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hoaparse: validate use of explicit-labels and implicit-labels

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* src/hoaparse/hoaparse.yy: Here.
* src/tgbatest/hoaparse.test: Test it.
This commit is contained in:
Alexandre Duret-Lutz 2015-01-05 13:29:07 +01:00
parent 34b798e115
commit 578e390d8d
2 changed files with 114 additions and 12 deletions
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74
src/hoaparse/hoaparse.yy
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@ -54,7 +54,8 @@
// chance to reach the end of the current automaton in order to
// process the next one. Several variables below are used to keep
// track of various error conditions.
enum label_style_t { Mixed_Labels, State_Labels, Trans_Labels };
enum label_style_t { Mixed_Labels, State_Labels, Trans_Labels,
Implicit_Labels };
struct result_
{
@ -261,13 +262,32 @@ header: format-version header-items
}
// Process properties.
{
auto explicit_labels = res.props.find("explicit-labels");
auto implicit_labels = res.props.find("implicit-labels");
if (implicit_labels != res.props.end())
{
if (explicit_labels == res.props.end())
{
res.label_style = Implicit_Labels;
}
else
{
error(implicit_labels->second,
"'property: implicit-labels' is incompatible "
"with...");
error(explicit_labels->second,
"... 'property: explicit-labels'.");
}
}
auto trans_labels = res.props.find("trans-labels");
auto state_labels = res.props.find("state-labels");
if (trans_labels != res.props.end())
{
if (state_labels == res.props.end())
{
res.label_style = Trans_Labels;
if (res.label_style != Implicit_Labels)
res.label_style = Trans_Labels;
}
else
{
@ -279,7 +299,17 @@ header: format-version header-items
}
else if (state_labels != res.props.end())
{
res.label_style = State_Labels;
if (res.label_style != Implicit_Labels)
{
res.label_style = State_Labels;
}
else
{
error(state_labels->second,
"'property: state-labels' is incompatible with...");
error(implicit_labels->second,
"... 'property: implicit-labels'.");
}
}
}
}
@ -612,10 +642,21 @@ states: | states state
state: state-name labeled-edges
| state-name unlabeled-edges
{
if (!res.has_state_label)
if (!res.has_state_label) // Implicit labels
{
if (res.cur_guard != res.guards.end())
error(@$, "not enough transitions for this state");
if (res.label_style == State_Labels)
{
error(@2, "these transitions have implicit labels but the"
" automaton is...");
error(res.props["state-labels"], "... declared with "
"'property: state-labels'");
// Do not repeat this message.
res.label_style = Mixed_Labels;
}
res.cur_guard = res.guards.begin();
}
}
@ -649,12 +690,18 @@ state-label_opt: { res.has_state_label = false; }
res.has_state_label = true;
res.state_label_loc = @1;
res.state_label = res.cur_label;
if (res.label_style == Trans_Labels)
if (res.label_style == Trans_Labels
|| res.label_style == Implicit_Labels)
{
error(@$,
"state label used although the automaton was...");
error(res.props["trans-labels"],
"... declared with 'property: trans-labels' here");
if (res.label_style == Trans_Labels)
error(res.props["trans-labels"],
"... declared with 'property: trans-labels' here");
else
error(res.props["implicit-labels"],
"... declared with 'property: implicit-labels' "
"here");
// Do not show this error anymore.
res.label_style = Mixed_Labels;
}
@ -668,12 +715,19 @@ trans-label: label
"... the state is already labeled.");
res.cur_label = res.state_label;
}
if (res.label_style == State_Labels)
if (res.label_style == State_Labels
|| res.label_style == Implicit_Labels)
{
error(@$, "transition label used although the "
"automaton was...");
error(res.props["state-labels"],
"... declared with 'property: state-labels' here");
if (res.label_style == State_Labels)
error(res.props["state-labels"],
"... declared with 'property: state-labels' "
"here");
else
error(res.props["implicit-labels"],
"... declared with 'property: implicit-labels' "
"here");
// Do not show this error anymore.
res.label_style = Mixed_Labels;
}