mod utils;
mod create;
mod namespace;
+mod types;
use self::utils::{debug_context, DIB, span_start, bytes_to_bits, size_and_align_of,
assert_type_for_node_id, get_namespace_and_span_for_item, fn_should_be_ignored,
contains_nodebug_attribute, create_scope_map};
use self::create::{declare_local, create_DIArray, is_node_local_to_unit};
-use self::namespace::{namespace_for_item, NamespaceTreeNode, crate_root_namespace};
+use self::namespace::{namespace_for_item, NamespaceTreeNode};
+use self::types::{compute_debuginfo_type_name, push_debuginfo_type_name};
use self::VariableAccess::*;
use self::VariableKind::*;
debug_context(cx).current_debug_location.set(debug_location);
}
-
-//=-----------------------------------------------------------------------------
-// Type Names for Debug Info
-//=-----------------------------------------------------------------------------
-
-// Compute the name of the type as it should be stored in debuginfo. Does not do
-// any caching, i.e. calling the function twice with the same type will also do
-// the work twice. The `qualified` parameter only affects the first level of the
-// type name, further levels (i.e. type parameters) are always fully qualified.
-fn compute_debuginfo_type_name<'a, 'tcx>(cx: &CrateContext<'a, 'tcx>,
- t: Ty<'tcx>,
- qualified: bool)
- -> String {
- let mut result = String::with_capacity(64);
- push_debuginfo_type_name(cx, t, qualified, &mut result);
- result
-}
-
-// Pushes the name of the type as it should be stored in debuginfo on the
-// `output` String. See also compute_debuginfo_type_name().
-fn push_debuginfo_type_name<'a, 'tcx>(cx: &CrateContext<'a, 'tcx>,
- t: Ty<'tcx>,
- qualified: bool,
- output: &mut String) {
- match t.sty {
- ty::ty_bool => output.push_str("bool"),
- ty::ty_char => output.push_str("char"),
- ty::ty_str => output.push_str("str"),
- ty::ty_int(ast::TyIs) => output.push_str("isize"),
- ty::ty_int(ast::TyI8) => output.push_str("i8"),
- ty::ty_int(ast::TyI16) => output.push_str("i16"),
- ty::ty_int(ast::TyI32) => output.push_str("i32"),
- ty::ty_int(ast::TyI64) => output.push_str("i64"),
- ty::ty_uint(ast::TyUs) => output.push_str("usize"),
- ty::ty_uint(ast::TyU8) => output.push_str("u8"),
- ty::ty_uint(ast::TyU16) => output.push_str("u16"),
- ty::ty_uint(ast::TyU32) => output.push_str("u32"),
- ty::ty_uint(ast::TyU64) => output.push_str("u64"),
- ty::ty_float(ast::TyF32) => output.push_str("f32"),
- ty::ty_float(ast::TyF64) => output.push_str("f64"),
- ty::ty_struct(def_id, substs) |
- ty::ty_enum(def_id, substs) => {
- push_item_name(cx, def_id, qualified, output);
- push_type_params(cx, substs, output);
- },
- ty::ty_tup(ref component_types) => {
- output.push('(');
- for &component_type in component_types {
- push_debuginfo_type_name(cx, component_type, true, output);
- output.push_str(", ");
- }
- if !component_types.is_empty() {
- output.pop();
- output.pop();
- }
- output.push(')');
- },
- ty::ty_uniq(inner_type) => {
- output.push_str("Box<");
- push_debuginfo_type_name(cx, inner_type, true, output);
- output.push('>');
- },
- ty::ty_ptr(ty::mt { ty: inner_type, mutbl } ) => {
- output.push('*');
- match mutbl {
- ast::MutImmutable => output.push_str("const "),
- ast::MutMutable => output.push_str("mut "),
- }
-
- push_debuginfo_type_name(cx, inner_type, true, output);
- },
- ty::ty_rptr(_, ty::mt { ty: inner_type, mutbl }) => {
- output.push('&');
- if mutbl == ast::MutMutable {
- output.push_str("mut ");
- }
-
- push_debuginfo_type_name(cx, inner_type, true, output);
- },
- ty::ty_vec(inner_type, optional_length) => {
- output.push('[');
- push_debuginfo_type_name(cx, inner_type, true, output);
-
- match optional_length {
- Some(len) => {
- output.push_str(&format!("; {}", len));
- }
- None => { /* nothing to do */ }
- };
-
- output.push(']');
- },
- ty::ty_trait(ref trait_data) => {
- let principal = ty::erase_late_bound_regions(cx.tcx(), &trait_data.principal);
- push_item_name(cx, principal.def_id, false, output);
- push_type_params(cx, principal.substs, output);
- },
- ty::ty_bare_fn(_, &ty::BareFnTy{ unsafety, abi, ref sig } ) => {
- if unsafety == ast::Unsafety::Unsafe {
- output.push_str("unsafe ");
- }
-
- if abi != ::syntax::abi::Rust {
- output.push_str("extern \"");
- output.push_str(abi.name());
- output.push_str("\" ");
- }
-
- output.push_str("fn(");
-
- let sig = ty::erase_late_bound_regions(cx.tcx(), sig);
- if !sig.inputs.is_empty() {
- for ¶meter_type in &sig.inputs {
- push_debuginfo_type_name(cx, parameter_type, true, output);
- output.push_str(", ");
- }
- output.pop();
- output.pop();
- }
-
- if sig.variadic {
- if !sig.inputs.is_empty() {
- output.push_str(", ...");
- } else {
- output.push_str("...");
- }
- }
-
- output.push(')');
-
- match sig.output {
- ty::FnConverging(result_type) if ty::type_is_nil(result_type) => {}
- ty::FnConverging(result_type) => {
- output.push_str(" -> ");
- push_debuginfo_type_name(cx, result_type, true, output);
- }
- ty::FnDiverging => {
- output.push_str(" -> !");
- }
- }
- },
- ty::ty_closure(..) => {
- output.push_str("closure");
- }
- ty::ty_err |
- ty::ty_infer(_) |
- ty::ty_projection(..) |
- ty::ty_param(_) => {
- cx.sess().bug(&format!("debuginfo: Trying to create type name for \
- unexpected type: {}", ppaux::ty_to_string(cx.tcx(), t)));
- }
- }
-
- fn push_item_name(cx: &CrateContext,
- def_id: ast::DefId,
- qualified: bool,
- output: &mut String) {
- ty::with_path(cx.tcx(), def_id, |path| {
- if qualified {
- if def_id.krate == ast::LOCAL_CRATE {
- output.push_str(crate_root_namespace(cx));
- output.push_str("::");
- }
-
- let mut path_element_count = 0;
- for path_element in path {
- let name = token::get_name(path_element.name());
- output.push_str(&name);
- output.push_str("::");
- path_element_count += 1;
- }
-
- if path_element_count == 0 {
- cx.sess().bug("debuginfo: Encountered empty item path!");
- }
-
- output.pop();
- output.pop();
- } else {
- let name = token::get_name(path.last()
- .expect("debuginfo: Empty item path?")
- .name());
- output.push_str(&name);
- }
- });
- }
-
- // Pushes the type parameters in the given `Substs` to the output string.
- // This ignores region parameters, since they can't reliably be
- // reconstructed for items from non-local crates. For local crates, this
- // would be possible but with inlining and LTO we have to use the least
- // common denominator - otherwise we would run into conflicts.
- fn push_type_params<'a, 'tcx>(cx: &CrateContext<'a, 'tcx>,
- substs: &subst::Substs<'tcx>,
- output: &mut String) {
- if substs.types.is_empty() {
- return;
- }
-
- output.push('<');
-
- for &type_parameter in substs.types.iter() {
- push_debuginfo_type_name(cx, type_parameter, true, output);
- output.push_str(", ");
- }
-
- output.pop();
- output.pop();
-
- output.push('>');
- }
-}
--- /dev/null
+// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://!rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://!www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://!opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// Type Names for Debug Info
+
+use super::namespace::crate_root_namespace;
+
+use trans::common::CrateContext;
+use middle::subst::{self, Substs};
+use middle::ty::{self, Ty, ClosureTyper};
+use syntax::ast;
+use syntax::parse::token;
+use util::ppaux;
+
+
+// Compute the name of the type as it should be stored in debuginfo. Does not do
+// any caching, i.e. calling the function twice with the same type will also do
+// the work twice. The `qualified` parameter only affects the first level of the
+// type name, further levels (i.e. type parameters) are always fully qualified.
+pub fn compute_debuginfo_type_name<'a, 'tcx>(cx: &CrateContext<'a, 'tcx>,
+ t: Ty<'tcx>,
+ qualified: bool)
+ -> String {
+ let mut result = String::with_capacity(64);
+ push_debuginfo_type_name(cx, t, qualified, &mut result);
+ result
+}
+
+// Pushes the name of the type as it should be stored in debuginfo on the
+// `output` String. See also compute_debuginfo_type_name().
+pub fn push_debuginfo_type_name<'a, 'tcx>(cx: &CrateContext<'a, 'tcx>,
+ t: Ty<'tcx>,
+ qualified: bool,
+ output: &mut String) {
+ match t.sty {
+ ty::ty_bool => output.push_str("bool"),
+ ty::ty_char => output.push_str("char"),
+ ty::ty_str => output.push_str("str"),
+ ty::ty_int(ast::TyIs) => output.push_str("isize"),
+ ty::ty_int(ast::TyI8) => output.push_str("i8"),
+ ty::ty_int(ast::TyI16) => output.push_str("i16"),
+ ty::ty_int(ast::TyI32) => output.push_str("i32"),
+ ty::ty_int(ast::TyI64) => output.push_str("i64"),
+ ty::ty_uint(ast::TyUs) => output.push_str("usize"),
+ ty::ty_uint(ast::TyU8) => output.push_str("u8"),
+ ty::ty_uint(ast::TyU16) => output.push_str("u16"),
+ ty::ty_uint(ast::TyU32) => output.push_str("u32"),
+ ty::ty_uint(ast::TyU64) => output.push_str("u64"),
+ ty::ty_float(ast::TyF32) => output.push_str("f32"),
+ ty::ty_float(ast::TyF64) => output.push_str("f64"),
+ ty::ty_struct(def_id, substs) |
+ ty::ty_enum(def_id, substs) => {
+ push_item_name(cx, def_id, qualified, output);
+ push_type_params(cx, substs, output);
+ },
+ ty::ty_tup(ref component_types) => {
+ output.push('(');
+ for &component_type in component_types {
+ push_debuginfo_type_name(cx, component_type, true, output);
+ output.push_str(", ");
+ }
+ if !component_types.is_empty() {
+ output.pop();
+ output.pop();
+ }
+ output.push(')');
+ },
+ ty::ty_uniq(inner_type) => {
+ output.push_str("Box<");
+ push_debuginfo_type_name(cx, inner_type, true, output);
+ output.push('>');
+ },
+ ty::ty_ptr(ty::mt { ty: inner_type, mutbl } ) => {
+ output.push('*');
+ match mutbl {
+ ast::MutImmutable => output.push_str("const "),
+ ast::MutMutable => output.push_str("mut "),
+ }
+
+ push_debuginfo_type_name(cx, inner_type, true, output);
+ },
+ ty::ty_rptr(_, ty::mt { ty: inner_type, mutbl }) => {
+ output.push('&');
+ if mutbl == ast::MutMutable {
+ output.push_str("mut ");
+ }
+
+ push_debuginfo_type_name(cx, inner_type, true, output);
+ },
+ ty::ty_vec(inner_type, optional_length) => {
+ output.push('[');
+ push_debuginfo_type_name(cx, inner_type, true, output);
+
+ match optional_length {
+ Some(len) => {
+ output.push_str(&format!("; {}", len));
+ }
+ None => { /* nothing to do */ }
+ };
+
+ output.push(']');
+ },
+ ty::ty_trait(ref trait_data) => {
+ let principal = ty::erase_late_bound_regions(cx.tcx(), &trait_data.principal);
+ push_item_name(cx, principal.def_id, false, output);
+ push_type_params(cx, principal.substs, output);
+ },
+ ty::ty_bare_fn(_, &ty::BareFnTy{ unsafety, abi, ref sig } ) => {
+ if unsafety == ast::Unsafety::Unsafe {
+ output.push_str("unsafe ");
+ }
+
+ if abi != ::syntax::abi::Rust {
+ output.push_str("extern \"");
+ output.push_str(abi.name());
+ output.push_str("\" ");
+ }
+
+ output.push_str("fn(");
+
+ let sig = ty::erase_late_bound_regions(cx.tcx(), sig);
+ if !sig.inputs.is_empty() {
+ for ¶meter_type in &sig.inputs {
+ push_debuginfo_type_name(cx, parameter_type, true, output);
+ output.push_str(", ");
+ }
+ output.pop();
+ output.pop();
+ }
+
+ if sig.variadic {
+ if !sig.inputs.is_empty() {
+ output.push_str(", ...");
+ } else {
+ output.push_str("...");
+ }
+ }
+
+ output.push(')');
+
+ match sig.output {
+ ty::FnConverging(result_type) if ty::type_is_nil(result_type) => {}
+ ty::FnConverging(result_type) => {
+ output.push_str(" -> ");
+ push_debuginfo_type_name(cx, result_type, true, output);
+ }
+ ty::FnDiverging => {
+ output.push_str(" -> !");
+ }
+ }
+ },
+ ty::ty_closure(..) => {
+ output.push_str("closure");
+ }
+ ty::ty_err |
+ ty::ty_infer(_) |
+ ty::ty_projection(..) |
+ ty::ty_param(_) => {
+ cx.sess().bug(&format!("debuginfo: Trying to create type name for \
+ unexpected type: {}", ppaux::ty_to_string(cx.tcx(), t)));
+ }
+ }
+
+ fn push_item_name(cx: &CrateContext,
+ def_id: ast::DefId,
+ qualified: bool,
+ output: &mut String) {
+ ty::with_path(cx.tcx(), def_id, |path| {
+ if qualified {
+ if def_id.krate == ast::LOCAL_CRATE {
+ output.push_str(crate_root_namespace(cx));
+ output.push_str("::");
+ }
+
+ let mut path_element_count = 0;
+ for path_element in path {
+ let name = token::get_name(path_element.name());
+ output.push_str(&name);
+ output.push_str("::");
+ path_element_count += 1;
+ }
+
+ if path_element_count == 0 {
+ cx.sess().bug("debuginfo: Encountered empty item path!");
+ }
+
+ output.pop();
+ output.pop();
+ } else {
+ let name = token::get_name(path.last()
+ .expect("debuginfo: Empty item path?")
+ .name());
+ output.push_str(&name);
+ }
+ });
+ }
+
+ // Pushes the type parameters in the given `Substs` to the output string.
+ // This ignores region parameters, since they can't reliably be
+ // reconstructed for items from non-local crates. For local crates, this
+ // would be possible but with inlining and LTO we have to use the least
+ // common denominator - otherwise we would run into conflicts.
+ fn push_type_params<'a, 'tcx>(cx: &CrateContext<'a, 'tcx>,
+ substs: &subst::Substs<'tcx>,
+ output: &mut String) {
+ if substs.types.is_empty() {
+ return;
+ }
+
+ output.push('<');
+
+ for &type_parameter in substs.types.iter() {
+ push_debuginfo_type_name(cx, type_parameter, true, output);
+ output.push_str(", ");
+ }
+
+ output.pop();
+ output.pop();
+
+ output.push('>');
+ }
+}
+
projects / rust.git / commitdiff