36d37635c3
Include <foo_err.h> in foo_err.c. Use symbolic names for base and n_msgs. git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@2124 ec53bebd-3082-4978-b11e-865c3cabbd6b
103 lines
2.6 KiB
Awk
103 lines
2.6 KiB
Awk
#
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# $Id$
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#
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$1 == "error_table" || $1 == "et" {
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name = $2
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base = 0
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for(i = 1; i <= 4; i++){
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base = base * 64 + index("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_", substr(name, i, 1))
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}
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base *= 256
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if(base >= 2147483648){ # 0x80000000
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base = -(4294967295 - base + 1) # 0xffffffff
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}
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sub("\\..*$", "", name)
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# for normal awk:
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# split(name, foo, "\\.")
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# name = foo[1]
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c_file = name "_err.c"
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h_file = name "_err.h"
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H_FILE = "__" toupper(h_file) "__"
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gsub("[^A-Z0-9_]", "_", H_FILE)
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number = 0
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print "/* Generated from " FILENAME " */" > c_file
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print "#include <stddef.h>" > c_file # NULL
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print "#include <stdlib.h>" > c_file # malloc
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print "#include <error.h>" > c_file
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print "#include <" h_file ">" > c_file
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print "" > c_file
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print "static const char *text[] = {" > c_file
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print "/* Generated from " FILENAME " */" > h_file
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print "" > h_file
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print "#ifndef " H_FILE > h_file
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print "#define " H_FILE > h_file
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print "" > h_file
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print "#include <error.h>" > h_file
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print "" > h_file
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print "void initialize_" name "_error_table(struct error_table**);" > h_file
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print "" > h_file
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print "typedef enum " name "_error_number{" > h_file
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print "\tERROR_TABLE_BASE_" name " = " base "," > h_file
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next
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}
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function end_file(c_file, h_file){
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print "\tNULL" > c_file
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print "};" > c_file
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print "" > c_file
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print "void initialize_" name "_error_table (struct error_table **list)" > c_file
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print "{" > c_file
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print " struct error_table *et = malloc(sizeof(*et));" > c_file
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print " if (et == NULL)" > c_file
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print " return;" > c_file
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print " et->msgs = text;" > c_file
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print " et->n_msgs = " name "_num_errors;" > c_file
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print " et->base = ERROR_TABLE_BASE_" name ";" > c_file
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print " et->next = *list;" > c_file
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print " *list = et;" > c_file
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print "}" > c_file
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close(c_file)
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print "\t" name "_num_errors = " number > h_file
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print "} " name "_error_number;" > h_file
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print "" > h_file
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print "#endif /* " H_FILE " */" > h_file
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close(h_file)
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}
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function print_line(name, string, value) {
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printf("\t%s = %d,\n", name, value + base) > h_file
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printf("\t/* %3d */ %s,\n", value, string) > c_file
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}
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$1 == "index" {
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newnumber = $2
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for(; number < newnumber; number++)
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print_line(toupper(name)"_ERROR_" number,
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"\"Reserved error number " number "\"", number)
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next
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}
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$1 == "prefix" {
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prefix = $2
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if(prefix != "")
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prefix = prefix "_"
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next
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}
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$1 == "error_code" {
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code = $2
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sub(",.*", "", code)
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code = prefix code
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string = $tmp
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sub("[^,]*,", "", string)
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sub("[ \t]*", "", string)
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print_line(code, string, number)
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number++;
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next
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}
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END {
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end_file(c_file, h_file)
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}
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