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Diffstat (limited to 'src/bigloo/verify.scm')
| -rw-r--r-- | src/bigloo/verify.scm | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/src/bigloo/verify.scm b/src/bigloo/verify.scm new file mode 100644 index 0000000..602a951 --- /dev/null +++ b/src/bigloo/verify.scm @@ -0,0 +1,143 @@ +;*=====================================================================*/ +;* serrano/prgm/project/skribe/src/bigloo/verify.scm */ +;* ------------------------------------------------------------- */ +;* Author : Manuel Serrano */ +;* Creation : Fri Jul 25 09:54:55 2003 */ +;* Last change : Thu Sep 23 19:58:01 2004 (serrano) */ +;* Copyright : 2003-04 Manuel Serrano */ +;* ------------------------------------------------------------- */ +;* The Skribe verification stage */ +;*=====================================================================*/ + +;*---------------------------------------------------------------------*/ +;* The module */ +;*---------------------------------------------------------------------*/ +(module skribe_verify + + (include "debug.sch") + + (import skribe_types + skribe_lib + skribe_engine + skribe_writer + skribe_eval) + + (export (generic verify ::obj ::%engine))) + +;*---------------------------------------------------------------------*/ +;* check-required-options ... */ +;*---------------------------------------------------------------------*/ +(define (check-required-options n::%markup w::%writer e::%engine) + (with-access::%markup n (required-options) + (with-access::%writer w (ident options verified?) + (or verified? + (eq? options 'all) + (begin + (for-each (lambda (o) + (if (not (memq o options)) + (skribe-error (%engine-ident e) + (format "Option unsupported: ~a, supported options: ~a" o options) + n))) + required-options) + (set! verified? #t)))))) + +;*---------------------------------------------------------------------*/ +;* check-options ... */ +;* ------------------------------------------------------------- */ +;* Only keywords are checked, symbols are voluntary left unchecked. */ +;*---------------------------------------------------------------------*/ +(define (check-options eo*::pair-nil m::%markup e::%engine) + (with-debug 6 'check-options + (debug-item "markup=" (%markup-markup m)) + (debug-item "options=" (%markup-options m)) + (debug-item "eo*=" eo*) + (for-each (lambda (o2) + (for-each (lambda (o) + (if (and (keyword? o) + (not (eq? o :&skribe-eval-location)) + (not (memq o eo*))) + (skribe-warning/ast + 3 + m + 'verify + (format "Engine `~a' does not support markup `~a' option `~a' -- ~a" + (%engine-ident e) + (%markup-markup m) + o + (markup-option m o))))) + o2)) + (%markup-options m)))) + +;*---------------------------------------------------------------------*/ +;* verify :: ... */ +;*---------------------------------------------------------------------*/ +(define-generic (verify node e) + (if (pair? node) + (for-each (lambda (n) (verify n e)) node)) + node) + +;*---------------------------------------------------------------------*/ +;* verify ::%processor ... */ +;*---------------------------------------------------------------------*/ +(define-method (verify n::%processor e) + (with-access::%processor n (combinator engine body) + (verify body (processor-get-engine combinator engine e)) + n)) + +;*---------------------------------------------------------------------*/ +;* verify ::%node ... */ +;*---------------------------------------------------------------------*/ +(define-method (verify node::%node e) + (with-access::%node node (body options) + (verify body e) + (for-each (lambda (o) (verify (cadr o) e)) options) + node)) + +;*---------------------------------------------------------------------*/ +;* verify ::%markup ... */ +;*---------------------------------------------------------------------*/ +(define-method (verify node::%markup e) + (with-debug 5 'verify::%markup + (debug-item "node=" (%markup-markup node)) + (debug-item "options=" (%markup-options node)) + (debug-item "e=" (%engine-ident e)) + (call-next-method) + (let ((w (lookup-markup-writer node e))) + (if (%writer? w) + (begin + (check-required-options node w e) + (if (pair? (%writer-options w)) + (check-options (%writer-options w) node e)) + (let ((validate (%writer-validate w))) + (when (procedure? validate) + (unless (validate node e) + (skribe-warning + 1 + node + (format "Node `~a' forbidden here by ~a engine" + (markup-markup node) + (engine-ident e)) + node))))))) + ;; return the node + node)) + +;*---------------------------------------------------------------------*/ +;* verify ::%document ... */ +;*---------------------------------------------------------------------*/ +(define-method (verify node::%document e) + (call-next-method) + ;; verify the engine custom + (for-each (lambda (c) + (let ((i (car c)) + (a (cadr c))) + (set-car! (cdr c) (verify a e)))) + (%engine-customs e)) + ;; return the node + node) + +;*---------------------------------------------------------------------*/ +;* verify ::%handle ... */ +;*---------------------------------------------------------------------*/ +(define-method (verify node::%handle e) + node) + |