TAO_Lex_String_Input Class Reference

Have Lex read from a string and not from stdin. Essentially, the interpreter needs to call yylex() until EOF, and call TAO_Lex_String_Input::reset() with the new string, prior to calling yyparse. More...

#include <Interpreter.h>

List of all members.

Static Public Member Functions
void	reset (char *input_string)
	Reset the lex input.
int	copy_into (char *buf, int max_size)
	Method lex will call to read from the input string.
Static Private Attributes
char *	string_ = 0
	Pointers to keep track of the input string.
char *	current_ = 0
char *	end_ = 0

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Detailed Description

Have Lex read from a string and not from stdin. Essentially, the interpreter needs to call yylex() until EOF, and call TAO_Lex_String_Input::reset() with the new string, prior to calling yyparse.

Definition at line 78 of file Interpreter.h.

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Member Function Documentation

int TAO_Lex_String_Input::copy_into (  char *  buf, int  max_size )  [static]

Method lex will call to read from the input string. Definition at line 76 of file Interpreter.cpp. References current_, end_, and ACE_OS::memcpy(). { int chars_left = static_cast<int> (TAO_Lex_String_Input::end_ - TAO_Lex_String_Input::current_); int n = max_size > chars_left ? chars_left : max_size; if (n > 0) { ACE_OS::memcpy (buf, TAO_Lex_String_Input::current_, n); TAO_Lex_String_Input::current_ += n; } return n; }

void TAO_Lex_String_Input::reset (  char *  input_string  )  [static]

Reset the lex input. Definition at line 94 of file Interpreter.cpp. References current_, end_, string_, and ACE_OS::strlen(). Referenced by TAO_Interpreter::build_tree(). { TAO_Lex_String_Input::string_ = input_string; TAO_Lex_String_Input::current_ = input_string; TAO_Lex_String_Input::end_ = input_string + ACE_OS::strlen (TAO_Lex_String_Input::string_); }

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Member Data Documentation

char * TAO_Lex_String_Input::current_ = 0 [static, private]

Definition at line 70 of file Interpreter.cpp. Referenced by copy_into(), and reset().

char * TAO_Lex_String_Input::end_ = 0 [static, private]

Definition at line 71 of file Interpreter.cpp. Referenced by copy_into(), and reset().

char * TAO_Lex_String_Input::string_ = 0 [static, private]

Pointers to keep track of the input string. Definition at line 69 of file Interpreter.cpp. Referenced by reset().

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The documentation for this class was generated from the following files:

• Interpreter.h
• Interpreter.cpp

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