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Basic bytevector FFI support.

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Alex Shinn 2014-08-21 21:57:57 +09:00
parent 72ce309918
commit 8d636f3ca5
1 changed files with 20 additions and 3 deletions
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23
tools/chibi-ffi
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@ -514,6 +514,7 @@
((int-type? base) "sexp_exact_integerp")
((float-type? base) "sexp_flonump")
((string-type? base) "sexp_stringp")
((eq? base 'bytevector) "sexp_bytesp")
((eq? base 'char) "sexp_charp")
((eq? base 'boolean) "sexp_booleanp")
((eq? base 'port) "sexp_portp")
@ -537,6 +538,7 @@
((int-type? base) "SEXP_FIXNUM")
((float-type? base) "SEXP_FLONUM")
((string-type? base) "SEXP_STRING")
((eq? base 'bytevector) "SEXP_BYTES")
((eq? base 'char) "SEXP_CHAR")
((eq? base 'boolean) "SEXP_BOOLEAN")
((eq? base 'string) "SEXP_STRING")
@ -587,6 +589,11 @@
"sexp_unbox_fixnum(res)"
"-1"))
(define (c-bytes-length type val)
(if (memq 'result (type-array type))
"res"
(lambda () (cat "sexp_make_fixnum(sexp_bytes_length(" val "))"))))
(define (c->scheme-converter type val . o)
(let ((base (type-base type)))
(cond
@ -615,6 +622,9 @@
" : sexp_cons(ctx, str=" val ", SEXP_FALSE)"))
((string-type? base)
(cat "sexp_c_string(ctx, " val ", " (c-array-length type) ")"))
((eq? 'bytevector base)
(cat "sexp_string_to_bytes(ctx, sexp_c_string(ctx, " val ", "
(c-bytes-length type val) "))"))
((eq? 'input-port base)
(cat "sexp_make_non_null_input_port(ctx, " val ", SEXP_FALSE)"))
((eq? 'output-port base)
@ -668,6 +678,11 @@
"sexp_string_maybe_null_data"
"sexp_string_data")
"(" val ")"))
((eq? base 'bytevector)
(cat (if (type-null? type)
"sexp_bytes_maybe_null_data"
"sexp_bytes_data")
"(" val ")"))
((eq? base 'port-or-fileno)
(cat "(sexp_portp(" val ") ? sexp_port_fileno(" val ")"
" : sexp_filenop(" val ") ? sexp_fileno_fd(" val ")"
@ -692,7 +707,8 @@
(define (base-type-c-name base)
(case base
((string env-string non-null-string) (if *c++?* "string" "char*"))
((string env-string non-null-string bytevector)
(if *c++?* "string" "char*"))
((fileno fileno-nonblock) "int")
(else (string-replace (symbol->string base) #\- " "))))
@ -738,7 +754,7 @@
(if (type-null? type) "(" "")
(type-predicate type) "(" arg ")"
(lambda () (if (type-null? type) (cat " || sexp_not(" arg "))")))))
((or (eq? base 'char) (int-type? base)
((or (eq? base 'char) (eq? base 'bytevector) (int-type? base)
(float-type? base) (port-type? base))
(cat (type-predicate type) "(" arg ")"))
((or (lookup-type base) (void-pointer-type? type))
@ -781,7 +797,7 @@
(float-type? base-type)
(string-type? base-type)
(port-type? base-type)
(memq base-type '(fileno fileno-nonblock))
(memq base-type '(bytevector fileno fileno-nonblock))
(and (not array) (eq? 'char base-type)))
(cat
" if (! " (lambda () (check-type arg type)) ")\n"
@ -972,6 +988,7 @@
(cond
((eq? name 'string-length) 'sexp_string_length)
((eq? name 'string-size) 'sexp_string_size)
((eq? name 'bytevector-length) 'sexp_bytes_length)
(else name)))
(define (write-value func val)