private Expr createMatchMethodAndCallFor(
String symbol, Expr outerLookahead, NodeList<Expr> args) {
if (!symbolToMatchNames.contains(symbol)) {
symbolToMatchNames.add(symbol);
GProduction production = productions.get(symbol);
GExpansion symbolExpansion = production.expansion;
return createMatchMethodAndCallFor(
symbol,
matchMethodName(symbol),
symbolExpansion,
outerLookahead,
production.hintParams,
args,
MEMOIZE_MATCHES && (MEMOIZE_ALL_MATCHES || production.memoizeMatches));
} else return matchMethodCall(matchMethodName(symbol), outerLookahead, args);
}
@Override
protected ClassDecl contributeBody(
ClassDecl decl, ImportManager importManager, TreeClassDescriptor[] arg) {
importManager.addImports(
listOf(
importDecl(qualifiedName("org.jlato.internal.bu")).setOnDemand(true),
importDecl(qualifiedName("org.jlato.internal.bu.coll")).setOnDemand(true),
importDecl(qualifiedName("org.jlato.internal.bu.decl")).setOnDemand(true),
importDecl(qualifiedName("org.jlato.internal.bu.expr")).setOnDemand(true),
importDecl(qualifiedName("org.jlato.internal.bu.name")).setOnDemand(true),
importDecl(qualifiedName("org.jlato.internal.bu.stmt")).setOnDemand(true),
importDecl(qualifiedName("org.jlato.internal.bu.type")).setOnDemand(true),
importDecl(qualifiedName("org.jlato.internal.parser.Token")),
importDecl(qualifiedName("org.jlato.internal.parser.TokenType")),
importDecl(qualifiedName("org.jlato.tree.Problem.Severity")),
importDecl(qualifiedName("org.jlato.parser.ParseException")),
importDecl(qualifiedName("org.jlato.tree.expr.AssignOp")),
importDecl(qualifiedName("org.jlato.tree.expr.BinaryOp")),
importDecl(qualifiedName("org.jlato.tree.expr.UnaryOp")),
importDecl(qualifiedName("org.jlato.tree.decl.ModifierKeyword")),
importDecl(qualifiedName("org.jlato.tree.type.Primitive"))));
List<GProduction> allProductions = productions.getAll();
int memoizedProductionCount = MEMOIZE_ALL_MATCHES ? allProductions.size() : 0;
if (!MEMOIZE_ALL_MATCHES) {
for (GProduction production : allProductions) {
if (production.memoizeMatches) memoizedProductionCount++;
}
}
NodeList<MemberDecl> members = Trees.emptyList();
members =
members.append(
memberDecl(
"protected int memoizedProductionCount() { return "
+ memoizedProductionCount
+ "; }")
.build());
for (GProduction production : allProductions) {
if (excluded(production)) continue;
parseMethods = parseMethods.append(parseMethod(importManager, production));
}
for (MethodDecl parseMethod : parseMethods) {
members = members.append(parseMethod);
String id = parseMethod.name().id();
int indexOfUnderscore = id.indexOf('_');
String symbol =
id.substring("parse".length(), indexOfUnderscore == -1 ? id.length() : indexOfUnderscore);
List<MethodDecl> methods = perSymbolMatchMethods.get(symbol);
if (methods != null) {
Collections.sort(methods, (m1, m2) -> m1.name().id().compareTo(m2.name().id()));
members = members.appendAll(listOf(methods));
}
}
return decl.withMembers(members);
}