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-rw-r--r--tools/genStubs.tcl73
1 files changed, 69 insertions, 4 deletions
diff --git a/tools/genStubs.tcl b/tools/genStubs.tcl
index 93a3669..b43423d 100644
--- a/tools/genStubs.tcl
+++ b/tools/genStubs.tcl
@@ -33,6 +33,22 @@ namespace eval genStubs {
variable curName "UNKNOWN"
+ # scspec --
+ #
+ # Storage class specifier for external function declarations.
+ # Normally "EXTERN", may be set to something like XYZAPI
+ #
+ variable scspec "EXTERN"
+
+ # epoch, revision --
+ #
+ # The epoch and revision numbers of the interface currently being defined.
+ # (@@@TODO: should be an array mapping interface names -> numbers)
+ #
+
+ variable epoch {}
+ variable revision 0
+
# hooks --
#
# An array indexed by interface name that contains the set of
@@ -94,6 +110,27 @@ proc genStubs::interface {name} {
return
}
+# genStubs::scspec --
+#
+# Define the storage class macro used for external function declarations.
+# Typically, this will be a macro like XYZAPI or EXTERN that
+# expands to either DLLIMPORT or DLLEXPORT, depending on whether
+# -DBUILD_XYZ has been set.
+#
+proc genStubs::scspec {value} {
+ variable scspec $value
+}
+
+# genStubs::epoch --
+#
+# Define the epoch number for this library. The epoch
+# should be incrememented when a release is made that
+# contains incompatible changes to the public API.
+#
+proc genStubs::epoch {value} {
+ variable epoch $value
+}
+
# genStubs::hooks --
#
# This function defines the subinterface hooks for the current
@@ -132,7 +169,9 @@ proc genStubs::hooks {names} {
proc genStubs::declare {args} {
variable stubs
variable curName
+ variable revision
+ incr revision
if {[llength $args] == 2} {
lassign $args index decl
set platformList generic
@@ -246,14 +285,14 @@ proc genStubs::addPlatformGuard {plat iftxt {eltxt {}}} {
set text ""
switch $plat {
win {
- append text "#ifdef __WIN32__ /* WIN */\n${iftxt}"
+ append text "#if defined(__WIN32__) || defined(__CYGWIN__) /* WIN */\n${iftxt}"
if {$eltxt ne ""} {
append text "#else /* WIN */\n${eltxt}"
}
append text "#endif /* WIN */\n"
}
unix {
- append text "#if !defined(__WIN32__) && !defined(MAC_OSX_TCL)\
+ append text "#if !defined(__WIN32__) && !defined(__CYGWIN__) && !defined(MAC_OSX_TCL)\
/* UNIX */\n${iftxt}"
if {$eltxt ne ""} {
append text "#else /* UNIX */\n${eltxt}"
@@ -275,7 +314,7 @@ proc genStubs::addPlatformGuard {plat iftxt {eltxt {}}} {
append text "#endif /* AQUA */\n"
}
x11 {
- append text "#if !(defined(__WIN32__) || defined(MAC_OSX_TK))\
+ append text "#if !(defined(__WIN32__) || defined(__CYGWIN__) || defined(MAC_OSX_TK))\
/* X11 */\n${iftxt}"
if {$eltxt ne ""} {
append text "#else /* X11 */\n${eltxt}"
@@ -407,13 +446,14 @@ proc genStubs::parseArg {arg} {
# Returns the formatted declaration string.
proc genStubs::makeDecl {name decl index} {
+ variable scspec
lassign $decl rtype fname args
append text "/* $index */\n"
if {$rtype != "void"} {
regsub -all void $rtype VOID rtype
}
- set line "EXTERN $rtype"
+ set line "$scspec $rtype"
set count [expr {2 - ([string length $line] / 8)}]
append line [string range "\t\t\t" 0 $count]
set pad [expr {24 - [string length $line]}]
@@ -421,6 +461,12 @@ proc genStubs::makeDecl {name decl index} {
append line " "
set pad 0
}
+ if {$args eq ""} {
+ append line $fname
+ append text $line
+ append text ";\n"
+ return $text
+ }
if {$args == ""} {
append line $fname
append text $line
@@ -926,10 +972,19 @@ proc genStubs::emitMacros {name textVar} {
proc genStubs::emitHeader {name} {
variable outDir
variable hooks
+ variable epoch
+ variable revision
set capName [string toupper [string index $name 0]]
append capName [string range $name 1 end]
+ if {$epoch != ""} {
+ set CAPName [string toupper $name]
+ append text "\n"
+ append text "#define ${CAPName}_STUBS_EPOCH $epoch\n"
+ append text "#define ${CAPName}_STUBS_REVISION $revision\n"
+ }
+
emitDeclarations $name text
if {[info exists hooks($name)]} {
@@ -943,6 +998,10 @@ proc genStubs::emitHeader {name} {
}
append text "\ntypedef struct ${capName}Stubs {\n"
append text " int magic;\n"
+ if {$epoch != ""} {
+ append text " int epoch;\n"
+ append text " int revision;\n"
+ }
append text " struct ${capName}StubHooks *hooks;\n\n"
emitSlots $name text
@@ -972,6 +1031,7 @@ proc genStubs::emitHeader {name} {
proc genStubs::emitInit {name textVar} {
variable hooks
+ variable epoch
upvar $textVar text
set capName [string toupper [string index $name 0]]
@@ -988,6 +1048,11 @@ proc genStubs::emitInit {name textVar} {
}
append text "\n${capName}Stubs ${name}Stubs = \{\n"
append text " TCL_STUB_MAGIC,\n"
+ if {$epoch != ""} {
+ set CAPName [string toupper $name]
+ append text " ${CAPName}_STUBS_EPOCH,\n"
+ append text " ${CAPName}_STUBS_REVISION,\n"
+ }
if {[info exists hooks($name)]} {
append text " &${name}StubHooks,\n"
} else {