Public Member Functions | |
Expression () | |
Builds an empty expression. More... | |
Expression (const Expression &expr) | |
Copies an expression. More... | |
Expression (Expression &&expr) | |
Moves an expression. More... | |
Expression (const char *expr) | |
Builds (i.e. More... | |
Expression (const std::string &expr) | |
Builds (i.e. More... | |
Expression (long expr) | |
Builds an expression that represents an integer. More... | |
Expression (double expr) | |
Builds an expression that represents a float. More... | |
Expression (PC_tree_t expr) | |
Builds an expression that is parsed from PC_tree_t. More... | |
~Expression () | |
Destroys an expression. More... | |
Expression & | operator= (const Expression &expr) |
Copies an expression. More... | |
Expression & | operator= (Expression &&expr) |
Moves an expression. More... | |
Expression | operator+ (const Expression &expr) const |
Summation operator of an expression. More... | |
Expression | operator* (const Expression &expr) const |
Multiplication operator of an expression. More... | |
Expression | operator- (const Expression &expr) const |
Subtraction operator of an expression. More... | |
Expression | operator/ (const Expression &expr) const |
Division operator of an expression. More... | |
Expression | operator% (const Expression &expr) const |
Modulo operator of an expression. More... | |
operator bool () const | |
Checks whether this is an empty expression. More... | |
long | to_long (Context &ctx) const |
Evaluates an expression as an integer. More... | |
double | to_double (Context &ctx) const |
Evaluates an expression as a float. More... | |
std::string | to_string (Context &ctx) const |
Evaluates an expression as a string. More... | |
Ref | to_ref (Context &ctx) const |
Evaluates an expression as a data reference. More... | |
Ref | to_ref (Context &ctx, const Datatype &type) const |
Evaluates an expression as a data reference. More... | |
PDI::Expression::Expression | ( | ) |
Builds an empty expression.
No operation can be used on an empty expression, it can only be assigned to
PDI::Expression::Expression | ( | const Expression & | expr | ) |
Copies an expression.
[in] | expr | the expression to copy |
PDI::Expression::Expression | ( | Expression && | expr | ) |
Moves an expression.
[in] | expr | the expression to move |
PDI::Expression::Expression | ( | const char * | expr | ) |
Builds (i.e.
parse) an expression from a string
The grammar of an expression is as follow:
[in] | expr | the string to parse |
PDI::Expression::Expression | ( | const std::string & | expr | ) |
Builds (i.e.
parse) an expression from a string
The grammar of an expression is as follow:
[in] | expr | the string to parse |
PDI::Expression::Expression | ( | long | expr | ) |
Builds an expression that represents an integer.
[in] | expr | the integer value |
PDI::Expression::Expression | ( | double | expr | ) |
Builds an expression that represents a float.
[in] | expr | the flaot value |
PDI::Expression::Expression | ( | PC_tree_t | expr | ) |
Builds an expression that is parsed from PC_tree_t.
[in] | expr | the PC_tree_t value |
PDI::Expression::~Expression | ( | ) |
Destroys an expression.
Expression& PDI::Expression::operator= | ( | const Expression & | expr | ) |
Copies an expression.
[in] | expr | the expression to copy |
Expression& PDI::Expression::operator= | ( | Expression && | expr | ) |
Moves an expression.
[in] | expr | the expression to move` |
Expression PDI::Expression::operator+ | ( | const Expression & | expr | ) | const |
Summation operator of an expression.
[in] | expr | the expression to add |
Expression PDI::Expression::operator* | ( | const Expression & | expr | ) | const |
Multiplication operator of an expression.
[in] | expr | the expression to multiply |
Expression PDI::Expression::operator- | ( | const Expression & | expr | ) | const |
Subtraction operator of an expression.
[in] | expr | the expression to subtract |
Expression PDI::Expression::operator/ | ( | const Expression & | expr | ) | const |
Division operator of an expression.
[in] | expr | the expression to divide |
Expression PDI::Expression::operator% | ( | const Expression & | expr | ) | const |
Modulo operator of an expression.
[in] | expr | the expression to use modulo |
PDI::Expression::operator bool | ( | ) | const |
Checks whether this is an empty expression.
long PDI::Expression::to_long | ( | Context & | ctx | ) | const |
Evaluates an expression as an integer.
double PDI::Expression::to_double | ( | Context & | ctx | ) | const |
Evaluates an expression as a float.
std::string PDI::Expression::to_string | ( | Context & | ctx | ) | const |
Evaluates an expression as a string.
Evaluates an expression as a data reference.
ctx | the context in which to evaluate the expression |
Evaluates an expression as a data reference.
ctx | the context in which to evaluate the expression |
type | the type of the created Ref |