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libsolidity: Extend the AST for named AST nodes in order to get precise locations for names.

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The actual SourceLocation on an ASTNode is representing the whole
ASTNode whereas in an LSP (for example) you are also interested in the
SourceLocation of a name of a construct (e.g. variable decarlation, function definition, ...).

This also properly encodes non-existend sources as `-1` in the JSON output (eliminating the use of `numeric_limits<size_t>::max()`).
This commit is contained in:
Christian Parpart
2021-02-10 18:13:09 +01:00
committed by chriseth
parent 72c6932bf5
commit 32ba5f5ae7
15 changed files with 112 additions and 46 deletions
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libsolidity/ast/ASTJsonImporter.cpp
+15
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@@ -99,6 +99,13 @@ SourceLocation const ASTJsonImporter::createSourceLocation(Json::Value const& _n
return solidity::langutil::parseSourceLocation(_node["src"].asString(), m_currentSourceName, m_sourceLocations.size());
}
SourceLocation ASTJsonImporter::createNameSourceLocation(Json::Value const& _node)
{
astAssert(member(_node, "nameLocation").isString(), "'nameLocation' must be a string");
return solidity::langutil::parseSourceLocation(_node["nameLocation"].asString(), m_currentSourceName, m_sourceLocations.size());
}
template<class T>
ASTPointer<T> ASTJsonImporter::convertJsonToASTNode(Json::Value const& _node)
{
@@ -272,6 +279,7 @@ ASTPointer<ImportDirective> ASTJsonImporter::createImportDirective(Json::Value c
_node,
path,
unitAlias,
createNameSourceLocation(_node),
move(symbolAliases)
);
@@ -298,6 +306,7 @@ ASTPointer<ContractDefinition> ASTJsonImporter::createContractDefinition(Json::V
return createASTNode<ContractDefinition>(
_node,
make_shared<ASTString>(_node["name"].asString()),
createNameSourceLocation(_node),
_node["documentation"].isNull() ? nullptr : createDocumentation(member(_node, "documentation")),
baseContracts,
subNodes,
@@ -352,6 +361,7 @@ ASTPointer<ASTNode> ASTJsonImporter::createStructDefinition(Json::Value const& _
return createASTNode<StructDefinition>(
_node,
memberAsASTString(_node, "name"),
createNameSourceLocation(_node),
members
);
}
@@ -364,6 +374,7 @@ ASTPointer<EnumDefinition> ASTJsonImporter::createEnumDefinition(Json::Value con
return createASTNode<EnumDefinition>(
_node,
memberAsASTString(_node, "name"),
createNameSourceLocation(_node),
members
);
}
@@ -434,6 +445,7 @@ ASTPointer<FunctionDefinition> ASTJsonImporter::createFunctionDefinition(Json::V
return createASTNode<FunctionDefinition>(
_node,
memberAsASTString(_node, "name"),
createNameSourceLocation(_node),
vis,
stateMutability(_node),
freeFunction,
@@ -475,6 +487,7 @@ ASTPointer<VariableDeclaration> ASTJsonImporter::createVariableDeclaration(Json:
_node,
nullOrCast<TypeName>(member(_node, "typeName")),
make_shared<ASTString>(member(_node, "name").asString()),
createNameSourceLocation(_node),
nullOrCast<Expression>(member(_node, "value")),
visibility(_node),
_node["documentation"].isNull() ? nullptr : createDocumentation(member(_node, "documentation")),
@@ -490,6 +503,7 @@ ASTPointer<ModifierDefinition> ASTJsonImporter::createModifierDefinition(Json::V
return createASTNode<ModifierDefinition>(
_node,
memberAsASTString(_node, "name"),
createNameSourceLocation(_node),
_node["documentation"].isNull() ? nullptr : createDocumentation(member(_node, "documentation")),
createParameterList(member(_node, "parameters")),
memberAsBool(_node, "virtual"),
@@ -515,6 +529,7 @@ ASTPointer<EventDefinition> ASTJsonImporter::createEventDefinition(Json::Value c
return createASTNode<EventDefinition>(
_node,
memberAsASTString(_node, "name"),
createNameSourceLocation(_node),
_node["documentation"].isNull() ? nullptr : createDocumentation(member(_node, "documentation")),
createParameterList(member(_node, "parameters")),
memberAsBool(_node, "anonymous")