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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -4,6 +4,8 @@ build | |
| *~ | ||
| *.swp | ||
| bin | ||
| bin-win32 | ||
| bin-linux | ||
| *tmp* | ||
| .libs | ||
| callgrind.out.* | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,37 +1,78 @@ | ||
| /** | ||
| * exceptions | ||
| * Base class for all exceptions that can be thrown | ||
| * | ||
| * @author Amos Wenger (nddrylliog) | ||
| */ | ||
| Exception: class { | ||
|
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| /** Class which threw the exception. May be null */ | ||
| origin: Class | ||
| msg : String | ||
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| init: func ~originMsg (=origin, =msg) {} | ||
| init: func ~noOrigin (=msg) {} | ||
| /** Message associated with this exception. Printed when the exception is thrown. */ | ||
| message : String | ||
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| crash: func { | ||
| fflush(stdout) | ||
| x := 0 | ||
| x = 1 / x | ||
| "%d" format( x) println() | ||
| } | ||
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| getMessage: func -> String { | ||
| //max := const 1024 | ||
| max : const SizeT = 1024 | ||
| buffer := String new (max) | ||
| if(origin) snprintf(buffer, max, "[%s in %s]: %s\n", this as Object class name, origin name, msg) | ||
| else snprintf(buffer, max, "[%s]: %s\n", this as Object class name, msg) | ||
| return buffer | ||
| /** | ||
| * Create an exception | ||
| * | ||
| * @param origin The class throwing this exception | ||
| * @param message A short text explaning why the exception was thrown | ||
| */ | ||
| init: func (=origin, =message) {} | ||
|
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| /** | ||
| * Create an exception | ||
| * | ||
| * @param message A short text explaning why the exception was thrown | ||
| */ | ||
| init: func ~noOrigin (=message) {} | ||
|
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|
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| /** | ||
| * @return the exception's message, nicely formatted | ||
| */ | ||
| format: func -> String { | ||
| if(origin) | ||
| "[%s in %s]: %s" format(class name, origin name, message) | ||
| else | ||
| "[%s]: %s" format(class name, message) | ||
| } | ||
|
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| /** | ||
| * Print this exception, with its origin, if specified, and its message | ||
| */ | ||
| print: func { | ||
| fprintf(stderr, "%s", getMessage()) | ||
| fprintf(stderr, "%s", format()) | ||
| } | ||
|
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| throw: func { | ||
| /** | ||
| * Throw this exception | ||
| */ | ||
| throw: inline final func { | ||
| print() | ||
| crash() | ||
| abort() | ||
| } | ||
|
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| } | ||
|
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| /* ------ C interfacing ------ */ | ||
|
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| include stdlib | ||
|
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| /** stdlib.h - | ||
| * | ||
| * The abort() first unblocks the SIGABRT signal, and then raises that | ||
| * signal for the calling process. This results in the abnormal | ||
| * termination of the process unless the SIGABRT signal is caught | ||
| * and the signal handler does not return (see longjmp(3)). | ||
| * | ||
| * If the abort() function causes process termination, all open streams | ||
| * are closed and flushed. | ||
| * | ||
| * If the SIGABRT signal is ignored, or caught by a handler that returns, | ||
| * the abort() function will still terminate the process. It does this | ||
| * by restoring the default disposition for SIGABRT and then raising | ||
| * the signal for a second time. | ||
| */ | ||
| abort: extern func | ||
|
|
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