add nom_locate

Cargo.lock

@@ -28,6 +28,12 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "bytecount"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72feb31ffc86498dacdbd0fcebb56138e7177a8cc5cea4516031d15ae85a742e"
+
 [[package]]
 name = "clap"
 version = "2.34.0"
@@ -48,6 +54,7 @@ name = "futilehdl"
 version = "0.1.0"
 dependencies = [
  "nom",
+ "nom_locate",
  "structopt",
 ]
 
@@ -104,6 +111,17 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "nom_locate"
+version = "4.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "37794436ca3029a3089e0b95d42da1f0b565ad271e4d3bb4bad0c7bb70b10605"
+dependencies = [
+ "bytecount",
+ "memchr",
+ "nom",
+]
+
 [[package]]
 name = "proc-macro-error"
 version = "1.0.4"

Cargo.toml

@@ -7,4 +7,5 @@ edition = "2021"
 
 [dependencies]
 nom = "7.1.0"
+nom_locate = "4.0.0"
 structopt = "0.3.25"

src/parser.rs

@@ -8,6 +8,9 @@ use nom::{
     sequence::{delimited, pair, preceded, separated_pair, terminated, tuple},
 };
 
+use nom_locate::{position, LocatedSpan};
+type Span<'a> = LocatedSpan<&'a str>;
+
 use crate::literals::{decimal, hexadecimal};
 use crate::IResult;