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verification/rvgen: Convert __fill_verify_guards_func() to Lark

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Prepare to remove self.guards and self.__parse_constraints(), convert
__fill_verify_guards_func() to use the parsed transitions from Lark.

Reviewed-by: Gabriele Monaco <gmonaco@redhat.com>
Signed-off-by: Nam Cao <namcao@linutronix.de>
Link: https://lore.kernel.org/r/4f18c30b60d7c7138c0016cd6985d14a898b1eec.1781847583.git.namcao@linutronix.de
Signed-off-by: Gabriele Monaco <gmonaco@redhat.com>
This commit is contained in:
Nam Cao
2026-06-19 07:52:09 +02:00
committed by Gabriele Monaco
parent beb3a26e23
commit e0235729b0
1 changed files with 30 additions and 8 deletions
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38
tools/verification/rvgen/rvgen/dot2k.py
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@@ -221,6 +221,19 @@ class ha2k(dot2k):
def __parse_single_constraint(self, rule: dict, value: str) -> str:
return f"ha_get_env(ha_mon, {rule["env"]}{self.enum_suffix}, time_ns) {rule["op"]} {value}"
def __parse_guard_rule(self, rule) -> list[str]:
buff = []
for c, sep in rule.rules:
env = c.env + self.enum_suffix
op = c.op
val = self.__adjust_value(c.val, c.unit)
cond = f"ha_get_env(ha_mon, {env}, time_ns) {op} {val}"
if sep:
cond += f" {sep}"
buff.append(cond)
return buff
def __get_constraint_env(self, constr: str) -> str:
"""Extract the second argument from an ha_ function"""
env = constr.split("(")[1].split()[1].rstrip(")").rstrip(",")
@@ -291,7 +304,7 @@ class ha2k(dot2k):
rules = invalid_checks + rules
separator = "\n\t\t " if sum(len(r) for r in rules) > 80 else " "
return ["res = " + separator.join(rules)]
return ["res = " + separator.join(rules) + ";"]
def __validate_constraint(self, key: tuple[int, int] | int, constr: str,
rule, reset) -> None:
@@ -410,7 +423,8 @@ f"""static inline void ha_convert_inv_guard(struct ha_monitor *ha_mon,
def __fill_verify_guards_func(self) -> list[str]:
buff = []
if not self.guards:
if not self.has_guard:
return []
buff.append(
@@ -422,14 +436,22 @@ f"""static inline bool ha_verify_guards(struct ha_monitor *ha_mon,
""")
_else = ""
for edge, constr in sorted(self.guards.items()):
for transition in self.transitions:
if not transition.rule and not transition.reset:
continue
buff.append(f"\t{_else}if (curr_state == "
f"{self.states[edge[0]]}{self.enum_suffix} && "
f"event == {self.events[edge[1]]}{self.enum_suffix})")
if constr.count(";") > 0:
f"{transition.src}{self.enum_suffix} && "
f"event == {transition.event}{self.enum_suffix})")
rule = transition.rule
reset = transition.reset
if rule and reset:
buff[-1] += " {"
buff += [f"\t\t{c};" for c in constr.split(";")]
if constr.count(";") > 0:
if rule:
buff.append("\t\t" + self.__format_guard_rules(self.__parse_guard_rule(rule))[0])
if reset:
buff.append(f"\t\tha_reset_env(ha_mon, {reset.env}{self.enum_suffix}, time_ns);")
if rule and reset:
_else = "} else "
else:
_else = "else "