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Source location as part of AST.

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This commit is contained in:
chriseth
2016-07-20 19:45:43 +02:00
parent 980abfe52a
commit c55584d3e2
7 changed files with 312 additions and 64 deletions
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libsolidity/interface/CompilerStack.cpp
+111
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@@ -279,6 +279,28 @@ eth::AssemblyItems const* CompilerStack::runtimeAssemblyItems(string const& _con
return currentContract.compiler ? &contract(_contractName).compiler->runtimeAssemblyItems() : nullptr;
}
string const* CompilerStack::sourceMapping(string const& _contractName) const
{
Contract const& c = contract(_contractName);
if (!c.sourceMapping)
{
if (auto items = assemblyItems(_contractName))
c.sourceMapping.reset(new string(computeSourceMapping(*items)));
}
return c.sourceMapping.get();
}
string const* CompilerStack::runtimeSourceMapping(string const& _contractName) const
{
Contract const& c = contract(_contractName);
if (!c.runtimeSourceMapping)
{
if (auto items = runtimeAssemblyItems(_contractName))
c.runtimeSourceMapping.reset(new string(computeSourceMapping(*items)));
}
return c.runtimeSourceMapping.get();
}
eth::LinkerObject const& CompilerStack::object(string const& _contractName) const
{
return contract(_contractName).object;
@@ -315,6 +337,22 @@ Json::Value CompilerStack::streamAssembly(ostream& _outStream, string const& _co
}
}
vector<string> CompilerStack::sourceNames() const
{
vector<string> names;
for (auto const& s: m_sources)
names.push_back(s.first);
return names;
}
map<string, unsigned> CompilerStack::sourceIndices() const
{
map<string, unsigned> indices;
for (auto const& s: m_sources)
indices[s.first] = indices.size();
return indices;
}
string const& CompilerStack::interface(string const& _contractName) const
{
return metadata(_contractName, DocumentationType::ABIInterface);
@@ -604,3 +642,76 @@ CompilerStack::Source const& CompilerStack::source(string const& _sourceName) co
return it->second;
}
string CompilerStack::computeSourceMapping(eth::AssemblyItems const& _items) const
{
string ret;
map<string, unsigned> sourceIndicesMap = sourceIndices();
int prevStart = -1;
int prevLength = -1;
int prevSourceIndex = -1;
char prevJump = 0;
for (auto const& item: _items)
{
if (!ret.empty())
ret += ";";
SourceLocation const& location = item.location();
int length = location.start != -1 && location.end != -1 ? location.end - location.start : -1;
int sourceIndex =
location.sourceName && sourceIndicesMap.count(*location.sourceName) ?
sourceIndicesMap.at(*location.sourceName) :
-1;
char jump = '-';
if (item.getJumpType() == eth::AssemblyItem::JumpType::IntoFunction)
jump = 'i';
else if (item.getJumpType() == eth::AssemblyItem::JumpType::OutOfFunction)
jump = 'o';
unsigned components = 4;
if (jump == prevJump)
{
components--;
if (sourceIndex == prevSourceIndex)
{
components--;
if (length == prevLength)
{
components--;
if (location.start == prevStart)
components--;
}
}
}
if (components-- > 0)
{
if (location.start != prevStart)
ret += std::to_string(location.start);
if (components-- > 0)
{
ret += ':';
if (length != prevLength)
ret += std::to_string(length);
if (components-- > 0)
{
ret += ':';
if (sourceIndex != prevSourceIndex)
ret += std::to_string(sourceIndex);
if (components-- > 0)
{
ret += ':';
if (jump != prevJump)
ret += jump;
}
}
}
}
prevStart = location.start;
prevLength = length;
prevSourceIndex = sourceIndex;
prevJump = jump;
}
return ret;
}