diff options
Diffstat (limited to 'tools/genStubs.tcl')
| -rw-r--r-- | tools/genStubs.tcl | 196 |
1 files changed, 92 insertions, 104 deletions
diff --git a/tools/genStubs.tcl b/tools/genStubs.tcl index 38b958f..1e67f94 100644 --- a/tools/genStubs.tcl +++ b/tools/genStubs.tcl @@ -8,7 +8,7 @@ # See the file "license.terms" for information on usage and redistribution # of this file, and for a DISCLAIMER OF ALL WARRANTIES. # -# RCS: @(#) $Id: genStubs.tcl,v 1.1 1999/03/03 00:38:45 stanton Exp $ +# RCS: @(#) $Id: genStubs.tcl,v 1.2 1999/03/10 05:52:51 stanton Exp $ namespace eval genStubs { # libraryName -- @@ -214,7 +214,7 @@ proc genStubs::addPlatformGuard {plat text} { return "#ifdef __WIN32__\n${text}#endif /* __WIN32__ */\n" } unix { - return "#if !defined(__WIN32__) && !defined(MAC_TCL)\n${text}#endif /* UNIX */\n" + return "#if !defined(__WIN32__) && !defined(MAC_TCL) /* UNIX */\n${text}#endif /* UNIX */\n" } mac { return "#ifdef MAC_TCL\n${text}#endif /* MAC_TCL */\n" @@ -226,8 +226,8 @@ proc genStubs::addPlatformGuard {plat text} { # genStubs::emitSlots -- # # Generate the stub table slots for the given interface. If there -# are no platform specific slots, then one table is generated for -# all platforms, otherwise one table is generated for each platform. +# are no generic slots, then one table is generated for each +# platform, otherwise one table is generated for all platforms. # # Arguments: # name The name of the interface being emitted. @@ -240,43 +240,7 @@ proc genStubs::emitSlots {name textVar} { variable stubs upvar $textVar text - set lastNum -1 - if {[info exists stubs($name,generic,lastNum)]} { - set lastNum $stubs($name,generic,lastNum) - } - set output 0 - foreach plat {win unix mac} { - if {[info exists stubs($name,$plat,lastNum)]} { - set num $stubs($name,$plat,lastNum) - if {$num < $lastNum} { - set num $lastNum - } - set temp "" - for {set i 0} {$i <= $num} {incr i} { - if {[info exists stubs($name,$plat,$i)]} { - if {[info exists stubs($name,generic,$i)]} { - puts stderr "platform entry duplicates generic entry: $i" - } - append temp [makeSlot $stubs($name,$plat,$i) $i] - } elseif {[info exists stubs($name,generic,$i)]} { - append temp [makeSlot $stubs($name,generic,$i) $i] - } else { - append temp " void *reserved$i;\n" - } - } - append text [addPlatformGuard $plat $temp] - set output 1 - } - } - if {!$output} { - for {set i 0} {$i <= $lastNum} {incr i} { - if {[info exists stubs($name,generic,$i)]} { - append text [makeSlot $stubs($name,generic,$i) $i] - } else { - append text " void *reserved$i;\n" - } - } - } + forAllStubs $name makeSlot 1 text {" void *reserved$i;\n"} return } @@ -532,13 +496,14 @@ proc genStubs::makeStub {name decl index} { # Generate the stub table entry for a function. # # Arguments: +# name The interface name. # decl The function declaration. # index The slot index for this function. # # Results: # Returns the formatted table entry. -proc genStubs::makeSlot {decl index} { +proc genStubs::makeSlot {name decl index} { lassign $decl rtype fname args set lfname [string tolower [string index $fname 0]] @@ -571,6 +536,23 @@ proc genStubs::makeSlot {decl index} { return $text } +# genStubs::makeInit -- +# +# Generate the prototype for a function. +# +# Arguments: +# name The interface name. +# decl The function declaration. +# index The slot index for this function. +# +# Results: +# Returns the formatted declaration string. + +proc genStubs::makeInit {name decl index} { + append text " " [lindex $decl 1] ", /* " $index " */\n" + return $text +} + # genStubs::forAllStubs -- # # This function iterates over all of the platforms and invokes @@ -582,29 +564,74 @@ proc genStubs::makeSlot {decl index} { # slotProc The proc to invoke to handle the slot. It will # have the interface name, the declaration, and # the index appended. +# onAll If 1, emit the skip string even if there are +# definitions for one or more platforms. # textVar The variable to use for output. +# skipString The string to emit if a slot is skipped. This +# string will be subst'ed in the loop so "$i" can +# be used to substitute the index value. # # Results: # None. -proc genStubs::forAllStubs {name slotProc textVar} { +proc genStubs::forAllStubs {name slotProc onAll textVar \ + {skipString {"/* Slot $i is reserved */\n"}}} { variable stubs upvar $textVar text - foreach plat {generic win unix mac} { - if {[info exists stubs($name,$plat,lastNum)]} { - set lastNum $stubs($name,$plat,lastNum) - set temp {} - for {set i 0} {$i <= $lastNum} {incr i} { - if {![info exists stubs($name,$plat,$i)]} { - append temp "/* Slot $i is reserved */\n" - } else { - append temp [$slotProc $name $stubs($name,$plat,$i) $i] + set plats [array names stubs $name,*,lastNum] + if {[info exists stubs($name,generic,lastNum)]} { + # Emit integrated stubs block + set lastNum -1 + foreach plat [array names stubs $name,*,lastNum] { + if {$stubs($plat) > $lastNum} { + set lastNum $stubs($plat) + } + } + for {set i 0} {$i <= $lastNum} {incr i} { + set slots [array names stubs $name,*,$i] + set emit 0 + if {[info exists stubs($name,generic,$i)]} { + if {[llength $slots] > 1} { + puts stderr "platform entry duplicates generic entry: $i" + } + append text [$slotProc $name $stubs($name,generic,$i) $i] + set emit 1 + } elseif {[llength $slots] > 0} { + foreach plat {unix win mac} { + if {[info exists stubs($name,$plat,$i)]} { + append text [addPlatformGuard $plat \ + [$slotProc $name $stubs($name,$plat,$i) $i]] + set emit 1 + } elseif {$onAll} { + append text [eval {addPlatformGuard $plat} $skipString] + set emit 1 + } + } + } + if {$emit == 0} { + eval {append text} $skipString + } + } + + } else { + # Emit separate stubs blocks per platform + foreach plat {unix win mac} { + if {[info exists stubs($name,$plat,lastNum)]} { + set lastNum $stubs($name,$plat,lastNum) + set temp {} + for {set i 0} {$i <= $lastNum} {incr i} { + if {![info exists stubs($name,$plat,$i)]} { + eval {append temp} $skipString + } else { + append temp [$slotProc $name $stubs($name,$plat,$i) $i] + } } + append text [addPlatformGuard $plat $temp] } - append text [addPlatformGuard $plat $temp] } } + } # genStubs::emitDeclarations -- @@ -623,7 +650,7 @@ proc genStubs::emitDeclarations {name textVar} { upvar $textVar text append text "\n/*\n * Exported function declarations:\n */\n\n" - forAllStubs $name makeDecl text + forAllStubs $name makeDecl 0 text return } @@ -647,7 +674,7 @@ proc genStubs::emitMacros {name textVar} { append text "\n#if defined(USE_${upName}_STUBS) && !defined(USE_${upName}_STUB_PROCS)\n" append text "\n/*\n * Inline function declarations:\n */\n\n" - forAllStubs $name makeMacro text + forAllStubs $name makeMacro 0 text append text "\n#endif /* defined(USE_${upName}_STUBS) && !defined(USE_${upName}_STUB_PROCS) */\n" return @@ -713,13 +740,13 @@ proc genStubs::emitStubs {name} { variable outDir append text "\n/*\n * Exported stub functions:\n */\n\n" - forAllStubs $name makeStub text + forAllStubs $name makeStub 0 text rewriteFile [file join $outDir ${name}Stubs.c] $text return } -# genStubs::makeInit -- +# genStubs::emitInit -- # # Generate the table initializers for an interface. # @@ -730,7 +757,7 @@ proc genStubs::emitStubs {name} { # Results: # Returns the formatted output. -proc genStubs::makeInit {name textVar} { +proc genStubs::emitInit {name textVar} { variable stubs variable hooks upvar $textVar text @@ -749,53 +776,14 @@ proc genStubs::makeInit {name textVar} { append text " NULL,\n" } - set lastNum -1 - if {[info exists stubs($name,generic,lastNum)]} { - set lastNum $stubs($name,generic,lastNum) - } - set output 0 - foreach plat {win unix mac} { - if {[info exists stubs($name,$plat,lastNum)]} { - set num $stubs($name,$plat,lastNum) - if {$num < $lastNum} { - set num $lastNum - } - set temp "" - for {set i 0} {$i <= $num} {incr i} { - append temp " " - if {[info exists stubs($name,$plat,$i)]} { - if {[info exists stubs($name,generic,$i)]} { - puts stderr "platform entry duplicates generic entry: $i" - } - append temp [lindex $stubs($name,$plat,$i) 1] - } elseif {[info exists stubs($name,generic,$i)]} { - append temp [lindex $stubs($name,generic,$i) 1] - } else { - append temp "NULL" - } - append temp ", /* $i */\n" - } - append text [addPlatformGuard $plat $temp] - set output 1 - } - } - if {!$output} { - for {set i 0} {$i <= $lastNum} {incr i} { - append text " " - if {[info exists stubs($name,generic,$i)]} { - append text [lindex $stubs($name,generic,$i) 1] - } else { - append text "NULL" - } - append text ", /* $i */\n" - } - } + forAllStubs $name makeInit 1 text {" NULL, /* $i */\n"} + append text "\};\n\n" - append text "extern ${capName}Stubs *${name}StubsPtr = &${name}Stubs;\n" + append text "${capName}Stubs *${name}StubsPtr = &${name}Stubs;\n" return } -# genStubs::emitInit -- +# genStubs::emitInits -- # # This function emits the body of the <name>StubInit.c file for # the specified interface. @@ -806,14 +794,14 @@ proc genStubs::makeInit {name textVar} { # Results: # None. -proc genStubs::emitInit {} { +proc genStubs::emitInits {} { variable hooks variable outDir variable libraryName variable interfaces foreach name [lsort [array names interfaces]] { - makeInit $name text + emitInit $name text } @@ -865,7 +853,7 @@ proc genStubs::init {} { emitStubs $name } - emitInit + emitInits } # lassign -- |