[25] | 1 | #============================================================================== |
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| 2 | # |
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| 3 | # mkdepend : generate dependency information from C/C++ files |
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| 4 | # |
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| 5 | # Copyright (c) 1998, Nat Pryce |
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| 6 | # |
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| 7 | # Permission is hereby granted, without written agreement and without |
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| 8 | # license or royalty fees, to use, copy, modify, and distribute this |
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| 9 | # software and its documentation for any purpose, provided that the |
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| 10 | # above copyright notice and the following two paragraphs appear in |
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| 11 | # all copies of this software. |
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| 12 | # |
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| 13 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, |
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| 14 | # SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF |
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| 15 | # THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE AUTHOR HAS BEEN ADVISED |
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| 16 | # OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 17 | # |
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| 18 | # THE AUTHOR SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT |
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| 19 | # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A |
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| 20 | # PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" |
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| 21 | # BASIS, AND THE AUTHOR HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, |
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| 22 | # UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
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| 23 | #============================================================================== |
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| 24 | # |
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| 25 | # Modified heavily by David Gravereaux <davygrvy@pobox.com> about 9/17/2006. |
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| 26 | # Original can be found @ |
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| 27 | # http://web.archive.org/web/20070616205924/http://www.doc.ic.ac.uk/~np2/software/mkdepend.html |
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| 28 | # |
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| 29 | #============================================================================== |
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| 30 | # RCS: @(#) $Id: mkdepend.tcl,v 1.6 2007/12/13 15:28:40 dgp Exp $ |
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| 31 | #============================================================================== |
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| 32 | |
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| 33 | array set mode_data {} |
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| 34 | set mode_data(vc32) {cl -nologo -E} |
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| 35 | |
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| 36 | set source_extensions [list .c .cpp .cxx .cc] |
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| 37 | |
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| 38 | set excludes [list] |
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| 39 | if [info exists env(INCLUDE)] { |
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| 40 | set rawExcludes [split [string trim $env(INCLUDE) ";"] ";"] |
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| 41 | foreach exclude $rawExcludes { |
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| 42 | lappend excludes [file normalize $exclude] |
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| 43 | } |
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| 44 | } |
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| 45 | |
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| 46 | |
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| 47 | # openOutput -- |
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| 48 | # |
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| 49 | # Opens the output file. |
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| 50 | # |
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| 51 | # Arguments: |
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| 52 | # file The file to open |
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| 53 | # |
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| 54 | # Results: |
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| 55 | # None. |
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| 56 | |
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| 57 | proc openOutput {file} { |
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| 58 | global output |
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| 59 | set output [open $file w] |
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| 60 | puts $output "# Automatically generated at [clock format [clock seconds] -format "%Y-%m-%dT%H:%M:%S"] by [info script]\n" |
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| 61 | } |
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| 62 | |
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| 63 | # closeOutput -- |
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| 64 | # |
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| 65 | # Closes output file. |
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| 66 | # |
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| 67 | # Arguments: |
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| 68 | # none |
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| 69 | # |
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| 70 | # Results: |
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| 71 | # None. |
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| 72 | |
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| 73 | proc closeOutput {} { |
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| 74 | global output |
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| 75 | if {[string match stdout $output] != 0} { |
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| 76 | close $output |
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| 77 | } |
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| 78 | } |
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| 79 | |
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| 80 | # readDepends -- |
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| 81 | # |
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| 82 | # Read off CCP pipe for #line references. |
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| 83 | # |
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| 84 | # Arguments: |
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| 85 | # chan The pipe channel we are reading in. |
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| 86 | # |
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| 87 | # Results: |
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| 88 | # Raw dependency list pairs. |
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| 89 | |
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| 90 | proc readDepends {chan} { |
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| 91 | set line "" |
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| 92 | array set depends {} |
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| 93 | |
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| 94 | while {[gets $chan line] != -1} { |
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| 95 | if {[regexp {^#line [0-9]+ \"(.*)\"$} $line dummy fname] != 0} { |
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| 96 | set fname [file normalize $fname] |
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| 97 | if {![info exists target]} { |
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| 98 | # this is ourself |
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| 99 | set target $fname |
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| 100 | puts stderr "processing [file tail $fname]" |
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| 101 | } else { |
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| 102 | # don't include ourselves as a dependency of ourself. |
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| 103 | if {![string compare $fname $target]} {continue} |
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| 104 | # store in an array so multiple occurances are not counted. |
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| 105 | set depends($target|$fname) "" |
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| 106 | } |
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| 107 | } |
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| 108 | } |
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| 109 | |
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| 110 | set result {} |
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| 111 | foreach n [array names depends] { |
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| 112 | set pair [split $n "|"] |
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| 113 | lappend result [list [lindex $pair 0] [lindex $pair 1]] |
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| 114 | } |
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| 115 | |
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| 116 | return $result |
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| 117 | } |
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| 118 | |
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| 119 | # writeDepends -- |
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| 120 | # |
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| 121 | # Write the processed list out to the file. |
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| 122 | # |
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| 123 | # Arguments: |
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| 124 | # out The channel to write to. |
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| 125 | # depends The list of dependency pairs |
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| 126 | # |
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| 127 | # Results: |
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| 128 | # None. |
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| 129 | |
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| 130 | proc writeDepends {out depends} { |
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| 131 | foreach pair $depends { |
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| 132 | puts $out "[lindex $pair 0] : \\\n\t[join [lindex $pair 1] " \\\n\t"]" |
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| 133 | } |
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| 134 | } |
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| 135 | |
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| 136 | # stringStartsWith -- |
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| 137 | # |
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| 138 | # Compares second string to the beginning of the first. |
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| 139 | # |
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| 140 | # Arguments: |
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| 141 | # str The string to test the beginning of. |
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| 142 | # prefix The string to test against |
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| 143 | # |
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| 144 | # Results: |
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| 145 | # the result of the comparison. |
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| 146 | |
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| 147 | proc stringStartsWith {str prefix} { |
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| 148 | set front [string range $str 0 [expr {[string length $prefix] - 1}]] |
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| 149 | return [expr {[string compare [string tolower $prefix] \ |
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| 150 | [string tolower $front]] == 0}] |
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| 151 | } |
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| 152 | |
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| 153 | # filterExcludes -- |
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| 154 | # |
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| 155 | # Remove non-project header files. |
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| 156 | # |
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| 157 | # Arguments: |
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| 158 | # depends List of dependency pairs. |
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| 159 | # excludes List of directories that should be removed |
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| 160 | # |
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| 161 | # Results: |
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| 162 | # the processed dependency list. |
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| 163 | |
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| 164 | proc filterExcludes {depends excludes} { |
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| 165 | set filtered {} |
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| 166 | |
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| 167 | foreach pair $depends { |
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| 168 | set excluded 0 |
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| 169 | set file [lindex $pair 1] |
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| 170 | |
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| 171 | foreach dir $excludes { |
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| 172 | if [stringStartsWith $file $dir] { |
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| 173 | set excluded 1 |
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| 174 | break; |
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| 175 | } |
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| 176 | } |
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| 177 | |
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| 178 | if {!$excluded} { |
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| 179 | lappend filtered $pair |
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| 180 | } |
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| 181 | } |
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| 182 | |
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| 183 | return $filtered |
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| 184 | } |
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| 185 | |
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| 186 | # replacePrefix -- |
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| 187 | # |
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| 188 | # Take the normalized search path and put back the |
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| 189 | # macro name for it. |
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| 190 | # |
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| 191 | # Arguments: |
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| 192 | # file filename. |
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| 193 | # |
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| 194 | # Results: |
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| 195 | # filename properly replaced with macro for it. |
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| 196 | |
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| 197 | proc replacePrefix {file} { |
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| 198 | global srcPathList srcPathReplaceList |
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| 199 | |
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| 200 | foreach was $srcPathList is $srcPathReplaceList { |
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| 201 | regsub $was $file $is file |
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| 202 | } |
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| 203 | return $file |
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| 204 | } |
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| 205 | |
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| 206 | # rebaseFiles -- |
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| 207 | # |
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| 208 | # Replaces normalized paths with original macro names. |
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| 209 | # |
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| 210 | # Arguments: |
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| 211 | # depends Dependency pair list. |
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| 212 | # |
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| 213 | # Results: |
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| 214 | # The processed dependency pair list. |
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| 215 | |
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| 216 | proc rebaseFiles {depends} { |
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| 217 | set rebased {} |
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| 218 | foreach pair $depends { |
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| 219 | lappend rebased [list \ |
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| 220 | [replacePrefix [lindex $pair 0]] \ |
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| 221 | [replacePrefix [lindex $pair 1]]] |
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| 222 | |
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| 223 | } |
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| 224 | return $rebased |
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| 225 | } |
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| 226 | |
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| 227 | # compressDeps -- |
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| 228 | # |
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| 229 | # Compresses same named tragets into one pair with |
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| 230 | # multiple deps. |
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| 231 | # |
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| 232 | # Arguments: |
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| 233 | # depends Dependency pair list. |
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| 234 | # |
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| 235 | # Results: |
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| 236 | # The processed list. |
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| 237 | |
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| 238 | proc compressDeps {depends} { |
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| 239 | array set compressed [list] |
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| 240 | |
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| 241 | foreach pair $depends { |
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| 242 | lappend compressed([lindex $pair 0]) [lindex $pair 1] |
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| 243 | } |
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| 244 | |
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| 245 | set result [list] |
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| 246 | foreach n [array names compressed] { |
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| 247 | lappend result [list $n [lsort $compressed($n)]] |
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| 248 | } |
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| 249 | |
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| 250 | return $result |
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| 251 | } |
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| 252 | |
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| 253 | # addSearchPath -- |
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| 254 | # |
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| 255 | # Adds a new set of path and replacement string to the global list. |
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| 256 | # |
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| 257 | # Arguments: |
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| 258 | # newPathInfo comma seperated path and replacement string |
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| 259 | # |
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| 260 | # Results: |
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| 261 | # None. |
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| 262 | |
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| 263 | proc addSearchPath {newPathInfo} { |
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| 264 | global srcPathList srcPathReplaceList |
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| 265 | |
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| 266 | set infoList [split $newPathInfo ,] |
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| 267 | lappend srcPathList [file normalize [lindex $infoList 0]] |
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| 268 | lappend srcPathReplaceList [lindex $infoList 1] |
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| 269 | } |
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| 270 | |
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| 271 | |
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| 272 | # displayUsage -- |
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| 273 | # |
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| 274 | # Displays usage to stderr |
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| 275 | # |
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| 276 | # Arguments: |
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| 277 | # none. |
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| 278 | # |
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| 279 | # Results: |
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| 280 | # None. |
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| 281 | |
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| 282 | proc displayUsage {} { |
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| 283 | puts stderr "mkdepend.tcl \[options\] genericDir,macroName compatDir,macroName platformDir,macroName" |
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| 284 | } |
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| 285 | |
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| 286 | # readInputListFile -- |
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| 287 | # |
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| 288 | # Open and read the object file list. |
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| 289 | # |
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| 290 | # Arguments: |
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| 291 | # objectListFile - name of the file to open. |
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| 292 | # |
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| 293 | # Results: |
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| 294 | # None. |
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| 295 | |
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| 296 | proc readInputListFile {objectListFile} { |
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| 297 | global srcFileList srcPathList source_extensions |
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| 298 | set f [open $objectListFile r] |
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| 299 | set fl [read $f] |
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| 300 | close $f |
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| 301 | |
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| 302 | # fix native path seperator so it isn't treated as an escape. |
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| 303 | regsub -all {\\} $fl {/} fl |
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| 304 | |
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| 305 | # Treat the string as a list so filenames between double quotes are |
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| 306 | # treated as list elements. |
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| 307 | foreach fname $fl { |
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| 308 | # Compiled .res resource files should be ignored. |
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| 309 | if {[file extension $fname] ne ".obj"} {continue} |
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| 310 | |
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| 311 | # Just filename without path or extension because the path is |
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| 312 | # the build directory, not where the source files are located. |
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| 313 | set baseName [file rootname [file tail $fname]] |
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| 314 | |
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| 315 | set found 0 |
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| 316 | foreach path $srcPathList { |
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| 317 | foreach ext $source_extensions { |
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| 318 | set test [file join $path ${baseName}${ext}] |
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| 319 | if {[file exist $test]} { |
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| 320 | lappend srcFileList $test |
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| 321 | set found 1 |
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| 322 | break |
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| 323 | } |
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| 324 | } |
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| 325 | if {$found} break |
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| 326 | } |
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| 327 | } |
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| 328 | } |
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| 329 | |
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| 330 | # main -- |
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| 331 | # |
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| 332 | # The main procedure of this script. |
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| 333 | # |
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| 334 | # Arguments: |
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| 335 | # none. |
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| 336 | # |
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| 337 | # Results: |
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| 338 | # None. |
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| 339 | |
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| 340 | proc main {} { |
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| 341 | global argc argv mode mode_data srcFileList srcPathList excludes |
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| 342 | global remove_prefix target_prefix output env |
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| 343 | |
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| 344 | set srcPathList [list] |
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| 345 | set srcFileList [list] |
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| 346 | |
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| 347 | if {$argc == 1} {displayUsage} |
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| 348 | |
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| 349 | # Parse mkdepend input |
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| 350 | for {set i 0} {$i < [llength $argv]} {incr i} { |
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| 351 | switch -glob -- [set arg [lindex $argv $i]] { |
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| 352 | -vc32 { |
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| 353 | set mode vc32 |
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| 354 | } |
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| 355 | -bc32 { |
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| 356 | set mode bc32 |
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| 357 | } |
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| 358 | -wc32 { |
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| 359 | set mode wc32 |
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| 360 | } |
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| 361 | -lc32 { |
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| 362 | set mode lc32 |
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| 363 | } |
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| 364 | -mgw32 { |
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| 365 | set mode mgw32 |
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| 366 | } |
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| 367 | -passthru:* { |
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| 368 | set passthru [string range $arg 10 end] |
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| 369 | regsub -all {"} $passthru {\"} passthru |
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| 370 | regsub -all {\\} $passthru {/} passthru |
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| 371 | } |
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| 372 | -out:* { |
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| 373 | openOutput [string range $arg 5 end] |
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| 374 | } |
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| 375 | @* { |
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| 376 | set objfile [string range $arg 1 end] |
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| 377 | regsub -all {\\} $objfile {/} objfile |
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| 378 | readInputListFile $objfile |
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| 379 | } |
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| 380 | -? - -help - --help { |
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| 381 | displayUsage |
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| 382 | exit 1 |
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| 383 | } |
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| 384 | default { |
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| 385 | if {![info exist mode]} { |
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| 386 | puts stderr "mode not set" |
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| 387 | displayUsage |
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| 388 | } |
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| 389 | addSearchPath $arg |
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| 390 | } |
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| 391 | } |
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| 392 | } |
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| 393 | |
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| 394 | # Execute the CPP command and parse output |
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| 395 | |
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| 396 | foreach srcFile $srcFileList { |
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| 397 | if {[catch { |
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| 398 | set command "$mode_data($mode) $passthru \"$srcFile\"" |
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| 399 | set input [open |$command r] |
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| 400 | set depends [readDepends $input] |
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| 401 | set status [catch {close $input} result] |
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| 402 | if {$status == 1 && [lindex $::errorCode 0] eq "CHILDSTATUS"} { |
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| 403 | foreach { - pid code } $::errorCode break |
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| 404 | if {$code == 2} { |
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| 405 | # preprocessor died a cruel death. |
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| 406 | error $result |
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| 407 | } |
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| 408 | } |
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| 409 | } err]} { |
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| 410 | puts stderr "error ocurred: $err\n" |
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| 411 | continue |
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| 412 | } |
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| 413 | set depends [filterExcludes $depends $excludes] |
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| 414 | set depends [rebaseFiles $depends] |
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| 415 | set depends [compressDeps $depends] |
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| 416 | writeDepends $output $depends |
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| 417 | } |
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| 418 | |
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| 419 | closeOutput |
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| 420 | } |
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| 421 | |
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| 422 | # kick it up. |
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| 423 | main |
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