--- /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.
+
+// Module-Internal debug info creation functions.
+
+use super::utils::{span_start, DIB};
+
+use super::{set_debug_location, type_metadata, file_metadata, DW_TAG_auto_variable, DW_TAG_arg_variable};
+use super::VariableKind::{self, ArgumentVariable, CapturedVariable, LocalVariable};
+use super::VariableAccess::{self, DirectVariable, IndirectVariable};
+use super::InternalDebugLocation::{self, UnknownLocation};
+
+use llvm;
+use llvm::debuginfo::{DIScope, DIBuilderRef, DIDescriptor, DIArray};
+
+use trans;
+use trans::common::{CrateContext, Block};
+use middle::ty::Ty;
+use session::config;
+
+use libc::c_uint;
+use std::ffi::CString;
+use syntax::codemap::{Span, Pos};
+use syntax::ast;
+use syntax::parse::token;
+
+pub fn is_node_local_to_unit(cx: &CrateContext, node_id: ast::NodeId) -> bool
+{
+ // The is_local_to_unit flag indicates whether a function is local to the
+ // current compilation unit (i.e. if it is *static* in the C-sense). The
+ // *reachable* set should provide a good approximation of this, as it
+ // contains everything that might leak out of the current crate (by being
+ // externally visible or by being inlined into something externally
+ // visible). It might better to use the `exported_items` set from
+ // `driver::CrateAnalysis` in the future, but (atm) this set is not
+ // available in the translation pass.
+ !cx.reachable().contains(&node_id)
+}
+
+#[allow(non_snake_case)]
+pub fn create_DIArray(builder: DIBuilderRef, arr: &[DIDescriptor]) -> DIArray {
+ return unsafe {
+ llvm::LLVMDIBuilderGetOrCreateArray(builder, arr.as_ptr(), arr.len() as u32)
+ };
+}
+
+pub fn declare_local<'blk, 'tcx>(bcx: Block<'blk, 'tcx>,
+ variable_name: ast::Name,
+ variable_type: Ty<'tcx>,
+ scope_metadata: DIScope,
+ variable_access: VariableAccess,
+ variable_kind: VariableKind,
+ span: Span) {
+ let cx: &CrateContext = bcx.ccx();
+
+ let filename = span_start(cx, span).file.name.clone();
+ let file_metadata = file_metadata(cx, &filename[..]);
+
+ let name = token::get_name(variable_name);
+ let loc = span_start(cx, span);
+ let type_metadata = type_metadata(cx, variable_type, span);
+
+ let (argument_index, dwarf_tag) = match variable_kind {
+ ArgumentVariable(index) => (index as c_uint, DW_TAG_arg_variable),
+ LocalVariable |
+ CapturedVariable => (0, DW_TAG_auto_variable)
+ };
+
+ let name = CString::new(name.as_bytes()).unwrap();
+ match (variable_access, &[][..]) {
+ (DirectVariable { alloca }, address_operations) |
+ (IndirectVariable {alloca, address_operations}, _) => {
+ let metadata = unsafe {
+ llvm::LLVMDIBuilderCreateVariable(
+ DIB(cx),
+ dwarf_tag,
+ scope_metadata,
+ name.as_ptr(),
+ file_metadata,
+ loc.line as c_uint,
+ type_metadata,
+ cx.sess().opts.optimize != config::No,
+ 0,
+ address_operations.as_ptr(),
+ address_operations.len() as c_uint,
+ argument_index)
+ };
+ set_debug_location(cx, InternalDebugLocation::new(scope_metadata,
+ loc.line,
+ loc.col.to_usize()));
+ unsafe {
+ let instr = llvm::LLVMDIBuilderInsertDeclareAtEnd(
+ DIB(cx),
+ alloca,
+ metadata,
+ address_operations.as_ptr(),
+ address_operations.len() as c_uint,
+ bcx.llbb);
+
+ llvm::LLVMSetInstDebugLocation(trans::build::B(bcx).llbuilder, instr);
+ }
+ }
+ }
+
+ match variable_kind {
+ ArgumentVariable(_) | CapturedVariable => {
+ assert!(!bcx.fcx
+ .debug_context
+ .get_ref(cx, span)
+ .source_locations_enabled
+ .get());
+ set_debug_location(cx, UnknownLocation);
+ }
+ _ => { /* nothing to do */ }
+ }
+}
+
pub mod gdb;
mod utils;
+mod create;
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::VariableAccess::*;
use self::VariableKind::*;
use llvm::debuginfo::*;
use metadata::csearch;
use middle::subst::{self, Substs};
-use trans::{self, adt, machine, type_of};
+use trans::{adt, machine, type_of};
use trans::common::{self, NodeIdAndSpan, CrateContext, FunctionContext, Block,
NormalizingClosureTyper};
use trans::_match::{BindingInfo, TrByCopy, TrByMove, TrByRef};
source_location_override: Cell<bool>,
}
-enum VariableAccess<'a> {
+pub enum VariableAccess<'a> {
// The llptr given is an alloca containing the variable's value
DirectVariable { alloca: ValueRef },
// The llptr given is an alloca containing the start of some pointer chain
IndirectVariable { alloca: ValueRef, address_operations: &'a [i64] }
}
-enum VariableKind {
+pub enum VariableKind {
ArgumentVariable(usize /*index*/),
LocalVariable,
CapturedVariable,
}
}
-//=-----------------------------------------------------------------------------
-// Module-Internal debug info creation functions
-//=-----------------------------------------------------------------------------
-
-fn is_node_local_to_unit(cx: &CrateContext, node_id: ast::NodeId) -> bool
-{
- // The is_local_to_unit flag indicates whether a function is local to the
- // current compilation unit (i.e. if it is *static* in the C-sense). The
- // *reachable* set should provide a good approximation of this, as it
- // contains everything that might leak out of the current crate (by being
- // externally visible or by being inlined into something externally
- // visible). It might better to use the `exported_items` set from
- // `driver::CrateAnalysis` in the future, but (atm) this set is not
- // available in the translation pass.
- !cx.reachable().contains(&node_id)
-}
-
-#[allow(non_snake_case)]
-fn create_DIArray(builder: DIBuilderRef, arr: &[DIDescriptor]) -> DIArray {
- return unsafe {
- llvm::LLVMDIBuilderGetOrCreateArray(builder, arr.as_ptr(), arr.len() as u32)
- };
-}
fn compile_unit_metadata(cx: &CrateContext) -> DIDescriptor {
let work_dir = &cx.sess().working_dir;
}
}
-fn declare_local<'blk, 'tcx>(bcx: Block<'blk, 'tcx>,
- variable_name: ast::Name,
- variable_type: Ty<'tcx>,
- scope_metadata: DIScope,
- variable_access: VariableAccess,
- variable_kind: VariableKind,
- span: Span) {
- let cx: &CrateContext = bcx.ccx();
-
- let filename = span_start(cx, span).file.name.clone();
- let file_metadata = file_metadata(cx, &filename[..]);
-
- let name = token::get_name(variable_name);
- let loc = span_start(cx, span);
- let type_metadata = type_metadata(cx, variable_type, span);
-
- let (argument_index, dwarf_tag) = match variable_kind {
- ArgumentVariable(index) => (index as c_uint, DW_TAG_arg_variable),
- LocalVariable |
- CapturedVariable => (0, DW_TAG_auto_variable)
- };
-
- let name = CString::new(name.as_bytes()).unwrap();
- match (variable_access, &[][..]) {
- (DirectVariable { alloca }, address_operations) |
- (IndirectVariable {alloca, address_operations}, _) => {
- let metadata = unsafe {
- llvm::LLVMDIBuilderCreateVariable(
- DIB(cx),
- dwarf_tag,
- scope_metadata,
- name.as_ptr(),
- file_metadata,
- loc.line as c_uint,
- type_metadata,
- cx.sess().opts.optimize != config::No,
- 0,
- address_operations.as_ptr(),
- address_operations.len() as c_uint,
- argument_index)
- };
- set_debug_location(cx, InternalDebugLocation::new(scope_metadata,
- loc.line,
- loc.col.to_usize()));
- unsafe {
- let instr = llvm::LLVMDIBuilderInsertDeclareAtEnd(
- DIB(cx),
- alloca,
- metadata,
- address_operations.as_ptr(),
- address_operations.len() as c_uint,
- bcx.llbb);
-
- llvm::LLVMSetInstDebugLocation(trans::build::B(bcx).llbuilder, instr);
- }
- }
- }
-
- match variable_kind {
- ArgumentVariable(_) | CapturedVariable => {
- assert!(!bcx.fcx
- .debug_context
- .get_ref(cx, span)
- .source_locations_enabled
- .get());
- set_debug_location(cx, UnknownLocation);
- }
- _ => { /* nothing to do */ }
- }
-}
fn file_metadata(cx: &CrateContext, full_path: &str) -> DIFile {
match debug_context(cx).created_files.borrow().get(full_path) {
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