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-rw-r--r--gcc/rust/backend/rust-compile-base.h249
-rw-r--r--gcc/rust/backend/rust-compile-context.h247
-rw-r--r--gcc/rust/backend/rust-compile-expr.h285
-rw-r--r--gcc/rust/backend/rust-compile-item.h180
-rw-r--r--gcc/rust/backend/rust-compile-resolve-path.cc81
-rw-r--r--gcc/rust/backend/rust-compile-resolve-path.h52
-rw-r--r--gcc/rust/backend/rust-compile-stmt.h85
-rw-r--r--gcc/rust/backend/rust-compile-tyty.h247
-rw-r--r--gcc/rust/backend/rust-compile-var-decl.h69
-rw-r--r--gcc/rust/backend/rust-compile.cc1506
-rw-r--r--gcc/rust/backend/rust-compile.h272
11 files changed, 1552 insertions, 1721 deletions
diff --git a/gcc/rust/backend/rust-compile-base.h b/gcc/rust/backend/rust-compile-base.h
new file mode 100644
index 0000000..6410fd4
--- /dev/null
+++ b/gcc/rust/backend/rust-compile-base.h
@@ -0,0 +1,249 @@
+
+
+// This file is part of GCC.
+
+// GCC is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free
+// Software Foundation; either version 3, or (at your option) any later
+// version.
+
+// GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+// for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with GCC; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#ifndef RUST_COMPILE_BASE
+#define RUST_COMPILE_BASE
+
+#include "rust-compile-context.h"
+#include "rust-hir-visitor.h"
+#include "rust-hir-full.h"
+
+namespace Rust {
+namespace Compile {
+
+class HIRCompileBase : public HIR::HIRVisitor
+{
+public:
+ virtual ~HIRCompileBase () {}
+
+ // rust-ast.h
+ // virtual void visit(AttrInput& attr_input) {}
+ // virtual void visit(TokenTree& token_tree) {}
+ // virtual void visit(MacroMatch& macro_match) {}
+ virtual void visit (HIR::Token &tok) {}
+ virtual void visit (HIR::DelimTokenTree &delim_tok_tree) {}
+ virtual void visit (HIR::AttrInputMetaItemContainer &input) {}
+ // virtual void visit(MetaItem& meta_item) {}
+ // virtual void visit(Stmt& stmt) {}
+ // virtual void visit(Expr& expr) {}
+ virtual void visit (HIR::IdentifierExpr &ident_expr) {}
+ // virtual void visit(Pattern& pattern) {}
+ // virtual void visit(Type& type) {}
+ // virtual void visit(TypeParamBound& type_param_bound) {}
+ virtual void visit (HIR::Lifetime &lifetime) {}
+ // virtual void visit(GenericParam& generic_param) {}
+ virtual void visit (HIR::LifetimeParam &lifetime_param) {}
+ // virtual void visit(TraitItem& trait_item) {}
+ // virtual void visit(InherentImplItem& inherent_impl_item) {}
+ // virtual void visit(TraitImplItem& trait_impl_item) {}
+ virtual void visit (HIR::MacroInvocationSemi &macro) {}
+
+ // rust-path.h
+ virtual void visit (HIR::PathInExpression &path) {}
+ virtual void visit (HIR::TypePathSegment &segment) {}
+ virtual void visit (HIR::TypePathSegmentGeneric &segment) {}
+ virtual void visit (HIR::TypePathSegmentFunction &segment) {}
+ virtual void visit (HIR::TypePath &path) {}
+ virtual void visit (HIR::QualifiedPathInExpression &path) {}
+ virtual void visit (HIR::QualifiedPathInType &path) {}
+
+ // rust-expr.h
+ virtual void visit (HIR::LiteralExpr &expr) {}
+ virtual void visit (HIR::AttrInputLiteral &attr_input) {}
+ virtual void visit (HIR::MetaItemLitExpr &meta_item) {}
+ virtual void visit (HIR::MetaItemPathLit &meta_item) {}
+ virtual void visit (HIR::BorrowExpr &expr) {}
+ virtual void visit (HIR::DereferenceExpr &expr) {}
+ virtual void visit (HIR::ErrorPropagationExpr &expr) {}
+ virtual void visit (HIR::NegationExpr &expr) {}
+ virtual void visit (HIR::ArithmeticOrLogicalExpr &expr) {}
+ virtual void visit (HIR::ComparisonExpr &expr) {}
+ virtual void visit (HIR::LazyBooleanExpr &expr) {}
+ virtual void visit (HIR::TypeCastExpr &expr) {}
+ virtual void visit (HIR::AssignmentExpr &expr) {}
+ virtual void visit (HIR::CompoundAssignmentExpr &expr) {}
+ virtual void visit (HIR::GroupedExpr &expr) {}
+ // virtual void visit(ArrayElems& elems) {}
+ virtual void visit (HIR::ArrayElemsValues &elems) {}
+ virtual void visit (HIR::ArrayElemsCopied &elems) {}
+ virtual void visit (HIR::ArrayExpr &expr) {}
+ virtual void visit (HIR::ArrayIndexExpr &expr) {}
+ virtual void visit (HIR::TupleExpr &expr) {}
+ virtual void visit (HIR::TupleIndexExpr &expr) {}
+ virtual void visit (HIR::StructExprStruct &expr) {}
+ // virtual void visit(StructExprField& field) {}
+ virtual void visit (HIR::StructExprFieldIdentifier &field) {}
+ virtual void visit (HIR::StructExprFieldIdentifierValue &field) {}
+ virtual void visit (HIR::StructExprFieldIndexValue &field) {}
+ virtual void visit (HIR::StructExprStructFields &expr) {}
+ virtual void visit (HIR::StructExprStructBase &expr) {}
+ virtual void visit (HIR::StructExprTuple &expr) {}
+ virtual void visit (HIR::StructExprUnit &expr) {}
+ // virtual void visit(EnumExprField& field) {}
+ virtual void visit (HIR::EnumExprFieldIdentifier &field) {}
+ virtual void visit (HIR::EnumExprFieldIdentifierValue &field) {}
+ virtual void visit (HIR::EnumExprFieldIndexValue &field) {}
+ virtual void visit (HIR::EnumExprStruct &expr) {}
+ virtual void visit (HIR::EnumExprTuple &expr) {}
+ virtual void visit (HIR::EnumExprFieldless &expr) {}
+ virtual void visit (HIR::CallExpr &expr) {}
+ virtual void visit (HIR::MethodCallExpr &expr) {}
+ virtual void visit (HIR::FieldAccessExpr &expr) {}
+ virtual void visit (HIR::ClosureExprInner &expr) {}
+ virtual void visit (HIR::BlockExpr &expr) {}
+ virtual void visit (HIR::ClosureExprInnerTyped &expr) {}
+ virtual void visit (HIR::ContinueExpr &expr) {}
+ virtual void visit (HIR::BreakExpr &expr) {}
+ virtual void visit (HIR::RangeFromToExpr &expr) {}
+ virtual void visit (HIR::RangeFromExpr &expr) {}
+ virtual void visit (HIR::RangeToExpr &expr) {}
+ virtual void visit (HIR::RangeFullExpr &expr) {}
+ virtual void visit (HIR::RangeFromToInclExpr &expr) {}
+ virtual void visit (HIR::RangeToInclExpr &expr) {}
+ virtual void visit (HIR::ReturnExpr &expr) {}
+ virtual void visit (HIR::UnsafeBlockExpr &expr) {}
+ virtual void visit (HIR::LoopExpr &expr) {}
+ virtual void visit (HIR::WhileLoopExpr &expr) {}
+ virtual void visit (HIR::WhileLetLoopExpr &expr) {}
+ virtual void visit (HIR::ForLoopExpr &expr) {}
+ virtual void visit (HIR::IfExpr &expr) {}
+ virtual void visit (HIR::IfExprConseqElse &expr) {}
+ virtual void visit (HIR::IfExprConseqIf &expr) {}
+ virtual void visit (HIR::IfExprConseqIfLet &expr) {}
+ virtual void visit (HIR::IfLetExpr &expr) {}
+ virtual void visit (HIR::IfLetExprConseqElse &expr) {}
+ virtual void visit (HIR::IfLetExprConseqIf &expr) {}
+ virtual void visit (HIR::IfLetExprConseqIfLet &expr) {}
+ // virtual void visit(MatchCase& match_case) {}
+ // virtual void visit (HIR::MatchCaseBlockExpr &match_case) {}
+ // virtual void visit (HIR::MatchCaseExpr &match_case) {}
+ virtual void visit (HIR::MatchExpr &expr) {}
+ virtual void visit (HIR::AwaitExpr &expr) {}
+ virtual void visit (HIR::AsyncBlockExpr &expr) {}
+
+ // rust-item.h
+ virtual void visit (HIR::TypeParam &param) {}
+ // virtual void visit(WhereClauseItem& item) {}
+ virtual void visit (HIR::LifetimeWhereClauseItem &item) {}
+ virtual void visit (HIR::TypeBoundWhereClauseItem &item) {}
+ virtual void visit (HIR::Method &method) {}
+ virtual void visit (HIR::ModuleBodied &module) {}
+ virtual void visit (HIR::ModuleNoBody &module) {}
+ virtual void visit (HIR::ExternCrate &crate) {}
+ // virtual void visit(UseTree& use_tree) {}
+ virtual void visit (HIR::UseTreeGlob &use_tree) {}
+ virtual void visit (HIR::UseTreeList &use_tree) {}
+ virtual void visit (HIR::UseTreeRebind &use_tree) {}
+ virtual void visit (HIR::UseDeclaration &use_decl) {}
+ virtual void visit (HIR::Function &function) {}
+ virtual void visit (HIR::TypeAlias &type_alias) {}
+ virtual void visit (HIR::StructStruct &struct_item) {}
+ virtual void visit (HIR::TupleStruct &tuple_struct) {}
+ virtual void visit (HIR::EnumItem &item) {}
+ virtual void visit (HIR::EnumItemTuple &item) {}
+ virtual void visit (HIR::EnumItemStruct &item) {}
+ virtual void visit (HIR::EnumItemDiscriminant &item) {}
+ virtual void visit (HIR::Enum &enum_item) {}
+ virtual void visit (HIR::Union &union_item) {}
+ virtual void visit (HIR::ConstantItem &const_item) {}
+ virtual void visit (HIR::StaticItem &static_item) {}
+ virtual void visit (HIR::TraitItemFunc &item) {}
+ virtual void visit (HIR::TraitItemMethod &item) {}
+ virtual void visit (HIR::TraitItemConst &item) {}
+ virtual void visit (HIR::TraitItemType &item) {}
+ virtual void visit (HIR::Trait &trait) {}
+ virtual void visit (HIR::InherentImpl &impl) {}
+ virtual void visit (HIR::TraitImpl &impl) {}
+ // virtual void visit(ExternalItem& item) {}
+ virtual void visit (HIR::ExternalStaticItem &item) {}
+ virtual void visit (HIR::ExternalFunctionItem &item) {}
+ virtual void visit (HIR::ExternBlock &block) {}
+
+ // rust-macro.h
+ virtual void visit (HIR::MacroMatchFragment &match) {}
+ virtual void visit (HIR::MacroMatchRepetition &match) {}
+ virtual void visit (HIR::MacroMatcher &matcher) {}
+ virtual void visit (HIR::MacroRulesDefinition &rules_def) {}
+ virtual void visit (HIR::MacroInvocation &macro_invoc) {}
+ virtual void visit (HIR::MetaItemPath &meta_item) {}
+ virtual void visit (HIR::MetaItemSeq &meta_item) {}
+ virtual void visit (HIR::MetaWord &meta_item) {}
+ virtual void visit (HIR::MetaNameValueStr &meta_item) {}
+ virtual void visit (HIR::MetaListPaths &meta_item) {}
+ virtual void visit (HIR::MetaListNameValueStr &meta_item) {}
+
+ // rust-pattern.h
+ virtual void visit (HIR::LiteralPattern &pattern) {}
+ virtual void visit (HIR::IdentifierPattern &pattern) {}
+ virtual void visit (HIR::WildcardPattern &pattern) {}
+ // virtual void visit(RangePatternBound& bound) {}
+ virtual void visit (HIR::RangePatternBoundLiteral &bound) {}
+ virtual void visit (HIR::RangePatternBoundPath &bound) {}
+ virtual void visit (HIR::RangePatternBoundQualPath &bound) {}
+ virtual void visit (HIR::RangePattern &pattern) {}
+ virtual void visit (HIR::ReferencePattern &pattern) {}
+ // virtual void visit(StructPatternField& field) {}
+ virtual void visit (HIR::StructPatternFieldTuplePat &field) {}
+ virtual void visit (HIR::StructPatternFieldIdentPat &field) {}
+ virtual void visit (HIR::StructPatternFieldIdent &field) {}
+ virtual void visit (HIR::StructPattern &pattern) {}
+ // virtual void visit(TupleStructItems& tuple_items) {}
+ virtual void visit (HIR::TupleStructItemsNoRange &tuple_items) {}
+ virtual void visit (HIR::TupleStructItemsRange &tuple_items) {}
+ virtual void visit (HIR::TupleStructPattern &pattern) {}
+ // virtual void visit(TuplePatternItems& tuple_items) {}
+ virtual void visit (HIR::TuplePatternItemsMultiple &tuple_items) {}
+ virtual void visit (HIR::TuplePatternItemsRanged &tuple_items) {}
+ virtual void visit (HIR::TuplePattern &pattern) {}
+ virtual void visit (HIR::GroupedPattern &pattern) {}
+ virtual void visit (HIR::SlicePattern &pattern) {}
+
+ // rust-stmt.h
+ virtual void visit (HIR::EmptyStmt &stmt) {}
+ virtual void visit (HIR::LetStmt &stmt) {}
+ virtual void visit (HIR::ExprStmtWithoutBlock &stmt) {}
+ virtual void visit (HIR::ExprStmtWithBlock &stmt) {}
+
+ // rust-type.h
+ virtual void visit (HIR::TraitBound &bound) {}
+ virtual void visit (HIR::ImplTraitType &type) {}
+ virtual void visit (HIR::TraitObjectType &type) {}
+ virtual void visit (HIR::ParenthesisedType &type) {}
+ virtual void visit (HIR::ImplTraitTypeOneBound &type) {}
+ virtual void visit (HIR::TraitObjectTypeOneBound &type) {}
+ virtual void visit (HIR::TupleType &type) {}
+ virtual void visit (HIR::NeverType &type) {}
+ virtual void visit (HIR::RawPointerType &type) {}
+ virtual void visit (HIR::ReferenceType &type) {}
+ virtual void visit (HIR::ArrayType &type) {}
+ virtual void visit (HIR::SliceType &type) {}
+ virtual void visit (HIR::InferredType &type) {}
+ virtual void visit (HIR::BareFunctionType &type) {}
+
+protected:
+ HIRCompileBase (Context *ctx) : ctx (ctx) {}
+
+ Context *get_context () { return ctx; }
+
+ Context *ctx;
+};
+
+} // namespace Compile
+} // namespace Rust
+
+#endif // RUST_COMPILE_BASE
diff --git a/gcc/rust/backend/rust-compile-context.h b/gcc/rust/backend/rust-compile-context.h
new file mode 100644
index 0000000..f890678
--- /dev/null
+++ b/gcc/rust/backend/rust-compile-context.h
@@ -0,0 +1,247 @@
+// Copyright (C) 2020 Free Software Foundation, Inc.
+
+// This file is part of GCC.
+
+// GCC is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free
+// Software Foundation; either version 3, or (at your option) any later
+// version.
+
+// GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+// for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with GCC; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#ifndef RUST_COMPILE_CONTEXT
+#define RUST_COMPILE_CONTEXT
+
+#include "rust-system.h"
+#include "rust-hir-map.h"
+#include "rust-name-resolver.h"
+#include "rust-hir-type-check.h"
+#include "rust-backend.h"
+#include "rust-compile-tyty.h"
+#include "rust-ast-full.h"
+
+namespace Rust {
+namespace Compile {
+
+struct fncontext
+{
+ ::Bfunction *fndecl;
+ ::Bvariable *ret_addr;
+};
+
+class Context
+{
+public:
+ Context (::Backend *backend)
+ : backend (backend), resolver (Resolver::Resolver::get ()),
+ tyctx (Resolver::TypeCheckContext::get ()),
+ mappings (Analysis::Mappings::get ())
+ {
+ // insert the builtins
+ auto builtins = resolver->get_builtin_types ();
+ for (auto it = builtins.begin (); it != builtins.end (); it++)
+ {
+ HirId ref;
+ rust_assert (
+ tyctx->lookup_type_by_node_id ((*it)->get_node_id (), &ref));
+
+ TyTy::TyBase *lookup;
+ rust_assert (tyctx->lookup_type (ref, &lookup));
+
+ auto compiled = TyTyCompile::compile (backend, lookup);
+ compiled_type_map[ref] = compiled;
+ }
+ }
+
+ ~Context () {}
+
+ bool lookup_compiled_types (HirId id, ::Btype **type)
+ {
+ auto it = compiled_type_map.find (id);
+ if (it == compiled_type_map.end ())
+ return false;
+
+ *type = it->second;
+ return true;
+ }
+
+ void insert_compiled_type (HirId id, ::Btype *type)
+ {
+ compiled_type_map[id] = type;
+ }
+
+ ::Backend *get_backend () { return backend; }
+ Resolver::Resolver *get_resolver () { return resolver; }
+ Resolver::TypeCheckContext *get_tyctx () { return tyctx; }
+ Analysis::Mappings *get_mappings () { return mappings; }
+
+ void push_block (Bblock *scope)
+ {
+ scope_stack.push_back (scope);
+ statements.push_back ({});
+ }
+
+ Bblock *pop_block ()
+ {
+ auto block = scope_stack.back ();
+ scope_stack.pop_back ();
+
+ auto stmts = statements.back ();
+ statements.pop_back ();
+
+ backend->block_add_statements (block, stmts);
+
+ return block;
+ }
+
+ Bblock *peek_enclosing_scope ()
+ {
+ if (scope_stack.size () == 0)
+ return nullptr;
+
+ return scope_stack.back ();
+ }
+
+ void add_statement (Bstatement *stmt) { statements.back ().push_back (stmt); }
+
+ void insert_var_decl (HirId id, ::Bvariable *decl)
+ {
+ compiled_var_decls[id] = decl;
+ }
+
+ bool lookup_var_decl (HirId id, ::Bvariable **decl)
+ {
+ auto it = compiled_var_decls.find (id);
+ if (it == compiled_var_decls.end ())
+ return false;
+
+ *decl = it->second;
+ return true;
+ }
+
+ void insert_function_decl (HirId id, ::Bfunction *fn)
+ {
+ compiled_fn_map[id] = fn;
+ }
+
+ bool lookup_function_decl (HirId id, ::Bfunction **fn)
+ {
+ auto it = compiled_fn_map.find (id);
+ if (it == compiled_fn_map.end ())
+ return false;
+
+ *fn = it->second;
+ return true;
+ }
+
+ void push_fn (::Bfunction *fn, ::Bvariable *ret_addr)
+ {
+ fn_stack.push_back (fncontext{fn, ret_addr});
+ }
+ void pop_fn () { fn_stack.pop_back (); }
+ fncontext peek_fn () { return fn_stack.back (); }
+
+ void push_type (::Btype *t) { type_decls.push_back (t); }
+ void push_var (::Bvariable *v) { var_decls.push_back (v); }
+ void push_const (::Bexpression *c) { const_decls.push_back (c); }
+ void push_function (::Bfunction *f) { func_decls.push_back (f); }
+
+ void write_to_backend ()
+ {
+ backend->write_global_definitions (type_decls, const_decls, func_decls,
+ var_decls);
+ }
+
+ bool function_completed (Bfunction *fn)
+ {
+ for (auto it = func_decls.begin (); it != func_decls.end (); it++)
+ {
+ Bfunction *i = (*it);
+ if (i == fn)
+ {
+ return true;
+ }
+ }
+ return false;
+ }
+
+private:
+ ::Backend *backend;
+ Resolver::Resolver *resolver;
+ Resolver::TypeCheckContext *tyctx;
+ Analysis::Mappings *mappings;
+
+ // state
+ std::vector<fncontext> fn_stack;
+ std::map<HirId, ::Bvariable *> compiled_var_decls;
+ std::map<HirId, ::Btype *> compiled_type_map;
+ std::map<HirId, ::Bfunction *> compiled_fn_map;
+ std::vector< ::std::vector<Bstatement *> > statements;
+ std::vector< ::Bblock *> scope_stack;
+
+ // To GCC middle-end
+ std::vector< ::Btype *> type_decls;
+ std::vector< ::Bvariable *> var_decls;
+ std::vector< ::Bexpression *> const_decls;
+ std::vector< ::Bfunction *> func_decls;
+};
+
+class TyTyResolveCompile : public TyTy::TyVisitor
+{
+public:
+ static ::Btype *compile (Context *ctx, TyTy::TyBase *ty)
+ {
+ TyTyResolveCompile compiler (ctx);
+ ty->accept_vis (compiler);
+ return compiler.translated;
+ }
+
+ virtual ~TyTyResolveCompile () {}
+
+ void visit (TyTy::FnType &type) { gcc_unreachable (); }
+
+ void visit (TyTy::BoolType &type)
+ {
+ ::Btype *compiled_type = nullptr;
+ bool ok = ctx->lookup_compiled_types (type.get_ref (), &compiled_type);
+ rust_assert (ok);
+ translated = compiled_type;
+ }
+
+ void visit (TyTy::IntType &type)
+ {
+ printf ("type [%s] has ref: %u\n", type.as_string ().c_str (),
+ type.get_ref ());
+
+ ::Btype *compiled_type = nullptr;
+ bool ok = ctx->lookup_compiled_types (type.get_ref (), &compiled_type);
+ rust_assert (ok);
+ translated = compiled_type;
+ }
+
+ void visit (TyTy::UintType &type)
+ {
+ ::Btype *compiled_type = nullptr;
+ bool ok = ctx->lookup_compiled_types (type.get_ref (), &compiled_type);
+ rust_assert (ok);
+ translated = compiled_type;
+ }
+
+private:
+ TyTyResolveCompile (Context *ctx) : ctx (ctx) {}
+
+ Context *ctx;
+ ::Btype *translated;
+};
+
+} // namespace Compile
+} // namespace Rust
+
+#endif // RUST_COMPILE_CONTEXT
diff --git a/gcc/rust/backend/rust-compile-expr.h b/gcc/rust/backend/rust-compile-expr.h
new file mode 100644
index 0000000..7808af2
--- /dev/null
+++ b/gcc/rust/backend/rust-compile-expr.h
@@ -0,0 +1,285 @@
+// Copyright (C) 2020 Free Software Foundation, Inc.
+
+// This file is part of GCC.
+
+// GCC is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free
+// Software Foundation; either version 3, or (at your option) any later
+// version.
+
+// GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+// for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with GCC; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#ifndef RUST_COMPILE_EXPR
+#define RUST_COMPILE_EXPR
+
+#include "rust-compile-base.h"
+#include "rust-compile-tyty.h"
+#include "rust-compile-resolve-path.h"
+
+namespace Rust {
+namespace Compile {
+
+class CompileExpr : public HIRCompileBase
+{
+public:
+ static Bexpression *Compile (HIR::Expr *expr, Context *ctx)
+ {
+ CompileExpr compiler (ctx);
+ expr->accept_vis (compiler);
+ return compiler.translated;
+ }
+
+ virtual ~CompileExpr () {}
+
+ void visit (HIR::ReturnExpr &expr)
+ {
+ Bexpression *compiled_expr
+ = CompileExpr::Compile (expr.return_expr.get (), ctx);
+ rust_assert (compiled_expr != nullptr);
+
+ auto fncontext = ctx->peek_fn ();
+
+ std::vector<Bexpression *> retstmts;
+ retstmts.push_back (compiled_expr);
+ auto s = ctx->get_backend ()->return_statement (fncontext.fndecl, retstmts,
+ expr.get_locus ());
+ ctx->add_statement (s);
+ }
+
+ void visit (HIR::CallExpr &expr)
+ {
+ Bexpression *fn = ResolvePath::Compile (expr.get_fnexpr (), ctx);
+ rust_assert (fn != nullptr);
+
+ std::vector<Bexpression *> args;
+ expr.iterate_params ([&] (HIR::Expr *p) mutable -> bool {
+ Bexpression *compiled_expr = CompileExpr::Compile (p, ctx);
+ rust_assert (compiled_expr != nullptr);
+ args.push_back (compiled_expr);
+ return true;
+ });
+
+ auto fncontext = ctx->peek_fn ();
+ translated
+ = ctx->get_backend ()->call_expression (fncontext.fndecl, fn, args,
+ nullptr, expr.get_locus ());
+ }
+
+ void visit (HIR::IdentifierExpr &expr)
+ {
+ // need to look up the reference for this identifier
+ NodeId ref_node_id;
+ if (!ctx->get_resolver ()->lookup_resolved_name (
+ expr.get_mappings ().get_nodeid (), &ref_node_id))
+ {
+ rust_fatal_error (expr.get_locus (), "failed to look up resolved name");
+ return;
+ }
+
+ printf ("have ast node id %u ref %u for expr [%s]\n",
+ expr.get_mappings ().get_nodeid (), ref_node_id,
+ expr.as_string ().c_str ());
+
+ // these ref_node_ids will resolve to a pattern declaration but we are
+ // interested in the definition that this refers to get the parent id
+ Resolver::Definition def;
+ if (!ctx->get_resolver ()->lookup_definition (ref_node_id, &def))
+ {
+ rust_error_at (expr.get_locus (), "unknown reference");
+ return;
+ }
+
+ HirId ref;
+ if (!ctx->get_mappings ()->lookup_node_to_hir (
+ expr.get_mappings ().get_crate_num (), def.parent, &ref))
+ {
+ rust_fatal_error (expr.get_locus (), "reverse lookup failure");
+ return;
+ }
+
+ Bvariable *var = nullptr;
+ if (!ctx->lookup_var_decl (ref, &var))
+ {
+ rust_fatal_error (expr.get_locus (),
+ "failed to lookup compiled variable");
+ return;
+ }
+
+ translated = ctx->get_backend ()->var_expression (var, expr.get_locus ());
+ }
+
+ void visit (HIR::LiteralExpr &expr)
+ {
+ switch (expr.get_lit_type ())
+ {
+ case HIR::Literal::BOOL: {
+ bool bval = expr.as_string ().compare ("true") == 0;
+ translated = ctx->get_backend ()->boolean_constant_expression (bval);
+ }
+ return;
+
+ case HIR::Literal::INT: {
+ mpz_t ival;
+ if (mpz_init_set_str (ival, expr.as_string ().c_str (), 10) != 0)
+ {
+ rust_fatal_error (expr.get_locus (), "bad number in literal");
+ return;
+ }
+
+ TyTy::TyBase *tyty = nullptr;
+ if (!ctx->get_tyctx ()->lookup_type (
+ expr.get_mappings ().get_hirid (), &tyty))
+ {
+ rust_fatal_error (expr.get_locus (),
+ "did not resolve type for this literal expr");
+ return;
+ }
+
+ Btype *type = TyTyResolveCompile::compile (ctx, tyty);
+ translated
+ = ctx->get_backend ()->integer_constant_expression (type, ival);
+ }
+ return;
+
+ default:
+ rust_fatal_error (expr.get_locus (), "unknown literal");
+ return;
+ }
+
+ gcc_unreachable ();
+ }
+
+ void visit (HIR::AssignmentExpr &expr)
+ {
+ fncontext fn = ctx->peek_fn ();
+ auto lhs = CompileExpr::Compile (expr.get_lhs (), ctx);
+ auto rhs = CompileExpr::Compile (expr.get_rhs (), ctx);
+
+ Bstatement *assignment
+ = ctx->get_backend ()->assignment_statement (fn.fndecl, lhs, rhs,
+ expr.get_locus ());
+ ctx->add_statement (assignment);
+ }
+
+ void visit (HIR::ArithmeticOrLogicalExpr &expr)
+ {
+ Operator op;
+ switch (expr.get_expr_type ())
+ {
+ case HIR::ArithmeticOrLogicalExpr::ADD:
+ op = OPERATOR_PLUS;
+ break;
+ case HIR::ArithmeticOrLogicalExpr::SUBTRACT:
+ op = OPERATOR_MINUS;
+ break;
+ case HIR::ArithmeticOrLogicalExpr::MULTIPLY:
+ op = OPERATOR_MULT;
+ break;
+ case HIR::ArithmeticOrLogicalExpr::DIVIDE:
+ op = OPERATOR_DIV;
+ break;
+ case HIR::ArithmeticOrLogicalExpr::MODULUS:
+ op = OPERATOR_MOD;
+ break;
+ case HIR::ArithmeticOrLogicalExpr::BITWISE_AND:
+ op = OPERATOR_AND;
+ break;
+ case HIR::ArithmeticOrLogicalExpr::BITWISE_OR:
+ op = OPERATOR_OR;
+ break;
+ case HIR::ArithmeticOrLogicalExpr::BITWISE_XOR:
+ op = OPERATOR_XOR;
+ break;
+ case HIR::ArithmeticOrLogicalExpr::LEFT_SHIFT:
+ op = OPERATOR_LSHIFT;
+ break;
+ case HIR::ArithmeticOrLogicalExpr::RIGHT_SHIFT:
+ op = OPERATOR_RSHIFT;
+ break;
+ default:
+ rust_fatal_error (expr.get_locus (), "failed to compile operator");
+ return;
+ }
+
+ auto lhs = CompileExpr::Compile (expr.get_lhs (), ctx);
+ auto rhs = CompileExpr::Compile (expr.get_rhs (), ctx);
+
+ translated = ctx->get_backend ()->binary_expression (op, lhs, rhs,
+ expr.get_locus ());
+ }
+
+ void visit (HIR::ComparisonExpr &expr)
+ {
+ Operator op;
+ switch (expr.get_expr_type ())
+ {
+ case HIR::ComparisonExpr::EQUAL:
+ op = OPERATOR_EQEQ;
+ break;
+ case HIR::ComparisonExpr::NOT_EQUAL:
+ op = OPERATOR_NOTEQ;
+ break;
+ case HIR::ComparisonExpr::GREATER_THAN:
+ op = OPERATOR_GT;
+ break;
+ case HIR::ComparisonExpr::LESS_THAN:
+ op = OPERATOR_LT;
+ break;
+ case HIR::ComparisonExpr::GREATER_OR_EQUAL:
+ op = OPERATOR_GE;
+ break;
+ case HIR::ComparisonExpr::LESS_OR_EQUAL:
+ op = OPERATOR_LE;
+ break;
+ default:
+ rust_fatal_error (expr.get_locus (), "failed to compile operator");
+ return;
+ }
+
+ auto lhs = CompileExpr::Compile (expr.get_lhs (), ctx);
+ auto rhs = CompileExpr::Compile (expr.get_rhs (), ctx);
+
+ translated = ctx->get_backend ()->binary_expression (op, lhs, rhs,
+ expr.get_locus ());
+ }
+
+ void visit (HIR::LazyBooleanExpr &expr)
+ {
+ Operator op;
+ switch (expr.get_expr_type ())
+ {
+ case HIR::LazyBooleanExpr::LOGICAL_OR:
+ op = OPERATOR_OROR;
+ break;
+ case HIR::LazyBooleanExpr::LOGICAL_AND:
+ op = OPERATOR_ANDAND;
+ break;
+ default:
+ rust_fatal_error (expr.get_locus (), "failed to compile operator");
+ return;
+ }
+
+ auto lhs = CompileExpr::Compile (expr.get_lhs (), ctx);
+ auto rhs = CompileExpr::Compile (expr.get_rhs (), ctx);
+
+ translated = ctx->get_backend ()->binary_expression (op, lhs, rhs,
+ expr.get_locus ());
+ }
+
+private:
+ CompileExpr (Context *ctx) : HIRCompileBase (ctx), translated (nullptr) {}
+
+ Bexpression *translated;
+};
+
+} // namespace Compile
+} // namespace Rust
+
+#endif // RUST_COMPILE_EXPR
diff --git a/gcc/rust/backend/rust-compile-item.h b/gcc/rust/backend/rust-compile-item.h
new file mode 100644
index 0000000..dd07435
--- /dev/null
+++ b/gcc/rust/backend/rust-compile-item.h
@@ -0,0 +1,180 @@
+// Copyright (C) 2020 Free Software Foundation, Inc.
+
+// This file is part of GCC.
+
+// GCC is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free
+// Software Foundation; either version 3, or (at your option) any later
+// version.
+
+// GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+// for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with GCC; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#ifndef RUST_COMPILE_ITEM
+#define RUST_COMPILE_ITEM
+
+#include "rust-compile-base.h"
+#include "rust-compile-tyty.h"
+#include "rust-compile-var-decl.h"
+#include "rust-compile-stmt.h"
+
+namespace Rust {
+namespace Compile {
+
+class CompileItem : public HIRCompileBase
+{
+public:
+ static void compile (HIR::Item *item, Context *ctx)
+ {
+ CompileItem compiler (ctx);
+ item->accept_vis (compiler);
+ }
+
+ virtual ~CompileItem () {}
+
+ void visit (HIR::Function &function)
+ {
+ // items can be forward compiled which means we may not need to invoke this
+ // code
+ Bfunction *lookup = nullptr;
+ if (ctx->lookup_function_decl (function.get_mappings ().get_hirid (),
+ &lookup))
+ {
+ // has this been added to the list then it must be finished
+ if (ctx->function_completed (lookup))
+ {
+ printf ("returning early the function [%s] is completed!\n",
+ function.as_string ().c_str ());
+ return;
+ }
+ }
+
+ TyTy::TyBase *fnType;
+ if (!ctx->get_tyctx ()->lookup_type (function.get_mappings ().get_hirid (),
+ &fnType))
+ {
+ rust_fatal_error (function.locus, "failed to lookup function type");
+ return;
+ }
+
+ // convert to the actual function type
+ auto compiled_fn_type = TyTyCompile::compile (ctx->get_backend (), fnType);
+
+ Bfunction *fndecl
+ = ctx->get_backend ()->function (compiled_fn_type, function.function_name,
+ "" /* asm_name */, 0 /* flags */,
+ function.get_locus ());
+ ctx->insert_function_decl (function.get_mappings ().get_hirid (), fndecl);
+
+ // setup the params
+ TyTy::TyBase *tyret = TyTyExtractRetFromFnType::compile (fnType);
+ std::vector<TyTy::ParamType *> typarams
+ = TyTyExtractParamsFromFnType::compile (fnType);
+ std::vector<Bvariable *> param_vars;
+
+ for (auto &it : typarams)
+ {
+ auto compiled_param
+ = TyTyCompileParam::compile (ctx->get_backend (), fndecl, it);
+ param_vars.push_back (compiled_param);
+
+ ctx->insert_var_decl (it->get_ref (), compiled_param);
+ }
+
+ if (!ctx->get_backend ()->function_set_parameters (fndecl, param_vars))
+ {
+ rust_fatal_error (function.get_locus (),
+ "failed to setup parameter variables");
+ return;
+ }
+
+ // lookup locals
+ auto block_expr = function.function_body.get ();
+ auto body_mappings = block_expr->get_mappings ();
+
+ Resolver::Rib *rib = nullptr;
+ if (!ctx->get_resolver ()->find_name_rib (body_mappings.get_nodeid (),
+ &rib))
+ {
+ rust_fatal_error (function.get_locus (),
+ "failed to setup locals per block");
+ return;
+ }
+
+ std::vector<Bvariable *> locals;
+ rib->iterate_decls ([&] (NodeId n) mutable -> bool {
+ Resolver::Definition d;
+ bool ok = ctx->get_resolver ()->lookup_definition (n, &d);
+ rust_assert (ok);
+
+ HIR::Stmt *decl = nullptr;
+ ok = ctx->get_mappings ()->resolve_nodeid_to_stmt (d.parent, &decl);
+ rust_assert (ok);
+
+ Bvariable *compiled = CompileVarDecl::compile (fndecl, decl, ctx);
+ locals.push_back (compiled);
+
+ return true;
+ });
+
+ Bblock *enclosing_scope = ctx->peek_enclosing_scope ();
+ HIR::BlockExpr *function_body = function.function_body.get ();
+
+ Location start_location = function_body->get_locus ();
+ Location end_location = function_body->get_closing_locus ();
+
+ Bblock *code_block
+ = ctx->get_backend ()->block (fndecl, enclosing_scope, locals,
+ start_location, end_location);
+ ctx->push_block (code_block);
+
+ Bvariable *return_address = nullptr;
+ if (function.has_function_return_type ())
+ {
+ Btype *return_type = TyTyCompile::compile (ctx->get_backend (), tyret);
+
+ bool address_is_taken = false;
+ Bstatement *ret_var_stmt = nullptr;
+
+ return_address = ctx->get_backend ()->temporary_variable (
+ fndecl, code_block, return_type, NULL, address_is_taken,
+ function.get_locus (), &ret_var_stmt);
+
+ ctx->add_statement (ret_var_stmt);
+ }
+
+ ctx->push_fn (fndecl, return_address);
+
+ // compile the block
+ function_body->iterate_stmts ([&] (HIR::Stmt *s) mutable -> bool {
+ CompileStmt::Compile (s, ctx);
+ return true;
+ });
+
+ ctx->pop_block ();
+ auto body = ctx->get_backend ()->block_statement (code_block);
+ if (!ctx->get_backend ()->function_set_body (fndecl, body))
+ {
+ rust_error_at (function.get_locus (), "failed to set body to function");
+ return;
+ }
+
+ ctx->pop_fn ();
+
+ ctx->push_function (fndecl);
+ }
+
+private:
+ CompileItem (Context *ctx) : HIRCompileBase (ctx) {}
+};
+
+} // namespace Compile
+} // namespace Rust
+
+#endif // RUST_COMPILE_ITEM
diff --git a/gcc/rust/backend/rust-compile-resolve-path.cc b/gcc/rust/backend/rust-compile-resolve-path.cc
new file mode 100644
index 0000000..e6683fa
--- /dev/null
+++ b/gcc/rust/backend/rust-compile-resolve-path.cc
@@ -0,0 +1,81 @@
+// Copyright (C) 2020 Free Software Foundation, Inc.
+
+// This file is part of GCC.
+
+// GCC is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free
+// Software Foundation; either version 3, or (at your option) any later
+// version.
+
+// GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+// for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with GCC; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#include "rust-linemap.h"
+#include "rust-backend.h"
+#include "rust-compile-resolve-path.h"
+#include "rust-compile-item.h"
+
+namespace Rust {
+namespace Compile {
+
+void
+ResolvePath::visit (HIR::PathInExpression &expr)
+{
+ // need to look up the reference for this identifier
+ NodeId ref_node_id;
+ if (!ctx->get_resolver ()->lookup_resolved_name (
+ expr.get_mappings ().get_nodeid (), &ref_node_id))
+ {
+ rust_fatal_error (expr.get_locus (), "failed to look up resolved name");
+ return;
+ }
+
+ printf ("PATHIN have ast node id %u ref %u for expr [%s]\n",
+ expr.get_mappings ().get_nodeid (), ref_node_id,
+ expr.as_string ().c_str ());
+
+ HirId ref;
+ if (!ctx->get_mappings ()->lookup_node_to_hir (
+ expr.get_mappings ().get_crate_num (), ref_node_id, &ref))
+ {
+ rust_fatal_error (expr.get_locus (), "reverse lookup failure");
+ return;
+ }
+
+ // assumes paths are functions for now
+ Bfunction *fn;
+ if (!ctx->lookup_function_decl (ref, &fn))
+ {
+ printf (
+ "path failed to lookup function attempting to forward resolve!\n");
+
+ // this might fail because its a forward decl so we can attempt to
+ // resolve it now
+ HIR::Item *resolved_item = ctx->get_mappings ()->lookup_hir_item (
+ expr.get_mappings ().get_crate_num (), ref);
+ if (resolved_item == nullptr)
+ {
+ rust_fatal_error (expr.get_locus (), "failed to lookup forward decl");
+ return;
+ }
+
+ CompileItem::compile (resolved_item, ctx);
+ if (!ctx->lookup_function_decl (ref, &fn))
+ {
+ rust_fatal_error (expr.get_locus (), "forward decl was not compiled");
+ return;
+ }
+ }
+
+ resolved
+ = ctx->get_backend ()->function_code_expression (fn, expr.get_locus ());
+}
+
+} // namespace Compile
+} // namespace Rust
diff --git a/gcc/rust/backend/rust-compile-resolve-path.h b/gcc/rust/backend/rust-compile-resolve-path.h
new file mode 100644
index 0000000..d8f393d
--- /dev/null
+++ b/gcc/rust/backend/rust-compile-resolve-path.h
@@ -0,0 +1,52 @@
+// Copyright (C) 2020 Free Software Foundation, Inc.
+
+// This file is part of GCC.
+
+// GCC is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free
+// Software Foundation; either version 3, or (at your option) any later
+// version.
+
+// GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+// for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with GCC; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#ifndef RUST_COMPILE_RESOLVE_PATH
+#define RUST_COMPILE_RESOLVE_PATH
+
+#include "rust-compile-base.h"
+#include "rust-compile-tyty.h"
+
+namespace Rust {
+namespace Compile {
+
+class ResolvePath : public HIRCompileBase
+{
+public:
+ static Bexpression *Compile (HIR::Expr *expr, Context *ctx)
+ {
+ ResolvePath resolver (ctx);
+ expr->accept_vis (resolver);
+ rust_assert (resolver.resolved != nullptr);
+ return resolver.resolved;
+ }
+
+ virtual ~ResolvePath () {}
+
+ void visit (HIR::PathInExpression &expr);
+
+private:
+ ResolvePath (Context *ctx) : HIRCompileBase (ctx), resolved (nullptr) {}
+
+ Bexpression *resolved;
+};
+
+} // namespace Compile
+} // namespace Rust
+
+#endif // RUST_COMPILE_RESOLVE_PATH
diff --git a/gcc/rust/backend/rust-compile-stmt.h b/gcc/rust/backend/rust-compile-stmt.h
new file mode 100644
index 0000000..0a08130
--- /dev/null
+++ b/gcc/rust/backend/rust-compile-stmt.h
@@ -0,0 +1,85 @@
+// Copyright (C) 2020 Free Software Foundation, Inc.
+
+// This file is part of GCC.
+
+// GCC is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free
+// Software Foundation; either version 3, or (at your option) any later
+// version.
+
+// GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+// for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with GCC; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#ifndef RUST_COMPILE_STMT
+#define RUST_COMPILE_STMT
+
+#include "rust-compile-base.h"
+#include "rust-compile-tyty.h"
+#include "rust-compile-expr.h"
+
+namespace Rust {
+namespace Compile {
+
+class CompileStmt : public HIRCompileBase
+{
+public:
+ static void Compile (HIR::Stmt *stmt, Context *ctx)
+ {
+ CompileStmt compiler (ctx);
+ stmt->accept_vis (compiler);
+ rust_assert (compiler.ok);
+ }
+
+ virtual ~CompileStmt () {}
+
+ void visit (HIR::ExprStmtWithoutBlock &stmt)
+ {
+ ok = true;
+ auto translated = CompileExpr::Compile (stmt.get_expr (), ctx);
+
+ // these can be null
+ if (translated == nullptr)
+ return;
+
+ gcc_unreachable ();
+ }
+
+ void visit (HIR::LetStmt &stmt)
+ {
+ // marks that the statement has been looked at
+ ok = true;
+
+ // nothing to do
+ if (!stmt.has_init_expr ())
+ return;
+
+ Bvariable *var = nullptr;
+ if (!ctx->lookup_var_decl (stmt.get_mappings ().get_hirid (), &var))
+ {
+ rust_fatal_error (stmt.get_locus (),
+ "failed to lookup compiled variable decl");
+ return;
+ }
+
+ auto *init = CompileExpr::Compile (stmt.get_init_expr (), ctx);
+ auto fnctx = ctx->peek_fn ();
+ auto s = ctx->get_backend ()->init_statement (fnctx.fndecl, var, init);
+ ctx->add_statement (s);
+ }
+
+private:
+ CompileStmt (Context *ctx) : HIRCompileBase (ctx), ok (false) {}
+
+ bool ok;
+};
+
+} // namespace Compile
+} // namespace Rust
+
+#endif // RUST_COMPILE_STMT
diff --git a/gcc/rust/backend/rust-compile-tyty.h b/gcc/rust/backend/rust-compile-tyty.h
new file mode 100644
index 0000000..66d2472
--- /dev/null
+++ b/gcc/rust/backend/rust-compile-tyty.h
@@ -0,0 +1,247 @@
+// Copyright (C) 2020 Free Software Foundation, Inc.
+
+// This file is part of GCC.
+
+// GCC is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free
+// Software Foundation; either version 3, or (at your option) any later
+// version.
+
+// GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+// for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with GCC; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#ifndef RUST_COMPILE_TYTY
+#define RUST_COMPILE_TYTY
+
+#include "rust-system.h"
+#include "rust-location.h"
+#include "rust-diagnostics.h"
+#include "rust-backend.h"
+#include "rust-tyty.h"
+#include "rust-tyty-visitor.h"
+#include "rust-hir-map.h"
+
+namespace Rust {
+namespace Compile {
+
+class TyTyCompile : public TyTy::TyVisitor
+{
+public:
+ static ::Btype *compile (::Backend *backend, TyTy::TyBase *ty)
+ {
+ TyTyCompile compiler (backend);
+ ty->accept_vis (compiler);
+ rust_assert (compiler.translated != nullptr);
+ return compiler.translated;
+ }
+
+ ~TyTyCompile () {}
+
+ void visit (TyTy::InferType &type) override
+ {
+ // there shouldn't be any of these left
+ gcc_unreachable ();
+ }
+
+ void visit (TyTy::UnitType &type) override {}
+
+ void visit (TyTy::FnType &type) override
+ {
+ Backend::Btyped_identifier receiver;
+ std::vector<Backend::Btyped_identifier> parameters;
+ std::vector<Backend::Btyped_identifier> results;
+
+ if (!type.get_return_type ()->is_unit ())
+ {
+ auto hir_type = type.get_return_type ();
+ auto ret = TyTyCompile::compile (backend, hir_type);
+ results.push_back (Backend::Btyped_identifier (
+ "_", ret, mappings->lookup_location (hir_type->get_ref ())));
+ }
+
+ for (size_t i = 0; i < type.num_params (); i++)
+ {
+ auto param_tyty = type.param_at (i);
+ auto compiled_param_type
+ = TyTyCompile::compile (backend, param_tyty->get_base_type ());
+ auto compiled_param = Backend::Btyped_identifier (
+ param_tyty->get_identifier (), compiled_param_type,
+ mappings->lookup_location (param_tyty->get_ref ()));
+
+ parameters.push_back (compiled_param);
+ }
+
+ translated
+ = backend->function_type (receiver, parameters, results, NULL,
+ mappings->lookup_location (type.get_ref ()));
+ }
+
+ void visit (TyTy::ParamType &type) override {}
+
+ void visit (TyTy::BoolType &type) override
+ {
+ translated = backend->named_type ("bool", backend->bool_type (),
+ Linemap::predeclared_location ());
+ }
+
+ void visit (TyTy::IntType &type) override
+ {
+ switch (type.get_kind ())
+ {
+ case TyTy::IntType::I8:
+ translated
+ = backend->named_type ("i8", backend->integer_type (false, 8),
+ Linemap::predeclared_location ());
+ return;
+
+ case TyTy::IntType::I16:
+ translated
+ = backend->named_type ("i16", backend->integer_type (false, 16),
+ Linemap::predeclared_location ());
+ return;
+
+ case TyTy::IntType::I32:
+ translated
+ = backend->named_type ("i32", backend->integer_type (false, 32),
+ Linemap::predeclared_location ());
+ return;
+ }
+ gcc_unreachable ();
+ }
+
+ void visit (TyTy::UintType &type) override
+ {
+ switch (type.get_kind ())
+ {
+ case TyTy::UintType::U8:
+ translated = backend->named_type ("i8", backend->integer_type (true, 8),
+ Linemap::predeclared_location ());
+ return;
+
+ case TyTy::UintType::U16:
+ translated
+ = backend->named_type ("i16", backend->integer_type (true, 16),
+ Linemap::predeclared_location ());
+ return;
+
+ case TyTy::UintType::U32:
+ translated
+ = backend->named_type ("i32", backend->integer_type (true, 32),
+ Linemap::predeclared_location ());
+ return;
+ }
+ gcc_unreachable ();
+ }
+
+private:
+ TyTyCompile (::Backend *backend)
+ : backend (backend), translated (nullptr),
+ mappings (Analysis::Mappings::get ())
+ {}
+
+ ::Backend *backend;
+ ::Btype *translated;
+ Analysis::Mappings *mappings;
+};
+
+class TyTyExtractParamsFromFnType : public TyTy::TyVisitor
+{
+public:
+ static std::vector<TyTy::ParamType *> compile (TyTy::TyBase *ty)
+ {
+ TyTyExtractParamsFromFnType compiler;
+ ty->accept_vis (compiler);
+ rust_assert (compiler.ok);
+ return compiler.translated;
+ }
+
+ ~TyTyExtractParamsFromFnType () {}
+
+ void visit (TyTy::FnType &type) override
+ {
+ ok = true;
+ for (size_t i = 0; i < type.num_params (); i++)
+ {
+ translated.push_back (type.param_at (i));
+ }
+ }
+
+private:
+ TyTyExtractParamsFromFnType () : ok (false) {}
+
+ bool ok;
+ std::vector<TyTy::ParamType *> translated;
+};
+
+class TyTyExtractRetFromFnType : public TyTy::TyVisitor
+{
+public:
+ static TyTy::TyBase *compile (TyTy::TyBase *ty)
+ {
+ TyTyExtractRetFromFnType compiler;
+ ty->accept_vis (compiler);
+ rust_assert (compiler.ok);
+ return compiler.translated;
+ }
+
+ ~TyTyExtractRetFromFnType () {}
+
+ void visit (TyTy::FnType &type) override
+ {
+ ok = true;
+ translated = type.get_return_type ();
+ }
+
+private:
+ TyTyExtractRetFromFnType () : ok (false), translated (nullptr) {}
+
+ bool ok;
+ TyTy::TyBase *translated;
+};
+
+class TyTyCompileParam : public TyTy::TyVisitor
+{
+public:
+ static ::Bvariable *compile (::Backend *backend, Bfunction *fndecl,
+ TyTy::TyBase *ty)
+ {
+ TyTyCompileParam compiler (backend, fndecl);
+ ty->accept_vis (compiler);
+ rust_assert (compiler.translated != nullptr);
+ return compiler.translated;
+ }
+
+ ~TyTyCompileParam () {}
+
+ void visit (TyTy::ParamType &type) override
+ {
+ auto btype = TyTyCompile::compile (backend, type.get_base_type ());
+ bool tree_addressable = false;
+ translated = backend->parameter_variable (fndecl, type.get_identifier (),
+ btype, tree_addressable,
+ mappings->lookup_location (
+ type.get_ref ()));
+ }
+
+private:
+ TyTyCompileParam (::Backend *backend, ::Bfunction *fndecl)
+ : backend (backend), translated (nullptr), fndecl (fndecl),
+ mappings (Analysis::Mappings::get ())
+ {}
+
+ ::Backend *backend;
+ ::Bvariable *translated;
+ ::Bfunction *fndecl;
+ Analysis::Mappings *mappings;
+};
+
+} // namespace Compile
+} // namespace Rust
+
+#endif // RUST_COMPILE_TYTY
diff --git a/gcc/rust/backend/rust-compile-var-decl.h b/gcc/rust/backend/rust-compile-var-decl.h
new file mode 100644
index 0000000..be3141a
--- /dev/null
+++ b/gcc/rust/backend/rust-compile-var-decl.h
@@ -0,0 +1,69 @@
+// Copyright (C) 2020 Free Software Foundation, Inc.
+
+// This file is part of GCC.
+
+// GCC is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free
+// Software Foundation; either version 3, or (at your option) any later
+// version.
+
+// GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+// for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with GCC; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#ifndef RUST_COMPILE_VAR_DECL
+#define RUST_COMPILE_VAR_DECL
+
+#include "rust-compile-base.h"
+
+namespace Rust {
+namespace Compile {
+
+class CompileVarDecl : public HIRCompileBase
+{
+public:
+ static ::Bvariable *compile (::Bfunction *fndecl, HIR::Stmt *stmt,
+ Context *ctx)
+ {
+ CompileVarDecl compiler (ctx, fndecl);
+ stmt->accept_vis (compiler);
+ rust_assert (compiler.translated != nullptr);
+ ctx->insert_var_decl (stmt->get_mappings ().get_hirid (),
+ compiler.translated);
+ return compiler.translated;
+ }
+
+ virtual ~CompileVarDecl () {}
+
+ void visit (HIR::LetStmt &stmt)
+ {
+ TyTy::TyBase *resolved_type = nullptr;
+ bool ok = ctx->get_tyctx ()->lookup_type (stmt.get_mappings ().get_hirid (),
+ &resolved_type);
+ rust_assert (ok);
+
+ ::Btype *translated_type = TyTyResolveCompile::compile (ctx, resolved_type);
+
+ translated = ctx->get_backend ()->local_variable (
+ fndecl, stmt.get_pattern ()->as_string (), translated_type,
+ NULL /*decl_var*/, false /*address_taken*/, stmt.get_locus ());
+ }
+
+private:
+ CompileVarDecl (Context *ctx, ::Bfunction *fndecl)
+ : HIRCompileBase (ctx), fndecl (fndecl), translated (nullptr)
+ {}
+
+ ::Bfunction *fndecl;
+ ::Bvariable *translated;
+};
+
+} // namespace Compile
+} // namespace Rust
+
+#endif // RUST_COMPILE_VAR_DECL
diff --git a/gcc/rust/backend/rust-compile.cc b/gcc/rust/backend/rust-compile.cc
index 300240f..11c380b 100644
--- a/gcc/rust/backend/rust-compile.cc
+++ b/gcc/rust/backend/rust-compile.cc
@@ -1,1501 +1,47 @@
-#include "rust-compile.h"
-#include "rust-diagnostics.h"
-
-namespace Rust {
-namespace Compile {
-
-#define VISIT_POP(L, S, R, B) \
- do \
- { \
- auto before = B.size (); \
- S->accept_vis (*this); \
- if (B.size () <= before) \
- break; \
- R = B.back (); \
- B.pop_back (); \
- } \
- while (0)
-
-Compilation::Compilation (AST::Crate &crate, ::Backend *backend)
- : crate (crate), backend (backend), scope (backend)
-{}
-
-Compilation::~Compilation () {}
-
-bool
-Compilation::Compile (AST::Crate &crate, ::Backend *backend)
-{
- Compilation resolver (crate, backend);
- return resolver.go ();
-}
-
-bool
-Compilation::go ()
-{
- scope.Push ();
-
- // builtin primitives
- scope.InsertType ("bool",
- backend->named_type ("bool", backend->bool_type (),
- Linemap::predeclared_location ()));
- scope.InsertType ("i64",
- backend->named_type ("i64",
- backend->integer_type (false, 64),
- Linemap::predeclared_location ()));
- scope.InsertType ("i32",
- backend->named_type ("i32",
- backend->integer_type (false, 32),
- Linemap::predeclared_location ()));
- scope.InsertType ("i16",
- backend->named_type ("i16",
- backend->integer_type (false, 16),
- Linemap::predeclared_location ()));
- scope.InsertType ("i8",
- backend->named_type ("i8", backend->integer_type (false, 8),
- Linemap::predeclared_location ()));
- scope.InsertType ("u64",
- backend->named_type ("u64",
- backend->integer_type (true, 64),
- Linemap::predeclared_location ()));
- scope.InsertType ("u32",
- backend->named_type ("u32",
- backend->integer_type (true, 32),
- Linemap::predeclared_location ()));
- scope.InsertType ("u16",
- backend->named_type ("u16",
- backend->integer_type (true, 16),
- Linemap::predeclared_location ()));
- scope.InsertType ("u8",
- backend->named_type ("u8", backend->integer_type (true, 8),
- Linemap::predeclared_location ()));
- scope.InsertType ("f64", backend->float_type (64));
- scope.InsertType ("f32", backend->float_type (32));
-
- for (auto &item : crate.items)
- item->accept_vis (*this);
- scope.Pop ();
-
- // Define all globally declared values.
- if (saw_errors ())
- return false;
-
- backend->write_global_definitions (type_decls, const_decls, func_decls,
- var_decls);
- return true;
-}
-
-bool
-Compilation::compileVarDecl (Bfunction *fndecl, AST::LetStmt *stmt,
- std::vector<Bvariable *> &vars)
-{
- AST::Type *type = stmt->has_type () ? stmt->get_type ().get () : stmt->inferedType;
- translatedType = NULL;
- type->accept_vis (*this);
- if (translatedType == NULL)
- {
- rust_error_at (stmt->get_locus (), "failed to compile type for var decl");
- return false;
- }
-
- stmt->get_pattern ()->accept_vis (*this);
- for (auto &pattern : patternBuffer)
- {
- auto var = backend->local_variable (fndecl, pattern.get_ident (),
- translatedType, NULL /*decl_var*/,
- false /*address_taken*/, stmt->get_locus ());
- vars.push_back (var);
- scope.InsertVar (pattern.get_ident (), var);
- }
- patternBuffer.clear ();
- return true;
-}
-
-Bexpression *
-Compilation::compileBooleanLiteral (std::string val)
-{
- bool bval = val.compare ("true") == 0;
- return backend->boolean_constant_expression (bval);
-}
-
-Bexpression *
-Compilation::compileFloatLiteral (std::string val, Location locus)
-{
- Btype *type = NULL;
- bool ok = scope.LookupType ("f32", &type);
- if (!ok)
- {
- rust_fatal_error (locus, "unable to find type");
- return NULL;
- }
- mpfr_t fval;
- if (mpfr_init_set_str (fval, val.c_str (), 10, GMP_RNDN) != 0)
- {
- rust_fatal_error (locus, "bad number in literal");
- return NULL;
- }
- return backend->float_constant_expression (type, fval);
-}
-
-Bexpression *
-Compilation::compileIntegerLiteral (std::string val, Location locus)
-{
- Btype *type = NULL;
- bool ok = scope.LookupType ("i32", &type);
- if (!ok)
- {
- rust_fatal_error (locus, "unable to find type");
- return NULL;
- }
- mpz_t ival;
- if (mpz_init_set_str (ival, val.c_str (), 10) != 0)
- {
- rust_fatal_error (locus, "bad number in literal");
- return NULL;
- }
- return backend->integer_constant_expression (type, ival);
-}
-
-void
-Compilation::visit (AST::Token &tok)
-{}
-
-void
-Compilation::visit (AST::DelimTokenTree &delim_tok_tree)
-{}
-
-void
-Compilation::visit (AST::AttrInputMetaItemContainer &input)
-{}
-
-void
-Compilation::visit (AST::IdentifierExpr &ident_expr)
-{
- Bvariable *var = NULL;
- if (!scope.LookupVar (ident_expr.as_string (), &var))
- {
- rust_fatal_error (ident_expr.get_locus (), "unknown var");
- return;
- }
- exprs.push_back (backend->var_expression (var, ident_expr.get_locus ()));
-}
-
-void
-Compilation::visit (AST::Lifetime &lifetime)
-{}
-
-void
-Compilation::visit (AST::LifetimeParam &lifetime_param)
-{}
-
-void
-Compilation::visit (AST::MacroInvocationSemi &macro)
-{}
-
-// rust-path.h
-void
-Compilation::visit (AST::PathInExpression &path)
-{
- Bfunction *fn = NULL;
- if (scope.LookupFunction (path.as_string (), &fn))
- {
- auto expr
- = backend->function_code_expression (fn, path.get_locus ());
- exprs.push_back (expr);
- translatedType = scope.GetFnRetType (fn);
- return;
- }
-}
-
-void
-Compilation::visit (AST::TypePathSegment &segment)
-{}
-void
-Compilation::visit (AST::TypePathSegmentGeneric &segment)
-{}
-void
-Compilation::visit (AST::TypePathSegmentFunction &segment)
-{}
-
-void
-Compilation::visit (AST::TypePath &path)
-{
- if (path.get_segments ().size () > 1)
- {
- rust_error_at (path.get_locus (), "unable to compile multi segment types yet");
- return;
- }
-
- Btype *type = NULL;
- if (!scope.LookupType (path.as_string (), &type))
- {
- rust_error_at (path.get_locus (), "unknown type");
- return;
- }
- translatedType = type;
-}
-
-void
-Compilation::visit (AST::QualifiedPathInExpression &path)
-{}
-void
-Compilation::visit (AST::QualifiedPathInType &path)
-{}
-
-// rust-expr.h
-void
-Compilation::visit (AST::LiteralExpr &expr)
-{
- Bexpression *compiled;
- switch (expr.get_lit_type ())
- {
- case AST::Literal::BOOL:
- compiled = compileBooleanLiteral (expr.as_string ());
- break;
-
- case AST::Literal::FLOAT:
- compiled
- = compileFloatLiteral (expr.as_string (), expr.get_locus ());
- break;
-
- case AST::Literal::INT:
- compiled
- = compileIntegerLiteral (expr.as_string (), expr.get_locus ());
- break;
-
- default:
- rust_fatal_error (expr.get_locus (), "unknown literal");
- return;
- }
-
- exprs.push_back (compiled);
-}
-
-void
-Compilation::visit (AST::AttrInputLiteral &attr_input)
-{}
-void
-Compilation::visit (AST::MetaItemLitExpr &meta_item)
-{}
-void
-Compilation::visit (AST::MetaItemPathLit &meta_item)
-{}
-void
-Compilation::visit (AST::BorrowExpr &expr)
-{}
-void
-Compilation::visit (AST::DereferenceExpr &expr)
-{}
-void
-Compilation::visit (AST::ErrorPropagationExpr &expr)
-{}
-
-void
-Compilation::visit (AST::NegationExpr &expr)
-{
- Bexpression *root = NULL;
- VISIT_POP (expr.get_negated_expr ()->get_locus_slow (), expr.get_negated_expr ().get (), root,
- exprs);
- if (root == NULL)
- {
- rust_error_at (expr.get_negated_expr ()->get_locus_slow (), "failed to compile");
- return;
- }
-
- Operator op;
- switch (expr.get_negation_type ())
- {
- case AST::NegationExpr::NEGATE:
- op = OPERATOR_MINUS;
- break;
- case AST::NegationExpr::NOT:
- op = OPERATOR_NOT;
- break;
- default:
- rust_fatal_error (expr.get_locus (), "failed to compile operator");
- return;
- }
-
- auto unary = backend->unary_expression (op, root, expr.get_locus ());
- exprs.push_back (unary);
-}
-
-void
-Compilation::visit (AST::ArithmeticOrLogicalExpr &expr)
-{
- Bexpression *lhs = NULL;
- VISIT_POP (expr.get_left_expr ()->get_locus_slow (), expr.get_left_expr ().get (), lhs, exprs);
- if (lhs == NULL)
- {
- rust_error_at (expr.get_left_expr ()->get_locus_slow (), "failed to compile");
- return;
- }
-
- Bexpression *rhs = NULL;
- VISIT_POP (expr.get_right_expr ()->get_locus_slow (), expr.get_right_expr ().get (), rhs, exprs);
- if (rhs == NULL)
- {
- rust_error_at (expr.get_right_expr ()->get_locus_slow (), "failed to compile");
- return;
- }
-
- Operator op;
- switch (expr.get_expr_type ())
- {
- case AST::ArithmeticOrLogicalExpr::ADD:
- op = OPERATOR_PLUS;
- break;
- case AST::ArithmeticOrLogicalExpr::SUBTRACT:
- op = OPERATOR_MINUS;
- break;
- case AST::ArithmeticOrLogicalExpr::MULTIPLY:
- op = OPERATOR_MULT;
- break;
- case AST::ArithmeticOrLogicalExpr::DIVIDE:
- op = OPERATOR_DIV;
- break;
- case AST::ArithmeticOrLogicalExpr::MODULUS:
- op = OPERATOR_MOD;
- break;
- case AST::ArithmeticOrLogicalExpr::BITWISE_AND:
- op = OPERATOR_AND;
- break;
- case AST::ArithmeticOrLogicalExpr::BITWISE_OR:
- op = OPERATOR_OR;
- break;
- case AST::ArithmeticOrLogicalExpr::BITWISE_XOR:
- op = OPERATOR_XOR;
- break;
- case AST::ArithmeticOrLogicalExpr::LEFT_SHIFT:
- op = OPERATOR_LSHIFT;
- break;
- case AST::ArithmeticOrLogicalExpr::RIGHT_SHIFT:
- op = OPERATOR_RSHIFT;
- break;
- default:
- rust_fatal_error (expr.get_locus (), "failed to compile operator");
- return;
- }
-
- auto binExpr
- = backend->binary_expression (op, lhs, rhs, expr.get_locus ());
- exprs.push_back (binExpr);
-}
-
-void
-Compilation::visit (AST::ComparisonExpr &expr)
-{
- Bexpression *lhs = NULL;
- VISIT_POP (expr.get_left_expr ()->get_locus_slow (), expr.get_left_expr ().get (), lhs, exprs);
- if (lhs == NULL)
- {
- rust_error_at (expr.get_left_expr ()->get_locus_slow (), "failed to compile");
- return;
- }
-
- Bexpression *rhs = NULL;
- VISIT_POP (expr.get_right_expr ()->get_locus_slow (), expr.get_right_expr ().get (), rhs, exprs);
- if (rhs == NULL)
- {
- rust_error_at (expr.get_right_expr ()->get_locus_slow (), "failed to compile");
- return;
- }
-
- Operator op;
- switch (expr.get_expr_type ())
- {
- case AST::ComparisonExpr::EQUAL:
- op = OPERATOR_EQEQ;
- break;
- case AST::ComparisonExpr::NOT_EQUAL:
- op = OPERATOR_NOTEQ;
- break;
- case AST::ComparisonExpr::GREATER_THAN:
- op = OPERATOR_GT;
- break;
- case AST::ComparisonExpr::LESS_THAN:
- op = OPERATOR_LT;
- break;
- case AST::ComparisonExpr::GREATER_OR_EQUAL:
- op = OPERATOR_GE;
- break;
- case AST::ComparisonExpr::LESS_OR_EQUAL:
- op = OPERATOR_LE;
- break;
- default:
- rust_fatal_error (expr.get_locus (), "failed to compile operator");
- return;
- }
-
- auto compExpr
- = backend->binary_expression (op, lhs, rhs, expr.get_locus ());
- exprs.push_back (compExpr);
-}
-
-void
-Compilation::visit (AST::LazyBooleanExpr &expr)
-{
- Bexpression *lhs = NULL;
- VISIT_POP (expr.get_left_expr ()->get_locus_slow (), expr.get_left_expr ().get (), lhs, exprs);
- if (lhs == NULL)
- {
- rust_error_at (expr.get_left_expr ()->get_locus_slow (), "failed to compile");
- return;
- }
-
- Bexpression *rhs = NULL;
- VISIT_POP (expr.get_right_expr ()->get_locus_slow (), expr.get_right_expr ().get (), rhs, exprs);
- if (rhs == NULL)
- {
- rust_error_at (expr.get_right_expr ()->get_locus_slow (), "failed to compile");
- return;
- }
-
- Operator op;
- switch (expr.get_expr_type ())
- {
- case AST::LazyBooleanExpr::LOGICAL_OR:
- op = OPERATOR_OROR;
- break;
- case AST::LazyBooleanExpr::LOGICAL_AND:
- op = OPERATOR_ANDAND;
- break;
- default:
- rust_fatal_error (expr.get_locus (), "failed to compile operator");
- return;
- }
-
- auto compExpr
- = backend->binary_expression (op, lhs, rhs, expr.get_locus ());
- exprs.push_back (compExpr);
-}
-
-void
-Compilation::visit (AST::TypeCastExpr &expr)
-{}
-
-void
-Compilation::visit (AST::AssignmentExpr &expr)
-{
- Bexpression *lhs = NULL;
- VISIT_POP (expr.get_left_expr ()->get_locus_slow (), expr.get_left_expr ().get (), lhs, exprs);
- if (lhs == NULL)
- {
- rust_error_at (expr.get_left_expr ()->get_locus_slow (), "failed to compile");
- return;
- }
-
- Bexpression *rhs = NULL;
- VISIT_POP (expr.get_right_expr ()->get_locus_slow (), expr.get_right_expr ().get (), rhs, exprs);
- if (rhs == NULL)
- {
- rust_error_at (expr.get_right_expr ()->get_locus_slow (), "failed to compile");
- return;
- }
-
- auto s = backend->assignment_statement (scope.GetCurrentFndecl (), lhs, rhs,
- expr.get_locus ());
- scope.AddStatement (s);
-}
-
-void
-Compilation::visit (AST::CompoundAssignmentExpr &expr)
-{}
-void
-Compilation::visit (AST::GroupedExpr &expr)
-{}
-
-void
-Compilation::visit (AST::ArrayElemsValues &elems)
-{
- std::vector< ::Bexpression *> elements;
-
- bool failed = false;
- elems.iterate ([&] (AST::Expr *expr) mutable -> bool {
- Bexpression *value = nullptr;
- VISIT_POP (expr.get_locus_slow (), expr, value, exprs);
- if (value == nullptr)
- {
- rust_fatal_error (expr->get_locus_slow (),
- "failed to compile value to array initialiser");
- return false;
- }
- elements.push_back (value);
- return true;
- });
-
- // nothing to do when its failed
- if (failed)
- return;
-
- arrayConsStack.push_back (elements);
-}
-
-void
-Compilation::visit (AST::ArrayElemsCopied &elems)
-{}
-
-void
-Compilation::visit (AST::ArrayExpr &expr)
-{
- translatedType = nullptr;
- expr.get_inferred_type ()->accept_vis (*this);
- if (translatedType == nullptr)
- {
- rust_error_at (expr.get_locus_slow (),
- "failed to compile array type for ArrayExpr");
- return;
- }
-
- ::Btype *compiledType = translatedType;
- translatedType = nullptr;
-
- auto before = arrayConsStack.size ();
- expr.get_array_elems ()->accept_vis (*this);
- if (arrayConsStack.size () <= before)
- {
- rust_error_at (expr.get_locus_slow (),
- "failed to compile the array constructor");
- return;
- }
- std::vector< ::Bexpression *> initializer = arrayConsStack.back ();
- arrayConsStack.pop_back ();
-
- std::vector<unsigned long> indexes;
- for (unsigned long i = 0; i < initializer.size (); ++i)
- indexes.push_back (i);
-
- Bexpression *cons
- = backend->array_constructor_expression (compiledType, indexes, initializer,
- expr.get_locus_slow ());
- exprs.push_back (cons);
-}
-
-void
-Compilation::visit (AST::ArrayIndexExpr &expr)
-{
- Bexpression *arrayExpr = nullptr;
- VISIT_POP (expr.get_array_expr ()->get_locus_slow (), expr.get_array_expr (),
- arrayExpr, exprs);
- if (arrayExpr == nullptr)
- {
- rust_error_at (expr.get_locus_slow (),
- "failed to compile value to array expression reference");
- return;
- }
-
- Bexpression *indexExpr = nullptr;
- VISIT_POP (expr.get_index_expr ()->get_locus_slow (), expr.get_index_expr (),
- indexExpr, exprs);
- if (indexExpr == nullptr)
- {
- rust_error_at (expr.get_locus_slow (),
- "failed to compile value to array index expression");
- return;
- }
-
- Bexpression *indexExpression
- = backend->array_index_expression (arrayExpr, indexExpr,
- expr.get_locus_slow ());
- exprs.push_back (indexExpression);
-}
-
-void
-Compilation::visit (AST::TupleExpr &expr)
-{}
-void
-Compilation::visit (AST::TupleIndexExpr &expr)
-{}
-void
-Compilation::visit (AST::StructExprStruct &expr)
-{}
-// void Compilation::visit(StructExprField& field) {}
-void
-Compilation::visit (AST::StructExprFieldIdentifier &field)
-{}
-
-void
-Compilation::visit (AST::StructExprFieldIdentifierValue &field)
-{
- Bexpression *value = NULL;
- VISIT_POP (field.get_value ()->get_locus_slow (), field.get_value ().get (), value, exprs);
- if (value == NULL)
- {
- rust_fatal_error (field.get_value ()->get_locus_slow (),
- "failed to compile value to struct");
- return;
- }
- exprs.push_back (value);
-}
-
-void
-Compilation::visit (AST::StructExprFieldIndexValue &field)
-{
- Bexpression *value = NULL;
- VISIT_POP (field.get_value ()->get_locus_slow (), field.get_value ().get (), value, exprs);
- if (value == NULL)
- {
- rust_fatal_error (field.get_value ()->get_locus_slow (),
- "failed to compile value to struct");
- return;
- }
- exprs.push_back (value);
-}
-
-void
-Compilation::visit (AST::StructExprStructFields &expr)
-{
- AST::StructStruct *decl = NULL;
- if (!scope.LookupStructDecl (expr.get_struct_name ().as_string (), &decl))
- {
- rust_error_at (expr.get_locus (), "unknown type");
- return;
- }
-
- Btype *structType = NULL;
- if (!scope.LookupType (expr.get_struct_name ().as_string (), &structType))
- {
- rust_fatal_error (expr.get_locus (), "unknown type");
- return;
- }
-
- structBuffer.push_back (decl);
- std::vector<Bexpression *> constructor;
-
- // FIXME type resolution pass should ensures these are in correct order
- // and have defaults if required
- for (auto &field : expr.get_fields ())
- {
- Bexpression *value = NULL;
- VISIT_POP (expr.get_locus (), field, value, exprs);
- if (value == NULL)
- {
- rust_fatal_error (expr.get_locus (),
- "failed to compile value to struct");
- return;
- }
-
- constructor.push_back (value);
- }
-
- structBuffer.pop_back ();
- auto cons = backend->constructor_expression (structType, constructor,
- expr.get_locus ());
- exprs.push_back (cons);
-}
-
-void
-Compilation::visit (AST::StructExprStructBase &expr)
-{}
-void
-Compilation::visit (AST::StructExprTuple &expr)
-{}
-void
-Compilation::visit (AST::StructExprUnit &expr)
-{}
-// void Compilation::visit(EnumExprField& field) {}
-void
-Compilation::visit (AST::EnumExprFieldIdentifier &field)
-{}
-void
-Compilation::visit (AST::EnumExprFieldIdentifierValue &field)
-{}
-void
-Compilation::visit (AST::EnumExprFieldIndexValue &field)
-{}
-void
-Compilation::visit (AST::EnumExprStruct &expr)
-{}
-void
-Compilation::visit (AST::EnumExprTuple &expr)
-{}
-void
-Compilation::visit (AST::EnumExprFieldless &expr)
-{}
-
-void
-Compilation::visit (AST::CallExpr &expr)
-{
- Bexpression *fn = NULL;
- VISIT_POP (expr.get_function_expr ()->get_locus_slow (), expr.get_function_expr (), fn, exprs);
- if (fn == NULL)
- {
- rust_error_at (expr.get_function_expr ()->get_locus_slow (), "failed to resolve");
- return;
- }
-
- std::vector<Bexpression *> args;
- for (auto &param : expr.get_params ())
- {
- Bexpression *arg = NULL;
- VISIT_POP (param->get_locus_slow (), param, arg, exprs);
- if (arg == NULL)
- {
- rust_error_at (param->get_locus_slow (),
- "failed to compile argument");
- return;
- }
-
- args.push_back (arg);
- }
-
- auto call = backend->call_expression (scope.GetCurrentFndecl (), fn, args,
- NULL, expr.get_locus ());
- exprs.push_back (call);
-}
-
-void
-Compilation::visit (AST::MethodCallExpr &expr)
-{}
-void
-Compilation::visit (AST::FieldAccessExpr &expr)
-{}
-void
-Compilation::visit (AST::ClosureExprInner &expr)
-{}
-
-void
-Compilation::visit (AST::BlockExpr &expr)
-{
- Bblock *enclosingScope = NULL;
- Location start_location; /* = stmt.locus; FIXME */
- Location end_location; // FIXME
-
- std::vector<Bvariable *> vars;
- auto code_block
- = backend->block (scope.GetCurrentFndecl (), scope.CurBlock (), vars,
- start_location, end_location);
-
- scope.PushBlock (code_block);
- for (auto &stmt : expr.get_statements ())
- {
- stmt->accept_vis (*this);
- }
- // dont pop
-}
-
-void
-Compilation::visit (AST::ClosureExprInnerTyped &expr)
-{}
-void
-Compilation::visit (AST::ContinueExpr &expr)
-{}
-void
-Compilation::visit (AST::BreakExpr &expr)
-{}
-void
-Compilation::visit (AST::RangeFromToExpr &expr)
-{}
-void
-Compilation::visit (AST::RangeFromExpr &expr)
-{}
-void
-Compilation::visit (AST::RangeToExpr &expr)
-{}
-void
-Compilation::visit (AST::RangeFullExpr &expr)
-{}
-void
-Compilation::visit (AST::RangeFromToInclExpr &expr)
-{}
-void
-Compilation::visit (AST::RangeToInclExpr &expr)
-{}
-
-void
-Compilation::visit (AST::ReturnExpr &expr)
-{
- Bexpression *ret = NULL;
- VISIT_POP (expr.get_returned_expr ()->get_locus_slow (), expr.get_returned_expr ().get (), ret, exprs);
- if (ret == NULL)
- {
- rust_fatal_error (expr.get_returned_expr ()->get_locus_slow (),
- "failed to compile");
- return;
- }
-
- std::vector<Bexpression *> retstmts;
- retstmts.push_back (ret);
- auto s = backend->return_statement (scope.GetCurrentFndecl (), retstmts,
- expr.get_locus ());
- scope.AddStatement (s);
-}
-
-void
-Compilation::visit (AST::UnsafeBlockExpr &expr)
-{}
-
-void
-Compilation::visit (AST::LoopExpr &expr)
-{}
-
-void
-Compilation::visit (AST::WhileLoopExpr &expr)
-{}
-
-void
-Compilation::visit (AST::WhileLetLoopExpr &expr)
-{}
-void
-Compilation::visit (AST::ForLoopExpr &expr)
-{}
-
-void
-Compilation::visit (AST::IfExpr &expr)
-{
- Bexpression *cond = NULL;
- VISIT_POP (expr.get_condition_expr ()->get_locus_slow (),
- expr.get_condition_expr ().get (), cond, exprs);
- if (cond == NULL)
- {
- rust_error_at (expr.get_condition_expr ()->get_locus_slow (),
- "failed to compile");
- return;
- }
-
- expr.vis_if_block (*this);
- Bblock *then_block = scope.PopBlock ();
-
- auto stmt = backend->if_statement (scope.GetCurrentFndecl (), cond,
- then_block, NULL, expr.get_locus ());
- stmts.push_back (stmt);
-}
-
-void
-Compilation::visit (AST::IfExprConseqElse &expr)
-{
- Bexpression *cond = NULL;
- VISIT_POP (expr.get_condition_expr ()->get_locus_slow (),
- expr.get_condition_expr ().get (), cond, exprs);
- if (cond == NULL)
- {
- rust_error_at (expr.get_condition_expr ()->get_locus_slow (),
- "failed to compile");
- return;
- }
-
- expr.vis_if_block (*this);
- Bblock *then_block = scope.PopBlock ();
-
- expr.vis_else_block (*this);
- Bblock *else_block = scope.PopBlock ();
-
- auto stmt
- = backend->if_statement (scope.GetCurrentFndecl (), cond, then_block,
- else_block, expr.get_locus ());
- stmts.push_back (stmt);
-}
-
-void
-Compilation::visit (AST::IfExprConseqIf &expr)
-{
- Bexpression *cond = NULL;
- VISIT_POP (expr.get_condition_expr ()->get_locus_slow (),
- expr.get_condition_expr ().get (), cond, exprs);
- if (cond == NULL)
- {
- rust_error_at (expr.get_condition_expr ()->get_locus_slow (),
- "failed to compile");
- return;
- }
-
- expr.vis_if_block (*this);
- Bblock *then_block = scope.PopBlock ();
-
- // setup else block
- Bblock *enclosingScope = NULL;
- Location start_location; /* = stmt.locus; FIXME */
- Location end_location; // FIXME
-
- std::vector<Bvariable *> vars;
- auto else_block
- = backend->block (scope.GetCurrentFndecl (), scope.CurBlock (), vars,
- start_location, end_location);
-
- scope.PushBlock (else_block);
- expr.vis_conseq_if_expr (*this);
- // get trailing if required
- for (auto &s : stmts)
- scope.AddStatement (s);
- stmts.clear ();
- scope.PopBlock ();
-
- auto stmt
- = backend->if_statement (scope.GetCurrentFndecl (), cond, then_block,
- else_block, expr.get_locus ());
- stmts.push_back (stmt);
-}
-
-void
-Compilation::visit (AST::IfExprConseqIfLet &expr)
-{
- printf ("IfExprConseqIfLet %s\n", expr.as_string ().c_str ());
-}
-void
-Compilation::visit (AST::IfLetExpr &expr)
-{
- printf ("IfLetExpr %s\n", expr.as_string ().c_str ());
-}
-void
-Compilation::visit (AST::IfLetExprConseqElse &expr)
-{
- printf ("IfLetExprConseqElse %s\n", expr.as_string ().c_str ());
-}
-
-void
-Compilation::visit (AST::IfLetExprConseqIf &expr)
-{
- printf ("IfLetExprConseqIf %s\n", expr.as_string ().c_str ());
-}
-
-void
-Compilation::visit (AST::IfLetExprConseqIfLet &expr)
-{
- printf ("IfLetExprConseqIfLet %s\n", expr.as_string ().c_str ());
-}
-
-// void Compilation::visit(MatchCase& match_case) {}
-/*void
-Compilation::visit (AST::MatchCaseBlockExpr &match_case)
-{}*/
-/*void
-Compilation::visit (AST::MatchCaseExpr &match_case)
-{}*/
-void
-Compilation::visit (AST::MatchExpr &expr)
-{}
-void
-Compilation::visit (AST::AwaitExpr &expr)
-{}
-void
-Compilation::visit (AST::AsyncBlockExpr &expr)
-{}
-
-// rust-item.h
-void
-Compilation::visit (AST::TypeParam &param)
-{}
-// void Compilation::visit(WhereClauseItem& item) {}
-void
-Compilation::visit (AST::LifetimeWhereClauseItem &item)
-{}
-void
-Compilation::visit (AST::TypeBoundWhereClauseItem &item)
-{}
-void
-Compilation::visit (AST::Method &method)
-{}
-void
-Compilation::visit (AST::ModuleBodied &module)
-{}
-void
-Compilation::visit (AST::ModuleNoBody &module)
-{}
-void
-Compilation::visit (AST::ExternCrate &crate)
-{}
-// void Compilation::visit(UseTree& use_tree) {}
-void
-Compilation::visit (AST::UseTreeGlob &use_tree)
-{}
-void
-Compilation::visit (AST::UseTreeList &use_tree)
-{}
-void
-Compilation::visit (AST::UseTreeRebind &use_tree)
-{}
-void
-Compilation::visit (AST::UseDeclaration &use_decl)
-{}
-
-void
-Compilation::visit (AST::Function &function)
-{
- Backend::Btyped_identifier receiver;
- std::vector<Backend::Btyped_identifier> parameters;
- std::vector<Backend::Btyped_identifier> results;
-
- for (auto &param : function.get_function_params ())
- {
- // translate the type
- translatedType = NULL;
- param.get_type ()->accept_vis (*this);
- if (translatedType == NULL)
- {
- rust_error_at (param.get_locus (), "failed to generate type for parameter");
- return;
- }
-
- auto before = patternBuffer.size ();
- param.get_pattern ()->accept_vis (*this);
- if (patternBuffer.size () <= before)
- {
- rust_error_at (param.get_locus (), "failed to analyse parameter name");
- return;
- }
-
- auto numParamsPerType = patternBuffer.size () - before;
- for (size_t i = 0; i < numParamsPerType; i++)
- {
- auto paramName = patternBuffer.back ();
- patternBuffer.pop_back ();
- parameters.push_back (
- Backend::Btyped_identifier (paramName.get_ident (),
- translatedType, param.get_locus ()));
- }
- }
-
- Btype *returnType = NULL;
- if (function.has_return_type ())
- {
- translatedType = NULL;
- function.get_return_type ()->accept_vis (*this);
- if (translatedType == NULL)
- {
- rust_fatal_error (function.get_locus (),
- "failed to generate type for function");
- return;
- }
- returnType = translatedType;
-
- // add into the results:
- results.push_back (
- Backend::Btyped_identifier ("_", translatedType, Location ()));
- }
+// Copyright (C) 2020 Free Software Foundation, Inc.
- Btype *fntype = backend->function_type (receiver, parameters, results, NULL,
- function.get_locus ());
- Bfunction *fndecl
- = backend->function (fntype, function.get_function_name (), "" /* asm_name */,
- 0 /* flags */, function.get_locus ());
+// This file is part of GCC.
- scope.InsertFunction (function.get_function_name (), fndecl, returnType);
- scope.Push ();
+// GCC is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free
+// Software Foundation; either version 3, or (at your option) any later
+// version.
- // setup the params
- std::vector<Bvariable *> param_vars;
- for (auto &param : parameters)
- {
- bool tree_addressable = false;
- auto p = backend->parameter_variable (fndecl, param.name, param.btype,
- tree_addressable, param.location);
+// GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+// for more details.
- scope.InsertVar (param.name, p);
- param_vars.push_back (p);
- }
+// You should have received a copy of the GNU General Public License
+// along with GCC; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
- if (!backend->function_set_parameters (fndecl, param_vars))
- {
- rust_error_at (function.get_locus (), "failed to setup parameter variables");
- return;
- }
-
- std::vector<Bvariable *> vars;
- for (auto &decl : function.locals)
- {
- if (!compileVarDecl (fndecl, decl, vars))
- {
- rust_error_at (decl->get_locus (), "failed to compile var decl");
- return;
- }
- }
-
- // is null for top level functions - nested functions will have an enclosing
- // scope
- Bblock *enclosingScope = NULL;
- Location start_location = function.get_locus ();
- Location end_location;
- if (function.get_definition ()->get_statements ().size () > 0)
- {
- end_location
- = function.get_definition ()->get_statements ().back ()->get_locus_slow ();
- }
-
- auto code_block = backend->block (fndecl, enclosingScope, vars,
- start_location, end_location);
-
- scope.PushBlock (code_block);
-
- Bvariable *retDecl = NULL;
- if (function.has_return_type ())
- {
- bool address_is_taken = false;
- Bstatement *ret_var_stmt = NULL;
- retDecl = backend->temporary_variable (fndecl, code_block, returnType,
- NULL, address_is_taken,
- function.get_locus (), &ret_var_stmt);
- scope.AddStatement (ret_var_stmt);
- }
- scope.PushCurrentFunction (function.get_function_name (), fndecl, returnType,
- retDecl);
-
- for (auto &stmt : function.get_definition ()->get_statements ())
- stmt->accept_vis (*this);
-
- scope.PopBlock ();
-
- auto body = backend->block_statement (code_block);
- if (!backend->function_set_body (fndecl, body))
- {
- rust_error_at (function.get_locus (), "failed to set body to function");
- return;
- }
-
- scope.Pop ();
- scope.PopCurrentFunction ();
-
- func_decls.push_back (fndecl);
-}
-
-void
-Compilation::visit (AST::TypeAlias &type_alias)
-{}
-
-void
-Compilation::visit (AST::StructStruct &struct_item)
-{
- std::vector<Backend::Btyped_identifier> fields;
- for (auto &field : struct_item.get_fields ())
- {
- translatedType = NULL;
- field.get_field_type ()->accept_vis (*this);
- if (translatedType == NULL)
- {
- rust_fatal_error (
- struct_item.get_locus () /* StructField is mi sing locus */,
- "failed to compile struct field");
- return;
- }
-
- fields.push_back (Backend::Btyped_identifier (
- field.get_field_name (), translatedType,
- struct_item.get_locus () /* StructField is mi sing locus */));
- }
-
- auto compiledStruct
- = backend->placeholder_struct_type (struct_item.get_struct_name (),
- struct_item.get_locus ());
- bool ok = backend->set_placeholder_struct_type (compiledStruct, fields);
- if (!ok)
- {
- rust_fatal_error (struct_item.get_locus (), "failed to compile struct");
- return;
- }
-
- type_decls.push_back (compiledStruct);
- scope.InsertType (struct_item.get_struct_name (), compiledStruct);
- scope.InsertStructDecl (struct_item.get_struct_name (), &struct_item);
-}
-
-void
-Compilation::visit (AST::TupleStruct &tuple_struct)
-{}
-void
-Compilation::visit (AST::EnumItem &item)
-{}
-void
-Compilation::visit (AST::EnumItemTuple &item)
-{}
-void
-Compilation::visit (AST::EnumItemStruct &item)
-{}
-void
-Compilation::visit (AST::EnumItemDiscriminant &item)
-{}
-void
-Compilation::visit (AST::Enum &enum_item)
-{}
-void
-Compilation::visit (AST::Union &union_item)
-{}
-void
-Compilation::visit (AST::ConstantItem &const_item)
-{}
-void
-Compilation::visit (AST::StaticItem &static_item)
-{}
-void
-Compilation::visit (AST::TraitItemFunc &item)
-{}
-void
-Compilation::visit (AST::TraitItemMethod &item)
-{}
-void
-Compilation::visit (AST::TraitItemConst &item)
-{}
-void
-Compilation::visit (AST::TraitItemType &item)
-{}
-void
-Compilation::visit (AST::Trait &trait)
-{}
-void
-Compilation::visit (AST::InherentImpl &impl)
-{}
-void
-Compilation::visit (AST::TraitImpl &impl)
-{}
-// void Compilation::visit(ExternalItem& item) {}
-void
-Compilation::visit (AST::ExternalStaticItem &item)
-{}
-void
-Compilation::visit (AST::ExternalFunctionItem &item)
-{}
-void
-Compilation::visit (AST::ExternBlock &block)
-{}
-
-// rust-macro.h
-void
-Compilation::visit (AST::MacroMatchFragment &match)
-{}
-void
-Compilation::visit (AST::MacroMatchRepetition &match)
-{}
-void
-Compilation::visit (AST::MacroMatcher &matcher)
-{}
-void
-Compilation::visit (AST::MacroRulesDefinition &rules_def)
-{}
-void
-Compilation::visit (AST::MacroInvocation &macro_invoc)
-{}
-void
-Compilation::visit (AST::MetaItemPath &meta_item)
-{}
-void
-Compilation::visit (AST::MetaItemSeq &meta_item)
-{}
-void
-Compilation::visit (AST::MetaWord &meta_item)
-{}
-void
-Compilation::visit (AST::MetaNameValueStr &meta_item)
-{}
-void
-Compilation::visit (AST::MetaListPaths &meta_item)
-{}
-void
-Compilation::visit (AST::MetaListNameValueStr &meta_item)
-{}
-
-// rust-pattern.h
-void
-Compilation::visit (AST::LiteralPattern &pattern)
-{
- printf ("LiteralPattern: %s\n", pattern.as_string ().c_str ());
-}
-
-void
-Compilation::visit (AST::IdentifierPattern &pattern)
-{
- patternBuffer.push_back (pattern);
-}
+#include "rust-compile.h"
+#include "rust-compile-item.h"
-void
-Compilation::visit (AST::WildcardPattern &pattern)
-{}
-// void Compilation::visit(RangePatternBound& bound) {}
-void
-Compilation::visit (AST::RangePatternBoundLiteral &bound)
-{}
-void
-Compilation::visit (AST::RangePatternBoundPath &bound)
-{}
-void
-Compilation::visit (AST::RangePatternBoundQualPath &bound)
-{}
-void
-Compilation::visit (AST::RangePattern &pattern)
-{}
-void
-Compilation::visit (AST::ReferencePattern &pattern)
-{}
-// void Compilation::visit(StructPatternField& field) {}
-void
-Compilation::visit (AST::StructPatternFieldTuplePat &field)
-{}
-void
-Compilation::visit (AST::StructPatternFieldIdentPat &field)
-{}
-void
-Compilation::visit (AST::StructPatternFieldIdent &field)
-{}
-void
-Compilation::visit (AST::StructPattern &pattern)
-{}
-// void Compilation::visit(TupleStructItems& tuple_items) {}
-void
-Compilation::visit (AST::TupleStructItemsNoRange &tuple_items)
-{}
-void
-Compilation::visit (AST::TupleStructItemsRange &tuple_items)
-{}
-void
-Compilation::visit (AST::TupleStructPattern &pattern)
-{}
-// void Compilation::visit(TuplePatternItems& tuple_items) {}
-void
-Compilation::visit (AST::TuplePatternItemsMultiple &tuple_items)
-{}
-void
-Compilation::visit (AST::TuplePatternItemsRanged &tuple_items)
-{}
-void
-Compilation::visit (AST::TuplePattern &pattern)
-{}
-void
-Compilation::visit (AST::GroupedPattern &pattern)
-{}
-void
-Compilation::visit (AST::SlicePattern &pattern)
-{}
+namespace Rust {
+namespace Compile {
-// rust-stmt.h
-void
-Compilation::visit (AST::EmptyStmt &stmt)
+CompileCrate::CompileCrate (HIR::Crate &crate, Context *ctx)
+ : crate (crate), ctx (ctx)
{}
-void
-
-Compilation::visit (AST::LetStmt &stmt)
-{
- if (!stmt.has_init_expr ())
- return;
-
- stmt.get_pattern ()->accept_vis (*this);
- for (auto &pattern : patternBuffer)
- {
- Bvariable *var = NULL;
- if (!scope.LookupVar (pattern.get_ident (), &var))
- {
- rust_error_at (stmt.get_locus (), "failed to find var decl for %s",
- pattern.get_ident ().c_str ());
- return;
- }
-
- varBuffer.push_back (var);
-
- Bexpression *init = NULL;
- VISIT_POP (stmt.get_init_expr ()->get_locus_slow (), stmt.get_init_expr (), init,
- exprs);
- if (init == NULL)
- {
- rust_error_at (stmt.get_init_expr ()->get_locus_slow (),
- "failed to compile init statement");
- return;
- }
- auto s = backend->init_statement (scope.GetCurrentFndecl (), var, init);
- scope.AddStatement (s);
-
- varBuffer.pop_back ();
- }
- patternBuffer.clear ();
-}
+CompileCrate::~CompileCrate () {}
void
-Compilation::visit (AST::ExprStmtWithoutBlock &stmt)
-{
- stmt.get_expr ()->accept_vis (*this);
-}
+CompileCrate::Compile (HIR::Crate &crate, Context *ctx)
-void
-Compilation::visit (AST::ExprStmtWithBlock &stmt)
{
- Bblock *enclosingScope = NULL;
- Location start_location; /* = stmt.locus; FIXME */
- Location end_location; // FIXME
-
- std::vector<Bvariable *> vars;
- auto code_block
- = backend->block (scope.GetCurrentFndecl (), scope.CurBlock (), vars,
- start_location, end_location);
-
- scope.PushBlock (code_block);
- stmt.get_expr ()->accept_vis (*this);
-
- // get trailing if required
- for (auto &s : stmts)
- {
- scope.AddStatement (s);
- }
- stmts.clear ();
-
- scope.PopBlock ();
-
- auto body = backend->block_statement (code_block);
- scope.AddStatement (body);
+ CompileCrate c (crate, ctx);
+ c.go ();
}
-// rust-type.h
-void
-Compilation::visit (AST::TraitBound &bound)
-{}
-void
-Compilation::visit (AST::ImplTraitType &type)
-{}
-void
-Compilation::visit (AST::TraitObjectType &type)
-{}
-void
-Compilation::visit (AST::ParenthesisedType &type)
-{}
-void
-Compilation::visit (AST::ImplTraitTypeOneBound &type)
-{}
-void
-Compilation::visit (AST::TraitObjectTypeOneBound &type)
-{}
-void
-Compilation::visit (AST::TupleType &type)
-{}
-void
-Compilation::visit (AST::NeverType &type)
-{}
-void
-Compilation::visit (AST::RawPointerType &type)
-{}
-void
-Compilation::visit (AST::ReferenceType &type)
-{}
-
void
-Compilation::visit (AST::ArrayType &type)
+CompileCrate::go ()
{
- Btype *elementType;
- translatedType = nullptr;
- type.get_elem_type ()->accept_vis (*this);
- if (translatedType == nullptr)
- {
- rust_error_at (type.get_locus (),
- "Failed to compile element type for array");
- return;
- }
- elementType = translatedType;
-
- Bexpression *length = nullptr;
- VISIT_POP (type.get_size_expr ()->get_locus_slow (), type.get_size_expr (),
- length, exprs);
- if (length == nullptr)
- {
- rust_error_at (type.get_size_expr ()->get_locus_slow (),
- "failed to size for array type");
- return;
- }
-
- translatedType = backend->array_type (elementType, length);
+ for (auto it = crate.items.begin (); it != crate.items.end (); it++)
+ CompileItem::compile (it->get (), ctx);
}
-void
-Compilation::visit (AST::SliceType &type)
-{}
-void
-Compilation::visit (AST::InferredType &type)
-{}
-void
-Compilation::visit (AST::BareFunctionType &type)
-{}
-
} // namespace Compile
} // namespace Rust
diff --git a/gcc/rust/backend/rust-compile.h b/gcc/rust/backend/rust-compile.h
index 88c8318..18f3e54 100644
--- a/gcc/rust/backend/rust-compile.h
+++ b/gcc/rust/backend/rust-compile.h
@@ -1,257 +1,47 @@
-#pragma once
+// Copyright (C) 2020 Free Software Foundation, Inc.
-#include "rust-system.h"
-#include "rust-ast-full.h"
-#include "rust-ast-visitor.h"
-#include "rust-backend.h"
-#include "cscope.h"
+// This file is part of GCC.
-namespace Rust {
-namespace Compile {
+// GCC is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free
+// Software Foundation; either version 3, or (at your option) any later
+// version.
-class Compilation : public AST::ASTVisitor
-{
-public:
- static bool Compile (AST::Crate &crate, ::Backend *backend);
+// GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+// for more details.
- ~Compilation ();
+// You should have received a copy of the GNU General Public License
+// along with GCC; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
- // visitor impl
- // rust-ast.h
- // virtual void visit(AttrInput& attr_input);
- // virtual void visit(TokenTree& token_tree);
- // virtual void visit(MacroMatch& macro_match);
- virtual void visit (AST::Token &tok);
- virtual void visit (AST::DelimTokenTree &delim_tok_tree);
- virtual void visit (AST::AttrInputMetaItemContainer &input);
- // virtual void visit(MetaItem& meta_item);
- // virtual void vsit(Stmt& stmt);
- // virtual void visit(Expr& expr);
- virtual void visit (AST::IdentifierExpr &ident_expr);
- // virtual void visit(Pattern& pattern);
- // virtual void visit(Type& type);
- // virtual void visit(TypeParamBound& type_param_bound);
- virtual void visit (AST::Lifetime &lifetime);
- // virtual void visit(GenericParam& generic_param);
- virtual void visit (AST::LifetimeParam &lifetime_param);
- // virtual void visit(TraitItem& trait_item);
- // virtual void visit(InherentImplItem& inherent_impl_item);
- // virtual void visit(TraitImplItem& trait_impl_item);
- virtual void visit (AST::MacroInvocationSemi &macro);
+#ifndef RUST_COMPILE_H
+#define RUST_COMPILE_H
- // rust-path.h
- virtual void visit (AST::PathInExpression &path);
- virtual void visit (AST::TypePathSegment &segment);
- virtual void visit (AST::TypePathSegmentGeneric &segment);
- virtual void visit (AST::TypePathSegmentFunction &segment);
- virtual void visit (AST::TypePath &path);
- virtual void visit (AST::QualifiedPathInExpression &path);
- virtual void visit (AST::QualifiedPathInType &path);
-
- // rust-expr.h
- virtual void visit (AST::LiteralExpr &expr);
- virtual void visit (AST::AttrInputLiteral &attr_input);
- virtual void visit (AST::MetaItemLitExpr &meta_item);
- virtual void visit (AST::MetaItemPathLit &meta_item);
- virtual void visit (AST::BorrowExpr &expr);
- virtual void visit (AST::DereferenceExpr &expr);
- virtual void visit (AST::ErrorPropagationExpr &expr);
- virtual void visit (AST::NegationExpr &expr);
- virtual void visit (AST::ArithmeticOrLogicalExpr &expr);
- virtual void visit (AST::ComparisonExpr &expr);
- virtual void visit (AST::LazyBooleanExpr &expr);
- virtual void visit (AST::TypeCastExpr &expr);
- virtual void visit (AST::AssignmentExpr &expr);
- virtual void visit (AST::CompoundAssignmentExpr &expr);
- virtual void visit (AST::GroupedExpr &expr);
- // virtual void visit(ArrayElems& elems);
- virtual void visit (AST::ArrayElemsValues &elems);
- virtual void visit (AST::ArrayElemsCopied &elems);
- virtual void visit (AST::ArrayExpr &expr);
- virtual void visit (AST::ArrayIndexExpr &expr);
- virtual void visit (AST::TupleExpr &expr);
- virtual void visit (AST::TupleIndexExpr &expr);
- virtual void visit (AST::StructExprStruct &expr);
- // virtual void visit(StructExprField& field);
- virtual void visit (AST::StructExprFieldIdentifier &field);
- virtual void visit (AST::StructExprFieldIdentifierValue &field);
- virtual void visit (AST::StructExprFieldIndexValue &field);
- virtual void visit (AST::StructExprStructFields &expr);
- virtual void visit (AST::StructExprStructBase &expr);
- virtual void visit (AST::StructExprTuple &expr);
- virtual void visit (AST::StructExprUnit &expr);
- // virtual void visit(EnumExprField& field);
- virtual void visit (AST::EnumExprFieldIdentifier &field);
- virtual void visit (AST::EnumExprFieldIdentifierValue &field);
- virtual void visit (AST::EnumExprFieldIndexValue &field);
- virtual void visit (AST::EnumExprStruct &expr);
- virtual void visit (AST::EnumExprTuple &expr);
- virtual void visit (AST::EnumExprFieldless &expr);
- virtual void visit (AST::CallExpr &expr);
- virtual void visit (AST::MethodCallExpr &expr);
- virtual void visit (AST::FieldAccessExpr &expr);
- virtual void visit (AST::ClosureExprInner &expr);
- virtual void visit (AST::BlockExpr &expr);
- virtual void visit (AST::ClosureExprInnerTyped &expr);
- virtual void visit (AST::ContinueExpr &expr);
- virtual void visit (AST::BreakExpr &expr);
- virtual void visit (AST::RangeFromToExpr &expr);
- virtual void visit (AST::RangeFromExpr &expr);
- virtual void visit (AST::RangeToExpr &expr);
- virtual void visit (AST::RangeFullExpr &expr);
- virtual void visit (AST::RangeFromToInclExpr &expr);
- virtual void visit (AST::RangeToInclExpr &expr);
- virtual void visit (AST::ReturnExpr &expr);
- virtual void visit (AST::UnsafeBlockExpr &expr);
- virtual void visit (AST::LoopExpr &expr);
- virtual void visit (AST::WhileLoopExpr &expr);
- virtual void visit (AST::WhileLetLoopExpr &expr);
- virtual void visit (AST::ForLoopExpr &expr);
- virtual void visit (AST::IfExpr &expr);
- virtual void visit (AST::IfExprConseqElse &expr);
- virtual void visit (AST::IfExprConseqIf &expr);
- virtual void visit (AST::IfExprConseqIfLet &expr);
- virtual void visit (AST::IfLetExpr &expr);
- virtual void visit (AST::IfLetExprConseqElse &expr);
- virtual void visit (AST::IfLetExprConseqIf &expr);
- virtual void visit (AST::IfLetExprConseqIfLet &expr);
- // virtual void visit(MatchCase& match_case);
- // virtual void visit (AST::MatchCaseBlockExpr &match_case);
- // virtual void visit (AST::MatchCaseExpr &match_case);
- virtual void visit (AST::MatchExpr &expr);
- virtual void visit (AST::AwaitExpr &expr);
- virtual void visit (AST::AsyncBlockExpr &expr);
-
- // rust-item.h
- virtual void visit (AST::TypeParam &param);
- // virtual void visit(WhereClauseItem& item);
- virtual void visit (AST::LifetimeWhereClauseItem &item);
- virtual void visit (AST::TypeBoundWhereClauseItem &item);
- virtual void visit (AST::Method &method);
- virtual void visit (AST::ModuleBodied &module);
- virtual void visit (AST::ModuleNoBody &module);
- virtual void visit (AST::ExternCrate &crate);
- // virtual void visit(UseTree& use_tree);
- virtual void visit (AST::UseTreeGlob &use_tree);
- virtual void visit (AST::UseTreeList &use_tree);
- virtual void visit (AST::UseTreeRebind &use_tree);
- virtual void visit (AST::UseDeclaration &use_decl);
- virtual void visit (AST::Function &function);
- virtual void visit (AST::TypeAlias &type_alias);
- virtual void visit (AST::StructStruct &struct_item);
- virtual void visit (AST::TupleStruct &tuple_struct);
- virtual void visit (AST::EnumItem &item);
- virtual void visit (AST::EnumItemTuple &item);
- virtual void visit (AST::EnumItemStruct &item);
- virtual void visit (AST::EnumItemDiscriminant &item);
- virtual void visit (AST::Enum &enum_item);
- virtual void visit (AST::Union &union_item);
- virtual void visit (AST::ConstantItem &const_item);
- virtual void visit (AST::StaticItem &static_item);
- virtual void visit (AST::TraitItemFunc &item);
- virtual void visit (AST::TraitItemMethod &item);
- virtual void visit (AST::TraitItemConst &item);
- virtual void visit (AST::TraitItemType &item);
- virtual void visit (AST::Trait &trait);
- virtual void visit (AST::InherentImpl &impl);
- virtual void visit (AST::TraitImpl &impl);
- // virtual void visit(ExternalItem& item);
- virtual void visit (AST::ExternalStaticItem &item);
- virtual void visit (AST::ExternalFunctionItem &item);
- virtual void visit (AST::ExternBlock &block);
-
- // rust-macro.h
- virtual void visit (AST::MacroMatchFragment &match);
- virtual void visit (AST::MacroMatchRepetition &match);
- virtual void visit (AST::MacroMatcher &matcher);
- virtual void visit (AST::MacroRulesDefinition &rules_def);
- virtual void visit (AST::MacroInvocation &macro_invoc);
- virtual void visit (AST::MetaItemPath &meta_item);
- virtual void visit (AST::MetaItemSeq &meta_item);
- virtual void visit (AST::MetaWord &meta_item);
- virtual void visit (AST::MetaNameValueStr &meta_item);
- virtual void visit (AST::MetaListPaths &meta_item);
- virtual void visit (AST::MetaListNameValueStr &meta_item);
+#include "rust-system.h"
+#include "rust-hir-full.h"
+#include "rust-compile-context.h"
- // rust-pattern.h
- virtual void visit (AST::LiteralPattern &pattern);
- virtual void visit (AST::IdentifierPattern &pattern);
- virtual void visit (AST::WildcardPattern &pattern);
- // virtual void visit(RangePatternBound& bound);
- virtual void visit (AST::RangePatternBoundLiteral &bound);
- virtual void visit (AST::RangePatternBoundPath &bound);
- virtual void visit (AST::RangePatternBoundQualPath &bound);
- virtual void visit (AST::RangePattern &pattern);
- virtual void visit (AST::ReferencePattern &pattern);
- // virtual void visit(StructPatternField& field);
- virtual void visit (AST::StructPatternFieldTuplePat &field);
- virtual void visit (AST::StructPatternFieldIdentPat &field);
- virtual void visit (AST::StructPatternFieldIdent &field);
- virtual void visit (AST::StructPattern &pattern);
- // virtual void visit(TupleStructItems& tuple_items);
- virtual void visit (AST::TupleStructItemsNoRange &tuple_items);
- virtual void visit (AST::TupleStructItemsRange &tuple_items);
- virtual void visit (AST::TupleStructPattern &pattern);
- // virtual void visit(TuplePatternItems& tuple_items);
- virtual void visit (AST::TuplePatternItemsMultiple &tuple_items);
- virtual void visit (AST::TuplePatternItemsRanged &tuple_items);
- virtual void visit (AST::TuplePattern &pattern);
- virtual void visit (AST::GroupedPattern &pattern);
- virtual void visit (AST::SlicePattern &pattern);
+namespace Rust {
+namespace Compile {
- // rust-stmt.h
- virtual void visit (AST::EmptyStmt &stmt);
- virtual void visit (AST::LetStmt &stmt);
- virtual void visit (AST::ExprStmtWithoutBlock &stmt);
- virtual void visit (AST::ExprStmtWithBlock &stmt);
+class CompileCrate
+{
+public:
+ static void Compile (HIR::Crate &crate, Context *ctx);
- // rust-type.h
- virtual void visit (AST::TraitBound &bound);
- virtual void visit (AST::ImplTraitType &type);
- virtual void visit (AST::TraitObjectType &type);
- virtual void visit (AST::ParenthesisedType &type);
- virtual void visit (AST::ImplTraitTypeOneBound &type);
- virtual void visit (AST::TraitObjectTypeOneBound &type);
- virtual void visit (AST::TupleType &type);
- virtual void visit (AST::NeverType &type);
- virtual void visit (AST::RawPointerType &type);
- virtual void visit (AST::ReferenceType &type);
- virtual void visit (AST::ArrayType &type);
- virtual void visit (AST::SliceType &type);
- virtual void visit (AST::InferredType &type);
- virtual void visit (AST::BareFunctionType &type);
+ ~CompileCrate ();
private:
- Compilation (AST::Crate &crate, Backend *backend);
- bool go ();
-
- AST::Crate &crate;
- Backend *backend;
+ CompileCrate (HIR::Crate &crate, Context *ctx);
+ void go ();
- // utils
- bool compileVarDecl (Bfunction *fndecl, AST::LetStmt *stmt,
- std::vector<Bvariable *> &vars);
-
- Bexpression *compileBooleanLiteral (std::string val);
- Bexpression *compileFloatLiteral (std::string val, Location locus);
- Bexpression *compileIntegerLiteral (std::string val, Location locus);
-
- // state
- Scope scope;
- ::Btype *translatedType;
- std::vector<AST::IdentifierPattern> patternBuffer;
- std::vector< ::Bexpression *> exprs;
- std::vector< ::Bstatement *> stmts;
- std::vector< ::Bvariable *> varBuffer;
- std::vector<AST::StructStruct *> structBuffer;
- std::vector<std::vector< ::Bexpression *> > arrayConsStack;
-
- // careful these are the vectors we pass into the GCC middle-end
- std::vector< ::Btype *> type_decls;
- std::vector< ::Bvariable *> var_decls;
- std::vector< ::Bexpression *> const_decls;
- std::vector< ::Bfunction *> func_decls;
+ HIR::Crate &crate;
+ Context *ctx;
};
} // namespace Compile
} // namespace Rust
+
+#endif // RUST_COMPILE_H