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Move Lexer::set_action_handler() to non-const member section

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This commit is contained in:
Charles Baker 2023-05-21 19:53:46 +12:00
parent 5ce357e651
commit b7b7c4d61e
2 changed files with 38 additions and 38 deletions
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2
src/lalr/Lexer.hpp
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@ -48,13 +48,13 @@ class Lexer
public:
Lexer( const LexerStateMachine* state_machine, const LexerStateMachine* whitespace_state_machine = nullptr, const void* end_symbol = nullptr, ErrorPolicy* error_policy = nullptr );
void set_action_handler( const char* identifier, LexerActionFunction function );
const std::basic_string<Char, Traits, Allocator>& lexeme() const;
int line() const;
int column() const;
const void* symbol() const;
const Iterator& position() const;
bool full() const;
void set_action_handler( const char* identifier, LexerActionFunction function );
void reset( Iterator start, Iterator finish );
void advance();

74
src/lalr/Lexer.ipp
View file

@ -88,43 +88,6 @@ Lexer<Iterator, Char, Traits, Allocator>::Lexer( const LexerStateMachine* state_
}
}
/**
// Set the action handler for \e identifier to \e function.
//
// @param identifier
// The identifier of the action to set a handler for.
//
// @param function
// The function to set as the handler.
*/
template <class Iterator, class Char, class Traits, class Allocator>
void Lexer<Iterator, Char, Traits, Allocator>::set_action_handler( const char* identifier, LexerActionFunction function )
{
LALR_ASSERT( identifier );
typename std::vector<LexerActionHandler>::iterator action_handler = action_handlers_.begin();
while ( action_handler != action_handlers_.end() && strcmp(action_handler->action_->identifier, identifier) != 0 )
{
++action_handler;
}
if ( action_handler != action_handlers_.end() )
{
action_handler->function_ = function;
}
action_handler = whitespace_action_handlers_.begin();
while ( action_handler != whitespace_action_handlers_.end() && strcmp(action_handler->action_->identifier, identifier) != 0 )
{
++action_handler;
}
if ( action_handler != whitespace_action_handlers_.end() )
{
action_handler->function_ = function;
}
}
/**
// Get the most recently scanned lexeme.
//
@ -197,6 +160,43 @@ bool Lexer<Iterator, Char, Traits, Allocator>::full() const
return full_;
}
/**
// Set the action handler for \e identifier to \e function.
//
// @param identifier
// The identifier of the action to set a handler for.
//
// @param function
// The function to set as the handler.
*/
template <class Iterator, class Char, class Traits, class Allocator>
void Lexer<Iterator, Char, Traits, Allocator>::set_action_handler( const char* identifier, LexerActionFunction function )
{
LALR_ASSERT( identifier );
typename std::vector<LexerActionHandler>::iterator action_handler = action_handlers_.begin();
while ( action_handler != action_handlers_.end() && strcmp(action_handler->action_->identifier, identifier) != 0 )
{
++action_handler;
}
if ( action_handler != action_handlers_.end() )
{
action_handler->function_ = function;
}
action_handler = whitespace_action_handlers_.begin();
while ( action_handler != whitespace_action_handlers_.end() && strcmp(action_handler->action_->identifier, identifier) != 0 )
{
++action_handler;
}
if ( action_handler != whitespace_action_handlers_.end() )
{
action_handler->function_ = function;
}
}
/**
// Reset this %Lexer to scan [\e start, \e finish) starting its line count
// from \e line.