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JSSpecCompiler: Ignore notes in algorithm steps

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This commit is contained in:
Dan Klishch 2024-01-23 18:33:31 -05:00 • committed by Andrew Kaster
parent ba61b61d67
commit f7c952f842
6 changed files with 30 additions and 8 deletions
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10
Meta/Lagom/Tools/CodeGenerators/JSSpecCompiler/Parser/SpecParser.cpp
View file

@ -97,7 +97,7 @@ bool AlgorithmStep::parse()
{
TextParser parser(m_ctx, m_tokens, m_node);
TextParseErrorOr<Tree> parse_result = TextParseError {};
TextParseErrorOr<NullableTree> parse_result = TextParseError {};
if (m_substeps)
parse_result = parser.parse_step_with_substeps(RefPtr(m_substeps).release_nonnull());
else
@ -133,10 +133,12 @@ Optional<AlgorithmStepList> AlgorithmStepList::create(SpecificationParsingContex
update_logical_scope_for_step(ctx, parent_scope, step_number);
return AlgorithmStep::create(ctx, child);
});
if (!step_creation_result.has_value())
if (!step_creation_result.has_value()) {
all_steps_parsed = false;
else
step_expressions.append(step_creation_result.release_value().tree());
} else {
if (auto expression = step_creation_result.release_value().tree())
step_expressions.append(expression.release_nonnull());
}
++step_number;
return;
}

4
Meta/Lagom/Tools/CodeGenerators/JSSpecCompiler/Parser/SpecParser.h
View file

@ -62,7 +62,7 @@ class AlgorithmStep {
public:
static Optional<AlgorithmStep> create(SpecificationParsingContext& ctx, XML::Node const* node);
Tree tree() const { return m_expression; }
NullableTree tree() const { return m_expression; }
private:
AlgorithmStep(SpecificationParsingContext& ctx)
@ -75,7 +75,7 @@ private:
SpecificationParsingContext& m_ctx;
Vector<Token> m_tokens;
XML::Node const* m_node;
Tree m_expression = error_tree;
NullableTree m_expression = error_tree;
NullableTree m_substeps;
};

8
Meta/Lagom/Tools/CodeGenerators/JSSpecCompiler/Parser/TextParser.cpp
View file

@ -598,10 +598,16 @@ TextParseErrorOr<Tree> TextParser::parse_else(Tree else_branch)
}
// <simple_step> | <inline_if>
TextParseErrorOr<Tree> TextParser::parse_step_without_substeps()
TextParseErrorOr<NullableTree> TextParser::parse_step_without_substeps()
{
auto rollback = rollback_point();
// NOTE: ...
if (auto result = consume_word("NOTE:"sv); !result.is_error()) {
rollback.disarm();
return nullptr;
}
// <simple_step>
if (auto result = parse_simple_step_or_inline_if_branch(); !result.is_error()) {
rollback.disarm();

2
Meta/Lagom/Tools/CodeGenerators/JSSpecCompiler/Parser/TextParser.h
View file

@ -56,7 +56,7 @@ public:
}
TextParseErrorOr<ClauseHeader> parse_clause_header(ClauseHasAoidAttribute clause_has_aoid_attribute);
TextParseErrorOr<Tree> parse_step_without_substeps();
TextParseErrorOr<NullableTree> parse_step_without_substeps();
TextParseErrorOr<Tree> parse_step_with_substeps(Tree substeps);
FailedTextParseDiagnostic get_diagnostic() const;

9
Meta/Lagom/Tools/CodeGenerators/JSSpecCompiler/Tests/spec-parsing.xml
View file

@ -73,4 +73,13 @@
</ol>
</emu-alg>
</emu-clause>
<emu-clause id="7" aoid="Notes">
<h1><span class="secnum">7</span> Notes ( )</h1>
<emu-alg>
<ol>
<li>NOTE: This abstract operation returns <emu-const>unused</emu-const> in case you didn't notice.</li>
<li>Return <emu-const>unused</emu-const>.</li>
</ol>
</emu-alg>
</emu-clause>
</specification>

5
Meta/Lagom/Tools/CodeGenerators/JSSpecCompiler/Tests/spec-parsing.xml.expectation
View file

@ -100,3 +100,8 @@ TreeList
ReturnNode
WellKnownNode Undefined
Notes():
TreeList
ReturnNode
Enumerator unused