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permissions and access of expression functions, fixes #157

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gnembon committed 2020-03-25 09:14:39 -03:00
1 parent ba96b1b034
commit bb0d856706
2 files changed
+36 -36
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src/main/java/carpet/script/Expression.java
+30 -30
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@@ -79,12 +79,12 @@ public class Expression
put("def->", 2);
put("nextop;", 1);
}};
protected static final Random randomizer = new Random();
public static final Random randomizer = new Random();
static final Value PI = new NumericValue(
public static final Value PI = new NumericValue(
"3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679");
static final Value euler = new NumericValue(
public static final Value euler = new NumericValue(
"2.71828182845904523536028747135266249775724709369995957496696762772407663");
// %[argument_index$][flags][width][.precision][t]conversion
@@ -105,13 +105,13 @@ public class Expression
}
void asATextSource()
public void asATextSource()
{
allowNewlineSubstitutions = false;
allowComments = true;
}
void asAModule(Module mi)
public void asAModule(Module mi)
{
module = mi;
@@ -122,7 +122,7 @@ public class Expression
/** script specific operatos and built-in functions */
private final Map<String, ILazyOperator> operators = new Object2ObjectOpenHashMap<>();
boolean isAnOperator(String opname) { return operators.containsKey(opname) || operators.containsKey(opname+"u");}
public boolean isAnOperator(String opname) { return operators.containsKey(opname) || operators.containsKey(opname+"u");}
private final Map<String, ILazyFunction> functions = new Object2ObjectOpenHashMap<>();
public Set<String> getFunctionNames() {return functions.keySet();}
@@ -187,7 +187,7 @@ public class Expression
}
private void addLazyUnaryOperator(String surface, int precedence, boolean leftAssoc,
public void addLazyUnaryOperator(String surface, int precedence, boolean leftAssoc,
TriFunction<Context, Integer, LazyValue, LazyValue> lazyfun)
{
operators.put(surface+"u", new AbstractLazyOperator(precedence, leftAssoc)
@@ -213,7 +213,7 @@ public class Expression
}
private void addLazyBinaryOperatorWithDelegation(String surface, int precedence, boolean leftAssoc,
public void addLazyBinaryOperatorWithDelegation(String surface, int precedence, boolean leftAssoc,
SexFunction<Context, Integer, Expression, Tokenizer.Token, LazyValue, LazyValue, LazyValue> lazyfun)
{
operators.put(surface, new AbstractLazyOperator(precedence, leftAssoc)
@@ -234,7 +234,7 @@ public class Expression
});
}
private void addLazyFunctionWithDelegation(String name, int numpar,
public void addLazyFunctionWithDelegation(String name, int numpar,
QuinnFunction<Context, Integer, Expression, Tokenizer.Token, List<LazyValue>, LazyValue> lazyfun)
{
functions.put(name, new AbstractLazyFunction(numpar)
@@ -254,7 +254,7 @@ public class Expression
});
}
private void addLazyBinaryOperator(String surface, int precedence, boolean leftAssoc,
public void addLazyBinaryOperator(String surface, int precedence, boolean leftAssoc,
QuadFunction<Context, Integer, LazyValue, LazyValue, LazyValue> lazyfun)
{
operators.put(surface, new AbstractLazyOperator(precedence, leftAssoc)
@@ -275,7 +275,7 @@ public class Expression
});
}
static RuntimeException handleCodeException(Context c, RuntimeException exc, Expression e, Tokenizer.Token token)
public static RuntimeException handleCodeException(Context c, RuntimeException exc, Expression e, Tokenizer.Token token)
{
if (exc instanceof ExitStatement)
return exc;
@@ -290,7 +290,7 @@ public class Expression
return new ExpressionException(c, e, token, "Error while evaluating expression: "+exc);
}
private void addUnaryOperator(String surface, boolean leftAssoc, Function<Value, Value> fun)
public void addUnaryOperator(String surface, boolean leftAssoc, Function<Value, Value> fun)
{
operators.put(surface+"u", new AbstractUnaryOperator(precedence.get("unary+-!"), leftAssoc)
{
@@ -302,7 +302,7 @@ public class Expression
});
}
private void addBinaryOperator(String surface, int precedence, boolean leftAssoc, BiFunction<Value, Value, Value> fun)
public void addBinaryOperator(String surface, int precedence, boolean leftAssoc, BiFunction<Value, Value, Value> fun)
{
operators.put(surface, new AbstractOperator(precedence, leftAssoc)
{
@@ -316,7 +316,7 @@ public class Expression
}
private void addUnaryFunction(String name, Function<Value, Value> fun)
public void addUnaryFunction(String name, Function<Value, Value> fun)
{
name = name.toLowerCase(Locale.ROOT);
functions.put(name, new AbstractFunction(1)
@@ -329,7 +329,7 @@ public class Expression
});
}
void addBinaryFunction(String name, BiFunction<Value, Value, Value> fun)
public void addBinaryFunction(String name, BiFunction<Value, Value, Value> fun)
{
name = name.toLowerCase(Locale.ROOT);
functions.put(name, new AbstractFunction(2)
@@ -345,7 +345,7 @@ public class Expression
});
}
private void addFunction(String name, Function<List<Value>, Value> fun)
public void addFunction(String name, Function<List<Value>, Value> fun)
{
name = name.toLowerCase(Locale.ROOT);
functions.put(name, new AbstractFunction(-1)
@@ -360,19 +360,19 @@ public class Expression
});
}
private void addMathematicalUnaryFunction(String name, Function<Double, Double> fun)
public void addMathematicalUnaryFunction(String name, Function<Double, Double> fun)
{
addUnaryFunction(name, (v) -> new NumericValue(fun.apply(NumericValue.asNumber(v).getDouble())));
}
private void addMathematicalBinaryFunction(String name, BiFunction<Double, Double, Double> fun)
public void addMathematicalBinaryFunction(String name, BiFunction<Double, Double, Double> fun)
{
addBinaryFunction(name, (w, v) ->
new NumericValue(fun.apply(NumericValue.asNumber(w).getDouble(), NumericValue.asNumber(v).getDouble())));
}
void addLazyFunction(String name, int num_params, TriFunction<Context, Integer, List<LazyValue>, LazyValue> fun)
public void addLazyFunction(String name, int num_params, TriFunction<Context, Integer, List<LazyValue>, LazyValue> fun)
{
name = name.toLowerCase(Locale.ROOT);
functions.put(name, new AbstractLazyFunction(num_params)
@@ -391,7 +391,7 @@ public class Expression
}
});
}
private FunctionValue addContextFunction(Context context, String name, Expression expr, Tokenizer.Token token, List<String> arguments, List<String> outers, LazyValue code)
public FunctionValue addContextFunction(Context context, String name, Expression expr, Tokenizer.Token token, List<String> arguments, List<String> outers, LazyValue code)
{
name = name.toLowerCase(Locale.ROOT);
if (functions.containsKey(name))
@@ -417,7 +417,7 @@ public class Expression
return result;
}
public void UserDefinedFunctionsAndControlFlow() // public just to get the javadoc right
private void UserDefinedFunctionsAndControlFlow() // public just to get the javadoc right
{
// artificial construct to handle user defined functions and function definitions
addLazyFunction("import", -1, (c, t, lv) ->
@@ -549,7 +549,7 @@ public class Expression
});
}
public void Operators()
private void Operators()
{
addBinaryOperator("+", precedence.get("addition+-"), true, Value::add);
addBinaryOperator("-", precedence.get("addition+-"), true, Value::subtract);
@@ -724,7 +724,7 @@ public class Expression
}
public void ArithmeticOperations()
private void ArithmeticOperations()
{
addLazyFunction("not", 1, (c, t, lv) -> lv.get(0).evalValue(c, Context.BOOLEAN).getBoolean() ? ((cc, tt) -> Value.FALSE) : ((cc, tt) -> Value.TRUE));
@@ -825,7 +825,7 @@ public class Expression
addUnaryFunction("relu", (v) -> v.compareTo(Value.ZERO) < 0 ? Value.ZERO : v);
}
public void LoopsAndHigherOrderFunctions()
private void LoopsAndHigherOrderFunctions()
{
// condition and expression will get a bound '_i'
// returns last successful expression or false
@@ -1217,7 +1217,7 @@ public class Expression
});
}
public void BasicDataStructures()
private void BasicDataStructures()
{
addFunction("l", lv ->
{
@@ -1523,7 +1523,7 @@ public class Expression
});
}
public void SystemFunctions()
private void SystemFunctions()
{
addUnaryFunction("hash_code", v -> new NumericValue(v.hashCode()));
@@ -1966,7 +1966,7 @@ public class Expression
}
}
private LazyValue getOrSetAnyVariable(Context c, String name)
public LazyValue getOrSetAnyVariable(Context c, String name)
{
LazyValue var = null;
if (!name.startsWith("global_"))
@@ -2166,11 +2166,11 @@ public class Expression
}
}
Value eval(Context c)
public Value eval(Context c)
{
return eval(c, Context.NONE);
}
private Value eval(Context c, Integer expectedType)
public Value eval(Context c, Integer expectedType)
{
if (ast == null)
{
@@ -2179,7 +2179,7 @@ public class Expression
return evalValue(() -> ast, c, expectedType);
}
Value evalValue(Supplier<LazyValue> exprProvider, Context c, Integer expectedType)
public Value evalValue(Supplier<LazyValue> exprProvider, Context c, Integer expectedType)
{
try
{