public void Build(
EmitSyntax emit,
Pipe <EmitSyntax> ldCursor,
Pipe <EmitSyntax> ldTokenPtr)
{
var labels = emit.Labels;
var locals = emit.Locals;
var RETURN = labels.Generate();
var valueTmp = locals.Generate();
var tokenId = locals.Generate();
emit
.Local(valueTmp, emit.Types.Object)
.Ldnull()
.Stloc(valueTmp.GetRef())
.Local(tokenId, emit.Types.Int32)
.Ldc_I4(-1)
.Stloc(tokenId.GetRef())
;
int ruleCount = data.Grammar.Conditions.Sum(cond => cond.Matchers.Count);
var action = new Ref <Labels> [ruleCount];
for (int i = 0; i != ruleCount; ++i)
{
action[i] = labels.Generate().GetRef();
}
emit
.Do(ldCursor)
.Ldfld((ScanCursor c) => c.CurrentActionId)
.Switch(action)
;
foreach (var cond in data.Grammar.Conditions)
{
var contextResolver = new ContextCode(
emit,
il => il
.Do(ldCursor)
.Ldfld((ScanCursor c) => c.RootContext),
null,
data,
cond.ContextProvider);
IActionCode code = new MatcherCode(
emit,
contextResolver,
ldCursor,
declaringType,
data.Grammar.Conditions,
RETURN.GetRef());
foreach (var matcher in cond.Matchers)
{
emit
.Label(action[matcher.Index].Def)
.Ldc_I4(matcher.Outcome == null ? -1 : matcher.Outcome.Index)
.Stloc(tokenId.GetRef())
;
var productionBinding = matcher.Joint.The <CilMatcher>();
code = code
.Do(productionBinding.Context.Load)
.Do(productionBinding.ActionBuilder);
}
}
// Load null value for incorrectly implemented actions
emit.Ldnull();
emit
.Label(RETURN)
.Stloc(valueTmp.GetRef())
.Do(ldTokenPtr)
.Ldloc(valueTmp.GetRef())
.Stind_Ref()
.Ldloc(tokenId.GetRef())
.Ret()
;
}
public void Build(
EmitSyntax emit,
Pipe<EmitSyntax> ldCursor,
Pipe<EmitSyntax> ldTokenPtr)
{
var labels = emit.Labels;
var locals = emit.Locals;
var RETURN = labels.Generate();
var valueTmp = locals.Generate();
var tokenId = locals.Generate();
emit
.Local(valueTmp, emit.Types.Object)
.Ldnull()
.Stloc(valueTmp.GetRef())
.Local(tokenId, emit.Types.Int32)
.Ldc_I4(-1)
.Stloc(tokenId.GetRef())
;
int ruleCount = data.Grammar.Conditions.Sum(cond => cond.Matchers.Count);
var action = new Ref<Labels>[ruleCount];
for (int i = 0; i != ruleCount; ++i)
{
action[i] = labels.Generate().GetRef();
}
emit
.Do(ldCursor)
.Ldfld((ScanCursor c) => c.CurrentActionId)
.Switch(action)
;
foreach (var cond in data.Grammar.Conditions)
{
var contextResolver = new ContextCode(
emit,
il => il
.Do(ldCursor)
.Ldfld((ScanCursor c) => c.RootContext),
null,
data,
cond.ContextProvider);
IActionCode code = new MatcherCode(
emit,
contextResolver,
ldCursor,
declaringType,
data.Grammar.Conditions,
RETURN.GetRef());
foreach (var matcher in cond.Matchers)
{
emit
.Label(action[matcher.Index].Def)
.Ldc_I4(matcher.Outcome == null ? -1 : matcher.Outcome.Index)
.Stloc(tokenId.GetRef())
;
var productionBinding = matcher.Joint.The<CilMatcher>();
code = code
.Do(productionBinding.Context.Load)
.Do(productionBinding.ActionBuilder);
}
}
// Load null value for incorrectly implemented actions
emit.Ldnull();
emit
.Label(RETURN)
.Stloc(valueTmp.GetRef())
.Do(ldTokenPtr)
.Ldloc(valueTmp.GetRef())
.Stind_Ref()
.Ldloc(tokenId.GetRef())
.Ret()
;
}
