diff options
Diffstat (limited to 'gcc/rust/hir/rust-ast-lower-expr.cc')
| -rw-r--r-- | gcc/rust/hir/rust-ast-lower-expr.cc | 135 |
1 files changed, 119 insertions, 16 deletions
diff --git a/gcc/rust/hir/rust-ast-lower-expr.cc b/gcc/rust/hir/rust-ast-lower-expr.cc index 3784e74..4ed51d9 100644 --- a/gcc/rust/hir/rust-ast-lower-expr.cc +++ b/gcc/rust/hir/rust-ast-lower-expr.cc @@ -24,7 +24,9 @@ #include "rust-ast-lower-pattern.h" #include "rust-ast-lower-type.h" #include "rust-ast.h" +#include "rust-builtin-ast-nodes.h" #include "rust-diagnostics.h" +#include "rust-hir-map.h" #include "rust-system.h" #include "tree/rust-hir-expr.h" @@ -127,6 +129,50 @@ ASTLoweringExpr::visit (AST::BlockExpr &expr) } void +ASTLoweringExpr::visit (AST::AnonConst &expr) +{ + auto &mappings = Analysis::Mappings::get (); + auto crate_num = mappings.get_current_crate (); + auto mapping = Analysis::NodeMapping (crate_num, expr.get_node_id (), + mappings.get_next_hir_id (crate_num), + UNKNOWN_LOCAL_DEFID); + + if (expr.is_deferred ()) + { + translated = new HIR::AnonConst (std::move (mapping), expr.get_locus ()); + } + else + { + auto inner_expr = ASTLoweringExpr::translate (expr.get_inner_expr ()); + + translated = new HIR::AnonConst (std::move (mapping), + std::unique_ptr<Expr> (inner_expr), + expr.get_locus ()); + } +} + +void +ASTLoweringExpr::visit (AST::ConstBlock &expr) +{ + auto inner_expr = ASTLoweringExpr::translate (expr.get_const_expr ()); + + // we know this will always be an `AnonConst`, or we have an issue. Let's + // assert just to be sure. + rust_assert (inner_expr->get_expression_type () == Expr::ExprType::AnonConst); + auto anon_const = static_cast<AnonConst *> (inner_expr); + + auto &mappings = Analysis::Mappings::get (); + auto crate_num = mappings.get_current_crate (); + auto mapping = Analysis::NodeMapping (crate_num, expr.get_node_id (), + mappings.get_next_hir_id (crate_num), + UNKNOWN_LOCAL_DEFID); + + translated + = new HIR::ConstBlock (std::move (mapping), std::move (*anon_const), + expr.get_locus (), expr.get_outer_attrs ()); +} + +void ASTLoweringExpr::visit (AST::UnsafeBlockExpr &expr) { translated = ASTLoweringBlock::translate (expr, &terminated); @@ -589,12 +635,6 @@ ASTLoweringExpr::visit (AST::WhileLoopExpr &expr) } void -ASTLoweringExpr::visit (AST::ForLoopExpr &expr) -{ - rust_unreachable (); -} - -void ASTLoweringExpr::visit (AST::BreakExpr &expr) { tl::optional<HIR::Lifetime> break_label = tl::nullopt; @@ -798,7 +838,7 @@ ASTLoweringExpr::visit (AST::ClosureExprInnerTyped &expr) { HIR::Type *closure_return_type = nullptr; HIR::Expr *closure_expr - = ASTLoweringExpr::translate (expr.get_definition_block ()); + = ASTLoweringExpr::translate (expr.get_definition_expr ()); std::vector<HIR::ClosureParam> closure_params; for (auto ¶m : expr.get_params ()) @@ -841,6 +881,7 @@ translate_operand_out (const AST::InlineAsmOperand &operand) *out_value.expr.get ()))); return out; } + HIR::InlineAsmOperand translate_operand_inout (const AST::InlineAsmOperand &operand) { @@ -851,6 +892,7 @@ translate_operand_inout (const AST::InlineAsmOperand &operand) *inout_value.expr.get ()))); return inout; } + HIR::InlineAsmOperand translate_operand_split_in_out (const AST::InlineAsmOperand &operand) { @@ -863,19 +905,21 @@ translate_operand_split_in_out (const AST::InlineAsmOperand &operand) ASTLoweringExpr::translate (*split_in_out_value.out_expr.get ()))); return split_in_out; } + HIR::InlineAsmOperand translate_operand_const (const AST::InlineAsmOperand &operand) { auto const_value = operand.get_const (); - struct HIR::AnonConst anon_const (const_value.anon_const.id, - std::unique_ptr<Expr> ( - ASTLoweringExpr::translate ( - *const_value.anon_const.expr.get ()))); - struct HIR::InlineAsmOperand::Const cnst - { - anon_const - }; - return cnst; + + auto inner_expr = ASTLoweringExpr::translate (const_value.anon_const); + + // Like `ConstBlock`, we know this should only be an `AnonConst` - let's + // assert to make sure and static cast + rust_assert (inner_expr->get_expression_type () == Expr::ExprType::AnonConst); + + auto anon_const = static_cast<AnonConst *> (inner_expr); + + return HIR::InlineAsmOperand::Const{*anon_const}; } HIR::InlineAsmOperand @@ -955,6 +999,50 @@ ASTLoweringExpr::visit (AST::InlineAsm &expr) hir_operands, expr.get_clobber_abi (), expr.get_options (), mapping); } + +void +ASTLoweringExpr::visit (AST::LlvmInlineAsm &expr) +{ + auto crate_num = mappings.get_current_crate (); + Analysis::NodeMapping mapping (crate_num, expr.get_node_id (), + mappings.get_next_hir_id (crate_num), + mappings.get_next_localdef_id (crate_num)); + + std::vector<LlvmOperand> inputs; + std::vector<LlvmOperand> outputs; + + for (auto i : expr.get_inputs ()) + { + std::unique_ptr<Expr> inner_expr + = std::unique_ptr<Expr> (translate (*i.expr.get ())); + inputs.emplace_back (i.constraint, std::move (inner_expr)); + } + + for (auto o : expr.get_outputs ()) + { + std::unique_ptr<Expr> inner_expr + = std::unique_ptr<Expr> (translate (*o.expr.get ())); + outputs.emplace_back (o.constraint, std::move (inner_expr)); + } + + HIR::LlvmInlineAsm::Options options{expr.is_volatile (), + expr.is_stack_aligned (), + expr.get_dialect ()}; + + // We're not really supporting llvm_asm, only the bare minimum + // we're quite conservative here as the current code support more usecase. + rust_assert (outputs.size () == 0); + rust_assert (inputs.size () <= 1); + rust_assert (expr.get_clobbers ().size () <= 1); + rust_assert (expr.get_templates ().size () == 1); + rust_assert (expr.get_templates ()[0].symbol == ""); + + translated + = new HIR::LlvmInlineAsm (expr.get_locus (), inputs, outputs, + expr.get_templates (), expr.get_clobbers (), + options, expr.get_outer_attrs (), mapping); +} + void ASTLoweringExpr::visit (AST::FormatArgs &fmt) { @@ -962,5 +1050,20 @@ ASTLoweringExpr::visit (AST::FormatArgs &fmt) "FormatArgs lowering is not implemented yet"); } +void +ASTLoweringExpr::visit (AST::OffsetOf &offset_of) +{ + auto type = std::unique_ptr<Type> ( + ASTLoweringType::translate (offset_of.get_type ())); + + auto crate_num = mappings.get_current_crate (); + Analysis::NodeMapping mapping (crate_num, offset_of.get_node_id (), + mappings.get_next_hir_id (crate_num), + mappings.get_next_localdef_id (crate_num)); + + translated = new HIR::OffsetOf (std::move (type), offset_of.get_field (), + mapping, offset_of.get_locus ()); +} + } // namespace HIR } // namespace Rust |