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Implement calls in the toolchain. (#2582)

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This adds tracking of call information plus basic type checking. It adds a builtin for the empty tuple, mainly so that I have the basis for a default function return type.

As an aside, it also unifies printing within SemanticsIR, fixing a missing comma after callables.

Co-authored-by: Richard Smith <richard@metafoo.co.uk>
This commit is contained in:
Jon Ross-Perkins
2023-02-13 16:15:04 -08:00
committed by GitHub
co-authored by Richard Smith
parent 22d7cd19ed
commit f7924aa93f
48 changed files with 1578 additions and 398 deletions
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toolchain/semantics/semantics_node_block_stack.cpp
+5 -4
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@@ -10,19 +10,20 @@
namespace Carbon {
auto SemanticsNodeBlockStack::Push() -> void {
CARBON_VLOG() << "NodeBlock Push " << stack_.size() << "\n";
CARBON_VLOG() << name_ << " Push " << stack_.size() << "\n";
CARBON_CHECK(stack_.size() < (1 << 20))
<< "Excessive stack size: likely infinite loop";
stack_.push_back(SemanticsNodeBlockId::Invalid);
}
auto SemanticsNodeBlockStack::PeekForAdd() -> SemanticsNodeBlockId {
CARBON_CHECK(!stack_.empty());
auto& back = stack_.back();
if (!back.is_valid()) {
SemanticsNodeBlockId block_id(node_blocks_->size());
node_blocks_->resize(block_id.index + 1);
back = block_id;
CARBON_VLOG() << "NodeBlock Add " << stack_.size() - 1 << ": " << back
CARBON_VLOG() << name_ << " Add " << stack_.size() - 1 << ": " << back
<< "\n";
}
return back;
@@ -30,7 +31,7 @@ auto SemanticsNodeBlockStack::PeekForAdd() -> SemanticsNodeBlockId {
auto SemanticsNodeBlockStack::Pop() -> SemanticsNodeBlockId {
auto back = stack_.pop_back_val();
CARBON_VLOG() << "NodeBlock Pop " << stack_.size() << ": " << back << "\n";
CARBON_VLOG() << name_ << " Pop " << stack_.size() << ": " << back << "\n";
if (!back.is_valid()) {
return SemanticsNodeBlockId::Empty;
}
@@ -39,7 +40,7 @@ auto SemanticsNodeBlockStack::Pop() -> SemanticsNodeBlockId {
auto SemanticsNodeBlockStack::PrintForStackDump(llvm::raw_ostream& output) const
-> void {
output << "SemanticsNodeBlockStack:\n";
output << name_ << ":\n";
for (int i = 0; i < static_cast<int>(stack_.size()); ++i) {
output << "\t" << i << ".\t" << stack_[i] << "\n";
}