author | wenzelm |
Tue, 05 Apr 2011 14:30:40 +0200 | |
changeset 42225 | cf48af306290 |
parent 42224 | 578a51fae383 |
child 42242 | 39261908e12f |
permissions | -rw-r--r-- |
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(* Title: Pure/Syntax/syntax.ML |
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Author: Tobias Nipkow and Markus Wenzel, TU Muenchen |
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Standard Isabelle syntax, based on arbitrary context-free grammars |
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(specified by mixfix declarations). |
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*) |
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||
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signature BASIC_SYNTAX = |
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sig |
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include SYN_TRANS0 |
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include MIXFIX0 |
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include PRINTER0 |
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end; |
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signature SYNTAX = |
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sig |
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include LEXICON0 |
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include SYN_EXT0 |
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include TYPE_EXT0 |
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include SYN_TRANS1 |
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include MIXFIX1 |
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include PRINTER0 |
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val read_token: string -> Symbol_Pos.T list * Position.T |
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val parse_token: Proof.context -> Markup.T -> string -> Symbol_Pos.T list * Position.T |
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val parse_sort: Proof.context -> string -> sort |
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val parse_typ: Proof.context -> string -> typ |
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val parse_term: Proof.context -> string -> term |
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val parse_prop: Proof.context -> string -> term |
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val unparse_sort: Proof.context -> sort -> Pretty.T |
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val unparse_classrel: Proof.context -> class list -> Pretty.T |
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val unparse_arity: Proof.context -> arity -> Pretty.T |
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val unparse_typ: Proof.context -> typ -> Pretty.T |
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val unparse_term: Proof.context -> term -> Pretty.T |
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val install_operations: |
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{parse_sort: Proof.context -> string -> sort, |
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parse_typ: Proof.context -> string -> typ, |
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parse_term: Proof.context -> string -> term, |
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parse_prop: Proof.context -> string -> term, |
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unparse_sort: Proof.context -> sort -> Pretty.T, |
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unparse_typ: Proof.context -> typ -> Pretty.T, |
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unparse_term: Proof.context -> term -> Pretty.T} -> unit |
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val print_checks: Proof.context -> unit |
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val add_typ_check: int -> string -> |
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(typ list -> Proof.context -> (typ list * Proof.context) option) -> |
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Context.generic -> Context.generic |
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val add_term_check: int -> string -> |
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(term list -> Proof.context -> (term list * Proof.context) option) -> |
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Context.generic -> Context.generic |
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val add_typ_uncheck: int -> string -> |
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(typ list -> Proof.context -> (typ list * Proof.context) option) -> |
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Context.generic -> Context.generic |
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val add_term_uncheck: int -> string -> |
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(term list -> Proof.context -> (term list * Proof.context) option) -> |
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Context.generic -> Context.generic |
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val check_sort: Proof.context -> sort -> sort |
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val check_typ: Proof.context -> typ -> typ |
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val check_term: Proof.context -> term -> term |
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val check_prop: Proof.context -> term -> term |
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val check_typs: Proof.context -> typ list -> typ list |
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val check_terms: Proof.context -> term list -> term list |
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val check_props: Proof.context -> term list -> term list |
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val uncheck_sort: Proof.context -> sort -> sort |
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val uncheck_arity: Proof.context -> arity -> arity |
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val uncheck_classrel: Proof.context -> class list -> class list |
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val uncheck_typs: Proof.context -> typ list -> typ list |
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val uncheck_terms: Proof.context -> term list -> term list |
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val read_sort: Proof.context -> string -> sort |
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val read_typ: Proof.context -> string -> typ |
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val read_term: Proof.context -> string -> term |
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val read_prop: Proof.context -> string -> term |
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val read_terms: Proof.context -> string list -> term list |
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val read_props: Proof.context -> string list -> term list |
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val read_sort_global: theory -> string -> sort |
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val read_typ_global: theory -> string -> typ |
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val read_term_global: theory -> string -> term |
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val read_prop_global: theory -> string -> term |
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val pretty_term: Proof.context -> term -> Pretty.T |
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val pretty_typ: Proof.context -> typ -> Pretty.T |
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val pretty_sort: Proof.context -> sort -> Pretty.T |
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val pretty_classrel: Proof.context -> class list -> Pretty.T |
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val pretty_arity: Proof.context -> arity -> Pretty.T |
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val string_of_term: Proof.context -> term -> string |
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val string_of_typ: Proof.context -> typ -> string |
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val string_of_sort: Proof.context -> sort -> string |
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val string_of_classrel: Proof.context -> class list -> string |
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val string_of_arity: Proof.context -> arity -> string |
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val is_pretty_global: Proof.context -> bool |
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val set_pretty_global: bool -> Proof.context -> Proof.context |
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val init_pretty_global: theory -> Proof.context |
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val pretty_term_global: theory -> term -> Pretty.T |
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val pretty_typ_global: theory -> typ -> Pretty.T |
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val pretty_sort_global: theory -> sort -> Pretty.T |
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val string_of_term_global: theory -> term -> string |
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val string_of_typ_global: theory -> typ -> string |
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val string_of_sort_global: theory -> sort -> string |
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val pp: Proof.context -> Pretty.pp |
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val pp_global: theory -> Pretty.pp |
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type syntax |
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val eq_syntax: syntax * syntax -> bool |
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val is_keyword: syntax -> string -> bool |
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type mode |
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val mode_default: mode |
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val mode_input: mode |
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val merge_syntaxes: syntax -> syntax -> syntax |
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val basic_syntax: syntax |
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val basic_nonterms: string list |
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val print_gram: syntax -> unit |
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val print_trans: syntax -> unit |
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val print_syntax: syntax -> unit |
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val guess_infix: syntax -> string -> mixfix option |
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val positions_raw: Config.raw |
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val positions: bool Config.T |
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val ambiguity_enabled: bool Config.T |
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val ambiguity_level_raw: Config.raw |
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val ambiguity_level: int Config.T |
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val ambiguity_limit: int Config.T |
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val standard_parse_sort: Proof.context -> type_context -> syntax -> |
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Symbol_Pos.T list * Position.T -> sort |
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val standard_parse_typ: Proof.context -> type_context -> syntax -> |
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((indexname * sort) list -> indexname -> sort) -> Symbol_Pos.T list * Position.T -> typ |
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val standard_parse_term: (term -> term Exn.result) -> |
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Proof.context -> type_context -> term_context -> syntax -> |
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string -> Symbol_Pos.T list * Position.T -> term |
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datatype 'a trrule = |
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Parse_Rule of 'a * 'a | |
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Print_Rule of 'a * 'a | |
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Parse_Print_Rule of 'a * 'a |
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val map_trrule: ('a -> 'b) -> 'a trrule -> 'b trrule |
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val is_const: syntax -> string -> bool |
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val read_rule_pattern: Proof.context -> type_context -> syntax -> string * string -> Ast.ast |
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val standard_unparse_sort: {extern_class: string -> xstring} -> |
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Proof.context -> syntax -> sort -> Pretty.T |
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val standard_unparse_typ: {extern_class: string -> xstring, extern_type: string -> xstring} -> |
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Proof.context -> syntax -> typ -> Pretty.T |
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val standard_unparse_term: {structs: string list, fixes: string list} -> |
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{extern_class: string -> xstring, extern_type: string -> xstring, |
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extern_const: string -> xstring} -> Proof.context -> syntax -> bool -> term -> Pretty.T |
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val update_trfuns: |
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(string * ((Ast.ast list -> Ast.ast) * stamp)) list * |
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(string * ((term list -> term) * stamp)) list * |
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(string * ((bool -> typ -> term list -> term) * stamp)) list * |
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(string * ((Ast.ast list -> Ast.ast) * stamp)) list -> syntax -> syntax |
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val update_advanced_trfuns: |
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(string * ((Proof.context -> Ast.ast list -> Ast.ast) * stamp)) list * |
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(string * ((Proof.context -> term list -> term) * stamp)) list * |
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(string * ((Proof.context -> bool -> typ -> term list -> term) * stamp)) list * |
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(string * ((Proof.context -> Ast.ast list -> Ast.ast) * stamp)) list -> syntax -> syntax |
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val extend_tokentrfuns: (string * string * (Proof.context -> string -> Pretty.T)) list -> |
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syntax -> syntax |
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val update_type_gram: bool -> mode -> (string * typ * mixfix) list -> syntax -> syntax |
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val update_const_gram: bool -> (string -> bool) -> |
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mode -> (string * typ * mixfix) list -> syntax -> syntax |
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val update_trrules: Ast.ast trrule list -> syntax -> syntax |
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val remove_trrules: Ast.ast trrule list -> syntax -> syntax |
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end; |
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structure Syntax: SYNTAX = |
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struct |
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(** inner syntax operations **) |
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(* read token -- with optional YXML encoding of position *) |
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fun read_token str = |
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let |
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val tree = YXML.parse str handle Fail msg => error msg; |
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val text = XML.content_of [tree]; |
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val pos = |
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(case tree of |
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XML.Elem ((name, props), _) => |
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if name = Markup.tokenN then Position.of_properties props |
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else Position.none |
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| XML.Text _ => Position.none); |
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in (Symbol_Pos.explode (text, pos), pos) end; |
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(* (un)parsing *) |
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fun parse_token ctxt markup str = |
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let |
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val (syms, pos) = read_token str; |
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val _ = Context_Position.report ctxt pos markup; |
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in (syms, pos) end; |
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local |
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type operations = |
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{parse_sort: Proof.context -> string -> sort, |
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parse_typ: Proof.context -> string -> typ, |
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parse_term: Proof.context -> string -> term, |
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parse_prop: Proof.context -> string -> term, |
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unparse_sort: Proof.context -> sort -> Pretty.T, |
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unparse_typ: Proof.context -> typ -> Pretty.T, |
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unparse_term: Proof.context -> term -> Pretty.T}; |
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val operations: operations Single_Assignment.var = Single_Assignment.var "Syntax.operations"; |
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fun operation which ctxt x = |
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(case Single_Assignment.peek operations of |
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NONE => raise Fail "Inner syntax operations not installed" |
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| SOME ops => which ops ctxt x); |
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|
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in |
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val parse_sort = operation #parse_sort; |
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val parse_typ = operation #parse_typ; |
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val parse_term = operation #parse_term; |
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val parse_prop = operation #parse_prop; |
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val unparse_sort = operation #unparse_sort; |
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val unparse_typ = operation #unparse_typ; |
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val unparse_term = operation #unparse_term; |
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fun install_operations ops = Single_Assignment.assign operations ops; |
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end; |
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(* context-sensitive (un)checking *) |
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local |
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type key = int * bool; |
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type 'a check = 'a list -> Proof.context -> ('a list * Proof.context) option; |
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|
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structure Checks = Generic_Data |
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( |
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type T = |
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((key * ((string * typ check) * stamp) list) list * |
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(key * ((string * term check) * stamp) list) list); |
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val empty = ([], []); |
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val extend = I; |
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fun merge ((typ_checks1, term_checks1), (typ_checks2, term_checks2)) : T = |
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(AList.join (op =) (K (Library.merge (eq_snd (op =)))) (typ_checks1, typ_checks2), |
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AList.join (op =) (K (Library.merge (eq_snd (op =)))) (term_checks1, term_checks2)); |
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); |
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fun gen_add which (key: key) name f = |
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Checks.map (which (AList.map_default op = (key, []) (cons ((name, f), stamp ())))); |
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|
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fun check_stage fs = perhaps_loop (perhaps_apply (map uncurry fs)); |
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|
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fun gen_check which uncheck ctxt0 xs0 = |
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let |
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val funs = which (Checks.get (Context.Proof ctxt0)) |
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|> map_filter (fn ((i, u), fs) => if uncheck = u then SOME (i, map (snd o fst) fs) else NONE) |
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|> Library.sort (int_ord o pairself fst) |> map snd |
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|> not uncheck ? map rev; |
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val check_all = perhaps_apply (map check_stage funs); |
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in #1 (perhaps check_all (xs0, ctxt0)) end; |
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|
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fun map_sort f S = |
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(case f (TFree ("", S)) of |
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TFree ("", S') => S' |
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| _ => raise TYPE ("map_sort", [TFree ("", S)], [])); |
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|
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in |
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|
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fun print_checks ctxt = |
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let |
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fun split_checks checks = |
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List.partition (fn ((_, un), _) => not un) checks |
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|> pairself (map (fn ((i, _), fs) => (i, map (fst o fst) fs)) |
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#> sort (int_ord o pairself fst)); |
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fun pretty_checks kind checks = |
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checks |> map (fn (i, names) => Pretty.block |
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[Pretty.str (kind ^ " (stage " ^ signed_string_of_int i ^ "):"), |
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Pretty.brk 1, Pretty.strs names]); |
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|
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val (typs, terms) = Checks.get (Context.Proof ctxt); |
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val (typ_checks, typ_unchecks) = split_checks typs; |
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val (term_checks, term_unchecks) = split_checks terms; |
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in |
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pretty_checks "typ_checks" typ_checks @ |
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pretty_checks "term_checks" term_checks @ |
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pretty_checks "typ_unchecks" typ_unchecks @ |
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pretty_checks "term_unchecks" term_unchecks |
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end |> Pretty.chunks |> Pretty.writeln; |
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|
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fun add_typ_check stage = gen_add apfst (stage, false); |
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fun add_term_check stage = gen_add apsnd (stage, false); |
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fun add_typ_uncheck stage = gen_add apfst (stage, true); |
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fun add_term_uncheck stage = gen_add apsnd (stage, true); |
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|
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val check_typs = gen_check fst false; |
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val check_terms = gen_check snd false; |
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fun check_props ctxt = map (Type.constraint propT) #> check_terms ctxt; |
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|
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val check_typ = singleton o check_typs; |
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val check_term = singleton o check_terms; |
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val check_prop = singleton o check_props; |
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val check_sort = map_sort o check_typ; |
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|
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val uncheck_typs = gen_check fst true; |
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val uncheck_terms = gen_check snd true; |
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val uncheck_sort = map_sort o singleton o uncheck_typs; |
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|
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end; |
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|
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(* derived operations for classrel and arity *) |
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|
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val uncheck_classrel = map o singleton o uncheck_sort; |
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|
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fun unparse_classrel ctxt cs = Pretty.block (flat |
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(separate [Pretty.str " <", Pretty.brk 1] (map (single o unparse_sort ctxt o single) cs))); |
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|
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fun uncheck_arity ctxt (a, Ss, S) = |
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let |
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val T = Type (a, replicate (length Ss) dummyT); |
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val a' = |
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(case singleton (uncheck_typs ctxt) T of |
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312 |
Type (a', _) => a' |
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313 |
| T => raise TYPE ("uncheck_arity", [T], [])); |
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|
314 |
val Ss' = map (uncheck_sort ctxt) Ss; |
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|
315 |
val S' = uncheck_sort ctxt S; |
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|
316 |
in (a', Ss', S') end; |
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|
317 |
|
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|
318 |
fun unparse_arity ctxt (a, Ss, S) = |
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|
319 |
let |
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|
320 |
val prtT = unparse_typ ctxt (Type (a, [])); |
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|
321 |
val dom = |
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|
322 |
if null Ss then [] |
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|
323 |
else [Pretty.list "(" ")" (map (unparse_sort ctxt) Ss), Pretty.brk 1]; |
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|
324 |
in Pretty.block ([prtT, Pretty.str " ::", Pretty.brk 1] @ dom @ [unparse_sort ctxt S]) end; |
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|
325 |
|
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changeset
|
326 |
|
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changeset
|
327 |
(* read = parse + check *) |
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changeset
|
328 |
|
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changeset
|
329 |
fun read_sort ctxt = parse_sort ctxt #> check_sort ctxt; |
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changeset
|
330 |
fun read_typ ctxt = parse_typ ctxt #> singleton (check_typs ctxt); |
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changeset
|
331 |
|
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changeset
|
332 |
fun read_terms ctxt = map (parse_term ctxt) #> check_terms ctxt; |
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changeset
|
333 |
fun read_props ctxt = map (parse_prop ctxt) #> check_props ctxt; |
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changeset
|
334 |
|
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changeset
|
335 |
val read_term = singleton o read_terms; |
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|
336 |
val read_prop = singleton o read_props; |
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changeset
|
337 |
|
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changeset
|
338 |
val read_sort_global = read_sort o ProofContext.init_global; |
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changeset
|
339 |
val read_typ_global = read_typ o ProofContext.init_global; |
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changeset
|
340 |
val read_term_global = read_term o ProofContext.init_global; |
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changeset
|
341 |
val read_prop_global = read_prop o ProofContext.init_global; |
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changeset
|
342 |
|
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changeset
|
343 |
|
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changeset
|
344 |
(* pretty = uncheck + unparse *) |
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changeset
|
345 |
|
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changeset
|
346 |
fun pretty_term ctxt = singleton (uncheck_terms ctxt) #> unparse_term ctxt; |
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changeset
|
347 |
fun pretty_typ ctxt = singleton (uncheck_typs ctxt) #> unparse_typ ctxt; |
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changeset
|
348 |
fun pretty_sort ctxt = uncheck_sort ctxt #> unparse_sort ctxt; |
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|
349 |
fun pretty_classrel ctxt = uncheck_classrel ctxt #> unparse_classrel ctxt; |
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|
350 |
fun pretty_arity ctxt = uncheck_arity ctxt #> unparse_arity ctxt; |
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changeset
|
351 |
|
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changeset
|
352 |
val string_of_term = Pretty.string_of oo pretty_term; |
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changeset
|
353 |
val string_of_typ = Pretty.string_of oo pretty_typ; |
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changeset
|
354 |
val string_of_sort = Pretty.string_of oo pretty_sort; |
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changeset
|
355 |
val string_of_classrel = Pretty.string_of oo pretty_classrel; |
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changeset
|
356 |
val string_of_arity = Pretty.string_of oo pretty_arity; |
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changeset
|
357 |
|
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changeset
|
358 |
|
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changeset
|
359 |
(* global pretty printing *) |
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changeset
|
360 |
|
39508
dfacdb01e1ec
simplified some internal flags using Config.T instead of full-blown Proof_Data;
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changeset
|
361 |
val pretty_global = Config.bool (Config.declare "Syntax.pretty_global" (K (Config.Bool false))); |
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|
362 |
fun is_pretty_global ctxt = Config.get ctxt pretty_global; |
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simplified some internal flags using Config.T instead of full-blown Proof_Data;
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|
363 |
val set_pretty_global = Config.put pretty_global; |
39135
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|
364 |
val init_pretty_global = set_pretty_global true o ProofContext.init_global; |
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changeset
|
365 |
|
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changeset
|
366 |
val pretty_term_global = pretty_term o init_pretty_global; |
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|
367 |
val pretty_typ_global = pretty_typ o init_pretty_global; |
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|
368 |
val pretty_sort_global = pretty_sort o init_pretty_global; |
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changeset
|
369 |
|
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changeset
|
370 |
val string_of_term_global = string_of_term o init_pretty_global; |
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changeset
|
371 |
val string_of_typ_global = string_of_typ o init_pretty_global; |
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changeset
|
372 |
val string_of_sort_global = string_of_sort o init_pretty_global; |
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changeset
|
373 |
|
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changeset
|
374 |
|
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changeset
|
375 |
(* pp operations -- deferred evaluation *) |
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changeset
|
376 |
|
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changeset
|
377 |
fun pp ctxt = Pretty.pp |
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changeset
|
378 |
(fn x => pretty_term ctxt x, |
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changeset
|
379 |
fn x => pretty_typ ctxt x, |
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changeset
|
380 |
fn x => pretty_sort ctxt x, |
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changeset
|
381 |
fn x => pretty_classrel ctxt x, |
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changeset
|
382 |
fn x => pretty_arity ctxt x); |
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changeset
|
383 |
|
6f5f64542405
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diff
changeset
|
384 |
fun pp_global thy = Pretty.pp |
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changeset
|
385 |
(fn x => pretty_term_global thy x, |
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changeset
|
386 |
fn x => pretty_typ_global thy x, |
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changeset
|
387 |
fn x => pretty_sort_global thy x, |
6f5f64542405
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changeset
|
388 |
fn x => pretty_classrel (init_pretty_global thy) x, |
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changeset
|
389 |
fn x => pretty_arity (init_pretty_global thy) x); |
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changeset
|
390 |
|
6f5f64542405
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diff
changeset
|
391 |
|
6f5f64542405
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changeset
|
392 |
|
237
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|
393 |
(** tables of translation functions **) |
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|
394 |
|
5692 | 395 |
(* parse (ast) translations *) |
396 |
||
17412 | 397 |
fun lookup_tr tab c = Option.map fst (Symtab.lookup tab c); |
237
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changeset
|
398 |
|
23655
d2d1138e0ddc
replaced exception TableFun/GraphFun.DUPS by TableFun/GraphFun.DUP;
wenzelm
parents:
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diff
changeset
|
399 |
fun err_dup_trfun name c = |
d2d1138e0ddc
replaced exception TableFun/GraphFun.DUPS by TableFun/GraphFun.DUP;
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parents:
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diff
changeset
|
400 |
error ("More than one " ^ name ^ " for " ^ quote c); |
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|
401 |
|
37216
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
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diff
changeset
|
402 |
fun remove_trtab trfuns = fold (Symtab.remove Syn_Ext.eq_trfun) trfuns; |
21536
f119c730f509
extend_trtab: allow identical trfuns to be overwritten;
wenzelm
parents:
20784
diff
changeset
|
403 |
|
29004 | 404 |
fun update_trtab name trfuns tab = fold Symtab.update_new trfuns (remove_trtab trfuns tab) |
23655
d2d1138e0ddc
replaced exception TableFun/GraphFun.DUPS by TableFun/GraphFun.DUP;
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parents:
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diff
changeset
|
405 |
handle Symtab.DUP c => err_dup_trfun name c; |
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|
406 |
|
37216
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
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diff
changeset
|
407 |
fun merge_trtabs name tab1 tab2 = Symtab.merge Syn_Ext.eq_trfun (tab1, tab2) |
23655
d2d1138e0ddc
replaced exception TableFun/GraphFun.DUPS by TableFun/GraphFun.DUP;
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parents:
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diff
changeset
|
408 |
handle Symtab.DUP c => err_dup_trfun name c; |
237
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|
409 |
|
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diff
changeset
|
410 |
|
5692 | 411 |
(* print (ast) translations *) |
412 |
||
18931 | 413 |
fun lookup_tr' tab c = map fst (Symtab.lookup_list tab c); |
37216
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
37146
diff
changeset
|
414 |
fun update_tr'tab trfuns = fold_rev (Symtab.update_list Syn_Ext.eq_trfun) trfuns; |
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
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diff
changeset
|
415 |
fun remove_tr'tab trfuns = fold (Symtab.remove_list Syn_Ext.eq_trfun) trfuns; |
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
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diff
changeset
|
416 |
fun merge_tr'tabs tab1 tab2 = Symtab.merge_list Syn_Ext.eq_trfun (tab1, tab2); |
5692 | 417 |
|
418 |
||
237
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changeset
|
419 |
|
2700 | 420 |
(** tables of token translation functions **) |
421 |
||
422 |
fun lookup_tokentr tabs modes = |
|
19482
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19375
diff
changeset
|
423 |
let val trs = distinct (eq_fst (op =)) (maps (these o AList.lookup (op =) tabs) (modes @ [""])) |
17314 | 424 |
in fn c => Option.map fst (AList.lookup (op =) trs c) end; |
2700 | 425 |
|
426 |
fun merge_tokentrtabs tabs1 tabs2 = |
|
427 |
let |
|
428 |
fun eq_tr ((c1, (_, s1)), (c2, (_, s2))) = c1 = c2 andalso s1 = s2; |
|
429 |
||
4703 | 430 |
fun name (s, _) = implode (tl (Symbol.explode s)); |
2706 | 431 |
|
2700 | 432 |
fun merge mode = |
433 |
let |
|
17213 | 434 |
val trs1 = these (AList.lookup (op =) tabs1 mode); |
435 |
val trs2 = these (AList.lookup (op =) tabs2 mode); |
|
19046
bc5c6c9b114e
removed distinct, renamed gen_distinct to distinct;
wenzelm
parents:
18977
diff
changeset
|
436 |
val trs = distinct eq_tr (trs1 @ trs2); |
2700 | 437 |
in |
18964 | 438 |
(case duplicates (eq_fst (op =)) trs of |
2700 | 439 |
[] => (mode, trs) |
440 |
| dups => error ("More than one token translation function in mode " ^ |
|
2706 | 441 |
quote mode ^ " for " ^ commas_quote (map name dups))) |
2700 | 442 |
end; |
19046
bc5c6c9b114e
removed distinct, renamed gen_distinct to distinct;
wenzelm
parents:
18977
diff
changeset
|
443 |
in map merge (distinct (op =) (map fst (tabs1 @ tabs2))) end; |
2700 | 444 |
|
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
445 |
fun extend_tokentrtab tokentrs tabs = |
2700 | 446 |
let |
17213 | 447 |
fun ins_tokentr (m, c, f) = |
448 |
AList.default (op =) (m, []) |
|
449 |
#> AList.map_entry (op =) m (cons ("_" ^ c, (f, stamp ()))); |
|
15759 | 450 |
in merge_tokentrtabs tabs (fold ins_tokentr tokentrs []) end; |
2700 | 451 |
|
452 |
||
453 |
||
237
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diff
changeset
|
454 |
(** tables of translation rules **) |
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diff
changeset
|
455 |
|
5692 | 456 |
type ruletab = (Ast.ast * Ast.ast) list Symtab.table; |
237
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diff
changeset
|
457 |
|
19482
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19375
diff
changeset
|
458 |
fun dest_ruletab tab = maps snd (Symtab.dest tab); |
237
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diff
changeset
|
459 |
|
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
460 |
|
25394
db25c98f32e1
syntax operations: turned extend'' into update'' (absorb duplicates);
wenzelm
parents:
25387
diff
changeset
|
461 |
(* empty, update, merge ruletabs *) |
237
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
462 |
|
25394
db25c98f32e1
syntax operations: turned extend'' into update'' (absorb duplicates);
wenzelm
parents:
25387
diff
changeset
|
463 |
val update_ruletab = fold_rev (fn r => Symtab.update_list (op =) (Ast.head_of_rule r, r)); |
18931 | 464 |
val remove_ruletab = fold (fn r => Symtab.remove_list (op =) (Ast.head_of_rule r, r)); |
465 |
fun merge_ruletabs tab1 tab2 = Symtab.merge_list (op =) (tab1, tab2); |
|
0 | 466 |
|
467 |
||
468 |
||
469 |
(** datatype syntax **) |
|
470 |
||
237
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
471 |
datatype syntax = |
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
472 |
Syntax of { |
37216
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
37146
diff
changeset
|
473 |
input: Syn_Ext.xprod list, |
4703 | 474 |
lexicon: Scan.lexicon, |
5692 | 475 |
gram: Parser.gram, |
18 | 476 |
consts: string list, |
2913 | 477 |
prmodes: string list, |
21772 | 478 |
parse_ast_trtab: ((Proof.context -> Ast.ast list -> Ast.ast) * stamp) Symtab.table, |
237
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
479 |
parse_ruletab: ruletab, |
21772 | 480 |
parse_trtab: ((Proof.context -> term list -> term) * stamp) Symtab.table, |
481 |
print_trtab: ((Proof.context -> bool -> typ -> term list -> term) * stamp) list Symtab.table, |
|
237
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
482 |
print_ruletab: ruletab, |
21772 | 483 |
print_ast_trtab: ((Proof.context -> Ast.ast list -> Ast.ast) * stamp) list Symtab.table, |
26704
51ee753cc2e3
token translations: context dependent, result Pretty.T;
wenzelm
parents:
26684
diff
changeset
|
484 |
tokentrtab: (string * (string * ((Proof.context -> string -> Pretty.T) * stamp)) list) list, |
17079 | 485 |
prtabs: Printer.prtabs} * stamp; |
0 | 486 |
|
17079 | 487 |
fun eq_syntax (Syntax (_, s1), Syntax (_, s2)) = s1 = s2; |
488 |
||
489 |
fun is_keyword (Syntax ({lexicon, ...}, _)) = Scan.is_literal lexicon o Symbol.explode; |
|
14687 | 490 |
|
20784 | 491 |
type mode = string * bool; |
24970 | 492 |
val mode_default = ("", true); |
37146
f652333bbf8e
renamed structure PrintMode to Print_Mode, keeping the old name as legacy alias for some time;
wenzelm
parents:
36739
diff
changeset
|
493 |
val mode_input = (Print_Mode.input, true); |
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
494 |
|
18 | 495 |
|
237
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
496 |
(* empty_syntax *) |
18 | 497 |
|
17079 | 498 |
val empty_syntax = Syntax |
499 |
({input = [], |
|
4703 | 500 |
lexicon = Scan.empty_lexicon, |
5692 | 501 |
gram = Parser.empty_gram, |
167 | 502 |
consts = [], |
2913 | 503 |
prmodes = [], |
5692 | 504 |
parse_ast_trtab = Symtab.empty, |
505 |
parse_ruletab = Symtab.empty, |
|
506 |
parse_trtab = Symtab.empty, |
|
507 |
print_trtab = Symtab.empty, |
|
508 |
print_ruletab = Symtab.empty, |
|
509 |
print_ast_trtab = Symtab.empty, |
|
2700 | 510 |
tokentrtab = [], |
17079 | 511 |
prtabs = Printer.empty_prtabs}, stamp ()); |
167 | 512 |
|
513 |
||
25394
db25c98f32e1
syntax operations: turned extend'' into update'' (absorb duplicates);
wenzelm
parents:
25387
diff
changeset
|
514 |
(* update_syntax *) |
167 | 515 |
|
25394
db25c98f32e1
syntax operations: turned extend'' into update'' (absorb duplicates);
wenzelm
parents:
25387
diff
changeset
|
516 |
fun update_syntax (mode, inout) syn_ext (Syntax (tabs, _)) = |
167 | 517 |
let |
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
518 |
val {input, lexicon, gram, consts = consts1, prmodes = prmodes1, |
2366 | 519 |
parse_ast_trtab, parse_ruletab, parse_trtab, print_trtab, print_ruletab, |
2700 | 520 |
print_ast_trtab, tokentrtab, prtabs} = tabs; |
37216
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
37146
diff
changeset
|
521 |
val Syn_Ext.Syn_Ext {xprods, consts = consts2, prmodes = prmodes2, |
2913 | 522 |
parse_ast_translation, parse_rules, parse_translation, print_translation, print_rules, |
2700 | 523 |
print_ast_translation, token_translation} = syn_ext; |
36208
74c5e6e3c1d3
update_syntax: add new productions only once, to allow repeated local notation, for example;
wenzelm
parents:
35668
diff
changeset
|
524 |
val new_xprods = |
74c5e6e3c1d3
update_syntax: add new productions only once, to allow repeated local notation, for example;
wenzelm
parents:
35668
diff
changeset
|
525 |
if inout then distinct (op =) (filter_out (member (op =) input) xprods) else []; |
19546
00d5c7c7ce07
extend/remove_syntax: observe inout flag for translations, too;
wenzelm
parents:
19482
diff
changeset
|
526 |
fun if_inout xs = if inout then xs else []; |
167 | 527 |
in |
17079 | 528 |
Syntax |
36208
74c5e6e3c1d3
update_syntax: add new productions only once, to allow repeated local notation, for example;
wenzelm
parents:
35668
diff
changeset
|
529 |
({input = new_xprods @ input, |
37216
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
37146
diff
changeset
|
530 |
lexicon = fold Scan.extend_lexicon (Syn_Ext.delims_of new_xprods) lexicon, |
37684 | 531 |
gram = Parser.extend_gram new_xprods gram, |
35429
afa8cf9e63d8
authentic syntax for classes and type constructors;
wenzelm
parents:
35412
diff
changeset
|
532 |
consts = Library.merge (op =) (consts1, filter_out Lexicon.is_marked consts2), |
18921 | 533 |
prmodes = insert (op =) mode (Library.merge (op =) (prmodes1, prmodes2)), |
167 | 534 |
parse_ast_trtab = |
25394
db25c98f32e1
syntax operations: turned extend'' into update'' (absorb duplicates);
wenzelm
parents:
25387
diff
changeset
|
535 |
update_trtab "parse ast translation" (if_inout parse_ast_translation) parse_ast_trtab, |
db25c98f32e1
syntax operations: turned extend'' into update'' (absorb duplicates);
wenzelm
parents:
25387
diff
changeset
|
536 |
parse_ruletab = update_ruletab (if_inout parse_rules) parse_ruletab, |
db25c98f32e1
syntax operations: turned extend'' into update'' (absorb duplicates);
wenzelm
parents:
25387
diff
changeset
|
537 |
parse_trtab = update_trtab "parse translation" (if_inout parse_translation) parse_trtab, |
db25c98f32e1
syntax operations: turned extend'' into update'' (absorb duplicates);
wenzelm
parents:
25387
diff
changeset
|
538 |
print_trtab = update_tr'tab print_translation print_trtab, |
db25c98f32e1
syntax operations: turned extend'' into update'' (absorb duplicates);
wenzelm
parents:
25387
diff
changeset
|
539 |
print_ruletab = update_ruletab print_rules print_ruletab, |
db25c98f32e1
syntax operations: turned extend'' into update'' (absorb duplicates);
wenzelm
parents:
25387
diff
changeset
|
540 |
print_ast_trtab = update_tr'tab print_ast_translation print_ast_trtab, |
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
541 |
tokentrtab = extend_tokentrtab token_translation tokentrtab, |
25394
db25c98f32e1
syntax operations: turned extend'' into update'' (absorb duplicates);
wenzelm
parents:
25387
diff
changeset
|
542 |
prtabs = Printer.update_prtabs mode xprods prtabs}, stamp ()) |
18 | 543 |
end; |
544 |
||
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
545 |
|
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
546 |
(* remove_syntax *) |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
547 |
|
17079 | 548 |
fun remove_syntax (mode, inout) syn_ext (Syntax (tabs, _)) = |
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
549 |
let |
37216
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
37146
diff
changeset
|
550 |
val Syn_Ext.Syn_Ext {xprods, consts = _, prmodes = _, |
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
551 |
parse_ast_translation, parse_rules, parse_translation, print_translation, print_rules, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
552 |
print_ast_translation, token_translation = _} = syn_ext; |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
553 |
val {input, lexicon, gram, consts, prmodes, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
554 |
parse_ast_trtab, parse_ruletab, parse_trtab, print_trtab, print_ruletab, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
555 |
print_ast_trtab, tokentrtab, prtabs} = tabs; |
19300 | 556 |
val input' = if inout then subtract (op =) xprods input else input; |
25394
db25c98f32e1
syntax operations: turned extend'' into update'' (absorb duplicates);
wenzelm
parents:
25387
diff
changeset
|
557 |
val changed = length input <> length input'; |
19546
00d5c7c7ce07
extend/remove_syntax: observe inout flag for translations, too;
wenzelm
parents:
19482
diff
changeset
|
558 |
fun if_inout xs = if inout then xs else []; |
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
559 |
in |
17079 | 560 |
Syntax |
561 |
({input = input', |
|
37216
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
37146
diff
changeset
|
562 |
lexicon = if changed then Scan.make_lexicon (Syn_Ext.delims_of input') else lexicon, |
42217 | 563 |
gram = if changed then Parser.extend_gram input' Parser.empty_gram else gram, |
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
564 |
consts = consts, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
565 |
prmodes = prmodes, |
19546
00d5c7c7ce07
extend/remove_syntax: observe inout flag for translations, too;
wenzelm
parents:
19482
diff
changeset
|
566 |
parse_ast_trtab = remove_trtab (if_inout parse_ast_translation) parse_ast_trtab, |
00d5c7c7ce07
extend/remove_syntax: observe inout flag for translations, too;
wenzelm
parents:
19482
diff
changeset
|
567 |
parse_ruletab = remove_ruletab (if_inout parse_rules) parse_ruletab, |
00d5c7c7ce07
extend/remove_syntax: observe inout flag for translations, too;
wenzelm
parents:
19482
diff
changeset
|
568 |
parse_trtab = remove_trtab (if_inout parse_translation) parse_trtab, |
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
569 |
print_trtab = remove_tr'tab print_translation print_trtab, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
570 |
print_ruletab = remove_ruletab print_rules print_ruletab, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
571 |
print_ast_trtab = remove_tr'tab print_ast_translation print_ast_trtab, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
572 |
tokentrtab = tokentrtab, |
17079 | 573 |
prtabs = Printer.remove_prtabs mode xprods prtabs}, stamp ()) |
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
574 |
end; |
14904
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
575 |
|
18 | 576 |
|
237
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
577 |
(* merge_syntaxes *) |
0 | 578 |
|
17079 | 579 |
fun merge_syntaxes (Syntax (tabs1, _)) (Syntax (tabs2, _)) = |
0 | 580 |
let |
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
581 |
val {input = input1, lexicon = lexicon1, gram = gram1, consts = consts1, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
582 |
prmodes = prmodes1, parse_ast_trtab = parse_ast_trtab1, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
583 |
parse_ruletab = parse_ruletab1, parse_trtab = parse_trtab1, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
584 |
print_trtab = print_trtab1, print_ruletab = print_ruletab1, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
585 |
print_ast_trtab = print_ast_trtab1, tokentrtab = tokentrtab1, prtabs = prtabs1} = tabs1; |
237
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
586 |
|
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
587 |
val {input = input2, lexicon = lexicon2, gram = gram2, consts = consts2, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
588 |
prmodes = prmodes2, parse_ast_trtab = parse_ast_trtab2, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
589 |
parse_ruletab = parse_ruletab2, parse_trtab = parse_trtab2, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
590 |
print_trtab = print_trtab2, print_ruletab = print_ruletab2, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
591 |
print_ast_trtab = print_ast_trtab2, tokentrtab = tokentrtab2, prtabs = prtabs2} = tabs2; |
0 | 592 |
in |
17079 | 593 |
Syntax |
18921 | 594 |
({input = Library.merge (op =) (input1, input2), |
27768 | 595 |
lexicon = Scan.merge_lexicons (lexicon1, lexicon2), |
37684 | 596 |
gram = Parser.merge_gram (gram1, gram2), |
18428 | 597 |
consts = sort_distinct string_ord (consts1 @ consts2), |
18921 | 598 |
prmodes = Library.merge (op =) (prmodes1, prmodes2), |
237
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
599 |
parse_ast_trtab = |
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
600 |
merge_trtabs "parse ast translation" parse_ast_trtab1 parse_ast_trtab2, |
237
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
601 |
parse_ruletab = merge_ruletabs parse_ruletab1 parse_ruletab2, |
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
602 |
parse_trtab = merge_trtabs "parse translation" parse_trtab1 parse_trtab2, |
5692 | 603 |
print_trtab = merge_tr'tabs print_trtab1 print_trtab2, |
237
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
604 |
print_ruletab = merge_ruletabs print_ruletab1 print_ruletab2, |
5692 | 605 |
print_ast_trtab = merge_tr'tabs print_ast_trtab1 print_ast_trtab2, |
2700 | 606 |
tokentrtab = merge_tokentrtabs tokentrtab1 tokentrtab2, |
17079 | 607 |
prtabs = Printer.merge_prtabs prtabs1 prtabs2}, stamp ()) |
0 | 608 |
end; |
609 |
||
610 |
||
18720 | 611 |
(* basic syntax *) |
260 | 612 |
|
35668 | 613 |
val basic_syntax = |
17168 | 614 |
empty_syntax |
37216
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
37146
diff
changeset
|
615 |
|> update_syntax mode_default Type_Ext.type_ext |
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
37146
diff
changeset
|
616 |
|> update_syntax mode_default Syn_Ext.pure_ext; |
260 | 617 |
|
18720 | 618 |
val basic_nonterms = |
37216
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
37146
diff
changeset
|
619 |
(Lexicon.terminals @ [Syn_Ext.logic, "type", "types", "sort", "classes", |
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
37146
diff
changeset
|
620 |
Syn_Ext.args, Syn_Ext.cargs, "pttrn", "pttrns", "idt", "idts", "aprop", |
42204 | 621 |
"asms", Syn_Ext.any, Syn_Ext.sprop, "num_const", "float_const", "index", |
622 |
"struct", "id_position", "longid_position", "type_name", "class_name"]); |
|
18720 | 623 |
|
0 | 624 |
|
4887 | 625 |
|
15759 | 626 |
(** print syntax **) |
627 |
||
628 |
local |
|
0 | 629 |
|
260 | 630 |
fun pretty_strs_qs name strs = |
28840 | 631 |
Pretty.strs (name :: map quote (sort_strings strs)); |
0 | 632 |
|
17079 | 633 |
fun pretty_gram (Syntax (tabs, _)) = |
0 | 634 |
let |
32784 | 635 |
val {lexicon, prmodes, gram, ...} = tabs; |
28375 | 636 |
val prmodes' = sort_strings (filter_out (fn s => s = "") prmodes); |
0 | 637 |
in |
8720 | 638 |
[pretty_strs_qs "lexicon:" (Scan.dest_lexicon lexicon), |
639 |
Pretty.big_list "prods:" (Parser.pretty_gram gram), |
|
640 |
pretty_strs_qs "print modes:" prmodes'] |
|
0 | 641 |
end; |
642 |
||
17079 | 643 |
fun pretty_trans (Syntax (tabs, _)) = |
0 | 644 |
let |
260 | 645 |
fun pretty_trtab name tab = |
5692 | 646 |
pretty_strs_qs name (Symtab.keys tab); |
0 | 647 |
|
260 | 648 |
fun pretty_ruletab name tab = |
5692 | 649 |
Pretty.big_list name (map Ast.pretty_rule (dest_ruletab tab)); |
0 | 650 |
|
28840 | 651 |
fun pretty_tokentr (mode, trs) = Pretty.strs (quote mode ^ ":" :: map fst trs); |
4703 | 652 |
|
237
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
653 |
val {consts, parse_ast_trtab, parse_ruletab, parse_trtab, print_trtab, |
4703 | 654 |
print_ruletab, print_ast_trtab, tokentrtab, ...} = tabs; |
0 | 655 |
in |
8720 | 656 |
[pretty_strs_qs "consts:" consts, |
657 |
pretty_trtab "parse_ast_translation:" parse_ast_trtab, |
|
658 |
pretty_ruletab "parse_rules:" parse_ruletab, |
|
659 |
pretty_trtab "parse_translation:" parse_trtab, |
|
660 |
pretty_trtab "print_translation:" print_trtab, |
|
661 |
pretty_ruletab "print_rules:" print_ruletab, |
|
662 |
pretty_trtab "print_ast_translation:" print_ast_trtab, |
|
663 |
Pretty.big_list "token_translation:" (map pretty_tokentr tokentrtab)] |
|
0 | 664 |
end; |
665 |
||
15759 | 666 |
in |
0 | 667 |
|
15759 | 668 |
fun print_gram syn = Pretty.writeln (Pretty.chunks (pretty_gram syn)); |
669 |
fun print_trans syn = Pretty.writeln (Pretty.chunks (pretty_trans syn)); |
|
670 |
fun print_syntax syn = Pretty.writeln (Pretty.chunks (pretty_gram syn @ pretty_trans syn)); |
|
0 | 671 |
|
15759 | 672 |
end; |
0 | 673 |
|
674 |
||
26951
030e4a818b39
moved global pretty/string_of functions from Sign to Syntax;
wenzelm
parents:
26704
diff
changeset
|
675 |
(* reconstructing infixes -- educated guessing *) |
030e4a818b39
moved global pretty/string_of functions from Sign to Syntax;
wenzelm
parents:
26704
diff
changeset
|
676 |
|
030e4a818b39
moved global pretty/string_of functions from Sign to Syntax;
wenzelm
parents:
26704
diff
changeset
|
677 |
fun guess_infix (Syntax ({gram, ...}, _)) c = |
030e4a818b39
moved global pretty/string_of functions from Sign to Syntax;
wenzelm
parents:
26704
diff
changeset
|
678 |
(case Parser.guess_infix_lr gram c of |
030e4a818b39
moved global pretty/string_of functions from Sign to Syntax;
wenzelm
parents:
26704
diff
changeset
|
679 |
SOME (s, l, r, j) => SOME |
35130 | 680 |
(if l then Mixfix.Infixl (s, j) |
681 |
else if r then Mixfix.Infixr (s, j) |
|
682 |
else Mixfix.Infix (s, j)) |
|
26951
030e4a818b39
moved global pretty/string_of functions from Sign to Syntax;
wenzelm
parents:
26704
diff
changeset
|
683 |
| NONE => NONE); |
030e4a818b39
moved global pretty/string_of functions from Sign to Syntax;
wenzelm
parents:
26704
diff
changeset
|
684 |
|
030e4a818b39
moved global pretty/string_of functions from Sign to Syntax;
wenzelm
parents:
26704
diff
changeset
|
685 |
|
0 | 686 |
|
42223
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
687 |
(** read **) (* FIXME rename!? *) |
18 | 688 |
|
42223
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
689 |
(* configuration options *) |
260 | 690 |
|
42056
160a630b2c7e
enable inner syntax source positions by default (controlled via configuration option);
wenzelm
parents:
42048
diff
changeset
|
691 |
val positions_raw = Config.declare "syntax_positions" (fn _ => Config.Bool true); |
160a630b2c7e
enable inner syntax source positions by default (controlled via configuration option);
wenzelm
parents:
42048
diff
changeset
|
692 |
val positions = Config.bool positions_raw; |
160a630b2c7e
enable inner syntax source positions by default (controlled via configuration option);
wenzelm
parents:
42048
diff
changeset
|
693 |
|
39126
ee117c5b3b75
configuration options Syntax.ambiguity_enabled (inverse of former Syntax.ambiguity_is_error), Syntax.ambiguity_level (with Isar attribute "syntax_ambiguity_level"), Syntax.ambiguity_limit;
wenzelm
parents:
38831
diff
changeset
|
694 |
val ambiguity_enabled = |
ee117c5b3b75
configuration options Syntax.ambiguity_enabled (inverse of former Syntax.ambiguity_is_error), Syntax.ambiguity_level (with Isar attribute "syntax_ambiguity_level"), Syntax.ambiguity_limit;
wenzelm
parents:
38831
diff
changeset
|
695 |
Config.bool (Config.declare "syntax_ambiguity_enabled" (fn _ => Config.Bool true)); |
ee117c5b3b75
configuration options Syntax.ambiguity_enabled (inverse of former Syntax.ambiguity_is_error), Syntax.ambiguity_level (with Isar attribute "syntax_ambiguity_level"), Syntax.ambiguity_limit;
wenzelm
parents:
38831
diff
changeset
|
696 |
|
39163
4d701c0388c3
more explicit indication of Config.raw options, which are only needed for bootstrapping Pure;
wenzelm
parents:
39137
diff
changeset
|
697 |
val ambiguity_level_raw = Config.declare "syntax_ambiguity_level" (fn _ => Config.Int 1); |
4d701c0388c3
more explicit indication of Config.raw options, which are only needed for bootstrapping Pure;
wenzelm
parents:
39137
diff
changeset
|
698 |
val ambiguity_level = Config.int ambiguity_level_raw; |
39126
ee117c5b3b75
configuration options Syntax.ambiguity_enabled (inverse of former Syntax.ambiguity_is_error), Syntax.ambiguity_level (with Isar attribute "syntax_ambiguity_level"), Syntax.ambiguity_limit;
wenzelm
parents:
38831
diff
changeset
|
699 |
|
ee117c5b3b75
configuration options Syntax.ambiguity_enabled (inverse of former Syntax.ambiguity_is_error), Syntax.ambiguity_level (with Isar attribute "syntax_ambiguity_level"), Syntax.ambiguity_limit;
wenzelm
parents:
38831
diff
changeset
|
700 |
val ambiguity_limit = |
ee117c5b3b75
configuration options Syntax.ambiguity_enabled (inverse of former Syntax.ambiguity_is_error), Syntax.ambiguity_level (with Isar attribute "syntax_ambiguity_level"), Syntax.ambiguity_limit;
wenzelm
parents:
38831
diff
changeset
|
701 |
Config.int (Config.declare "syntax_ambiguity_limit" (fn _ => Config.Int 10)); |
882
b118d1ea0dfd
moved ambiguity_level from sign.ML to Syntax/syntax.ML
clasohm
parents:
865
diff
changeset
|
702 |
|
27786
4525c6f5d753
added read_token -- with optional YXML encoding of position;
wenzelm
parents:
27768
diff
changeset
|
703 |
fun ambiguity_msg pos = "Parse error: ambiguous syntax" ^ Position.str_of pos; |
4525c6f5d753
added read_token -- with optional YXML encoding of position;
wenzelm
parents:
27768
diff
changeset
|
704 |
|
42223
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
705 |
|
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
706 |
(* results *) |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
707 |
|
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
708 |
fun proper_results results = map_filter (fn (y, Exn.Result x) => SOME (y, x) | _ => NONE) results; |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
709 |
fun failed_results results = map_filter (fn (y, Exn.Exn e) => SOME (y, e) | _ => NONE) results; |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
710 |
|
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
711 |
fun report ctxt = List.app (fn (pos, m) => Context_Position.report ctxt pos m); |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
712 |
|
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
713 |
fun report_result ctxt pos results = |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
714 |
(case (proper_results results, failed_results results) of |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
715 |
([], (reports, exn) :: _) => (report ctxt reports; reraise exn) |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
716 |
| ([(reports, x)], _) => (report ctxt reports; x) |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
717 |
| _ => error (ambiguity_msg pos)); |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
718 |
|
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
719 |
|
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
720 |
(* read_asts *) |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
721 |
|
42204 | 722 |
fun read_asts ctxt type_ctxt (Syntax (tabs, _)) raw root (syms, pos) = |
260 | 723 |
let |
14904
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
724 |
val {lexicon, gram, parse_ast_trtab, ...} = tabs; |
42048
afd11ca8e018
support for encoded positions (for id_position, longid_position) as pseudo type-constraints -- still inactive;
wenzelm
parents:
42044
diff
changeset
|
725 |
val toks = Lexicon.tokenize lexicon raw syms; |
38237
8b0383334031
prefer Context_Position.report where a proper context is available -- notably for "inner" entities;
wenzelm
parents:
38229
diff
changeset
|
726 |
val _ = List.app (Lexicon.report_token ctxt) toks; |
27889
c9e8a5bda32b
read_asts: Lexicon.report_token, filter Lexicon.is_proper;
wenzelm
parents:
27822
diff
changeset
|
727 |
|
40959 | 728 |
val pts = Parser.parse ctxt gram root (filter Lexicon.is_proper toks) |
39510
d9f5f01faa1b
Syntax.read_asts error: report token ranges within message -- no side-effect here;
wenzelm
parents:
39508
diff
changeset
|
729 |
handle ERROR msg => |
d9f5f01faa1b
Syntax.read_asts error: report token ranges within message -- no side-effect here;
wenzelm
parents:
39508
diff
changeset
|
730 |
error (msg ^ |
d9f5f01faa1b
Syntax.read_asts error: report token ranges within message -- no side-effect here;
wenzelm
parents:
39508
diff
changeset
|
731 |
implode (map (Markup.markup Markup.report o Lexicon.reported_token_range ctxt) toks)); |
25993
d542486e39e7
added ambiguity_limit (restricts parse trees / terms printed in messages);
wenzelm
parents:
25476
diff
changeset
|
732 |
val len = length pts; |
330
2fda15dd1e0f
changed the way a grammar is generated to allow the new parser to work;
clasohm
parents:
260
diff
changeset
|
733 |
|
39126
ee117c5b3b75
configuration options Syntax.ambiguity_enabled (inverse of former Syntax.ambiguity_is_error), Syntax.ambiguity_level (with Isar attribute "syntax_ambiguity_level"), Syntax.ambiguity_limit;
wenzelm
parents:
38831
diff
changeset
|
734 |
val limit = Config.get ctxt ambiguity_limit; |
42043
2055515c9d3f
clarified Syn_Trans.parsetree_to_ast and Syn_Trans.ast_to_term;
wenzelm
parents:
41711
diff
changeset
|
735 |
val _ = |
2055515c9d3f
clarified Syn_Trans.parsetree_to_ast and Syn_Trans.ast_to_term;
wenzelm
parents:
41711
diff
changeset
|
736 |
if len <= Config.get ctxt ambiguity_level then () |
2055515c9d3f
clarified Syn_Trans.parsetree_to_ast and Syn_Trans.ast_to_term;
wenzelm
parents:
41711
diff
changeset
|
737 |
else if not (Config.get ctxt ambiguity_enabled) then error (ambiguity_msg pos) |
2055515c9d3f
clarified Syn_Trans.parsetree_to_ast and Syn_Trans.ast_to_term;
wenzelm
parents:
41711
diff
changeset
|
738 |
else |
2055515c9d3f
clarified Syn_Trans.parsetree_to_ast and Syn_Trans.ast_to_term;
wenzelm
parents:
41711
diff
changeset
|
739 |
(Context_Position.if_visible ctxt warning (cat_lines |
2055515c9d3f
clarified Syn_Trans.parsetree_to_ast and Syn_Trans.ast_to_term;
wenzelm
parents:
41711
diff
changeset
|
740 |
(("Ambiguous input" ^ Position.str_of pos ^ |
2055515c9d3f
clarified Syn_Trans.parsetree_to_ast and Syn_Trans.ast_to_term;
wenzelm
parents:
41711
diff
changeset
|
741 |
"\nproduces " ^ string_of_int len ^ " parse trees" ^ |
2055515c9d3f
clarified Syn_Trans.parsetree_to_ast and Syn_Trans.ast_to_term;
wenzelm
parents:
41711
diff
changeset
|
742 |
(if len <= limit then "" else " (" ^ string_of_int limit ^ " displayed)") ^ ":") :: |
42205
22f5cc06c419
direct pretty printing of parsetrees -- prevent diagnostic output from crashing due to undeclared entities;
wenzelm
parents:
42204
diff
changeset
|
743 |
map (Pretty.string_of o Parser.pretty_parsetree) (take limit pts)))); |
42056
160a630b2c7e
enable inner syntax source positions by default (controlled via configuration option);
wenzelm
parents:
42048
diff
changeset
|
744 |
|
160a630b2c7e
enable inner syntax source positions by default (controlled via configuration option);
wenzelm
parents:
42048
diff
changeset
|
745 |
val constrain_pos = not raw andalso Config.get ctxt positions; |
42223
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
746 |
val parsetree_to_ast = |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
747 |
Syn_Trans.parsetree_to_ast ctxt type_ctxt constrain_pos (lookup_tr parse_ast_trtab); |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
748 |
in map parsetree_to_ast pts end; |
260 | 749 |
|
750 |
||
42223
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
751 |
(* read_raw *) |
0 | 752 |
|
42223
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
753 |
fun read_raw ctxt type_ctxt (syn as Syntax (tabs, _)) root input = |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
754 |
let |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
755 |
val {parse_ruletab, parse_trtab, ...} = tabs; |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
756 |
val norm = Ast.normalize ctxt (Symtab.lookup_list parse_ruletab); |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
757 |
val ast_to_term = Syn_Trans.ast_to_term ctxt (lookup_tr parse_trtab); |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
758 |
in |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
759 |
read_asts ctxt type_ctxt syn false root input |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
760 |
|> (map o apsnd o Exn.maps_result) (norm #> Exn.interruptible_capture ast_to_term) |
42044 | 761 |
end; |
0 | 762 |
|
763 |
||
42223
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
764 |
(* read sorts *) |
25993
d542486e39e7
added ambiguity_limit (restricts parse trees / terms printed in messages);
wenzelm
parents:
25476
diff
changeset
|
765 |
|
42223
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
766 |
fun standard_parse_sort ctxt type_ctxt syn (syms, pos) = |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
767 |
read_raw ctxt type_ctxt syn (Syn_Ext.typ_to_nonterm Type_Ext.sortT) (syms, pos) |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
768 |
|> report_result ctxt pos |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
769 |
|> Type_Ext.sort_of_term; |
22703 | 770 |
|
771 |
||
237
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
772 |
(* read types *) |
0 | 773 |
|
42204 | 774 |
fun standard_parse_typ ctxt type_ctxt syn get_sort (syms, pos) = |
42223
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
775 |
read_raw ctxt type_ctxt syn (Syn_Ext.typ_to_nonterm Syn_Ext.typeT) (syms, pos) |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
776 |
|> report_result ctxt pos |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
777 |
|> (fn t => Type_Ext.typ_of_term (get_sort (Type_Ext.term_sorts t)) t); |
144 | 778 |
|
779 |
||
42223
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
780 |
(* read terms -- brute-force disambiguation via type-inference *) |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
781 |
|
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
782 |
fun standard_parse_term check ctxt type_ctxt term_ctxt syn root (syms, pos) = |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
783 |
let |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
784 |
val results = |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
785 |
read_raw ctxt type_ctxt syn root (syms, pos) |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
786 |
|> map (Type_Ext.decode_term term_ctxt); |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
787 |
|
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
788 |
val level = Config.get ctxt ambiguity_level; |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
789 |
val limit = Config.get ctxt ambiguity_limit; |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
790 |
|
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
791 |
val ambiguity = length (proper_results results); |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
792 |
|
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
793 |
fun ambig_msg () = |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
794 |
if ambiguity > 1 andalso ambiguity <= level then |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
795 |
"Got more than one parse tree.\n\ |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
796 |
\Retry with smaller syntax_ambiguity_level for more information." |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
797 |
else ""; |
8894 | 798 |
|
42223
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
799 |
val results' = |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
800 |
if ambiguity > 1 then |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
801 |
(Par_List.map_name "Syntax.disambig" o apsnd o Exn.maps_result) check results |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
802 |
else results; |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
803 |
val reports' = fst (hd results'); |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
804 |
|
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
805 |
val errs = map snd (failed_results results'); |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
806 |
val checked = map snd (proper_results results'); |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
807 |
val len = length checked; |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
808 |
|
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
809 |
val show_term = string_of_term (Config.put Printer.show_brackets true ctxt); |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
810 |
in |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
811 |
if len = 0 then |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
812 |
report_result ctxt pos |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
813 |
[(reports', Exn.Exn (Exn.EXCEPTIONS (ERROR (ambig_msg ()) :: errs)))] |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
814 |
else if len = 1 then |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
815 |
(if ambiguity > level then |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
816 |
Context_Position.if_visible ctxt warning |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
817 |
"Fortunately, only one parse tree is type correct.\n\ |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
818 |
\You may still want to disambiguate your grammar or your input." |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
819 |
else (); report_result ctxt pos results') |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
820 |
else |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
821 |
report_result ctxt pos |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
822 |
[(reports', Exn.Exn (ERROR (cat_lines (ambig_msg () :: |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
823 |
(("Ambiguous input, " ^ string_of_int len ^ " terms are type correct" ^ |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
824 |
(if len <= limit then "" else " (" ^ string_of_int limit ^ " displayed)") ^ ":") :: |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
825 |
map show_term (take limit checked))))))] |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
826 |
end; |
8894 | 827 |
|
828 |
||
18 | 829 |
|
1158 | 830 |
(** prepare translation rules **) |
831 |
||
42204 | 832 |
(* rules *) |
833 |
||
1158 | 834 |
datatype 'a trrule = |
42204 | 835 |
Parse_Rule of 'a * 'a | |
836 |
Print_Rule of 'a * 'a | |
|
837 |
Parse_Print_Rule of 'a * 'a; |
|
888
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
838 |
|
42204 | 839 |
fun map_trrule f (Parse_Rule (x, y)) = Parse_Rule (f x, f y) |
840 |
| map_trrule f (Print_Rule (x, y)) = Print_Rule (f x, f y) |
|
841 |
| map_trrule f (Parse_Print_Rule (x, y)) = Parse_Print_Rule (f x, f y); |
|
1158 | 842 |
|
42204 | 843 |
fun parse_rule (Parse_Rule pats) = SOME pats |
844 |
| parse_rule (Print_Rule _) = NONE |
|
845 |
| parse_rule (Parse_Print_Rule pats) = SOME pats; |
|
1158 | 846 |
|
42204 | 847 |
fun print_rule (Parse_Rule _) = NONE |
848 |
| print_rule (Print_Rule pats) = SOME (swap pats) |
|
849 |
| print_rule (Parse_Print_Rule pats) = SOME (swap pats); |
|
1158 | 850 |
|
851 |
||
35111 | 852 |
fun is_const (Syntax ({consts, ...}, _)) c = member (op =) consts c; |
853 |
||
42204 | 854 |
|
855 |
(* check_rules *) |
|
856 |
||
19262 | 857 |
local |
858 |
||
42048
afd11ca8e018
support for encoded positions (for id_position, longid_position) as pseudo type-constraints -- still inactive;
wenzelm
parents:
42044
diff
changeset
|
859 |
fun check_rule rule = |
5692 | 860 |
(case Ast.rule_error rule of |
15531 | 861 |
SOME msg => |
1158 | 862 |
error ("Error in syntax translation rule: " ^ msg ^ "\n" ^ |
42048
afd11ca8e018
support for encoded positions (for id_position, longid_position) as pseudo type-constraints -- still inactive;
wenzelm
parents:
42044
diff
changeset
|
863 |
Pretty.string_of (Ast.pretty_rule rule)) |
15531 | 864 |
| NONE => rule); |
888
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
865 |
|
42204 | 866 |
in |
867 |
||
868 |
fun check_rules rules = |
|
869 |
(map check_rule (map_filter parse_rule rules), |
|
870 |
map check_rule (map_filter print_rule rules)); |
|
871 |
||
872 |
end; |
|
873 |
||
874 |
||
875 |
(* read_rule_pattern *) |
|
876 |
||
877 |
fun read_rule_pattern ctxt type_ctxt syn (root, str) = |
|
18 | 878 |
let |
5692 | 879 |
fun constify (ast as Ast.Constant _) = ast |
880 |
| constify (ast as Ast.Variable x) = |
|
35111 | 881 |
if is_const syn x orelse Long_Name.is_qualified x then Ast.Constant x |
3830 | 882 |
else ast |
5692 | 883 |
| constify (Ast.Appl asts) = Ast.Appl (map constify asts); |
27786
4525c6f5d753
added read_token -- with optional YXML encoding of position;
wenzelm
parents:
27768
diff
changeset
|
884 |
|
4525c6f5d753
added read_token -- with optional YXML encoding of position;
wenzelm
parents:
27768
diff
changeset
|
885 |
val (syms, pos) = read_token str; |
18 | 886 |
in |
42223
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
887 |
read_asts ctxt type_ctxt syn true root (syms, pos) |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
888 |
|> report_result ctxt pos |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
889 |
|> constify |
27786
4525c6f5d753
added read_token -- with optional YXML encoding of position;
wenzelm
parents:
27768
diff
changeset
|
890 |
end; |
0 | 891 |
|
18 | 892 |
|
893 |
||
24923 | 894 |
(** unparse terms, typs, sorts **) |
18 | 895 |
|
24923 | 896 |
local |
897 |
||
32784 | 898 |
fun unparse_t t_to_ast prt_t markup ctxt (Syntax (tabs, _)) curried t = |
0 | 899 |
let |
35429
afa8cf9e63d8
authentic syntax for classes and type constructors;
wenzelm
parents:
35412
diff
changeset
|
900 |
val {consts, print_trtab, print_ruletab, print_ast_trtab, tokentrtab, prtabs, ...} = tabs; |
afa8cf9e63d8
authentic syntax for classes and type constructors;
wenzelm
parents:
35412
diff
changeset
|
901 |
val ast = t_to_ast consts ctxt (lookup_tr' print_trtab) t; |
0 | 902 |
in |
23631 | 903 |
Pretty.markup markup (prt_t ctxt curried prtabs (lookup_tr' print_ast_trtab) |
24613 | 904 |
(lookup_tokentr tokentrtab (print_mode_value ())) |
41377
390c53904220
configuration option "syntax_ast_trace" and "syntax_ast_stat";
wenzelm
parents:
40959
diff
changeset
|
905 |
(Ast.normalize ctxt (Symtab.lookup_list print_ruletab) ast)) |
0 | 906 |
end; |
907 |
||
24923 | 908 |
in |
909 |
||
42223
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
910 |
fun standard_unparse_sort {extern_class} ctxt syn = |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
911 |
unparse_t (K Printer.sort_to_ast) |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
912 |
(Printer.pretty_typ_ast {extern_class = extern_class, extern_type = I}) |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
913 |
Markup.sort ctxt syn false; |
24923 | 914 |
|
35429
afa8cf9e63d8
authentic syntax for classes and type constructors;
wenzelm
parents:
35412
diff
changeset
|
915 |
fun standard_unparse_typ extern ctxt syn = |
afa8cf9e63d8
authentic syntax for classes and type constructors;
wenzelm
parents:
35412
diff
changeset
|
916 |
unparse_t (K Printer.typ_to_ast) (Printer.pretty_typ_ast extern) Markup.typ ctxt syn false; |
24923 | 917 |
|
42223
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
918 |
fun standard_unparse_term idents extern = |
098c86e53153
more precise propagation of reports/results through some inner syntax layers;
wenzelm
parents:
42217
diff
changeset
|
919 |
unparse_t (Printer.term_to_ast idents) (Printer.pretty_term_ast extern) Markup.term; |
24923 | 920 |
|
921 |
end; |
|
0 | 922 |
|
923 |
||
924 |
||
19262 | 925 |
(** modify syntax **) |
383
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
wenzelm
parents:
330
diff
changeset
|
926 |
|
25394
db25c98f32e1
syntax operations: turned extend'' into update'' (absorb duplicates);
wenzelm
parents:
25387
diff
changeset
|
927 |
fun ext_syntax f decls = update_syntax mode_default (f decls); |
383
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
wenzelm
parents:
330
diff
changeset
|
928 |
|
37216
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
37146
diff
changeset
|
929 |
val update_trfuns = ext_syntax Syn_Ext.syn_ext_trfuns; |
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
37146
diff
changeset
|
930 |
val update_advanced_trfuns = ext_syntax Syn_Ext.syn_ext_advanced_trfuns; |
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
37146
diff
changeset
|
931 |
val extend_tokentrfuns = ext_syntax Syn_Ext.syn_ext_tokentrfuns; |
5692 | 932 |
|
35412
b8dead547d9e
more uniform treatment of syntax for types vs. consts;
wenzelm
parents:
35394
diff
changeset
|
933 |
fun update_type_gram add prmode decls = |
b8dead547d9e
more uniform treatment of syntax for types vs. consts;
wenzelm
parents:
35394
diff
changeset
|
934 |
(if add then update_syntax else remove_syntax) prmode (Mixfix.syn_ext_types decls); |
25387 | 935 |
|
35412
b8dead547d9e
more uniform treatment of syntax for types vs. consts;
wenzelm
parents:
35394
diff
changeset
|
936 |
fun update_const_gram add is_logtype prmode decls = |
b8dead547d9e
more uniform treatment of syntax for types vs. consts;
wenzelm
parents:
35394
diff
changeset
|
937 |
(if add then update_syntax else remove_syntax) prmode (Mixfix.syn_ext_consts is_logtype decls); |
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
938 |
|
42204 | 939 |
val update_trrules = ext_syntax Syn_Ext.syn_ext_rules o check_rules; |
940 |
val remove_trrules = remove_syntax mode_default o Syn_Ext.syn_ext_rules o check_rules; |
|
5692 | 941 |
|
942 |
||
15833
78109c7012ed
removed token_trans.ML (some content moved to syn_ext.ML);
wenzelm
parents:
15759
diff
changeset
|
943 |
(*export parts of internal Syntax structures*) |
42225
cf48af306290
discontinued special treatment of structure Parser -- directly accessible;
wenzelm
parents:
42224
diff
changeset
|
944 |
open Lexicon Syn_Ext Type_Ext Syn_Trans Mixfix Printer; |
2366 | 945 |
|
0 | 946 |
end; |
5692 | 947 |
|
35130 | 948 |
structure Basic_Syntax: BASIC_SYNTAX = Syntax; |
949 |
open Basic_Syntax; |
|
23923 | 950 |
|
37216
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
37146
diff
changeset
|
951 |
forget_structure "Syn_Ext"; |
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
37146
diff
changeset
|
952 |
forget_structure "Type_Ext"; |
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
37146
diff
changeset
|
953 |
forget_structure "Syn_Trans"; |
26684 | 954 |
forget_structure "Mixfix"; |
955 |
forget_structure "Printer"; |