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research:jtransformer:api:java:pefs:4.2:fieldt [2018/05/09 01:59] (current)
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 +{{page>​prologast_bodypef_index&​fullpage&​nofooter}}
  
 +----
 +
 +=== fieldT(#id, #class, #type, '​name',​ #​init) ​ ===
 +
 +
 +Represents the field declaration.
 +
 +Renamed in JT 2.8: Up to 2.8.0 it was defined as [[..:​old:​fielddeft|fieldDefT]].
 +
 +=== Arguments ===
 +== ==
 +**#id:** id\\
 +the unique ID assigned to this fact.
 +
 +**#class:** [[classt|classT]],​ null\\ ​
 +ID of the enclosing/​declaring class or null if it is the "​length"​ field of an array.
 +
 +**#type:** [[typeinst]]\\ ​
 +the ID of the type of the field.
 +
 +**'​name':​** atom\\ ​
 +the name of the field.
 +
 +**#init:** [[plastexpression|expression]],​ null\\ ​
 +ID of the initializer of this variable declaration.
 +
 +=== Sample Java Source ===
 +== ==
 +<Code lang-java>​
 +class HelloWorld { //classT
 +
 +  String message; //​corresponding code line to fieldT
 +
 +}
 +</​Code>​
 +
 +
 +=== Its PEF Representation ===
 +==  ==
 +<Code lang-prolog>​
 +classT(#​class,​ #​compilationUnit,​ '​HelloWorld',​ [], [..., #field]).
 +fieldT(#​field,​ #class, #type, '​message',​ '​null'​).
 +</​Code>​
 +
 +=== AST Specification ===
 +== ==
 +<​Code>​
 +ast_node_type_spec('​Java',​fieldT,​[
 +     ​ast_arg(id, ​     mult(1,1,no ), id,  [fieldT]),
 +     ​ast_arg(parent, ​ mult(1,1,no ), id,  [classT, nullType]),
 +     ​ast_arg(type, ​   mult(1,1,no ), id,  [type_inst]),​
 +     ​ast_arg(name, ​   mult(1,1,no ), attr,​[atomic]),​
 +     ​ast_arg(init, ​   mult(0,1,no ), id,  [expressionType,​ nullType])
 +]).
 +</​Code>​
research/jtransformer/api/java/pefs/4.2/fieldt.txt · Last modified: 2018/05/09 01:59 (external edit)

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