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Fixed bug in handling of #else statements matching an #if statement that could

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be evaluated partially.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@2265 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2010-09-25 09:16:26 +00:00
parent e10b167288
commit e99d621185
1 changed files with 7 additions and 8 deletions
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15
scripts/specialize-patch
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@@ -30,7 +30,7 @@
# Convert a kernel version in the x.y.z format into numeric form, just like
# the KERNEL_VERSION() macro.
function version_code(kver) {
function version_code(kver, array) {
match(kver, "([0-9]+).([0-9]+).([0-9]+)", array)
return 65536*array[1] + 256*array[2] + array[3]
}
@@ -41,7 +41,7 @@ function version_code(kver) {
# Note: the order in which the substitutions appear below is important --
# it is the same order as the order of operators in C.
function evaluate(stmnt) {
function evaluate(stmnt, pattern, arg, op) {
if (debug)
printf "/* debug specialize-patch: (a) %s */\n", stmnt
@@ -189,10 +189,10 @@ function evaluate(stmnt) {
sub(pattern, (op[1] != 0) && (op[2] != 0), stmnt)
}
pattern="([01]) *\\&\\& *(!* *defined *\\( *[A-Za-z_]* *\\))"
pattern="^+#if *([01]) *\\&\\& *(!* *defined *\\( *[A-Za-z_]* *\\))$"
while (match(stmnt, pattern, op) != 0)
{
sub(pattern, op[1] != 0 ? op[2] : op[1], stmnt)
stmnt = "+#if " (op[1] != 0 ? op[2] : op[1])
}
pattern="(-*[0-9]+) *\\|\\| *(-*[0-9]+)"
@@ -201,10 +201,10 @@ function evaluate(stmnt) {
sub(pattern, (op[1] != 0) || (op[2] != 0), stmnt)
}
pattern="([01]) *\\|\\| *(!* *defined *\\( *[A-Za-z_]* *\\))"
pattern="^+#if *([01]) *\\|\\| *(!* *defined *\\( *[A-Za-z_]* *\\))$"
while (match(stmnt, pattern, op) != 0)
{
sub(pattern, op[1] == 0 ? op[2] : op[1], stmnt)
stmnt = "+#if " (op[1] == 0 ? op[2] : op[1])
}
pattern="\\((-*[0-9]+)\\)"
@@ -224,8 +224,7 @@ function evaluate(stmnt) {
# Evaluate ! stmnt
function invert(stmnt) {
sub("^+#if ", "+#if ! ", stmnt)
return evaluate(stmnt)
return evaluate(gensub("^+#if (.*)$", "+#if ! (\\1)", "g", stmnt))
}