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/**
* Script.cpp
*
* Implementation file for the script class
*
* @author Emiel Bruijntjes <emiel.bruijntjes@copernica.com>
* @copyright 2014 Copernica BV
*/
/**
* Dependencies
*/
#include "includes.h"
/**
* Open PHP namespace
*/
namespace Php {
/**
* Helper function to compile the source code
* @param name name of the script
* @param script actual PHP code
* @param size length of the string
* @return opcodes
*/
zend_op_array *Script::compile(const char *name, const char *phpcode, size_t size)
{
// Sadly, there is not a simple Zend function to compile a string into opcodes,
// so we basically copy the code that we found in zend_execute_API.c inside
// the zend_eval_stringl() function into this file here. However, the code
// found there is full of zval manipulation, for which we can use the much
// simpler Php::Value object
Php::Value source(phpcode, size);
// we need the tsrm_ls variable
// @todo it would be better if this was passed as param to the compile() method
TSRMLS_FETCH();
// remember the old compiler options, and set new compiler options
CompilerOptions options(ZEND_COMPILE_DEFAULT_FOR_EVAL TSRMLS_CC);
// compile the string
return zend_compile_string(source._val, (char *)name TSRMLS_CC);
}
/**
* Constructor
* @param name name of the script
* @param script actual PHP code
* @param size length of the string
*/
Script::Script(const char *name, const char *phpcode, size_t size) _NOEXCEPT
{
// we need the tsrm_ls variable
TSRMLS_FETCH();
// construct opcodes
_opcodes = new Opcodes(compile(name, phpcode, size) TSRMLS_CC);
}
/**
* Destructor
*/
Script::~Script()
{
// remove opcodes
delete _opcodes;
}
/**
* Is the script a valid PHP script without syntax errors?
* @return bool
*/
bool Script::valid() const
{
// check opcodes
return _opcodes && _opcodes->valid();
}
/**
* Execute the script
* The return value of the script is returned
* @return Value
*/
Value Script::execute() const
{
// pass on to opcodes
if (!_opcodes) return nullptr;
// execute opcodes
return _opcodes->execute();
}
/**
* End of namespace
*/
}
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