Files
carbon-lang/toolchain/check/handle_literal.cpp
T
Jon Ross-Perkins 1c748c0f14 Split semantics into check and sem_ir directories (#3176)
Continuing along with #3070. Note this is just a file rename, with BUILD
edits; every file previously in semantics/ should show as moved (except
maybe BUILDs, which split).
2023-08-31 19:54:32 +00:00

95 lines
3.3 KiB
C++

// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#include "toolchain/check/context.h"
namespace Carbon::Check {
auto HandleLiteral(Context& context, Parse::Node parse_node) -> bool {
auto token = context.parse_tree().node_token(parse_node);
switch (auto token_kind = context.tokens().GetKind(token)) {
case Lex::TokenKind::False:
case Lex::TokenKind::True: {
context.AddNodeAndPush(
parse_node,
SemIR::Node::BoolLiteral::Make(
parse_node,
context.CanonicalizeType(SemIR::NodeId::BuiltinBoolType),
token_kind == Lex::TokenKind::True ? SemIR::BoolValue::True
: SemIR::BoolValue::False));
break;
}
case Lex::TokenKind::IntegerLiteral: {
auto id = context.semantics_ir().AddIntegerLiteral(
context.tokens().GetIntegerLiteral(token));
context.AddNodeAndPush(
parse_node,
SemIR::Node::IntegerLiteral::Make(
parse_node,
context.CanonicalizeType(SemIR::NodeId::BuiltinIntegerType), id));
break;
}
case Lex::TokenKind::RealLiteral: {
auto token_value = context.tokens().GetRealLiteral(token);
auto id = context.semantics_ir().AddRealLiteral(
{.mantissa = token_value.mantissa,
.exponent = token_value.exponent,
.is_decimal = token_value.is_decimal});
context.AddNodeAndPush(
parse_node,
SemIR::Node::RealLiteral::Make(
parse_node,
context.CanonicalizeType(SemIR::NodeId::BuiltinFloatingPointType),
id));
break;
}
case Lex::TokenKind::StringLiteral: {
auto id = context.semantics_ir().AddString(
context.tokens().GetStringLiteral(token));
context.AddNodeAndPush(
parse_node,
SemIR::Node::StringLiteral::Make(
parse_node,
context.CanonicalizeType(SemIR::NodeId::BuiltinStringType), id));
break;
}
case Lex::TokenKind::Type: {
context.node_stack().Push(parse_node, SemIR::NodeId::BuiltinTypeType);
break;
}
case Lex::TokenKind::Bool: {
context.node_stack().Push(parse_node, SemIR::NodeId::BuiltinBoolType);
break;
}
case Lex::TokenKind::IntegerTypeLiteral: {
auto text = context.tokens().GetTokenText(token);
if (text != "i32") {
return context.TODO(parse_node, "Currently only i32 is allowed");
}
context.node_stack().Push(parse_node, SemIR::NodeId::BuiltinIntegerType);
break;
}
case Lex::TokenKind::FloatingPointTypeLiteral: {
auto text = context.tokens().GetTokenText(token);
if (text != "f64") {
return context.TODO(parse_node, "Currently only f64 is allowed");
}
context.node_stack().Push(parse_node,
SemIR::NodeId::BuiltinFloatingPointType);
break;
}
case Lex::TokenKind::StringTypeLiteral: {
context.node_stack().Push(parse_node, SemIR::NodeId::BuiltinStringType);
break;
}
default: {
return context.TODO(parse_node, llvm::formatv("Handle {0}", token_kind));
}
}
return true;
}
} // namespace Carbon::Check