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* [gcc/devel/rust/master] hir: add a helper function for visit
@ 2023-03-14 11:44 Thomas Schwinge
0 siblings, 0 replies; only message in thread
From: Thomas Schwinge @ 2023-03-14 11:44 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:6f9938c712d6d8645714ee21d5850342281022e1
commit 6f9938c712d6d8645714ee21d5850342281022e1
Author: vincent <jfan30@u.rochester.edu>
Date: Tue Mar 7 20:32:04 2023 +0000
hir: add a helper function for visit
This commit adds a helper function for TypeCheckPattern::visit
(HIR::RangePattern &pattern) to remove redundancy
gcc/rust/ChangeLog:
* typecheck/rust-hir-type-check-pattern.cc
(TypeCheckPattern::visit): rewrite part code to helper function
(TypeCheckPattern::typecheck_range_pattern_bound): helper function
* typecheck/rust-hir-type-check-pattern.h
(TypeCheckPattern::typecheck_range_pattern_bound):
change the parameter of the function
Signed-off-by: Jiakun Fan <jfan30@u.rochester.edu>
Diff:
---
gcc/rust/typecheck/rust-hir-type-check-pattern.cc | 110 +++++++++-------------
gcc/rust/typecheck/rust-hir-type-check-pattern.h | 7 +-
2 files changed, 47 insertions(+), 70 deletions(-)
diff --git a/gcc/rust/typecheck/rust-hir-type-check-pattern.cc b/gcc/rust/typecheck/rust-hir-type-check-pattern.cc
index e7ed54250a0..cd0dbef40fe 100644
--- a/gcc/rust/typecheck/rust-hir-type-check-pattern.cc
+++ b/gcc/rust/typecheck/rust-hir-type-check-pattern.cc
@@ -321,73 +321,13 @@ TypeCheckPattern::visit (HIR::RangePattern &pattern)
// Resolve the upper and lower bounds, and ensure they are compatible types
TyTy::BaseType *upper = nullptr, *lower = nullptr;
- // TODO: It would be nice to factor this out into a helper since the logic for
- // both bounds is exactly the same...
- switch (pattern.get_upper_bound ()->get_bound_type ())
- {
- case HIR::RangePatternBound::RangePatternBoundType::LITERAL: {
- HIR::RangePatternBoundLiteral &ref
- = *static_cast<HIR::RangePatternBoundLiteral *> (
- pattern.get_upper_bound ().get ());
-
- HIR::Literal lit = ref.get_literal ();
-
- upper = resolve_literal (pattern.get_pattern_mappings (), lit,
- pattern.get_locus ());
- }
- break;
-
- case HIR::RangePatternBound::RangePatternBoundType::PATH: {
- HIR::RangePatternBoundPath &ref
- = *static_cast<HIR::RangePatternBoundPath *> (
- pattern.get_upper_bound ().get ());
-
- upper = TypeCheckExpr::Resolve (&ref.get_path ());
- }
- break;
-
- case HIR::RangePatternBound::RangePatternBoundType::QUALPATH: {
- HIR::RangePatternBoundQualPath &ref
- = *static_cast<HIR::RangePatternBoundQualPath *> (
- pattern.get_upper_bound ().get ());
-
- upper = TypeCheckExpr::Resolve (&ref.get_qualified_path ());
- }
- break;
- }
-
- switch (pattern.get_lower_bound ()->get_bound_type ())
- {
- case HIR::RangePatternBound::RangePatternBoundType::LITERAL: {
- HIR::RangePatternBoundLiteral &ref
- = *static_cast<HIR::RangePatternBoundLiteral *> (
- pattern.get_lower_bound ().get ());
-
- HIR::Literal lit = ref.get_literal ();
-
- lower = resolve_literal (pattern.get_pattern_mappings (), lit,
- pattern.get_locus ());
- }
- break;
-
- case HIR::RangePatternBound::RangePatternBoundType::PATH: {
- HIR::RangePatternBoundPath &ref
- = *static_cast<HIR::RangePatternBoundPath *> (
- pattern.get_lower_bound ().get ());
-
- lower = TypeCheckExpr::Resolve (&ref.get_path ());
- }
- break;
+ upper = typecheck_range_pattern_bound (pattern.get_upper_bound (),
+ pattern.get_pattern_mappings (),
+ pattern.get_locus ());
- case HIR::RangePatternBound::RangePatternBoundType::QUALPATH: {
- HIR::RangePatternBoundQualPath &ref
- = *static_cast<HIR::RangePatternBoundQualPath *> (
- pattern.get_lower_bound ().get ());
-
- lower = TypeCheckExpr::Resolve (&ref.get_qualified_path ());
- }
- break;
- }
+ lower = typecheck_range_pattern_bound (pattern.get_lower_bound (),
+ pattern.get_pattern_mappings (),
+ pattern.get_locus ());
infered = unify_site (pattern.get_pattern_mappings ().get_hirid (),
TyTy::TyWithLocation (upper),
@@ -442,6 +382,44 @@ TypeCheckPattern::emit_pattern_size_error (const HIR::Pattern &pattern,
got_field_count == 1 ? "element" : "elements");
}
+TyTy::BaseType *
+TypeCheckPattern::typecheck_range_pattern_bound (
+ std::unique_ptr<Rust::HIR::RangePatternBound> &bound,
+ Analysis::NodeMapping mappings, Location locus)
+{
+ TyTy::BaseType *resolved_bound = nullptr;
+ switch (bound->get_bound_type ())
+ {
+ case HIR::RangePatternBound::RangePatternBoundType::LITERAL: {
+ HIR::RangePatternBoundLiteral &ref
+ = *static_cast<HIR::RangePatternBoundLiteral *> (bound.get ());
+
+ HIR::Literal lit = ref.get_literal ();
+
+ resolved_bound = resolve_literal (mappings, lit, locus);
+ }
+ break;
+
+ case HIR::RangePatternBound::RangePatternBoundType::PATH: {
+ HIR::RangePatternBoundPath &ref
+ = *static_cast<HIR::RangePatternBoundPath *> (bound.get ());
+
+ resolved_bound = TypeCheckExpr::Resolve (&ref.get_path ());
+ }
+ break;
+
+ case HIR::RangePatternBound::RangePatternBoundType::QUALPATH: {
+ HIR::RangePatternBoundQualPath &ref
+ = *static_cast<HIR::RangePatternBoundQualPath *> (bound.get ());
+
+ resolved_bound = TypeCheckExpr::Resolve (&ref.get_qualified_path ());
+ }
+ break;
+ }
+
+ return resolved_bound;
+}
+
void
TypeCheckPattern::visit (HIR::AltPattern &pattern)
{
diff --git a/gcc/rust/typecheck/rust-hir-type-check-pattern.h b/gcc/rust/typecheck/rust-hir-type-check-pattern.h
index 3b392b552d5..d5d0fd00de5 100644
--- a/gcc/rust/typecheck/rust-hir-type-check-pattern.h
+++ b/gcc/rust/typecheck/rust-hir-type-check-pattern.h
@@ -47,10 +47,9 @@ public:
private:
TypeCheckPattern (TyTy::BaseType *parent);
- static TyTy::BaseType *
- typecheck_range_pattern_bound (HIR::RangePatternBound *bound,
- Analysis::NodeMapping mappings,
- Location locus);
+ TyTy::BaseType *typecheck_range_pattern_bound (
+ std::unique_ptr<Rust::HIR::RangePatternBound> &bound,
+ Analysis::NodeMapping mappings, Location locus);
void emit_pattern_size_error (const HIR::Pattern &pattern,
size_t expected_field_count,
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