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9389987264
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@1286 d57e44dd-8a1f-0410-8b47-8ef2f437770f
28 lines
660 B
Awk
Executable File
28 lines
660 B
Awk
Executable File
#!/bin/gawk -f
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# awk script that reads a patch from stdin and prints all #define statements
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# that match the following patttern:
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# +#ifndef <symbol>
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# +#define <symbol> <text>
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# +#endif
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BEGIN {
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previous_is_ifndef = 0
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symbol = ""
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}
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{
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is_ifndef = match($0, "^+#ifndef (.*)$", a)
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if (is_ifndef)
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symbol = a[1]
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is_define = previous_is_ifndef && match($0, "^+#define " + symbol)
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if (is_define)
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define = $0
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is_endif = match($0, "^+#endif$")
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if (before_previous_is_ifndef && previous_is_define && is_endif)
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print define
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before_previous_is_ifndef = previous_is_ifndef
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previous_is_ifndef = is_ifndef
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previous_is_define = is_define
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}
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