void Expect(int n) { if (la.kind == n) Get(); else { SynErr(n); } }
void Expect(int n) { if (la.kind == n) Get(); else { SynErr(n); } }
DSLExpression NegateFactor() { DSLExpression result; boolean negated = false; if (la.kind == 10) { Get(); negated = true; } result = Factor(); result = negated ? new Negate(result) : result; return result; }
DSLExpression NegateFactor() { DSLExpression result; boolean negated = false; if (la.kind == 10) { Get(); negated = true; } result = Factor(); result = negated ? new Negate(result) : result; return result; }
DSLExpression LogicFactor() { DSLExpression result; result = ComparisonFactor(); if (la.kind == 3) { Get(); Token op = t; DSLExpression right = ComparisonFactor(); result = new Binary(op.val, result, right); } return result; }
DSLExpression LogicFactor() { DSLExpression result; result = ComparisonFactor(); if (la.kind == 3) { Get(); Token op = t; DSLExpression right = ComparisonFactor(); result = new Binary(op.val, result, right); } return result; }
private DSLExpression parseImpl() { la = new Token(); la.val = ""; Get(); DSLExpression result = Expression(); Expect(0); return result; }
private DSLExpression parseImpl() { la = new Token(); la.val = ""; Get(); DSLExpression result = Expression(); Expect(0); return result; }
DSLExpression MemberExpression(DSLExpression receiver) { DSLExpression result; result = null; Expect(1); Variable variable = new Variable(receiver, t.val); result = variable; if (la.kind == 11) { Get(); List<DSLExpression> parameters = new ArrayList<>(); DSLExpression parameter; if (StartOf(2)) { parameter = Expression(); parameters.add(parameter); while (la.kind == 13) { Get(); parameter = Expression(); parameters.add(parameter); } } Expect(12); result = new Call(variable.getReceiver(), variable.getName(), parameters); } if (la.kind == 14) { Get(); result = MemberExpression(result); } return result; }
DSLExpression MemberExpression(DSLExpression receiver) { DSLExpression result; result = null; Expect(1); Variable variable = new Variable(receiver, t.val); result = variable; if (la.kind == 11) { Get(); List<DSLExpression> parameters = new ArrayList<>(); DSLExpression parameter; if (StartOf(2)) { parameter = Expression(); parameters.add(parameter); while (la.kind == 13) { Get(); parameter = Expression(); parameters.add(parameter); } } Expect(12); result = new Call(variable.getReceiver(), variable.getName(), parameters); } if (la.kind == 14) { Get(); result = MemberExpression(result); } return result; }