| 1 | # genStubs.tcl -- |
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| 2 | # |
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| 3 | # This script generates a set of stub files for a given |
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| 4 | # interface. |
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| 5 | # |
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| 6 | # |
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| 7 | # Copyright (c) 1998-1999 by Scriptics Corporation. |
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| 8 | # Copyright (c) 2007 Daniel A. Steffen <das@users.sourceforge.net> |
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| 9 | # |
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| 10 | # See the file "license.terms" for information on usage and redistribution |
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| 11 | # of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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| 12 | # |
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| 13 | # RCS: @(#) $Id: genStubs.tcl,v 1.22 2007/12/13 15:28:40 dgp Exp $ |
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| 14 | |
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| 15 | package require Tcl 8.4 |
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| 16 | |
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| 17 | namespace eval genStubs { |
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| 18 | # libraryName -- |
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| 19 | # |
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| 20 | # The name of the entire library. This value is used to compute |
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| 21 | # the USE_*_STUB_PROCS macro and the name of the init file. |
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| 22 | |
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| 23 | variable libraryName "UNKNOWN" |
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| 24 | |
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| 25 | # interfaces -- |
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| 26 | # |
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| 27 | # An array indexed by interface name that is used to maintain |
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| 28 | # the set of valid interfaces. The value is empty. |
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| 29 | |
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| 30 | array set interfaces {} |
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| 31 | |
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| 32 | # curName -- |
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| 33 | # |
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| 34 | # The name of the interface currently being defined. |
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| 35 | |
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| 36 | variable curName "UNKNOWN" |
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| 37 | |
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| 38 | # hooks -- |
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| 39 | # |
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| 40 | # An array indexed by interface name that contains the set of |
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| 41 | # subinterfaces that should be defined for a given interface. |
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| 42 | |
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| 43 | array set hooks {} |
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| 44 | |
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| 45 | # stubs -- |
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| 46 | # |
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| 47 | # This three dimensional array is indexed first by interface name, |
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| 48 | # second by platform name, and third by a numeric offset or the |
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| 49 | # constant "lastNum". The lastNum entry contains the largest |
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| 50 | # numeric offset used for a given interface/platform combo. Each |
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| 51 | # numeric offset contains the C function specification that |
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| 52 | # should be used for the given entry in the stub table. The spec |
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| 53 | # consists of a list in the form returned by parseDecl. |
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| 54 | |
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| 55 | array set stubs {} |
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| 56 | |
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| 57 | # outDir -- |
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| 58 | # |
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| 59 | # The directory where the generated files should be placed. |
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| 60 | |
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| 61 | variable outDir . |
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| 62 | } |
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| 63 | |
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| 64 | # genStubs::library -- |
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| 65 | # |
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| 66 | # This function is used in the declarations file to set the name |
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| 67 | # of the library that the interfaces are associated with (e.g. "tcl"). |
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| 68 | # This value will be used to define the inline conditional macro. |
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| 69 | # |
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| 70 | # Arguments: |
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| 71 | # name The library name. |
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| 72 | # |
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| 73 | # Results: |
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| 74 | # None. |
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| 75 | |
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| 76 | proc genStubs::library {name} { |
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| 77 | variable libraryName $name |
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| 78 | } |
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| 79 | |
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| 80 | # genStubs::interface -- |
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| 81 | # |
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| 82 | # This function is used in the declarations file to set the name |
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| 83 | # of the interface currently being defined. |
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| 84 | # |
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| 85 | # Arguments: |
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| 86 | # name The name of the interface. |
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| 87 | # |
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| 88 | # Results: |
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| 89 | # None. |
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| 90 | |
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| 91 | proc genStubs::interface {name} { |
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| 92 | variable curName $name |
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| 93 | variable interfaces |
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| 94 | |
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| 95 | set interfaces($name) {} |
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| 96 | return |
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| 97 | } |
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| 98 | |
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| 99 | # genStubs::hooks -- |
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| 100 | # |
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| 101 | # This function defines the subinterface hooks for the current |
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| 102 | # interface. |
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| 103 | # |
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| 104 | # Arguments: |
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| 105 | # names The ordered list of interfaces that are reachable through the |
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| 106 | # hook vector. |
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| 107 | # |
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| 108 | # Results: |
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| 109 | # None. |
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| 110 | |
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| 111 | proc genStubs::hooks {names} { |
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| 112 | variable curName |
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| 113 | variable hooks |
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| 114 | |
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| 115 | set hooks($curName) $names |
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| 116 | return |
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| 117 | } |
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| 118 | |
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| 119 | # genStubs::declare -- |
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| 120 | # |
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| 121 | # This function is used in the declarations file to declare a new |
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| 122 | # interface entry. |
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| 123 | # |
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| 124 | # Arguments: |
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| 125 | # index The index number of the interface. |
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| 126 | # platform The platform the interface belongs to. Should be one |
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| 127 | # of generic, win, unix, or macosx or aqua or x11. |
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| 128 | # decl The C function declaration, or {} for an undefined |
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| 129 | # entry. |
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| 130 | # |
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| 131 | # Results: |
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| 132 | # None. |
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| 133 | |
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| 134 | proc genStubs::declare {args} { |
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| 135 | variable stubs |
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| 136 | variable curName |
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| 137 | |
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| 138 | if {[llength $args] != 3} { |
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| 139 | puts stderr "wrong # args: declare $args" |
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| 140 | } |
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| 141 | lassign $args index platformList decl |
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| 142 | |
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| 143 | # Check for duplicate declarations, then add the declaration and |
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| 144 | # bump the lastNum counter if necessary. |
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| 145 | |
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| 146 | foreach platform $platformList { |
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| 147 | if {[info exists stubs($curName,$platform,$index)]} { |
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| 148 | puts stderr "Duplicate entry: declare $args" |
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| 149 | } |
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| 150 | } |
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| 151 | regsub -all "\[ \t\n\]+" [string trim $decl] " " decl |
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| 152 | set decl [parseDecl $decl] |
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| 153 | |
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| 154 | foreach platform $platformList { |
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| 155 | if {$decl != ""} { |
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| 156 | set stubs($curName,$platform,$index) $decl |
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| 157 | if {![info exists stubs($curName,$platform,lastNum)] \ |
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| 158 | || ($index > $stubs($curName,$platform,lastNum))} { |
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| 159 | set stubs($curName,$platform,lastNum) $index |
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| 160 | } |
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| 161 | } |
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| 162 | } |
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| 163 | return |
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| 164 | } |
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| 165 | |
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| 166 | # genStubs::export -- |
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| 167 | # |
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| 168 | # This function is used in the declarations file to declare a symbol |
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| 169 | # that is exported from the library but is not in the stubs table. |
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| 170 | # |
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| 171 | # Arguments: |
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| 172 | # decl The C function declaration, or {} for an undefined |
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| 173 | # entry. |
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| 174 | # |
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| 175 | # Results: |
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| 176 | # None. |
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| 177 | |
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| 178 | proc genStubs::export {args} { |
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| 179 | variable stubs |
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| 180 | variable curName |
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| 181 | |
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| 182 | if {[llength $args] != 1} { |
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| 183 | puts stderr "wrong # args: export $args" |
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| 184 | } |
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| 185 | lassign $args decl |
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| 186 | |
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| 187 | return |
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| 188 | } |
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| 189 | |
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| 190 | # genStubs::rewriteFile -- |
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| 191 | # |
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| 192 | # This function replaces the machine generated portion of the |
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| 193 | # specified file with new contents. It looks for the !BEGIN! and |
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| 194 | # !END! comments to determine where to place the new text. |
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| 195 | # |
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| 196 | # Arguments: |
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| 197 | # file The name of the file to modify. |
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| 198 | # text The new text to place in the file. |
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| 199 | # |
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| 200 | # Results: |
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| 201 | # None. |
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| 202 | |
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| 203 | proc genStubs::rewriteFile {file text} { |
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| 204 | if {![file exists $file]} { |
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| 205 | puts stderr "Cannot find file: $file" |
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| 206 | return |
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| 207 | } |
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| 208 | set in [open ${file} r] |
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| 209 | set out [open ${file}.new w] |
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| 210 | |
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| 211 | while {![eof $in]} { |
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| 212 | set line [gets $in] |
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| 213 | if {[string match "*!BEGIN!*" $line]} { |
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| 214 | break |
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| 215 | } |
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| 216 | puts $out $line |
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| 217 | } |
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| 218 | puts $out "/* !BEGIN!: Do not edit below this line. */" |
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| 219 | puts $out $text |
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| 220 | while {![eof $in]} { |
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| 221 | set line [gets $in] |
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| 222 | if {[string match "*!END!*" $line]} { |
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| 223 | break |
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| 224 | } |
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| 225 | } |
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| 226 | puts $out "/* !END!: Do not edit above this line. */" |
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| 227 | puts -nonewline $out [read $in] |
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| 228 | close $in |
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| 229 | close $out |
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| 230 | file rename -force ${file}.new ${file} |
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| 231 | return |
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| 232 | } |
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| 233 | |
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| 234 | # genStubs::addPlatformGuard -- |
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| 235 | # |
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| 236 | # Wrap a string inside a platform #ifdef. |
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| 237 | # |
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| 238 | # Arguments: |
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| 239 | # plat Platform to test. |
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| 240 | # |
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| 241 | # Results: |
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| 242 | # Returns the original text inside an appropriate #ifdef. |
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| 243 | |
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| 244 | proc genStubs::addPlatformGuard {plat iftxt {eltxt {}}} { |
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| 245 | set text "" |
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| 246 | switch $plat { |
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| 247 | win { |
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| 248 | append text "#ifdef __WIN32__ /* WIN */\n${iftxt}" |
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| 249 | if {$eltxt ne ""} { |
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| 250 | append text "#else /* WIN */\n${eltxt}" |
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| 251 | } |
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| 252 | append text "#endif /* WIN */\n" |
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| 253 | } |
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| 254 | unix { |
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| 255 | append text "#if !defined(__WIN32__) && !defined(MAC_OSX_TCL)\ |
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| 256 | /* UNIX */\n${iftxt}" |
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| 257 | if {$eltxt ne ""} { |
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| 258 | append text "#else /* UNIX */\n${eltxt}" |
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| 259 | } |
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| 260 | append text "#endif /* UNIX */\n" |
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| 261 | } |
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| 262 | macosx { |
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| 263 | append text "#ifdef MAC_OSX_TCL /* MACOSX */\n${iftxt}" |
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| 264 | if {$eltxt ne ""} { |
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| 265 | append text "#else /* MACOSX */\n${eltxt}" |
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| 266 | } |
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| 267 | append text "#endif /* MACOSX */\n" |
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| 268 | } |
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| 269 | aqua { |
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| 270 | append text "#ifdef MAC_OSX_TK /* AQUA */\n${iftxt}" |
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| 271 | if {$eltxt ne ""} { |
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| 272 | append text "#else /* AQUA */\n${eltxt}" |
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| 273 | } |
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| 274 | append text "#endif /* AQUA */\n" |
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| 275 | } |
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| 276 | x11 { |
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| 277 | append text "#if !(defined(__WIN32__) || defined(MAC_OSX_TK))\ |
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| 278 | /* X11 */\n${iftxt}" |
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| 279 | if {$eltxt ne ""} { |
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| 280 | append text "#else /* X11 */\n${eltxt}" |
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| 281 | } |
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| 282 | append text "#endif /* X11 */\n" |
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| 283 | } |
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| 284 | default { |
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| 285 | append text "${iftxt}${eltxt}" |
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| 286 | } |
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| 287 | } |
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| 288 | return $text |
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| 289 | } |
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| 290 | |
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| 291 | # genStubs::emitSlots -- |
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| 292 | # |
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| 293 | # Generate the stub table slots for the given interface. If there |
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| 294 | # are no generic slots, then one table is generated for each |
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| 295 | # platform, otherwise one table is generated for all platforms. |
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| 296 | # |
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| 297 | # Arguments: |
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| 298 | # name The name of the interface being emitted. |
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| 299 | # textVar The variable to use for output. |
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| 300 | # |
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| 301 | # Results: |
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| 302 | # None. |
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| 303 | |
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| 304 | proc genStubs::emitSlots {name textVar} { |
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| 305 | variable stubs |
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| 306 | upvar $textVar text |
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| 307 | |
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| 308 | forAllStubs $name makeSlot 1 text {" void *reserved$i;\n"} |
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| 309 | return |
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| 310 | } |
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| 311 | |
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| 312 | # genStubs::parseDecl -- |
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| 313 | # |
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| 314 | # Parse a C function declaration into its component parts. |
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| 315 | # |
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| 316 | # Arguments: |
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| 317 | # decl The function declaration. |
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| 318 | # |
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| 319 | # Results: |
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| 320 | # Returns a list of the form {returnType name args}. The args |
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| 321 | # element consists of a list of type/name pairs, or a single |
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| 322 | # element "void". If the function declaration is malformed |
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| 323 | # then an error is displayed and the return value is {}. |
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| 324 | |
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| 325 | proc genStubs::parseDecl {decl} { |
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| 326 | if {![regexp {^(.*)\((.*)\)$} $decl all prefix args]} { |
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| 327 | set prefix $decl |
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| 328 | set args {} |
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| 329 | } |
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| 330 | set prefix [string trim $prefix] |
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| 331 | if {![regexp {^(.+[ ][*]*)([^ *]+)$} $prefix all rtype fname]} { |
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| 332 | puts stderr "Bad return type: $decl" |
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| 333 | return |
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| 334 | } |
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| 335 | set rtype [string trim $rtype] |
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| 336 | if {$args == ""} { |
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| 337 | return [list $rtype $fname {}] |
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| 338 | } |
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| 339 | foreach arg [split $args ,] { |
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| 340 | lappend argList [string trim $arg] |
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| 341 | } |
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| 342 | if {![string compare [lindex $argList end] "..."]} { |
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| 343 | set args TCL_VARARGS |
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| 344 | foreach arg [lrange $argList 0 end-1] { |
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| 345 | set argInfo [parseArg $arg] |
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| 346 | if {[llength $argInfo] == 2 || [llength $argInfo] == 3} { |
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| 347 | lappend args $argInfo |
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| 348 | } else { |
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| 349 | puts stderr "Bad argument: '$arg' in '$decl'" |
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| 350 | return |
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| 351 | } |
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| 352 | } |
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| 353 | } else { |
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| 354 | set args {} |
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| 355 | foreach arg $argList { |
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| 356 | set argInfo [parseArg $arg] |
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| 357 | if {![string compare $argInfo "void"]} { |
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| 358 | lappend args "void" |
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| 359 | break |
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| 360 | } elseif {[llength $argInfo] == 2 || [llength $argInfo] == 3} { |
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| 361 | lappend args $argInfo |
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| 362 | } else { |
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| 363 | puts stderr "Bad argument: '$arg' in '$decl'" |
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| 364 | return |
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| 365 | } |
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| 366 | } |
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| 367 | } |
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| 368 | return [list $rtype $fname $args] |
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| 369 | } |
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| 370 | |
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| 371 | # genStubs::parseArg -- |
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| 372 | # |
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| 373 | # This function parses a function argument into a type and name. |
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| 374 | # |
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| 375 | # Arguments: |
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| 376 | # arg The argument to parse. |
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| 377 | # |
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| 378 | # Results: |
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| 379 | # Returns a list of type and name with an optional third array |
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| 380 | # indicator. If the argument is malformed, returns "". |
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| 381 | |
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| 382 | proc genStubs::parseArg {arg} { |
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| 383 | if {![regexp {^(.+[ ][*]*)([^][ *]+)(\[\])?$} $arg all type name array]} { |
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| 384 | if {$arg == "void"} { |
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| 385 | return $arg |
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| 386 | } else { |
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| 387 | return |
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| 388 | } |
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| 389 | } |
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| 390 | set result [list [string trim $type] $name] |
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| 391 | if {$array != ""} { |
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| 392 | lappend result $array |
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| 393 | } |
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| 394 | return $result |
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| 395 | } |
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| 396 | |
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| 397 | # genStubs::makeDecl -- |
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| 398 | # |
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| 399 | # Generate the prototype for a function. |
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| 400 | # |
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| 401 | # Arguments: |
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| 402 | # name The interface name. |
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| 403 | # decl The function declaration. |
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| 404 | # index The slot index for this function. |
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| 405 | # |
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| 406 | # Results: |
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| 407 | # Returns the formatted declaration string. |
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| 408 | |
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| 409 | proc genStubs::makeDecl {name decl index} { |
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| 410 | lassign $decl rtype fname args |
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| 411 | |
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| 412 | append text "/* $index */\n" |
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| 413 | set line "EXTERN $rtype" |
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| 414 | set count [expr {2 - ([string length $line] / 8)}] |
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| 415 | append line [string range "\t\t\t" 0 $count] |
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| 416 | set pad [expr {24 - [string length $line]}] |
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| 417 | if {$pad <= 0} { |
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| 418 | append line " " |
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| 419 | set pad 0 |
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| 420 | } |
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| 421 | if {$args == ""} { |
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| 422 | append line $fname |
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| 423 | append text $line |
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| 424 | append text ";\n" |
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| 425 | return $text |
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| 426 | } |
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| 427 | append line "$fname " |
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| 428 | |
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| 429 | set arg1 [lindex $args 0] |
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| 430 | switch -exact $arg1 { |
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| 431 | void { |
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| 432 | append line "(void)" |
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| 433 | } |
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| 434 | TCL_VARARGS { |
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| 435 | set sep "(" |
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| 436 | foreach arg [lrange $args 1 end] { |
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| 437 | append line $sep |
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| 438 | set next {} |
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| 439 | append next [lindex $arg 0] " " [lindex $arg 1] \ |
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| 440 | [lindex $arg 2] |
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| 441 | if {[string length $line] + [string length $next] \ |
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| 442 | + $pad > 76} { |
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| 443 | append text $line \n |
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| 444 | set line "\t\t\t\t" |
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| 445 | set pad 28 |
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| 446 | } |
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| 447 | append line $next |
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| 448 | set sep ", " |
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| 449 | } |
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| 450 | append line ", ...)" |
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| 451 | } |
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| 452 | default { |
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| 453 | set sep "(" |
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| 454 | foreach arg $args { |
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| 455 | append line $sep |
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| 456 | set next {} |
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| 457 | append next [lindex $arg 0] " " [lindex $arg 1] \ |
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| 458 | [lindex $arg 2] |
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| 459 | if {[string length $line] + [string length $next] \ |
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| 460 | + $pad > 76} { |
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| 461 | append text $line \n |
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| 462 | set line "\t\t\t\t" |
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| 463 | set pad 28 |
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| 464 | } |
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| 465 | append line $next |
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| 466 | set sep ", " |
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| 467 | } |
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| 468 | append line ")" |
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| 469 | } |
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| 470 | } |
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| 471 | append text $line ";" |
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| 472 | format "#ifndef %s_TCL_DECLARED\n#define %s_TCL_DECLARED\n%s\n#endif\n" \ |
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| 473 | $fname $fname $text |
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| 474 | } |
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| 475 | |
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| 476 | # genStubs::makeMacro -- |
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| 477 | # |
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| 478 | # Generate the inline macro for a function. |
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| 479 | # |
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| 480 | # Arguments: |
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| 481 | # name The interface name. |
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| 482 | # decl The function declaration. |
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| 483 | # index The slot index for this function. |
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| 484 | # |
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| 485 | # Results: |
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| 486 | # Returns the formatted macro definition. |
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| 487 | |
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| 488 | proc genStubs::makeMacro {name decl index} { |
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| 489 | lassign $decl rtype fname args |
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| 490 | |
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| 491 | set lfname [string tolower [string index $fname 0]] |
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| 492 | append lfname [string range $fname 1 end] |
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| 493 | |
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| 494 | set text "#ifndef $fname\n#define $fname" |
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| 495 | if {$args == ""} { |
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| 496 | append text " \\\n\t(*${name}StubsPtr->$lfname)" |
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| 497 | append text " /* $index */\n#endif\n" |
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| 498 | return $text |
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| 499 | } |
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| 500 | append text " \\\n\t(${name}StubsPtr->$lfname)" |
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| 501 | append text " /* $index */\n#endif\n" |
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| 502 | return $text |
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| 503 | } |
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| 504 | |
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| 505 | # genStubs::makeStub -- |
|---|
| 506 | # |
|---|
| 507 | # Emits a stub function definition. |
|---|
| 508 | # |
|---|
| 509 | # Arguments: |
|---|
| 510 | # name The interface name. |
|---|
| 511 | # decl The function declaration. |
|---|
| 512 | # index The slot index for this function. |
|---|
| 513 | # |
|---|
| 514 | # Results: |
|---|
| 515 | # Returns the formatted stub function definition. |
|---|
| 516 | |
|---|
| 517 | proc genStubs::makeStub {name decl index} { |
|---|
| 518 | lassign $decl rtype fname args |
|---|
| 519 | |
|---|
| 520 | set lfname [string tolower [string index $fname 0]] |
|---|
| 521 | append lfname [string range $fname 1 end] |
|---|
| 522 | |
|---|
| 523 | append text "/* Slot $index */\n" $rtype "\n" $fname |
|---|
| 524 | |
|---|
| 525 | set arg1 [lindex $args 0] |
|---|
| 526 | |
|---|
| 527 | if {![string compare $arg1 "TCL_VARARGS"]} { |
|---|
| 528 | lassign [lindex $args 1] type argName |
|---|
| 529 | append text " ($type$argName, ...)\n\{\n" |
|---|
| 530 | append text " " $type " var;\n va_list argList;\n" |
|---|
| 531 | if {[string compare $rtype "void"]} { |
|---|
| 532 | append text " " $rtype " resultValue;\n" |
|---|
| 533 | } |
|---|
| 534 | append text "\n var = (" $type ") (va_start(argList, " \ |
|---|
| 535 | $argName "), " $argName ");\n\n " |
|---|
| 536 | if {[string compare $rtype "void"]} { |
|---|
| 537 | append text "resultValue = " |
|---|
| 538 | } |
|---|
| 539 | append text "(" $name "StubsPtr->" $lfname "VA)(var, argList);\n" |
|---|
| 540 | append text " va_end(argList);\n" |
|---|
| 541 | if {[string compare $rtype "void"]} { |
|---|
| 542 | append text "return resultValue;\n" |
|---|
| 543 | } |
|---|
| 544 | append text "\}\n\n" |
|---|
| 545 | return $text |
|---|
| 546 | } |
|---|
| 547 | |
|---|
| 548 | if {![string compare $arg1 "void"]} { |
|---|
| 549 | set argList "()" |
|---|
| 550 | set argDecls "" |
|---|
| 551 | } else { |
|---|
| 552 | set argList "" |
|---|
| 553 | set sep "(" |
|---|
| 554 | foreach arg $args { |
|---|
| 555 | append argList $sep [lindex $arg 1] |
|---|
| 556 | append argDecls " " [lindex $arg 0] " " \ |
|---|
| 557 | [lindex $arg 1] [lindex $arg 2] ";\n" |
|---|
| 558 | set sep ", " |
|---|
| 559 | } |
|---|
| 560 | append argList ")" |
|---|
| 561 | } |
|---|
| 562 | append text $argList "\n" $argDecls "{\n " |
|---|
| 563 | if {[string compare $rtype "void"]} { |
|---|
| 564 | append text "return " |
|---|
| 565 | } |
|---|
| 566 | append text "(" $name "StubsPtr->" $lfname ")" $argList ";\n}\n\n" |
|---|
| 567 | return $text |
|---|
| 568 | } |
|---|
| 569 | |
|---|
| 570 | # genStubs::makeSlot -- |
|---|
| 571 | # |
|---|
| 572 | # Generate the stub table entry for a function. |
|---|
| 573 | # |
|---|
| 574 | # Arguments: |
|---|
| 575 | # name The interface name. |
|---|
| 576 | # decl The function declaration. |
|---|
| 577 | # index The slot index for this function. |
|---|
| 578 | # |
|---|
| 579 | # Results: |
|---|
| 580 | # Returns the formatted table entry. |
|---|
| 581 | |
|---|
| 582 | proc genStubs::makeSlot {name decl index} { |
|---|
| 583 | lassign $decl rtype fname args |
|---|
| 584 | |
|---|
| 585 | set lfname [string tolower [string index $fname 0]] |
|---|
| 586 | append lfname [string range $fname 1 end] |
|---|
| 587 | |
|---|
| 588 | set text " " |
|---|
| 589 | if {$args == ""} { |
|---|
| 590 | append text $rtype " *" $lfname "; /* $index */\n" |
|---|
| 591 | return $text |
|---|
| 592 | } |
|---|
| 593 | append text $rtype " (*" $lfname ") " |
|---|
| 594 | |
|---|
| 595 | set arg1 [lindex $args 0] |
|---|
| 596 | switch -exact $arg1 { |
|---|
| 597 | void { |
|---|
| 598 | append text "(void)" |
|---|
| 599 | } |
|---|
| 600 | TCL_VARARGS { |
|---|
| 601 | set sep "(" |
|---|
| 602 | foreach arg [lrange $args 1 end] { |
|---|
| 603 | append text $sep [lindex $arg 0] " " [lindex $arg 1] \ |
|---|
| 604 | [lindex $arg 2] |
|---|
| 605 | set sep ", " |
|---|
| 606 | } |
|---|
| 607 | append text ", ...)" |
|---|
| 608 | } |
|---|
| 609 | default { |
|---|
| 610 | set sep "(" |
|---|
| 611 | foreach arg $args { |
|---|
| 612 | append text $sep [lindex $arg 0] " " [lindex $arg 1] \ |
|---|
| 613 | [lindex $arg 2] |
|---|
| 614 | set sep ", " |
|---|
| 615 | } |
|---|
| 616 | append text ")" |
|---|
| 617 | } |
|---|
| 618 | } |
|---|
| 619 | |
|---|
| 620 | append text "; /* $index */\n" |
|---|
| 621 | return $text |
|---|
| 622 | } |
|---|
| 623 | |
|---|
| 624 | # genStubs::makeInit -- |
|---|
| 625 | # |
|---|
| 626 | # Generate the prototype for a function. |
|---|
| 627 | # |
|---|
| 628 | # Arguments: |
|---|
| 629 | # name The interface name. |
|---|
| 630 | # decl The function declaration. |
|---|
| 631 | # index The slot index for this function. |
|---|
| 632 | # |
|---|
| 633 | # Results: |
|---|
| 634 | # Returns the formatted declaration string. |
|---|
| 635 | |
|---|
| 636 | proc genStubs::makeInit {name decl index} { |
|---|
| 637 | if {[lindex $decl 2] == ""} { |
|---|
| 638 | append text " &" [lindex $decl 1] ", /* " $index " */\n" |
|---|
| 639 | } else { |
|---|
| 640 | append text " " [lindex $decl 1] ", /* " $index " */\n" |
|---|
| 641 | } |
|---|
| 642 | return $text |
|---|
| 643 | } |
|---|
| 644 | |
|---|
| 645 | # genStubs::forAllStubs -- |
|---|
| 646 | # |
|---|
| 647 | # This function iterates over all of the platforms and invokes |
|---|
| 648 | # a callback for each slot. The result of the callback is then |
|---|
| 649 | # placed inside appropriate platform guards. |
|---|
| 650 | # |
|---|
| 651 | # Arguments: |
|---|
| 652 | # name The interface name. |
|---|
| 653 | # slotProc The proc to invoke to handle the slot. It will |
|---|
| 654 | # have the interface name, the declaration, and |
|---|
| 655 | # the index appended. |
|---|
| 656 | # onAll If 1, emit the skip string even if there are |
|---|
| 657 | # definitions for one or more platforms. |
|---|
| 658 | # textVar The variable to use for output. |
|---|
| 659 | # skipString The string to emit if a slot is skipped. This |
|---|
| 660 | # string will be subst'ed in the loop so "$i" can |
|---|
| 661 | # be used to substitute the index value. |
|---|
| 662 | # |
|---|
| 663 | # Results: |
|---|
| 664 | # None. |
|---|
| 665 | |
|---|
| 666 | proc genStubs::forAllStubs {name slotProc onAll textVar \ |
|---|
| 667 | {skipString {"/* Slot $i is reserved */\n"}}} { |
|---|
| 668 | variable stubs |
|---|
| 669 | upvar $textVar text |
|---|
| 670 | |
|---|
| 671 | set plats [array names stubs $name,*,lastNum] |
|---|
| 672 | if {[info exists stubs($name,generic,lastNum)]} { |
|---|
| 673 | # Emit integrated stubs block |
|---|
| 674 | set lastNum -1 |
|---|
| 675 | foreach plat [array names stubs $name,*,lastNum] { |
|---|
| 676 | if {$stubs($plat) > $lastNum} { |
|---|
| 677 | set lastNum $stubs($plat) |
|---|
| 678 | } |
|---|
| 679 | } |
|---|
| 680 | for {set i 0} {$i <= $lastNum} {incr i} { |
|---|
| 681 | set slots [array names stubs $name,*,$i] |
|---|
| 682 | set emit 0 |
|---|
| 683 | if {[info exists stubs($name,generic,$i)]} { |
|---|
| 684 | if {[llength $slots] > 1} { |
|---|
| 685 | puts stderr "conflicting generic and platform entries:\ |
|---|
| 686 | $name $i" |
|---|
| 687 | } |
|---|
| 688 | append text [$slotProc $name $stubs($name,generic,$i) $i] |
|---|
| 689 | set emit 1 |
|---|
| 690 | } elseif {[llength $slots] > 0} { |
|---|
| 691 | array set slot {unix 0 x11 0 win 0 macosx 0 aqua 0} |
|---|
| 692 | foreach s $slots { |
|---|
| 693 | set slot([lindex [split $s ,] 1]) 1 |
|---|
| 694 | } |
|---|
| 695 | # "aqua", "macosx" and "x11" are special cases: |
|---|
| 696 | # "macosx" implies "unix", "aqua" implies "macosx" and "x11" |
|---|
| 697 | # implies "unix", so we need to be careful not to emit |
|---|
| 698 | # duplicate stubs entries: |
|---|
| 699 | if {($slot(unix) && $slot(macosx)) || ( |
|---|
| 700 | ($slot(unix) || $slot(macosx)) && |
|---|
| 701 | ($slot(x11) || $slot(aqua)))} { |
|---|
| 702 | puts stderr "conflicting platform entries: $name $i" |
|---|
| 703 | } |
|---|
| 704 | ## unix ## |
|---|
| 705 | set temp {} |
|---|
| 706 | set plat unix |
|---|
| 707 | if {!$slot(aqua) && !$slot(x11)} { |
|---|
| 708 | if {$slot($plat)} { |
|---|
| 709 | append temp [$slotProc $name $stubs($name,$plat,$i) $i] |
|---|
| 710 | } elseif {$onAll} { |
|---|
| 711 | eval {append temp} $skipString |
|---|
| 712 | } |
|---|
| 713 | } |
|---|
| 714 | if {$temp ne ""} { |
|---|
| 715 | append text [addPlatformGuard $plat $temp] |
|---|
| 716 | set emit 1 |
|---|
| 717 | } |
|---|
| 718 | ## x11 ## |
|---|
| 719 | set temp {} |
|---|
| 720 | set plat x11 |
|---|
| 721 | if {!$slot(unix) && !$slot(macosx)} { |
|---|
| 722 | if {$slot($plat)} { |
|---|
| 723 | append temp [$slotProc $name $stubs($name,$plat,$i) $i] |
|---|
| 724 | } elseif {$onAll} { |
|---|
| 725 | eval {append temp} $skipString |
|---|
| 726 | } |
|---|
| 727 | } |
|---|
| 728 | if {$temp ne ""} { |
|---|
| 729 | append text [addPlatformGuard $plat $temp] |
|---|
| 730 | set emit 1 |
|---|
| 731 | } |
|---|
| 732 | ## win ## |
|---|
| 733 | set temp {} |
|---|
| 734 | set plat win |
|---|
| 735 | if {$slot($plat)} { |
|---|
| 736 | append temp [$slotProc $name $stubs($name,$plat,$i) $i] |
|---|
| 737 | } elseif {$onAll} { |
|---|
| 738 | eval {append temp} $skipString |
|---|
| 739 | } |
|---|
| 740 | if {$temp ne ""} { |
|---|
| 741 | append text [addPlatformGuard $plat $temp] |
|---|
| 742 | set emit 1 |
|---|
| 743 | } |
|---|
| 744 | ## macosx ## |
|---|
| 745 | set temp {} |
|---|
| 746 | set plat macosx |
|---|
| 747 | if {!$slot(aqua) && !$slot(x11)} { |
|---|
| 748 | if {$slot($plat)} { |
|---|
| 749 | append temp [$slotProc $name $stubs($name,$plat,$i) $i] |
|---|
| 750 | } elseif {$slot(unix)} { |
|---|
| 751 | append temp [$slotProc $name $stubs($name,unix,$i) $i] |
|---|
| 752 | } elseif {$onAll} { |
|---|
| 753 | eval {append temp} $skipString |
|---|
| 754 | } |
|---|
| 755 | } |
|---|
| 756 | if {$temp ne ""} { |
|---|
| 757 | append text [addPlatformGuard $plat $temp] |
|---|
| 758 | set emit 1 |
|---|
| 759 | } |
|---|
| 760 | ## aqua ## |
|---|
| 761 | set temp {} |
|---|
| 762 | set plat aqua |
|---|
| 763 | if {!$slot(unix) && !$slot(macosx)} { |
|---|
| 764 | if {[string range $skipString 1 2] ne "/*"} { |
|---|
| 765 | # genStubs.tcl previously had a bug here causing it to |
|---|
| 766 | # erroneously generate both a unix entry and an aqua |
|---|
| 767 | # entry for a given stubs table slot. To preserve |
|---|
| 768 | # backwards compatibility, generate a dummy stubs entry |
|---|
| 769 | # before every aqua entry (note that this breaks the |
|---|
| 770 | # correspondence between emitted entry number and |
|---|
| 771 | # actual position of the entry in the stubs table, e.g. |
|---|
| 772 | # TkIntStubs entry 113 for aqua is in fact at position |
|---|
| 773 | # 114 in the table, entry 114 at position 116 etc). |
|---|
| 774 | eval {append temp} $skipString |
|---|
| 775 | set temp "[string range $temp 0 end-1] /*\ |
|---|
| 776 | Dummy entry for stubs table backwards\ |
|---|
| 777 | compatibility */\n" |
|---|
| 778 | } |
|---|
| 779 | if {$slot($plat)} { |
|---|
| 780 | append temp [$slotProc $name $stubs($name,$plat,$i) $i] |
|---|
| 781 | } elseif {$onAll} { |
|---|
| 782 | eval {append temp} $skipString |
|---|
| 783 | } |
|---|
| 784 | } |
|---|
| 785 | if {$temp ne ""} { |
|---|
| 786 | append text [addPlatformGuard $plat $temp] |
|---|
| 787 | set emit 1 |
|---|
| 788 | } |
|---|
| 789 | } |
|---|
| 790 | if {!$emit} { |
|---|
| 791 | eval {append text} $skipString |
|---|
| 792 | } |
|---|
| 793 | } |
|---|
| 794 | } else { |
|---|
| 795 | # Emit separate stubs blocks per platform |
|---|
| 796 | array set block {unix 0 x11 0 win 0 macosx 0 aqua 0} |
|---|
| 797 | foreach s [array names stubs $name,*,lastNum] { |
|---|
| 798 | set block([lindex [split $s ,] 1]) 1 |
|---|
| 799 | } |
|---|
| 800 | ## unix ## |
|---|
| 801 | if {$block(unix) && !$block(x11)} { |
|---|
| 802 | set temp {} |
|---|
| 803 | set plat unix |
|---|
| 804 | set lastNum $stubs($name,$plat,lastNum) |
|---|
| 805 | for {set i 0} {$i <= $lastNum} {incr i} { |
|---|
| 806 | if {[info exists stubs($name,$plat,$i)]} { |
|---|
| 807 | append temp [$slotProc $name $stubs($name,$plat,$i) $i] |
|---|
| 808 | } else { |
|---|
| 809 | eval {append temp} $skipString |
|---|
| 810 | } |
|---|
| 811 | } |
|---|
| 812 | append text [addPlatformGuard $plat $temp] |
|---|
| 813 | } |
|---|
| 814 | ## win ## |
|---|
| 815 | if {$block(win)} { |
|---|
| 816 | set temp {} |
|---|
| 817 | set plat win |
|---|
| 818 | set lastNum $stubs($name,$plat,lastNum) |
|---|
| 819 | for {set i 0} {$i <= $lastNum} {incr i} { |
|---|
| 820 | if {[info exists stubs($name,$plat,$i)]} { |
|---|
| 821 | append temp [$slotProc $name $stubs($name,$plat,$i) $i] |
|---|
| 822 | } else { |
|---|
| 823 | eval {append temp} $skipString |
|---|
| 824 | } |
|---|
| 825 | } |
|---|
| 826 | append text [addPlatformGuard $plat $temp] |
|---|
| 827 | } |
|---|
| 828 | ## macosx ## |
|---|
| 829 | if {$block(macosx) && !$block(aqua) && !$block(x11)} { |
|---|
| 830 | set temp {} |
|---|
| 831 | set lastNum -1 |
|---|
| 832 | foreach plat {unix macosx} { |
|---|
| 833 | if {$block($plat)} { |
|---|
| 834 | set lastNum [expr {$lastNum > $stubs($name,$plat,lastNum) |
|---|
| 835 | ? $lastNum : $stubs($name,$plat,lastNum)}] |
|---|
| 836 | } |
|---|
| 837 | } |
|---|
| 838 | for {set i 0} {$i <= $lastNum} {incr i} { |
|---|
| 839 | set emit 0 |
|---|
| 840 | foreach plat {unix macosx} { |
|---|
| 841 | if {[info exists stubs($name,$plat,$i)]} { |
|---|
| 842 | append temp [$slotProc $name $stubs($name,$plat,$i) $i] |
|---|
| 843 | set emit 1 |
|---|
| 844 | break |
|---|
| 845 | } |
|---|
| 846 | } |
|---|
| 847 | if {!$emit} { |
|---|
| 848 | eval {append temp} $skipString |
|---|
| 849 | } |
|---|
| 850 | } |
|---|
| 851 | append text [addPlatformGuard macosx $temp] |
|---|
| 852 | } |
|---|
| 853 | ## aqua ## |
|---|
| 854 | if {$block(aqua)} { |
|---|
| 855 | set temp {} |
|---|
| 856 | set lastNum -1 |
|---|
| 857 | foreach plat {unix macosx aqua} { |
|---|
| 858 | if {$block($plat)} { |
|---|
| 859 | set lastNum [expr {$lastNum > $stubs($name,$plat,lastNum) |
|---|
| 860 | ? $lastNum : $stubs($name,$plat,lastNum)}] |
|---|
| 861 | } |
|---|
| 862 | } |
|---|
| 863 | for {set i 0} {$i <= $lastNum} {incr i} { |
|---|
| 864 | set emit 0 |
|---|
| 865 | foreach plat {unix macosx aqua} { |
|---|
| 866 | if {[info exists stubs($name,$plat,$i)]} { |
|---|
| 867 | append temp [$slotProc $name $stubs($name,$plat,$i) $i] |
|---|
| 868 | set emit 1 |
|---|
| 869 | break |
|---|
| 870 | } |
|---|
| 871 | } |
|---|
| 872 | if {!$emit} { |
|---|
| 873 | eval {append temp} $skipString |
|---|
| 874 | } |
|---|
| 875 | } |
|---|
| 876 | append text [addPlatformGuard aqua $temp] |
|---|
| 877 | } |
|---|
| 878 | ## x11 ## |
|---|
| 879 | if {$block(x11)} { |
|---|
| 880 | set temp {} |
|---|
| 881 | set lastNum -1 |
|---|
| 882 | foreach plat {unix macosx x11} { |
|---|
| 883 | if {$block($plat)} { |
|---|
| 884 | set lastNum [expr {$lastNum > $stubs($name,$plat,lastNum) |
|---|
| 885 | ? $lastNum : $stubs($name,$plat,lastNum)}] |
|---|
| 886 | } |
|---|
| 887 | } |
|---|
| 888 | for {set i 0} {$i <= $lastNum} {incr i} { |
|---|
| 889 | set emit 0 |
|---|
| 890 | foreach plat {unix macosx x11} { |
|---|
| 891 | if {[info exists stubs($name,$plat,$i)]} { |
|---|
| 892 | if {$plat ne "macosx"} { |
|---|
| 893 | append temp [$slotProc $name \ |
|---|
| 894 | $stubs($name,$plat,$i) $i] |
|---|
| 895 | } else { |
|---|
| 896 | eval {set etxt} $skipString |
|---|
| 897 | append temp [addPlatformGuard $plat [$slotProc \ |
|---|
| 898 | $name $stubs($name,$plat,$i) $i] $etxt] |
|---|
| 899 | } |
|---|
| 900 | set emit 1 |
|---|
| 901 | break |
|---|
| 902 | } |
|---|
| 903 | } |
|---|
| 904 | if {!$emit} { |
|---|
| 905 | eval {append temp} $skipString |
|---|
| 906 | } |
|---|
| 907 | } |
|---|
| 908 | append text [addPlatformGuard x11 $temp] |
|---|
| 909 | } |
|---|
| 910 | } |
|---|
| 911 | } |
|---|
| 912 | |
|---|
| 913 | # genStubs::emitDeclarations -- |
|---|
| 914 | # |
|---|
| 915 | # This function emits the function declarations for this interface. |
|---|
| 916 | # |
|---|
| 917 | # Arguments: |
|---|
| 918 | # name The interface name. |
|---|
| 919 | # textVar The variable to use for output. |
|---|
| 920 | # |
|---|
| 921 | # Results: |
|---|
| 922 | # None. |
|---|
| 923 | |
|---|
| 924 | proc genStubs::emitDeclarations {name textVar} { |
|---|
| 925 | variable stubs |
|---|
| 926 | upvar $textVar text |
|---|
| 927 | |
|---|
| 928 | append text "\n/*\n * Exported function declarations:\n */\n\n" |
|---|
| 929 | forAllStubs $name makeDecl 0 text |
|---|
| 930 | return |
|---|
| 931 | } |
|---|
| 932 | |
|---|
| 933 | # genStubs::emitMacros -- |
|---|
| 934 | # |
|---|
| 935 | # This function emits the inline macros for an interface. |
|---|
| 936 | # |
|---|
| 937 | # Arguments: |
|---|
| 938 | # name The name of the interface being emitted. |
|---|
| 939 | # textVar The variable to use for output. |
|---|
| 940 | # |
|---|
| 941 | # Results: |
|---|
| 942 | # None. |
|---|
| 943 | |
|---|
| 944 | proc genStubs::emitMacros {name textVar} { |
|---|
| 945 | variable stubs |
|---|
| 946 | variable libraryName |
|---|
| 947 | upvar $textVar text |
|---|
| 948 | |
|---|
| 949 | set upName [string toupper $libraryName] |
|---|
| 950 | append text "\n#if defined(USE_${upName}_STUBS) &&\ |
|---|
| 951 | !defined(USE_${upName}_STUB_PROCS)\n" |
|---|
| 952 | append text "\n/*\n * Inline function declarations:\n */\n\n" |
|---|
| 953 | |
|---|
| 954 | forAllStubs $name makeMacro 0 text |
|---|
| 955 | |
|---|
| 956 | append text "\n#endif /* defined(USE_${upName}_STUBS) &&\ |
|---|
| 957 | !defined(USE_${upName}_STUB_PROCS) */\n" |
|---|
| 958 | return |
|---|
| 959 | } |
|---|
| 960 | |
|---|
| 961 | # genStubs::emitHeader -- |
|---|
| 962 | # |
|---|
| 963 | # This function emits the body of the <name>Decls.h file for |
|---|
| 964 | # the specified interface. |
|---|
| 965 | # |
|---|
| 966 | # Arguments: |
|---|
| 967 | # name The name of the interface being emitted. |
|---|
| 968 | # |
|---|
| 969 | # Results: |
|---|
| 970 | # None. |
|---|
| 971 | |
|---|
| 972 | proc genStubs::emitHeader {name} { |
|---|
| 973 | variable outDir |
|---|
| 974 | variable hooks |
|---|
| 975 | |
|---|
| 976 | set capName [string toupper [string index $name 0]] |
|---|
| 977 | append capName [string range $name 1 end] |
|---|
| 978 | |
|---|
| 979 | emitDeclarations $name text |
|---|
| 980 | |
|---|
| 981 | if {[info exists hooks($name)]} { |
|---|
| 982 | append text "\ntypedef struct ${capName}StubHooks {\n" |
|---|
| 983 | foreach hook $hooks($name) { |
|---|
| 984 | set capHook [string toupper [string index $hook 0]] |
|---|
| 985 | append capHook [string range $hook 1 end] |
|---|
| 986 | append text " struct ${capHook}Stubs *${hook}Stubs;\n" |
|---|
| 987 | } |
|---|
| 988 | append text "} ${capName}StubHooks;\n" |
|---|
| 989 | } |
|---|
| 990 | append text "\ntypedef struct ${capName}Stubs {\n" |
|---|
| 991 | append text " int magic;\n" |
|---|
| 992 | append text " struct ${capName}StubHooks *hooks;\n\n" |
|---|
| 993 | |
|---|
| 994 | emitSlots $name text |
|---|
| 995 | |
|---|
| 996 | append text "} ${capName}Stubs;\n" |
|---|
| 997 | |
|---|
| 998 | append text "\n#ifdef __cplusplus\nextern \"C\" {\n#endif\n" |
|---|
| 999 | append text "extern ${capName}Stubs *${name}StubsPtr;\n" |
|---|
| 1000 | append text "#ifdef __cplusplus\n}\n#endif\n" |
|---|
| 1001 | |
|---|
| 1002 | emitMacros $name text |
|---|
| 1003 | |
|---|
| 1004 | rewriteFile [file join $outDir ${name}Decls.h] $text |
|---|
| 1005 | return |
|---|
| 1006 | } |
|---|
| 1007 | |
|---|
| 1008 | # genStubs::emitStubs -- |
|---|
| 1009 | # |
|---|
| 1010 | # This function emits the body of the <name>Stubs.c file for |
|---|
| 1011 | # the specified interface. |
|---|
| 1012 | # |
|---|
| 1013 | # Arguments: |
|---|
| 1014 | # name The name of the interface being emitted. |
|---|
| 1015 | # |
|---|
| 1016 | # Results: |
|---|
| 1017 | # None. |
|---|
| 1018 | |
|---|
| 1019 | proc genStubs::emitStubs {name} { |
|---|
| 1020 | variable outDir |
|---|
| 1021 | |
|---|
| 1022 | append text "\n/*\n * Exported stub functions:\n */\n\n" |
|---|
| 1023 | forAllStubs $name makeStub 0 text |
|---|
| 1024 | |
|---|
| 1025 | rewriteFile [file join $outDir ${name}Stubs.c] $text |
|---|
| 1026 | return |
|---|
| 1027 | } |
|---|
| 1028 | |
|---|
| 1029 | # genStubs::emitInit -- |
|---|
| 1030 | # |
|---|
| 1031 | # Generate the table initializers for an interface. |
|---|
| 1032 | # |
|---|
| 1033 | # Arguments: |
|---|
| 1034 | # name The name of the interface to initialize. |
|---|
| 1035 | # textVar The variable to use for output. |
|---|
| 1036 | # |
|---|
| 1037 | # Results: |
|---|
| 1038 | # Returns the formatted output. |
|---|
| 1039 | |
|---|
| 1040 | proc genStubs::emitInit {name textVar} { |
|---|
| 1041 | variable stubs |
|---|
| 1042 | variable hooks |
|---|
| 1043 | upvar $textVar text |
|---|
| 1044 | |
|---|
| 1045 | set capName [string toupper [string index $name 0]] |
|---|
| 1046 | append capName [string range $name 1 end] |
|---|
| 1047 | |
|---|
| 1048 | if {[info exists hooks($name)]} { |
|---|
| 1049 | append text "\nstatic ${capName}StubHooks ${name}StubHooks = \{\n" |
|---|
| 1050 | set sep " " |
|---|
| 1051 | foreach sub $hooks($name) { |
|---|
| 1052 | append text $sep "&${sub}Stubs" |
|---|
| 1053 | set sep ",\n " |
|---|
| 1054 | } |
|---|
| 1055 | append text "\n\};\n" |
|---|
| 1056 | } |
|---|
| 1057 | append text "\n${capName}Stubs ${name}Stubs = \{\n" |
|---|
| 1058 | append text " TCL_STUB_MAGIC,\n" |
|---|
| 1059 | if {[info exists hooks($name)]} { |
|---|
| 1060 | append text " &${name}StubHooks,\n" |
|---|
| 1061 | } else { |
|---|
| 1062 | append text " NULL,\n" |
|---|
| 1063 | } |
|---|
| 1064 | |
|---|
| 1065 | forAllStubs $name makeInit 1 text {" NULL, /* $i */\n"} |
|---|
| 1066 | |
|---|
| 1067 | append text "\};\n" |
|---|
| 1068 | return |
|---|
| 1069 | } |
|---|
| 1070 | |
|---|
| 1071 | # genStubs::emitInits -- |
|---|
| 1072 | # |
|---|
| 1073 | # This function emits the body of the <name>StubInit.c file for |
|---|
| 1074 | # the specified interface. |
|---|
| 1075 | # |
|---|
| 1076 | # Arguments: |
|---|
| 1077 | # name The name of the interface being emitted. |
|---|
| 1078 | # |
|---|
| 1079 | # Results: |
|---|
| 1080 | # None. |
|---|
| 1081 | |
|---|
| 1082 | proc genStubs::emitInits {} { |
|---|
| 1083 | variable hooks |
|---|
| 1084 | variable outDir |
|---|
| 1085 | variable libraryName |
|---|
| 1086 | variable interfaces |
|---|
| 1087 | |
|---|
| 1088 | # Assuming that dependencies only go one level deep, we need to emit |
|---|
| 1089 | # all of the leaves first to avoid needing forward declarations. |
|---|
| 1090 | |
|---|
| 1091 | set leaves {} |
|---|
| 1092 | set roots {} |
|---|
| 1093 | foreach name [lsort [array names interfaces]] { |
|---|
| 1094 | if {[info exists hooks($name)]} { |
|---|
| 1095 | lappend roots $name |
|---|
| 1096 | } else { |
|---|
| 1097 | lappend leaves $name |
|---|
| 1098 | } |
|---|
| 1099 | } |
|---|
| 1100 | foreach name $leaves { |
|---|
| 1101 | emitInit $name text |
|---|
| 1102 | } |
|---|
| 1103 | foreach name $roots { |
|---|
| 1104 | emitInit $name text |
|---|
| 1105 | } |
|---|
| 1106 | |
|---|
| 1107 | rewriteFile [file join $outDir ${libraryName}StubInit.c] $text |
|---|
| 1108 | } |
|---|
| 1109 | |
|---|
| 1110 | # genStubs::init -- |
|---|
| 1111 | # |
|---|
| 1112 | # This is the main entry point. |
|---|
| 1113 | # |
|---|
| 1114 | # Arguments: |
|---|
| 1115 | # None. |
|---|
| 1116 | # |
|---|
| 1117 | # Results: |
|---|
| 1118 | # None. |
|---|
| 1119 | |
|---|
| 1120 | proc genStubs::init {} { |
|---|
| 1121 | global argv argv0 |
|---|
| 1122 | variable outDir |
|---|
| 1123 | variable interfaces |
|---|
| 1124 | |
|---|
| 1125 | if {[llength $argv] < 2} { |
|---|
| 1126 | puts stderr "usage: $argv0 outDir declFile ?declFile...?" |
|---|
| 1127 | exit 1 |
|---|
| 1128 | } |
|---|
| 1129 | |
|---|
| 1130 | set outDir [lindex $argv 0] |
|---|
| 1131 | |
|---|
| 1132 | foreach file [lrange $argv 1 end] { |
|---|
| 1133 | source $file |
|---|
| 1134 | } |
|---|
| 1135 | |
|---|
| 1136 | foreach name [lsort [array names interfaces]] { |
|---|
| 1137 | puts "Emitting $name" |
|---|
| 1138 | emitHeader $name |
|---|
| 1139 | } |
|---|
| 1140 | |
|---|
| 1141 | emitInits |
|---|
| 1142 | } |
|---|
| 1143 | |
|---|
| 1144 | # lassign -- |
|---|
| 1145 | # |
|---|
| 1146 | # This function emulates the TclX lassign command. |
|---|
| 1147 | # |
|---|
| 1148 | # Arguments: |
|---|
| 1149 | # valueList A list containing the values to be assigned. |
|---|
| 1150 | # args The list of variables to be assigned. |
|---|
| 1151 | # |
|---|
| 1152 | # Results: |
|---|
| 1153 | # Returns any values that were not assigned to variables. |
|---|
| 1154 | |
|---|
| 1155 | if {[string length [namespace which lassign]] == 0} { |
|---|
| 1156 | proc lassign {valueList args} { |
|---|
| 1157 | if {[llength $args] == 0} { |
|---|
| 1158 | error "wrong # args: lassign list varname ?varname..?" |
|---|
| 1159 | } |
|---|
| 1160 | uplevel [list foreach $args $valueList {break}] |
|---|
| 1161 | return [lrange $valueList [llength $args] end] |
|---|
| 1162 | } |
|---|
| 1163 | } |
|---|
| 1164 | |
|---|
| 1165 | genStubs::init |
|---|