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Improved error messages.

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This commit is contained in:
Enyby
2018-09-16 15:52:14 +03:00
committed by GitHub
parent 9b77084109
commit d0ed5b80e5
1 changed files with 11 additions and 5 deletions
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16
src/core/org/luaj/vm2/LuaTable.java
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@@ -266,8 +266,8 @@ public class LuaTable extends LuaValue implements Metatable {
/** caller must ensure key is not nil */
public void set( LuaValue key, LuaValue value ) {
if (!key.isvalidkey() && !metatag(NEWINDEX).isfunction())
typerror("table index");
if (key == null || !key.isvalidkey() && !metatag(NEWINDEX).isfunction())
throw new LuaError("value ('" + key + "') can not be used as a table index");
if ( m_metatable==null || ! rawget(key).isnil() || ! settable(this,key,value) )
rawset(key, value);
}
@@ -347,7 +347,12 @@ public class LuaTable extends LuaValue implements Metatable {
}
public int length() {
return m_metatable != null? len().toint(): rawlen();
if (m_metatable != null) {
LuaValue len = len();
if (!len.isint()) throw new LuaError("table length is not an integer: " + len);
return len.toint();
}
return rawlen();
}
public LuaValue len() {
@@ -390,7 +395,7 @@ public class LuaTable extends LuaValue implements Metatable {
}
}
if ( hash.length == 0 )
error( "invalid key to 'next'" );
error( "invalid key to 'next' 1: " + key );
i = hashSlot( key );
boolean found = false;
for ( Slot slot = hash[i]; slot != null; slot = slot.rest() ) {
@@ -404,7 +409,7 @@ public class LuaTable extends LuaValue implements Metatable {
}
}
if ( !found ) {
error( "invalid key to 'next'" );
error( "invalid key to 'next' 2: " + key );
}
i += 1+array.length;
}
@@ -780,6 +785,7 @@ public class LuaTable extends LuaValue implements Metatable {
* @param comparator {@link LuaValue} to be called to compare elements.
*/
public void sort(LuaValue comparator) {
if (len().tolong() >= (long)Integer.MAX_VALUE) throw new LuaError("array too big: " + len().tolong());
if (m_metatable != null && m_metatable.useWeakValues()) {
dropWeakArrayValues();
}