ExpressionParser.hpp
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1 /***************************************************************************
2  tag: Peter Soetens Mon Jan 19 14:11:25 CET 2004 ExpressionParser.hpp
3 
4  ExpressionParser.hpp - description
5  -------------------
6  begin : Mon January 19 2004
7  copyright : (C) 2004 Peter Soetens
8  email : peter.soetens@mech.kuleuven.ac.be
9 
10  ***************************************************************************
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37 
38 #ifndef EXPRESSIONPARSER_HPP
39 #define EXPRESSIONPARSER_HPP
40 
41 #include "parser-types.hpp"
42 #include "CommonParser.hpp"
43 #include "PeerParser.hpp"
44 #include "ValueParser.hpp"
45 #include "SendHandleAlias.hpp"
46 #include "../internal/DataSource.hpp"
47 #include "../types/Operators.hpp"
48 #include "../Time.hpp"
49 
50 #include <stack>
51 
52 #ifdef ORO_PRAGMA_INTERFACE
53 #pragma interface
54 #endif
55 
56 namespace RTT { namespace scripting
57 {
67  {
69  boost::shared_ptr<SendHandleAlias> mhandle;
71  std::string mobject;
72  std::string mmethod;
75 
77 
78  void seenmethodname( iter_t begin, iter_t end );
79  void seenobjectname( iter_t begin, iter_t end );
80  void seendataname();
81  void seendatacall();
82 
86  std::stack<ArgumentsParser*> argparsers;
87  public:
90 
92  {
93  return datacall;
94  }
95 
97  {
98  return ret.get();
99  }
101  {
102  return mcmdcnd;
103  }
104  boost::shared_ptr<SendHandleAlias> getParseHandle()
105  {
106  return mhandle;
107  }
108  };
109 
114  {
117 
120  std::stack<ArgumentsParser*> argparsers;
121  public:
124 
125  void seen_type_name( iter_t begin, iter_t end );
126  void seen_constructor( void );
127 
129  {
130  return type_name;
131  }
132 
134  {
135  return ret.get();
136  }
137  };
138 
147  {
148  rule_t expression, unarynotexp, unaryminusexp, unaryplusexp, div_or_mul,
149  modexp, plus_or_min, smallereqexp, smallerexp,
150  greatereqexp, greaterexp, equalexp, notequalexp, orexp, andexp,
151  ifthenelseexp, dotexp, groupexp, atomicexpression,
152  time_expression, time_spec, indexexp, comma, close_brace,
153  value_expression, call_expression, assignexp, constructor_expression;
154 
161  std::stack<base::DataSourceBase::shared_ptr> parsestack;
166  boost::shared_ptr<SendHandleAlias> mhandle;
167 
169 
170  // the name that was parsed as the object to use a certain
171  // data of..
172  std::string mobjectname;
173 
174  // the name that was parsed as the name of the data to use
175  // from the object with name mobjectname.
176  std::string mpropname;
177 
178  // time specification
180 
181  void seen_unary( const std::string& op );
182  void seen_binary( const std::string& op );
183  void seen_index();
184  void seen_assign();
185  void seen_dotmember( iter_t begin, iter_t end );
186  void seenvalue();
187  void seendatacall();
188  void seenconstructor();
189  void seentimespec( int n );
190  void seentimeunit( iter_t begin, iter_t end );
191  void inverttime();
192  void seentimeexpr();
193 
203 
205  public:
206  ExpressionParser( TaskContext* pc, ExecutionEngine* caller, CommonParser& common_parser );
207  ~ExpressionParser();
208 
209  rule_t& parser();
210 
212  ConditionInterface* getCmdResult();
213 
219  boost::shared_ptr<base::AttributeBase> getHandle();
220 
221  // after an expression is parsed, the resultant base::DataSourceBase will
222  // still be on top of the stack, and it should be removed before
223  // going back down the parse stack. This is what this function
224  // does..
225  void dropResult();
226 
227  bool hasResult() { return !parsestack.empty(); }
228  };
229 }}
230 
231 #endif
base::DataSourceBase::shared_ptr ret
The base class for all internal data representations.
DataCallParser(ExpressionParser &p, CommonParser &cp, TaskContext *pc, ExecutionEngine *caller)
std::stack< base::DataSourceBase::shared_ptr > parsestack
This interface represents the concept of a condition which can be evaluated and return true or false...
void seenmethodname(iter_t begin, iter_t end)
boost::shared_ptr< SendHandleAlias > mhandle
boost::shared_ptr< SendHandleAlias > mhandle
types::OperatorRepository::shared_ptr opreg
boost::shared_ptr< OperatorRepository > shared_ptr
Definition: Operators.hpp:118
base::DataSourceBase * getParseResult()
This class contains some very common parser definitions.
base::DataSourceBase::shared_ptr ret
A class for parsing const values.
Definition: ValueParser.hpp:58
rule< scanner_t > rule_t
ConditionInterface * getParseCmdResult()
enum RTT::scripting::DataCallParser::CallType mcalltype
base::DataSourceBase * getParseResult()
std::stack< ArgumentsParser * > argparsers
std::stack< ArgumentsParser * > argparsers
boost::intrusive_ptr< DataSourceBase > shared_ptr
Contains TaskContext, Activity, OperationCaller, Operation, Property, InputPort, OutputPort, Attribute.
Definition: Activity.cpp:53
void seenobjectname(iter_t begin, iter_t end)
our_pos_iter_t iter_t
long long nsecs
Definition: os/Time.hpp:69
boost::shared_ptr< SendHandleAlias > getParseHandle()


rtt
Author(s): RTT Developers
autogenerated on Tue Jun 25 2019 19:33:24