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* [gcc/devel/rust/master] ast: Add RestPattern AST node
@ 2023-03-05 11:40 Thomas Schwinge
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From: Thomas Schwinge @ 2023-03-05 11:40 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:c2a3b370a9f42846f7d82512719d4127fa3fca4b
commit c2a3b370a9f42846f7d82512719d4127fa3fca4b
Author: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
Date: Tue Feb 28 17:34:31 2023 +0100
ast: Add RestPattern AST node
Add the RestPattern AST node representing ".." code in some rust
context. This commit also provides the different visitors for this node.
gcc/rust/ChangeLog:
* ast/rust-ast-dump.cc (Dump::visit): Add visitor.
* ast/rust-ast-dump.h: Add visitor prototype.
* ast/rust-ast-full-decls.h (class RestPattern): Add forward
declaration for class RestPattern.
* ast/rust-ast-visitor.h: Add visitor prototype.
* ast/rust-ast.cc (RestPattern::accept_vis): Add function to
accept a foreign visitor.
* ast/rust-pattern.h (class RestPattern): Add class RestPattern.
* checks/errors/rust-feature-gate.h: Add visitor prototype.
* expand/rust-attribute-visitor.cc (AttrVisitor::visit): Add
visitor implementation.
* expand/rust-attribute-visitor.h: Add visitor prototype.
* hir/rust-ast-lower-base.cc (ASTLoweringBase::visit): Add
visitor implementation.
* hir/rust-ast-lower-base.h: Add visitor prototype.
* resolve/rust-ast-resolve-base.cc (ResolverBase::visit): Add
visitor implementation.
* resolve/rust-ast-resolve-base.h: Add visitor prototype.
* resolve/rust-early-name-resolver.cc (EarlyNameResolver::visit):
Add visitor implementation.
* resolve/rust-early-name-resolver.h: Add visitor prototype.
* util/rust-attributes.cc (AttributeChecker::visit): Add visitor
implementation.
* util/rust-attributes.h: Add visitor prototype.
Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
Diff:
---
gcc/rust/ast/rust-ast-dump.cc | 4 ++++
gcc/rust/ast/rust-ast-dump.h | 1 +
gcc/rust/ast/rust-ast-full-decls.h | 1 +
gcc/rust/ast/rust-ast-visitor.h | 1 +
gcc/rust/ast/rust-ast.cc | 6 ++++++
gcc/rust/ast/rust-pattern.h | 14 ++++++++++++++
gcc/rust/checks/errors/rust-feature-gate.h | 1 +
gcc/rust/expand/rust-attribute-visitor.cc | 5 +++++
gcc/rust/expand/rust-attribute-visitor.h | 1 +
gcc/rust/hir/rust-ast-lower-base.cc | 3 +++
gcc/rust/hir/rust-ast-lower-base.h | 1 +
gcc/rust/resolve/rust-ast-resolve-base.cc | 4 ++++
gcc/rust/resolve/rust-ast-resolve-base.h | 1 +
gcc/rust/resolve/rust-early-name-resolver.cc | 4 ++++
gcc/rust/resolve/rust-early-name-resolver.h | 1 +
gcc/rust/util/rust-attributes.cc | 4 ++++
gcc/rust/util/rust-attributes.h | 1 +
17 files changed, 53 insertions(+)
diff --git a/gcc/rust/ast/rust-ast-dump.cc b/gcc/rust/ast/rust-ast-dump.cc
index 1cfcebbab9d..9315bc5292d 100644
--- a/gcc/rust/ast/rust-ast-dump.cc
+++ b/gcc/rust/ast/rust-ast-dump.cc
@@ -1610,6 +1610,10 @@ void
Dump::visit (WildcardPattern &)
{}
+void
+Dump::visit (RestPattern &)
+{}
+
// void Dump::visit(RangePatternBound& ){}
void
diff --git a/gcc/rust/ast/rust-ast-dump.h b/gcc/rust/ast/rust-ast-dump.h
index c0082aa8314..b68619d2862 100644
--- a/gcc/rust/ast/rust-ast-dump.h
+++ b/gcc/rust/ast/rust-ast-dump.h
@@ -273,6 +273,7 @@ private:
void visit (LiteralPattern &pattern);
void visit (IdentifierPattern &pattern);
void visit (WildcardPattern &pattern);
+ void visit (RestPattern &pattern);
// void visit(RangePatternBound& bound);
void visit (RangePatternBoundLiteral &bound);
void visit (RangePatternBoundPath &bound);
diff --git a/gcc/rust/ast/rust-ast-full-decls.h b/gcc/rust/ast/rust-ast-full-decls.h
index 0514eecec06..eafc82f4820 100644
--- a/gcc/rust/ast/rust-ast-full-decls.h
+++ b/gcc/rust/ast/rust-ast-full-decls.h
@@ -228,6 +228,7 @@ class MetaListNameValueStr;
class LiteralPattern;
class IdentifierPattern;
class WildcardPattern;
+class RestPattern;
class RangePatternBound;
class RangePatternBoundLiteral;
class RangePatternBoundPath;
diff --git a/gcc/rust/ast/rust-ast-visitor.h b/gcc/rust/ast/rust-ast-visitor.h
index d60a68691ac..c0a5b995d7b 100644
--- a/gcc/rust/ast/rust-ast-visitor.h
+++ b/gcc/rust/ast/rust-ast-visitor.h
@@ -183,6 +183,7 @@ public:
virtual void visit (LiteralPattern &pattern) = 0;
virtual void visit (IdentifierPattern &pattern) = 0;
virtual void visit (WildcardPattern &pattern) = 0;
+ virtual void visit (RestPattern &pattern) = 0;
// virtual void visit(RangePatternBound& bound) = 0;
virtual void visit (RangePatternBoundLiteral &bound) = 0;
virtual void visit (RangePatternBoundPath &bound) = 0;
diff --git a/gcc/rust/ast/rust-ast.cc b/gcc/rust/ast/rust-ast.cc
index b67a5390f2f..3d1b573968f 100644
--- a/gcc/rust/ast/rust-ast.cc
+++ b/gcc/rust/ast/rust-ast.cc
@@ -5574,6 +5574,12 @@ WildcardPattern::accept_vis (ASTVisitor &vis)
vis.visit (*this);
}
+void
+RestPattern::accept_vis (ASTVisitor &vis)
+{
+ vis.visit (*this);
+}
+
void
RangePatternBoundLiteral::accept_vis (ASTVisitor &vis)
{
diff --git a/gcc/rust/ast/rust-pattern.h b/gcc/rust/ast/rust-pattern.h
index a62e9b98d93..ac0bd26f84a 100644
--- a/gcc/rust/ast/rust-pattern.h
+++ b/gcc/rust/ast/rust-pattern.h
@@ -191,6 +191,20 @@ protected:
}
};
+class RestPattern : public Pattern
+{
+ Location locus;
+
+public:
+ std::string as_string () const override { return ".."; }
+
+ RestPattern (Location locus) : locus (locus) {}
+
+ Location get_locus () const override final { return locus; }
+
+ void accept_vis (ASTVisitor &vis) override;
+};
+
// Base range pattern bound (lower or upper limit) - abstract
class RangePatternBound
{
diff --git a/gcc/rust/checks/errors/rust-feature-gate.h b/gcc/rust/checks/errors/rust-feature-gate.h
index 22c1501cef6..0262903f123 100644
--- a/gcc/rust/checks/errors/rust-feature-gate.h
+++ b/gcc/rust/checks/errors/rust-feature-gate.h
@@ -151,6 +151,7 @@ public:
void visit (AST::LiteralPattern &pattern) override {}
void visit (AST::IdentifierPattern &pattern) override {}
void visit (AST::WildcardPattern &pattern) override {}
+ void visit (AST::RestPattern &pattern) override {}
void visit (AST::RangePatternBoundLiteral &bound) override {}
void visit (AST::RangePatternBoundPath &bound) override {}
void visit (AST::RangePatternBoundQualPath &bound) override {}
diff --git a/gcc/rust/expand/rust-attribute-visitor.cc b/gcc/rust/expand/rust-attribute-visitor.cc
index ce93986003d..d416505eeaf 100644
--- a/gcc/rust/expand/rust-attribute-visitor.cc
+++ b/gcc/rust/expand/rust-attribute-visitor.cc
@@ -2937,6 +2937,11 @@ AttrVisitor::visit (AST::WildcardPattern &)
// not possible
}
void
+AttrVisitor::visit (AST::RestPattern &)
+{
+ // not possible
+}
+void
AttrVisitor::visit (AST::RangePatternBoundLiteral &)
{
// not possible
diff --git a/gcc/rust/expand/rust-attribute-visitor.h b/gcc/rust/expand/rust-attribute-visitor.h
index a7ab42e47ec..ceada6039a5 100644
--- a/gcc/rust/expand/rust-attribute-visitor.h
+++ b/gcc/rust/expand/rust-attribute-visitor.h
@@ -242,6 +242,7 @@ public:
void visit (AST::LiteralPattern &) override;
void visit (AST::IdentifierPattern &pattern) override;
void visit (AST::WildcardPattern &) override;
+ void visit (AST::RestPattern &) override;
void visit (AST::RangePatternBoundLiteral &) override;
void visit (AST::RangePatternBoundPath &bound) override;
void visit (AST::RangePatternBoundQualPath &bound) override;
diff --git a/gcc/rust/hir/rust-ast-lower-base.cc b/gcc/rust/hir/rust-ast-lower-base.cc
index 1651b00b05f..c21f511dc8d 100644
--- a/gcc/rust/hir/rust-ast-lower-base.cc
+++ b/gcc/rust/hir/rust-ast-lower-base.cc
@@ -409,6 +409,9 @@ ASTLoweringBase::visit (AST::IdentifierPattern &)
void
ASTLoweringBase::visit (AST::WildcardPattern &)
{}
+void
+ASTLoweringBase::visit (AST::RestPattern &)
+{}
// void ASTLoweringBase::visit(RangePatternBoundbound) {}
void
ASTLoweringBase::visit (AST::RangePatternBoundLiteral &)
diff --git a/gcc/rust/hir/rust-ast-lower-base.h b/gcc/rust/hir/rust-ast-lower-base.h
index 60ed3a964d9..d0171a54e2e 100644
--- a/gcc/rust/hir/rust-ast-lower-base.h
+++ b/gcc/rust/hir/rust-ast-lower-base.h
@@ -211,6 +211,7 @@ public:
virtual void visit (AST::LiteralPattern &pattern);
virtual void visit (AST::IdentifierPattern &pattern);
virtual void visit (AST::WildcardPattern &pattern);
+ virtual void visit (AST::RestPattern &pattern);
// virtual void visit(RangePatternBound& bound);
virtual void visit (AST::RangePatternBoundLiteral &bound);
virtual void visit (AST::RangePatternBoundPath &bound);
diff --git a/gcc/rust/resolve/rust-ast-resolve-base.cc b/gcc/rust/resolve/rust-ast-resolve-base.cc
index 2f82f911922..2667a246561 100644
--- a/gcc/rust/resolve/rust-ast-resolve-base.cc
+++ b/gcc/rust/resolve/rust-ast-resolve-base.cc
@@ -518,6 +518,10 @@ void
ResolverBase::visit (AST::WildcardPattern &)
{}
+void
+ResolverBase::visit (AST::RestPattern &)
+{}
+
void
ResolverBase::visit (AST::RangePatternBoundLiteral &)
{}
diff --git a/gcc/rust/resolve/rust-ast-resolve-base.h b/gcc/rust/resolve/rust-ast-resolve-base.h
index 994f61e92b8..df70303a6eb 100644
--- a/gcc/rust/resolve/rust-ast-resolve-base.h
+++ b/gcc/rust/resolve/rust-ast-resolve-base.h
@@ -158,6 +158,7 @@ public:
void visit (AST::LiteralPattern &);
void visit (AST::IdentifierPattern &);
void visit (AST::WildcardPattern &);
+ void visit (AST::RestPattern &);
void visit (AST::RangePatternBoundLiteral &);
void visit (AST::RangePatternBoundPath &);
diff --git a/gcc/rust/resolve/rust-early-name-resolver.cc b/gcc/rust/resolve/rust-early-name-resolver.cc
index 584d430a014..10f7626dc7f 100644
--- a/gcc/rust/resolve/rust-early-name-resolver.cc
+++ b/gcc/rust/resolve/rust-early-name-resolver.cc
@@ -956,6 +956,10 @@ void
EarlyNameResolver::visit (AST::WildcardPattern &)
{}
+void
+EarlyNameResolver::visit (AST::RestPattern &)
+{}
+
void
EarlyNameResolver::visit (AST::RangePatternBoundLiteral &)
{}
diff --git a/gcc/rust/resolve/rust-early-name-resolver.h b/gcc/rust/resolve/rust-early-name-resolver.h
index 4f51533131a..c94a77501a3 100644
--- a/gcc/rust/resolve/rust-early-name-resolver.h
+++ b/gcc/rust/resolve/rust-early-name-resolver.h
@@ -233,6 +233,7 @@ private:
virtual void visit (AST::LiteralPattern &pattern);
virtual void visit (AST::IdentifierPattern &pattern);
virtual void visit (AST::WildcardPattern &pattern);
+ virtual void visit (AST::RestPattern &pattern);
virtual void visit (AST::RangePatternBoundLiteral &bound);
virtual void visit (AST::RangePatternBoundPath &bound);
virtual void visit (AST::RangePatternBoundQualPath &bound);
diff --git a/gcc/rust/util/rust-attributes.cc b/gcc/rust/util/rust-attributes.cc
index ccabeb8f345..6df00ad95be 100644
--- a/gcc/rust/util/rust-attributes.cc
+++ b/gcc/rust/util/rust-attributes.cc
@@ -695,6 +695,10 @@ void
AttributeChecker::visit (AST::WildcardPattern &)
{}
+void
+AttributeChecker::visit (AST::RestPattern &)
+{}
+
// void AttributeChecker::visit(RangePatternBound& ){}
void
diff --git a/gcc/rust/util/rust-attributes.h b/gcc/rust/util/rust-attributes.h
index 39961bd1535..a9c8a33b690 100644
--- a/gcc/rust/util/rust-attributes.h
+++ b/gcc/rust/util/rust-attributes.h
@@ -222,6 +222,7 @@ private:
void visit (AST::LiteralPattern &pattern);
void visit (AST::IdentifierPattern &pattern);
void visit (AST::WildcardPattern &pattern);
+ void visit (AST::RestPattern &pattern);
// void visit(RangePatternBound& bound);
void visit (AST::RangePatternBoundLiteral &bound);
void visit (AST::RangePatternBoundPath &bound);
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