aboutsummaryrefslogtreecommitdiffstats
path: root/libsolidity/analysis/SyntaxChecker.h
diff options
context:
space:
mode:
authorLu Guanqun <guanqun.lu@gmail.com>2016-01-14 09:58:09 +0800
committerLu Guanqun <guanqun.lu@gmail.com>2016-01-15 15:12:23 +0800
commite130bc7e7cc647b15c448133f725a060910da587 (patch)
tree1a9fc6044c17de3d22fb75c64fe70c987f89bc30 /libsolidity/analysis/SyntaxChecker.h
parent02c1aacd25652d39678005294ecbb6180a283134 (diff)
downloaddexon-solidity-e130bc7e7cc647b15c448133f725a060910da587.tar.gz
dexon-solidity-e130bc7e7cc647b15c448133f725a060910da587.tar.zst
dexon-solidity-e130bc7e7cc647b15c448133f725a060910da587.zip
check whether break/continue is in the loop
Diffstat (limited to 'libsolidity/analysis/SyntaxChecker.h')
-rw-r--r--libsolidity/analysis/SyntaxChecker.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/libsolidity/analysis/SyntaxChecker.h b/libsolidity/analysis/SyntaxChecker.h
new file mode 100644
index 00000000..66f6d94d
--- /dev/null
+++ b/libsolidity/analysis/SyntaxChecker.h
@@ -0,0 +1,58 @@
+/*
+ This file is part of cpp-ethereum.
+
+ cpp-ethereum is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ cpp-ethereum is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+#include <libsolidity/analysis/TypeChecker.h>
+#include <libsolidity/ast/Types.h>
+#include <libsolidity/ast/ASTAnnotations.h>
+#include <libsolidity/ast/ASTForward.h>
+#include <libsolidity/ast/ASTVisitor.h>
+
+namespace dev
+{
+namespace solidity
+{
+
+/**
+ * The module that performs syntax analysis on the AST:
+ * - whether continue/break is in a for/while loop.
+ */
+class SyntaxChecker : private ASTConstVisitor
+{
+public:
+ /// @param _errors the reference to the list of errors and warnings to add them found during type checking.
+ SyntaxChecker(ErrorList& _errors): m_errors(_errors) {}
+
+ bool checkSyntax(SourceUnit const& _sourceUnit);
+
+private:
+ /// Adds a new error to the list of errors.
+ void syntaxError(SourceLocation const& _location, std::string const& _description);
+
+ virtual bool visit(WhileStatement const& _whileStatement) override;
+ virtual bool visit(ForStatement const& _forStatement) override;
+ virtual bool visit(Block const& _blockStatement) override;
+ virtual bool visit(IfStatement const& _ifStatement) override;
+ virtual bool visit(Continue const& _continueStatement) override;
+ virtual bool visit(Break const& _breakStatement) override;
+
+ ErrorList& m_errors;
+};
+
+}
+}