pike.git/ src/ cpp.cmod

2018-02-21

2018-02-21 16:48:06 by Henrik Grubbström (Grubba) <grubba@grubba.org>

• 67103432ac5f50f9c6c0fcde2c418a228cb8bed8 (33 lines) (+31/-2) ^{[ Show | Annotate ]}
  Branch: master

Preprocessor: Some more cpp() API cleanups.

2966:   /*    * Preprocessor template.    * +  * NB: There are two basic cases where this function is called: +  * +  * * Either when switching to a new input data string +  * (eg macro expansion or #include). The result of +  * this is added to the current buffer. +  * +  * * Or parsing to the end of the line after a directive. +  * The result of this is added to a temporary buffer.    */   static ptrdiff_t low_cpp(struct CPP_struct *this,    PCHARP data,
4252:    return pos;   }    -  PIKEFUN void cpp(string data, int flags) +  PIKEFUN void low_cpp(string data, int flags)    {    low_cpp(THIS, MKPCHARP_STR(data), data->len, flags, THIS->charset);    }    -  +  PIKEFUN string cpp(string data, int flags) +  { +  struct CPP_struct *this = THIS; +  struct string_builder save_buf = this->buf; +  struct pike_string *save_file = this->current_file; +  INT_TYPE save_line = this->current_line; +  +  if (save_file) add_ref(save_file); +  init_string_builder(&this->buf, 0); +  +  low_cpp(this, MKPCHARP_STR(data), data->len, flags, THIS->charset); +  +  push_string(finish_string_builder(&this->buf)); +  +  this->buf = save_buf; +  if (this->current_file) free_string(this->current_file); +  this->current_file = save_file; +  this->current_line = save_line; +  } +    /*** Magic defines ***/      /*! @decl constant __LINE__
4966:       ref_push_string(data); /* data */    push_int(0); /* flags */ -  apply(cpp_obj, "cpp", 2); +  apply(cpp_obj, "low_cpp", 2);      #ifdef PIKE_DEBUG    UNSET_ONERROR(tmp);