mescc: Tinycc support: struct struct array.
Support
struct foo
{
struct bar baz[N];
struct bar bla*[M];
};
* module/language/c99/compiler.mes (expr->accu):
* scaffold/tests/7n-struct-struct-array.c: Test it.
* make.scm (add-scaffold-test): Build it.
This commit is contained in:
Jan Nieuwenhuizen
parent
26e9dd14e3
commit
02e70486a1
3
make.scm
3
make.scm
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@ -245,7 +245,8 @@ exec ${GUILE-guile} --no-auto-compile -L . -L guile -C . -C guile -s "$0" ${1+"$
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"7j-strtoull"
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"7k-for-each-elem"
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"7l-struct-any-size-array"
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"7m-struct-char-array-assign"))
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"7m-struct-char-array-assign"
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"7n-struct-struct-array"))
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(add-target (group "check-scaffold-tests/7" #:dependencies (filter (target-prefix? "check-scaffold/tests/7") %targets)))
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@ -873,7 +873,7 @@
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(info (clone info #:globals globals)))
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(append-text info (list (i386:label->accu `(#:string ,string))))))
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;;; FIXME: FROM INFO ...only zero?!
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;; FIXME: FROM INFO ...only zero?!
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((p-expr (fixed ,value))
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(let ((value (cstring->number value)))
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(append-text info (wrap-as (i386:value->accu value)))))
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@ -964,11 +964,12 @@
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((d-sel ,field ,struct)
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(let* ((info ((expr->accu* info) o))
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(info (append-text info (ast->comment o)))
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(ptr (expr->pointer info o))
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(size (if (= ptr 0) (expr->type-size info o)
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4)))
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(if (= ptr -1) info
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(append-text info (wrap-as (case size
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(if (or (= -2 ptr) (= -1 ptr)) info
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(append-text info (wrap-as (case size
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((1) (i386:byte-mem->accu))
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((2) (i386:word-mem->accu))
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((4) (i386:mem->accu))
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@ -976,11 +977,12 @@
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((i-sel ,field ,struct)
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(let* ((info ((expr->accu* info) o))
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(info (append-text info (ast->comment o)))
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(ptr (expr->pointer info o))
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(size (if (= ptr 0) (expr->type-size info o)
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4)))
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(if (= ptr -1) info
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(append-text info (wrap-as (case size
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(if (or (= -2 ptr) (= ptr -1)) info
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(append-text info (wrap-as (case size
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((1) (i386:byte-mem->accu))
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((2) (i386:word-mem->accu))
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((4) (i386:mem->accu))
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@ -1070,10 +1072,13 @@
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(info (append ((expr->accu info) expr))))
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info))
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((add ,a (p-expr (fixed ,value)))
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(let* ((ptr (expr->pointer info a))
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;;(stderr "add ~s\n"(with-output-to-string (lambda () (pretty-print-c99 o))))
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(let* ((ptr (pke "ptr" (expr->pointer info a)))
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(type0 (expr->type info a))
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(struct? (memq (type:type (ast-type->type info type0)) '(struct union)))
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(struct? (pke "struct" (memq (type:type (ast-type->type info type0)) '(struct union))))
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(size (cond ((= ptr 1) (expr->type-size info a))
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((> ptr 1) 4)
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((and struct? (= ptr -2)) 4)
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@ -1081,7 +1086,8 @@
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(else 1)))
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(info ((expr->accu info) a))
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(value (cstring->number value))
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(value (* size value)))
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(value (pke "VALUE" (* size value))))
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(pke "size" size)
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(append-text info (wrap-as (i386:accu+value value)))))
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((add ,a ,b)
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@ -1117,19 +1123,22 @@
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(append-text info (wrap-as (i386:accu+value (- value))))))
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((sub ,a ,b)
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(let* ((ptr (expr->pointer info a))
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(ptr-b (expr->pointer info b))
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;;(stderr "sub ~s\n"(with-output-to-string (lambda () (pretty-print-c99 o))))
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(let* ((ptr (pke "ptr" (expr->pointer info a)))
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(ptr-b (pke "ptr-b" (expr->pointer info b)))
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(type0 (expr->type info a))
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(struct? (memq (type:type (ast-type->type info type0)) '(struct union)))
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(size (cond ((= ptr 1) (expr->type-size info a))
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((> ptr 1) 4)
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((and struct? (= ptr -2)) 4)
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((and struct? (= ptr 2)) 4)
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(else 1))))
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(if (or (= size 1) (= ptr-b 1)) (let ((info ((binop->accu info) a b (i386:accu-base))))
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(if (not (= ptr-b 1)) info
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(append-text info (wrap-as (append (i386:value->base size)
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(i386:accu/base))))))
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(struct? (pke "struct?" (memq (type:type (ast-type->type info type0)) '(struct union))))
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(size (cond ((= ptr 1) (expr->type-size info a))
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((> ptr 1) 4)
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((and struct? (= ptr -2)) 4)
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((and struct? (= ptr 2)) 4)
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(else 1))))
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(pke "size" size)
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(if (or (= size 1) (or (= ptr-b -2) (= ptr-b 1)))
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(let ((info ((binop->accu info) a b (i386:accu-base))))
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(if (and (not (= ptr-b -2)) (not (= ptr-b 1))) info
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(append-text info (wrap-as (append (i386:value->base size)
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(i386:accu/base))))))
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(let* ((info ((expr->accu info) b))
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(info (append-text info (wrap-as (append (i386:value->base size)
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(i386:accu*base)
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@ -1158,8 +1167,8 @@
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((neg ,expr)
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(let ((info ((expr->base info) expr)))
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(append-text info (append (wrap-as (i386:value->accu 0))
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(wrap-as (i386:sub-base))))))
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(append-text info (append (wrap-as (i386:value->accu 0))
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(wrap-as (i386:sub-base))))))
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((eq ,a ,b) ((binop->accu info) a b (append (i386:sub-base) (i386:z->accu))))
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((ge ,a ,b) ((binop->accu info) a b (append (i386:sub-base) (i386:ge?->accu))))
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@ -1225,9 +1234,9 @@
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(ptr-b (expr->pointer info b))
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(size-a (expr->size info a))
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(size-b (expr->size info b))
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;;(foo (stderr "assign ~s\n"(with-output-to-string (lambda () (pretty-print-c99 o)))))
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;;(foo (stderr " size-a: ~a, ptr=~a\n" size-a ptr-a))
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;;(foo (stderr " size-b: ~a, ptr=~a\n" size-b ptr-b))
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;; (foo (stderr "assign ~s\n"(with-output-to-string (lambda () (pretty-print-c99 o)))))
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;; (foo (stderr " size-a: ~a, ptr=~a\n" size-a ptr-a))
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;; (foo (stderr " size-b: ~a, ptr=~a\n" size-b ptr-b))
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(info ((expr->accu info) b))
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(info (if (equal? op "=") info
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(let* ((ptr (expr->pointer info a))
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@ -1246,16 +1255,16 @@
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(info ((expr->accu info) a))
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(info (append-text info (wrap-as (i386:pop-base))))
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(info (append-text info (cond ((equal? op "+=") (wrap-as (i386:accu+base)))
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((equal? op "-=") (wrap-as (i386:accu-base)))
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((equal? op "*=") (wrap-as (i386:accu*base)))
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((equal? op "/=") (wrap-as (i386:accu/base)))
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((equal? op "%=") (wrap-as (i386:accu%base)))
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((equal? op "&=") (wrap-as (i386:accu-and-base)))
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((equal? op "|=") (wrap-as (i386:accu-or-base)))
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((equal? op "^=") (wrap-as (i386:accu-xor-base)))
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((equal? op ">>=") (wrap-as (i386:accu>>base)))
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((equal? op "<<=") (wrap-as (i386:accu<<base)))
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(else (error (format #f "mescc: op ~a not supported: ~a\n" op o)))))))
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((equal? op "-=") (wrap-as (i386:accu-base)))
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((equal? op "*=") (wrap-as (i386:accu*base)))
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((equal? op "/=") (wrap-as (i386:accu/base)))
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((equal? op "%=") (wrap-as (i386:accu%base)))
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((equal? op "&=") (wrap-as (i386:accu-and-base)))
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((equal? op "|=") (wrap-as (i386:accu-or-base)))
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((equal? op "^=") (wrap-as (i386:accu-xor-base)))
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((equal? op ">>=") (wrap-as (i386:accu>>base)))
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((equal? op "<<=") (wrap-as (i386:accu<<base)))
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(else (error (format #f "mescc: op ~a not supported: ~a\n" op o)))))))
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(cond ((not (and (= ptr 1) (= ptr-b 1))) info)
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((equal? op "-=") (append-text info (wrap-as (append (i386:value->base size)
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(i386:accu/base)))))
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@ -1449,6 +1458,9 @@
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(- (expr->number info a) (expr->number info b)))
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((sizeof-type (type-name (decl-spec-list (type-spec ,type))))
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(ast-type->size info type))
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((sizeof-expr (d-sel (ident ,field) (p-expr (ident ,struct))))
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(let ((type (ident->type info struct)))
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(field-size info type field)))
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((sizeof-expr (i-sel (ident ,field) (p-expr (ident ,struct))))
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(let ((type (ident->type info struct)))
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(field-size info type field)))
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@ -1500,7 +1512,8 @@
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((comp-decl (decl-spec-list (type-spec (typename ,type))) (comp-declr-list (comp-declr (ptr-declr (pointer) (array-of (ident ,name) ,count)))))
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(let ((size 4)
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(count (expr->number info count)))
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(list name type (* count size) -1)))
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(list name type (* count size) -2)))
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((comp-decl (decl-spec-list (type-spec ,type)) (comp-declr-list (comp-declr (array-of (ident ,name) ,count))))
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(let ((size (ast-type->size info type))
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(count (expr->number info count)))
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@ -0,0 +1,104 @@
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/* -*-comment-start: "//";comment-end:""-*-
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* Mes --- Maxwell Equations of Software
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* Copyright © 2017 Jan Nieuwenhuizen <janneke@gnu.org>
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*
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* This file is part of Mes.
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*
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* Mes is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* Mes is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "30-test.i"
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#include <mlibc.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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typedef struct file {
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char name[10];
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} file_struct;
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#define STACK_SIZE 2
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struct state {
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int bla;
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file_struct *stack[STACK_SIZE];
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char buf[100];
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file_struct **stack_ptr;
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char buf1[100];
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};
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int
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test ()
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{
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struct state s;
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struct state *ps;
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ps = &s;
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eputs ("0\n");
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s.stack_ptr = s.stack;
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ps->stack_ptr = ps->stack;
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eputs ("ps->stack="); eputs (itoa (ps->stack)); eputs ("\n");
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eputs ("1\n");
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if (ps->stack_ptr >= ps->stack + STACK_SIZE) return 1;
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eputs ("2\n");
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struct file f = {"first.h"};
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#if 0 //__MESC__
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strcpy (f.name, "first.h");
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#endif
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eputs (f.name); eputs ("\n");
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*ps->stack_ptr = &f;
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eputs ("3\n");
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++ps->stack_ptr;
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eputs ("s.stack_ptr -stack ="); eputs (itoa (ps->stack_ptr - ps->stack)); eputs ("\n");
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eputs ("4\n");
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for (file_struct **p = ps->stack; p < ps->stack_ptr; p++)
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{
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eputs ((*p)->name); eputs ("\n");
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}
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eputs ("5\n");
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int i;
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i = ps->stack_ptr - ps->stack + STACK_SIZE;
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eputs ("i="); eputs (itoa (i)); eputs ("\n");
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if (ps->stack_ptr >= ps->stack + STACK_SIZE) return 2;
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eputs ("6\n");
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struct file f2 = {"second.h"};
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#if 0//__MESC__
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strcpy (f2.name, "second.h");
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#endif
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*ps->stack_ptr = &f2;
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eputs ("7\n");
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++ps->stack_ptr;
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eputs ("s.stack_ptr -stack ="); eputs (itoa (ps->stack_ptr - ps->stack)); eputs ("\n");
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for (file_struct **p = ps->stack; p < ps->stack_ptr; p++)
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{
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eputs ((*p)->name); eputs ("\n");
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}
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if (ps->stack_ptr >= ps->stack + STACK_SIZE) return 0;
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struct file f3 = {"third.h"};
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*ps->stack_ptr = &f3;
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++ps->stack_ptr;
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return 3;
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}
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