rustc_codegen_ssa: move debuginfo-related things to a new mir::debuginfo module.

1 files changed, 1 insertions, 81 deletions

diff --git a/src/librustc_codegen_ssa/debuginfo/mod.rs b/src/librustc_codegen_ssa/debuginfo/mod.rs
index c9b1c0260e8..d1a0cf78d6a 100644
--- a/src/librustc_codegen_ssa/debuginfo/mod.rs
+++ b/src/librustc_codegen_ssa/debuginfo/mod.rs
@@ -1,82 +1,2 @@
-use syntax_pos::{BytePos, Span};
-use rustc::hir::def_id::CrateNum;
-
+// FIXME(eddyb) find a place for this (or a way to replace it).
 pub mod type_names;
-
-pub enum FunctionDebugContext<D> {
-    RegularContext(FunctionDebugContextData<D>),
-    DebugInfoDisabled,
-    FunctionWithoutDebugInfo,
-}
-
-impl<D> FunctionDebugContext<D> {
-    pub fn get_ref(&self, span: Span) -> &FunctionDebugContextData<D> {
-        match *self {
-            FunctionDebugContext::RegularContext(ref data) => data,
-            FunctionDebugContext::DebugInfoDisabled => {
-                span_bug!(
-                    span,
-                    "debuginfo: Error trying to access FunctionDebugContext \
-                     although debug info is disabled!",
-                );
-            }
-            FunctionDebugContext::FunctionWithoutDebugInfo => {
-                span_bug!(
-                    span,
-                    "debuginfo: Error trying to access FunctionDebugContext \
-                     for function that should be ignored by debug info!",
-                );
-            }
-        }
-    }
-}
-
-/// Enables emitting source locations for the given functions.
-///
-/// Since we don't want source locations to be emitted for the function prelude,
-/// they are disabled when beginning to codegen a new function. This functions
-/// switches source location emitting on and must therefore be called before the
-/// first real statement/expression of the function is codegened.
-pub fn start_emitting_source_locations<D>(dbg_context: &mut FunctionDebugContext<D>) {
-    match *dbg_context {
-        FunctionDebugContext::RegularContext(ref mut data) => {
-            data.source_locations_enabled = true;
-        },
-        _ => { /* safe to ignore */ }
-    }
-}
-
-pub struct FunctionDebugContextData<D> {
-    pub fn_metadata: D,
-    pub source_locations_enabled: bool,
-    pub defining_crate: CrateNum,
-}
-
-pub enum VariableAccess<'a, V> {
-    // The llptr given is an alloca containing the variable's value
-    DirectVariable { alloca: V },
-    // The llptr given is an alloca containing the start of some pointer chain
-    // leading to the variable's content.
-    IndirectVariable { alloca: V, address_operations: &'a [i64] }
-}
-
-pub enum VariableKind {
-    ArgumentVariable(usize /*index*/),
-    LocalVariable,
-}
-
-
-#[derive(Clone, Copy, Debug)]
-pub struct MirDebugScope<D> {
-    pub scope_metadata: Option<D>,
-    // Start and end offsets of the file to which this DIScope belongs.
-    // These are used to quickly determine whether some span refers to the same file.
-    pub file_start_pos: BytePos,
-    pub file_end_pos: BytePos,
-}
-
-impl<D> MirDebugScope<D> {
-    pub fn is_valid(&self) -> bool {
-        !self.scope_metadata.is_none()
-    }
-}