mescc: Tinycc support: fixes for foo.bar[baz].
* module/language/c99/compiler.mes (expr->accu, expr->accu*): fixes for foo.bar[baz]. * scaffold/tests/7c-dynarray.c: Test it.
This commit is contained in:
Jan Nieuwenhuizen
parent
95f107282d
commit
dd66f9b5d2
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@ -570,25 +570,20 @@
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(let* ((info ((expr->accu* info) o))
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(type0 (ident->type info struct0))
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(type1 (field-type info type0 field0))
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(struct? (memq (type:type (ast-type->type info type0)) '(struct union)))
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(ptr (field-pointer info type0 field0))
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(size (ast-type->size info type1)))
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(if (= ptr -3) info
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(append-text info (wrap-as (append (if (and (= ptr -2) struct?) (i386:mem->accu) '())
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(if (= size 1) (i386:byte-mem->accu)
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(i386:mem->accu))))))))
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(append-text info (wrap-as (if (= size 1) (i386:byte-mem->accu)
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(i386:mem->accu))))))
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;; foo->bar[baz])
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((array-ref ,index (i-sel (ident ,field0) (p-expr (ident ,struct0))))
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(let* ((info ((expr->accu* info) o))
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(type0 (ident->type info struct0))
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(type1 (field-type info type0 field0))
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(struct? (memq (type:type (ast-type->type info type0)) '(struct union)))
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(ptr (field-pointer info type0 field0))
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(size (ast-type->size info type1)))
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(append-text info (wrap-as (append (if (and (= ptr -2) struct?) (i386:mem->accu) '())
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(if (= size 1) (i386:byte-mem->accu)
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(i386:mem->accu)))))))
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(append-text info (wrap-as (if (= size 1) (i386:byte-mem->accu)
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(i386:mem->accu))))))
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;; <expr>[baz]
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((array-ref ,index ,array)
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@ -817,26 +812,23 @@
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(size (cond ((= ptr 1) (expr->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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(info ((expr->accu info) a))
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(value (cstring->number value))
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(value (* size value)))
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(stderr "ptr=~s\n" ptr)
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(stderr " size=~s\n" size)
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(stderr " struct?=~s\n" struct?)
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(if (not (= size 1))
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(warn (format #f "TODO: pointer arithmetic: ~s\n" o)))
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(append-text info (wrap-as (i386:accu+value value)))))
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((add ,a ,b)
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(let* ((ptr (expr->pointer info a))
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(type0 (p-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->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 (not (= size 1))
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(warn (format #f "TODO: pointer arithmetic: ~s\n" o))))
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((binop->accu info) a b (i386:accu+base)))
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((binop->accu info) a b (i386:accu+base))))
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((sub ,a (p-expr (fixed ,value)))
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(let* ((ptr (expr->pointer info a))
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@ -1148,35 +1140,7 @@
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(type1 (field-type info type0 field0))
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(offset (field-offset info type0 field0))
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(info ((expr->accu info) index))
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(struct? (memq (type:type (ast-type->type info type0)) '(struct union)))
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(ptr (field-pointer info type0 field0))
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(size (if (= ptr -1) (ast-type->size info type1)
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4)))
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(stderr "ACCU* o=~s\n" o)
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(stderr " ptr=~s\n" ptr)
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(stderr " size=~s\n" size)
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(append-text info (append (wrap-as (append (i386:accu->base)
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(if (eq? size 1) '()
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(append
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(if (<= size 4) '()
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(i386:accu+accu))
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(if (<= size 8) '()
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(i386:accu+base))
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(i386:accu-shl 2)))))
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(wrap-as (i386:push-accu))
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((ident-address->accu info) struct0)
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(if (and struct? (= ptr -2)) (wrap-as (i386:mem->accu)) '())
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(wrap-as (append (i386:accu+value offset)
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(i386:pop-base)
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(i386:accu+base)))))))
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;; foo->bar[baz]
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((array-ref ,index (i-sel (ident ,field0) (p-expr (ident ,struct0))))
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(let* ((type0 (ident->type info struct0))
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(type1 (field-type info type0 field0))
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(offset (field-offset info type0 field0))
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(info ((expr->accu info) index))
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(struct? (memq (type:type (ast-type->type info type0)) '(struct union)))
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(struct? (or #t (memq (type:type (ast-type->type info type0)) '(struct union))))
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(ptr (field-pointer info type0 field0))
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(size (if (= ptr -1) (ast-type->size info type1)
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4)))
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@ -1190,9 +1154,36 @@
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(i386:accu-shl 2)))))
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(wrap-as (i386:push-accu))
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((ident->accu info) struct0)
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(if (and struct? (= ptr -2)) (wrap-as (i386:mem->accu)) '())
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(wrap-as (append (i386:accu+value offset)
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(i386:pop-base)
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(if (and struct? (or (= ptr -2)
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(= ptr 2))) (i386:mem->accu) '())
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(i386:accu+base)))))))
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;; foo->bar[baz]
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((array-ref ,index (i-sel (ident ,field0) (p-expr (ident ,struct0))))
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(let* ((type0 (ident->type info struct0))
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(type1 (field-type info type0 field0))
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(offset (field-offset info type0 field0))
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(info ((expr->accu info) index))
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(struct? (or #t (memq (type:type (ast-type->type info type0)) '(struct union))))
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(ptr (field-pointer info type0 field0))
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(size (if (= ptr -1) (ast-type->size info type1)
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4)))
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(append-text info (append (wrap-as (append (i386:accu->base)
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(if (eq? size 1) '()
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(append
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(if (<= size 4) '()
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(i386:accu+accu))
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(if (<= size 8) '()
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(i386:accu+base))
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(i386:accu-shl 2)))))
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(wrap-as (i386:push-accu))
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((ident->accu info) struct0)
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(wrap-as (append (i386:accu+value offset)
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(i386:pop-base)
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(if (and struct? (or (= ptr -2)
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(= ptr 2))) (i386:mem->accu) '())
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(i386:accu+base)))))))
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((array-ref ,index ,array)
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@ -1331,6 +1322,12 @@
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((type-spec ,type) (ast-type->type info type))
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((fixed-type ,type) (ast-type->type info type))
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((typename ,type) (ast-type->type info type))
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((d-sel (idend ,field) ,struct)
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(let ((type0 (ast-type->type info struct)))
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(field-type info type0 field)))
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((i-sel (ident ,field) ,struct)
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(let ((type0 (ast-type->type info struct)))
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(field-type info type0 field)))
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(_ (let ((type (get-type (.types info) o)))
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(if type type
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(begin
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@ -1338,15 +1335,20 @@
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(error "ast-type->type: unsupported: " o)))))))
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(define (ast-type->description info o)
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(let ((type (ast-type->type info o)))
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(type:description type)))
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(let* ((type (ast-type->type info o))
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(xtype (if (type? type) type
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(ast-type->type info type))))
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(type:description xtype)))
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(define (ast-type->size info o)
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(let ((type (ast-type->type info o)))
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(type:size type)))
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(let* ((type (ast-type->type info o))
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(xtype (if (type? type) type
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(ast-type->type info type))))
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(type:size xtype)))
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(define (field-field info struct field)
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(let* ((xtype (ast-type->type info struct))
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(let* ((xtype (if (type? struct) struct
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(ast-type->type info struct)))
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(fields (type:description xtype)))
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(let loop ((fields fields))
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(if (null? fields) (error (format #f "no such field: ~a in ~s" field struct))
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@ -1357,7 +1359,8 @@
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(else (loop (cdr fields)))))))))
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(define (field-offset info struct field)
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(let ((xtype (ast-type->type info struct)))
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(let ((xtype (if (type? struct) struct
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(ast-type->type info struct))))
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(if (eq? (type:type xtype) 'union) 0
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(let ((fields (type:description xtype)))
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(let loop ((fields fields) (offset 0))
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@ -1370,20 +1373,19 @@
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(else (loop (cdr fields) (+ offset (field:size f))))))))))))
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(define (field-pointer info struct field)
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(let ((xtype (ast-type->type info struct)))
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(let ((field (field-field info struct field)))
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(field:pointer field))))
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(field:pointer field)))
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(define (field-size info struct field)
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(let ((xtype (ast-type->type info struct)))
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(let ((xtype (if (type? struct) struct
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(ast-type->type info struct))))
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(if (eq? (type:type xtype) 'union) 0
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(let ((field (field-field info struct field)))
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(field:size field)))))
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(define (field-type info struct field)
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(let ((xtype (ast-type->type info struct)))
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(let ((field (field-field info struct field)))
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(field:type field))))
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(field:type field)))
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(define (ast->type o)
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(pmatch o
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@ -1673,9 +1675,11 @@
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(define (expr->pointer info o)
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(pmatch o
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((p-expr (fixed ,value)) 0)
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((p-expr (ident ,name)) (ident->pointer info name))
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((de-ref ,expr) (1- (expr->pointer info expr)))
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((add ,a ,b) (expr->pointer info a))
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((neg ,a) (expr->pointer info a))
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((sub ,a ,b) (expr->pointer info a))
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((pre-inc ,a) (expr->pointer info a))
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((pre-dec ,a) (expr->pointer info a))
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@ -1727,11 +1731,18 @@
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(field-type info type0 field)))
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((de-ref ,expr) (p-expr->type info expr))
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((ref-to ,expr) (p-expr->type info expr))
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((add ,a ,b)
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(p-expr->type info a))
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((sub ,a ,b)
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(p-expr->type info a))
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(_ (error "p-expr->type: unsupported: " o))))
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((add ,a ,b) (p-expr->type info a))
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((sub ,a ,b) (p-expr->type info a))
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((p-expr (fixed ,value)) "int")
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((neg ,a) (p-expr->type info a))
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((cast (type-name ,type (abs-declr ,pointer)) (p-expr (ident ,name)))
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type)
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((fctn-call (p-expr (ident ,name)))
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(stderr "TODO: p-expr->type: unsupported: ~s\n" o)
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"int")
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(_ ;;(error (format #f "p-expr->type: unsupported: ~s") o)
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(stderr "TODO: p-expr->type: unsupported: ~s\n" o)
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"int")))
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(define (local-var? o) ;; formals < 0, locals > 0
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(positive? (local:id o)))
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@ -20,8 +20,9 @@
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#include "30-test.i"
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#include <mlibc.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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struct foo {
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int *bar;
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@ -81,7 +81,9 @@ test ()
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eputs ("&PATHS="); eputs (itoa (&s->paths)); eputs ("\n");
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eputs ("&FILES="); eputs (itoa (&s->files)); eputs ("\n");
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struct file *fs = s->files[0];
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struct file *fs;
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eputs ("foo\n");
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fs = s->files[0];
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eputs ("add s= "); eputs (itoa (s)); eputs ("\n");
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eputs ("add fs= "); eputs (itoa (fs)); eputs ("\n");
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eputs ("&fs->[0]="); eputs (itoa (fs->name)); eputs ("\n");
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@ -90,7 +92,7 @@ test ()
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eputs ("ps= "); eputs (itoa (s->paths)); eputs ("\n");
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eputs ("*ps "); eputs (*s->paths); eputs ("\n");
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if (strcmp (fs->name, file_name)) return 1;
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if (strcmp (fs->name, file_name)) return 2;
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eputs ("&fs->[0]="); eputs (itoa (fs->name)); eputs ("\n");
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eputs ("fs->name="); eputs (fs->name); eputs ("\n");
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@ -98,5 +100,38 @@ test ()
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eputs ("ps= "); eputs (itoa (s->paths)); eputs ("\n");
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eputs ("*ps "); eputs (*s->paths); eputs ("\n");
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file = malloc (sizeof (struct file) + strlen (file_name));
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file_name = "hallo";
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strcpy (file->name, file_name);
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add (&s->files, &s->file_count, file);
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struct file **pf = s->files;
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fs = pf[0];
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eputs ("\n");
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eputs ("&fs0*= "); eputs (itoa (&pf[0])); eputs ("\n");
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eputs ("fs0*= "); eputs (itoa (fs)); eputs ("\n");
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fs = s->files[0];
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eputs ("fs0*= "); eputs (itoa (fs)); eputs ("\n");
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eputs ("\n");
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pf = s->files;
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fs = pf[1];
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eputs ("&fs1*= "); eputs (itoa (&pf[1])); eputs ("\n");
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eputs ("fs1*= "); eputs (itoa (fs)); eputs ("\n");
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fs = s->files[1];
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eputs ("fs1*= "); eputs (itoa (fs)); eputs ("\n");
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eputs ("\n");
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if (strcmp (fs->name, file_name)) return 3;
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fs = g_s.files[0];
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eputs ("gfs0*= "); eputs (itoa (fs)); eputs ("\n");
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fs = g_s.files[1];
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eputs ("gfs1*= "); eputs (itoa (fs)); eputs ("\n");
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eputs ("\n");
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if (strcmp (fs->name, file_name)) return 3;
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return 0;
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}
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@ -24,9 +24,11 @@
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#include <stdio.h>
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struct foo;
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typedef struct foo foo_struct;
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struct foo {
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struct foo **foo;
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//struct foo **foo;
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foo_struct **foo;
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};
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struct foo g_foo[2];
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