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authorchriseth <chris@ethereum.org>2017-06-01 20:16:12 +0800
committerAlex Beregszaszi <alex@rtfs.hu>2017-06-16 17:56:21 +0800
commit49b11121179040d438dd8795a710f3d9de3de789 (patch)
tree846a73ba149b2ba4e9f855170da1e4d99f45c518 /libsolidity
parent47925bc14e80d0c33c491dabc3c3dd3ea787b63c (diff)
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For loops analysis.
Diffstat (limited to 'libsolidity')
-rw-r--r--libsolidity/inlineasm/AsmAnalysis.cpp26
-rw-r--r--libsolidity/inlineasm/AsmScopeFiller.cpp19
2 files changed, 41 insertions, 4 deletions
diff --git a/libsolidity/inlineasm/AsmAnalysis.cpp b/libsolidity/inlineasm/AsmAnalysis.cpp
index 68c940e7..548f1a74 100644
--- a/libsolidity/inlineasm/AsmAnalysis.cpp
+++ b/libsolidity/inlineasm/AsmAnalysis.cpp
@@ -310,9 +310,31 @@ bool AsmAnalyzer::operator()(Switch const& _switch)
return success;
}
-bool AsmAnalyzer::operator()(assembly::ForLoop const&)
+bool AsmAnalyzer::operator()(assembly::ForLoop const& _for)
{
- solAssert(false, "For loop not supported.");
+ Scope* originalScope = m_currentScope;
+
+ bool success = true;
+ if (!(*this)(_for.pre))
+ success = false;
+ // The block was closed already, but we re-open it again and stuff the
+ // condition, the body and the post part inside.
+ m_stackHeight += scope(&_for.pre).numberOfVariables();
+ m_currentScope = &scope(&_for.pre);
+
+ if (!expectExpression(*_for.condition))
+ success = false;
+ m_stackHeight--;
+ if (!(*this)(_for.body))
+ success = false;
+ if (!(*this)(_for.post))
+ success = false;
+
+ m_stackHeight -= scope(&_for.pre).numberOfVariables();
+ m_info.stackHeightInfo[&_for] = m_stackHeight;
+ m_currentScope = originalScope;
+
+ return success;
}
bool AsmAnalyzer::operator()(Block const& _block)
diff --git a/libsolidity/inlineasm/AsmScopeFiller.cpp b/libsolidity/inlineasm/AsmScopeFiller.cpp
index 1aac902a..3bef9cec 100644
--- a/libsolidity/inlineasm/AsmScopeFiller.cpp
+++ b/libsolidity/inlineasm/AsmScopeFiller.cpp
@@ -111,9 +111,24 @@ bool ScopeFiller::operator()(Switch const& _switch)
return success;
}
-bool ScopeFiller::operator()(ForLoop const&)
+bool ScopeFiller::operator()(ForLoop const& _forLoop)
{
- solAssert(false, "For loop not supported.");
+ Scope* originalScope = m_currentScope;
+
+ bool success = true;
+ if (!(*this)(_forLoop.pre))
+ success = false;
+ m_currentScope = &scope(&_forLoop.pre);
+ if (!boost::apply_visitor(*this, *_forLoop.condition))
+ success = false;
+ if (!(*this)(_forLoop.body))
+ success = false;
+ if (!(*this)(_forLoop.post))
+ success = false;
+
+ m_currentScope = originalScope;
+
+ return success;
}
bool ScopeFiller::operator()(Block const& _block)