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ast: Introduce some traits to get AST node properties generically

And use them to avoid constructing some artificial `Nonterminal` tokens during expansion
This commit is contained in:
Vadim Petrochenkov 2022-05-01 20:58:24 +03:00
parent ee6eaabdd4
commit f2b7fa4847
24 changed files with 593 additions and 500 deletions

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@ -13,10 +13,8 @@ use rustc_ast as ast;
use rustc_ast::ptr::P;
use rustc_ast::token::{self, Delimiter, TokenKind};
use rustc_ast::util::classify;
use rustc_ast::{
AstLike, AttrStyle, AttrVec, Attribute, LocalKind, MacCall, MacCallStmt, MacStmtStyle,
};
use rustc_ast::{Block, BlockCheckMode, Expr, ExprKind, Local, Stmt};
use rustc_ast::{AttrStyle, AttrVec, Attribute, LocalKind, MacCall, MacCallStmt, MacStmtStyle};
use rustc_ast::{Block, BlockCheckMode, Expr, ExprKind, HasAttrs, Local, Stmt};
use rustc_ast::{StmtKind, DUMMY_NODE_ID};
use rustc_errors::{Applicability, DiagnosticBuilder, ErrorGuaranteed, PResult};
use rustc_span::source_map::{BytePos, Span};