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#ifndef SASS_ERROR_HANDLING_H
#define SASS_ERROR_HANDLING_H
#include <string>
#include <sstream>
#include <stdexcept>
#include "position.hpp"
#include "backtrace.hpp"
#include "ast_fwd_decl.hpp"
#include "sass/functions.h"
namespace Sass {
struct Backtrace;
namespace Exception {
const std::string def_msg = "Invalid sass detected";
const std::string def_op_msg = "Undefined operation";
const std::string def_op_null_msg = "Invalid null operation";
const std::string def_nesting_limit = "Code too deeply neested";
class Base : public std::runtime_error {
protected:
std::string msg;
std::string prefix;
public:
ParserState pstate;
Backtraces traces;
public:
Base(ParserState pstate, std::string msg, Backtraces traces);
virtual const char* errtype() const { return prefix.c_str(); }
virtual const char* what() const throw() { return msg.c_str(); }
virtual ~Base() throw() {};
};
class InvalidSass : public Base {
public:
InvalidSass(ParserState pstate, Backtraces traces, std::string msg);
virtual ~InvalidSass() throw() {};
};
class InvalidParent : public Base {
protected:
Selector_Ptr parent;
Selector_Ptr selector;
public:
InvalidParent(Selector_Ptr parent, Backtraces traces, Selector_Ptr selector);
virtual ~InvalidParent() throw() {};
};
class MissingArgument : public Base {
protected:
std::string fn;
std::string arg;
std::string fntype;
public:
MissingArgument(ParserState pstate, Backtraces traces, std::string fn, std::string arg, std::string fntype);
virtual ~MissingArgument() throw() {};
};
class InvalidArgumentType : public Base {
protected:
std::string fn;
std::string arg;
std::string type;
const Value_Ptr value;
public:
InvalidArgumentType(ParserState pstate, Backtraces traces, std::string fn, std::string arg, std::string type, const Value_Ptr value = 0);
virtual ~InvalidArgumentType() throw() {};
};
class InvalidVarKwdType : public Base {
protected:
std::string name;
const Argument_Ptr arg;
public:
InvalidVarKwdType(ParserState pstate, Backtraces traces, std::string name, const Argument_Ptr arg = 0);
virtual ~InvalidVarKwdType() throw() {};
};
class InvalidSyntax : public Base {
public:
InvalidSyntax(ParserState pstate, Backtraces traces, std::string msg);
virtual ~InvalidSyntax() throw() {};
};
class NestingLimitError : public Base {
public:
NestingLimitError(ParserState pstate, Backtraces traces, std::string msg = def_nesting_limit);
virtual ~NestingLimitError() throw() {};
};
class DuplicateKeyError : public Base {
protected:
const Map& dup;
const Expression& org;
public:
DuplicateKeyError(Backtraces traces, const Map& dup, const Expression& org);
virtual const char* errtype() const { return "Error"; }
virtual ~DuplicateKeyError() throw() {};
};
class TypeMismatch : public Base {
protected:
const Expression& var;
const std::string type;
public:
TypeMismatch(Backtraces traces, const Expression& var, const std::string type);
virtual const char* errtype() const { return "Error"; }
virtual ~TypeMismatch() throw() {};
};
class InvalidValue : public Base {
protected:
const Expression& val;
public:
InvalidValue(Backtraces traces, const Expression& val);
virtual const char* errtype() const { return "Error"; }
virtual ~InvalidValue() throw() {};
};
class StackError : public Base {
protected:
const AST_Node& node;
public:
StackError(Backtraces traces, const AST_Node& node);
virtual const char* errtype() const { return "SystemStackError"; }
virtual ~StackError() throw() {};
};
/* common virtual base class (has no pstate or trace) */
class OperationError : public std::runtime_error {
protected:
std::string msg;
public:
OperationError(std::string msg = def_op_msg)
: std::runtime_error(msg), msg(msg)
{};
public:
virtual const char* errtype() const { return "Error"; }
virtual const char* what() const throw() { return msg.c_str(); }
virtual ~OperationError() throw() {};
};
class ZeroDivisionError : public OperationError {
protected:
const Expression& lhs;
const Expression& rhs;
public:
ZeroDivisionError(const Expression& lhs, const Expression& rhs);
virtual const char* errtype() const { return "ZeroDivisionError"; }
virtual ~ZeroDivisionError() throw() {};
};
class IncompatibleUnits : public OperationError {
protected:
// const Sass::UnitType lhs;
// const Sass::UnitType rhs;
public:
IncompatibleUnits(const Units& lhs, const Units& rhs);
IncompatibleUnits(const UnitType lhs, const UnitType rhs);
virtual ~IncompatibleUnits() throw() {};
};
class UndefinedOperation : public OperationError {
protected:
Expression_Ptr_Const lhs;
Expression_Ptr_Const rhs;
const Sass_OP op;
public:
UndefinedOperation(Expression_Ptr_Const lhs, Expression_Ptr_Const rhs, enum Sass_OP op);
// virtual const char* errtype() const { return "Error"; }
virtual ~UndefinedOperation() throw() {};
};
class InvalidNullOperation : public UndefinedOperation {
public:
InvalidNullOperation(Expression_Ptr_Const lhs, Expression_Ptr_Const rhs, enum Sass_OP op);
virtual ~InvalidNullOperation() throw() {};
};
class AlphaChannelsNotEqual : public OperationError {
protected:
Expression_Ptr_Const lhs;
Expression_Ptr_Const rhs;
const Sass_OP op;
public:
AlphaChannelsNotEqual(Expression_Ptr_Const lhs, Expression_Ptr_Const rhs, enum Sass_OP op);
// virtual const char* errtype() const { return "Error"; }
virtual ~AlphaChannelsNotEqual() throw() {};
};
class SassValueError : public Base {
public:
SassValueError(Backtraces traces, ParserState pstate, OperationError& err);
virtual ~SassValueError() throw() {};
};
}
void warn(std::string msg, ParserState pstate);
void warn(std::string msg, ParserState pstate, Backtrace* bt);
void warning(std::string msg, ParserState pstate);
void deprecated_function(std::string msg, ParserState pstate);
void deprecated(std::string msg, std::string msg2, bool with_column, ParserState pstate);
void deprecated_bind(std::string msg, ParserState pstate);
// void deprecated(std::string msg, ParserState pstate, Backtrace* bt);
void coreError(std::string msg, ParserState pstate);
void error(std::string msg, ParserState pstate, Backtraces& traces);
}
#endif
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