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-rw-r--r--src/pretty.ml262
1 files changed, 131 insertions, 131 deletions
diff --git a/src/pretty.ml b/src/pretty.ml
index 6144cf3..5e282e3 100644
--- a/src/pretty.ml
+++ b/src/pretty.ml
@@ -1,7 +1,7 @@
(*
- PRETTY PRINTER
- These functions enable the dumping of an AST
- Used for debugging the parser.
+ PRETTY PRINTER
+ These functions enable the dumping of an AST
+ Used for debugging the parser.
*)
@@ -9,152 +9,152 @@ open Parser
open Ast
let token_str = function
- | CLASS -> "class"
- | ELSE -> "else"
- | FALSE -> "false"
- | FOR -> "for"
- | IF -> "if"
- | INT -> "int"
- | NEW -> "new"
- | NULL -> "NULL"
- | PUBLIC -> "public"
- | RETURN -> "return"
- | THIS -> "this"
- | TRUE -> "true"
- | VIRTUAL -> "virtual"
- | VOID -> "void"
- | WHILE -> "while"
- | IDENT(s) -> "'"^s^"'"
- | TIDENT(s) -> "\""^s^"\""
- | ASSIGN -> "="
- | LOR -> "||"
- | LAND -> "&&"
- | EQ -> "=="
- | NE -> "!="
- | LT -> "<"
- | LE -> "<="
- | GT -> ">"
- | GE -> ">="
- | PLUS -> "+"
- | MINUS -> "-"
- | TIMES -> "*"
- | DIV -> "/"
- | MOD -> "%"
- | NOT -> "!"
- | INCR -> "++"
- | DECR -> "--"
- | REF -> "&"
- (* and also : unary dereference, plus, minus *)
- | LPAREN -> "("
- | RPAREN -> ")"
- | RARROW -> "->"
- | DOT -> "."
- (* OTHER SYMBOLZ *)
- | SEMICOLON -> ";"
- | DOUBLECOLON -> "::"
- | LFLOW -> "<<"
- | LBRACE -> "{"
- | RBRACE -> "}"
- | COMMA -> ","
- | COLON -> ":"
- (* DATAZ *)
- | INTVAL(i) -> "#" ^ (string_of_int i)
- | STRVAL(s) -> "`" ^ s ^ "`"
- (* STUPIDITIEZS *)
- | STD_COUT -> "std::cout"
- | INCLUDE_IOSTREAM -> "#include <iostream>"
- | EOF -> "end."
+ | CLASS -> "class"
+ | ELSE -> "else"
+ | FALSE -> "false"
+ | FOR -> "for"
+ | IF -> "if"
+ | INT -> "int"
+ | NEW -> "new"
+ | NULL -> "NULL"
+ | PUBLIC -> "public"
+ | RETURN -> "return"
+ | THIS -> "this"
+ | TRUE -> "true"
+ | VIRTUAL -> "virtual"
+ | VOID -> "void"
+ | WHILE -> "while"
+ | IDENT(s) -> "'"^s^"'"
+ | TIDENT(s) -> "\""^s^"\""
+ | ASSIGN -> "="
+ | LOR -> "||"
+ | LAND -> "&&"
+ | EQ -> "=="
+ | NE -> "!="
+ | LT -> "<"
+ | LE -> "<="
+ | GT -> ">"
+ | GE -> ">="
+ | PLUS -> "+"
+ | MINUS -> "-"
+ | TIMES -> "*"
+ | DIV -> "/"
+ | MOD -> "%"
+ | NOT -> "!"
+ | INCR -> "++"
+ | DECR -> "--"
+ | REF -> "&"
+ (* and also : unary dereference, plus, minus *)
+ | LPAREN -> "("
+ | RPAREN -> ")"
+ | RARROW -> "->"
+ | DOT -> "."
+ (* OTHER SYMBOLZ *)
+ | SEMICOLON -> ";"
+ | DOUBLECOLON -> "::"
+ | LFLOW -> "<<"
+ | LBRACE -> "{"
+ | RBRACE -> "}"
+ | COMMA -> ","
+ | COLON -> ":"
+ (* DATAZ *)
+ | INTVAL(i) -> "#" ^ (string_of_int i)
+ | STRVAL(s) -> "`" ^ s ^ "`"
+ (* STUPIDITIEZS *)
+ | STD_COUT -> "std::cout"
+ | INCLUDE_IOSTREAM -> "#include <iostream>"
+ | EOF -> "end."
let print_tok t =
- print_string ((token_str t) ^ "\n")
+ print_string ((token_str t) ^ "\n")
let csl f l =
- List.fold_left (fun x t -> (if x = "" then "" else x ^ ", ") ^ (f t)) "" l
+ List.fold_left (fun x t -> (if x = "" then "" else x ^ ", ") ^ (f t)) "" l
(* printing AST's *)
let binop_str = function
- | Equal -> "==" | NotEqual -> "!=" | Lt -> "<" | Le -> "<="
- | Gt -> ">" | Ge -> ">=" | Add -> "+" | Sub -> "-" | Mul -> "*" | Div -> "/"
- | Modulo -> "%" | Land -> "&&" | Lor -> "||"
+ | Equal -> "==" | NotEqual -> "!=" | Lt -> "<" | Le -> "<="
+ | Gt -> ">" | Ge -> ">=" | Add -> "+" | Sub -> "-" | Mul -> "*" | Div -> "/"
+ | Modulo -> "%" | Land -> "&&" | Lor -> "||"
let unop_str = function
- | PreIncr -> "++." | PostIncr -> ".++" | PreDecr -> "--." | PostDecr -> ".--"
- | Ref -> "&" | Deref -> "*" | Not -> "!" | Minus -> "-" | Plus -> "+"
+ | PreIncr -> "++." | PostIncr -> ".++" | PreDecr -> "--." | PostDecr -> ".--"
+ | Ref -> "&" | Deref -> "*" | Not -> "!" | Minus -> "-" | Plus -> "+"
let rec var_type_str = function
- | TVoid -> "void" | TInt -> "int" | TIdent(i) -> i
- | TPtr(k) -> "*" ^ (var_type_str k)
- | TRef(k) -> "&" ^ (var_type_str k)
+ | TVoid -> "void" | TInt -> "int" | TIdent(i) -> i
+ | TPtr(k) -> "*" ^ (var_type_str k)
+ | TRef(k) -> "&" ^ (var_type_str k)
let rec expr_string e = match e.e_desc with
- | EInt(i) -> string_of_int i
- | EBool(b) -> (if b then "true" else "false")
- | ENull -> "NULL"
- | EThis -> "this"
- | EIdent(i) -> i
- | EAssign(k, p) -> "(" ^ (expr_string k) ^ " = " ^ (expr_string p) ^ ")"
- | ECall(e, f) -> (expr_string e) ^ "(" ^ (csl expr_string f) ^ ")"
- | EUnary(e, f) -> (unop_str e) ^ (expr_string f)
- | EBinary(e1, o, e2) -> "(" ^ (expr_string e1) ^ " " ^ (binop_str o) ^ " " ^ (expr_string e2) ^ ")"
- | EMember(e1, x) -> "(" ^ (expr_string e1) ^ ")." ^ x
- | ENew(c, arg) -> "new " ^ c ^ " (" ^ (csl expr_string arg) ^ ")"
+ | EInt(i) -> string_of_int i
+ | EBool(b) -> (if b then "true" else "false")
+ | ENull -> "NULL"
+ | EThis -> "this"
+ | EIdent(i) -> i
+ | EAssign(k, p) -> "(" ^ (expr_string k) ^ " = " ^ (expr_string p) ^ ")"
+ | ECall(e, f) -> (expr_string e) ^ "(" ^ (csl expr_string f) ^ ")"
+ | EUnary(e, f) -> (unop_str e) ^ (expr_string f)
+ | EBinary(e1, o, e2) -> "(" ^ (expr_string e1) ^ " " ^ (binop_str o) ^ " " ^ (expr_string e2) ^ ")"
+ | EMember(e1, x) -> "(" ^ (expr_string e1) ^ ")." ^ x
+ | ENew(c, arg) -> "new " ^ c ^ " (" ^ (csl expr_string arg) ^ ")"
let rec print_stmt l x =
- for i = 1 to l do print_string " " done;
- match x.s_desc with
- | SEmpty -> print_string ";\n"
- | SExpr(e) -> print_string ((expr_string e) ^ "\n")
- | SIf(e, a, b) -> print_string ("if " ^ (expr_string e) ^ "\n");
- print_stmt (l+1) a;
- for i = 1 to l do print_string " " done;
- print_string "else\n";
- print_stmt (l+1) b
- | SWhile(e, a) -> print_string ("while " ^ (expr_string e) ^ "\n");
- print_stmt (l+1) a;
- | SFor(i, c, f, s) -> print_string
- ("for " ^
- (List.fold_left (fun x k -> x ^ ", " ^ (expr_string k)) "" i) ^ "; " ^
- (match c with | None -> "" | Some(a) -> expr_string a) ^ "; " ^
- (List.fold_left (fun x k -> x ^ ", " ^ (expr_string k)) "" f) ^ "\n");
- print_stmt (l+1) s
- | SBlock(b) -> print_block l b
- | SReturn(None) -> print_string "return\n"
- | SReturn(Some k) -> print_string ("return " ^ (expr_string k) ^ "\n")
- | SDeclare(t, i) -> print_string (i ^ " : " ^ (var_type_str t) ^ "\n")
- | SDeclareAssignExpr(t, i, e) -> print_string (i ^ " : " ^ (var_type_str t) ^ " = " ^ (expr_string e) ^ "\n")
- | SDeclareAssignConstructor(t, i, c, a) -> print_string
- (i ^ " : " ^ (var_type_str t) ^ " = " ^ c ^ "(" ^
- (csl expr_string a) ^ ")\n")
- | SWriteCout(k) -> print_string ("std::cout" ^
- (List.fold_left (fun x k -> x ^ " << " ^ (match k.se_desc with
- | SEExpr(e) -> expr_string {e_loc = k.se_loc; e_desc = e}
- | SEStr("\n") -> "std::endl" | SEStr(s) -> "`" ^ s ^ "`")) "" k) ^ "\n")
+ for i = 1 to l do print_string " " done;
+ match x.s_desc with
+ | SEmpty -> print_string ";\n"
+ | SExpr(e) -> print_string ((expr_string e) ^ "\n")
+ | SIf(e, a, b) -> print_string ("if " ^ (expr_string e) ^ "\n");
+ print_stmt (l+1) a;
+ for i = 1 to l do print_string " " done;
+ print_string "else\n";
+ print_stmt (l+1) b
+ | SWhile(e, a) -> print_string ("while " ^ (expr_string e) ^ "\n");
+ print_stmt (l+1) a;
+ | SFor(i, c, f, s) -> print_string
+ ("for " ^
+ (List.fold_left (fun x k -> x ^ ", " ^ (expr_string k)) "" i) ^ "; " ^
+ (match c with | None -> "" | Some(a) -> expr_string a) ^ "; " ^
+ (List.fold_left (fun x k -> x ^ ", " ^ (expr_string k)) "" f) ^ "\n");
+ print_stmt (l+1) s
+ | SBlock(b) -> print_block l b
+ | SReturn(None) -> print_string "return\n"
+ | SReturn(Some k) -> print_string ("return " ^ (expr_string k) ^ "\n")
+ | SDeclare(t, i) -> print_string (i ^ " : " ^ (var_type_str t) ^ "\n")
+ | SDeclareAssignExpr(t, i, e) -> print_string (i ^ " : " ^ (var_type_str t) ^ " = " ^ (expr_string e) ^ "\n")
+ | SDeclareAssignConstructor(t, i, c, a) -> print_string
+ (i ^ " : " ^ (var_type_str t) ^ " = " ^ c ^ "(" ^
+ (csl expr_string a) ^ ")\n")
+ | SWriteCout(k) -> print_string ("std::cout" ^
+ (List.fold_left (fun x k -> x ^ " << " ^ (match k.se_desc with
+ | SEExpr(e) -> expr_string {e_loc = k.se_loc; e_desc = e}
+ | SEStr("\n") -> "std::endl" | SEStr(s) -> "`" ^ s ^ "`")) "" k) ^ "\n")
and print_block n b =
- let prefix = String.make n ' ' in
- print_string (prefix ^ "{\n");
- List.iter
- (fun s -> print_stmt (n+1) s)
- b;
- print_string (prefix ^ "}\n")
+ let prefix = String.make n ' ' in
+ print_string (prefix ^ "{\n");
+ List.iter
+ (fun s -> print_stmt (n+1) s)
+ b;
+ print_string (prefix ^ "}\n")
let proto_str p =
- (match p.p_class with | Some c -> c ^ "::" | None -> "") ^ p.p_name
- ^ " (" ^ (csl (fun (t, i) -> i ^ " : " ^ (var_type_str t)) p.p_args)
- ^ ") : " ^ (match p.p_ret_type with | Some k -> var_type_str k | None -> "constructor")
+ (match p.p_class with | Some c -> c ^ "::" | None -> "") ^ p.p_name
+ ^ " (" ^ (csl (fun (t, i) -> i ^ " : " ^ (var_type_str t)) p.p_args)
+ ^ ") : " ^ (match p.p_ret_type with | Some k -> var_type_str k | None -> "constructor")
let print_class_decl c =
- print_string ("class " ^ c.c_name ^
- (match c.c_supers with | None -> "" | Some(s) -> " : " ^
- (List.fold_left (fun x t -> x ^ " public " ^ t) "" s)) ^ " {\n");
- List.iter (function
- | CVar(t, i) -> print_string (" " ^ i ^ " : " ^ (var_type_str t) ^ "\n")
- | CMethod(p, v) -> print_string ((if v then " virtual " else " ") ^ (proto_str p) ^ "\n")
- ) c.c_members;
- print_string "}\n"
+ print_string ("class " ^ c.c_name ^
+ (match c.c_supers with | None -> "" | Some(s) -> " : " ^
+ (List.fold_left (fun x t -> x ^ " public " ^ t) "" s)) ^ " {\n");
+ List.iter (function
+ | CVar(t, i) -> print_string (" " ^ i ^ " : " ^ (var_type_str t) ^ "\n")
+ | CMethod(p, v) -> print_string ((if v then " virtual " else " ") ^ (proto_str p) ^ "\n")
+ ) c.c_members;
+ print_string "}\n"
let print_prog p =
- List.iter (fun k -> match k.d_desc with
- | DGlobal(t, i) -> print_string ("decl " ^ i ^ " : " ^ (var_type_str t) ^ "\n")
- | DFunction(p, b) -> print_string (proto_str p ^"\n");
- print_block 0 b
- | DClass(c) -> print_class_decl c
- ) p
+ List.iter (fun k -> match k.d_desc with
+ | DGlobal(t, i) -> print_string ("decl " ^ i ^ " : " ^ (var_type_str t) ^ "\n")
+ | DFunction(p, b) -> print_string (proto_str p ^"\n");
+ print_block 0 b
+ | DClass(c) -> print_class_decl c
+ ) p
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