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authorChristian <c@ethdev.com>2014-12-09 01:52:30 +0800
committerChristian <c@ethdev.com>2014-12-09 02:02:40 +0800
commitb7d856ed5fee1f0f918e30218e3a95fd8fc20dd3 (patch)
treea0a1d0cc8dc143b14893b8d7aefa66a838a812cd /Compiler.cpp
parent9b68033efc40b11b7778fbdb43325ba4ad196f1c (diff)
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Changes in compiler to support variably sized stack elements.
Diffstat (limited to 'Compiler.cpp')
-rw-r--r--Compiler.cpp16
1 files changed, 6 insertions, 10 deletions
diff --git a/Compiler.cpp b/Compiler.cpp
index 7e0f4ca1..e7263da6 100644
--- a/Compiler.cpp
+++ b/Compiler.cpp
@@ -26,6 +26,7 @@
#include <libsolidity/AST.h>
#include <libsolidity/Compiler.h>
#include <libsolidity/ExpressionCompiler.h>
+#include <libsolidity/CompilerUtils.h>
using namespace std;
@@ -135,7 +136,7 @@ unsigned Compiler::appendCalldataUnpacker(FunctionDefinition const& _function, b
for (ASTPointer<VariableDeclaration> const& var: _function.getParameters())
{
unsigned const numBytes = var->getType()->getCalldataEncodedSize();
- if (numBytes == 0)
+ if (numBytes == 0 || numBytes > 32)
BOOST_THROW_EXCEPTION(CompilerError()
<< errinfo_sourceLocation(var->getLocation())
<< errinfo_comment("Type " + var->getType()->toString() + " not yet supported."));
@@ -158,7 +159,7 @@ void Compiler::appendReturnValuePacker(FunctionDefinition const& _function)
{
Type const& paramType = *parameters[i]->getType();
unsigned numBytes = paramType.getCalldataEncodedSize();
- if (numBytes == 0)
+ if (numBytes == 0 || numBytes > 32)
BOOST_THROW_EXCEPTION(CompilerError()
<< errinfo_sourceLocation(parameters[i]->getLocation())
<< errinfo_comment("Type " + paramType.toString() + " not yet supported."));
@@ -305,8 +306,7 @@ bool Compiler::visit(Return& _return)
VariableDeclaration const& firstVariable = *_return.getFunctionReturnParameters().getParameters().front();
ExpressionCompiler::appendTypeConversion(m_context, *expression->getType(), *firstVariable.getType());
- unsigned stackPosition = m_context.baseToCurrentStackOffset(m_context.getBaseStackOffsetOfVariable(firstVariable));
- m_context << eth::swapInstruction(stackPosition) << eth::Instruction::POP;
+ CompilerUtils(m_context).moveToStackVariable(firstVariable);
}
m_context.appendJumpTo(m_returnTag);
return false;
@@ -320,9 +320,7 @@ bool Compiler::visit(VariableDefinition& _variableDefinition)
ExpressionCompiler::appendTypeConversion(m_context,
*expression->getType(),
*_variableDefinition.getDeclaration().getType());
- unsigned baseStackOffset = m_context.getBaseStackOffsetOfVariable(_variableDefinition.getDeclaration());
- unsigned stackPosition = m_context.baseToCurrentStackOffset(baseStackOffset);
- m_context << eth::swapInstruction(stackPosition) << eth::Instruction::POP;
+ CompilerUtils(m_context).moveToStackVariable(_variableDefinition.getDeclaration());
}
return false;
}
@@ -331,9 +329,7 @@ bool Compiler::visit(ExpressionStatement& _expressionStatement)
{
Expression& expression = _expressionStatement.getExpression();
ExpressionCompiler::compileExpression(m_context, expression);
-// Type::Category category = expression.getType()->getCategory();
- for (unsigned i = 0; i < expression.getType()->getSizeOnStack(); ++i)
- m_context << eth::Instruction::POP;
+ CompilerUtils(m_context).popStackElement(*expression.getType());
return false;
}