====================================== Grammar ======================================
<% import {FactorNode,InterpolateNode,EscapeNode,EvaluateNode,FactorsNode,TemplateNode} from "./ast" %>

#TOKEN_PROTOTYPES
CONTENT, 
IN_DS,
ES_DS,
EV_DS,
LN_DS,
DE

#GRAMMAR
S->template;
template -> factors  <% (e)=>new TemplateNode(e) %>;
factors -> factor factors | NIL <% (e)=>new FactorsNode(e) %>;
factor -> CONTENT | interpolate | escape | evaluate | link <% (e)=>new FactorNode(e) %>;
link -> LN_DS CONTENT DE <% (e)=>new InterpolateNode(e) %>;
interpolate -> IN_DS CONTENT DE <% (e)=>new InterpolateNode(e) %>;
escape -> ES_DS CONTENT DE <% (e)=>new EscapeNode(e) %>;
evaluate -> EV_DS CONTENT DE <% (e)=>new EvaluateNode(e) %>;