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-rw-r--r--MLKArray.m13
-rw-r--r--MLKCharacterStream.m11
-rw-r--r--MLKDynamicContext.m25
-rw-r--r--MLKEnvironment.m19
-rw-r--r--MLKFileHandleStream.m4
-rw-r--r--MLKInterpreter.m70
-rw-r--r--MLKListenerController.m10
-rw-r--r--MLKPackage.m9
-rw-r--r--MLKReadEvalPrintLoop.m15
-rw-r--r--MLKRoot.m10
-rw-r--r--MLKStreamStream.m4
-rw-r--r--MLKSymbol.m11
12 files changed, 70 insertions, 131 deletions
diff --git a/MLKArray.m b/MLKArray.m
index 11c7889..fb7953a 100644
--- a/MLKArray.m
+++ b/MLKArray.m
@@ -23,6 +23,7 @@
#import <Foundation/NSArray.h>
#import <Foundation/NSEnumerator.h>
+#import <Foundation/NSException.h>
#include <stdio.h>
#include <search.h>
@@ -241,19 +242,17 @@ static int equalp (const void *x, const void *y)
-(id) objectAtIndex:(NSUInteger)index
{
- NS_DURING
+ @try
{
- NS_VALUERETURN (nullify([self idAtIndex:index]), id);
+ return nullify ([self idAtIndex:index]);
}
- NS_HANDLER
+ @catch (NSException *e)
{
- if ([[localException name] isEqualToString:@"NSRangeException"])
+ if ([[e name] isEqualToString:NSRangeException])
return nil;
else
- [localException raise];
- return nil;
+ @throw;
}
- NS_ENDHANDLER;
}
-(void) insertObject:(id)anObject atIndex:(NSUInteger)index
diff --git a/MLKCharacterStream.m b/MLKCharacterStream.m
index d64ed3c..a152060 100644
--- a/MLKCharacterStream.m
+++ b/MLKCharacterStream.m
@@ -17,6 +17,7 @@
*/
#import "MLKCharacterStream.h"
+#import "MLKStreamError.h"
#import "runtime-compatibility.h"
#import "util.h"
@@ -73,18 +74,14 @@
{
BOOL eofp = NO;
- NS_DURING
+ @try
{
[self peekChar];
}
- NS_HANDLER
+ @catch (MLKStreamError *e)
{
- if ([[localException name] isEqual:@"MLKStreamError"])
- eofp = YES;
- else
- [localException raise];
+ eofp = YES;
}
- NS_ENDHANDLER;
return eofp;
}
diff --git a/MLKDynamicContext.m b/MLKDynamicContext.m
index 70979cf..5029a95 100644
--- a/MLKDynamicContext.m
+++ b/MLKDynamicContext.m
@@ -43,6 +43,7 @@
#import "MLKSharpsignColonReader.h"
#import "MLKSymbol.h"
#import "MLKInteger.h"
+#import "MLKUnboundVariableError.h"
#import "runtime-compatibility.h"
#import "util.h"
@@ -359,35 +360,25 @@ static MLKDynamicContext *global_context;
-(id) findRestart:(MLKSymbol *)symbol
{
- NS_DURING
+ @try
{
- NS_VALUERETURN ([_restarts valueForSymbol:symbol], id);
+ return [_restarts valueForSymbol:symbol];
}
- NS_HANDLER
- {
- if (![[localException name] isEqualToString: @"MLKUnboundVariableError"])
- [localException raise];
- }
- NS_ENDHANDLER;
+ @catch (MLKUnboundVariableError *e) { }
return nil;
}
-(id) findHandler:(MLKSymbol *)symbol
{
- NS_DURING
+ @try
{
if (_activeHandlerEnvironment)
- NS_VALUERETURN ([[_activeHandlerEnvironment parent] valueForSymbol:symbol], id);
+ return [[_activeHandlerEnvironment parent] valueForSymbol:symbol];
else
- NS_VALUERETURN ([_conditionHandlers valueForSymbol:symbol], id);
- }
- NS_HANDLER
- {
- if (![[localException name] isEqualToString: @"MLKUnboundVariableError"])
- [localException raise];
+ return [_conditionHandlers valueForSymbol:symbol];
}
- NS_ENDHANDLER;
+ @catch (MLKUnboundVariableError *e) { }
return nil;
}
diff --git a/MLKEnvironment.m b/MLKEnvironment.m
index d057a8c..13abce4 100644
--- a/MLKEnvironment.m
+++ b/MLKEnvironment.m
@@ -23,6 +23,7 @@
#import <Foundation/NSSet.h>
#import "MLKEnvironment.h"
+#import "MLKUnboundVariableError.h"
#import "NSObject-MLKPrinting.h"
#import "runtime-compatibility.h"
#import "util.h"
@@ -79,9 +80,9 @@
MLKBinding *binding;
if (!(binding = [self bindingForSymbol:symbol]))
- [NSException raise:@"MLKUnboundVariableError"
- format:@"The variable %@ is unbound.",
- MLKPrintToString(symbol)];
+ @throw LAUTORELEASE ([[MLKUnboundVariableError alloc]
+ initWithSymbol:symbol
+ inEnvironment:self]);
[binding setValue:value];
}
@@ -91,9 +92,9 @@
MLKBinding *binding;
if (!(binding = [self bindingForSymbol:symbol]))
- [NSException raise:@"MLKUnboundVariableError"
- format:@"The variable %@ is unbound.",
- MLKPrintToString(symbol)];
+ @throw LAUTORELEASE ([[MLKUnboundVariableError alloc]
+ initWithSymbol:symbol
+ inEnvironment:self]);
return [binding value];
}
@@ -157,9 +158,9 @@
-(void) setBinding:(MLKBinding *)binding forSymbol:(MLKSymbol *)symbol
{
if (![self bindingForSymbol:symbol])
- [NSException raise:@"MLKUnboundVariableError"
- format:@"The variable %@ is unbound.",
- MLKPrintToString(symbol)];
+ @throw LAUTORELEASE ([[MLKUnboundVariableError alloc]
+ initWithSymbol:symbol
+ inEnvironment:self]);
[self addBinding:binding forSymbol:symbol];
}
diff --git a/MLKFileHandleStream.m b/MLKFileHandleStream.m
index 456cddd..7c7065e 100644
--- a/MLKFileHandleStream.m
+++ b/MLKFileHandleStream.m
@@ -17,6 +17,7 @@
*/
#import "MLKFileHandleStream.h"
+#import "MLKStreamError.h"
#import "runtime-compatibility.h"
#import "util.h"
@@ -52,8 +53,7 @@
if ([data length] == 0)
{
- [NSException raise:@"MLKStreamError"
- format:@"Tried to read beyond end of file."];
+ @throw LAUTORELEASE ([[MLKStreamError alloc] initWithStream:self]);
}
return *(uint8_t*)[data bytes];
diff --git a/MLKInterpreter.m b/MLKInterpreter.m
index 81415d1..027e2f7 100644
--- a/MLKInterpreter.m
+++ b/MLKInterpreter.m
@@ -34,6 +34,7 @@
#import "MLKReader.h"
#import "MLKRoot.h"
#import "MLKSymbol.h"
+#import "MLKThrowException.h"
#import "NSObject-MLKPrinting.h"
#import "globals.h"
#import "runtime-compatibility.h"
@@ -198,16 +199,15 @@ PRIMARY (NSArray *array)
//if (trace)
NSLog (@"; EVAL: %@", MLKPrintToString(_form));
#elif 0
- NS_DURING
+ @catch
{
values = [self reallyInterpretWithEnvironment:env];
}
- NS_HANDLER
+ @catch (...)
{
NSLog (@"; BROKEN EVAL: %@", MLKPrintToString(_form));
- [localException raise];
+ @throw;
}
- NS_ENDHANDLER;
#else
values = [self reallyInterpretWithEnvironment:env];
#endif
@@ -258,7 +258,7 @@ PRIMARY (NSArray *array)
catchTag = PRIMARY ([_tagForm interpretWithEnvironment:env]);
- NS_DURING
+ @try
{
newctx = [[MLKDynamicContext alloc] initWithParent:[MLKDynamicContext currentContext]
variables:nil
@@ -270,28 +270,18 @@ PRIMARY (NSArray *array)
values = [self interpretBodyWithEnvironment:env];
- NS_VALUERETURN (values, NSArray *);
+ return values;
}
- NS_HANDLER
+ @catch (MLKThrowException *throw)
{
[MLKDynamicContext popContext];
LRELEASE (newctx);
-
- if ([[localException name] isEqualToString:@"MLKThrow"])
- {
- id thrownTag = [[localException userInfo]
- objectForKey:@"THROWN TAG"];
-
- if (thrownTag == catchTag)
- return [[localException userInfo]
- objectForKey:@"THROWN OBJECTS"];
- else
- [localException raise];
- }
+
+ if ([throw catchTag] == catchTag)
+ return [throw thrownValues];
else
- [localException raise];
+ @throw;
}
- NS_ENDHANDLER;
[MLKDynamicContext popContext];
LRELEASE (newctx);
@@ -447,20 +437,15 @@ PRIMARY (NSArray *array)
[dynctx pushContext];
- NS_DURING
+ @try
{
values = [self interpretBodyWithEnvironment:newenv];
}
- NS_HANDLER
+ @finally
{
[MLKDynamicContext popContext];
LRELEASE (dynctx);
- [localException raise];
}
- NS_ENDHANDLER;
-
- [MLKDynamicContext popContext];
- LRELEASE (dynctx);
return values;
}
@@ -556,20 +541,15 @@ PRIMARY (NSArray *array)
[dynctx pushContext];
- NS_DURING
+ @try
{
result = [self interpretBodyWithEnvironment:env];
}
- NS_HANDLER
+ @finally
{
[MLKDynamicContext popContext];
LRELEASE (dynctx);
- [localException raise];
}
- NS_ENDHANDLER;
-
- [MLKDynamicContext popContext];
- LRELEASE (dynctx);
return result;
}
@@ -594,17 +574,9 @@ PRIMARY (NSArray *array)
catchTag = PRIMARY([_tagForm interpretWithEnvironment:env]);
values = [_valueForm interpretWithEnvironment:env];
- userInfo = [NSDictionary dictionaryWithObjectsAndKeys:
- catchTag, @"THROWN TAG",
- values, @"THROWN OBJECTS", nil];
-
if ([[MLKDynamicContext currentContext] catchTagIsEstablished:denullify (catchTag)])
- [[NSException exceptionWithName:@"MLKThrow"
- reason:[NSString stringWithFormat:
- @"THROW: tag %@, values %@.",
- MLKPrintToString(catchTag),
- MLKPrintToString(values)]
- userInfo:userInfo] raise];
+ @throw LAUTORELEASE ([[MLKThrowException alloc] initWithCatchTag:catchTag
+ values:values]);
else
// FIXME: This should really be a condition rather than
// an exception. See CLHS THROW.
@@ -625,18 +597,14 @@ PRIMARY (NSArray *array)
{
NSArray *results;
- NS_DURING
+ @try
{
results = [_protectedForm interpretWithEnvironment:env];
}
- NS_HANDLER
+ @finally
{
[self interpretBodyWithEnvironment:env];
- [localException raise];
}
- NS_ENDHANDLER;
-
- [self interpretBodyWithEnvironment:env];
return results;
}
diff --git a/MLKListenerController.m b/MLKListenerController.m
index 2998ab2..9e8ddee 100644
--- a/MLKListenerController.m
+++ b/MLKListenerController.m
@@ -51,11 +51,11 @@
[submitButton setEnabled:NO];
- NS_DURING
+ @try
{
object = [MLKReader readFromString:input];
}
- NS_HANDLER
+ @catch (NSException *e)
{
// A parsing error. Beep and let the user try again.
// XXX Maybe the status line could be made to provide more information on the error.
@@ -64,7 +64,6 @@
[inputField selectText:self];
return;
}
- NS_ENDHANDLER;
[inputField setStringValue:@""];
[inputField selectText:self];
@@ -119,7 +118,7 @@
object = denullify(object);
- NS_DURING
+ @try
{
int i;
NSArray *results;
@@ -167,7 +166,7 @@
waitUntilDone:waitp];
}
}
- NS_HANDLER
+ @catch (NSException *localException)
{
NSString *bare_msg = [NSString stringWithFormat:
@"Caught an unhandled exception.\nName: %s\nReason: %s\n",
@@ -187,7 +186,6 @@
withObject:response
waitUntilDone:waitp];
}
- NS_ENDHANDLER;
[MLKDynamicContext popContext];
LDESTROY (newctx);
diff --git a/MLKPackage.m b/MLKPackage.m
index 193c83a..bc4e0f4 100644
--- a/MLKPackage.m
+++ b/MLKPackage.m
@@ -17,6 +17,7 @@
*/
#import "MLKDynamicContext.h"
+#import "MLKNoSuchSymbolError.h"
#import "MLKPackage.h"
#import "MLKSymbol.h"
#import "NSObject-MLKPrinting.h"
@@ -457,12 +458,8 @@ static NSMutableDictionary *packages = nil;
if ((symbol = [_accessible_symbols objectForKey:symbolName]))
return (symbol == (id)[NSNull null] ? nil : (id)symbol);
else
- [NSException raise:@"MLKNoSuchSymbolError"
- format:@"The package %@ does not contain a symbol named %@.",
- self,
- symbolName];
-
- return nil;
+ @throw LAUTORELEASE ([[MLKNoSuchSymbolError alloc] initWithPackage:self
+ symbolName:symbolName]);
}
-(NSString *) name
diff --git a/MLKReadEvalPrintLoop.m b/MLKReadEvalPrintLoop.m
index 0e213b0..e3700ea 100644
--- a/MLKReadEvalPrintLoop.m
+++ b/MLKReadEvalPrintLoop.m
@@ -51,7 +51,7 @@ static char **_argv;
static const char *prompt (EditLine *e) {
- NS_DURING
+ @try
{
MLKPackage *package = [[MLKDynamicContext currentContext]
valueForSymbol:[[MLKPackage
@@ -60,14 +60,13 @@ static const char *prompt (EditLine *e) {
return [[NSString stringWithFormat:@"%@> ", [package name]] UTF8String];
}
- NS_HANDLER
+ @catch (NSException *localException)
{
printf ("Caught an unhandled exception.\nName: %s\nReason: %s\n",
[[localException name] UTF8String],
[[localException reason] UTF8String]);
return "> ";
}
- NS_ENDHANDLER
}
@@ -102,7 +101,7 @@ static const char *prompt (EditLine *e) {
printf ("Loading init.lisp.\n");
#if 1
- NS_DURING
+ @try
{
#endif
input = [NSInputStream inputStreamWithFileAtPath:@"init.lisp"];
@@ -117,13 +116,12 @@ static const char *prompt (EditLine *e) {
[input close];
#if 1
}
- NS_HANDLER
+ @catch (NSException *localException)
{
printf ("Caught an unhandled exception.\nName: %s\nReason: %s\n",
[[localException name] UTF8String],
[[localException reason] UTF8String]);
}
- NS_ENDHANDLER;
#endif
printf ("Done.\n\n");
@@ -159,7 +157,7 @@ static const char *prompt (EditLine *e) {
break;
#if 1
- NS_DURING
+ @try
#else
#ifdef GNUSTEP
GSDebugAllocationActive (YES);
@@ -185,13 +183,12 @@ static const char *prompt (EditLine *e) {
}
}
#if 1
- NS_HANDLER
+ @catch (NSException *localException)
{
printf ("Caught an unhandled exception.\nName: %s\nReason: %s\n",
[[localException name] UTF8String],
[[localException reason] UTF8String]);
}
- NS_ENDHANDLER;
#endif
LRELEASE (pool);
diff --git a/MLKRoot.m b/MLKRoot.m
index 3206846..2a25b25 100644
--- a/MLKRoot.m
+++ b/MLKRoot.m
@@ -141,22 +141,16 @@ load (id _data, NSString *fileName, id _marker)
forSymbol:[sys intern:@"*LOAD-LEVEL*"]];
[ctx pushContext];
- NS_DURING
+ @try
{
success = [MLKInterpreter load:stream verbose:YES print:YES];
}
- NS_HANDLER
+ @finally
{
[MLKDynamicContext popContext];
LRELEASE (ctx);
[input close];
- [localException raise];
}
- NS_ENDHANDLER;
-
- [MLKDynamicContext popContext];
- LRELEASE (ctx);
- [input close];
[ostream writeString:@"; \\"];
for (i = 0; i < 68 - 2*level; i++)
diff --git a/MLKStreamStream.m b/MLKStreamStream.m
index 7e19932..e6afcb7 100644
--- a/MLKStreamStream.m
+++ b/MLKStreamStream.m
@@ -16,6 +16,7 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#import "MLKStreamError.h"
#import "MLKStreamStream.h"
#import "runtime-compatibility.h"
#import "util.h"
@@ -69,8 +70,7 @@
if (bytes_read < 1)
{
- [NSException raise:@"MLKStreamError"
- format:@"Tried to read beyond end of file."];
+ @throw LAUTORELEASE ([[MLKStreamError alloc] initWithStream:self]);
}
return octet;
diff --git a/MLKSymbol.m b/MLKSymbol.m
index 46ccd32..b6bc55f 100644
--- a/MLKSymbol.m
+++ b/MLKSymbol.m
@@ -17,6 +17,7 @@
*/
#import "MLKDynamicContext.h"
+#import "MLKNoSuchSymbolError.h"
#import "MLKPackage.h"
#import "MLKReader.h"
#import "MLKReadtable.h"
@@ -120,21 +121,17 @@
else
printName = name;
- NS_DURING
+ @try
{
if ([currentPackage findSymbol:name] == self)
accessible = YES;
else
accessible = NO;
}
- NS_HANDLER
+ @catch (MLKNoSuchSymbolError *e)
{
- if ([[localException name] isEqualToString:@"MLKNoSuchSymbolError"])
- accessible = NO;
- else
- [localException raise];
+ accessible = NO;
}
- NS_ENDHANDLER;
if (homePackage == [MLKPackage findPackage:@"KEYWORD"])
packagePrefix = @":";
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-21 14:44:55 +0000