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Lucàs
83 lines
3.3 KiB
OCaml
83 lines
3.3 KiB
OCaml
(* lib/ast/print.ml *)
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open Syntax
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(** [string_of_type t] returns a string representation of the type [t]. *)
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let string_of_type = function
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| IntegerType -> "IntegerType"
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| FloatType -> "FloatType"
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| CharacterType -> "CharacterType"
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| StringType -> "StringType"
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| BooleanType -> "BooleanType"
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| VoidType -> "VoidType"
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(** [string_of_binary_operator op] returns a string representation of the binary operator [op]. *)
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let string_of_binary_operator = function
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| Add -> "Add"
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| Substract -> "Substract"
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| Multiply -> "Multiply"
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| Divide -> "Divide"
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| AmpersandAmpersand -> "AmpersandAmpersand"
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| BarBar -> "BarBar"
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| EqualsEquals -> "EqualsEquals"
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| ExclamationEquals -> "ExclamationEquals"
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| LessThan -> "LessThan"
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| LessThanEquals -> "LessThanEquals"
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| GreaterThan -> "GreaterThan"
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| GreaterThanEquals -> "GreaterThanEquals"
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(** [string_of_unary_operator op] returns a string representation of the unary operator [op]. *)
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let string_of_unary_operator = function Negate -> "Negate" | Not -> "Not"
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(** [string_of_literal l] returns a string representation of the literal [l]. *)
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let string_of_literal = function
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| Integer i -> "Integer(" ^ string_of_int i ^ ")"
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| Float f -> "Float(" ^ string_of_float f ^ ")"
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| Character c -> "Character('" ^ Char.escaped c ^ "')"
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| String s -> "String(\"" ^ s ^ "\")"
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| Boolean b -> "Boolean(" ^ string_of_bool b ^ ")"
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| Null -> "Null"
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(** [string_of_expression e] returns a string representation of the expression [e]. *)
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let rec string_of_expression = function
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| Literal l -> "Literal(" ^ string_of_literal l ^ ")"
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| Identifier i -> "Identifier(\"" ^ i ^ "\")"
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| UnaryExpression (op, e) ->
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"UnaryExpression("
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^ string_of_unary_operator op
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^ ", " ^ string_of_expression e ^ ")"
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| BinaryExpression (op, e1, e2) ->
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"BinaryExpression("
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^ string_of_binary_operator op
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^ ", " ^ string_of_expression e1 ^ ", " ^ string_of_expression e2 ^ ")"
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let string_of_variable_declaration = function
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| VariableDeclaration (t, id, e) ->
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"VariableDeclaration(" ^ string_of_type t ^ ", " ^ string_of_expression id
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^ ", " ^ string_of_expression e ^ ")"
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(** [string_of_statement s] returns a string representation of the statement [s]. *)
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let string_of_statement = function
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| ExpressionStatement e ->
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"ExpressionStatement(" ^ string_of_expression e ^ ")"
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| VariableStatement decls ->
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let decl_strings = List.map string_of_variable_declaration decls in
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"VariableStatement([" ^ String.concat ", " decl_strings ^ "])"
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(** [string_of_source_file f] returns a string representation of the source file [f]. *)
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let string_of_source_file = function
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| SourceFile stmts ->
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let stmt_strings = List.map string_of_statement stmts in
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"SourceFile([" ^ String.concat ", " stmt_strings ^ "])"
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(** The signature of the module [PRINT]. *)
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module type Print = sig
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val string_of_type : Syntax._type -> string
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val string_of_binary_operator : Syntax.binary_operator -> string
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val string_of_unary_operator : Syntax.unary_operator -> string
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val string_of_literal : Syntax.literal -> string
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val string_of_expression : Syntax.expression -> string
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val string_of_variable_declaration : Syntax.variable_declaration -> string
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val string_of_statement : Syntax.statement -> string
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val string_of_source_file : Syntax.source_file -> string
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end |