From 68905f339f4115b1daae8648e52ebd25f5cc6683 Mon Sep 17 00:00:00 2001
From: Kia <kia@special-circumstanc.es>
Date: Thu, 22 Apr 2021 09:35:10 -0600
Subject: [PATCH] conditionally add the components necessary for serializing if
we're asked to generate a parse tree
---
unoptimized_lr/simple_lr_automaton.py | 20 +++++++++++++-------
1 file changed, 13 insertions(+), 7 deletions(-)
diff --git a/unoptimized_lr/simple_lr_automaton.py b/unoptimized_lr/simple_lr_automaton.py
index f6107f9..5d2bd4a 100644
--- a/unoptimized_lr/simple_lr_automaton.py
+++ b/unoptimized_lr/simple_lr_automaton.py
@@ -180,7 +180,8 @@ class ParametrizationConstants():
def __init__(self, *, number_of_terminals, number_of_nonterminals,
number_of_states, number_of_reduce_rules,
length_of_longest_rule_RHS, maximum_number_of_stack_items,
- longest_serialized_parse_tree):
+ longest_serialized_parse_tree,
+ generating_tree):
self.number_of_terminals = number_of_terminals
self.number_of_nonterminals = number_of_nonterminals
self.number_of_states = number_of_states
@@ -188,6 +189,7 @@ class ParametrizationConstants():
self.length_of_longest_rule_RHS = length_of_longest_rule_RHS
self.maximum_number_of_stack_items = maximum_number_of_stack_items
self.longest_serialized_parse_tree = longest_serialized_parse_tree
+ self.generating_tree = generating_tree
# We calculate the ceil(log_2())'s here all in one go:
@@ -215,7 +217,7 @@ class ParametrizationConstants():
class LR_automaton_internal(Layout):
def __init__(self, *, parameters):
- super().__init__([
+ interfaces = [
# TABLES
("ShiftReduce_table_bus"),
("GOTO_table_bus"),
@@ -223,20 +225,24 @@ class LR_automaton_internal(Layout):
# STACKS
("parse_stack_bus"),
- ("index_stack_bus"),
- ])
+ ]
+ if(parameters.generating_tree == True):
+ interfaces.append(("index_stack_bus"))
+ super().__init__(interfaces)
class LR_automaton_external(Layout):
def __init__(self, *, parameters):
- super().__init__([
+ interfaces = [
# INPUT
("input_stream"),
# OUTPUTS
- ("serialization_bus"),
("sideband_bus")
- ])
+ ]
+ if (parameters.generating_tree == True):
+ interfaces.append(("serialization_bus"))
+ super().__init__(interfaces)
class SimpleLRAutomaton(Elaboratable):
def __init__(self, *, lr_tables, parameters):
--
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