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Diffstat (limited to 'tcl8.6/tools/regexpTestLib.tcl')
-rw-r--r-- | tcl8.6/tools/regexpTestLib.tcl | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/tcl8.6/tools/regexpTestLib.tcl b/tcl8.6/tools/regexpTestLib.tcl new file mode 100644 index 0000000..d84a012 --- /dev/null +++ b/tcl8.6/tools/regexpTestLib.tcl @@ -0,0 +1,263 @@ +# regexpTestLib.tcl -- +# +# This file contains tcl procedures used by spencer2testregexp.tcl and +# spencer2regexp.tcl, which are programs written to convert Henry +# Spencer's test suite to tcl test files. +# +# Copyright (c) 1996 by Sun Microsystems, Inc. + +proc readInputFile {} { + global inFileName + global lineArray + + set fileId [open $inFileName r] + + set i 0 + while {[gets $fileId line] >= 0} { + + set len [string length $line] + + if {($len > 0) && ([string index $line [expr $len - 1]] == "\\")} { + if {[info exists lineArray(c$i)] == 0} { + set lineArray(c$i) 1 + } else { + incr lineArray(c$i) + } + set line [string range $line 0 [expr $len - 2]] + append lineArray($i) $line + continue + } + if {[info exists lineArray(c$i)] == 0} { + set lineArray(c$i) 1 + } else { + incr lineArray(c$i) + } + append lineArray($i) $line + incr i + } + + close $fileId + return $i +} + +# +# strings with embedded @'s are truncated +# unpreceeded @'s are replaced by {} +# +proc removeAts {ls} { + set len [llength $ls] + set newLs {} + foreach item $ls { + regsub @.* $item "" newItem + lappend newLs $newItem + } + return $newLs +} + +proc convertErrCode {code} { + + set errMsg "couldn't compile regular expression pattern:" + + if {[string compare $code "INVARG"] == 0} { + return "$errMsg invalid argument to regex routine" + } elseif {[string compare $code "BADRPT"] == 0} { + return "$errMsg ?+* follows nothing" + } elseif {[string compare $code "BADBR"] == 0} { + return "$errMsg invalid repetition count(s)" + } elseif {[string compare $code "BADOPT"] == 0} { + return "$errMsg invalid embedded option" + } elseif {[string compare $code "EPAREN"] == 0} { + return "$errMsg unmatched ()" + } elseif {[string compare $code "EBRACE"] == 0} { + return "$errMsg unmatched {}" + } elseif {[string compare $code "EBRACK"] == 0} { + return "$errMsg unmatched \[\]" + } elseif {[string compare $code "ERANGE"] == 0} { + return "$errMsg invalid character range" + } elseif {[string compare $code "ECTYPE"] == 0} { + return "$errMsg invalid character class" + } elseif {[string compare $code "ECOLLATE"] == 0} { + return "$errMsg invalid collating element" + } elseif {[string compare $code "EESCAPE"] == 0} { + return "$errMsg invalid escape sequence" + } elseif {[string compare $code "BADPAT"] == 0} { + return "$errMsg invalid regular expression" + } elseif {[string compare $code "ESUBREG"] == 0} { + return "$errMsg invalid backreference number" + } elseif {[string compare $code "IMPOSS"] == 0} { + return "$errMsg can never match" + } + return "$errMsg $code" +} + +proc writeOutputFile {numLines fcn} { + global outFileName + global lineArray + + # open output file and write file header info to it. + + set fileId [open $outFileName w] + + puts $fileId "# Commands covered: $fcn" + puts $fileId "#" + puts $fileId "# This Tcl-generated file contains tests for the $fcn tcl command." + puts $fileId "# Sourcing this file into Tcl runs the tests and generates output for" + puts $fileId "# errors. No output means no errors were found. Setting VERBOSE to" + puts $fileId "# -1 will run tests that are known to fail." + puts $fileId "#" + puts $fileId "# Copyright (c) 1998 Sun Microsystems, Inc." + puts $fileId "#" + puts $fileId "# See the file \"license.terms\" for information on usage and redistribution" + puts $fileId "# of this file, and for a DISCLAIMER OF ALL WARRANTIES." + puts $fileId "#" + puts $fileId "\# SCCS: \%Z\% \%M\% \%I\% \%E\% \%U\%" + puts $fileId "\nproc print \{arg\} \{puts \$arg\}\n" + puts $fileId "if \{\[string compare test \[info procs test\]\] == 1\} \{" + puts $fileId " source defs ; set VERBOSE -1\n\}\n" + puts $fileId "if \{\$VERBOSE != -1\} \{" + puts $fileId " proc print \{arg\} \{\}\n\}\n" + puts $fileId "#" + puts $fileId "# The remainder of this file is Tcl tests that have been" + puts $fileId "# converted from Henry Spencer's regexp test suite." + puts $fileId "#\n" + + set lineNum 0 + set srcLineNum 1 + while {$lineNum < $numLines} { + + set currentLine $lineArray($lineNum) + + # copy comment string to output file and continue + + if {[string index $currentLine 0] == "#"} { + puts $fileId $currentLine + incr srcLineNum $lineArray(c$lineNum) + incr lineNum + continue + } + + set len [llength $currentLine] + + # copy empty string to output file and continue + + if {$len == 0} { + puts $fileId "\n" + incr srcLineNum $lineArray(c$lineNum) + incr lineNum + continue + } + if {($len < 3)} { + puts "warning: test is too short --\n\t$currentLine" + incr srcLineNum $lineArray(c$lineNum) + incr lineNum + continue + } + + puts $fileId [convertTestLine $currentLine $len $lineNum $srcLineNum] + + incr srcLineNum $lineArray(c$lineNum) + incr lineNum + } + + close $fileId +} + +proc convertTestLine {currentLine len lineNum srcLineNum} { + + regsub -all {(?b)\\} $currentLine {\\\\} currentLine + set re [lindex $currentLine 0] + set flags [lindex $currentLine 1] + set str [lindex $currentLine 2] + + # based on flags, decide whether to skip the test + + if {[findSkipFlag $flags]} { + regsub -all {\[|\]|\(|\)|\{|\}|\#} $currentLine {\&} line + set msg "\# skipping char mapping test from line $srcLineNum\n" + append msg "print \{... skip test from line $srcLineNum: $line\}" + return $msg + } + + # perform mapping if '=' flag exists + + set noBraces 0 + if {[regexp {=|>} $flags] == 1} { + regsub -all {_} $currentLine {\\ } currentLine + regsub -all {A} $currentLine {\\007} currentLine + regsub -all {B} $currentLine {\\b} currentLine + regsub -all {E} $currentLine {\\033} currentLine + regsub -all {F} $currentLine {\\f} currentLine + regsub -all {N} $currentLine {\\n} currentLine + + # if and \r substitutions are made, do not wrap re, flags, + # str, and result in braces + + set noBraces [regsub -all {R} $currentLine {\\\u000D} currentLine] + regsub -all {T} $currentLine {\\t} currentLine + regsub -all {V} $currentLine {\\v} currentLine + if {[regexp {=} $flags] == 1} { + set re [lindex $currentLine 0] + } + set str [lindex $currentLine 2] + } + set flags [removeFlags $flags] + + # find the test result + + set numVars [expr $len - 3] + set vars {} + set vals {} + set result 0 + set v 0 + + if {[regsub {\*} "$flags" "" newFlags] == 1} { + # an error is expected + + if {[string compare $str "EMPTY"] == 0} { + # empty regexp is not an error + # skip this test + + return "\# skipping the empty-re test from line $srcLineNum\n" + } + set flags $newFlags + set result "\{1 \{[convertErrCode $str]\}\}" + } elseif {$numVars > 0} { + # at least 1 match is made + + if {[regexp {s} $flags] == 1} { + set result "\{0 1\}" + } else { + while {$v < $numVars} { + append vars " var($v)" + append vals " \$var($v)" + incr v + } + set tmp [removeAts [lrange $currentLine 3 $len]] + set result "\{0 \{1 $tmp\}\}" + if {$noBraces} { + set result "\[subst $result\]" + } + } + } else { + # no match is made + + set result "\{0 0\}" + } + + # set up the test and write it to the output file + + set cmd [prepareCmd $flags $re $str $vars $noBraces] + if {$cmd == -1} { + return "\# skipping test with metasyntax from line $srcLineNum\n" + } + + set test "test regexp-1.$srcLineNum \{converted from line $srcLineNum\} \{\n" + append test "\tcatch {unset var}\n" + append test "\tlist \[catch \{\n" + append test "\t\tset match \[$cmd\]\n" + append test "\t\tlist \$match $vals\n" + append test "\t\} msg\] \$msg\n" + append test "\} $result\n" + return $test +} + |