Examples with Context edu.mit.csail.sdg.parser.CompModule.Context used on opensource projects

Example 1 with Context

use of edu.mit.csail.sdg.parser.CompModule.Context in project org.alloytools.alloy by AlloyTools.

the class Macro method instantiate.

/**
 * Instantiate it.
 *
 * @param warnings - the list that will receive any warning we generate; can be
 *            null if we wish to ignore warnings
 */
Expr instantiate(Context cx, List<ErrorWarning> warnings) throws Err {
    if (cx.unrolls <= 0) {
        Pos p = span();
        return new ExprBad(p, toString(), new ErrorType(p, "Macro substitution too deep; possibly indicating an infinite recursion."));
    }
    if (params.size() != args.size())
        return this;
    Context cx2 = new Context(realModule, warnings, cx.unrolls - 1);
    for (int n = params.size(), i = 0; i < n; i++) {
        Expr tmp = args.get(i);
        if (!(tmp instanceof Macro))
            tmp = tmp.resolve(tmp.type(), warnings);
        cx2.put(params.get(i).label, tmp);
    }
    return cx2.check(body);
}