Questions tagged [ambiguity]

Ambiguity can refer to two related concepts: 'ambiguous calls' and 'ambiguous grammars'.

400 questions
1
vote
2 answers

Problems with LL(1) grammar

I have a 26 rule grammar for a sub-grammar of Mini Java. This grammar is supposed to be non-object-oriented. Anyway, I've been trying to left-factor it and remove left-recursion. However I test it with JFLAP, though, it tells me it is not LL(1). I…
Milad Naseri
  • 4,053
  • 1
  • 27
  • 39
1
vote
1 answer

Sending POST parameters with Python using Mechanize

I want to fill out this form using Python:
GGsvm
  • 11
  • 1
  • 2
1
vote
2 answers

How do I solve this reduce/reduce conflict in Bison?

Here is an excerpt from [filename].output state 94 32 expr: expr . opt_at_type '.' TYPEID '(' opt_expr_list ')' 39 | expr . '+' expr 40 | expr . '-' expr 41 | expr . '*' expr 42 | expr . '/' expr 42 | expr…
Alexander Suraphel
  • 10,103
  • 10
  • 55
  • 90
1
vote
2 answers

Optimal ambiguity resolving

I am trying to resolve how to handle ambiguities in ANTLR. I need to parse identifiers or identifiers with size prefix correctly. First I came up to this buggy grammar grammar PrefixProblem; options { language = Java; } goal:…
Overdose
  • 1,470
  • 3
  • 16
  • 29
0
votes
0 answers

Resolve conflicts between different versions of the same dependent assembly

I am developing with VS 2010 a web site project in C# and target framework is: .NET Framework 3.5. In the warning tab of Visual Studio, I get the following message, while building the…
Francesco
  • 9,947
  • 7
  • 67
  • 110
0
votes
1 answer

ASP.NET MVC error: The call is ambiguous between the following methods or properties

I have a problem. In my View of a product I have a button to add it to cart which looks like this:
<% using(Html.BeginForm("AddToCart", "Cart")) {%> <%: Html.HiddenFor(x => x.id_produktu) %> <%: Html.Hidden("returnUrl",…
0
votes
1 answer

Why a non-member == operator overloading needed when using a std::pair as a std::unordered_map key

In the below example I have overloaded the conversion functions for uint8_t and bool. And used a pair as the map key with boost::hash. There was a previous error ambiguity in conversion of 'const Mem' to 'float' (not sure why it's requesting a Mem…
0
votes
2 answers

How to solve overload resolution ambiguity for calling generic overloaded Java class from Kotlin

I try to call a custom Java collection from Kotlin, which implements an add(long value) method in this way: public class SomeSet { public void add(int value) { } public void add(long value) { } public void add(T value) { …
Tobse
  • 1,176
  • 1
  • 9
  • 22
0
votes
1 answer

Euler angles change when using as_euler after from_euler

Could you explain what is happening here? from scipy.spatial.transform import Rotation as R euler_angles1 = [ -150, -180, -120 ] rotation1 = R.from_euler("xyz",…
DavidBoja
  • 21
  • 1
  • 3
0
votes
2 answers

Ambiguous embeding of images in ActionScript3

I get this error PlayButton.as: Error: Can not resolve a multiname reference unambiguously. PlayButton_PlayHoverImg (from PlayButton_PlayHoverImg.as) and buttons:PlayButton_PlayHoverImg (from buttons\PlayButton_PlayHoverImg.as) are…
Vlad
  • 2,739
  • 7
  • 49
  • 100
0
votes
0 answers

can anyone tell why its giving me the 'ambiguous' error?

I was writing a code for operator overloading and when i was writing i was getting a constant ambiguity error whenever I used the name of the class outside the class.It said that the name is ambiguous,and i have tried many things but couldnt…
0
votes
0 answers

Python bypassing @property getter methods ambiguity

I know that this is a badly written code. But why does this behave this way? class A: def __init__(self, f, l): self.first = f self.last = l @property def first(self): return self._first …
arjunsiva
  • 315
  • 2
  • 13
0
votes
1 answer

Removing ambiguity in a grammar

I have a grammar with one production rule: S → aSbS | bSaS | ∈ This is ambiguous. Is it allowed to remove the ambiguity this way? S → A|B|∈ A → aS B → bS This makes it unambiguous. Another grammar: S → A | B A → aAb | ab B → abB | ∈ Correction to…
0
votes
1 answer

Dealing with ambiguity in BNF grammar

I'm trying to build a parser for a DSL I'm building using Irony in .NET and found a problem I can't find a way around. Since it handles BNF I think that any BNF solution will be of help. I have the following input: $10 yesterday at drug store…
tucaz
  • 6,524
  • 6
  • 37
  • 60
0
votes
0 answers

Why should the access of member of A in inheritance chain D->B,C->A cause ambiguity?

I tried to compile the following code struct A{ int a; }; struct B : A{}; struct C : A{}; struct D: B,C{ void f(){ ++B::A::a; } }; int main() {} The compilation of this code resulted in ambiguity error in both clang and gcc.…
Karen Baghdasaryan
  • 2,407
  • 6
  • 24