-- -*- M2-comint -*- {* hash: -1924620924 *}

i1 : load "Macaulay2Doc/demo2.m2"

i2 : code f

o2 = /builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Macaulay2Doc/demo2.m2:6:7-12:13: --source code:
     f = t -> (
          x := 1;
          error "debug me";
          y := t+1;
          z := 1/t;
          w := x+t;
          )

i3 : f 0
/builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Macaulay2Doc/demo2.m2:8:6:(3):[1]: error: debug me
/builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Macaulay2Doc/demo2.m2:8:6:(3):[1]: --entering debugger (type help to see debugger commands)
/builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Macaulay2Doc/demo2.m2:8:6-8:6: --source code:
     error "debug me";

ii4 : help
--loading the Macaulay2 documentation from /builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Macaulay2Doc/

oo4 = --debugging control:
          return              -- bypass current expression, return null, stop
          return x            -- bypass current expression, return x, stop
          step                -- step 1 line
          step n              -- step n lines
          step (-n)           -- trace n microsteps
          end (or eof char)   -- enter debugger one level up
          continue            -- leave the debugger, continuing execution
                              -- with current expression
          break               -- leave the debugger, returning to top level
      --debugging information:
          listLocalSymbols    -- display local symbols and their values
          listUserSymbols     -- display user symbols and their values
          current             -- the current expression; initially, the one
                              -- that produced an error
          code current        -- source code of current expression
          value current       -- execute current expression, obtain value
          disassemble current -- display microcode of current expression
          currentString       -- the string being evaluated by 'value', if
                              -- an error occurred within it
      -- emacs commands in *M2* buffer:
          RET                 -- on an file/position line, go to source

ii5 : return
/builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Macaulay2Doc/demo2.m2:9:8:(3):[1]: --stepping limit reached
/builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Macaulay2Doc/demo2.m2:9:8:(3):[1]: --entering debugger (type help to see debugger commands)
/builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Macaulay2Doc/demo2.m2:9:8-9:13: --source code:
     y := t+1;

ii6 : disassemble current

oo6 = (store 2 0 (2-OP + (fetch 0 0) 1))

ii7 : step(-3)
/builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Macaulay2Doc/demo2.m2:9:8:(3):[1]: --evaluating: (store 2 0 (2-OP + (fetch 0 0) 1))
/builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Macaulay2Doc/demo2.m2:9:12:(3):[1]: --evaluating: (2-OP + (fetch 0 0) 1)
/builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Macaulay2Doc/demo2.m2:9:11:(3):[1]: --evaluating: (fetch 0 0)
/builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Macaulay2Doc/demo2.m2:9:13:(3):[1]: --stepping limit reached
/builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Macaulay2Doc/demo2.m2:9:13:(3):[1]: --entering debugger (type help to see debugger commands)
/builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Macaulay2Doc/demo2.m2:9:13-9:13: --source code:
     y := t+1;

ii8 : step
/builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Macaulay2Doc/demo2.m2:10:8:(3):[1]: --stepping limit reached
/builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Macaulay2Doc/demo2.m2:10:8:(3):[1]: --entering debugger (type help to see debugger commands)
/builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Macaulay2Doc/demo2.m2:10:8-10:13: --source code:
     z := 1/t;

ii9 : step
/builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Macaulay2Doc/demo2.m2:10:12:(3):[1]: error: division by zero
/builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Macaulay2Doc/demo2.m2:10:12:(3):[1]: --entering debugger (type help to see debugger commands)
/builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Macaulay2Doc/demo2.m2:10:11-10:13: --source code:
     z := 1/t;

ii10 : t

oo10 = 0

ii11 : 

i12 :