Difference between revisions of "User:Pedro Oval/Table of implicit type conversions for list extracting functions"
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The non-supported conversions for <code>llList2Rot</code> return <code>ZERO_ROTATION</code>. | The non-supported conversions for <code>llList2Rot</code> return <code>ZERO_ROTATION</code>. | ||
In short: <code>llList2String</code> can be applied to all types. A string element can be extracted by all functions except <code>llList2Vector</code> and <code>llList2Rot</code>. <code> | In short: <code>llList2String</code> can be applied to all types. A string element can be extracted by all functions except <code>llList2Vector</code> and <code>llList2Rot</code>. <code>llList2Integer</code> can extract a float, and <code>llList2Float</code> can extract an integer. No other implicit conversions are supported. | ||
== Test code == | == Test code == |
Revision as of 03:47, 20 December 2011
This table tells whether an implicit type cast is supported by llList2*
depending on the item type in the list. Last tested with this server version: Second Life Server 11.10.18.243270
Updated 2011-10-30 with note on unsupported llList2Key conversions in LSO, which weren't tested before
List item type: Function: |
string | key | integer | float | vector | rotation |
---|---|---|---|---|---|---|
llList2String | YES | YES | YES | YES | YES | YES |
llList2Key | YES | YES | no | no | no | no |
llList2Integer | YES | no | YES | YES | no | no |
llList2Float | YES | no | YES | YES | no | no |
llList2Vector | no | no | no | no | YES | no |
llList2Rot | no | no | no | no | no | YES |
The non-supported conversions for llList2Key
return (key)""
in Mono, and (key)NULL_KEY
in LSO.
The non-supported conversions for llList2Integer
return 0
.
The non-supported conversions for llList2Float
return 0.0
.
The non-supported conversions for llList2Vector
return ZERO_VECTOR
.
The non-supported conversions for llList2Rot
return ZERO_ROTATION
.
In short: llList2String
can be applied to all types. A string element can be extracted by all functions except llList2Vector
and llList2Rot
. llList2Integer
can extract a float, and llList2Float
can extract an integer. No other implicit conversions are supported.
Test code
Here's the program used to elaborate the above table:
<lsl> string CheckResults(integer ExpectedYes, integer ExpectedNo) {
if (ExpectedYes && ExpectedNo) { // Inconsistent check - revise code return "*INCONSISTENT*"; }
if (!ExpectedYes && !ExpectedNo) { // Neither of the checks is met return "*UNEXPECTED*"; } if (ExpectedYes) return " YES"; return " no ";
}
string v2s(vector v) {
return "<"+(string)v.x+", "+(string)v.y+", "+(string)v.z+">";
}
string r2s(rotation r) {
return "<"+(string)r.x+", "+(string)r.y+", "+(string)r.z+", "+(string)r.s+">";
}
default {
state_entry() { string line; string s; key k; integer i; float f; vector v; rotation r;
llOwnerSay("-------------- s k i f v r");
line = "llList2String "; s = "¡!¿?"; k = (key)"01234567-89ab-cdef-0123-456789abcdef"; i = -314159; f = -3.141592e33; v = <-1.22, 0.0, 9.9e9>; r = <0.33, 0.66, 0.33, 0.589>; line += CheckResults(llList2String([s], 0) == s, llList2String([s], 0) == ""); line += CheckResults(llList2String([k], 0) == (string)k, llList2String([k], 0) == ""); line += CheckResults(llList2String([i], 0) == (string)i, llList2String([i], 0) == ""); line += CheckResults(llList2String([f], 0) == (string)f, llList2String([f], 0) == ""); // we can't compare to (string)v because that returns 5 decimals in components instead of the usual 6 line += CheckResults(llList2String([v], 0) == v2s(v), llList2String([v], 0) == ""); // same caveat as above line += CheckResults(llList2String([r], 0) == r2s(r), llList2String([r], 0) == ""); llOwnerSay(line);
line = "llList2Key "; key expectedNo = llList2Key([], 0); // different expected negative result for Mono and LSO line += CheckResults(llList2Key([s], 0) == (key)s, llList2Key([s], 0) == expectedNo); line += CheckResults(llList2Key([k], 0) == k, llList2Key([k], 0) == expectedNo); line += CheckResults(llList2Key([i], 0) == (key)((string)i), llList2Key([i], 0) == expectedNo); line += CheckResults(llList2Key([f], 0) == (key)((string)f), llList2Key([f], 0) == expectedNo); line += CheckResults(llList2Key([v], 0) == (key)v2s(v), llList2Key([v], 0) == expectedNo); line += CheckResults(llList2Key([r], 0) == (key)r2s(r), llList2Key([r], 0) == expectedNo); llOwnerSay(line);
line = "llList2Integer "; s = "234"; k = (key)"234"; i = 234; f = 234.1; v = <234.0, 30.0, 20.0>; r = <1.0, 1.0, 1.0, 1.0>; line += CheckResults(llList2Integer([s], 0) == (integer)s, llList2Integer([s], 0) == 0); line += CheckResults(llList2Integer([k], 0) == (integer)((string)k), llList2Integer([k], 0) == 0); line += CheckResults(llList2Integer([i], 0) == i, llList2Integer([i], 0) == 0); line += CheckResults(llList2Integer([f], 0) == (integer)f, llList2Integer([f], 0) == 0); line += CheckResults(llList2Integer([v], 0) == (integer)v.x, llList2Integer([v], 0) == 0); line += CheckResults(llList2Integer([r], 0) == (integer)r.x, llList2Integer([r], 0) == 0); llOwnerSay(line);
line = "llList2Float "; s = "234.1"; k = (key)"234.1"; i = 234; f = 234.1; v = <234.1, 30.0, 20.0>; r = <0.33, 0.66, 0.33, 0.589>; line += CheckResults(llList2Float([s], 0) == (float)s, llList2Float([s], 0) == 0.0); line += CheckResults(llList2Float([k], 0) == (float)((string)k), llList2Float([k], 0) == 0.0); line += CheckResults(llList2Float([i], 0) == (float)i, llList2Float([i], 0) == 0.0); line += CheckResults(llList2Float([f], 0) == f, llList2Float([f], 0) == 0.0); line += CheckResults(llList2Float([v], 0) == v.x, llList2Float([v], 0) == 0.0); line += CheckResults(llList2Float([r], 0) == r.x, llList2Float([r], 0) == 0.0); llOwnerSay(line);
line = "llList2Vector "; s = "<1.3, 1.4, 1.5>"; k = (key)s; line += CheckResults(llList2Vector([s], 0) == (vector)s, llList2Vector([s], 0) == ZERO_VECTOR); line += CheckResults(llList2Vector([k], 0) == (vector)((string)k), llList2Vector([k], 0) == ZERO_VECTOR); line += CheckResults(llList2Vector([i], 0) == <i, 0, 0>, llList2Vector([i], 0) == ZERO_VECTOR); line += CheckResults(llList2Vector([f], 0) == <f, 0, 0>, llList2Vector([f], 0) == ZERO_VECTOR); line += CheckResults(llList2Vector([v], 0) == v, llList2Vector([v], 0) == ZERO_VECTOR); line += CheckResults(llList2Vector([r], 0) == <r.x,r.y,r.z>, llList2Vector([r], 0) == ZERO_VECTOR); llOwnerSay(line);
line = "llList2Rot "; s = "<1.3, 1.4, 1.5, 1.6>"; k = (key)s; line += CheckResults(llList2Rot([s], 0) == (rotation)s, llList2Rot([s], 0) == ZERO_ROTATION); line += CheckResults(llList2Rot([k], 0) == (rotation)((string)k), llList2Rot([k], 0) == ZERO_ROTATION); line += CheckResults(llList2Rot([i], 0) == <i, 0, 0, 0>, llList2Rot([i], 0) == ZERO_ROTATION); line += CheckResults(llList2Rot([f], 0) == <f, 0, 0, 0>, llList2Rot([f], 0) == ZERO_ROTATION); line += CheckResults(llList2Rot([v], 0) == <v.x, v.y, v.z, 0>, llList2Rot([v], 0) == ZERO_ROTATION); line += CheckResults(llList2Rot([r], 0) == r, llList2Rot([r], 0) == ZERO_ROTATION); llOwnerSay(line); }
} </lsl>