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use super::BackendTypes;
use crate::debuginfo::{FunctionDebugContext, MirDebugScope, VariableAccess, VariableKind};
use rustc::hir::def_id::CrateNum;
use rustc::mir;
use rustc::ty::{self, Ty};
use rustc_data_structures::indexed_vec::IndexVec;
use rustc_mir::monomorphize::Instance;
use syntax::ast::Name;
use syntax_pos::{SourceFile, Span};
pub trait DebugInfoMethods<'tcx>: BackendTypes {
fn create_vtable_metadata(&self, ty: Ty<'tcx>, vtable: Self::Value);
/// Creates the function-specific debug context.
///
/// Returns the FunctionDebugContext for the function which holds state needed
/// for debug info creation. The function may also return another variant of the
/// FunctionDebugContext enum which indicates why no debuginfo should be created
/// for the function.
fn create_function_debug_context(
&self,
instance: Instance<'tcx>,
sig: ty::FnSig<'tcx>,
llfn: Self::Value,
mir: &mir::Mir<'_>,
) -> FunctionDebugContext<Self::DIScope>;
fn create_mir_scopes(
&self,
mir: &mir::Mir<'_>,
debug_context: &FunctionDebugContext<Self::DIScope>,
) -> IndexVec<mir::SourceScope, MirDebugScope<Self::DIScope>>;
fn extend_scope_to_file(
&self,
scope_metadata: Self::DIScope,
file: &SourceFile,
defining_crate: CrateNum,
) -> Self::DIScope;
fn debuginfo_finalize(&self);
fn debuginfo_upvar_decls_ops_sequence(&self, byte_offset_of_var_in_env: u64) -> [i64; 4];
}
pub trait DebugInfoBuilderMethods<'tcx>: BackendTypes {
fn declare_local(
&mut self,
dbg_context: &FunctionDebugContext<Self::DIScope>,
variable_name: Name,
variable_type: Ty<'tcx>,
scope_metadata: Self::DIScope,
variable_access: VariableAccess<'_, Self::Value>,
variable_kind: VariableKind,
span: Span,
);
fn set_source_location(
&mut self,
debug_context: &FunctionDebugContext<Self::DIScope>,
scope: Option<Self::DIScope>,
span: Span,
);
fn insert_reference_to_gdb_debug_scripts_section_global(&mut self);
}
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