Auto merge of #64778 - csmoe:index, r=eddyb

Introduce librustc_index crate

Closes #50592

Author: bors

Cargo.lock

@@ -3081,6 +3081,7 @@ dependencies = [
  "rustc_data_structures",
  "rustc_errors",
  "rustc_fs_util",
+ "rustc_index",
  "rustc_macros",
  "rustc_target",
  "scoped-tls",
@@ -3361,6 +3362,7 @@ dependencies = [
  "rustc_errors",
  "rustc_fs_util",
  "rustc_incremental",
+ "rustc_index",
  "rustc_target",
  "serialize",
  "syntax",
@@ -3399,6 +3401,7 @@ dependencies = [
  "rustc-hash",
  "rustc-rayon",
  "rustc-rayon-core",
+ "rustc_index",
  "serialize",
  "smallvec",
  "stable_deref_trait",
@@ -3462,6 +3465,14 @@ dependencies = [
  "syntax_pos",
 ]
 
+[[package]]
+name = "rustc_index"
+version = "0.0.0"
+dependencies = [
+ "serialize",
+ "smallvec",
+]
+
 [[package]]
 name = "rustc_interface"
 version = "0.0.0"
@@ -3506,6 +3517,7 @@ dependencies = [
  "log",
  "rustc",
  "rustc_data_structures",
+ "rustc_index",
  "rustc_target",
  "syntax",
  "syntax_pos",
@@ -3551,6 +3563,7 @@ dependencies = [
  "rustc",
  "rustc_data_structures",
  "rustc_errors",
+ "rustc_index",
  "rustc_target",
  "serialize",
  "smallvec",
@@ -3573,6 +3586,7 @@ dependencies = [
  "rustc_apfloat",
  "rustc_data_structures",
  "rustc_errors",
+ "rustc_index",
  "rustc_lexer",
  "rustc_target",
  "serialize",
@@ -3672,6 +3686,7 @@ dependencies = [
  "bitflags",
  "log",
  "rustc_data_structures",
+ "rustc_index",
  "serialize",
  "syntax_pos",
 ]
@@ -3720,6 +3735,7 @@ dependencies = [
  "rustc",
  "rustc_data_structures",
  "rustc_errors",
+ "rustc_index",
  "rustc_target",
  "smallvec",
  "syntax",
@@ -4236,6 +4252,7 @@ dependencies = [
  "log",
  "rustc_data_structures",
  "rustc_errors",
+ "rustc_index",
  "rustc_lexer",
  "rustc_target",
  "scoped-tls",
@@ -4265,6 +4282,7 @@ dependencies = [
  "arena",
  "cfg-if",
  "rustc_data_structures",
+ "rustc_index",
  "rustc_macros",
  "scoped-tls",
  "serialize",

src/librustc/Cargo.toml

@@ -25,6 +25,7 @@ rustc_apfloat = { path = "../librustc_apfloat" }
 rustc_target = { path = "../librustc_target" }
 rustc_macros = { path = "../librustc_macros" }
 rustc_data_structures = { path = "../librustc_data_structures" }
+rustc_index = { path = "../librustc_index" }
 errors = { path = "../librustc_errors", package = "rustc_errors" }
 rustc_serialize = { path = "../libserialize", package = "serialize" }
 syntax = { path = "../libsyntax" }