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-rw-r--r--assembly.lisp92
-rw-r--r--cl-forth.lisp38
-rw-r--r--test/tests.lisp9
3 files changed, 99 insertions, 40 deletions
diff --git a/assembly.lisp b/assembly.lisp
index 9cf7fca..fe07654 100644
--- a/assembly.lisp
+++ b/assembly.lisp
@@ -149,7 +149,10 @@
,(cons 'list
(c-stack->string (car forms))))))
(:string `((defop-format ,out-stream ,indent
- ,(normalize-op-list forms)))))))
+ ,(normalize-op-list forms))))
+ (:general `((progn ,@(mapcar (lambda (form) (replace-write out-stream indent
+ form))
+ forms)))))))
(defun expand-c (out-stream indent body)
(mapcan #'(lambda (group) (expand-c-group group out-stream :indent indent))
@@ -192,20 +195,20 @@
(multiple-value-bind (prev next) (split-stack stack)
(let ((*print-case* :downcase))
(append (iter (for x in (reverse prev))
- (collect (format nil "~a = pop(&stack);" x)))
+ (collect (format nil "~a = pop();" x)))
(iter (for x in next)
(if (and (consp x) (assoc (car x) *c-ops*))
(destructuring-bind (op arg1 arg2 . conds) x
(let ((opstr (cadr (assoc op *c-ops*))))
(if (null conds)
- (collect (format nil "push(&stack, ~a ~a ~a);"
+ (collect (format nil "push(~a ~a ~a);"
arg1 opstr (not-cl arg2)))
(collect (format nil
- "push(&stack, (~a ~a ~a) ? ~a : ~a);"
+ "push((~a ~a ~a) ? ~a : ~a);"
arg1 opstr (not-cl arg2)
(getf conds :ise)
(getf conds :değilse))))))
- (collect (format nil "push(&stack, ~a);" x)))))))))
+ (collect (format nil "push(~a);" x)))))))))
(defun comment-safe-str (str)
"Handle newlines for comment"
@@ -395,10 +398,85 @@
;;; C operations
(defop (push-int a) (:lex nil :targets :c)
- ("push(&stack, ~d);" a))
+ ("push(~d);" a))
;; (defop (push-str a) (:lex nil :targets :c)
;; ("push(&stack, ~d);" a))
(defop dump (:targets :c)
- ("printf(\"%d\\n\", pop(&stack));"))
+ ("printf(\"%d\\n\", pop());"))
+
+(defop (ise label-num) (:targets :c)
+ "rax = pop();"
+ ("if(!rax){ goto et_~a; }" label-num))
+
+(defop (yoksa yap-num ise-num) (:indent 0 :targets :c)
+ (" goto et_~a;" yap-num)
+ ("et_~a:" ise-num))
+
+(defop (yap label-num &optional döngü-num) (:indent 0 :targets :c)
+ (if (null döngü-num)
+ (:write ("et_~a:" label-num))
+ (:write (" goto et_~a;" döngü-num)
+ ("et_~a:" label-num))))
+
+(defop (iken label-num) (:targets :c)
+ "rax = pop();"
+ ("if(!rax){ goto et_~a; }" label-num))
+
+(defop (döngü label-num) (:indent 0 :targets :c)
+ ("et_~a:" label-num))
+
+(defop bel (:targets :c)
+ "push((uintptr_t) bel);")
+
+(defop oku (:targets :c)
+ "push(*((char*) pop()));")
+
+(defop yaz (:targets :c)
+ "rax = pop();"
+ "*((char*) pop()) = rax;")
+
+(defop (syscall num) (:lex nil :targets :c)
+ (iter (with call-regs = #("rdi" "rsi" "rdx" "r10" "r8" "r9"))
+ (initially (:write "rax = pop();"))
+ (for i from (- num 1) downto 0)
+ (:write ("~a = pop();" (aref call-regs i)))
+ (collect (aref call-regs i) into used-regs)
+ (finally (:write ("syscall(rax~{, ~a~});" (reverse used-regs))))))
+
+(defun gen-c-stack (stream)
+ (format stream "~{~a~%~}"
+ '("#include <stdio.h>"
+ "#include <stdint.h>"
+ ""
+ "struct Stack {"
+ " uintptr_t content[1000000];"
+ " int i;"
+ "};"
+ ""
+ "typedef struct Stack Stack;"
+ ""
+ "Stack stack = { .i = 0 };"
+ ""
+ "void push(uintptr_t val){"
+ " stack.content[stack.i] = val;"
+ " stack.i += 1;"
+ "}"
+ ""
+ "uintptr_t pop(){"
+ " stack.i -= 1;"
+ " return stack.content[stack.i];"
+ "}"
+ ""
+ "uintptr_t rax, rbx, rcx, rdi, rsi, rdx, r10, r8, r9;"
+ "char bel[640000];"
+ "")))
+
+(defmacro with-c-fn ((ret name) args out &body body)
+ `(let ((*print-case* :downcase))
+ (format ,out "~a ~a(~{~a ~a~^, ~}){~%" ',ret ',name ',args)
+ ,@body
+ (format ,out "~&}~%")))
+
+
diff --git a/cl-forth.lisp b/cl-forth.lisp
index 66327e5..88019ce 100644
--- a/cl-forth.lisp
+++ b/cl-forth.lisp
@@ -188,35 +188,11 @@
(defmethod write-program ((target (eql :c)) program out &key (mem-cap 640000))
(declare (ignore mem-cap))
- (format out
- "#include <stdio.h>
-
-struct Stack {
- int content[100];
- int i;
-};
-
-typedef struct Stack Stack;
-
-void push(Stack* stack, int val){
- stack->content[stack->i] = val;
- stack->i += 1;
-}
-
-int pop(Stack* stack){
- stack->i -= 1;
- return stack->content[stack->i];
-}
-
-Stack stack;
-int rax, rbx;
-
-int main(void){
- stack.i = 0;
-")
- (iter (for op in-sequence program)
- (write-op target out (car op) (cdr op)))
- (format out " return 0;~%}~%"))
+ (gen-c-stack out)
+ (with-c-fn (:int main) () out
+ (iter (for op in-sequence program)
+ (write-op target out (car op) (cdr op)))
+ (format out "~% return 0;~%")))
(defun generate-program (program
&key (path "output.asm") (compile nil)
@@ -238,7 +214,9 @@ int main(void){
:output t :silence silence)))
(defmethod compile-program ((target (eql :c)) path silence)
- (run `("gcc" ,path) :output t :silence silence))
+ (let ((name (first (uiop:split-string path :separator '(#\.)))))
+ (run `("gcc" ,path "-o" ,name)
+ :output t :silence silence)))
diff --git a/test/tests.lisp b/test/tests.lisp
index 2dfb4cb..6096bf4 100644
--- a/test/tests.lisp
+++ b/test/tests.lisp
@@ -34,7 +34,7 @@
(collect (read-line str)))
(t (finish)))))))
-(defun run-test (path)
+(defun run-test (path &key (target :nasm))
"File must begin with 2 comments:
First must be TEST
Second must eval to the expected result"
@@ -49,8 +49,11 @@
(return-from run-test 'not-test))
(let ((expected-output (eval (read-form-comment str))))
(generate-program (parse-tokens (lex-stream str))
- :path (change-file-type abs-path "asm")
- :compile t :silence t)
+ :path (change-file-type abs-path (case target
+ (:nasm "asm")
+ (:c "c")))
+ :compile t :silence t
+ :target target)
(let ((output (run (list (drop-file-type abs-path))
:output :string :silence t)))
(format t "testing ~a... " (pathname-name path))