37 lines
1.4 KiB
Scheme
37 lines
1.4 KiB
Scheme
; Copyright (c) 1993-1999 by Richard Kelsey and Jonathan Rees. See file COPYING.
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; Stuff moved from segment.scm 6/5/93
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; Some of that stuff moved to state.scm 4/28/95
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; Debug-data records are for communicating information from the
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; compiler to various debugging tools.
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; An environment map has the form
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; #(pc-before pc-after #(name ...) (env-map ...))
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; where the two pc's delimit the region of code that executes in this
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; environment. The names indicate which variables become bound at
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; pc-before, and the list of env-maps is for inferior (deeper)
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; environments.
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; pc-in-parent gives the pc of a make-closure instruction in the code
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; for this template's superior (outer) lambda-expression.
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; Source is in the form of an a-list mapping pc's used in continuations
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; to pairs of the form (i . expression), indicating that the continuation
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; is returning the value of i'th subexpression in the source expression.
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(define-record-type debug-data :debug-data
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(make-debug-data uid name parent pc-in-parent env-maps source)
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debug-data?
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(uid debug-data-uid)
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(name debug-data-name)
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(parent debug-data-parent)
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(pc-in-parent debug-data-pc-in-parent)
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(env-maps debug-data-env-maps set-debug-data-env-maps!)
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(source debug-data-source set-debug-data-source!))
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(define-record-discloser :debug-data
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(lambda (dd)
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(list 'debug-data (debug-data-uid dd) (debug-data-name dd))))
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