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authorericm <ericm>2000-07-18 21:30:40 (GMT)
committerericm <ericm>2000-07-18 21:30:40 (GMT)
commit26e4d6af1e3593766c42558745033818cae3b377 (patch)
tree214976cf390fdc922f0513e78335ac253b746b59 /library/opt/optparse.tcl
parent25ae774988b1ff08384886cc62c07f67a0d1d979 (diff)
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* tests/opt.test: Removed references to Lfirst, Lrest functions.
* library/opt0.4/optparse.tcl: Applied patch from Chris Nelson, which replaces the [Lfirst] function with an inline [lindex ... 0] and [Lrest] with [lrange ... 1 end], for better performance. [RFE: 6019]
Diffstat (limited to 'library/opt/optparse.tcl')
-rw-r--r--library/opt/optparse.tcl40
1 files changed, 16 insertions, 24 deletions
diff --git a/library/opt/optparse.tcl b/library/opt/optparse.tcl
index eabb734..0f6019a 100644
--- a/library/opt/optparse.tcl
+++ b/library/opt/optparse.tcl
@@ -8,7 +8,7 @@
# on it. If your code does rely on this package you
# may directly incorporate this code into your application.
#
-# RCS: @(#) $Id: optparse.tcl,v 1.3 2000/06/20 21:28:11 ericm Exp $
+# RCS: @(#) $Id: optparse.tcl,v 1.4 2000/07/18 21:30:41 ericm Exp $
package provide opt 0.4.1
@@ -18,7 +18,7 @@ namespace eval ::tcl {
namespace export OptKeyRegister OptKeyDelete OptKeyError OptKeyParse \
OptProc OptProcArgGiven OptParse \
Lempty Lget \
- Lassign Lvarpop Lvarpop1 Lvarset Lvarincr Lfirst Lrest \
+ Lassign Lvarpop Lvarpop1 Lvarset Lvarincr \
SetMax SetMin
@@ -109,9 +109,9 @@ namespace eval ::tcl {
# instruction :== single element list
#
# (the difference between singleStep and program is that \
-# llength [Lfirst $program] >= 2
+# llength [lindex $program 0] >= 2
# while
-# llength [Lfirst $singleStep] == 1
+# llength [lindex $singleStep 0] == 1
# )
#
# And for this application:
@@ -174,7 +174,7 @@ proc ::tcl::OptKeyRegister {desc {key ""}} {
return -code error "'args' special argument must be the last one";
}
set res [OptNormalizeOne $item];
- set state [Lfirst $res];
+ set state [lindex $res 0];
if {$inflags} {
if {$state == "flags"} {
# add to 'subprogram'
@@ -277,7 +277,7 @@ proc ::tcl::OptProcArgGiven {argname} {
# Return the instruction word/list of a given step/(sub)program
proc OptInstr {lst} {
- Lfirst $lst;
+ lindex $lst 0;
}
# Is a (sub) program or a plain instruction ?
proc OptIsPrg {lst} {
@@ -285,7 +285,7 @@ proc ::tcl::OptProcArgGiven {argname} {
}
# Is this instruction a program counter or a real instr
proc OptIsCounter {item} {
- expr {[Lfirst $item]=="P"}
+ expr {[lindex $item 0]=="P"}
}
# Current program counter (2nd word of first word)
proc OptGetPrgCounter {lst} {
@@ -299,7 +299,7 @@ proc ::tcl::OptProcArgGiven {argname} {
# returns a list of currently selected items.
proc OptSelection {lst} {
set res {};
- foreach idx [lrange [Lfirst $lst] 1 end] {
+ foreach idx [lrange [lindex $lst 0] 1 end] {
lappend res [Lget $lst $idx];
}
return $res;
@@ -348,7 +348,7 @@ proc ::tcl::OptProcArgGiven {argname} {
# empty state means done/paste the end of the program
proc OptState {item} {
- Lfirst $item
+ lindex $item 0
}
# current state
@@ -361,7 +361,7 @@ proc ::tcl::OptProcArgGiven {argname} {
# Returns the argument that has to be processed now
proc OptCurrentArg {lst} {
- Lfirst $lst;
+ lindex $lst 0;
}
# Advance to next argument
proc OptNextArg {argsName} {
@@ -962,7 +962,7 @@ proc ::tcl::Lget {list indexLst} {
if {[llength $indexLst] <= 1} {
return [lindex $list $indexLst];
}
- Lget [lindex $list [Lfirst $indexLst]] [Lrest $indexLst];
+ Lget [lindex $list [lindex $indexLst 0]] [lrange $indexLst 1 end];
}
# Sets the value of one leaf of a lists tree
# (we use the version that does not create the elements because
@@ -977,13 +977,13 @@ proc ::tcl::Lvarset {listName indexLst newValue} {
if {[llength $indexLst] <= 1} {
Lvarset1nc list $indexLst $newValue;
} else {
- set idx [Lfirst $indexLst];
+ set idx [lindex $indexLst 0];
set targetList [lindex $list $idx];
# reduce refcount on targetList (not really usefull now,
# could be with optimizing compiler)
# Lvarset1 list $idx {};
# recursively replace in targetList
- Lvarset targetList [Lrest $indexLst] $newValue;
+ Lvarset targetList [lrange $indexLst 1 end] $newValue;
# put updated sub list back in the tree
Lvarset1nc list $idx $targetList;
}
@@ -1017,12 +1017,12 @@ proc ::tcl::Lvarincr {listName indexLst {howMuch 1}} {
if {[llength $indexLst] <= 1} {
Lvarincr1 list $indexLst $howMuch;
} else {
- set idx [Lfirst $indexLst];
+ set idx [lindex $indexLst 0];
set targetList [lindex $list $idx];
# reduce refcount on targetList
Lvarset1nc list $idx {};
# recursively replace in targetList
- Lvarincr targetList [Lrest $indexLst] $howMuch;
+ Lvarincr targetList [lrange $indexLst 1 end] $howMuch;
# put updated sub list back in the tree
Lvarset1nc list $idx $targetList;
}
@@ -1034,14 +1034,6 @@ proc ::tcl::Lvarincr1 {listName index {howMuch 1}} {
set list [lreplace $list $index $index $newValue];
return $newValue;
}
-# Returns the first element of a list
-proc ::tcl::Lfirst {list} {
- lindex $list 0
-}
-# Returns the rest of the list minus first element
-proc ::tcl::Lrest {list} {
- lrange $list 1 end
-}
# Removes the first element of a list
# and returns the new list value
proc ::tcl::Lvarpop1 {listName} {
@@ -1052,7 +1044,7 @@ proc ::tcl::Lvarpop1 {listName} {
# (Like the tclX version)
proc ::tcl::Lvarpop {listName} {
upvar $listName list;
- set el [Lfirst $list];
+ set el [lindex $list 0];
set list [lrange $list 1 end];
return $el;
}