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34f69f09f8
no complaints. ;) Basically, instead of ignoring single-line C-style comments in IDL source files this change allows token.awk to ignore both single- and multi-line C-style comments. Chris -)-----
181 lines
3.2 KiB
Awk
181 lines
3.2 KiB
Awk
# tokenise the input file
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function parse_error(msg) {
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printf("PARSE ERROR: %s\nLine "NR" : "$0"\n", msg);
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exit 1;
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}
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# ignore multi-line C comments.
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{
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if (t = index($0, "/*")) {
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if (t > 1)
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tmp = substr($0, 1, t - 1)
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else
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tmp = ""
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u = index(substr($0, t + 2), "*/")
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while (u == 0) {
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getline
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t = -1
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u = index($0, "*/")
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}
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if (u <= length($0) - 2)
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$0 = tmp substr($0, t + u + 3)
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else
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$0 = tmp
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}
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}
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# ignore blank lines
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/^[ \t]*$/ {
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next;
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}
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/^\#define.*/ {
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split($0,a,"[ \t;]*");
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parse_define(a[2], a[3]);
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next;
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}
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# ignore comments
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/^[ \t]*\#/ {
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next;
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}
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/^[ \t]*module/ {
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{if (module!="") parse_error("you can only specify one module name");}
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start_module($2);
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next;
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}
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{if (module=="") parse_error("you must specify the module name first");}
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/^[ \t]*option/ {
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set_option($2, $3);
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next;
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}
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/^[ \t]*typedef struct.*\{/ {
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{if (current_struct!="") parse_error("you cannot have nested structures");}
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start_struct($3);
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next;
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}
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/^[ \t]*struct.*\{/ {
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{if (current_struct!="") parse_error("you cannot have nested structures");}
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start_struct($2);
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next;
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}
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/^[ \t]*typedef union.*\{/ {
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{if (current_struct!="") parse_error("this cannot appear inside a structure");}
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split($0,a,"[ \t;()]*");
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start_union_encap(a[4], a[6], a[7], a[8]);
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next;
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}
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/^[ \t]*void.*\(/ {
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{if (current_struct!="") parse_error("you cannot have nested structures");}
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split($0,a,"[ \t;()]*");
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start_function(a[2], a[3]);
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return_result="void";
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next;
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}
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/^[ \t]*STATUS.*\(|^[ \t]*void.*\(/ {
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{if (current_struct!="") parse_error("you cannot have nested structures");}
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split($0,a,"[ \t;()]*");
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start_function(a[2], a[3]);
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return_result="STATUS";
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next;
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}
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{if (current_struct=="") parse_error("this must appear inside a structure");}
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/^[ \t]*union.*\{/ {
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{if (current_union!="") parse_error("you cannot have nested unions");}
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start_union($2);
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next;
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}
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/^[ \t]*\[switch_is.*union.*\{/ {
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{if (current_union!="") parse_error("you cannot have nested unions");}
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split($0,a,"[ \t;()]*");
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start_union_notencap(a[3]);
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next;
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}
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/^[ \t]*case.*;/ {
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{if (current_union=="") parse_error("this must appear inide a union");}
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split($0,a,"[ \t;]*");
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parse_case(a[3],a[4],a[5]);
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next;
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}
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/^[ \t]*\[case(.*)\].*;/ {
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{if (current_union=="") parse_error("this must appear inide a union");}
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split($0,a,"[ \t;()[\]]*");
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parse_case(a[6],a[8],a[9]);
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next;
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}
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/^[ \t]*\}$/ {
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{if (current_union=="") parse_error("this must appear inside a union");}
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end_union("");
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next;
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}
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/^[ \t]*\} .*;/ {
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if (current_union!="") {
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split($2,a,"[ \t;]*");
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end_union(a[1]);
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next;
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}
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}
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{if (current_union!="") parse_error("this cannot appear inside a union");}
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/^[ \t]*\};/ {
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end_struct("");
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next;
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}
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/^[ \t]*\} .*;/ {
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split($2,a,"[ \t;]*");
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end_struct(a[1]);
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next;
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}
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/^[ \t]*\);/ {
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end_function();
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return_result="";
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next;
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}
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/^.*size_is.*\*.*;/ {
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split($0,a,"[ \t;()]*");
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add_sizeis_array(a[3], a[5], a[6]);
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next;
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}
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/^.*;/ {
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split($0,a,"[ \t;]*");
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add_struct_elem(a[2], a[3]);
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next;
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}
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/^[\t ]*void/ {
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next;
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}
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/^[ \t]*\[.*\].*/ {
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split($0,a,"[ \t;]*");
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split(a[4], b, "[,]");
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add_function_param(a[2], a[3], b[1]);
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next;
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}
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{
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parse_error("Unknown construct.");
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}
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