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7u83 |
1 |
#!/usr/bin/env perl
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###############################################################################
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$[ = 1 ;
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$prog = $0;
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($tmp = rindex ($prog, "/")) && ($prog = substr ($prog, $tmp + 1));
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###############################################################################
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sub fatal {
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print STDERR ($prog, ": fatal: ", @_, "\n");
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exit (1);
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}
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sub ifatal {
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print STDERR ($prog, ": fatal: ", $lexer'file, ": ", $lexer'line_num, ": ",
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@_, "\n");
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exit (1);
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}
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###############################################################################
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### Lexical analyser:
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$lexer'file = undef;
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$lexer'line_num = undef;
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$lexer'line = undef;
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###############################################################################
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$TOK_EOF = 0;
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$TOK_OPEN_BRACE = 1;
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$TOK_CLOSE_BRACE = 2;
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$TOK_COMMA = 3;
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$TOK_SEMI_COLON = 4;
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$TOK_COLON = 5;
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$TOK_STRING = 6;
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$TOK_PROGRAM = 7;
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$TOK_SEVERITY = 8;
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$TOK_HEADER = 9;
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$TOK_C_HEADER = 10;
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$TOK_OPEN = 11;
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$TOK_CLOSE = 12;
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%error_severity = (
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"info", "ERROR_SEVERITY_INFORMATION",
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"information", "ERROR_SEVERITY_INFORMATION",
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"warning", "ERROR_SEVERITY_WARNING",
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"error", "ERROR_SEVERITY_ERROR",
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"fatal", "ERROR_SEVERITY_FATAL",
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"internal", "ERROR_SEVERITY_INTERNAL",
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);
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###############################################################################
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sub reset_lexer {
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local ($file) = @_;
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$lexer'file = $file;
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$lexer'line_num = 0;
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$lexer'line = "";
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open (INFILE, "<" . $file) ||
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&fatal ("cannot open input file '", $file, "'");
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}
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sub lexer'read_string {
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local ($string) = "";
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read_string: {
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(($lexer'line eq "") &&
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(($lexer'line = <INFILE>), ($lexer'line_num ++)));
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(defined ($lexer'line)) ||
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&ifatal ("unexpected end of file in string");
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if ($lexer'line =~ s/^([^"]*)"//) {
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$string .= $1;
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} else {
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$string .= $lexer'line;
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$lexer'line = "";
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redo read_string;
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}
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}
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$string;
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}
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sub lexer'read_program {
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local ($program) = "";
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local ($index, $tmp);
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read_program: {
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(($lexer'line eq "") &&
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(($lexer'line = <INFILE>), ($lexer'line_num ++)));
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(defined ($lexer'line)) ||
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&ifatal ("unexpected end of file in program segment");
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if ($index = index ($lexer'line, "]\$")) {
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$tmp = substr ($lexer'line, 1, $index - 1);
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$lexer'line = substr ($lexer'line, $index + 2);
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$tmp =~ s/^[ \t]*//;
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$program .= $tmp;
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} else {
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$program .= $lexer'line;
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$lexer'line = "";
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redo read_program;
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}
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}
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$program;
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}
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sub next_token {
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local ($token, $data);
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get_token: {
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(($lexer'line eq "") &&
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(($lexer'line = <INFILE>), ($lexer'line_num ++)));
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(defined ($lexer'line)) || return ($TOK_EOF, 0);
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$lexer'line =~ s/^[ \t\n]*(#.*$)?\n?//;
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($lexer'line eq "") && redo get_token;
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if ($lexer'line =~ s/^{//) {
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$token = $TOK_OPEN_BRACE;
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$data = 0;
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} elsif ($lexer'line =~ s/^}//) {
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$token = $TOK_CLOSE_BRACE;
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$data = 0;
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} elsif ($lexer'line =~ s/^\(//) {
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$token = $TOK_OPEN;
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$data = 0;
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} elsif ($lexer'line =~ s/^\)//) {
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$token = $TOK_CLOSE;
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$data = 0;
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} elsif ($lexer'line =~ s/^,//) {
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$token = $TOK_COMMA;
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$data = 0;
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} elsif ($lexer'line =~ s/^;//) {
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$token = $TOK_SEMI_COLON;
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$data = 0;
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} elsif ($lexer'line =~ s/^://) {
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$token = $TOK_COLON;
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$data = 0;
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} elsif ($lexer'line =~ s/^"//) {
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$token = $TOK_STRING;
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$data = &lexer'read_string;
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} elsif ($lexer'line =~ s/^\$\[([ \t]*\n)?//) {
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$token = $TOK_PROGRAM;
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$data = &lexer'read_program;
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} elsif ($lexer'line =~ s/^header\(c\)//) {
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$token = $TOK_C_HEADER;
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$data = 0;
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} elsif ($lexer'line =~ s/^header\(h\)//) {
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$token = $TOK_HEADER;
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$data = 0;
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} elsif ($lexer'line =~ s/^header//) {
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$token = $TOK_HEADER;
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$data = 0;
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} elsif ($lexer'line =~ s/^[A-Za-z_]+//) {
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$token = $TOK_SEVERITY;
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$data = $error_severity{$&};
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defined ($data) ||
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&ifatal ("unknown error severity '", $&, "'");
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} elsif ($lexer'line =~ s/^.//) {
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&ifatal ("illegal character '", $&, "'");
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}
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}
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($token, $data);
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}
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###############################################################################
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### Parser:
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$error_header = "";
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$error_c_header = "";
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$error_tag_index = 0;
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$error_struct_num = 0;
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$error_tproc_num = 0;
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@error_tag_order = ();
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@error_order = ();
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@error_structures = ();
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@error_tag_procs = ();
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%error_tags = ();
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%error_tag_index = ();
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%error_severities = ();
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%error_munged_names = ();
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%error_messages = ();
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%error_client_data = ();
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%error_struct_match = ();
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%error_struct_name = ();
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%error_proc_decs = ();
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%error_proc_defs = ();
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%error_index = ();
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%error_tproc_match = ();
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%error_tproc_name = ();
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###############################################################################
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sub munge_name {
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local ($name) = @_;
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$name =~ s/[^A-Za-z0-9_]/_/g;
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$name;
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}
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sub basename {
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local ($name) = @_;
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local ($tmp);
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($tmp = rindex ($name, "/")) && ($name = substr ($name, $tmp + 1));
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$name;
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}
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sub find_tags {
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local ($mesg) = @_;
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local (%tag_names);
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while ($mesg =~ /\$\{([^\}\n]+)\}/) {
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$tag_names{$1} = 1;
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$mesg = $';
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}
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keys (%tag_names);
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}
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sub indent_to {
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local ($prefix, $col) = @_;
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local ($length);
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if (($length = length ($prefix)) >= $col) {
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" ";
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} else {
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(" " x ($col - $length));
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}
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}
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###############################################################################
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sub parse_param_list {
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local ($error, *param_types, *param_order) = @_;
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local ($token, $data, $name, $type);
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parse_param: {
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if ((($token, $data) = &next_token), ($token != $TOK_STRING)) {
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&ifatal ("expected parameter name string");
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}
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$name = $data;
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if ((($token, $data) = &next_token), ($token != $TOK_COLON)) {
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&ifatal ("expected ':'");
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}
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if ((($token, $data) = &next_token), ($token != $TOK_STRING)) {
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248 |
&ifatal ("expected parameter type string");
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249 |
}
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$type = $data;
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if (defined ($param_types{$name})) {
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&fatal ("parameter '", $name, "' already defined in error '",
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$error, "'");
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} else {
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$param_types{$name} = $type;
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push (@param_order, $name);
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}
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258 |
if ((($token, $data) = &next_token), ($token == $TOK_COMMA)) {
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redo parse_param;
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} elsif ($token != $TOK_CLOSE) {
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&ifatal ("expected ')'");
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262 |
}
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263 |
}
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264 |
}
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265 |
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266 |
sub parse_error_header {
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267 |
local ($severity, *tag_names, *param_types, *param_order) = @_;
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268 |
local ($token, $data, $name, $munged_name, $tmp);
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269 |
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270 |
if ((($token, $data) = &next_token), ($token != $TOK_STRING)) {
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271 |
&ifatal ("expected error name string");
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272 |
}
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273 |
$name = $data;
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274 |
if (defined ($error_severities{$name})) {
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275 |
&ifatal ("error '", $name, "' is already defined");
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276 |
}
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277 |
$error_severities{$name} = $severity;
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278 |
if ((($token, $data) = &next_token), ($token == $TOK_COLON)) {
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279 |
if ((($token, $data) = &next_token), ($token != $TOK_STRING)) {
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280 |
&ifatal ("expected error function name string");
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281 |
} elsif (($data =~ /[^A-Za-z_0-9]/) || ($data =~ /^[0-9]/)) {
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282 |
&ifatal ("illegal error function name string '", $data, "'");
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283 |
}
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284 |
$munged_name = $data;
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285 |
($token, $data) = &next_token;
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286 |
} else {
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287 |
$munged_name = &munge_name ($name);
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288 |
}
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289 |
if (defined ($tmp = $error_munged_names{$munged_name})) {
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290 |
&ifatal ("error '", $name, "' clashes with error '", $tmp, "'");
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291 |
}
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292 |
$error_munged_names{$munged_name} = $name;
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293 |
if ($token == $TOK_OPEN) {
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294 |
&parse_param_list ($error, *param_types, *param_order);
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295 |
($token, $data) = &next_token;
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296 |
}
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297 |
if ($token != $TOK_OPEN_BRACE) {
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298 |
&ifatal ("expected '{'");
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299 |
}
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300 |
if ((($token, $data) = &next_token), ($token != $TOK_STRING)) {
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301 |
&ifatal ("expected error message text string");
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302 |
}
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303 |
$error_messages{$name} = $data;
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304 |
@tag_names = &find_tags ($data);
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305 |
($name, $munged_name);
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306 |
}
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307 |
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308 |
sub parse_error_tag {
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309 |
local ($name, *tag_types, *tag_names, *tag_mnames, *tag_code, *tag_init,
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310 |
*tag_order, *param_types) = @_;
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311 |
local ($token, $data, $tag_name, $tag_type, $tag_code, $tag_init);
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312 |
local ($munged_name, $tmp);
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313 |
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314 |
if ((($token, $data) = &next_token), ($token != $TOK_OPEN_BRACE)) {
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315 |
&ifatal ("expected '{'");
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316 |
}
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317 |
if ((($token, $data) = &next_token), ($token != $TOK_STRING)) {
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318 |
&ifatal ("expected tag name");
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319 |
}
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320 |
$tag_name = $data;
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321 |
$munged_name = &munge_name ($tag_name);
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322 |
if (defined ($tag_types{$tag_name})) {
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323 |
&ifatal ("tag '", $tag_name, "' defined twice in error '", $name, "'");
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324 |
} elsif (defined ($tmp = $tag_mnames{$munged_name})) {
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325 |
&ifatal ("tag '", $tag_name, "' clashes with tag '", $tmp,
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326 |
"' in error '", $name, "'");
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327 |
} elsif (defined ($tmp = $param_types{$munged_name})) {
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328 |
&ifatal ("tag '", $tag_name, "' clashes with parameter '",
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329 |
$munged_name, "' in error '", $name, "'");
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330 |
}
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331 |
if ((($token, $data) = &next_token), ($token != $TOK_COLON)) {
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332 |
&ifatal ("expected ':'");
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333 |
}
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334 |
if ((($token, $data) = &next_token), ($token != $TOK_STRING)) {
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335 |
&ifatal ("expected tag type string");
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336 |
}
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337 |
$tag_type = $data;
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338 |
if ((($token, $data) = &next_token), ($token != $TOK_PROGRAM)) {
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339 |
&ifatal ("expected tag handling code");
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340 |
}
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341 |
$tag_code = $data;
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342 |
if ((($token, $data) = &next_token), ($token == $TOK_PROGRAM)) {
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343 |
$tag_init = $data;
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344 |
($token, $data) = &next_token;
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345 |
}
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346 |
if ($token != $TOK_CLOSE_BRACE) {
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347 |
&ifatal ("expected '}'");
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348 |
}
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349 |
if (!defined ($error_tags{$tag_name})) {
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|
|
350 |
$error_tags{$tag_name} = $error_tag_index ++;
|
|
|
351 |
push (@error_tag_order, $tag_name);
|
|
|
352 |
}
|
|
|
353 |
$tag_types{$tag_name} = $tag_type;
|
|
|
354 |
$tag_mnames{$munged_name} = $tag_name;
|
|
|
355 |
$tag_names{$tag_name} = $munged_name;
|
|
|
356 |
$tag_code{$tag_name} = $tag_code;
|
|
|
357 |
if (defined ($tag_init)) {
|
|
|
358 |
$tag_init{$tag_name} = $tag_init;
|
|
|
359 |
}
|
|
|
360 |
push (@tag_order, $tag_name);
|
|
|
361 |
}
|
|
|
362 |
|
|
|
363 |
sub build_structure {
|
|
|
364 |
local ($error, *tag_types, *tag_names, *tag_order) = @_;
|
|
|
365 |
local ($header, $def, $i, $tag, $type, $name, $indent, $tmp);
|
|
|
366 |
|
|
|
367 |
if ($#tag_order) {
|
|
|
368 |
$def = (" {\n");
|
|
|
369 |
for ($i = 1; $i <= $#tag_order; $i ++) {
|
|
|
370 |
$tag = $tag_order [$i];
|
|
|
371 |
$type = $tag_types{$tag};
|
|
|
372 |
$name = $tag_names{$tag};
|
|
|
373 |
$indent = &indent_to (" " . $type, 30);
|
|
|
374 |
$def .= (" " . $type . $indent . $name . ";\n");
|
|
|
375 |
}
|
|
|
376 |
$def .= "};\n";
|
|
|
377 |
if (defined ($tmp = $error_struct_match{$def})) {
|
|
|
378 |
$error_struct_name{$error} = $tmp;
|
|
|
379 |
} else {
|
|
|
380 |
$header = sprintf ("struct ES_%05d", $error_struct_num ++);
|
|
|
381 |
$error_struct_match{$def} = $header;
|
|
|
382 |
$error_struct_name{$error} = $header;
|
|
|
383 |
push (@error_structures, ($header . $def));
|
|
|
384 |
}
|
|
|
385 |
}
|
|
|
386 |
}
|
|
|
387 |
|
|
|
388 |
sub build_tag_proc {
|
|
|
389 |
local ($error, *tag_types, *tag_names, *tag_order, *tag_code) = @_;
|
|
|
390 |
local ($header, $def, $i, $tag, $code, $index, $name, $struct);
|
|
|
391 |
|
|
|
392 |
if (defined ($struct = $error_struct_name{$error})) {
|
|
|
393 |
$def = ("{\n " . $struct . " *closure = (" . $struct .
|
|
|
394 |
" *)gclosure;\n\n");
|
|
|
395 |
for ($i = 1; $i <= $#tag_order; $i ++) {
|
|
|
396 |
$tag = $tag_order [$i];
|
|
|
397 |
$name = $tag_names{$tag};
|
|
|
398 |
$code = $tag_code{$tag};
|
|
|
399 |
$index = $error_tags{$tag};
|
|
|
400 |
if ($i == 1) {
|
|
|
401 |
$def .= (" if (tag == ET[" . $index . "].tag) {\n");
|
|
|
402 |
} else {
|
|
|
403 |
$def .= (" } else if (tag == ET[" . $index . "].tag) {\n");
|
|
|
404 |
}
|
|
|
405 |
$def .= $code;
|
|
|
406 |
}
|
|
|
407 |
$def .= " }\n}\n";
|
|
|
408 |
} else {
|
|
|
409 |
$def = ("{\n UNUSED(ostream);\n" . " UNUSED(tag);\n" .
|
|
|
410 |
" UNUSED(gclosure);\n}\n");
|
|
|
411 |
}
|
|
|
412 |
if (defined ($tmp = $error_tproc_match{$def})) {
|
|
|
413 |
$error_tproc_name{$error} = $tmp;
|
|
|
414 |
} else {
|
|
|
415 |
$name = sprintf ("ET_%05d", $error_tproc_num ++);
|
|
|
416 |
$header = ("static void\n" . $name .
|
|
|
417 |
"(OStreamP ostream, ETagP tag, GenericP gclosure)\n");
|
|
|
418 |
$error_tproc_match{$def} = $name;
|
|
|
419 |
$error_tproc_name{$error} = $name;
|
|
|
420 |
push (@error_tag_procs, ($header . $def));
|
|
|
421 |
}
|
|
|
422 |
}
|
|
|
423 |
|
|
|
424 |
sub build_proc_dec {
|
|
|
425 |
local ($error, $munged_name, *tag_types, *tag_names, *tag_init, *tag_order,
|
|
|
426 |
*param_types, *param_order) = @_;
|
|
|
427 |
local ($dec, $i, $tag, $type, $sep, $args, $param);
|
|
|
428 |
|
|
|
429 |
$sep = undef;
|
|
|
430 |
$dec = ("extern void E_" . $munged_name . "(");
|
|
|
431 |
$args = 0;
|
|
|
432 |
for ($i = 1; $i <= $#param_order; $i ++) {
|
|
|
433 |
$param = $param_order [$i];
|
|
|
434 |
$type = $param_types{$param};
|
|
|
435 |
if (defined ($sep)) {
|
|
|
436 |
$dec .= $sep;
|
|
|
437 |
}
|
|
|
438 |
$dec .= $type;
|
|
|
439 |
$sep = ", ";
|
|
|
440 |
$args ++;
|
|
|
441 |
}
|
|
|
442 |
for ($i = 1; $i <= $#tag_order; $i ++) {
|
|
|
443 |
$tag = $tag_order [$i];
|
|
|
444 |
$type = $tag_types{$tag};
|
|
|
445 |
if (!defined ($tag_init{$tag})) {
|
|
|
446 |
if (defined ($sep)) {
|
|
|
447 |
$dec .= $sep;
|
|
|
448 |
}
|
|
|
449 |
$dec .= $type;
|
|
|
450 |
$sep = ", ";
|
|
|
451 |
$args ++;
|
|
|
452 |
}
|
|
|
453 |
}
|
|
|
454 |
if ($args == 0) {
|
|
|
455 |
$dec .= "void";
|
|
|
456 |
}
|
|
|
457 |
$error_proc_decs{$error} = ($dec . ");\n");
|
|
|
458 |
}
|
|
|
459 |
|
|
|
460 |
sub build_proc_def {
|
|
|
461 |
local ($error, $munged_name, *tag_types, *tag_names, *tag_init,
|
|
|
462 |
*tag_order, *param_types, *param_order) = @_;
|
|
|
463 |
local ($def, $tmp_def, $i, $tag, $type, $name, $col, $sep, $init, $args);
|
|
|
464 |
local ($param, $struct, $closure);
|
|
|
465 |
|
|
|
466 |
$sep = undef;
|
|
|
467 |
$def = ("void\nE_" . $munged_name);
|
|
|
468 |
$tmp_def = "";
|
|
|
469 |
$col = (length ($munged_name) + 2);
|
|
|
470 |
$args = 0;
|
|
|
471 |
$sep = undef;
|
|
|
472 |
for ($i = 1; $i <= $#param_order; $i ++) {
|
|
|
473 |
$param = $param_order [$i];
|
|
|
474 |
if (defined ($sep)) {
|
|
|
475 |
$tmp_def .= $sep;
|
|
|
476 |
}
|
|
|
477 |
$args ++;
|
|
|
478 |
}
|
|
|
479 |
for ($i = 1; $i <= $#tag_order; $i ++) {
|
|
|
480 |
$tag = $tag_order [$i];
|
|
|
481 |
$name = $tag_names{$tag};
|
|
|
482 |
if (!defined ($tag_init{$tag})) {
|
|
|
483 |
if (defined ($sep)) {
|
|
|
484 |
$tmp_def .= $sep;
|
|
|
485 |
}
|
|
|
486 |
$args ++;
|
|
|
487 |
}
|
|
|
488 |
}
|
|
|
489 |
$tmp_def .= "(";
|
|
|
490 |
$col += 1;
|
|
|
491 |
|
|
|
492 |
if ($args == 0) {
|
|
|
493 |
$def .= "(void)\n";
|
|
|
494 |
} else {
|
|
|
495 |
$def .= $tmp_def;
|
|
|
496 |
$sep = undef;
|
|
|
497 |
for ($i = 1; $i <= $#param_order; $i ++) {
|
|
|
498 |
$param = $param_order [$i];
|
|
|
499 |
$type = $param_types{$param};
|
|
|
500 |
if (defined ($sep)) {
|
|
|
501 |
$def .= $sep;
|
|
|
502 |
}
|
|
|
503 |
$def .= ($type . " " . $param);
|
|
|
504 |
$sep = (",\n" . &indent_to ("", $col));
|
|
|
505 |
}
|
|
|
506 |
for ($i = 1; $i <= $#tag_order; $i ++) {
|
|
|
507 |
$tag = $tag_order [$i];
|
|
|
508 |
$name = $tag_names{$tag};
|
|
|
509 |
$type = $tag_types{$tag};
|
|
|
510 |
if (!defined ($tag_init{$tag})) {
|
|
|
511 |
if (defined ($sep)) {
|
|
|
512 |
$def .= $sep;
|
|
|
513 |
}
|
|
|
514 |
if ((length($def) + length($type) + length($name) + 1) > 78) {
|
|
|
515 |
$def .= ($type . " " . $name);
|
|
|
516 |
# $sep = (",\n" . &indent_to ("", $col));
|
|
|
517 |
$sep = (", ");
|
|
|
518 |
} else {
|
|
|
519 |
$sep = (",\n" . &indent_to("", $col));
|
|
|
520 |
$def .= ($type . " " . $name);
|
|
|
521 |
}
|
|
|
522 |
}
|
|
|
523 |
}
|
|
|
524 |
$def .= ")\n";
|
|
|
525 |
}
|
|
|
526 |
$def .= "{\n";
|
|
|
527 |
if (defined ($struct = $error_struct_name{$error})) {
|
|
|
528 |
$def .= (" " . $struct . " closure;\n\n");
|
|
|
529 |
for ($i = 1; $i <= $#tag_order; $i ++) {
|
|
|
530 |
$tag = $tag_order [$i];
|
|
|
531 |
$name = $tag_names{$tag};
|
|
|
532 |
if (defined ($init = $tag_init{$tag})) {
|
|
|
533 |
$def .= $init;
|
|
|
534 |
} else {
|
|
|
535 |
$def .= (" closure." . $name . " = " . $name . ";\n");
|
|
|
536 |
}
|
|
|
537 |
}
|
|
|
538 |
$closure = "(GenericP)&closure";
|
|
|
539 |
} else {
|
|
|
540 |
$closure = "NIL(GenericP)";
|
|
|
541 |
}
|
|
|
542 |
$def .= (" error_call_init_proc();\n error_report(EE[" .
|
|
|
543 |
$error_index{$error} . "].error, " . $error_tproc_name{$error} .
|
|
|
544 |
", " . $closure . ");\n");
|
|
|
545 |
if (($error_severities{$error} eq "ERROR_SEVERITY_FATAL") ||
|
|
|
546 |
($error_severities{$error} eq "ERROR_SEVERITY_INTERNAL")) {
|
|
|
547 |
$def .= " UNREACHED;\n";
|
|
|
548 |
}
|
|
|
549 |
$error_proc_defs{$error} = ($def . "}\n");
|
|
|
550 |
}
|
|
|
551 |
|
|
|
552 |
sub parse_error {
|
|
|
553 |
local ($severity) = @_;
|
|
|
554 |
local ($token, $data, $name, $munged_name);
|
|
|
555 |
local (%tag_types, %tag_names, %tag_mnames, %tag_code, %tag_init,
|
|
|
556 |
@tag_order, @used_tags, $tag, %param_types, @param_order);
|
|
|
557 |
|
|
|
558 |
($name, $munged_name) = &parse_error_header ($severity, *used_tags,
|
|
|
559 |
*param_types, *param_order);
|
|
|
560 |
while ((($token, $data) = &next_token), ($token == $TOK_COMMA)) {
|
|
|
561 |
&parse_error_tag ($name, *tag_types, *tag_names, *tag_mnames,
|
|
|
562 |
*tag_code, *tag_init, *tag_order, *param_types);
|
|
|
563 |
}
|
|
|
564 |
if ($token == $TOK_PROGRAM) {
|
|
|
565 |
$error_client_data{$name} = $data;
|
|
|
566 |
($token, $data) = &next_token;
|
|
|
567 |
} else {
|
|
|
568 |
$error_client_data{$name} = "NIL(GenericP)";
|
|
|
569 |
}
|
|
|
570 |
if ($token != $TOK_CLOSE_BRACE) {
|
|
|
571 |
&ifatal ("expected '}'");
|
|
|
572 |
}
|
|
|
573 |
foreach $tag (@used_tags) {
|
|
|
574 |
if (!defined ($tag_types{$tag})) {
|
|
|
575 |
&fatal ("error '", $name, "' uses undefined tag '", $tag, "'");
|
|
|
576 |
}
|
|
|
577 |
}
|
|
|
578 |
$error_index{$name} = $#error_order;
|
|
|
579 |
&build_structure ($name, *tag_types, *tag_names, *tag_order);
|
|
|
580 |
&build_tag_proc ($name, *tag_types, *tag_names, *tag_order, *tag_code);
|
|
|
581 |
&build_proc_dec ($name, $munged_name, *tag_types, *tag_names, *tag_init,
|
|
|
582 |
*tag_order, *param_types, *param_order);
|
|
|
583 |
&build_proc_def ($name, $munged_name, *tag_types, *tag_names, *tag_init,
|
|
|
584 |
*tag_order, *param_types, *param_order);
|
|
|
585 |
push (@error_order, $name);
|
|
|
586 |
}
|
|
|
587 |
|
|
|
588 |
sub parse_header {
|
|
|
589 |
local ($token, $data);
|
|
|
590 |
|
|
|
591 |
if ((($token, $data) = &next_token), ($token != $TOK_PROGRAM)) {
|
|
|
592 |
&ifatal ("expected program section");
|
|
|
593 |
}
|
|
|
594 |
$error_header .= ("/* Header from input file '" . $infile . "' */\n" .
|
|
|
595 |
$data . "\n");
|
|
|
596 |
}
|
|
|
597 |
|
|
|
598 |
sub parse_c_header {
|
|
|
599 |
local ($token, $data);
|
|
|
600 |
|
|
|
601 |
if ((($token, $data) = &next_token), ($token != $TOK_PROGRAM)) {
|
|
|
602 |
&ifatal ("expected program section");
|
|
|
603 |
}
|
|
|
604 |
$error_c_header .= ("/* Header from input file '" . $infile . "' */\n" .
|
|
|
605 |
$data . "\n");
|
|
|
606 |
}
|
|
|
607 |
|
|
|
608 |
sub parse_file {
|
|
|
609 |
local ($file) = @_;
|
|
|
610 |
|
|
|
611 |
&reset_lexer ($file);
|
|
|
612 |
while ((($token, $data) = &next_token), ($token != $TOK_EOF)) {
|
|
|
613 |
if ($token == $TOK_HEADER) {
|
|
|
614 |
&parse_header;
|
|
|
615 |
} elsif ($token == $TOK_C_HEADER) {
|
|
|
616 |
&parse_c_header;
|
|
|
617 |
} elsif ($token == $TOK_SEVERITY) {
|
|
|
618 |
&parse_error ($data);
|
|
|
619 |
} else {
|
|
|
620 |
&ifatal ("expected header or severity level");
|
|
|
621 |
}
|
|
|
622 |
if ((($token, $data) = &next_token), ($token != $TOK_SEMI_COLON)) {
|
|
|
623 |
&ifatal ("expected ';'");
|
|
|
624 |
}
|
|
|
625 |
}
|
|
|
626 |
close (INFILE);
|
|
|
627 |
}
|
|
|
628 |
|
|
|
629 |
###############################################################################
|
|
|
630 |
### Output:
|
|
|
631 |
|
|
|
632 |
sub output_c_file {
|
|
|
633 |
local ($i, $tag, $error, $name);
|
|
|
634 |
|
|
|
635 |
print OUTFILE ("/* Automatically generated by '", $prog, "' */\n\n");
|
|
|
636 |
print OUTFILE ("#include \"", &basename ($outfile), ".h\"\n");
|
|
|
637 |
print OUTFILE ("#include \"error.h\"\n");
|
|
|
638 |
print OUTFILE ("#include \"ostream.h\"\n\n");
|
|
|
639 |
print OUTFILE ($error_c_header, "\n");
|
|
|
640 |
|
|
|
641 |
print OUTFILE ("static ETagDataT ET[] = {\n");
|
|
|
642 |
for ($i = 1; $i <= $#error_tag_order; $i ++) {
|
|
|
643 |
$tag = $error_tag_order [$i];
|
|
|
644 |
print OUTFILE (" UB \"", $tag, "\" UE,\n");
|
|
|
645 |
}
|
|
|
646 |
print OUTFILE (" ERROR_END_TAG_LIST\n");
|
|
|
647 |
print OUTFILE ("};\n\n");
|
|
|
648 |
|
|
|
649 |
print OUTFILE ("static ErrorDataT EE[] = {\n");
|
|
|
650 |
for ($i = 1; $i <= $#error_order; $i ++) {
|
|
|
651 |
$error = $error_order [$i];
|
|
|
652 |
print OUTFILE (" UB {\n\t\"", $error, "\",\n\t",
|
|
|
653 |
$error_severities{$error}, ",\n\t\"",
|
|
|
654 |
$error_messages{$error}, "\",\n\t",
|
|
|
655 |
$error_client_data{$error}, "\n } UE,\n");
|
|
|
656 |
}
|
|
|
657 |
print OUTFILE (" ERROR_END_ERROR_LIST\n");
|
|
|
658 |
print OUTFILE ("};\n\n");
|
|
|
659 |
|
|
|
660 |
for ($i = 1; $i <= $#error_structures; $i ++) {
|
|
|
661 |
print OUTFILE ($error_structures [$i]);
|
|
|
662 |
}
|
|
|
663 |
print OUTFILE ("\n");
|
|
|
664 |
|
|
|
665 |
for ($i = 1; $i <= $#error_tag_procs; $i ++) {
|
|
|
666 |
print OUTFILE ($error_tag_procs [$i]);
|
|
|
667 |
}
|
|
|
668 |
print OUTFILE ("\n");
|
|
|
669 |
|
|
|
670 |
for ($i = 1; $i <= $#error_order; $i ++) {
|
|
|
671 |
$error = $error_order [$i];
|
|
|
672 |
print OUTFILE ($error_proc_defs{$error});
|
|
|
673 |
}
|
|
|
674 |
$name = &munge_name (&basename ($outfile));
|
|
|
675 |
print OUTFILE ("\nvoid\n", $name, "_init_errors(void)\n",
|
|
|
676 |
"{\n error_intern_tags (ET);\n",
|
|
|
677 |
" error_intern_errors (EE);\n}\n");
|
|
|
678 |
}
|
|
|
679 |
|
|
|
680 |
sub output_h_file {
|
|
|
681 |
local ($i);
|
|
|
682 |
|
|
|
683 |
print OUTFILE ("/* Automatically generated by '", $prog, "' */\n\n");
|
|
|
684 |
print OUTFILE ("#include \"os-interface.h\"\n\n");
|
|
|
685 |
print OUTFILE ($error_header, "\n");
|
|
|
686 |
|
|
|
687 |
print OUTFILE ("/* Error function declarations */\n\n");
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|
|
688 |
for ($i = 1; $i <= $#error_order; $i ++) {
|
|
|
689 |
$error = $error_order [$i];
|
|
|
690 |
print OUTFILE ($error_proc_decs{$error});
|
|
|
691 |
}
|
|
|
692 |
print OUTFILE ("\nextern void ", &munge_name (&basename ($outfile)),
|
|
|
693 |
"_init_errors(void);\n");
|
|
|
694 |
}
|
|
|
695 |
|
|
|
696 |
###############################################################################
|
|
|
697 |
|
|
|
698 |
$outfile = "error-mesgs";
|
|
|
699 |
|
|
|
700 |
###############################################################################
|
|
|
701 |
|
|
|
702 |
arg:
|
|
|
703 |
while (defined ($arg = shift (@ARGV))) {
|
|
|
704 |
if ($arg =~ /^-o/) {
|
|
|
705 |
(defined ($outfile = shift (@ARGV))) ||
|
|
|
706 |
&fatal ("no output file name specified after '", $arg, "' option");
|
|
|
707 |
} elsif ($arg =~ /^-/) {
|
|
|
708 |
&fatal ("unknown option '", $arg, "'");
|
|
|
709 |
} else {
|
|
|
710 |
unshift (@ARGV, $arg);
|
|
|
711 |
last arg;
|
|
|
712 |
}
|
|
|
713 |
}
|
|
|
714 |
|
|
|
715 |
while (defined ($infile = shift (@ARGV))) {
|
|
|
716 |
&parse_file ($infile);
|
|
|
717 |
}
|
|
|
718 |
|
|
|
719 |
open (OUTFILE, ">" . $outfile . ".c") ||
|
|
|
720 |
&fatal ("cannot open output file '", $outfile, ".c'");
|
|
|
721 |
&output_c_file;
|
|
|
722 |
close (OUTFILE);
|
|
|
723 |
open (OUTFILE, ">" . $outfile . ".h") ||
|
|
|
724 |
&fatal ("cannot open output file '", $outfile, ".h'");
|
|
|
725 |
&output_h_file;
|
|
|
726 |
close (OUTFILE);
|
|
|
727 |
exit (0);
|