syntax::print -> new crate rustc_ast_pretty

Cargo.lock

@@ -3093,6 +3093,7 @@ dependencies = [
  "rustc-rayon",
  "rustc-rayon-core",
  "rustc_apfloat",
+ "rustc_ast_pretty",
  "rustc_attr",
  "rustc_data_structures",
  "rustc_errors",
@@ -3359,6 +3360,7 @@ version = "0.0.0"
 dependencies = [
  "log",
  "rustc",
+ "rustc_ast_pretty",
  "rustc_data_structures",
  "rustc_errors",
  "rustc_hir",
@@ -3375,6 +3377,7 @@ name = "rustc_ast_passes"
 version = "0.0.0"
 dependencies = [
  "log",
+ "rustc_ast_pretty",
  "rustc_attr",
  "rustc_data_structures",
  "rustc_errors",
@@ -3385,10 +3388,21 @@ dependencies = [
  "syntax",
 ]
 
+[[package]]
+name = "rustc_ast_pretty"
+version = "0.0.0"
+dependencies = [
+ "log",
+ "rustc_data_structures",
+ "rustc_span",
+ "syntax",
+]
+
 [[package]]
 name = "rustc_attr"
 version = "0.0.0"
 dependencies = [
+ "rustc_ast_pretty",
  "rustc_data_structures",
  "rustc_errors",
  "rustc_feature",
@@ -3406,6 +3420,7 @@ version = "0.0.0"
 dependencies = [
  "fmt_macros",
  "log",
+ "rustc_ast_pretty",
  "rustc_attr",
  "rustc_data_structures",
  "rustc_errors",
@@ -3526,6 +3541,7 @@ dependencies = [
  "lazy_static 1.4.0",
  "log",
  "rustc",
+ "rustc_ast_pretty",
  "rustc_codegen_utils",
  "rustc_data_structures",
  "rustc_error_codes",
@@ -3572,6 +3588,7 @@ version = "0.0.0"
 dependencies = [
  "log",
  "rustc_ast_passes",
+ "rustc_ast_pretty",
  "rustc_attr",
  "rustc_data_structures",
  "rustc_errors",
@@ -3602,6 +3619,7 @@ version = "0.0.0"
 name = "rustc_hir"
 version = "0.0.0"
 dependencies = [
+ "rustc_ast_pretty",
  "rustc_data_structures",
  "rustc_errors",
  "rustc_index",
@@ -3693,6 +3711,7 @@ version = "0.0.0"
 dependencies = [
  "log",
  "rustc",
+ "rustc_ast_pretty",
  "rustc_attr",
  "rustc_data_structures",
  "rustc_errors",
@@ -3734,6 +3753,7 @@ dependencies = [
  "log",
  "memmap",
  "rustc",
+ "rustc_ast_pretty",
  "rustc_attr",
  "rustc_data_structures",
  "rustc_errors",
@@ -3762,6 +3782,7 @@ dependencies = [
  "polonius-engine",
  "rustc",
  "rustc_apfloat",
+ "rustc_ast_pretty",
  "rustc_attr",
  "rustc_data_structures",
  "rustc_errors",
@@ -3805,6 +3826,7 @@ version = "0.0.0"
 dependencies = [
  "bitflags",
  "log",
+ "rustc_ast_pretty",
  "rustc_attr",
  "rustc_data_structures",
  "rustc_errors",
@@ -3872,6 +3894,7 @@ dependencies = [
  "log",
  "rustc",
  "rustc_ast_lowering",
+ "rustc_ast_pretty",
  "rustc_attr",
  "rustc_data_structures",
  "rustc_errors",
@@ -3893,6 +3916,7 @@ dependencies = [
  "rls-data",
  "rls-span",
  "rustc",
+ "rustc_ast_pretty",
  "rustc_codegen_utils",
  "rustc_data_structures",
  "rustc_hir",

src/librustc/Cargo.toml

@@ -21,6 +21,8 @@ rustc-rayon = "0.3.0"
 rustc-rayon-core = "0.3.0"
 polonius-engine = "0.11.0"
 rustc_apfloat = { path = "../librustc_apfloat" }
+# FIXME(Centril): remove this dependency when stuff is moved to rustc_lint.
+rustc_ast_pretty = { path = "../librustc_ast_pretty" }
 rustc_attr = { path = "../librustc_attr" }
 rustc_feature = { path = "../librustc_feature" }
 rustc_hir = { path = "../librustc_hir" }

src/librustc_ast_lowering/Cargo.toml

@@ -12,6 +12,7 @@ doctest = false
 [dependencies]
 log = { version = "0.4", features = ["release_max_level_info", "std"] }
 rustc = { path = "../librustc" }
+rustc_ast_pretty = { path = "../librustc_ast_pretty" }
 rustc_hir = { path = "../librustc_hir" }
 rustc_target = { path = "../librustc_target" }
 rustc_data_structures = { path = "../librustc_data_structures" }

src/librustc_ast_lowering/lib.rs

@@ -38,6 +38,7 @@ use rustc::dep_graph::DepGraph;
 use rustc::hir::map::definitions::{DefKey, DefPathData, Definitions};
 use rustc::hir::map::Map;
 use rustc::{bug, span_bug};
+use rustc_ast_pretty::pprust;
 use rustc_data_structures::captures::Captures;
 use rustc_data_structures::fx::FxHashSet;
 use rustc_data_structures::sync::Lrc;
@@ -60,7 +61,6 @@ use syntax::ast;
 use syntax::ast::*;
 use syntax::attr;
 use syntax::node_id::NodeMap;
-use syntax::print::pprust;
 use syntax::token::{self, Nonterminal, Token};
 use syntax::tokenstream::{TokenStream, TokenTree};
 use syntax::visit::{self, Visitor};

src/librustc_ast_passes/Cargo.toml

@@ -10,6 +10,7 @@ path = "lib.rs"
 
 [dependencies]
 log = "0.4"
+rustc_ast_pretty = { path = "../librustc_ast_pretty" }
 rustc_attr = { path = "../librustc_attr" }
 rustc_data_structures = { path = "../librustc_data_structures" }
 rustc_errors = { path = "../librustc_errors" }

src/librustc_ast_passes/ast_validation.rs

@@ -6,6 +6,7 @@
 // This pass is supposed to perform only simple checks not requiring name resolution
 // or type checking or some other kind of complex analysis.
 
+use rustc_ast_pretty::pprust;
 use rustc_data_structures::fx::FxHashMap;
 use rustc_errors::{struct_span_err, Applicability, FatalError};
 use rustc_parse::validate_attr;
@@ -19,7 +20,6 @@ use std::mem;
 use syntax::ast::*;
 use syntax::attr;
 use syntax::expand::is_proc_macro_attr;
-use syntax::print::pprust;
 use syntax::visit::{self, Visitor};
 use syntax::walk_list;
 

src/librustc_ast_pretty/Cargo.toml

@@ -0,0 +1,16 @@
+[package]
+authors = ["The Rust Project Developers"]
+name = "rustc_ast_pretty"
+version = "0.0.0"
+edition = "2018"
+
+[lib]
+name = "rustc_ast_pretty"
+path = "lib.rs"
+doctest = false
+
+[dependencies]
+log = "0.4"
+rustc_span = { path = "../librustc_span" }
+rustc_data_structures = { path = "../librustc_data_structures" }
+syntax = { path = "../libsyntax" }

src/libsyntax/print/helpers.rs → src/librustc_ast_pretty/helpers.rs

@@ -1,4 +1,4 @@
-use crate::print::pp::Printer;
+use crate::pp::Printer;
 use std::borrow::Cow;
 
 impl Printer {

src/librustc_ast_pretty/lib.rs

@@ -0,0 +1,6 @@
+#![feature(bool_to_option)]
+#![feature(crate_visibility_modifier)]
+
+mod helpers;
+pub mod pp;
+pub mod pprust;

src/libsyntax/print/pprust.rs → src/librustc_ast_pretty/pprust.rs

@@ -1,21 +1,20 @@
-use crate::ast::{self, BlockCheckMode, PatKind, RangeEnd, RangeSyntax};
-use crate::ast::{Attribute, GenericArg, MacArgs};
-use crate::ast::{GenericBound, SelfKind, TraitBoundModifier};
-use crate::attr;
-use crate::print::pp::Breaks::{Consistent, Inconsistent};
-use crate::print::pp::{self, Breaks};
-use crate::ptr::P;
-use crate::token::{self, BinOpToken, DelimToken, Nonterminal, Token, TokenKind};
-use crate::tokenstream::{self, TokenStream, TokenTree};
-use crate::util::classify;
-use crate::util::comments;
-use crate::util::parser::{self, AssocOp, Fixity};
+use crate::pp::Breaks::{Consistent, Inconsistent};
+use crate::pp::{self, Breaks};
 
 use rustc_data_structures::sync::Once;
 use rustc_span::edition::Edition;
 use rustc_span::source_map::{dummy_spanned, SourceMap, Spanned};
 use rustc_span::symbol::{kw, sym, Symbol};
 use rustc_span::{BytePos, FileName, Span};
+use syntax::ast::{self, BlockCheckMode, PatKind, RangeEnd, RangeSyntax};
+use syntax::ast::{Attribute, GenericArg, MacArgs};
+use syntax::ast::{GenericBound, SelfKind, TraitBoundModifier};
+use syntax::attr;
+use syntax::ptr::P;
+use syntax::token::{self, BinOpToken, DelimToken, Nonterminal, Token, TokenKind};
+use syntax::tokenstream::{self, TokenStream, TokenTree};
+use syntax::util::parser::{self, AssocOp, Fixity};
+use syntax::util::{classify, comments};
 
 use std::borrow::Cow;
 

src/libsyntax/print/pprust/tests.rs → src/librustc_ast_pretty/pprust/tests.rs

@@ -1,9 +1,9 @@
 use super::*;
 
-use crate::ast;
-use crate::with_default_globals;
 use rustc_span;
 use rustc_span::source_map::{dummy_spanned, respan};
+use syntax::ast;
+use syntax::attr::with_default_globals;
 
 fn fun_to_string(
     decl: &ast::FnDecl,

src/librustc_attr/Cargo.toml

@@ -10,6 +10,7 @@ path = "lib.rs"
 doctest = false
 
 [dependencies]
+rustc_ast_pretty = { path = "../librustc_ast_pretty" }
 rustc_serialize = { path = "../libserialize", package = "serialize" }
 rustc_errors = { path = "../librustc_errors" }
 rustc_span = { path = "../librustc_span" }

src/librustc_attr/builtin.rs

@@ -2,6 +2,7 @@
 
 use super::{find_by_name, mark_used};
 
+use rustc_ast_pretty::pprust;
 use rustc_errors::{struct_span_err, Applicability, Handler};
 use rustc_feature::{find_gated_cfg, is_builtin_attr_name, Features, GatedCfg};
 use rustc_macros::HashStable_Generic;
@@ -10,7 +11,6 @@ use rustc_span::hygiene::Transparency;
 use rustc_span::{symbol::sym, symbol::Symbol, Span};
 use std::num::NonZeroU32;
 use syntax::ast::{self, Attribute, MetaItem, MetaItemKind, NestedMetaItem};
-use syntax::print::pprust;
 
 pub fn is_builtin_attr(attr: &Attribute) -> bool {
     attr.is_doc_comment() || attr.ident().filter(|ident| is_builtin_attr_name(ident.name)).is_some()

src/librustc_builtin_macros/Cargo.toml

@@ -12,6 +12,7 @@ doctest = false
 [dependencies]
 fmt_macros = { path = "../libfmt_macros" }
 log = "0.4"
+rustc_ast_pretty = { path = "../librustc_ast_pretty" }
 rustc_attr = { path = "../librustc_attr" }
 rustc_data_structures = { path = "../librustc_data_structures" }
 rustc_errors = { path = "../librustc_errors" }

src/librustc_builtin_macros/assert.rs

@@ -1,11 +1,11 @@
 use rustc_errors::{Applicability, DiagnosticBuilder};
 
+use rustc_ast_pretty::pprust;
 use rustc_expand::base::*;
 use rustc_parse::parser::Parser;
 use rustc_span::symbol::{sym, Symbol};
 use rustc_span::{Span, DUMMY_SP};
 use syntax::ast::{self, *};
-use syntax::print::pprust;
 use syntax::ptr::P;
 use syntax::token::{self, TokenKind};
 use syntax::tokenstream::{DelimSpan, TokenStream, TokenTree};

src/librustc_builtin_macros/log_syntax.rs

@@ -1,14 +1,14 @@
+use rustc_ast_pretty::pprust;
 use rustc_expand::base;
 use rustc_span;
-use syntax::print;
 use syntax::tokenstream::TokenStream;
 
 pub fn expand_log_syntax<'cx>(
     _cx: &'cx mut base::ExtCtxt<'_>,
     sp: rustc_span::Span,
     tts: TokenStream,
 ) -> Box<dyn base::MacResult + 'cx> {
-    println!("{}", print::pprust::tts_to_string(tts));
+    println!("{}", pprust::tts_to_string(tts));
 
     // any so that `log_syntax` can be invoked as an expression and item.
     base::DummyResult::any_valid(sp)

src/librustc_builtin_macros/proc_macro_harness.rs

@@ -1,5 +1,6 @@
 use std::mem;
 
+use rustc_ast_pretty::pprust;
 use rustc_expand::base::{ExtCtxt, Resolver};
 use rustc_expand::expand::{AstFragment, ExpansionConfig};
 use rustc_session::parse::ParseSess;
@@ -10,7 +11,6 @@ use smallvec::smallvec;
 use syntax::ast::{self, Ident};
 use syntax::attr;
 use syntax::expand::is_proc_macro_attr;
-use syntax::print::pprust;
 use syntax::ptr::P;
 use syntax::visit::{self, Visitor};
 

src/librustc_builtin_macros/source_util.rs

@@ -1,11 +1,11 @@
+use rustc_ast_pretty::pprust;
 use rustc_expand::base::{self, *};
 use rustc_expand::panictry;
 use rustc_parse::{self, new_sub_parser_from_file, parser::Parser, DirectoryOwnership};
 use rustc_session::lint::builtin::INCOMPLETE_INCLUDE;
 use rustc_span::symbol::Symbol;
 use rustc_span::{self, Pos, Span};
 use syntax::ast;
-use syntax::print::pprust;
 use syntax::ptr::P;
 use syntax::token;
 use syntax::tokenstream::TokenStream;

src/librustc_builtin_macros/test.rs

@@ -2,13 +2,13 @@
 /// Ideally, this code would be in libtest but for efficiency and error messages it lives here.
 use crate::util::check_builtin_macro_attribute;
 
+use rustc_ast_pretty::pprust;
 use rustc_expand::base::*;
 use rustc_span::source_map::respan;
 use rustc_span::symbol::{sym, Symbol};
 use rustc_span::Span;
 use syntax::ast;
 use syntax::attr;
-use syntax::print::pprust;
 
 use std::iter;
 

src/librustc_driver/Cargo.toml

@@ -14,6 +14,7 @@ lazy_static = "1.0"
 log = "0.4"
 env_logger = { version = "0.7", default-features = false }
 rustc = { path = "../librustc" }
+rustc_ast_pretty = { path = "../librustc_ast_pretty" }
 rustc_target = { path = "../librustc_target" }
 rustc_lint = { path = "../librustc_lint" }
 rustc_data_structures = { path = "../librustc_data_structures" }

src/librustc_driver/pretty.rs

@@ -5,14 +5,13 @@ use rustc::session::config::{Input, PpMode, PpSourceMode};
 use rustc::session::Session;
 use rustc::ty::{self, TyCtxt};
 use rustc::util::common::ErrorReported;
+use rustc_ast_pretty::pprust;
 use rustc_hir as hir;
 use rustc_hir::def_id::LOCAL_CRATE;
 use rustc_hir::print as pprust_hir;
 use rustc_mir::util::{write_mir_graphviz, write_mir_pretty};
-
 use rustc_span::FileName;
 use syntax::ast;
-use syntax::print::pprust;
 
 use std::cell::Cell;
 use std::fs::File;

src/librustc_expand/Cargo.toml

@@ -14,6 +14,7 @@ doctest = false
 rustc_serialize = { path = "../libserialize", package = "serialize" }
 log = "0.4"
 rustc_span = { path = "../librustc_span" }
+rustc_ast_pretty = { path = "../librustc_ast_pretty" }
 rustc_ast_passes = { path = "../librustc_ast_passes" }
 rustc_attr = { path = "../librustc_attr" }
 rustc_data_structures = { path = "../librustc_data_structures" }