package diffast-langs-verilog-parsing
Verilog parser for Diff/AST
Install
Dune Dependency
Authors
Maintainers
Sources
v0.1.1.tar.gz
sha256=2b36318d1317efb4e3ae71727934aa8883dde49ad5dd71d85df6a9b9b10bfe0a
md5=a0d35178f15cd2d2a3b907a0bbcc959c
doc/src/diffast-langs-verilog-parsing/lib.ml.html
Source file lib.ml
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(* Copyright 2012-2025 Codinuum Software Lab <https://codinuum.com> Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. *) (* lib.ml *) [%%prepare_logger] module Storage = Diffast_misc.Storage module Parserlib_base = Langs_common.Parserlib_base module Astloc = Langs_common.Astloc module Loc = Astloc module Aux = Parser_aux module PB = Parserlib_base module C = Context let mkparser = PB.mkparser let predefined_macrotbl = let open Tokens_ in let mkstring id = PP_MACRO_CONST_STR id in let mkinteger id = PP_MACRO_CONST_INT id in let tbl = new Macro.table "predefined" in let list = [ "`__FILE__", [], Macro.mk_line mkstring; "`__LINE__", [], Macro.mk_line mkinteger; ] in List.iter (fun (id, args, mk_line) -> let body = match args with | [] -> Macro.Object (mk_line id) | _ -> Macro.Function(args, mk_line id) in tbl#define id body ) list; tbl [%%capture_path class parser_c = object (self) inherit [Source.c, Tokens_.token, Ast.c] PB.c (new Aux.env) val mutable context_stack = Obj.magic () val mutable begin_scope = fun () -> () val mutable end_scope = fun () -> () val mutable parser_partial_description_list = fun _ -> Obj.magic () val mutable parser_partial_module_item_list = fun _ -> Obj.magic () val mutable parser_partial_generate_item_list = fun _ -> Obj.magic () val mutable parser_partial_block_decl_stmt_list = fun _ -> Obj.magic () val mutable parser_partial_case_item_list = fun _ -> Obj.magic () val mutable parser_partial_case_inside_item_list = fun _ -> Obj.magic () val mutable parser_partial_cellpin_list = fun _ -> Obj.magic () val mutable parser_partial_list_of_ports = fun _ -> Obj.magic () val mutable parser_partial_pev_expr = fun _ -> Obj.magic () val mutable parser_partial_ev_expr = fun _ -> Obj.magic () val mutable parser_partial_expr = fun _ -> Obj.magic () val mutable parser_main = fun _ -> Ast.dummy_node val mutable parse_error = fun _ _ _ -> Common.fail_to_parse "" val mutable scanner = Obj.magic () val mutable _parse = fun () -> Obj.magic () method set_ignore_include_flag = env#set_ignore_include_flag method clear_ignore_include_flag = env#clear_ignore_include_flag method dump_ignored_regions = env#ignored_regions#dump method ignored_LOC = env#ignored_regions#get_LOC method dump_missed_regions = env#missed_regions#dump method missed_LOC = env#missed_regions#get_LOC method partial_parser_selector c = match C.get_tag c with | C.Cunknown -> [%debug_log "not found"]; raise Not_found | C.Ctoplevel -> parser_partial_description_list | C.Cmodule_item_list -> parser_partial_module_item_list | C.Cgenerate_item_list -> parser_partial_generate_item_list | C.Cblock_decl_stmt_list -> parser_partial_block_decl_stmt_list | C.Ccase_item_list -> parser_partial_case_item_list | C.Ccase_inside_item_list -> parser_partial_case_inside_item_list | C.Ccellpin_list -> parser_partial_cellpin_list | C.Clist_of_ports -> parser_partial_list_of_ports | C.Cpev_expr -> parser_partial_pev_expr | C.Cev_expr -> parser_partial_ev_expr | C.Cexpr -> parser_partial_expr method! parser_init = [%debug_log "initializing..."]; begin_scope(); List.iter (fun (pkg, _) -> env#import_any pkg; env#register_identifier pkg Aux.IApackage ) Aux.builtin_packages; context_stack#reset; [%debug_log "finished"] method _parse = _parse() method macrotbl = env#macrotbl method set_predefined_macrotbl tbl = env#set_predefined_macrotbl tbl method make_source file = new Source.c file method make_source_stdin = new Source.c Storage.stdin method __parse = (* self#parser_init; *) try let root = parser_main scanner#get_token in let ast = new Ast.c root in ast#set_lines_read (env#lines_read + env#current_pos_mgr#lines_read); ast#set_comment_regions env#comment_regions#get_offsets; ast#set_comment_LOC env#comment_regions#get_LOC; ast#set_missed_regions (env#missed_regions#get_offsets); ast#set_missed_LOC (env#missed_regions#get_LOC); ast#set_ignored_regions (env#ignored_regions#get_offsets); ast#set_ignored_LOC (env#ignored_regions#get_LOC); ast with | Parsing.Parse_error -> let l, c = env#current_pos_mgr#get_current_position in Common.fail_to_parse ~head:(Printf.sprintf "[%s:%d:%d]" env#current_filename l c) "syntax error" initializer context_stack <- new C.stack env; let module S = struct let env = env let context_stack = context_stack end in let module A = Aux.F (S) in let module P = Parser.Make (S) in let module TB = Tokenbuffer.F (S) in let module Scan = Scanner.F (S) in begin_scope <- A.begin_scope; end_scope <- A.end_scope; scanner <- new Scan.c env self#partial_parser_selector; parser_partial_description_list <- mkparser P.partial_description_list; parser_partial_module_item_list <- mkparser P.partial_module_item_list; parser_partial_generate_item_list <- mkparser P.partial_gen_item_list; parser_partial_block_decl_stmt_list <- mkparser P.partial_block_decl_stmt_list; parser_partial_case_item_list <- mkparser P.partial_case_item_list; parser_partial_case_inside_item_list <- mkparser P.partial_case_inside_item_list; parser_partial_cellpin_list <- mkparser P.partial_cellpin_list; parser_partial_list_of_ports <- mkparser P.partial_list_of_ports; parser_partial_pev_expr <- mkparser P.partial_pev_expr; parser_partial_ev_expr <- mkparser P.partial_ev_expr; parser_partial_expr <- mkparser P.partial_expr; parser_main <- mkparser P.main; parse_error <- A.parse_error; _parse <- (fun () -> try self#__parse with | P.Error -> let l, c = env#current_pos_mgr#get_current_position in Common.fail_to_parse ~head:(Printf.sprintf "[%s:%d:%d]" env#current_filename l c) "syntax error" ) end (* of Lib.parser_c *) ]
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