Examples with TryCatchStatementContext org.apache.groovy.parser.antlr4.GroovyParser.TryCatchStatementContext used on opensource projects

Example 1 with TryCatchStatementContext

use of org.apache.groovy.parser.antlr4.GroovyParser.TryCatchStatementContext in project groovy by apache.

the class AstBuilder method visitTryCatchStatement.

@Override
public Statement visitTryCatchStatement(final TryCatchStatementContext ctx) {
    boolean resourcesExists = asBoolean(ctx.resources());
    boolean catchExists = asBoolean(ctx.catchClause());
    boolean finallyExists = asBoolean(ctx.finallyBlock());
    if (!(resourcesExists || catchExists || finallyExists)) {
        throw createParsingFailedException("Either a catch or finally clause or both is required for a try-catch-finally statement", ctx);
    }
    TryCatchStatement tryCatchStatement = new TryCatchStatement((Statement) this.visit(ctx.block()), this.visitFinallyBlock(ctx.finallyBlock()));
    if (resourcesExists) {
        this.visitResources(ctx.resources()).forEach(tryCatchStatement::addResource);
    }
    ctx.catchClause().stream().map(this::visitCatchClause).reduce(new LinkedList<>(), (r, e) -> {
        // merge several LinkedList<CatchStatement> instances into one LinkedList<CatchStatement> instance
        r.addAll(e);
        return r;
    }).forEach(tryCatchStatement::addCatch);
    return configureAST(tryWithResourcesASTTransformation.transform(configureAST(tryCatchStatement, ctx)), ctx);
}