338 lines
8.9 KiB
Factor
338 lines
8.9 KiB
Factor
! Copyright (C) 2004, 2009 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: slots arrays definitions generic hashtables summary io kernel
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math namespaces make prettyprint prettyprint.config sequences assocs
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sequences.private strings io.styles io.pathnames vectors words system
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splitting math.parser classes.mixin classes.tuple continuations
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continuations.private combinators generic.math classes.builtin classes
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compiler.units generic.standard generic.single vocabs init
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kernel.private io.encodings accessors math.order destructors
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source-files parser classes.tuple.parser effects.parser lexer
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generic.parser strings.parser vocabs.loader vocabs.parser see
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source-files.errors ;
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IN: debugger
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GENERIC: error. ( error -- )
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GENERIC: error-help ( error -- topic )
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M: object error. . ;
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M: object error-help drop f ;
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M: tuple error-help class ;
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M: string error. print ;
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: :s ( -- )
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error-continuation get data>> stack. ;
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: :r ( -- )
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error-continuation get retain>> stack. ;
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: :c ( -- )
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error-continuation get call>> callstack. ;
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: :get ( variable -- value )
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error-continuation get name>> assoc-stack ;
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: :res ( n -- * )
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1 - restarts get-global nth f restarts set-global restart ;
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: :1 ( -- * ) 1 :res ;
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: :2 ( -- * ) 2 :res ;
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: :3 ( -- * ) 3 :res ;
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: restart. ( restart n -- )
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[
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1 + dup 3 <= [ ":" % # " " % ] [ # " :res " % ] if
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name>> %
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] "" make print ;
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: restarts. ( -- )
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restarts get [
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nl
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"The following restarts are available:" print
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nl
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[ restart. ] each-index
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] unless-empty ;
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: print-error ( error -- )
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[ error. flush ] curry
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[ global [ "Error in print-error!" print drop ] bind ]
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recover ;
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: :error ( -- )
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error get print-error ;
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: print-error-and-restarts ( error -- )
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print-error
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restarts.
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nl
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"Type :help for debugging help." print flush ;
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: try ( quot -- )
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[ print-error-and-restarts ] recover ; inline
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: expired-error. ( obj -- )
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"Object did not survive image save/load: " write third . ;
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: io-error. ( error -- )
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"I/O error #" write third . ;
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: type-check-error. ( obj -- )
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"Type check error" print
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"Object: " write dup fourth short.
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"Object type: " write dup fourth class .
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"Expected type: " write third type>class . ;
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: divide-by-zero-error. ( obj -- )
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"Division by zero" print drop ;
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HOOK: signal-error. os ( obj -- )
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: array-size-error. ( obj -- )
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"Invalid array size: " write dup third .
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"Maximum: " write fourth 1 - . ;
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: c-string-error. ( obj -- )
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"Cannot convert to C string: " write third . ;
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: ffi-error. ( obj -- )
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"FFI error" print drop ;
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: heap-scan-error. ( obj -- )
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"Cannot do next-object outside begin/end-scan" print drop ;
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: undefined-symbol-error. ( obj -- )
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"The image refers to a library or symbol that was not found at load time"
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print drop ;
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: stack-underflow. ( obj name -- )
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write " stack underflow" print drop ;
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: stack-overflow. ( obj name -- )
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write " stack overflow" print drop ;
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: datastack-underflow. ( obj -- ) "Data" stack-underflow. ;
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: datastack-overflow. ( obj -- ) "Data" stack-overflow. ;
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: retainstack-underflow. ( obj -- ) "Retain" stack-underflow. ;
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: retainstack-overflow. ( obj -- ) "Retain" stack-overflow. ;
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: memory-error. ( error -- )
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"Memory protection fault at address " write third .h ;
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: primitive-error. ( error -- )
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"Unimplemented primitive" print drop ;
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: fp-trap-error. ( error -- )
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"Floating point trap" print drop ;
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PREDICATE: vm-error < array
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{
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{ [ dup empty? ] [ drop f ] }
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{ [ dup first "kernel-error" = not ] [ drop f ] }
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[ second 0 16 between? ]
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} cond ;
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: vm-errors ( error -- n errors )
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second {
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{ 0 [ expired-error. ] }
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{ 1 [ io-error. ] }
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{ 2 [ primitive-error. ] }
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{ 3 [ type-check-error. ] }
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{ 4 [ divide-by-zero-error. ] }
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{ 5 [ signal-error. ] }
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{ 6 [ array-size-error. ] }
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{ 7 [ c-string-error. ] }
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{ 8 [ ffi-error. ] }
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{ 9 [ heap-scan-error. ] }
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{ 10 [ undefined-symbol-error. ] }
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{ 11 [ datastack-underflow. ] }
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{ 12 [ datastack-overflow. ] }
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{ 13 [ retainstack-underflow. ] }
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{ 14 [ retainstack-overflow. ] }
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{ 15 [ memory-error. ] }
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{ 16 [ fp-trap-error. ] }
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} ; inline
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M: vm-error summary drop "VM error" ;
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M: vm-error error. dup vm-errors case ;
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M: vm-error error-help vm-errors at first ;
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M: no-method summary
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drop "No suitable method" ;
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M: no-method error.
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"Generic word " write
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dup generic>> pprint
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" does not define a method for the " write
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dup object>> class pprint
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" class." print
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"Dispatching on object: " write object>> short. ;
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M: bad-slot-value summary drop "Bad store to specialized slot" ;
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M: bad-slot-name summary drop "Bad slot name in object literal" ;
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M: no-math-method summary
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drop "No suitable arithmetic method" ;
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M: no-next-method summary
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drop "Executing call-next-method from least-specific method" ;
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M: inconsistent-next-method summary
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drop "Executing call-next-method with inconsistent parameters" ;
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M: check-method summary
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drop "Invalid parameters for create-method" ;
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M: not-a-tuple summary
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drop "Not a tuple" ;
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M: bad-superclass summary
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drop "Tuple classes can only inherit from other tuple classes" ;
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M: no-initial-value summary
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drop "Initial value must be provided for slots specialized to this class" ;
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M: bad-initial-value summary
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drop "Incompatible initial value" ;
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M: no-cond summary
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drop "Fall-through in cond" ;
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M: no-case summary
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drop "Fall-through in case" ;
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M: slice-error summary
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drop "Cannot create slice" ;
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M: bounds-error summary drop "Sequence index out of bounds" ;
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M: condition error. error>> error. ;
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M: condition summary error>> summary ;
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M: condition error-help error>> error-help ;
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M: assert summary drop "Assertion failed" ;
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M: assert-sequence summary drop "Assertion failed" ;
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M: assert-sequence error.
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standard-table-style [
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[ "=== Expected:" print expected>> stack. ]
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[ "=== Got:" print got>> stack. ] bi
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] tabular-output ;
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M: immutable summary drop "Sequence is immutable" ;
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M: redefine-error error.
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"Re-definition of " write
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def>> . ;
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M: undefined summary
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drop "Calling a deferred word before it has been defined" ;
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M: no-compilation-unit error.
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"Attempting to define " write
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definition>> pprint
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" outside of a compilation unit" print ;
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M: no-vocab summary
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drop "Vocabulary does not exist" ;
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M: encode-error summary drop "Character encoding error" ;
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M: decode-error summary drop "Character decoding error" ;
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M: bad-create summary drop "Bad parameters to create" ;
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M: attempt-all-error summary drop "Nothing to attempt" ;
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M: already-disposed summary drop "Attempting to operate on disposed object" ;
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M: no-current-vocab summary
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drop "Not in a vocabulary; IN: form required" ;
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M: no-word-error summary
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name>>
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"No word named ``"
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"'' found in current vocabulary search path" surround ;
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M: no-word-error error. summary print ;
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M: no-word-in-vocab summary
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[ vocab>> ] [ word>> ] bi
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[ "No word named ``" % % "'' found in ``" % % "'' vocabulary" % ] "" make ;
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M: no-word-in-vocab error. summary print ;
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M: ambiguous-use-error summary
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words>> first name>>
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"More than one vocabulary defines a word named ``" "''" surround ;
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M: ambiguous-use-error error. summary print ;
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M: staging-violation summary
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drop
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"A parsing word cannot be used in the same file it is defined in." ;
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M: bad-number summary
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drop "Bad number literal" ;
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M: duplicate-slot-names summary
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drop "Duplicate slot names" ;
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M: invalid-slot-name summary
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drop "Invalid slot name" ;
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M: not-in-a-method-error summary
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drop "call-next-method can only be called in a method definition" ;
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GENERIC: expected>string ( obj -- str )
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M: f expected>string drop "end of input" ;
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M: word expected>string name>> ;
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M: string expected>string ;
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M: unexpected error.
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"Expected " write
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dup want>> expected>string write
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" but got " write
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got>> expected>string print ;
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M: lexer-error error.
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[ lexer-dump ] [ error>> error. ] bi ;
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M: lexer-error summary
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error>> summary ;
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M: lexer-error compute-restarts
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error>> compute-restarts ;
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M: lexer-error error-help
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error>> error-help ;
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M: bad-effect summary
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drop "Bad stack effect declaration" ;
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M: bad-escape error.
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"Bad escape code: \\" write
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char>> 1string print ;
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M: bad-literal-tuple summary drop "Bad literal tuple" ;
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M: check-mixin-class summary drop "Not a mixin class" ;
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M: not-found-in-roots summary drop "Cannot resolve vocab: path" ;
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M: wrong-values summary drop "Quotation called with wrong stack effect" ;
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{
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{ [ os windows? ] [ "debugger.windows" require ] }
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{ [ os unix? ] [ "debugger.unix" require ] }
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} cond
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