Merge pull request #2225 from ethereum/julia-for

Implement for statement in assembly parser / printer / code generator

1 files changed, 16 insertions, 0 deletions

diff --git a/libsolidity/inlineasm/AsmParser.cpp b/libsolidity/inlineasm/AsmParser.cpp
index f9b073ba..d282a30d 100644
--- a/libsolidity/inlineasm/AsmParser.cpp
+++ b/libsolidity/inlineasm/AsmParser.cpp
@@ -87,6 +87,8 @@ assembly::Statement Parser::parseStatement()
 		_switch.location.end = _switch.cases.back().body.location.end;
 		return _switch;
 	}
+	case Token::For:
+		return parseForLoop();
 	case Token::Assign:
 	{
 		if (m_julia)
@@ -171,6 +173,20 @@ assembly::Case Parser::parseCase()
 	return _case;
 }
 
+assembly::ForLoop Parser::parseForLoop()
+{
+	ForLoop forLoop = createWithLocation<ForLoop>();
+	expectToken(Token::For);
+	forLoop.pre = parseBlock();
+	forLoop.condition = make_shared<Statement>(parseExpression());
+	if (forLoop.condition->type() == typeid(assembly::Instruction))
+		fatalParserError("Instructions are not supported as conditions for the for statement.");
+	forLoop.post = parseBlock();
+	forLoop.body = parseBlock();
+	forLoop.location.end = forLoop.body.location.end;
+	return forLoop;
+}
+
 assembly::Statement Parser::parseExpression()
 {
 	Statement operation = parseElementaryOperation(true);