Class to find breakpoint positions for CDB.

Reviewed-by: Friedemann Kleint

src/libs/cplusplus/findcdbbreakpoint.h

@@ -0,0 +1,62 @@
+#ifndef CPLUSPLUS_FINDBREAKPOINT_H
+#define CPLUSPLUS_FINDBREAKPOINT_H
+
+#include <CPlusPlusForwardDeclarations.h>
+#include <ASTVisitor.h>
+
+namespace CPlusPlus {
+
+class CPLUSPLUS_EXPORT FindCdbBreakpoint: protected ASTVisitor
+{
+public:
+public:
+    FindCdbBreakpoint(TranslationUnit *unit);
+
+    unsigned operator()(unsigned line)
+    { return searchFrom(line); }
+
+    unsigned searchFrom(unsigned line);
+
+protected:
+    void foundLine(unsigned tokenIndex);
+    unsigned endLine(unsigned tokenIndex) const;
+    unsigned endLine(AST *ast) const;
+
+protected:
+    using ASTVisitor::visit;
+
+    bool preVisit(AST *ast);
+
+    bool visit(FunctionDefinitionAST *ast);
+
+    // Statements:
+    bool visit(QtMemberDeclarationAST *ast);
+    bool visit(CaseStatementAST *ast);
+    bool visit(CompoundStatementAST *ast);
+    bool visit(DeclarationStatementAST *ast);
+    bool visit(DoStatementAST *ast);
+    bool visit(ExpressionStatementAST *ast);
+    bool visit(ForeachStatementAST *ast);
+    bool visit(ForStatementAST *ast);
+    bool visit(IfStatementAST *ast);
+    bool visit(LabeledStatementAST *ast);
+    bool visit(BreakStatementAST *ast);
+    bool visit(ContinueStatementAST *ast);
+    bool visit(GotoStatementAST *ast);
+    bool visit(ReturnStatementAST *ast);
+    bool visit(SwitchStatementAST *ast);
+    bool visit(TryBlockStatementAST *ast);
+    bool visit(CatchClauseAST *ast);
+    bool visit(WhileStatementAST *ast);
+    bool visit(ObjCFastEnumerationAST *ast);
+    bool visit(ObjCSynchronizedStatementAST *ast);
+
+private:
+    unsigned m_initialLine;
+
+    unsigned m_breakpointLine;
+};
+
+} // namespace CPlusPlus
+
+#endif // CPLUSPLUS_FINDBREAKPOINT_H