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scripts/specialize-patch: Remove #elif 0 sections from the output

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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3807 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2011-08-16 07:47:32 +00:00
parent 49147b3d8d
commit 803bae6fb8
1 changed files with 26 additions and 5 deletions
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31
scripts/specialize-patch
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@@ -196,6 +196,18 @@ function evaluate(stmnt, pattern, arg, op, result) {
stmnt = "+#if " (op[1] != 0 ? op[2] : op[1])
}
pattern="^+#if[ ]*(!*[ ]*defined[ ]*\\([ ]*[A-Za-z_]*[ ]*\\))\\&\\&[ ]*([01])[ ]*$"
while (match(stmnt, pattern, op) != 0)
{
stmnt = "+#if " (op[2] != 0 ? op[1] : op[2])
}
pattern="^+#if[ ]*(!*[ ]*[A-Za-z_]*[ ]*)\\&\\&[ ]*([01])[ ]*$"
while (match(stmnt, pattern, op) != 0)
{
stmnt = "+#if " (op[2] != 0 ? op[1] : op[2])
}
pattern="(-*[0-9]+)[ ]*\\|\\|[ ]*(-*[0-9]+)"
while (match(stmnt, pattern, op) != 0)
{
@@ -254,7 +266,8 @@ function handle_if(evaluated)
|| ($0 ~ "SCST_IO_CONTEXT" && SCST_IO_CONTEXT != ""))
{
#print $0 " -> " evaluated
$0 = evaluated
input_line_count = 1
input_line[0] = evaluated
}
else
{
@@ -328,11 +341,12 @@ function process_preprocessor_statement(evaluated, condition) {
{
output = 1
for (i = if_nesting_level; i >= 0; i--)
{
output = output && decision[i] != "+#if 0"
}
output = output && decision[i] != "+#if 0" && decision[i] != "+#elif 0"
if (output)
any_section_output[if_nesting_level] = 1
if (debug)
printf "/* debug specialize-patch: (g) %s: output = %d */\n", \
evaluated, output
}
if (evaluated ~ "^+#define SCSI_EXEC_REQ_FIFO_DEFINED$" \
&& SCSI_EXEC_REQ_FIFO_DEFINED != "" \
@@ -344,7 +358,9 @@ function process_preprocessor_statement(evaluated, condition) {
discard = 1
delete_next_blank_line = 1
}
else if (output && (! condition || condition && matching_if !~ "^+#if [01]"))
else if (output && (! condition \
|| condition && matching_if !~ "^+#if [01]" \
&& matching_if !~ "^+#elif [01]"))
{
for (i = 0; i < input_line_count; i++)
line[lines++] = input_line[i]
@@ -518,3 +534,8 @@ END {
# Dump processed contents of the last read hunk.
dump_lines()
}
# Local variables:
# indent-tabs-mode: nil
# c-basic-offset: 2
# End: