summaryrefslogtreecommitdiff
path: root/lib/debug.rb
diff options
context:
space:
mode:
authormatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2000-05-01 09:42:38 +0000
committermatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2000-05-01 09:42:38 +0000
commitfedf48986da718580062d081dda38c4ee182c254 (patch)
tree65e06d76c544a8d80296d686bf88ec3af41fdc50 /lib/debug.rb
parentacbb1c943457d3b8802f099ee0e34331bc78bd38 (diff)
2000-05-01
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@678 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/debug.rb')
-rw-r--r--lib/debug.rb314
1 files changed, 179 insertions, 135 deletions
diff --git a/lib/debug.rb b/lib/debug.rb
index b9a1d5f..8af0aab 100644
--- a/lib/debug.rb
+++ b/lib/debug.rb
@@ -1,3 +1,6 @@
+# Copyright (C) 2000 Network Applied Communication Laboratory, Inc.
+# Copyright (C) 2000 Information-technology Promotion Agancy, Japan
+
if $SAFE > 0
STDERR.print "-r debug.rb is not available in safe mode\n"
exit 1
@@ -190,159 +193,158 @@ class DEBUGGER__
def debug_command(file, line, id, binding)
MUTEX.lock
- DEBUGGER__.set_last_thread(Thread.current)
- frame_pos = 0
- binding_file = file
- binding_line = line
- previous_line = nil
- if (ENV['EMACS'] == 't')
- stdout.printf "\032\032%s:%d:\n", binding_file, binding_line
- else
- stdout.printf "%s:%d:%s", binding_file, binding_line,
- line_at(binding_file, binding_line)
- end
- @frames[0] = [binding, file, line, id]
- display_expressions(binding)
- while input = readline("(rdb:%d) "%thnum(), true)
- catch (:debug_error) do
- if input == ""
- input = DEBUG_LAST_CMD[0]
- stdout.print input, "\n"
+ DEBUGGER__.set_last_thread(Thread.current)
+ frame_pos = 0
+ binding_file = file
+ binding_line = line
+ previous_line = nil
+ if (ENV['EMACS'] == 't')
+ stdout.printf "\032\032%s:%d:\n", binding_file, binding_line
+ else
+ stdout.printf "%s:%d:%s", binding_file, binding_line,
+ line_at(binding_file, binding_line)
+ end
+ @frames[0] = [binding, file, line, id]
+ display_expressions(binding)
+ while input = readline("(rdb:%d) "%thnum(), true)
+ catch (:debug_error) do
+ if input == ""
+ input = DEBUG_LAST_CMD[0]
+ stdout.print input, "\n"
+ else
+ DEBUG_LAST_CMD[0] = input
+ end
+
+ case input
+ when /^\s*b(?:reak)?\s+((?:.*?+:)?.+)$/
+ pos = $1
+ if pos.index(":")
+ file, pos = pos.split(":")
+ end
+ file = File.basename(file)
+ if pos =~ /^\d+$/
+ pname = pos
+ pos = pos.to_i
else
- DEBUG_LAST_CMD[0] = input
+ pname = pos = pos.intern.id2name
end
-
- case input
- when /^\s*b(?:reak)?\s+((?:.*?+:)?.+)$/
- pos = $1
- if pos.index(":")
- file, pos = pos.split(":")
- end
- file = File.basename(file)
- if pos =~ /^\d+$/
- pname = pos
- pos = pos.to_i
- else
- pname = pos = pos.intern.id2name
- end
- break_points.push [true, 0, file, pos]
- stdout.printf "Set breakpoint %d at %s:%s\n", break_points.size, file,
- pname
-
- when /^\s*wat(?:ch)?\s+(.+)$/
- exp = $1
- break_points.push [true, 1, exp]
- stdout.printf "Set watchpoint %d\n", break_points.size, exp
-
- when /^\s*b(?:reak)?$/
- if break_points.find{|b| b[1] == 0}
- n = 1
- stdout.print "breakpoints:\n"
- for b in break_points
- if b[0] and b[1] == 0
- stdout.printf " %d %s:%s\n", n, b[2], b[3]
- end
- n += 1
+ break_points.push [true, 0, file, pos]
+ stdout.printf "Set breakpoint %d at %s:%s\n", break_points.size, file, pname
+
+ when /^\s*wat(?:ch)?\s+(.+)$/
+ exp = $1
+ break_points.push [true, 1, exp]
+ stdout.printf "Set watchpoint %d\n", break_points.size, exp
+
+ when /^\s*b(?:reak)?$/
+ if break_points.find{|b| b[1] == 0}
+ n = 1
+ stdout.print "breakpoints:\n"
+ for b in break_points
+ if b[0] and b[1] == 0
+ stdout.printf " %d %s:%s\n", n, b[2], b[3]
end
+ n += 1
end
- if break_points.find{|b| b[1] == 1}
- n = 1
- stdout.print "\n"
- stdout.print "watchpoints:\n"
- for b in break_points
- if b[0] and b[1] == 1
- stdout.printf " %d %s\n", n, b[2]
- end
- n += 1
+ end
+ if break_points.find{|b| b[1] == 1}
+ n = 1
+ stdout.print "\n"
+ stdout.print "watchpoints:\n"
+ for b in break_points
+ if b[0] and b[1] == 1
+ stdout.printf " %d %s\n", n, b[2]
end
+ n += 1
end
- if break_points.size == 0
- stdout.print "no breakpoints\n"
- else
- stdout.print "\n"
- end
+ end
+ if break_points.size == 0
+ stdout.print "no breakpoints\n"
+ else
+ stdout.print "\n"
+ end
- when /^\s*del(?:ete)?(?:\s+(\d+))?$/
- pos = $1
- unless pos
- input = readline("clear all breakpoints? (y/n) ", false)
- if input == "y"
- for b in break_points
- b[0] = false
- end
+ when /^\s*del(?:ete)?(?:\s+(\d+))?$/
+ pos = $1
+ unless pos
+ input = readline("clear all breakpoints? (y/n) ", false)
+ if input == "y"
+ for b in break_points
+ b[0] = false
end
+ end
+ else
+ pos = pos.to_i
+ if break_points[pos-1]
+ break_points[pos-1][0] = false
else
- pos = pos.to_i
- if break_points[pos-1]
- break_points[pos-1][0] = false
- else
- stdout.printf "Breakpoint %d is not defined\n", pos
- end
+ stdout.printf "Breakpoint %d is not defined\n", pos
end
+ end
- when /^\s*disp(?:lay)?\s+(.+)$/
- exp = $1
- display.push.push [true, exp]
- stdout.printf " %d: %s = %s\n", display.size, exp,
- eval(exp, binding) rescue "--"
-
- when /^\s*disp(?:lay)?$/
- display_expressions(binding)
-
- when /^\s*undisp(?:lay)?(?:\s+(\d+))?$/
- pos = $1
- unless pos
- input = readline("clear all expressions? (y/n) ", false)
- if input == "y"
- for d in display
- d[0] = false
- end
- end
- else
- pos = pos.to_i
- if display[pos-1]
- display[pos-1][0] = false
- else
- stdout.printf "display expression %d is not defined\n", pos
+ when /^\s*disp(?:lay)?\s+(.+)$/
+ exp = $1
+ display.push.push [true, exp]
+ stdout.printf " %d: %s = %s\n", display.size, exp,
+ eval(exp, binding) rescue "--"
+
+ when /^\s*disp(?:lay)?$/
+ display_expressions(binding)
+
+ when /^\s*undisp(?:lay)?(?:\s+(\d+))?$/
+ pos = $1
+ unless pos
+ input = readline("clear all expressions? (y/n) ", false)
+ if input == "y"
+ for d in display
+ d[0] = false
end
end
-
- when /^\s*c(?:ont)?$/
- MUTEX.unlock
- return
-
- when /^\s*s(?:tep)?(?:\s+(\d+))?$/
- if $1
- lev = $1.to_i
+ else
+ pos = pos.to_i
+ if display[pos-1]
+ display[pos-1][0] = false
else
- lev = 1
+ stdout.printf "display expression %d is not defined\n", pos
end
- @stop_next = lev
- return
+ end
- when /^\s*n(?:ext)?(?:\s+(\d+))?$/
- if $1
- lev = $1.to_i
- else
- lev = 1
- end
- @stop_next = lev
- @no_step = @frames.size - frame_pos
- return
+ when /^\s*c(?:ont)?$/
+ MUTEX.unlock
+ return
- when /^\s*w(?:here)?$/, /^\s*f(?:rame)?$/
- display_frames(frame_pos)
+ when /^\s*s(?:tep)?(?:\s+(\d+))?$/
+ if $1
+ lev = $1.to_i
+ else
+ lev = 1
+ end
+ @stop_next = lev
+ return
- when /^\s*l(?:ist)?(?:\s+(.+))?$/
- if not $1
- b = previous_line ? previous_line + 10 : binding_line - 5
- e = b + 9
- elsif $1 == '-'
- b = previous_line ? previous_line - 10 : binding_line - 5
- e = b + 9
- else
- b, e = $1.split(/[-,]/)
- if e
+ when /^\s*n(?:ext)?(?:\s+(\d+))?$/
+ if $1
+ lev = $1.to_i
+ else
+ lev = 1
+ end
+ @stop_next = lev
+ @no_step = @frames.size - frame_pos
+ return
+
+ when /^\s*w(?:here)?$/, /^\s*f(?:rame)?$/
+ display_frames(frame_pos)
+
+ when /^\s*l(?:ist)?(?:\s+(.+))?$/
+ if not $1
+ b = previous_line ? previous_line + 10 : binding_line - 5
+ e = b + 9
+ elsif $1 == '-'
+ b = previous_line ? previous_line - 10 : binding_line - 5
+ e = b + 9
+ else
+ b, e = $1.split(/[-,]/)
+ if e
b = b.to_i
e = e.to_i
else
@@ -412,6 +414,9 @@ class DEBUGGER__
when /^\s*p\s+/
p debug_eval($', binding)
+ when /^\s*h(?:elp)?/
+ debug_print_help()
+
else
v = debug_eval(input, binding)
p v unless (v == nil)
@@ -420,6 +425,45 @@ class DEBUGGER__
end
end
+ def debug_print_help
+ print <<EOHELP
+Debugger help v.-0.002b
+Commands
+ b[reak] [file or method:]<line> set breakpoint to some position
+ wat[ch] <expression> set watchpoint to some expression
+ b[reak] list breakpoints
+ del[ele][ nnn] delete some or all breakpoints
+ disp[lay] <expression> add expression into display expression list
+ undisp[lay][ nnn] delete one particular or all display expressions
+ c[ont] run until program ends or hit breakpoint
+ s[tep][ nnn] step (into methods) one line or till line nnn
+ n[ext][ nnn] go over one line or till line nnn
+ w[here] display frames
+ f[rame] alias for where
+ l[ist][ (-|nn-mm)] list program, - lists backwards
+ nn-mm lists given lines
+ up[ nn] move to higher frame
+ down[ nn] move to lower frame
+ fin[ish] return to outer frame
+ q[uit] exit from debugger
+ v[ar] g[lobal] show global variables
+ v[ar] l[ocal] show local variables
+ v[ar] i[nstance] <object> show instance variables of object
+ v[ar] c[onst] <object> show constants of object
+ m[ethod] i[nstance] <obj> show methods of object
+ m[ethod] <class or module> show instance methods of class or module
+ th[read] l[ist] list all threads
+ th[read] c[ur[rent]] show current threads
+ th[read] <nnn> stop thread nnn
+ th[read] stop <nnn> alias for th[read] <nnn>
+ th[read] c[ur[rent]] <nnn> alias for th[read] <nnn>
+ th[read] resume <nnn> run thread nnn
+ p expression evaluate expression and print its value
+ h[elp] print this help
+ <everything else> evaluate
+EOHELP
+ end
+
def display_expressions(binding)
n = 1
for d in display