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/*
* vim: set ft=rust:
* vim: set ft=reason:
*
* Copyright (c) 2015 - present Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
open! Utils;
let module F = Format;
let module L = Logging;
/** Location in the original source file */
type t = {
line: int, /** The line number. -1 means "do not know" */
col: int, /** The column number. -1 means "do not know" */
file: DB.source_file, /** The name of the source file */
nLOC: int /** Lines of code in the source file */
};
let compare loc1 loc2 => {
let n = int_compare loc1.line loc2.line;
if (n != 0) {
n
} else {
DB.source_file_compare loc1.file loc2.file
}
};
/** Dump a location */
let d (loc: t) => L.add_print_action (L.PTloc, Obj.repr loc);
/** Dummy location */
let dummy = {line: (-1), col: (-1), file: DB.source_file_empty, nLOC: (-1)};
let equal loc1 loc2 => compare loc1 loc2 == 0;
/** Pretty print a location */
let pp f (loc: t) => F.fprintf f "[line %d]" loc.line;
let to_string loc => {
let s = string_of_int loc.line;
if (loc.col !== (-1)) {
s ^ ":" ^ string_of_int loc.col
} else {
s
}
};