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| <title>Chapter 9. eUML operators and basic helpers</title><link rel="stylesheet" href="boostbook.css" type="text/css"><meta name="generator" content="DocBook XSL-NS Stylesheets V1.75.2"><link rel="home" href="index.html" title="Meta State Machine (MSM) V2.12"><link rel="up" href="pt02.html" title="Part II. Reference"><link rel="prev" href="pt02.html" title="Part II. Reference"><link rel="next" href="ch10.html" title="Chapter 10. Functional programming"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 9. eUML operators and basic helpers</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="pt02.html">Prev</a> </td><th width="60%" align="center">Part II. Reference</th><td width="20%" align="right"> <a accesskey="n" href="ch10.html">Next</a></td></tr></table><hr></div><div class="chapter" title="Chapter 9. eUML operators and basic helpers"><div class="titlepage"><div><div><h2 class="title"><a name="d0e3057"></a>Chapter 9. eUML operators and basic helpers</h2></div></div></div><p>The following table lists the supported operators: </p><p> | |
| </p><div class="table"><a name="d0e3064"></a><p class="title"><b>Table 9.1. Operators and state machine helpers</b></p><div class="table-contents"><table summary="Operators and state machine helpers" border="1"><colgroup><col><col><col></colgroup><thead><tr><th>eUML function / operator</th><th>Description</th><th>Functor</th></tr></thead><tbody><tr><td>&&</td><td>Calls lazily Action1&& Action2</td><td>And_</td></tr><tr><td>||</td><td>Calls lazily Action1|| Action2</td><td>Or_</td></tr><tr><td>!</td><td>Calls lazily !Action1</td><td>Not_</td></tr><tr><td>!=</td><td>Calls lazily Action1 != Action2</td><td>NotEqualTo_</td></tr><tr><td>==</td><td>Calls lazily Action1 == Action2</td><td>EqualTo_</td></tr><tr><td>></td><td>Calls lazily Action1 > Action2</td><td>Greater_</td></tr><tr><td>>=</td><td>Calls lazily Action1 >= Action2</td><td>Greater_Equal_</td></tr><tr><td><</td><td>Calls lazily Action1 < Action2</td><td>Less_</td></tr><tr><td><=</td><td>Calls lazily Action1 <= Action2</td><td>Less_Equal_</td></tr><tr><td>&</td><td>Calls lazily Action1 & Action2</td><td>Bitwise_And_</td></tr><tr><td>|</td><td>Calls lazily Action1 | Action2</td><td>Bitwise_Or_</td></tr><tr><td>^</td><td>Calls lazily Action1 ^ Action2</td><td>Bitwise_Xor_</td></tr><tr><td>--</td><td>Calls lazily --Action1 / Action1--</td><td>Pre_Dec_ / Post_Dec_</td></tr><tr><td>++</td><td>Calls lazily ++Action1 / Action1++</td><td>Pre_Inc_ / Post_Inc_</td></tr><tr><td>/</td><td>Calls lazily Action1 / Action2</td><td>Divides_</td></tr><tr><td>/=</td><td>Calls lazily Action1 /= Action2</td><td>Divides_Assign_</td></tr><tr><td>*</td><td>Calls lazily Action1 * Action2</td><td>Multiplies_</td></tr><tr><td>*=</td><td>Calls lazily Action1 *= Action2</td><td>Multiplies_Assign_</td></tr><tr><td>+ (binary)</td><td>Calls lazily Action1 + Action2</td><td>Plus_</td></tr><tr><td>+ (unary)</td><td>Calls lazily +Action1</td><td>Unary_Plus_</td></tr><tr><td>+=</td><td>Calls lazily Action1 += Action2</td><td>Plus_Assign_</td></tr><tr><td>- (binary)</td><td>Calls lazily Action1 - Action2</td><td>Minus_</td></tr><tr><td>- (unary)</td><td>Calls lazily -Action1</td><td>Unary_Minus_</td></tr><tr><td>-=</td><td>Calls lazily Action1 -= Action2</td><td>Minus_Assign_</td></tr><tr><td>%</td><td>Calls lazily Action1 % Action2</td><td>Modulus_</td></tr><tr><td>%=</td><td>Calls lazily Action1 %= Action2</td><td>Modulus_Assign_</td></tr><tr><td>>></td><td>Calls lazily Action1 >> Action2</td><td>ShiftRight_</td></tr><tr><td>>>=</td><td>Calls lazily Action1 >>= Action2</td><td>ShiftRight_Assign_</td></tr><tr><td><<</td><td>Calls lazily Action1 << Action2</td><td>ShiftLeft_</td></tr><tr><td><<=</td><td>Calls lazily Action1 <<= Action2</td><td>ShiftLeft_Assign_</td></tr><tr><td>[] (works on vector, map, arrays)</td><td>Calls lazily Action1 [Action2]</td><td>Subscript_</td></tr><tr><td>if_then_else_(Condition,Action1,Action2)</td><td>Returns either the result of calling Action1 or the result of | |
| calling Action2</td><td>If_Else_</td></tr><tr><td>if_then_(Condition,Action)</td><td>Returns the result of calling Action if Condition</td><td>If_Then_</td></tr><tr><td>while_(Condition, Body)</td><td>While Condition(), calls Body(). Returns nothing</td><td>While_Do_</td></tr><tr><td>do_while_(Condition, Body)</td><td>Calls Body() while Condition(). Returns nothing</td><td>Do_While_</td></tr><tr><td>for_(Begin,Stop,EndLoop,Body)</td><td>Calls for(Begin;Stop;EndLoop){Body;}</td><td>For_Loop_</td></tr><tr><td>process_(Event [,fsm1] [,fsm2] [,fsm3] [,fsm4])</td><td>Processes Event on the current state machine (if no fsm | |
| specified) or on up to 4 state machines returned by an | |
| appropriate functor.</td><td>Process_</td></tr><tr><td>process2_(Event, Data [,fsm1] [,fsm2] [,fsm3])</td><td>Processes Event on the current state machine (if no fsm | |
| specified) or on up to 2 state machines returned by an | |
| appropriate functor. The event is copy-constructed from what | |
| Data() returns.</td><td>Process2_</td></tr><tr><td>is_flag_(Flag [,fsm])</td><td>Calls is_flag_active() on the current state machine or the | |
| one returned by calling fsm.</td><td>Get_Flag_</td></tr><tr><td>event_ [(attribute name)]</td><td>Returns the current event (as const reference)</td><td>GetEvent_</td></tr><tr><td>source_ [(attribute name)]</td><td>Returns the source state of the currently triggered | |
| transition (as reference). If an attribute name is provided, | |
| returns the attribute by reference.</td><td>GetSource_</td></tr><tr><td>target_ [(attribute name)]</td><td>Returns the target state of the currently triggered | |
| transition (as reference). If an attribute name is provided, | |
| returns the attribute by reference.</td><td>GetTarget_</td></tr><tr><td>state_ [(attribute name)]</td><td>Returns the source state of the currently active state (as | |
| reference). Valid inside a state entry/exit action. If an | |
| attribute name is provided, returns the attribute by | |
| reference.</td><td>GetState_</td></tr><tr><td>fsm_ [(attribute name)]</td><td>Returns the current state machine (as reference). Valid | |
| inside a state entry/exit action or a transition. If an | |
| attribute name is provided, returns the attribute by | |
| reference.</td><td>GetFsm_</td></tr><tr><td>substate_(state_name [,fsm])</td><td>Returns (as reference) the state state_name referenced in the | |
| current state machine or the one given as argument.</td><td>SubState_</td></tr></tbody></table></div></div><p><br class="table-break"> | |
| </p><p>To use these functions, you need to include: </p><p><code class="code">#include <msm/front/euml/euml.hpp></code></p></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="pt02.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="pt02.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="ch10.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Part II. Reference </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> Chapter 10. | |
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