From 44a8d9d2d56a311293ec86ea40df7126748300a1 Mon Sep 17 00:00:00 2001 From: "Benjamin J. Culkin" Date: Thu, 7 Jun 2018 20:37:51 -0300 Subject: Refactoring The main refactoring here is removing the type field from the various classes, but there are a few other smaller ones. This also contains the grounds for a refactoring on variable use --- .../parser/elements/vars/VRefVariableElement.java | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 src/main/java/bjc/rgens/parser/elements/vars/VRefVariableElement.java (limited to 'src/main/java/bjc/rgens/parser/elements/vars/VRefVariableElement.java') diff --git a/src/main/java/bjc/rgens/parser/elements/vars/VRefVariableElement.java b/src/main/java/bjc/rgens/parser/elements/vars/VRefVariableElement.java new file mode 100644 index 0000000..c6921ba --- /dev/null +++ b/src/main/java/bjc/rgens/parser/elements/vars/VRefVariableElement.java @@ -0,0 +1,29 @@ +package bjc.rgens.parser.elements.vars; + +import bjc.rgens.parser.GenerationState; +import bjc.rgens.parser.GrammarException; + +public class VRefVariableElement extends VariableElement { + public final String nam; + + private final boolean forbidSpaces; + + public VRefVariableElement(boolean forbidSpaces, String nam) { + this.nam = nam; + + this.forbidSpaces = forbidSpaces; + } + + public void generate(GenerationState state) { + if (!state.vars.containsKey(nam)) { + throw new GrammarException(String.format("No variable '%s' defined", nam)); + } + + String strang = state.vars.get(nam); + if(forbidSpaces && strang.contains(" ")) { + throw new GrammarException(String.format("Cannot include variable %s w/ spaces in body in rule name", nam)); + } + + state.contents.append(strang); + } +} -- cgit v1.2.3