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102 lines
3.1 KiB
Perl
Executable File
102 lines
3.1 KiB
Perl
Executable File
#!/usr/bin/perl
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# SPDX-FileCopyrightText: 2021 Pragmatic Software <pragma78@gmail.com>
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# SPDX-License-Identifier: MIT
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use warnings;
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use strict;
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package _c_base;
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use parent '_default';
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sub preprocess {
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my $self = shift;
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my $input = $self->{input};
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$input = "" if not defined $input;
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print "writing input [$input]\n";
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open(my $fh, '>', '.input');
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print $fh "$input\n";
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close $fh;
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$self->execute(10, undef, 'date', '-s', "\@$self->{date}");
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my @cmd = $self->split_line($self->{cmdline}, strip_quotes => 1, preserve_escapes => 0);
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if ($self->{code} =~ m/print_last_statement\(.*\);$/m) {
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# remove print_last_statement wrapper in order to get warnings/errors from last statement line
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my $code = $self->{code};
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$code =~ s/print_last_statement\((.*)\);$/$1;/mg;
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open(my $fh, '>', $self->{sourcefile}) or die $!;
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print $fh $code . "\n";
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close $fh;
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print "Executing [$self->{cmdline}] without print_last_statement\n";
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my ($retval, $stdout, $stderr) = $self->execute(60, undef, @cmd);
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$self->{output} = $stderr;
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$self->{output} .= ' ' if length $self->{output};
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$self->{output} .= $stdout;
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$self->{error} = $retval;
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# now compile with print_last_statement intact, ignoring compile results
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if (not $self->{error}) {
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open(my $fh, '>', $self->{sourcefile}) or die $!;
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print $fh $self->{code} . "\n";
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close $fh;
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print "Executing [$self->{cmdline}] with print_last_statement\n";
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$self->execute(60, undef, @cmd);
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}
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} else {
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open(my $fh, '>', $self->{sourcefile}) or die $!;
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print $fh $self->{code} . "\n";
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close $fh;
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print "Executing [$self->{cmdline}]\n";
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my ($retval, $stdout, $stderr) = $self->execute(60, undef, @cmd);
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$self->{output} = $stderr;
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$self->{output} .= ' ' if length $self->{output};
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$self->{output} .= $stdout;
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$self->{error} = $retval;
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}
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if ($self->{cmdline} =~ m/--(?:version|analyze)/) {
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$self->{done} = 1;
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}
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}
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sub postprocess {
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my $self = shift;
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$self->SUPER::postprocess;
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# no errors compiling, but if output contains something, it must be diagnostic messages
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if(length $self->{output}) {
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$self->{output} =~ s/^\s+//;
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$self->{output} =~ s/\s+$//;
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$self->{output} = "[$self->{output}]\n";
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}
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print "Executing gdb\n";
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my @args = $self->split_line($self->{arguments}, strip_quotes => 1, preserve_escapes => 0);
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my ($exitval, $stdout, $stderr) = $self->execute(60, undef, 'compiler_watchdog.pl', @args);
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my $result = $stderr;
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$result .= ' ' if length $result;
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$result .= $stdout;
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if (not length $result) {
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$self->{no_output} = 1;
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} elsif ($self->{code} =~ m/print_last_statement\(.*\);$/m
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&& ($result =~ m/A syntax error in expression/ || $result =~ m/No symbol.*in current context/ || $result =~ m/has unknown return type; cast the call to its declared return/ || $result =~ m/Can't take address of.*which isn't an lvalue/)) {
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# strip print_last_statement and rebuild/re-run
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$self->{code} =~ s/print_last_statement\((.*)\);/$1;/mg;
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$self->preprocess;
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$self->postprocess;
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} else {
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$self->{output} .= $result;
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}
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}
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1;
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