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Improved error reporting of the PlaceholderParser.

Browse source 
The PlaceholderParser is currently used by the GCode.cpp
and by Printer.cpp to generate a new name for the exported G-code or SVG file.
The PlaceholderParser::process() will throw a runtime_error with
a comprehensive error message.
The G-code export will include these error messages into the G-code text
with !!!!!! separators, and the GUI will inform the user, that the G-code
export failed.
This commit is contained in:
bubnikv 2017-12-05 15:54:24 +01:00
parent 1244fd09eb
commit 8746f84fa2
11 changed files with 190 additions and 141 deletions
Download patch file Download diff file Expand all files Collapse all files

10
lib/Slic3r/Print.pm
View file

@ -65,6 +65,9 @@ sub process {
}
# G-code export process, running at a background thread.
# The export_gcode may die for various reasons (fails to process output_filename_format,
# write error into the G-code, cannot execute post-processing scripts).
# It is up to the caller to show an error message.
sub export_gcode {
my $self = shift;
my %params = @_;
@ -73,11 +76,12 @@ sub export_gcode {
$self->process;
# output everything to a G-code file
# The following call may die if the output_filename_format template substitution fails.
my $output_file = $self->output_filepath($params{output_file} // '');
$self->status_cb->(90, "Exporting G-code" . ($output_file ? " to $output_file" : ""));
die "G-code export to " . $output_file . " failed\n"
if ! Slic3r::GCode->new->do_export($self, $output_file);
# The following line may die for multiple reasons.
Slic3r::GCode->new->do_export($self, $output_file);
# run post-processing scripts
if (@{$self->config->post_process}) {
@ -99,6 +103,7 @@ sub export_gcode {
}
# Export SVG slices for the offline SLA printing.
# The export_svg is expected to be executed inside an eval block.
sub export_svg {
my $self = shift;
my %params = @_;
@ -107,6 +112,7 @@ sub export_svg {
my $fh = $params{output_fh};
if (!$fh) {
# The following line may die if the output_filename_format template substitution fails.
my $output_file = $self->output_filepath($params{output_file});
$output_file =~ s/\.[gG][cC][oO][dD][eE]$/.svg/;
Slic3r::open(\$fh, ">", $output_file) or die "Failed to open $output_file for writing\n";