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Generate parameter pattern-match IR from pattern IR (#4388)

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Also propagate the pattern IR along with the pattern-match IR, and use
it where appropriate.

Strictly speaking, some parts of the pattern-match IR are allocated
eagerly, while traversing the pattern's parse tree, but they still
aren't actually emitted until we traverse the associated pattern insts.

---------

Co-authored-by: Jon Ross-Perkins <jperkins@google.com>
This commit is contained in:
Geoff Romer
2024-10-16 19:15:29 +00:00
committed by GitHub
co-authored by Jon Ross-Perkins
parent 4a73b36688
commit 9d942f4633
347 changed files with 9148 additions and 5802 deletions
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toolchain/sem_ir/function.cpp
+29 -5
View File
@@ -49,19 +49,43 @@ auto GetCalleeFunction(const File& sem_ir, InstId callee_id) -> CalleeFunction {
return result;
}
auto Function::ParamPatternInfo::GetNameId(const File& sem_ir) -> NameId {
return sem_ir.entity_names().Get(entity_name_id).name_id;
}
auto Function::GetParamPatternInfoFromPatternId(const File& sem_ir,
InstId pattern_id)
-> ParamPatternInfo {
auto inst_id = pattern_id;
auto inst = sem_ir.insts().Get(inst_id);
if (auto addr_pattern = inst.TryAs<SemIR::AddrPattern>()) {
inst_id = addr_pattern->inner_id;
inst = sem_ir.insts().Get(inst_id);
}
auto param_pattern_id = inst_id;
auto param_pattern_inst = inst.As<SemIR::ParamPattern>();
inst_id = param_pattern_inst.subpattern_id;
inst = sem_ir.insts().Get(inst_id);
auto binding_pattern = inst.As<AnyBindingPattern>();
return {.inst_id = param_pattern_id,
.inst = param_pattern_inst,
.entity_name_id = binding_pattern.entity_name_id};
}
auto Function::GetParamFromParamRefId(const File& sem_ir, InstId param_ref_id)
-> ParamInfo {
auto ref = sem_ir.insts().Get(param_ref_id);
if (auto addr_pattern = ref.TryAs<AddrPattern>()) {
param_ref_id = addr_pattern->inner_id;
ref = sem_ir.insts().Get(param_ref_id);
}
auto bind_name = ref.TryAs<AnyBindName>();
if (bind_name) {
param_ref_id = bind_name->value_id;
ref = sem_ir.insts().Get(param_ref_id);
} else {
CARBON_FATAL();
}
return {param_ref_id, ref.As<Param>(), bind_name};
}