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|
;;;; compiler-tests.scm
(import (chicken bitwise) (chicken flonum) (chicken foreign)
(chicken condition) (srfi 4))
(import-for-syntax (chicken syntax) (chicken string))
;; test dropping of previous toplevel assignments
(define (foo) (define (bar) 1) (bar 2)) ; will trigger error later
(define bar 1)
(define (baz) 2)
(define (foo) 'ok)
(assert (eq? 'ok (foo)))
(assert (= 1 (foreign-type-size "char")))
(let* ((words->bytes (foreign-lambda int "C_wordstobytes" int))
(bytes-in-a-word (words->bytes 1)))
(assert (= bytes-in-a-word (foreign-type-size "C_word"))))
;; test hiding of unexported toplevel variables
(module foo (bar)
(import scheme chicken.base)
(declare (hide bar))
(define (bar x) (+ x 1)))
(assert (not (##sys#symbol-has-toplevel-binding? 'foo#bar)))
;;; rev. 12104 (reported by Jörg Wittenberger)
;
; - canonicalization of assignment to location didn't walk expansion recursively
(define test-location
(let-location ((again bool #f))
(lambda ()
((foreign-lambda*
int
(((c-pointer bool) again))
"*again=1; return(1);")
(location again))
again)))
(assert (test-location))
;;; rev. 12188 (reported by Jörg Wittenberger)
;
; - generated init-assignment refers to alias, but alias isn't seen later)
(module
x
(bar)
(import scheme chicken.base chicken.foreign)
(define (bar n)
(let-location ((off integer 0))
(lambda ()
((foreign-lambda*
void
(((c-pointer integer) i))
"(*i)++;")
(location off))
off)))
)
(import x)
(assert (= 1 ((bar 42))))
;; Test custom foreign type conversions
(module y (my-add1)
(import scheme (chicken base) (chicken foreign))
(define-foreign-type my-int integer add1 sub1)
(define my-add1 (foreign-lambda* my-int ((my-int x)) "C_return(x+1);")))
(import y)
(assert (= 2 (my-add1 1)))
;;; rev. 14574 (reported by Peter Bex)
;
; - type specifiers in foreign-lambda in macros are incorrectly renamed
; - variable names and type specifiers in foreign-lambda* and
; foreign-primitive in macros are incorrectly renamed
(let-syntax ((strlen-macro
(syntax-rules ()
((strlen-macro arg)
(print ((foreign-lambda int strlen c-string) arg)))))
(strlen-macro*
(syntax-rules ()
((strlen-macro* arg)
(print ((foreign-lambda* int ((c-string str))
"C_return(strlen(str));") arg)))))
(strlen-safe-macro
(syntax-rules ()
((strlen-safe-macro arg)
(print ((foreign-safe-lambda int strlen c-string) arg)))))
(strlen-safe-macro*
(syntax-rules ()
((strlen-safe-macro* arg)
(print ((foreign-safe-lambda* int ((c-string str))
"C_return(strlen(str));") arg)))))
(strlen-primitive-macro
(syntax-rules ()
((strlen-primitive-macro* arg)
(print ((foreign-primitive int ((c-string str))
"C_return(strlen(str));") arg))))))
(strlen-macro "hello, world")
(strlen-macro* "hello, world")
(strlen-safe-macro "hello, world")
(strlen-safe-macro* "hello, world")
(strlen-primitive-macro "hello, world"))
;; Type specifiers and variable names in foreign-lambda in macros
;; are incorrectly renamed in modules, too.
(foreign-declare "void foo(void *abc) { printf(\"hi\\n\"); }")
;; This is silly but at least it ensures we can represent enum values
(foreign-declare "enum intlimits {min=INT_MIN, zero=0, max=INT_MAX};")
(module foo ()
(import scheme chicken.base chicken.foreign)
(let-syntax ((fl
(syntax-rules ()
((_)
(foreign-lambda void foo (c-pointer void)))))
(fl*
(syntax-rules ()
((_)
(foreign-lambda* void (((c-pointer void) a))
"C_return(a);"))))
(fp
(syntax-rules ()
((_)
(foreign-primitive void (((c-pointer void) a))
"C_return(a);")))))
(fl)
(fl*)
(fp)))
;; "const" qualifier should have no visible effect in Scheme
(define-syntax generate-external
(syntax-rules ()
((_) (define-external
(print_foo ((const c-string) foo))
void
(assert (string? foo))
(print foo)))))
(generate-external)
((foreign-safe-lambda* void ()
"print_foo(\"bar\");"))
;; Unused arguments in foreign callback wrappers are not optimized away (#584)
(module bla (foo)
(import (prefix scheme s:) (only chicken.base assert) chicken.foreign)
(define-external
(blabla (int a) (c-string b) (int c) (int d) (c-string e) (int f))
int
f)
(s:define (foo) ((foreign-safe-lambda* int () "C_return(blabla(1, \"2\", 3, 4, \"5\", 6));")))
(assert (location blabla))
)
(import bla)
(assert (= (foo) 6))
;;; compiler-syntax for map/for-each must be careful when the
; operator may have side-effects (currently only lambda exprs and symbols
; are allowed)
(let ((x #f))
(define (f1 x) (print* x " "))
(map f1 '(1 2 3))
(newline)
(map (begin (assert (not x))
(set! x #t)
f1)
'(1 2 3))
(map (lambda (x) (print* ":" x)) '(1 2 3))
(newline))
(let ((x #f))
(define (f1 x) (print* x " "))
(let-syntax ((f1 (syntax-rules ()
((_ y)
(begin
(assert (not x))
(set! x #t)
f1)))))
(for-each f1 '(1 2 3))))
(newline)
;; Test safety of ##sys#make-c-string
(handle-exceptions exn (print "Good, unrepresentable C strings cause errors")
(print "BUG! We got, without error, length = "
((foreign-lambda* int ((c-string str))
"C_return(strlen(str));")
"foo\x00bar")))
;; failed compile-time argument count check (reported by Alan Post)
;; cbb27fe380ff8e45cdf04d812e1ec649bf45ca47
(define (foo)
(define (bar #!key a)
(define (baz)
(bar a: #t))
baz)
bar)
;; global-propagation must also invalidate alias to global if global
;; itself is assigned (reported by Sven Hartrumpf)
(define gp-test-global 0)
(define (gp-test)
(let ((a gp-test-global)
(b gp-test-global))
(set! gp-test-global 1)
(assert (zero? a))
(assert (zero? b))))
(gp-test)
;; Optimizer would "lift" inner-bar out of its let and replace
;; outer-bar with it, even though it wasn't visible yet. Caused by
;; broken cps-conversion (underlying problem for #1068).
(assert (equal? 1 (let ((outer-bar (##core#undefined)))
(let ((inner-bar (let ((tmp (lambda (x)
(if x '1 (outer-bar '#t)))))
tmp)))
(set! outer-bar inner-bar)
(outer-bar #f)))))
;; Slightly modified version which broke after fixing the above due
;; to replacement optimization getting triggered. This replacement
;; caused outer-bar to get replaced by inner-bar, even within itself,
;; thereby causing an undefined variable reference.
(assert (equal? 1 (let ((outer-bar (##core#undefined)))
(let ((inner-bar (lambda (x)
(if x '1 (outer-bar outer-bar)))))
(set! outer-bar inner-bar)
(outer-bar '#f)))))
;; Found by Claude Marinier: Huge literals with a length which need
;; more than 3 bytes to encode would get silently truncated. We'll
;; prevent constant-folding if it would lead to such large literals.
(let* ((bignum (expt 2 70000000))
;; This prevents complete evaluation at compile-time
(unknown-bignum ((foreign-lambda* scheme-object
((scheme-object n)) "C_return(n);") bignum)))
(assert (equal? 70000001 (integer-length unknown-bignum))))
;; Test that encode-literal/decode-literal use the proper functions
;; to decode number literals.
(assert (equal? '(+inf.0 -inf.0) (list (fp/ 1.0 0.0) (fp/ -1.0 0.0))))
;; Test that encode-literal doesn't drop digits for extreme flonum values.
;; This number is 2^971 * (2^53 - 1), and is the positive "all ones" number for
;; 64-bit flonums with precision 53 and significand/mantissa 10.
;; If we want to support 32-bit flonums or flonums with different precision
;; or significand, we need a cond-expand here or something.
;; Technically, even larger decimal numbers can be represented by flonums.
;; This number can correctly be compared exactly.
(assert (= (* (- (expt 2 flonum-precision) 1)
(expt 2 (- flonum-maximum-exponent flonum-precision)))
179769313486231570814527423731704356798070567525844996598917476803157260780028538760589558632766878171540458953514382464234321326889464182768467546703537516986049910576551282076245490090389328944075868508455133942304583236903222948165808559332123348274797826204144723168738177180919299881250404026184124858368.0
(string->number "179769313486231570814527423731704356798070567525844996598917476803157260780028538760589558632766878171540458953514382464234321326889464182768467546703537516986049910576551282076245490090389328944075868508455133942304583236903222948165808559332123348274797826204144723168738177180919299881250404026184124858368.0")))
;; #955: unsigned-integer64 arg returned magnitude instead of Scheme object.
(assert (eqv? #xAB54A98CEB1F0AD2
((foreign-lambda* unsigned-integer64 ((unsigned-integer64 x))
"C_return(x);")
#xAB54A98CEB1F0AD2)))
;; Test the maximum and minimum values of the FFI's integer types
(define-syntax test-ffi-type-limits
(syntax-rules (signed unsigned)
((_ ?type-name unsigned ?bits)
(let ((limit (arithmetic-shift 1 ?bits)))
(print "Testing unsigned FFI type \"" '?type-name "\" (" ?bits " bits):")
(print "Can hold maximum value " (sub1 limit) "...")
(assert
(eqv? (sub1 limit)
((foreign-lambda* ?type-name ((?type-name x))
"C_return(x);") (sub1 limit))))
(print "Cannot hold one more than maximum value, " limit "...")
(assert
(handle-exceptions exn #t
(begin ((foreign-lambda* ?type-name ((?type-name x))
"C_return(x);") limit)
#f)))
(print "Cannot hold -1 (any fixnum negative value)")
(assert
(handle-exceptions exn #t
(begin ((foreign-lambda* ?type-name ((?type-name x))
"C_return(x);") -1)
#f)))
(print "Cannot hold -2^64 (any bignum negative value < smallest int64)")
(assert
(handle-exceptions exn #t
(begin ((foreign-lambda* ?type-name ((?type-name x))
"C_return(x);") #x-10000000000000000)
#f)))))
((_ ?type-name signed ?bits)
(let ((limit (arithmetic-shift 1 (sub1 ?bits))))
(print "Testing signed FFI type \"" '?type-name "\" (" ?bits " bits):")
(print "Can hold maximum value " (sub1 limit) "...")
(assert
(eqv? (sub1 limit)
((foreign-lambda* ?type-name ((?type-name x))
"C_return(x);") (sub1 limit))))
(print "Can hold minimum value " (- limit) "...")
(assert
(eqv? (- limit)
((foreign-lambda* ?type-name ((?type-name x))
"C_return(x);") (- limit))))
(print "Cannot hold one more than maximum value " limit "...")
(assert
(handle-exceptions exn #t
(begin ((foreign-lambda* ?type-name ((?type-name x))
"C_return(x);") limit)
#f)))
(print "Cannot hold one less than minimum value " (- limit) "...")
(assert
(handle-exceptions exn #t
(begin ((foreign-lambda* ?type-name ((?type-name x))
"C_return(x);") (sub1 (- limit)))
#f)))))))
(test-ffi-type-limits unsigned-integer32 unsigned 32)
(test-ffi-type-limits integer32 signed 32)
(test-ffi-type-limits unsigned-integer64 unsigned 64)
(test-ffi-type-limits integer64 signed 64)
(test-ffi-type-limits
unsigned-integer unsigned
(foreign-value "sizeof(unsigned int) * CHAR_BIT" int))
(test-ffi-type-limits
integer signed (foreign-value "sizeof(int) * CHAR_BIT" int))
(test-ffi-type-limits
(enum intlimits) signed
(foreign-value "sizeof(enum intlimits) * CHAR_BIT" int))
(test-ffi-type-limits
unsigned-long unsigned
(foreign-value "sizeof(unsigned long) * CHAR_BIT" int))
(test-ffi-type-limits
long signed (foreign-value "sizeof(long) * CHAR_BIT" int))
(test-ffi-type-limits
ssize_t signed (foreign-value "sizeof(ssize_t) * CHAR_BIT" int))
(test-ffi-type-limits
size_t unsigned (foreign-value "sizeof(size_t) * CHAR_BIT" int))
;; #1059: foreign vector types use wrong lolevel accessors, causing
;; paranoid DEBUGBUILD assertions to fail.
(define-syntax srfi-4-vector-length
(er-macro-transformer
(lambda (e r c)
(let* ((type (symbol->string (strip-syntax (cadr e))))
(base-type (string-translate* type '(("nonnull-" . ""))))
(length-procedure-name (string-append base-type "-length")))
`(,(string->symbol length-procedure-name) ,(caddr e))))))
(define-syntax s4v-sum
(syntax-rules ()
((_ "integer" type arg)
((foreign-lambda* int ((type v) (int len))
"int i, result = 0;"
"for (i = 0; i < len; ++i) {"
" result += (int)v[i];"
"}"
"C_return(result);") arg (srfi-4-vector-length type arg)))
((_ "float" type arg)
((foreign-lambda* double ((type v) (int len))
"int i; double result = 0.0;"
"for (i = 0; i < len; ++i) {"
" result += v[i];"
"}"
"C_return(result);") arg (srfi-4-vector-length type arg)))))
(assert (= 10 (s4v-sum "integer" u8vector '#u8(1 2 3 4))))
(assert (= 10 (s4v-sum "integer" u16vector '#u16(1 2 3 4))))
(assert (= 10 (s4v-sum "integer" u32vector '#u32(1 2 3 4))))
(assert (= 10 (s4v-sum "integer" s64vector '#s64(1 2 3 4))))
(assert (= 10 (s4v-sum "integer" nonnull-u8vector '#u8(1 2 3 4))))
(assert (= 10 (s4v-sum "integer" nonnull-u16vector '#u16(1 2 3 4))))
(assert (= 10 (s4v-sum "integer" nonnull-u32vector '#u32(1 2 3 4))))
(assert (= 10 (s4v-sum "integer" nonnull-u64vector '#u64(1 2 3 4))))
(assert (= -10 (s4v-sum "integer" s8vector '#s8(-1 -2 -3 -4))))
(assert (= -10 (s4v-sum "integer" s16vector '#s16(-1 -2 -3 -4))))
(assert (= -10 (s4v-sum "integer" s32vector '#s32(-1 -2 -3 -4))))
(assert (= -10 (s4v-sum "integer" s64vector '#s64(-1 -2 -3 -4))))
(assert (= -10 (s4v-sum "integer" nonnull-s8vector '#s8(-1 -2 -3 -4))))
(assert (= -10 (s4v-sum "integer" nonnull-s16vector '#s16(-1 -2 -3 -4))))
(assert (= -10 (s4v-sum "integer" nonnull-s32vector '#s32(-1 -2 -3 -4))))
(assert (= -10 (s4v-sum "integer" nonnull-s64vector '#s64(-1 -2 -3 -4))))
(assert (= 12.0 (s4v-sum "float" f32vector '#f32(1.5 2.5 3.5 4.5))))
(assert (= 12.0 (s4v-sum "float" f64vector '#f64(1.5 2.5 3.5 4.5))))
(assert (= 12.0 (s4v-sum "float" nonnull-f32vector '#f32(1.5 2.5 3.5 4.5))))
(assert (= 12.0 (s4v-sum "float" nonnull-f64vector '#f64(1.5 2.5 3.5 4.5))))
;; Reported by Jörg Wittenberger: in some cases, -profile would
;; generate calls to procedures. This was due to calls to pure
;; procedures not getting replaced with explicitly consed rest
;; list when the procedures themselves were hidden.
(module explicitly-consed-rest-args-bug (do-it also-do-it)
(import scheme chicken.base chicken.type)
(: get-value (* * #!rest * --> *))
(define (get-value x y . rest)
(apply x y rest))
(define (do-it arg)
(get-value arg 2))
(define (also-do-it arg)
(get-value arg 3))
)
; let-location with const-wrapped type
(let-location ((foo (const c-string) "boo"))
(assert (equal? foo "boo")))
; #1424: a foreign lambda with const return type was wrongly rejected
(let ((v0 ((foreign-lambda* c-string () "C_return(\"str\");")))
(v1 ((foreign-lambda* (const c-string) () "C_return(\"str\");"))))
(assert (equal? v0 v1)))
; #1630: inlining may result in incorrectly flagged argument-
; count errors.
(define (outer x y)
(define (append-map proc . lsts)
(if (null? lsts)
(proc 1)
(apply proc lsts)))
(append-map (lambda (a) (assert (= a 1))))
(append-map (lambda (a b) (assert (and (= a 3) (= b 4))))
x y))
(outer 3 4)
; #1703: argvector re-use interfered with rest-arg optimization
(define reduce (lambda (_l ini) (+ ini 1)))
(print ((lambda xs (reduce xs (car xs))) 1 2 3)) ;; prints 2
(define fold- (lambda xs (reduce xs (car xs))))
(print (fold- 1 2 3))
; libraries are only loaded when entry point is called
(let ()
(if #f (require-library (chicken repl)))
(assert (not (##sys#symbol-has-toplevel-binding? 'chicken.repl#repl)))
(if #t (require-library (chicken repl)))
(assert (##sys#symbol-has-toplevel-binding? 'chicken.repl#repl)))
|
