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-rw-r--r--gcc/rust/analysis/rust-resolution.cc867
1 files changed, 0 insertions, 867 deletions
diff --git a/gcc/rust/analysis/rust-resolution.cc b/gcc/rust/analysis/rust-resolution.cc
deleted file mode 100644
index 731801a..0000000
--- a/gcc/rust/analysis/rust-resolution.cc
+++ /dev/null
@@ -1,867 +0,0 @@
-#include "rust-resolution.h"
-#include "rust-diagnostics.h"
-
-#define ADD_BUILTIN_TYPE(_X, _S) \
- do \
- { \
- AST::PathIdentSegment seg (_X); \
- auto typePath = ::std::unique_ptr<AST::TypePathSegment> ( \
- new AST::TypePathSegment (::std::move (seg), false, \
- Linemap::unknown_location ())); \
- ::std::vector< ::std::unique_ptr<AST::TypePathSegment> > segs; \
- segs.push_back (::std::move (typePath)); \
- auto bType = new AST::TypePath (::std::move (segs), \
- Linemap::unknown_location (), false); \
- _S.Insert (_X, bType); \
- } \
- while (0)
-
-namespace Rust {
-namespace Analysis {
-
-TypeResolution::TypeResolution (AST::Crate &crate, TopLevelScan &toplevel)
- : crate (crate), toplevel (toplevel)
-{
- typeScope.Push ();
- scope.Push ();
-
- // push all builtin types - this is probably too basic for future needs
- ADD_BUILTIN_TYPE ("u8", typeScope);
- ADD_BUILTIN_TYPE ("u16", typeScope);
- ADD_BUILTIN_TYPE ("u32", typeScope);
- ADD_BUILTIN_TYPE ("u64", typeScope);
-
- ADD_BUILTIN_TYPE ("i8", typeScope);
- ADD_BUILTIN_TYPE ("i16", typeScope);
- ADD_BUILTIN_TYPE ("i32", typeScope);
- ADD_BUILTIN_TYPE ("i64", typeScope);
-
- ADD_BUILTIN_TYPE ("f32", typeScope);
- ADD_BUILTIN_TYPE ("f64", typeScope);
-
- ADD_BUILTIN_TYPE ("char", typeScope);
- ADD_BUILTIN_TYPE ("str", typeScope);
- ADD_BUILTIN_TYPE ("bool", typeScope);
-}
-
-TypeResolution::~TypeResolution ()
-{
- typeScope.Pop ();
- scope.Pop ();
-}
-
-bool
-TypeResolution::ResolveNamesAndTypes (AST::Crate &crate, TopLevelScan &toplevel)
-{
- TypeResolution resolver (crate, toplevel);
- return resolver.go ();
-}
-
-bool
-TypeResolution::go ()
-{
- for (auto &item : crate.items)
- item->accept_vis (*this);
-
- return true;
-}
-
-bool
-TypeResolution::typesAreCompatible (AST::Type *lhs, AST::Type *rhs,
- Location locus)
-{
- lhs->accept_vis (*this);
- rhs->accept_vis (*this);
-
- auto rhsTypeStr = typeComparisonBuffer.back ();
- typeComparisonBuffer.pop_back ();
- auto lhsTypeStr = typeComparisonBuffer.back ();
- typeComparisonBuffer.pop_back ();
-
- // FIXME this needs to handle the cases of an i8 going into an i32 which is
- // compatible
- if (lhsTypeStr.compare (rhsTypeStr))
- {
- rust_error_at (locus, "E0308: expected: %s, found %s",
- lhsTypeStr.c_str (), rhsTypeStr.c_str ());
- return false;
- }
-
- return true;
-}
-
-void
-TypeResolution::visit (AST::Token &tok)
-{}
-
-void
-TypeResolution::visit (AST::DelimTokenTree &delim_tok_tree)
-{}
-
-void
-TypeResolution::visit (AST::AttrInputMetaItemContainer &input)
-{}
-
-void
-TypeResolution::visit (AST::IdentifierExpr &ident_expr)
-{
- AST::Type *type = NULL;
- bool ok = scope.Lookup (ident_expr.ident, &type);
- if (!ok)
- {
- rust_error_at (ident_expr.locus, "unknown identifier");
- return;
- }
-
- typeBuffer.push_back (type);
-}
-
-void
-TypeResolution::visit (AST::Lifetime &lifetime)
-{}
-
-void
-TypeResolution::visit (AST::LifetimeParam &lifetime_param)
-{}
-
-void
-TypeResolution::visit (AST::MacroInvocationSemi &macro)
-{}
-
-// rust-path.h
-void
-TypeResolution::visit (AST::PathInExpression &path)
-{
- printf ("PathInExpression: %s\n", path.as_string ().c_str ());
-}
-
-void
-TypeResolution::visit (AST::TypePathSegment &segment)
-{}
-void
-TypeResolution::visit (AST::TypePathSegmentGeneric &segment)
-{}
-
-void
-TypeResolution::visit (AST::TypePathSegmentFunction &segment)
-{}
-
-void
-TypeResolution::visit (AST::TypePath &path)
-{
- // this may not be robust enough for type comparisons but lets try it for now
- typeComparisonBuffer.push_back (path.as_string ());
-}
-
-void
-TypeResolution::visit (AST::QualifiedPathInExpression &path)
-{
- typeComparisonBuffer.push_back (path.as_string ());
-}
-
-void
-TypeResolution::visit (AST::QualifiedPathInType &path)
-{
- typeComparisonBuffer.push_back (path.as_string ());
-}
-
-// rust-expr.h
-void
-TypeResolution::visit (AST::LiteralExpr &expr)
-{
- std::string type;
- switch (expr.literal.get_lit_type ())
- {
- case AST::Literal::CHAR:
- type = "char";
- break;
-
- case AST::Literal::STRING:
- case AST::Literal::RAW_STRING:
- type = "str";
- break;
-
- case AST::Literal::BOOL:
- type = "bool";
- break;
-
- case AST::Literal::BYTE:
- type = "u8";
- break;
-
- // FIXME these are not always going to be the case
- // eg: suffix on the value can change the type
- case AST::Literal::FLOAT:
- type = "f32";
- break;
-
- case AST::Literal::INT:
- type = "i32";
- break;
-
- case AST::Literal::BYTE_STRING:
- case AST::Literal::RAW_BYTE_STRING:
- // FIXME
- break;
- }
-
- if (type.empty ())
- {
- rust_error_at (expr.locus, "unknown literal: %s",
- expr.literal.as_string ().c_str ());
- return;
- }
-
- AST::Type *val = NULL;
- bool ok = typeScope.Lookup (type, &val);
- if (ok)
- typeBuffer.push_back (val);
- else
- rust_error_at (expr.locus, "unknown literal type: %s", type.c_str ());
-}
-
-void
-TypeResolution::visit (AST::AttrInputLiteral &attr_input)
-{}
-
-void
-TypeResolution::visit (AST::MetaItemLitExpr &meta_item)
-{}
-
-void
-TypeResolution::visit (AST::MetaItemPathLit &meta_item)
-{}
-
-void
-TypeResolution::visit (AST::BorrowExpr &expr)
-{}
-void
-TypeResolution::visit (AST::DereferenceExpr &expr)
-{}
-void
-TypeResolution::visit (AST::ErrorPropagationExpr &expr)
-{}
-void
-TypeResolution::visit (AST::NegationExpr &expr)
-{}
-
-void
-TypeResolution::visit (AST::ArithmeticOrLogicalExpr &expr)
-{
- size_t before;
- before = typeBuffer.size ();
- expr.visit_lhs (*this);
- if (typeBuffer.size () <= before)
- {
- rust_error_at (expr.locus, "unable to determine lhs type");
- return;
- }
-
- auto lhsType = typeBuffer.back ();
- typeBuffer.pop_back ();
-
- before = typeBuffer.size ();
- expr.visit_rhs (*this);
- if (typeBuffer.size () <= before)
- {
- rust_error_at (expr.locus, "unable to determine rhs type");
- return;
- }
-
- auto rhsType = typeBuffer.back ();
- // not poping because we will be checking they match and the
- // scope will require knowledge of the type
-
- // do the lhsType and the rhsType match
- typesAreCompatible (lhsType, rhsType, expr.right_expr->get_locus_slow ());
-}
-
-void
-TypeResolution::visit (AST::ComparisonExpr &expr)
-{}
-
-void
-TypeResolution::visit (AST::LazyBooleanExpr &expr)
-{}
-
-void
-TypeResolution::visit (AST::TypeCastExpr &expr)
-{}
-
-void
-TypeResolution::visit (AST::AssignmentExpr &expr)
-{
- size_t before;
- before = typeBuffer.size ();
- expr.visit_lhs (*this);
- if (typeBuffer.size () <= before)
- {
- rust_error_at (expr.locus, "unable to determine lhs type");
- return;
- }
-
- auto lhsType = typeBuffer.back ();
- typeBuffer.pop_back ();
-
- before = typeBuffer.size ();
- expr.visit_rhs (*this);
- if (typeBuffer.size () <= before)
- {
- rust_error_at (expr.locus, "unable to determine rhs type");
- return;
- }
-
- auto rhsType = typeBuffer.back ();
- // not poping because we will be checking they match and the
- // scope will require knowledge of the type
-
- // do the lhsType and the rhsType match
- if (!typesAreCompatible (lhsType, rhsType,
- expr.right_expr->get_locus_slow ()))
- return;
-
- // is the lhs mutable?
-}
-
-void
-TypeResolution::visit (AST::CompoundAssignmentExpr &expr)
-{}
-
-void
-TypeResolution::visit (AST::GroupedExpr &expr)
-{}
-// void TypeResolution::visit(ArrayElems& elems) {}
-void
-TypeResolution::visit (AST::ArrayElemsValues &elems)
-{}
-void
-TypeResolution::visit (AST::ArrayElemsCopied &elems)
-{}
-void
-TypeResolution::visit (AST::ArrayExpr &expr)
-{}
-void
-TypeResolution::visit (AST::ArrayIndexExpr &expr)
-{}
-void
-TypeResolution::visit (AST::TupleExpr &expr)
-{}
-void
-TypeResolution::visit (AST::TupleIndexExpr &expr)
-{}
-void
-TypeResolution::visit (AST::StructExprStruct &expr)
-{}
-// void TypeResolution::visit(StructExprField& field) {}
-void
-TypeResolution::visit (AST::StructExprFieldIdentifier &field)
-{}
-void
-TypeResolution::visit (AST::StructExprFieldIdentifierValue &field)
-{}
-void
-TypeResolution::visit (AST::StructExprFieldIndexValue &field)
-{}
-void
-TypeResolution::visit (AST::StructExprStructFields &expr)
-{}
-void
-TypeResolution::visit (AST::StructExprStructBase &expr)
-{}
-void
-TypeResolution::visit (AST::StructExprTuple &expr)
-{}
-void
-TypeResolution::visit (AST::StructExprUnit &expr)
-{}
-// void TypeResolution::visit(EnumExprField& field) {}
-void
-TypeResolution::visit (AST::EnumExprFieldIdentifier &field)
-{}
-void
-TypeResolution::visit (AST::EnumExprFieldIdentifierValue &field)
-{}
-void
-TypeResolution::visit (AST::EnumExprFieldIndexValue &field)
-{}
-void
-TypeResolution::visit (AST::EnumExprStruct &expr)
-{}
-void
-TypeResolution::visit (AST::EnumExprTuple &expr)
-{}
-void
-TypeResolution::visit (AST::EnumExprFieldless &expr)
-{}
-
-void
-TypeResolution::visit (AST::CallExpr &expr)
-{
- printf ("CallExpr: %s\n", expr.as_string ().c_str ());
-}
-
-void
-TypeResolution::visit (AST::MethodCallExpr &expr)
-{}
-void
-TypeResolution::visit (AST::FieldAccessExpr &expr)
-{}
-void
-TypeResolution::visit (AST::ClosureExprInner &expr)
-{}
-void
-TypeResolution::visit (AST::BlockExpr &expr)
-{}
-void
-TypeResolution::visit (AST::ClosureExprInnerTyped &expr)
-{}
-void
-TypeResolution::visit (AST::ContinueExpr &expr)
-{}
-void
-TypeResolution::visit (AST::BreakExpr &expr)
-{}
-void
-TypeResolution::visit (AST::RangeFromToExpr &expr)
-{}
-void
-TypeResolution::visit (AST::RangeFromExpr &expr)
-{}
-void
-TypeResolution::visit (AST::RangeToExpr &expr)
-{}
-void
-TypeResolution::visit (AST::RangeFullExpr &expr)
-{}
-void
-TypeResolution::visit (AST::RangeFromToInclExpr &expr)
-{}
-void
-TypeResolution::visit (AST::RangeToInclExpr &expr)
-{}
-void
-TypeResolution::visit (AST::ReturnExpr &expr)
-{}
-void
-TypeResolution::visit (AST::UnsafeBlockExpr &expr)
-{}
-void
-TypeResolution::visit (AST::LoopExpr &expr)
-{}
-void
-TypeResolution::visit (AST::WhileLoopExpr &expr)
-{}
-void
-TypeResolution::visit (AST::WhileLetLoopExpr &expr)
-{}
-void
-TypeResolution::visit (AST::ForLoopExpr &expr)
-{}
-void
-TypeResolution::visit (AST::IfExpr &expr)
-{}
-void
-TypeResolution::visit (AST::IfExprConseqElse &expr)
-{}
-void
-TypeResolution::visit (AST::IfExprConseqIf &expr)
-{}
-void
-TypeResolution::visit (AST::IfExprConseqIfLet &expr)
-{}
-void
-TypeResolution::visit (AST::IfLetExpr &expr)
-{}
-void
-TypeResolution::visit (AST::IfLetExprConseqElse &expr)
-{}
-void
-TypeResolution::visit (AST::IfLetExprConseqIf &expr)
-{}
-void
-TypeResolution::visit (AST::IfLetExprConseqIfLet &expr)
-{}
-// void TypeResolution::visit(MatchCase& match_case) {}
-void
-TypeResolution::visit (AST::MatchCaseBlockExpr &match_case)
-{}
-void
-TypeResolution::visit (AST::MatchCaseExpr &match_case)
-{}
-void
-TypeResolution::visit (AST::MatchExpr &expr)
-{}
-void
-TypeResolution::visit (AST::AwaitExpr &expr)
-{}
-void
-TypeResolution::visit (AST::AsyncBlockExpr &expr)
-{}
-
-// rust-item.h
-void
-TypeResolution::visit (AST::TypeParam &param)
-{}
-// void TypeResolution::visit(WhereClauseItem& item) {}
-void
-TypeResolution::visit (AST::LifetimeWhereClauseItem &item)
-{}
-void
-TypeResolution::visit (AST::TypeBoundWhereClauseItem &item)
-{}
-void
-TypeResolution::visit (AST::Method &method)
-{}
-void
-TypeResolution::visit (AST::ModuleBodied &module)
-{}
-void
-TypeResolution::visit (AST::ModuleNoBody &module)
-{}
-void
-TypeResolution::visit (AST::ExternCrate &crate)
-{}
-// void TypeResolution::visit(UseTree& use_tree) {}
-void
-TypeResolution::visit (AST::UseTreeGlob &use_tree)
-{}
-void
-TypeResolution::visit (AST::UseTreeList &use_tree)
-{}
-void
-TypeResolution::visit (AST::UseTreeRebind &use_tree)
-{}
-void
-TypeResolution::visit (AST::UseDeclaration &use_decl)
-{}
-
-void
-TypeResolution::visit (AST::Function &function)
-{
- // always emit the function with return type in the event of nil return type
- // its a marker for a void function
- scope.Insert (function.function_name, function.return_type.get ());
-
- scope.Push ();
- for (auto &param : function.function_params)
- {
- auto before = letPatternBuffer.size ();
- param.param_name->accept_vis (*this);
- if (letPatternBuffer.size () <= before)
- {
- rust_error_at (param.locus, "failed to analyse parameter name");
- return;
- }
-
- auto paramName = letPatternBuffer.back ();
- letPatternBuffer.pop_back ();
- scope.Insert (paramName.variable_ident, param.type.get ());
- }
-
- // walk the expression body
- for (auto &stmt : function.function_body->statements)
- {
- stmt->accept_vis (*this);
- }
-
- scope.Pop ();
-}
-
-void
-TypeResolution::visit (AST::TypeAlias &type_alias)
-{}
-void
-TypeResolution::visit (AST::StructStruct &struct_item)
-{}
-void
-TypeResolution::visit (AST::TupleStruct &tuple_struct)
-{}
-void
-TypeResolution::visit (AST::EnumItem &item)
-{}
-void
-TypeResolution::visit (AST::EnumItemTuple &item)
-{}
-void
-TypeResolution::visit (AST::EnumItemStruct &item)
-{}
-void
-TypeResolution::visit (AST::EnumItemDiscriminant &item)
-{}
-void
-TypeResolution::visit (AST::Enum &enum_item)
-{}
-void
-TypeResolution::visit (AST::Union &union_item)
-{}
-
-void
-TypeResolution::visit (AST::ConstantItem &const_item)
-{
- printf ("ConstantItem: %s\n", const_item.as_string ().c_str ());
-}
-
-void
-TypeResolution::visit (AST::StaticItem &static_item)
-{}
-void
-TypeResolution::visit (AST::TraitItemFunc &item)
-{}
-void
-TypeResolution::visit (AST::TraitItemMethod &item)
-{}
-void
-TypeResolution::visit (AST::TraitItemConst &item)
-{}
-void
-TypeResolution::visit (AST::TraitItemType &item)
-{}
-void
-TypeResolution::visit (AST::Trait &trait)
-{}
-void
-TypeResolution::visit (AST::InherentImpl &impl)
-{}
-void
-TypeResolution::visit (AST::TraitImpl &impl)
-{}
-// void TypeResolution::visit(ExternalItem& item) {}
-void
-TypeResolution::visit (AST::ExternalStaticItem &item)
-{}
-void
-TypeResolution::visit (AST::ExternalFunctionItem &item)
-{}
-void
-TypeResolution::visit (AST::ExternBlock &block)
-{}
-
-// rust-macro.h
-void
-TypeResolution::visit (AST::MacroMatchFragment &match)
-{}
-void
-TypeResolution::visit (AST::MacroMatchRepetition &match)
-{}
-void
-TypeResolution::visit (AST::MacroMatcher &matcher)
-{}
-void
-TypeResolution::visit (AST::MacroRulesDefinition &rules_def)
-{}
-void
-TypeResolution::visit (AST::MacroInvocation &macro_invoc)
-{}
-void
-TypeResolution::visit (AST::MetaItemPath &meta_item)
-{}
-void
-TypeResolution::visit (AST::MetaItemSeq &meta_item)
-{}
-void
-TypeResolution::visit (AST::MetaWord &meta_item)
-{}
-void
-TypeResolution::visit (AST::MetaNameValueStr &meta_item)
-{}
-void
-TypeResolution::visit (AST::MetaListPaths &meta_item)
-{}
-void
-TypeResolution::visit (AST::MetaListNameValueStr &meta_item)
-{}
-
-// rust-pattern.h
-void
-TypeResolution::visit (AST::LiteralPattern &pattern)
-{
- printf ("LiteralPattern: %s\n", pattern.as_string ().c_str ());
-}
-
-void
-TypeResolution::visit (AST::IdentifierPattern &pattern)
-{
- letPatternBuffer.push_back (pattern);
-}
-
-void
-TypeResolution::visit (AST::WildcardPattern &pattern)
-{}
-// void TypeResolution::visit(RangePatternBound& bound) {}
-void
-TypeResolution::visit (AST::RangePatternBoundLiteral &bound)
-{}
-void
-TypeResolution::visit (AST::RangePatternBoundPath &bound)
-{}
-void
-TypeResolution::visit (AST::RangePatternBoundQualPath &bound)
-{}
-void
-TypeResolution::visit (AST::RangePattern &pattern)
-{}
-void
-TypeResolution::visit (AST::ReferencePattern &pattern)
-{}
-// void TypeResolution::visit(StructPatternField& field) {}
-void
-TypeResolution::visit (AST::StructPatternFieldTuplePat &field)
-{}
-void
-TypeResolution::visit (AST::StructPatternFieldIdentPat &field)
-{}
-void
-TypeResolution::visit (AST::StructPatternFieldIdent &field)
-{}
-void
-TypeResolution::visit (AST::StructPattern &pattern)
-{}
-// void TypeResolution::visit(TupleStructItems& tuple_items) {}
-void
-TypeResolution::visit (AST::TupleStructItemsNoRange &tuple_items)
-{}
-void
-TypeResolution::visit (AST::TupleStructItemsRange &tuple_items)
-{}
-void
-TypeResolution::visit (AST::TupleStructPattern &pattern)
-{}
-// void TypeResolution::visit(TuplePatternItems& tuple_items) {}
-void
-TypeResolution::visit (AST::TuplePatternItemsMultiple &tuple_items)
-{}
-void
-TypeResolution::visit (AST::TuplePatternItemsRanged &tuple_items)
-{}
-void
-TypeResolution::visit (AST::TuplePattern &pattern)
-{}
-void
-TypeResolution::visit (AST::GroupedPattern &pattern)
-{}
-void
-TypeResolution::visit (AST::SlicePattern &pattern)
-{}
-
-// rust-stmt.h
-void
-TypeResolution::visit (AST::EmptyStmt &stmt)
-{}
-
-void
-TypeResolution::visit (AST::LetStmt &stmt)
-{
- if (!stmt.has_init_expr () && !stmt.has_type ())
- {
- rust_error_at (stmt.locus,
- "E0282: type annotations or init expression needed");
- return;
- }
-
- AST::Type *inferedType = NULL;
- if (stmt.has_init_expr ())
- {
- stmt.init_expr->accept_vis (*this);
-
- if (typeBuffer.empty ())
- {
- rust_error_at (
- stmt.init_expr->get_locus_slow (),
- "unable to determine type for declaration from init expr");
- return;
- }
-
- inferedType = typeBuffer.back ();
- typeBuffer.pop_back ();
- }
-
- if (stmt.has_type () && stmt.has_init_expr ())
- {
- if (!typesAreCompatible (stmt.type.get (), inferedType,
- stmt.init_expr->get_locus_slow ()))
- {
- return;
- }
- }
- else if (stmt.has_type () && !stmt.has_init_expr ())
- {
- inferedType = stmt.type.get ();
- }
-
- // TODO check we know what the type is in the scope requires the builtins to
- // be defined at the constructor
-
- // ensure the decl has the type set for compilation later on
- if (!stmt.has_type ())
- {
- // FIXME
- // stmt.type = inferedType;
- }
-
- // get all the names part of this declaration and add the types to the scope
- stmt.variables_pattern->accept_vis (*this);
- for (auto it = letPatternBuffer.begin (); it != letPatternBuffer.end (); it++)
- {
- scope.Insert (it->variable_ident, inferedType);
- }
- letPatternBuffer.clear ();
-}
-
-void
-TypeResolution::visit (AST::ExprStmtWithoutBlock &stmt)
-{
- stmt.expr->accept_vis (*this);
-}
-
-void
-TypeResolution::visit (AST::ExprStmtWithBlock &stmt)
-{}
-
-// rust-type.h
-void
-TypeResolution::visit (AST::TraitBound &bound)
-{}
-
-void
-TypeResolution::visit (AST::ImplTraitType &type)
-{}
-
-void
-TypeResolution::visit (AST::TraitObjectType &type)
-{}
-void
-TypeResolution::visit (AST::ParenthesisedType &type)
-{}
-void
-TypeResolution::visit (AST::ImplTraitTypeOneBound &type)
-{}
-void
-TypeResolution::visit (AST::TraitObjectTypeOneBound &type)
-{}
-void
-TypeResolution::visit (AST::TupleType &type)
-{}
-void
-TypeResolution::visit (AST::NeverType &type)
-{}
-void
-TypeResolution::visit (AST::RawPointerType &type)
-{}
-void
-TypeResolution::visit (AST::ReferenceType &type)
-{}
-void
-TypeResolution::visit (AST::ArrayType &type)
-{}
-void
-TypeResolution::visit (AST::SliceType &type)
-{}
-void
-TypeResolution::visit (AST::InferredType &type)
-{}
-void
-TypeResolution::visit (AST::BareFunctionType &type)
-{}
-
-} // namespace Analysis
-} // namespace Rust