-#![cfg_attr(bootstrap, feature(or_patterns))]
#![recursion_limit = "256"]
use rustc_ast as ast;
}
self.bclose(item.span);
}
- hir::ItemKind::GlobalAsm(ref ga) => {
- self.head(visibility_qualified(&item.vis, "global asm"));
- self.s.word(ga.asm.to_string());
+ hir::ItemKind::GlobalAsm(ref asm) => {
+ self.head(visibility_qualified(&item.vis, "global_asm!"));
+ self.print_inline_asm(asm);
self.end()
}
hir::ItemKind::TyAlias(ref ty, ref generics) => {
self.word(lit.node.to_lit_token().to_string())
}
+ fn print_inline_asm(&mut self, asm: &hir::InlineAsm<'_>) {
+ enum AsmArg<'a> {
+ Template(String),
+ Operand(&'a hir::InlineAsmOperand<'a>),
+ Options(ast::InlineAsmOptions),
+ }
+
+ let mut args = vec![];
+ args.push(AsmArg::Template(ast::InlineAsmTemplatePiece::to_string(&asm.template)));
+ args.extend(asm.operands.iter().map(|(o, _)| AsmArg::Operand(o)));
+ if !asm.options.is_empty() {
+ args.push(AsmArg::Options(asm.options));
+ }
+
+ self.popen();
+ self.commasep(Consistent, &args, |s, arg| match arg {
+ AsmArg::Template(template) => s.print_string(&template, ast::StrStyle::Cooked),
+ AsmArg::Operand(op) => match op {
+ hir::InlineAsmOperand::In { reg, expr } => {
+ s.word("in");
+ s.popen();
+ s.word(format!("{}", reg));
+ s.pclose();
+ s.space();
+ s.print_expr(expr);
+ }
+ hir::InlineAsmOperand::Out { reg, late, expr } => {
+ s.word(if *late { "lateout" } else { "out" });
+ s.popen();
+ s.word(format!("{}", reg));
+ s.pclose();
+ s.space();
+ match expr {
+ Some(expr) => s.print_expr(expr),
+ None => s.word("_"),
+ }
+ }
+ hir::InlineAsmOperand::InOut { reg, late, expr } => {
+ s.word(if *late { "inlateout" } else { "inout" });
+ s.popen();
+ s.word(format!("{}", reg));
+ s.pclose();
+ s.space();
+ s.print_expr(expr);
+ }
+ hir::InlineAsmOperand::SplitInOut { reg, late, in_expr, out_expr } => {
+ s.word(if *late { "inlateout" } else { "inout" });
+ s.popen();
+ s.word(format!("{}", reg));
+ s.pclose();
+ s.space();
+ s.print_expr(in_expr);
+ s.space();
+ s.word_space("=>");
+ match out_expr {
+ Some(out_expr) => s.print_expr(out_expr),
+ None => s.word("_"),
+ }
+ }
+ hir::InlineAsmOperand::Const { anon_const } => {
+ s.word("const");
+ s.space();
+ s.print_anon_const(anon_const);
+ }
+ hir::InlineAsmOperand::Sym { expr } => {
+ s.word("sym");
+ s.space();
+ s.print_expr(expr);
+ }
+ },
+ AsmArg::Options(opts) => {
+ s.word("options");
+ s.popen();
+ let mut options = vec![];
+ if opts.contains(ast::InlineAsmOptions::PURE) {
+ options.push("pure");
+ }
+ if opts.contains(ast::InlineAsmOptions::NOMEM) {
+ options.push("nomem");
+ }
+ if opts.contains(ast::InlineAsmOptions::READONLY) {
+ options.push("readonly");
+ }
+ if opts.contains(ast::InlineAsmOptions::PRESERVES_FLAGS) {
+ options.push("preserves_flags");
+ }
+ if opts.contains(ast::InlineAsmOptions::NORETURN) {
+ options.push("noreturn");
+ }
+ if opts.contains(ast::InlineAsmOptions::NOSTACK) {
+ options.push("nostack");
+ }
+ if opts.contains(ast::InlineAsmOptions::ATT_SYNTAX) {
+ options.push("att_syntax");
+ }
+ s.commasep(Inconsistent, &options, |s, &opt| {
+ s.word(opt);
+ });
+ s.pclose();
+ }
+ });
+ self.pclose();
+ }
+
pub fn print_expr(&mut self, expr: &hir::Expr<'_>) {
self.maybe_print_comment(expr.span.lo());
self.print_outer_attributes(self.attrs(expr.hir_id));
self.print_expr_maybe_paren(&expr, parser::PREC_JUMP);
}
}
- hir::ExprKind::InlineAsm(ref a) => {
- enum AsmArg<'a> {
- Template(String),
- Operand(&'a hir::InlineAsmOperand<'a>),
- Options(ast::InlineAsmOptions),
- }
-
- let mut args = vec![];
- args.push(AsmArg::Template(ast::InlineAsmTemplatePiece::to_string(&a.template)));
- args.extend(a.operands.iter().map(|(o, _)| AsmArg::Operand(o)));
- if !a.options.is_empty() {
- args.push(AsmArg::Options(a.options));
- }
-
+ hir::ExprKind::InlineAsm(ref asm) => {
self.word("asm!");
- self.popen();
- self.commasep(Consistent, &args, |s, arg| match arg {
- AsmArg::Template(template) => s.print_string(&template, ast::StrStyle::Cooked),
- AsmArg::Operand(op) => match op {
- hir::InlineAsmOperand::In { reg, expr } => {
- s.word("in");
- s.popen();
- s.word(format!("{}", reg));
- s.pclose();
- s.space();
- s.print_expr(expr);
- }
- hir::InlineAsmOperand::Out { reg, late, expr } => {
- s.word(if *late { "lateout" } else { "out" });
- s.popen();
- s.word(format!("{}", reg));
- s.pclose();
- s.space();
- match expr {
- Some(expr) => s.print_expr(expr),
- None => s.word("_"),
- }
- }
- hir::InlineAsmOperand::InOut { reg, late, expr } => {
- s.word(if *late { "inlateout" } else { "inout" });
- s.popen();
- s.word(format!("{}", reg));
- s.pclose();
- s.space();
- s.print_expr(expr);
- }
- hir::InlineAsmOperand::SplitInOut { reg, late, in_expr, out_expr } => {
- s.word(if *late { "inlateout" } else { "inout" });
- s.popen();
- s.word(format!("{}", reg));
- s.pclose();
- s.space();
- s.print_expr(in_expr);
- s.space();
- s.word_space("=>");
- match out_expr {
- Some(out_expr) => s.print_expr(out_expr),
- None => s.word("_"),
- }
- }
- hir::InlineAsmOperand::Const { anon_const } => {
- s.word("const");
- s.space();
- s.print_anon_const(anon_const);
- }
- hir::InlineAsmOperand::Sym { expr } => {
- s.word("sym");
- s.space();
- s.print_expr(expr);
- }
- },
- AsmArg::Options(opts) => {
- s.word("options");
- s.popen();
- let mut options = vec![];
- if opts.contains(ast::InlineAsmOptions::PURE) {
- options.push("pure");
- }
- if opts.contains(ast::InlineAsmOptions::NOMEM) {
- options.push("nomem");
- }
- if opts.contains(ast::InlineAsmOptions::READONLY) {
- options.push("readonly");
- }
- if opts.contains(ast::InlineAsmOptions::PRESERVES_FLAGS) {
- options.push("preserves_flags");
- }
- if opts.contains(ast::InlineAsmOptions::NORETURN) {
- options.push("noreturn");
- }
- if opts.contains(ast::InlineAsmOptions::NOSTACK) {
- options.push("nostack");
- }
- if opts.contains(ast::InlineAsmOptions::ATT_SYNTAX) {
- options.push("att_syntax");
- }
- s.commasep(Inconsistent, &options, |s, &opt| {
- s.word(opt);
- });
- s.pclose();
- }
- });
- self.pclose();
+ self.print_inline_asm(asm);
}
hir::ExprKind::LlvmInlineAsm(ref a) => {
let i = &a.inner;
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