Merge pull request #3 from The-Continuers/sep

Sep

Author: ashkan-khd

datatypes.rkt

@@ -12,6 +12,7 @@
   (func (name string?) (params func_param*?) (statements list?))
   (if_stmt (cond_exp expression?) (if_sts list?) (else_sts list?))
   (for_stmt (iter string?) (list_exp expression?) (sts list?))
+  (print_stmt (expressions expression*?))
   )
 
 (define-datatype func_param func_param?

interpreter/executor.rkt

@@ -15,6 +15,8 @@
 
 (require "../exceptions.rkt")
 
+(require "../utils.rkt")
+
 (define (extend-params-scopes -scope params param-values)
   (cases eval-func-param* params
     (empty-eval-func-param () -scope)
@@ -43,7 +45,7 @@
   (cases expression* -expressions
     (empty-expr () (list))
     (expressions (expr rest-exprs)
-                 (cons (value-of expr scope-index) (expression*->list-val rest-exprs scope-index))
+                 (append (expression*->list-val rest-exprs scope-index) (list (value-of expr scope-index)))
                  )
     )
   )
@@ -91,18 +93,21 @@
 
 
 (define (apply-for iter iter_list sts scope-index parent_stmt)
-  (begin (display-lines (list iter_list))
-         (cond
-           [(not (pair? iter)) (report-not-pair iter_list parent_stmt)]
-           [(null? iter_list) null]
-           [else (let ([_ (extend-scope-index scope-index iter (car iter_list))])
-                   (let ([first_exec_result (exec-stmts sts scope-index)])
-                     (cond
-                       [(equal? first_exec_result (new-break)) null]
-                       [else (apply-for iter (cdr iter_list) sts scope-index parent_stmt)])
-                     )
-                   )]
-           )))
+  (begin
+    ; (display-lines (list iter_list))
+    (cond
+      [(not (pair? iter_list)) (report-not-pair iter_list parent_stmt)]
+      [(null? iter_list) null]
+      [else (begin
+              (extend-scope-index scope-index iter (car iter_list))
+              ;  (display-lines (list (get-scope-by-index scope-index)))
+              (let ([first_exec_result (exec-stmts sts scope-index)])
+                (cond
+                  [(equal? first_exec_result (new-break)) null]
+                  [else (apply-for iter (cdr iter_list) sts scope-index parent_stmt)])
+                )
+              )]
+      )))
 
 (define (apply-if cond-val if-sts else-sts scope-index parent_stmt)
   (cond
@@ -120,6 +125,11 @@
     (extend-scope-index assign-scope-index var val))
   )
 
+(define (apply-print vals)
+  ; (display-lines (list "printing"))
+  (display-lines vals)
+  )
+
 (define (exec stmt scope-index)
   (cases statement stmt
     (assign (var expr) (apply-assign var (value-of expr scope-index) scope-index))
@@ -144,9 +154,10 @@
     (for_stmt (iter list_exp sts) (apply-for
                                    iter (value-of list_exp scope-index) sts scope-index
                                    stmt))
+    (print_stmt (expressions) (apply-print (expression*->list-val expressions scope-index)))
     )
   )
-;(trace exec value-of)
+
 (define (exec-stmts stmts scope-index)
   (cond
     [(null? stmts) null]
@@ -166,7 +177,10 @@
     (reset-scope)
     (add-scope (init-scope))
     (exec-stmts program 0)
+    (void)
     )
   )
 
+; (trace exec-stmts exec value-of)
+
 (provide (all-defined-out))

passes/lexer.rkt

@@ -1,10 +1,11 @@
 #lang racket
 (require parser-tools/lex
          (prefix-in : parser-tools/lex-sre))
+(require "../utils.rkt")
 
 (define-tokens LITERALS (ID NUMBER))
 
-(define-empty-tokens KWS (DEF GLOBAL PASS BREAK CONTINUE RETURN NONE))
+(define-empty-tokens KWS (DEF GLOBAL PASS BREAK CONTINUE RETURN NONE PRINT))
 (define-empty-tokens OPS (ASSIGN LPAR RPAR PAR COLON PAR_COLON COMMA SEMICOLON))
 (define-empty-tokens LOOP_KWS (FOR IN))
 (define-empty-tokens BOOL_KWS (TRUE FALSE))
@@ -25,9 +26,10 @@
    ("continue" (token-CONTINUE))
    ("return" (token-RETURN))
    ("None" (token-NONE))
+   ("print" (token-PRINT))
    ;OPS
    ("=" (token-ASSIGN))
-   ("():" (token-PAR_COLON))
+   ;  ("():" (token-PAR_COLON))
    ("()" (token-PAR))
    ("(" (token-LPAR))
    (")" (token-RPAR))
@@ -82,10 +84,11 @@
 (define (lex-this prog-string)
   (let ([l (open-input-string prog-string)])
     (begin
-      (display-lines (list prog-string))
-      (lambda () (display-return (python-lexer l))))
-    ))
-
-(define (display-return l) (begin (display-lines (list l)) l ))
+      ; (display-lines (list prog-string))
+      (lambda ()
+        ; (display-return
+        (python-lexer l)
+        ;  )
+        ))))
 
 (provide (all-defined-out))

passes/parser.rkt

@@ -4,6 +4,8 @@
 (require parser-tools/lex
          parser-tools/yacc)
 
+(require "../utils.rkt")
+
 (require "../datatypes.rkt")
 (#%require "../datatypes.rkt")
 
@@ -31,6 +33,8 @@
                  ((PASS) (pass))
                  ((BREAK) (break))
                  ((CONTINUE) (continue))
+                 ((PRINT PAR) (print_stmt (empty-expr)))
+                 ((PRINT LPAR Arguments RPAR) (print_stmt $3))
                  )
     (Compound_stmt ((Function_def) $1)
                    ((If_stmt) $1)
@@ -42,7 +46,7 @@
                  )
     (Global_stmt ((GLOBAL ID) (global $2)))
     (Function_def ((DEF ID LPAR Params RPAR COLON Statements) (func $2 $4 $7))
-                  ((DEF ID PAR_COLON Statements) (func $2 (empty-param) $4))
+                  ((DEF ID PAR COLON Statements) (func $2 (empty-param) $5))
                   )
     (Params ((Param_with_default) (func_params $1 (empty-param)))
             ((Params COMMA Param_with_default) (func_params $3 $1))
@@ -94,7 +98,7 @@
                )
     (Atom ((ID) (ref $1))
           ((TRUE) (atomic_bool_exp true))
-          ((FALSE) (atomic_num_exp false))
+          ((FALSE) (atomic_bool_exp false))
           ((NONE) (atomic_null_exp))
           ((NUMBER) (atomic_num_exp $1))
           ((List) $1)
@@ -108,6 +112,10 @@
    ;    (debug "x.txt")
    ))
 
-(define (parse-scan prog-string) (python-parser (lex-this prog-string)))
+(define (parse-scan prog-string)
+  ;   (display-return
+  (python-parser (lex-this prog-string))
+  ;    )
+  )
 
 (provide (all-defined-out))

tester.rkt

@@ -4,7 +4,4 @@
 
 (define test-1 (string-join (file->lines "test_cases/T4 (General Test) - Students/in4.txt")))
 
-; test-1
-(display-lines (list test-1))
-
-(interpret (string-join (file->lines "test_cases/T4 (General Test) - Students/in4.txt")))
+(interpret test-1)

utils.rkt

@@ -4,4 +4,6 @@
 
 (define (contains l x) (if (member x l) #t #f))
 
+(define (display-return l) (begin (display-lines (list l)) l ))
+
 (provide (all-defined-out))