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scripts/specialize-patch: Update comments next to #else and #endif directives.

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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3809 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2011-08-16 11:26:59 +00:00
parent 8f48d8d7e9
commit 9455613488
1 changed files with 37 additions and 3 deletions
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scripts/specialize-patch
+37 -3
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@@ -311,9 +311,11 @@ function handle_if(evaluated)
function process_preprocessor_statement(evaluated, condition) {
evaluated = evaluate($0)
condition = 1
ei = evaluated_if_stmnt[if_nesting_level];
if (evaluated ~ "^+#if")
{
if_nesting_level++
evaluated_if_stmnt[if_nesting_level] = evaluated
evaluated = handle_if(evaluated)
}
else if (evaluated ~ "^+#elif")
@@ -337,12 +339,15 @@ function process_preprocessor_statement(evaluated, condition) {
if (condition)
{
output = 1
for (i = if_nesting_level; i >= 0; i--)
for (i = if_nesting_level; i >= 0; i--) {
printf "/* debug specialize-patch: (g1) %s: decision[%d] = %s */\n", \
evaluated, i, decision[i]
output = output && decision[i] != "+#if 0" && decision[i] != "+#elif 0"
}
if (output)
any_section_output[if_nesting_level] = 1
if (debug)
printf "/* debug specialize-patch: (g) %s: output = %d */\n", \
printf "/* debug specialize-patch: (g2) %s: output = %d */\n", \
evaluated, output
}
if (evaluated ~ "^+#define SCSI_EXEC_REQ_FIFO_DEFINED$" \
@@ -360,11 +365,40 @@ function process_preprocessor_statement(evaluated, condition) {
&& matching_if !~ "^+#elif [01]"))
{
if (evaluated == "+#if undecided" \
|| (evaluated !~ "^+#if" && evaluated !~ "^+#elif"))
|| (evaluated !~ "^+#if" \
&& evaluated !~ "^+#elif" \
&& evaluated !~ "^+#endif"))
{
for (i = 0; i < input_line_count; i++)
line[lines++] = input_line[i]
} else {
# If the statement being processed is an #else or #endif that is not a
# header file include guard and if that statement has a trailing comment,
# replace that comment by the partially evaluated matching #if expression.
if (evaluated ~ "^+#else" || evaluated ~ "^+#endif") {
if ($0 ~ "\\*/") {
if ($0 ~ "_H_* \\*/$") {
evaluated = $0
} else {
if (ei ~ "^+#if ")
ei = substr(ei, 6)
else if (ei ~ "^+#ifdef")
ei = substr(ei, 9)
evaluated = sprintf("%s /* %s */",
$0 ~ " " ? substr($0, 1, index($0, " ")) : $0,
ei);
if (match(evaluated, "([^/ ]*) */\\* defined\\(([^()]*)\\) \\*/",
arg))
{
evaluated = sprintf("%s /* %s */", arg[1], arg[2])
}
}
} else {
evaluated = $0
}
if (debug)
printf "/* debug specialize-patch: (h) %s */\n", evaluated
}
line[lines++] = evaluated
lines_less_added += input_line_count - 1
}