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Code Issues Packages Projects Releases 10 Wiki Activity

Support parsing and testing unimplemented expressions (#957)

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Co-authored-by: Jon Meow <46229924+jonmeow@users.noreply.github.com>
This commit is contained in:
Geoff Romer
2021-11-30 12:29:15 -08:00
committed by GitHub
co-authored by Jon Meow
parent be0c1e9da6
commit dc5e62fc7a
23 changed files with 463 additions and 147 deletions
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executable_semantics/ast/ast_test_matchers_internal.cpp
+30 -5
View File
@@ -10,7 +10,9 @@
namespace Carbon {
namespace TestingInternal {
auto BlockContentsMatcher::MatchAndExplain(
AstNodeMatcherBase::~AstNodeMatcherBase() = default;
auto BlockContentsMatcher::MatchAndExplainImpl(
Nonnull<const AstNode*> node, ::testing::MatchResultListener* out) const
-> bool {
const auto* block = llvm::dyn_cast<Block>(node);
@@ -22,7 +24,7 @@ auto BlockContentsMatcher::MatchAndExplain(
return matcher_.MatchAndExplain(block->statements(), out);
}
auto MatchesIntLiteralMatcher::MatchAndExplain(
auto MatchesIntLiteralMatcher::MatchAndExplainImpl(
const AstNode* node, ::testing::MatchResultListener* listener) const
-> bool {
const auto* literal = llvm::dyn_cast<IntLiteral>(node);
@@ -35,7 +37,7 @@ auto MatchesIntLiteralMatcher::MatchAndExplain(
return matched;
}
auto BinaryOperatorExpressionMatcher::MatchAndExplain(
auto BinaryOperatorExpressionMatcher::MatchAndExplainImpl(
Nonnull<const AstNode*> node, ::testing::MatchResultListener* out) const
-> bool {
const auto* op = llvm::dyn_cast<PrimitiveOperatorExpression>(node);
@@ -70,7 +72,7 @@ void BinaryOperatorExpressionMatcher::DescribeToImpl(std::ostream* out,
rhs_.DescribeTo(out);
}
auto MatchesReturnMatcher::MatchAndExplain(
auto MatchesReturnMatcher::MatchAndExplainImpl(
const AstNode* node, ::testing::MatchResultListener* listener) const
-> bool {
const auto* ret = llvm::dyn_cast<Return>(node);
@@ -135,7 +137,7 @@ class RawListenerOstream : public llvm::raw_ostream {
};
} // namespace
auto MatchesFunctionDeclarationMatcher::MatchAndExplain(
auto MatchesFunctionDeclarationMatcher::MatchAndExplainImpl(
const AstNode* node, ::testing::MatchResultListener* listener) const
-> bool {
RawListenerOstream out(listener);
@@ -185,5 +187,28 @@ void MatchesFunctionDeclarationMatcher::DescribeToImpl(std::ostream* out,
}
}
auto MatchesUnimplementedExpressionMatcher::MatchAndExplainImpl(
const AstNode* node, ::testing::MatchResultListener* listener) const
-> bool {
const auto* unimplemented = llvm::dyn_cast<UnimplementedExpression>(node);
if (unimplemented == nullptr) {
*listener << "is not an UnimplementedExpression";
return false;
}
if (unimplemented->label() != label_) {
*listener << "is not labeled " << label_;
return false;
}
*listener << "is an unimplemented " << label_ << " node whose children ";
return children_matcher_.MatchAndExplain(unimplemented->children(), listener);
}
void MatchesUnimplementedExpressionMatcher::DescribeToImpl(std::ostream* out,
bool negated) const {
*out << "is " << (negated ? "not " : "") << "an unimplemented " << label_
<< " node whose children ";
children_matcher_.DescribeTo(out);
}
} // namespace TestingInternal
} // namespace Carbon