[Guile-commits] GNU Guile branch, stable-2.0, updated. v2.0.7-65-g90baf8c

[Ian Price]

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http://git.savannah.gnu.org/cgit/guile.git/commit/?id=90baf8cdfe8ce356ee4720a012e0deb5a2cb5818

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- Log -----------------------------------------------------------------
commit 90baf8cdfe8ce356ee4720a012e0deb5a2cb5818
Author: Ian Price <address@hidden>
Date:   Sat Jan 19 17:05:27 2013 +0000

    Fix argument count for various format string escape sequences.
    
    * module/language/tree-il/analyze.scm (format-string-argument-count):
      Handle ~t and ~k options case-insensitively.
      ~! ~| ~/ ~q and ~Q should not update the min-count or max-count.
      ~^ returns the min-count and 'any
      + - # and ' should not increase the argument count.
    * test-suite/tests/tree-il.test (*): Tests for new parameters.

-----------------------------------------------------------------------

Summary of changes:
 module/language/tree-il/analyze.scm |   13 ++++++++++---
 test-suite/tests/tree-il.test       |   29 +++++++++++++++++++++++++++--
 2 files changed, 37 insertions(+), 5 deletions(-)

diff --git a/module/language/tree-il/analyze.scm 
b/module/language/tree-il/analyze.scm
index 88f81f3..badce9f 100644
--- a/module/language/tree-il/analyze.scm
+++ b/module/language/tree-il/analyze.scm
@@ -1259,11 +1259,11 @@ accurate information is missing from a given `tree-il' 
element."
         (case state
           ((tilde)
            (case (car chars)
-             ((#\~ #\% #\& #\t #\_ #\newline #\( #\))
+             ((#\~ #\% #\& #\t #\T #\_ #\newline #\( #\) #\! #\| #\/ #\q #\Q)
                         (loop (cdr chars) 'literal '()
                               conditions end-group
                               min-count max-count))
-             ((#\0 #\1 #\2 #\3 #\4 #\5 #\6 #\7 #\8 #\9 #\, #\: #\@)
+             ((#\0 #\1 #\2 #\3 #\4 #\5 #\6 #\7 #\8 #\9 #\, #\: #\@ #\+ #\- #\#)
                         (loop (cdr chars)
                               'tilde (cons (car chars) params)
                               conditions end-group
@@ -1330,16 +1330,23 @@ accurate information is missing from a given `tree-il' 
element."
                                      min-count)
                                   (+ (or (previous-number params) 1)
                                      max-count))))
-             ((#\? #\k)
+             ((#\? #\k #\K)
               ;; We don't have enough info to determine the exact number
               ;; of args, but we could determine a lower bound (TODO).
               (values 'any 'any))
+             ((#\^)
+              (values min-count 'any))
              ((#\h #\H)
                         (let ((argc (if (memq #\: params) 2 1)))
                           (loop (cdr chars) 'literal '()
                                 conditions end-group
                                 (+ argc min-count)
                                 (+ argc max-count))))
+             ((#\')
+              (if (null? (cdr chars))
+                  (throw &syntax-error 'unexpected-termination)
+                  (loop (cddr chars) 'tilde (cons (cadr chars) params)
+                        conditions end-group min-count max-count)))
              (else      (loop (cdr chars) 'literal '()
                               conditions end-group
                               (+ 1 min-count) (+ 1 max-count)))))
diff --git a/test-suite/tests/tree-il.test b/test-suite/tests/tree-il.test
index 68dfc32..2217ffc 100644
--- a/test-suite/tests/tree-il.test
+++ b/test-suite/tests/tree-il.test
@@ -1415,11 +1415,11 @@
               (number? (string-contains (car w)
                                         "wrong number of arguments")))))
 
-     (pass-if "~%, ~~, ~&, ~t, ~_, and ~\\n"
+     (pass-if "~%, ~~, ~&, ~t, ~_, ~!, ~|, ~/, ~q and ~\\n"
        (null? (call-with-warnings
                (lambda ()
                  (compile '((@ (ice-9 format) format) some-port
-                            "~&~3_~~ ~\n~12they~%")
+                            "~&~3_~~ ~\n~12they~% ~!~|~/~q")
                           #:opts %opts-w-format
                           #:to 'assembly)))))
 
@@ -1687,6 +1687,31 @@
                           #:opts %opts-w-format
                           #:to 'assembly)))))
 
+     (pass-if "~^"
+       (null? (call-with-warnings
+               (lambda ()
+                 (compile '((@ (ice-9 format) format) #f "~a ~^ ~a" 0 1)
+                          #:opts %opts-w-format
+                          #:to 'assembly)))))
+
+     (pass-if "~^, too few args"
+       (let ((w (call-with-warnings
+                 (lambda ()
+                   (compile '((@ (ice-9 format) format) #f "~a ~^ ~a")
+                            #:opts %opts-w-format
+                            #:to 'assembly)))))
+         (and (= (length w) 1)
+              (number? (string-contains (car w)
+                                        "expected at least 1, got 0")))))
+
+     (pass-if "parameters: +,-,#, and '"
+       (null? (call-with-warnings
+               (lambda ()
+                 (compile '((@ (ice-9 format) format) some-port
+                            "~#~ ~,,-2f ~,,+2f ~'A~" 1234 1234)
+                          #:opts %opts-w-format
+                          #:to 'assembly)))))
+
      (pass-if "complex 1"
        (let ((w (call-with-warnings
                  (lambda ()


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