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Overview
Comment:(experiment) Implement "package require Tcl" according to the alternative TIP #440 implementation.
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Timelines: family | ancestors | descendants | both | tip-440-alt
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SHA1:6bb2308fcb9a8d318313f5da0cd84d15803e4bd2
User & Date: jan.nijtmans 2016-01-20 13:04:07
Context
2016-01-20
22:33
How about the TIP #59 way of TIP #440? "::tcl::pkgconfig get engine" -> "core" check-in: fbc9e292 user: jan.nijtmans tags: tip-440-alt
13:04
(experiment) Implement "package require Tcl" according to the alternative TIP #440 implementation. check-in: 6bb2308f user: jan.nijtmans tags: tip-440-alt
2016-01-19
18:59
Remove superfluous library reference when compiling with MinGW. check-in: 9a091248 user: mistachkin tags: trunk
Changes
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Changes to src/th_lang.c.

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**
** All built-in commands are implemented using the public interface
** declared in th.h, so this file serves as both a part of the language
** implementation and an example of how to extend the language with
** new commands.
*/


#include "config.h"
#include "th.h"
#include <string.h>
#include <assert.h>

int Th_WrongNumArgs(Th_Interp *interp, const char *zMsg){
  Th_ErrorMessage(interp, "wrong # args: should be \"", zMsg, -1);
................................................................................
  static const Th_SubCommand aSub[] = {
    { "exists", array_exists_command },
    { "names",  array_names_command },
    { 0, 0 }
  };
  return Th_CallSubCommand(interp, ctx, argc, argv, argl, aSub);
}








































/*
** Convert the script level frame specification (used by the commands
** [uplevel] and [upvar]) in (zFrame, nFrame) to an integer frame as
** used by Th_LinkVar() and Th_Eval(). If successful, write the integer
** frame level to *piFrame and return TH_OK. Otherwise, return TH_ERROR
** and leave an error message in the interpreter result.
................................................................................
    {"for",      for_command,     0},
    {"if",       if_command,      0},
    {"info",     info_command,    0},
    {"lindex",   lindex_command,  0},
    {"list",     list_command,    0},
    {"llength",  llength_command, 0},
    {"lsearch",  lsearch_command, 0},

    {"proc",     proc_command,    0},
    {"rename",   rename_command,  0},
    {"set",      set_command,     0},
    {"string",   string_command,  0},
    {"unset",    unset_command,   0},
    {"uplevel",  uplevel_command, 0},
    {"upvar",    upvar_command,   0},







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**
** All built-in commands are implemented using the public interface
** declared in th.h, so this file serves as both a part of the language
** implementation and an example of how to extend the language with
** new commands.
*/

#include "VERSION.h"
#include "config.h"
#include "th.h"
#include <string.h>
#include <assert.h>

int Th_WrongNumArgs(Th_Interp *interp, const char *zMsg){
  Th_ErrorMessage(interp, "wrong # args: should be \"", zMsg, -1);
................................................................................
  static const Th_SubCommand aSub[] = {
    { "exists", array_exists_command },
    { "names",  array_names_command },
    { 0, 0 }
  };
  return Th_CallSubCommand(interp, ctx, argc, argv, argl, aSub);
}

/*
** TH Syntax:
**
**   package require Tcl
*/
static int package_require_command(
  Th_Interp *interp,
  void *ctx,
  int argc,
  const char **argv,
  int *argl
){
  if( strcmp(argv[2], "Tcl") ){
      Th_ErrorMessage(interp, "can't find package", argv[2], argl[2]);
      return TH_ERROR;
  }
  Th_SetResult(interp, RELEASE_VERSION "+fossil-scm.org." MANIFEST_UUID , -1);
  return TH_OK;
}

/*
** TH Syntax:
**
**   package require Tcl
*/
static int package_command(
  Th_Interp *interp,
  void *ctx,
  int argc,
  const char **argv,
  int *argl
){
  static const Th_SubCommand aSub[] = {
    { "require", package_require_command },
    { 0, 0 }
  };
  return Th_CallSubCommand(interp, ctx, argc, argv, argl, aSub);
}

/*
** Convert the script level frame specification (used by the commands
** [uplevel] and [upvar]) in (zFrame, nFrame) to an integer frame as
** used by Th_LinkVar() and Th_Eval(). If successful, write the integer
** frame level to *piFrame and return TH_OK. Otherwise, return TH_ERROR
** and leave an error message in the interpreter result.
................................................................................
    {"for",      for_command,     0},
    {"if",       if_command,      0},
    {"info",     info_command,    0},
    {"lindex",   lindex_command,  0},
    {"list",     list_command,    0},
    {"llength",  llength_command, 0},
    {"lsearch",  lsearch_command, 0},
    {"package",  package_command, 0},
    {"proc",     proc_command,    0},
    {"rename",   rename_command,  0},
    {"set",      set_command,     0},
    {"string",   string_command,  0},
    {"unset",    unset_command,   0},
    {"uplevel",  uplevel_command, 0},
    {"upvar",    upvar_command,   0},