 0, f );
}
if( fclose( f ) )
@ -785,7 +757,7 @@ void parser_destroy()
\param target the buffer to write to
\param prefix: The string token to prefix the ech line with. Usually the name of the command trying to parse something.
*/
static void print_errors( string_buffer_t *target, const wchar_t *prefix )
void parser_t::print_errors( string_buffer_t *target, const wchar_t *prefix )
{
CHECK( target, );
CHECK( prefix, );
@ -799,7 +771,7 @@ static void print_errors( string_buffer_t *target, const wchar_t *prefix )
tmp = current_tokenizer_pos;
current_tokenizer_pos = err_pos;
sb_printf( target, L"%ls", parser_current_line() );
sb_printf( target, L"%ls", this->current_line() );
current_tokenizer_pos=tmp;
}
@ -808,7 +780,7 @@ static void print_errors( string_buffer_t *target, const wchar_t *prefix )
/**
Print error message to stderr if an error has occured while parsing
*/
static void print_errors_stderr()
static void print_errors_stderr(parser_t &parser)
{
if( error_code && err_buff )
{
@ -818,14 +790,14 @@ static void print_errors_stderr()
tmp = current_tokenizer_pos;
current_tokenizer_pos = err_pos;
fwprintf( stderr, L"%ls", parser_current_line() );
fwprintf( stderr, L"%ls", parser.current_line() );
current_tokenizer_pos=tmp;
}
}
int eval_args( const wchar_t *line, array_list_t *args )
int parser_t::eval_args( const wchar_t *line, array_list_t *args )
{
tokenizer tok;
/*
@ -897,7 +869,7 @@ int eval_args( const wchar_t *line, array_list_t *args )
}
}
print_errors_stderr();
print_errors_stderr(*this);
tok_destroy( &tok );
@ -1110,7 +1082,7 @@ static int printed_width( const wchar_t *str, int len )
}
const wchar_t *parser_current_line()
const wchar_t *parser_t::current_line()
{
int lineno=1;
@ -1273,7 +1245,7 @@ int parser_is_help( wchar_t *s, int min_match )
\param tok the tokenizer to read options from
\param args the argument list to insert options into
*/
static void parse_job_argument_list( process_t *p,
void parser_t::parse_job_argument_list( process_t *p,
job_t *j,
tokenizer *tok,
array_list_t *args )
@ -1637,7 +1609,7 @@ static void parse_job_argument_list( process_t *p,
tmp = current_tokenizer_pos;
current_tokenizer_pos = unmatched_pos;
fwprintf( stderr, L"%ls", parser_current_line() );
fwprintf( stderr, L"%ls", parser_t::current_line() );
current_tokenizer_pos=tmp;
}
@ -1668,7 +1640,7 @@ static void parse_job_argument_list( process_t *p,
f
\return 1 on success, 0 on error
*/
static int parse_job( process_t *p,
int parser_t::parse_job( process_t *p,
job_t *j,
tokenizer *tok )
{
@ -1849,7 +1821,7 @@ static int parse_job( process_t *p,
if( new_block )
{
parser.push_block( WHILE );
this->push_block( WHILE );
current_block->param1.while_state=WHILE_TEST_FIRST;
current_block->tok_pos = mark;
}
@ -1862,7 +1834,7 @@ static int parse_job( process_t *p,
{
tok_next( tok );
parser.push_block( IF );
this->push_block( IF );
current_block->param1.if_state=0;
current_block->tok_pos = mark;
@ -2070,7 +2042,7 @@ static int parse_job( process_t *p,
tmp = current_tokenizer_pos;
current_tokenizer_pos = tok_get_pos(tok);
fwprintf( stderr, L"%ls", parser_current_line() );
fwprintf( stderr, L"%ls", parser_t::current_line() );
current_tokenizer_pos=tmp;
@ -2224,7 +2196,7 @@ static int parse_job( process_t *p,
\param j the job to execute
*/
static void skipped_exec( job_t * j )
void parser_t::skipped_exec( job_t * j )
{
process_t *p;
@ -2237,13 +2209,13 @@ static void skipped_exec( job_t * j )
( wcscmp( p->argv[0], L"begin" )==0) ||
( wcscmp( p->argv[0], L"function" )==0))
{
parser.push_block( FAKE );
this->push_block( FAKE );
}
else if( wcscmp( p->argv[0], L"end" )==0)
{
if(!current_block->outer->skip )
{
exec( j );
exec( *this, j );
return;
}
parser_pop_block();
@ -2253,7 +2225,7 @@ static void skipped_exec( job_t * j )
if( (current_block->type == IF ) &&
(current_block->param1.if_state != 0))
{
exec( j );
exec( *this, j );
return;
}
}
@ -2261,7 +2233,7 @@ static void skipped_exec( job_t * j )
{
if( (current_block->type == SWITCH ) )
{
exec( j );
exec( *this, j );
return;
}
}
@ -2277,7 +2249,7 @@ static void skipped_exec( job_t * j )
\param tok The tokenizer to read tokens from
*/
static void eval_job( parser_t &parser, tokenizer *tok )
void parser_t::eval_job( tokenizer *tok )
{
job_t *j;
@ -2291,8 +2263,8 @@ static void eval_job( parser_t &parser, tokenizer *tok )
if( profile )
{
parser.profile_items.resize(parser.profile_items.size() + 1);
profile_item = &parser.profile_items.back();
profile_items.resize(profile_items.size() + 1);
profile_item = &profile_items.back();
profile_item->cmd = L"";
profile_item->skipped = 1;
t1 = get_time();
@ -2365,7 +2337,7 @@ static void eval_job( parser_t &parser, tokenizer *tok )
// was_builtin = 1;
prev_tokenizer_pos = current_tokenizer_pos;
current_tokenizer_pos = job_begin_pos;
exec( j );
exec( *this, j );
current_tokenizer_pos = prev_tokenizer_pos;
/* Only external commands require a new fishd barrier */
@ -2374,7 +2346,7 @@ static void eval_job( parser_t &parser, tokenizer *tok )
}
else
{
skipped_exec( j );
this->skipped_exec( j );
}
if( profile )
@ -2479,8 +2451,9 @@ static void eval_job( parser_t &parser, tokenizer *tok )
}
int eval( const wchar_t *cmd, io_data_t *io, enum block_type_t block_type )
int parser_t::eval( const wcstring &cmdStr, io_data_t *io, enum block_type_t block_type )
{
const wchar_t * const cmd = cmdStr.c_str();
size_t forbid_count;
int code;
tokenizer *previous_tokenizer=current_tokenizer;
@ -2523,7 +2496,7 @@ int eval( const wchar_t *cmd, io_data_t *io, enum block_type_t block_type )
eval_level++;
parser.push_block( block_type );
this->push_block( block_type );
current_tokenizer = (tokenizer *)malloc( sizeof(tokenizer));
tok_init( current_tokenizer, cmd, 0 );
@ -2537,7 +2510,7 @@ int eval( const wchar_t *cmd, io_data_t *io, enum block_type_t block_type )
!sanity_check() &&
!exit_status() )
{
eval_job( parser, current_tokenizer );
this->eval_job( current_tokenizer );
event_fire( NULL );
}
@ -2566,9 +2539,9 @@ int eval( const wchar_t *cmd, io_data_t *io, enum block_type_t block_type )
L"%ls", parser_get_block_desc( current_block->type ) );
debug( 1,
BLOCK_END_ERR_MSG );
fwprintf( stderr, L"%ls", parser_current_line() );
fwprintf( stderr, L"%ls", parser_t::current_line() );
h = builtin_help_get( L"end" );
h = builtin_help_get( *this, L"end" );
if( h )
fwprintf( stderr, L"%ls", h );
break;
@ -2578,7 +2551,7 @@ int eval( const wchar_t *cmd, io_data_t *io, enum block_type_t block_type )
parser_pop_block();
}
print_errors_stderr();
print_errors_stderr(*this);
tok_destroy( current_tokenizer );
free( current_tokenizer );
@ -2642,7 +2615,7 @@ const wchar_t *parser_get_block_command( int type )
syntax errors in command substitutions, improperly escaped
characters and improper use of the variable expansion operator.
*/
static int parser_test_argument( const wchar_t *arg, string_buffer_t *out, const wchar_t *prefix, int offset )
int parser_t::parser_test_argument( const wchar_t *arg, string_buffer_t *out, const wchar_t *prefix, int offset )
{
wchar_t *unesc;
wchar_t *pos;
@ -2670,7 +2643,7 @@ static int parser_test_argument( const wchar_t *arg, string_buffer_t *out, const
error( SYNTAX_ERROR,
offset,
L"Mismatched parans" );
print_errors( out, prefix);
this->print_errors( out, prefix);
}
free( arg_cpy );
return 1;
@ -2741,7 +2714,7 @@ static int parser_test_argument( const wchar_t *arg, string_buffer_t *out, const
err=1;
if( out )
{
expand_variable_error( unesc, pos-unesc, offset );
expand_variable_error( *this, unesc, pos-unesc, offset );
print_errors( out, prefix);
}
}
@ -2759,7 +2732,7 @@ static int parser_test_argument( const wchar_t *arg, string_buffer_t *out, const
}
int parser_test_args(const wchar_t * buff,
int parser_t::parser_test_args(const wchar_t * buff,
string_buffer_t *out, const wchar_t *prefix )
{
tokenizer tok;
@ -2833,7 +2806,7 @@ int parser_test_args(const wchar_t * buff,
return err;
}
int parser_test( const wchar_t * buff,
int parser_t::parser_test( const wchar_t * buff,
int *block_level,
string_buffer_t *out,
const wchar_t *prefix )
@ -3087,7 +3060,7 @@ int parser_test( const wchar_t * buff,
INVALID_CASE_ERR_MSG );
print_errors( out, prefix);
h = builtin_help_get( L"case" );
h = builtin_help_get( *this, L"case" );
if( h )
sb_printf( out, L"%ls", h );
}
@ -3249,7 +3222,7 @@ int parser_test( const wchar_t * buff,
tok_get_pos( &tok ),
INVALID_END_ERR_MSG );
print_errors( out, prefix );
h = builtin_help_get( L"end" );
h = builtin_help_get( *this, L"end" );
if( h )
sb_printf( out, L"%ls", h );
}
@ -3535,7 +3508,7 @@ int parser_test( const wchar_t * buff,
cmd = parser_get_block_command( block_type[count -1] );
if( cmd )
{
h = builtin_help_get( cmd );
h = builtin_help_get( *this, cmd );
if( cmd )
{
sb_printf( out, L"%ls", h );

17
parser.h
View file

@ -199,7 +199,7 @@ struct profile_item_t {
/**
The block level of the specified command. nested blocks and command substitutions both increase the block level.
*/
int level;
size_t level;
/**
If the execution of this command was skipped.
*/
@ -210,6 +210,8 @@ struct profile_item_t {
wcstring cmd;
};
struct tokenizer;
class parser_t {
private:
std::vector<block_t> blocks;
@ -218,6 +220,15 @@ class parser_t {
parser_t(const parser_t&);
parser_t& operator=(const parser_t&);
void parse_job_argument_list( process_t *p, job_t *j, tokenizer *tok, array_list_t *args );
int parse_job( process_t *p, job_t *j, tokenizer *tok );
void skipped_exec( job_t * j );
void eval_job( tokenizer *tok );
int parser_test_argument( const wchar_t *arg, string_buffer_t *out, const wchar_t *prefix, int offset );
int parser_test( const wchar_t * buff, int *block_level, string_buffer_t *out, const wchar_t *prefix );
int parser_test_args(const wchar_t * buff, string_buffer_t *out, const wchar_t *prefix );
void print_errors( string_buffer_t *target, const wchar_t *prefix );
public:
std::vector<profile_item_t> profile_items;
@ -231,7 +242,7 @@ class parser_t {
event_block_t *global_event_block;
/** Current block level io redirections */
io_data_t &block_io(void) const;
io_data_t *block_io;
/**
Evaluate the expressions contained in cmd.
@ -268,7 +279,7 @@ class parser_t {
init.fish (line 127): ls|grep pancake
*/
const wchar_t *current_line() const;
const wchar_t *current_line();
/**
Returns the current line number

5
tokenizer.h
View file

@ -62,7 +62,7 @@ enum tokenizer_error
/**
The tokenizer struct.
*/
typedef struct
struct tokenizer
{
/** A pointer into the original string, showing where the next token begins */
wchar_t *buff;
@ -89,8 +89,7 @@ typedef struct
wchar_t last_quote;
/** Last error */
int error;
}
tokenizer;
};
/**
Initialize the tokenizer. b is the string that is to be