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Overview
Comment:Add minimal 'lsearch' command to TH1. Only exact case-sensitive matching is supported.
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SHA1: 54b0567cdaaa87e126b5d5fdef70d1ce70eff711
User & Date: mistachkin 2015-05-29 17:17:13
Context
2015-05-29
17:20
Add 'glob_match' command to TH1. check-in: 62f1f484 user: mistachkin tags: trunk
17:17
Add minimal 'lsearch' command to TH1. Only exact case-sensitive matching is supported. check-in: 54b0567c user: mistachkin tags: trunk
17:14
Enhance file_tree_name() to be capable of producing absolute paths within the local tree. Fix --hard option to mv/rm to enable them to work properly with certain relative paths. check-in: c56a387d user: mistachkin tags: trunk
2015-05-27
03:58
Add minimal 'lsearch' command to TH1. Only exact case-sensitive matching is supported. Closed-Leaf check-in: eabd7290 user: mistachkin tags: lsearchCmd
Changes
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Changes to src/th_lang.c. 

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  }

  return rc;
}

/*
** TH Syntax:





































**
**   set varname ?value?
*/
static int set_command(
  Th_Interp *interp,
  void *ctx,
  int argc,
................................................................................
    {"expr",     expr_command,    0},
    {"for",      for_command,     0},
    {"if",       if_command,      0},
    {"info",     info_command,    0},
    {"lindex",   lindex_command,  0},
    {"list",     list_command,    0},
    {"llength",  llength_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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  }

  return rc;
}

/*
** TH Syntax:
**
**   lsearch list string
*/
static int lsearch_command(
  Th_Interp *interp,
  void *ctx,
  int argc,
  const char **argv,
  int *argl
){
  int rc;
  char **azElem;
  int *anElem;
  int nCount;
  int i;

  if( argc!=3 ){
    return Th_WrongNumArgs(interp, "lsearch list string");
  }

  rc = Th_SplitList(interp, argv[1], argl[1], &azElem, &anElem, &nCount);
  if( rc==TH_OK ){
    Th_SetResultInt(interp, -1);
    for(i=0; i<nCount; i++){
      if( anElem[i]==argl[2] && 0==memcmp(azElem[i], argv[2], argl[2]) ){
        Th_SetResultInt(interp, i);
        break;
      }
    }
    Th_Free(interp, azElem);
  }

  return rc;
}

/*
** TH Syntax:
**
**   set varname ?value?
*/
static int set_command(
  Th_Interp *interp,
  void *ctx,
  int argc,
................................................................................
    {"expr",     expr_command,    0},
    {"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},

Changes to test/th1.test. 

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#
fossil test-th-eval "info commands"
test th1-info-commands-1 {$RESULT eq {linecount htmlize date stime\
enable_output uplevel http expr utime styleFooter catch if tclReady\
searchable reinitialize combobox lindex query html anoncap randhex\
llength for set break regexp styleHeader puts return checkout decorate\
artifact trace wiki proc hascap globalState continue getParameter\
hasfeature setting breakpoint upvar render repository string unset\
setParameter list error info rename anycap httpize}}

###############################################################################

fossil test-th-eval "info vars"
test th1-info-vars-1 {$RESULT eq ""}

................................................................................
fossil test-th-eval "proc foo {} {set x 1; info vars}; foo"
test th1-info-vars-4 {$RESULT eq "x"}

###############################################################################

fossil test-th-eval "set y 1; proc foo {} {set x 1; uplevel 1 {info vars}}; foo"
test th1-info-vars-5 {$RESULT eq "y"}





























































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#
fossil test-th-eval "info commands"
test th1-info-commands-1 {$RESULT eq {linecount htmlize date stime\
enable_output uplevel http expr utime styleFooter catch if tclReady\
searchable reinitialize combobox lindex query html anoncap randhex\
llength for set break regexp styleHeader puts return checkout decorate\
artifact trace wiki proc hascap globalState continue getParameter\
hasfeature setting lsearch breakpoint upvar render repository string unset\
setParameter list error info rename anycap httpize}}

###############################################################################

fossil test-th-eval "info vars"
test th1-info-vars-1 {$RESULT eq ""}

................................................................................
fossil test-th-eval "proc foo {} {set x 1; info vars}; foo"
test th1-info-vars-4 {$RESULT eq "x"}

###############################################################################

fossil test-th-eval "set y 1; proc foo {} {set x 1; uplevel 1 {info vars}}; foo"
test th1-info-vars-5 {$RESULT eq "y"}

###############################################################################

fossil test-th-eval "lsearch"
test th1-lsearch-1 {$RESULT eq \
    {TH_ERROR: wrong # args: should be "lsearch list string"}}

###############################################################################

fossil test-th-eval "lsearch a"
test th1-lsearch-2 {$RESULT eq \
    {TH_ERROR: wrong # args: should be "lsearch list string"}}

###############################################################################

fossil test-th-eval "lsearch a a a"
test th1-lsearch-3 {$RESULT eq \
    {TH_ERROR: wrong # args: should be "lsearch list string"}}

###############################################################################

fossil test-th-eval "lsearch {a b c} a"
test th1-lsearch-4 {$RESULT eq "0"}

###############################################################################

fossil test-th-eval "lsearch {a b c} b"
test th1-lsearch-5 {$RESULT eq "1"}

###############################################################################

fossil test-th-eval "lsearch {a b c} c"
test th1-lsearch-6 {$RESULT eq "2"}

###############################################################################

fossil test-th-eval "lsearch {a b c} d"
test th1-lsearch-7 {$RESULT eq "-1"}

###############################################################################

fossil test-th-eval "lsearch {a b c} aa"
test th1-lsearch-8 {$RESULT eq "-1"}

###############################################################################

fossil test-th-eval "lsearch {aa b c} a"
test th1-lsearch-9 {$RESULT eq "-1"}

###############################################################################

fossil test-th-eval "lsearch \"\{aa b c\" a"
test th1-lsearch-10 {$RESULT eq "TH_ERROR: Expected list, got: \"\{aa b c\""}

Changes to www/th1.md. 

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  *  if EXPR SCRIPT (elseif EXPR SCRIPT)* ?else SCRIPT?
  *  info commands
  *  info exists VARNAME
  *  info vars
  *  lindex LIST INDEX
  *  list ARG ...
  *  llength LIST

  *  proc NAME ARG-LIST BODY-SCRIPT
  *  rename OLD NEW
  *  return ?-code CODE? ?VALUE?
  *  set VARNAME VALUE
  *  string compare STR1 STR2
  *  string first NEEDLE HAYSTACK ?START-INDEX?
  *  string is CLASS STRING








>








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  *  if EXPR SCRIPT (elseif EXPR SCRIPT)* ?else SCRIPT?
  *  info commands
  *  info exists VARNAME
  *  info vars
  *  lindex LIST INDEX
  *  list ARG ...
  *  llength LIST
  *  lsearch LIST STRING
  *  proc NAME ARG-LIST BODY-SCRIPT
  *  rename OLD NEW
  *  return ?-code CODE? ?VALUE?
  *  set VARNAME VALUE
  *  string compare STR1 STR2
  *  string first NEEDLE HAYSTACK ?START-INDEX?
  *  string is CLASS STRING

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