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Diffstat (limited to 'ast-to-instr/src/VHDLCSNode.java')
| -rw-r--r-- | ast-to-instr/src/VHDLCSNode.java | 261 |
1 files changed, 256 insertions, 5 deletions
diff --git a/ast-to-instr/src/VHDLCSNode.java b/ast-to-instr/src/VHDLCSNode.java index de11c7b..8c30795 100644 --- a/ast-to-instr/src/VHDLCSNode.java +++ b/ast-to-instr/src/VHDLCSNode.java @@ -9,16 +9,31 @@ import java.util.ArrayList; import java.util.Collection; /* If Statement Node */ -public class VHDLISNode extends VHDLNode +public class VHDLCSNode extends VHDLNode { - private static final XPathExpression XPE_FIND_SUB_NODES; + private static final XPathExpression XPE_FIND_SOURCES; + private static final XPathExpression XPE_FIND_OTHERS_BRANCH; + private static final XPathExpression XPE_FIND_WHEN_BRANCHES; static { - XPE_FIND_SUB_NODES = XMLManager.compile_or_die("./el"); + XPE_FIND_SOURCES = XMLManager.compile_or_die + ( + "./expression//named_entity" + ); + + XPE_FIND_OTHERS_BRANCH = XMLManager.compile_or_die + ( + "./case_statement_alternative_chain/el[@kind=\"choice_by_others\"]" + ); + + XPE_FIND_WHEN_BRANCHES = XMLManager.compile_or_die + ( + "./case_statement_alternative_chain/el[@kind=\"choice_by_expression\"]" + ); } - public VHDLISNode + public VHDLCSNode ( final IDs parent_id, final Node xml_node, @@ -41,7 +56,243 @@ public class VHDLISNode extends VHDLNode public Collection<ParsableXML> parse () throws XPathExpressionException { + final Collection<ParsableXML> result; + final String xml_id; + final IDs local_id; + + result = new ArrayList<ParsableXML>(); + + xml_id = XMLManager.get_attribute(xml_node, "id"); + + local_id = IDs.get_id_from_xml_id(xml_id, "node"); + + /** Functions ***********************************************************/ + handle_function_label(local_id); + handle_function_kind(local_id); + handle_function_depth(local_id); + handle_function_expression(local_id); + + /** Predicates **********************************************************/ + handle_predicate_has_option(local_id); + handle_predicate_expr_reads(local_id); + + /** Children ************************************************************/ + result.addAll(handle_when_branches(local_id)); + result.addAll(handle_others_branch(local_id)); + + return result; + } + + /***************************************************************************/ + /** Functions **************************************************************/ + /***************************************************************************/ + private void handle_function_label + ( + final IDs local_id + ) + { + Functions.add_entry + ( + "label", + local_id, + Strings.get_id_from_string + ( + XMLManager.get_attribute(xml_node, "label") + ) + ); + } + + private void handle_function_kind + ( + final IDs local_id + ) + { + Functions.add_entry + ( + "kind", + local_id, + Strings.get_id_from_string("case") + ); + } + + private void handle_function_depth + ( + final IDs local_id + ) + { + Functions.add_entry + ( + "depth", + local_id, + Strings.get_id_from_string + ( + Integer.toString(depth) + ) + ); + } + + private void handle_function_expression + ( + final IDs local_id + ) + { /* TODO */ - return null; + } + + /***************************************************************************/ + /** Predicates *************************************************************/ + /***************************************************************************/ + private void handle_predicate_has_option + ( + final IDs local_id + ) + { + for (final String s: attributes) + { + Predicates.add_entry + ( + "has_option", + local_id, + Strings.get_id_from_string(s) + ); + } + } + + private void handle_predicate_expr_reads + ( + final IDs local_id + ) + throws XPathExpressionException + { + final NodeList named_entities; + final int named_entities_count; + + named_entities = + (NodeList) XPE_FIND_SOURCES.evaluate + ( + xml_node, + XPathConstants.NODESET + ); + + named_entities_count = named_entities.getLength(); + + for (int i = 0; i < named_entities_count; ++i) + { + final String ref; + + ref = XMLManager.get_attribute(named_entities.item(0), "ref"); + + if (!Main.node_is_function_or_literal(ref)) + { + Predicates.add_entry + ( + "expr_reads", + local_id, + Waveforms.get_associated_waveform_id + ( + IDs.get_id_from_xml_id(ref, (String) null) + ) + ); + } + } + } + + /***************************************************************************/ + /** Children ***************************************************************/ + /***************************************************************************/ + private Collection<ParsableXML> handle_when_branches + ( + final IDs local_id + ) + throws XPathExpressionException + { + final Collection<ParsableXML> result; + final NodeList when_branches; + final int when_branches_length; + + result = new ArrayList<ParsableXML>(); + + when_branches = + (NodeList) XPE_FIND_WHEN_BRANCHES.evaluate + ( + xml_node, + XPathConstants.NODESET + ); + + + when_branches_length = when_branches.getLength(); + + for (int i = 0; i < when_branches_length; ++i) + { + result.add + ( + new VHDLWNode + ( + parent_id, + when_branches.item(i), + next_node, + (depth + 1), + new String[0] + ) + ); + } + + return result; + } + + private Collection<ParsableXML> handle_others_branch + ( + final IDs local_id + ) + throws XPathExpressionException + { + final Collection<ParsableXML> result; + final Node others_branch; + + result = new ArrayList<ParsableXML>(); + + others_branch = + (Node) XPE_FIND_OTHERS_BRANCH.evaluate + ( + xml_node, + XPathConstants.NODE + ); + + if (others_branch == (Node) null) + { + if (next_node == (IDs) null) + { + Predicates.add_entry + ( + "is_final", + local_id + ); + } + else + { + Predicates.add_entry + ( + "node_connect", + local_id, + next_node + ); + } + } + else + { + result.add + ( + new VHDLWNode + ( + parent_id, + others_branch, + next_node, + (depth + 1), + new String[] {"WHEN_OTHERS"} + ) + ); + } + + return result; } } |