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[Yul] Support conditionals

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This commit is contained in:
Leonardo Alt
2020-02-13 17:02:15 -04:00
parent c635377450
commit 3800391a1a
7 changed files with 77 additions and 0 deletions
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libsolidity/codegen/ir/IRGeneratorForStatements.cpp
+18
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@@ -180,6 +180,24 @@ void IRGeneratorForStatements::endVisit(VariableDeclarationStatement const& _var
declare(m_context.addLocalVariable(*decl));
}
bool IRGeneratorForStatements::visit(Conditional const& _conditional)
{
_conditional.condition().accept(*this);
string condition = expressionAsType(_conditional.condition(), *TypeProvider::boolean());
declare(_conditional);
m_code << "switch " << condition << "\n" "case 0 {\n";
_conditional.falseExpression().accept(*this);
assign(_conditional, _conditional.falseExpression());
m_code << "}\n" "default {\n";
_conditional.trueExpression().accept(*this);
assign(_conditional, _conditional.trueExpression());
m_code << "}\n";
return false;
}
bool IRGeneratorForStatements::visit(Assignment const& _assignment)
{
_assignment.rightHandSide().accept(*this);
libsolidity/codegen/ir/IRGeneratorForStatements.h
+1
View File
@@ -48,6 +48,7 @@ public:
void initializeStateVar(VariableDeclaration const& _varDecl);
void endVisit(VariableDeclarationStatement const& _variableDeclaration) override;
bool visit(Conditional const& _conditional) override;
bool visit(Assignment const& _assignment) override;
bool visit(TupleExpression const& _tuple) override;
bool visit(IfStatement const& _ifStatement) override;