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authorChristian <c@ethdev.com>2014-11-01 00:47:43 +0800
committerChristian <c@ethdev.com>2014-11-03 23:11:40 +0800
commit4dfd6dfa13929f31dcea889d17a6fc77137f9c67 (patch)
treec9ce6abe2c76e25025669448da6bccfc9736f0f2 /Compiler.cpp
parent643c781a6ddd4cd601b0aee5ad4d2ee0613495a0 (diff)
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Some tests and bugfixes for the compiler.
Diffstat (limited to 'Compiler.cpp')
-rw-r--r--Compiler.cpp32
1 files changed, 13 insertions, 19 deletions
diff --git a/Compiler.cpp b/Compiler.cpp
index 7909e070..a44c177d 100644
--- a/Compiler.cpp
+++ b/Compiler.cpp
@@ -94,25 +94,20 @@ void Compiler::appendFunctionSelector(vector<ASTPointer<FunctionDefinition>> con
for (pair<string, pair<FunctionDefinition const*, eth::AssemblyItem>> const& f: publicFunctions)
m_context.appendJumpTo(f.second.second) << eth::Instruction::JUMPDEST;
- m_context << returnTag << eth::Instruction::RETURN;
+ m_context << returnTag << eth::Instruction::STOP;
for (pair<string, pair<FunctionDefinition const*, eth::AssemblyItem>> const& f: publicFunctions)
{
+ FunctionDefinition const& function = *f.second.first;
m_context << f.second.second;
- appendFunctionCallSection(*f.second.first);
- }
-}
-
-void Compiler::appendFunctionCallSection(FunctionDefinition const& _function)
-{
- eth::AssemblyItem returnTag = m_context.pushNewTag();
- appendCalldataUnpacker(_function);
+ eth::AssemblyItem returnTag = m_context.pushNewTag();
+ appendCalldataUnpacker(function);
+ m_context.appendJumpTo(m_context.getFunctionEntryLabel(function));
+ m_context << returnTag;
- m_context.appendJumpTo(m_context.getFunctionEntryLabel(_function));
- m_context << returnTag;
-
- appendReturnValuePacker(_function);
+ appendReturnValuePacker(function);
+ }
}
void Compiler::appendCalldataUnpacker(FunctionDefinition const& _function)
@@ -142,7 +137,7 @@ void Compiler::appendReturnValuePacker(FunctionDefinition const& _function)
//@todo this can be also done more efficiently
unsigned dataOffset = 0;
vector<ASTPointer<VariableDeclaration>> const& parameters = _function.getReturnParameters();
- for (unsigned i = 0 ; i < parameters.size(); ++i)
+ for (unsigned i = 0; i < parameters.size(); ++i)
{
unsigned numBytes = parameters[i]->getType()->getCalldataEncodedSize();
if (numBytes == 0)
@@ -150,11 +145,9 @@ void Compiler::appendReturnValuePacker(FunctionDefinition const& _function)
<< errinfo_sourceLocation(parameters[i]->getLocation())
<< errinfo_comment("Type not yet supported."));
m_context << eth::dupInstruction(parameters.size() - i);
- if (numBytes == 32)
- m_context << u256(dataOffset) << eth::Instruction::MSTORE;
- else
- m_context << u256(dataOffset) << (u256(1) << ((32 - numBytes) * 8))
- << eth::Instruction::MUL << eth::Instruction::MSTORE;
+ if (numBytes != 32)
+ m_context << (u256(1) << ((32 - numBytes) * 8)) << eth::Instruction::MUL;
+ m_context << u256(dataOffset) << eth::Instruction::MSTORE;
dataOffset += numBytes;
}
// note that the stack is not cleaned up here
@@ -215,6 +208,7 @@ bool Compiler::visit(FunctionDefinition& _function)
m_context << eth::swapInstruction(stackLayout.size() - stackLayout.back() - 1);
swap(stackLayout[stackLayout.back()], stackLayout.back());
}
+ //@todo assert that everything is in place now
m_context << eth::Instruction::JUMP;