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import java.io.IOException;
import java.io.FileNotFoundException;
public class ModelFile
{
public static boolean load_file
(
final String filename
)
throws FileNotFoundException
{
final QuickParser qp;
String[] input;
boolean success;
qp = new QuickParser(filename);
for (;;)
{
try
{
input = qp.parse_line();
if (input == null)
{
qp.finalize();
return false;
}
else if (input.length == 0)
{
qp.finalize();
break;
}
}
catch (final IOException e)
{
System.err.println
(
"[E] IO error while parsing file \""
+ filename
+ "\":"
/* FIXME: can be null */
+ e.getMessage()
);
return false;
}
if (input[0].equals("add_element"))
{
success = handle_add_element(input);
}
else if (input[0].equals("is_accessed_by"))
{
success = handle_is_accessed_by(input);
}
else if (input[0].equals("is_waveform_of"))
{
success = handle_is_waveform_of(input);
}
else if (input[0].equals("is_port_of"))
{
success = handle_is_port_of(input);
}
else if (input[0].equals("is_architecture_of"))
{
success = handle_is_architecture_of(input);
}
else if (input[0].equals("belongs_to_architecture"))
{
success = handle_belongs_to_architecture(input);
}
else if (input[0].equals("is_component_of"))
{
success = handle_is_component_of(input);
}
else if (input[0].equals("port_maps"))
{
success = handle_port_maps(input);
}
else
{
continue;
}
if (!success)
{
System.err.println
(
"[E] An erroneous instruction was found in file \""
+ filename
+ "\"."
);
try
{
qp.finalize();
}
catch (final Exception e)
{
System.err.println("[E] Additionally:");
e.printStackTrace();
}
return false;
}
}
VHDLArchitecture.resolve_all_waveforms();
return true;
}
private static boolean handle_add_element
(
final String[] input
)
{
if (input.length != 3)
{
return false;
}
if (input[1].equals("entity"))
{
VHDLEntity.add_element(input[2]);
}
else if (input[1].equals("architecture"))
{
VHDLArchitecture.add_element(input[2]);
}
else if (input[1].equals("waveform"))
{
VHDLWaveform.add_element(input[2]);
}
else if (input[1].equals("process"))
{
VHDLProcess.add_element(input[2]);
}
else if (input[1].equals("component"))
{
VHDLComponent.add_element(input[2]);
}
return true;
}
private static boolean handle_is_accessed_by
(
final String[] input
)
{
final VHDLProcess ps;
final VHDLWaveform wfm;
if (input.length != 3)
{
return false;
}
ps = VHDLProcess.get_from_id(input[2]);
wfm = VHDLWaveform.find(input[1]);
if (wfm != null)
{
/*
* Assumes that otherwise it's a string, but that could also be due to
* an inconsistent model.
*/
ps.add_accessed_wfm(wfm);
}
return true;
}
private static boolean handle_is_waveform_of
(
final String[] input
)
{
if (input.length != 3)
{
return false;
}
Waveforms.register_map(input[1], input[2]);
return true;
}
private static boolean handle_is_port_of
(
final String[] input
)
{
if (input.length != 3)
{
return false;
}
VHDLEntity.get_from_id(input[2]).add_port(input[1]);
return true;
}
private static boolean handle_is_architecture_of
(
final String[] input
)
{
final VHDLEntity e;
final VHDLArchitecture arch;
if (input.length != 3)
{
return false;
}
e = VHDLEntity.get_from_id(input[2]);
arch = VHDLArchitecture.get_from_id(input[1]);
e.set_architecture(arch);
arch.set_entity(e);
return true;
}
private static boolean handle_belongs_to_architecture
(
final String[] input
)
{
final VHDLArchitecture arch;
final VHDLProcess ps;
final VHDLComponent cmp;
if (input.length != 3)
{
return false;
}
arch = VHDLArchitecture.get_from_id(input[2]);
ps = VHDLProcess.find(input[1]);
if (ps != null)
{
arch.add_process(ps);
ps.set_architecture(arch);
return true;
}
cmp = VHDLComponent.find(input[1]);
if (cmp != null)
{
arch.add_component(cmp);
cmp.set_architecture(arch);
return true;
}
arch.add_futur_waveform(input[1]);
return true;
}
private static boolean handle_is_component_of
(
final String[] input
)
{
if (input.length != 3)
{
return false;
}
VHDLComponent.get_from_id(input[1]).set_destination
(
VHDLEntity.get_from_id(input[2])
);
return true;
}
private static boolean handle_port_maps
(
final String[] input
)
{
if (input.length != 4)
{
return false;
}
VHDLComponent.get_from_id(input[1]).add_port_map
(
input[2],
input[3]
);
return true;
}
private ModelFile () {} /* Utility Class */
}
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