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Format and document the 'state' template to improve readability

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Sam Harwell 2012-10-28 16:42:23 -05:00
parent 85e2802d66
commit 4d2df41cdb
1 changed files with 22 additions and 3 deletions
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25
tool/resources/org/antlr/v4/tool/templates/dot/graphs.stg
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@ -32,9 +32,28 @@ epsilon-edge(src,label,target,arrowhead,transitionIndex,loopback=false) ::= <<
<src><if(transitionIndex)>:p<transitionIndex><endif> -> <target> [fontname="Times-Italic", label="&epsilon;"<if(loopback)>, style="dashed"<endif>];
>>
state(state, label, name, transitions) ::= <<
<name>[fontsize=11, label="<if(rest(transitions))>{<endif><label><if(rest(transitions))>|{<transitions:{t|\<p<i0>\>}; separator="|">}}<endif>", <if(rest(transitions))>shape=record, fixedsize=false<else>shape=circle, fixedsize=true, width=.55<endif>, peripheries=1];
>>
state(state, label, name, transitions) ::= <%
<name>[fontsize=11,
label="
<! rest(transition) tests for decision states: these nodes have a non-empty set of transitions after the first one. !>
<if(rest(transitions))>
{
<! Label on the left side of the record node. !>
<label>
|
<! Named ports in order on right side of record node, no display text. !>
{<transitions:{t|\<p<i0>>}; separator="|">}}
<else>
<label>
<endif>
"
<if(rest(transitions))>
, shape=record, fixedsize=false
<else>
, shape=circle, fixedsize=true, width=.55
<endif>
, peripheries=1];
%>
stopstate(name,label,actionIndex,useBox) ::= <<
<name>[fontsize=11, label="<label><if(actionIndex)>,\naction:<actionIndex><endif>", <if(useBox)>shape=polygon,sides=4,peripheries=2,fixedsize=false<else>shape=doublecircle, fixedsize=true, width=.6<endif>];