! executing SQL calls and obtaining results.
!
IN: sqlite
-USE: kernel
-USE: alien
-USE: errors
-USE: strings
-USE: namespaces
-USE: sequences
-USE: compiler
-
-"sqlite" windows? [ "sqlite3.dll" ] [ "libsqlite3.so" ] if "cdecl" add-library
-BEGIN-STRUCT: sqlite3
-END-STRUCT
-
-BEGIN-STRUCT: sqlite3-indirect
- FIELD: sqlite3* pointer
-END-STRUCT
-
-BEGIN-STRUCT: sqlite3-stmt
-END-STRUCT
-
-BEGIN-STRUCT: sqlite3-stmt-indirect
- FIELD: sqlite3-stmt* pointer
-END-STRUCT
-
-BEGIN-STRUCT: char*-indirect
- FIELD: char* pointer
-END-STRUCT
-
-! Return values from sqlite functions
-: SQLITE_OK 0 ; ! Successful result
-: SQLITE_ERROR 1 ; ! SQL error or missing database
-: SQLITE_INTERNAL 2 ; ! An internal logic error in SQLite
-: SQLITE_PERM 3 ; ! Access permission denied
-: SQLITE_ABORT 4 ; ! Callback routine requested an abort
-: SQLITE_BUSY 5 ; ! The database file is locked
-: SQLITE_LOCKED 6 ; ! A table in the database is locked
-: SQLITE_NOMEM 7 ; ! A malloc() failed
-: SQLITE_READONLY 8 ; ! Attempt to write a readonly database
-: SQLITE_INTERRUPT 9 ; ! Operation terminated by sqlite_interrupt()
-: SQLITE_IOERR 10 ; ! Some kind of disk I/O error occurred
-: SQLITE_CORRUPT 11 ; ! The database disk image is malformed
-: SQLITE_NOTFOUND 12 ; ! (Internal Only) Table or record not found
-: SQLITE_FULL 13 ; ! Insertion failed because database is full
-: SQLITE_CANTOPEN 14 ; ! Unable to open the database file
-: SQLITE_PROTOCOL 15 ; ! Database lock protocol error
-: SQLITE_EMPTY 16 ; ! (Internal Only) Database table is empty
-: SQLITE_SCHEMA 17 ; ! The database schema changed
-: SQLITE_TOOBIG 18 ; ! Too much data for one row of a table
-: SQLITE_CONSTRAINT 19 ; ! Abort due to contraint violation
-: SQLITE_MISMATCH 20 ; ! Data type mismatch
-: SQLITE_MISUSE 21 ; ! Library used incorrectly
-: SQLITE_NOLFS 22 ; ! Uses OS features not supported on host
-: SQLITE_AUTH 23 ; ! Authorization denied
-: SQLITE_ROW 100 ; ! sqlite_step() has another row ready
-: SQLITE_DONE 101 ; ! sqlite_step() has finished executing
-
-! Return values from the sqlite3_column_type function
-: SQLITE_INTEGER 1 ;
-: SQLITE_FLOAT 2 ;
-: SQLITE_TEXT 3 ;
-: SQLITE_BLOB 4 ;
-: SQLITE_NULL 5 ;
-
-! Values for the 'destructor' parameter of the 'bind' routines.
-: SQLITE_STATIC 0 ;
-: SQLITE_TRANSIENT -1 ;
-
-: sqlite3_open ( filename sqlite3-indirect -- result )
- "int" "sqlite" "sqlite3_open" [ "char*" "sqlite3-indirect*" ] alien-invoke ;
-
-: sqlite3_close ( db -- result )
- "int" "sqlite" "sqlite3_close" [ "sqlite3*" ] alien-invoke ;
-
-: sqlite3_prepare ( db sql sql-len sqlite3-stmt-indirect tail -- result )
- "int" "sqlite" "sqlite3_prepare" [ "sqlite3*" "char*" "int" "sqlite3-stmt-indirect*" "char*-indirect*" ] alien-invoke ;
-
-: sqlite3_finalize ( stmt -- result )
- "int" "sqlite" "sqlite3_finalize" [ "sqlite3-stmt*" ] alien-invoke ;
-
-: sqlite3_reset ( stmt -- result )
- "int" "sqlite" "sqlite3_reset" [ "sqlite3-stmt*" ] alien-invoke ;
-
-: sqlite3_step ( stmt -- result )
- "int" "sqlite" "sqlite3_step" [ "sqlite3-stmt*" ] alien-invoke ;
-
-: sqlite3_last_insert_rowid ( stmt -- result )
- "int" "sqlite" "sqlite3_last_insert_rowid" [ "sqlite3*" ] alien-invoke ;
-
-: sqlite3_bind_blob ( stmt index pointer len destructor -- result )
- "int" "sqlite" "sqlite3_bind_blob" [ "sqlite3-stmt*" "int" "void*" "int" "int" ] alien-invoke ;
-
-: sqlite3_bind_int ( stmt index int -- result )
- "int" "sqlite" "sqlite3_bind_int" [ "sqlite3-stmt*" "int" "int" ] alien-invoke ;
-
-: sqlite3_bind_null ( stmt index -- result )
- "int" "sqlite" "sqlite3_bind_null" [ "sqlite3-stmt*" "int" ] alien-invoke ;
-
-: sqlite3_bind_text ( stmt index text len destructor -- result )
- "int" "sqlite" "sqlite3_bind_text" [ "sqlite3-stmt*" "int" "char*" "int" "int" ] alien-invoke ;
-
-: sqlite3_bind_parameter_index ( stmt name -- result )
- "int" "sqlite" "sqlite3_bind_parameter_index" [ "sqlite3-stmt*" "char*" ] alien-invoke ;
-
-: sqlite3_column_count ( stmt -- count )
- "int" "sqlite" "sqlite3_column_count" [ "sqlite3-stmt*" ] alien-invoke ;
-
-: sqlite3_column_blob ( stmt col -- void* )
- "void*" "sqlite" "sqlite3_column_blob" [ "sqlite3-stmt*" "int" ] alien-invoke ;
+USING: alien compiler errors libsqlite kernel namespaces sequences strings ;
-: sqlite3_column_bytes ( stmt col -- int )
- "int" "sqlite" "sqlite3_column_bytes" [ "sqlite3-stmt*" "int" ] alien-invoke ;
-
-: sqlite3_column_decltype ( stmt col -- string )
- "char*" "sqlite" "sqlite3_column_decltype" [ "sqlite3-stmt*" "int" ] alien-invoke ;
-
-: sqlite3_column_int ( stmt col -- int )
- "int" "sqlite" "sqlite3_column_int" [ "sqlite3-stmt*" "int" ] alien-invoke ;
-
-: sqlite3_column_name ( stmt col -- string )
- "char*" "sqlite" "sqlite3_column_name" [ "sqlite3-stmt*" "int" ] alien-invoke ;
-
-: sqlite3_column_text ( stmt col -- string )
- "char*" "sqlite" "sqlite3_column_text" [ "sqlite3-stmt*" "int" ] alien-invoke ;
-
-: sqlite3_column_type ( stmt col -- int )
- "int" "sqlite" "sqlite3_column_type" [ "sqlite3-stmt*" "int" ] alien-invoke ;
+TUPLE: sqlite-error n message ;
! High level sqlite routines
: sqlite-check-result ( result -- )
#! Check the result from a sqlite call is ok. If it is
- #! return, otherwise throw an error. TODO: Throw the actual
- #! error text message.
+ #! return, otherwise throw an error.
dup SQLITE_OK = [
drop
] [
- "sqlite returned an error. See datastack for the error value." throw
+ dup sqlite-error-messages nth <sqlite-error> throw
] if ;
: sqlite-open ( filename -- db )
#! Open the database referenced by the filename and return
#! a handle to that database. An error is thrown if the database
#! failed to open.
- "sqlite3-indirect" <c-object> tuck sqlite3_open sqlite-check-result sqlite3-indirect-pointer ;
+ "void*" <c-object> [ sqlite3_open sqlite-check-result ] keep *void* ;
: sqlite-close ( db -- )
#! Close the given database
#! Prepare a SQL statement. Returns the statement which
#! can have values bound to parameters or simply executed.
#! TODO: Support multiple statements in the SQL string.
- dup length "sqlite3-stmt-indirect" <c-object> dup >r
- "char*-indirect" <c-object> sqlite3_prepare sqlite-check-result
- r> sqlite3-stmt-indirect-pointer ;
+ dup length "void*" <c-object> "void*" <c-object>
+ [ sqlite3_prepare sqlite-check-result ] 2keep
+ drop *void* ;
: sqlite-bind-text ( statement index text -- )
#! Bind the text to the parameterized value in the statement.
projects / factor.git / blobdiff