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Overview
Comment:Modify mkopcodeh.tcl so that it can handle "same as" opcodes with values larger than the total number of opcodes.
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SHA3-256: 1eb56fe0305f0841b14865b7560add3da529b211328f5fa171b9628418a6ed49
User & Date: dan 2017-07-14 17:50:11.847
Context
2017-07-14
19:12
Tweak Makefile.in so that testfixture can be built with the --disable-amalgamation configure switch. (check-in: 394c6f4f43 user: dan tags: trunk)
17:50
Modify mkopcodeh.tcl so that it can handle "same as" opcodes with values larger than the total number of opcodes. (check-in: 1eb56fe030 user: dan tags: trunk)
15:57
In the LSM1 virtual table, dequote the filename before opening the file. (check-in: 6ed4ef03ff user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to tool/mkopcodeh.tcl.
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    incr cnt
    while {[info exists used($cnt)]} {incr cnt}
    set op($name) $cnt
    set used($cnt) 1
    set def($cnt) $name
  }
}
set max $cnt

for {set i 0} {$i<$nOp} {incr i} {
  if {![info exists used($i)]} {
    set def($i) "OP_NotUsed_$i"
  }

  set name $def($i)
  puts -nonewline [format {#define %-16s %3d} $name $i]
  set com {}
  if {[info exists sameas($i)]} {
    set com "same as $sameas($i)"
  }
  if {[info exists synopsis($name)]} {
    set x $synopsis($name)
    if {$com==""} {
      set com "synopsis: $x"
    } else {
      append com ", synopsis: $x"
    }
  }
  if {$com!=""} {
    puts -nonewline [format " /* %-42s */" $com]
  }
  puts ""
}





# Generate the bitvectors:
#
set bv(0) 0
for {set i 0} {$i<=$max} {incr i} {
  set name $def($i)
  set x 0


  if {$jump($name)}  {incr x 1}
  if {$in1($name)}   {incr x 2}
  if {$in2($name)}   {incr x 4}
  if {$in3($name)}   {incr x 8}
  if {$out2($name)}  {incr x 16}
  if {$out3($name)}  {incr x 32}

  set bv($i) $x
}
puts ""
puts "/* Properties such as \"out2\" or \"jump\" that are specified in"
puts "** comments following the \"case\" for each opcode in the vdbe.c"
puts "** are encoded into bitvectors as follows:"
puts "*/"








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    incr cnt
    while {[info exists used($cnt)]} {incr cnt}
    set op($name) $cnt
    set used($cnt) 1
    set def($cnt) $name
  }
}

set max [lindex [lsort -decr -integer [array names used]] 0]
for {set i 0} {$i<=$max} {incr i} {
  if {![info exists used($i)]} {
    set def($i) "OP_NotUsed_$i"
  }
  if {$i>$max} {set max $i}
  set name $def($i)
  puts -nonewline [format {#define %-16s %3d} $name $i]
  set com {}
  if {[info exists sameas($i)]} {
    set com "same as $sameas($i)"
  }
  if {[info exists synopsis($name)]} {
    set x $synopsis($name)
    if {$com==""} {
      set com "synopsis: $x"
    } else {
      append com ", synopsis: $x"
    }
  }
  if {$com!=""} {
    puts -nonewline [format " /* %-42s */" $com]
  }
  puts ""
}

if {$max>255} {
  error "More than 255 opcodes - VdbeOp.opcode is of type u8!"
}

# Generate the bitvectors:
#
set bv(0) 0
for {set i 0} {$i<=$max} {incr i} {

  set x 0
  set name $def($i)
  if {[string match OP_NotUsed* $name]==0} {
    if {$jump($name)}  {incr x 1}
    if {$in1($name)}   {incr x 2}
    if {$in2($name)}   {incr x 4}
    if {$in3($name)}   {incr x 8}
    if {$out2($name)}  {incr x 16}
    if {$out3($name)}  {incr x 32}
  }
  set bv($i) $x
}
puts ""
puts "/* Properties such as \"out2\" or \"jump\" that are specified in"
puts "** comments following the \"case\" for each opcode in the vdbe.c"
puts "** are encoded into bitvectors as follows:"
puts "*/"
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