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use crate::parsing::go::lex::{TOK_LBRACE, TOK_LPAREN, TOK_RBRACE, TOK_RPAREN, TOK_STRING};
use crate::parsing::go::parse::token_predicates::{
token_is_ident, token_is_keyword, token_len, token_start, token_type_eq,
};
use crate::region::wrap_anonymous;
use vyre::ir::{BufferAccess, BufferDecl, DataType, Expr, Node, Program};
/// Words per emitted Go declaration record.
pub const GO_DECL_RECORD_WORDS: u32 = 5;
/// Words per emitted Go span record.
pub const GO_SPAN_RECORD_WORDS: u32 = 2;
/// Function declaration kind.
pub const GO_DECL_FUNC: u32 = 1;
/// Method declaration kind.
pub const GO_DECL_METHOD: u32 = 2;
/// Interface declaration kind.
pub const GO_DECL_INTERFACE: u32 = 3;
/// Extract `package` declarations and imported string spans.
#[must_use]
#[allow(clippy::too_many_arguments)]
pub fn go_extract_packages_and_imports(
tok_types: &str,
tok_starts: &str,
tok_lens: &str,
haystack: &str,
num_tokens: Expr,
out_packages: &str,
out_package_counts: &str,
out_imports: &str,
out_import_counts: &str,
) -> Program {
let t = Expr::gid_x();
let body = vec![
Node::if_then(
Expr::lt(Expr::add(t.clone(), Expr::u32(1)), num_tokens.clone()),
vec![Node::if_then(
token_is_keyword(
haystack,
tok_types,
tok_starts,
tok_lens,
t.clone(),
b"package",
),
vec![Node::if_then(
token_is_ident(tok_types, Expr::add(t.clone(), Expr::u32(1))),
vec![
Node::let_bind(
"pkg_idx",
Expr::atomic_add(
out_package_counts,
Expr::u32(0),
Expr::u32(GO_SPAN_RECORD_WORDS),
),
),
Node::store(
out_packages,
Expr::var("pkg_idx"),
token_start(tok_starts, Expr::add(t.clone(), Expr::u32(1))),
),
Node::store(
out_packages,
Expr::add(Expr::var("pkg_idx"), Expr::u32(1)),
token_len(tok_lens, Expr::add(t.clone(), Expr::u32(1))),
),
],
)],
)],
),
Node::if_then(
Expr::lt(Expr::add(t.clone(), Expr::u32(1)), num_tokens.clone()),
vec![Node::if_then(
token_is_keyword(
haystack,
tok_types,
tok_starts,
tok_lens,
t.clone(),
b"import",
),
vec![
Node::if_then(
token_type_eq(tok_types, Expr::add(t.clone(), Expr::u32(1)), TOK_STRING),
vec![
Node::let_bind(
"import_idx",
Expr::atomic_add(
out_import_counts,
Expr::u32(0),
Expr::u32(GO_SPAN_RECORD_WORDS),
),
),
Node::store(
out_imports,
Expr::var("import_idx"),
token_start(tok_starts, Expr::add(t.clone(), Expr::u32(1))),
),
Node::store(
out_imports,
Expr::add(Expr::var("import_idx"), Expr::u32(1)),
token_len(tok_lens, Expr::add(t.clone(), Expr::u32(1))),
),
],
),
Node::if_then(
token_type_eq(tok_types, Expr::add(t.clone(), Expr::u32(1)), TOK_LPAREN),
vec![
Node::let_bind("import_done", Expr::u32(0)),
Node::loop_for(
"scan",
Expr::add(t.clone(), Expr::u32(2)),
num_tokens.clone(),
vec![Node::if_then(
Expr::eq(Expr::var("import_done"), Expr::u32(0)),
vec![
Node::if_then(
token_type_eq(tok_types, Expr::var("scan"), TOK_STRING),
vec![
Node::let_bind(
"import_idx",
Expr::atomic_add(
out_import_counts,
Expr::u32(0),
Expr::u32(GO_SPAN_RECORD_WORDS),
),
),
Node::store(
out_imports,
Expr::var("import_idx"),
token_start(tok_starts, Expr::var("scan")),
),
Node::store(
out_imports,
Expr::add(
Expr::var("import_idx"),
Expr::u32(1),
),
token_len(tok_lens, Expr::var("scan")),
),
],
),
Node::if_then(
token_type_eq(tok_types, Expr::var("scan"), TOK_RPAREN),
vec![Node::assign("import_done", Expr::u32(1))],
),
],
)],
),
],
),
],
)],
),
];
Program::wrapped(
vec![
BufferDecl::storage(tok_types, 0, BufferAccess::ReadOnly, DataType::U32),
BufferDecl::storage(tok_starts, 1, BufferAccess::ReadOnly, DataType::U32),
BufferDecl::storage(tok_lens, 2, BufferAccess::ReadOnly, DataType::U32),
BufferDecl::storage(haystack, 3, BufferAccess::ReadOnly, DataType::U32),
BufferDecl::storage(out_packages, 4, BufferAccess::ReadWrite, DataType::U32),
BufferDecl::storage(
out_package_counts,
5,
BufferAccess::ReadWrite,
DataType::U32,
)
.with_count(1),
BufferDecl::storage(out_imports, 6, BufferAccess::ReadWrite, DataType::U32),
BufferDecl::storage(out_import_counts, 7, BufferAccess::ReadWrite, DataType::U32)
.with_count(1),
],
[256, 1, 1],
vec![wrap_anonymous(
"vyre-libs::parsing::go_extract_packages_and_imports",
vec![Node::if_then(Expr::lt(t, num_tokens), body)],
)],
)
.with_entry_op_id("vyre-libs::parsing::go_extract_packages_and_imports")
.with_non_composable_with_self(true)
}
/// Extract function, method, and interface declarations.
#[must_use]
#[allow(clippy::too_many_arguments)]
pub fn go_extract_declarations(
tok_types: &str,
tok_starts: &str,
tok_lens: &str,
haystack: &str,
num_tokens: Expr,
out_decls: &str,
out_decl_counts: &str,
) -> Program {
let t = Expr::gid_x();
let body = vec![
Node::if_then(
token_is_keyword(
haystack,
tok_types,
tok_starts,
tok_lens,
t.clone(),
b"func",
),
vec![
Node::let_bind("decl_kind", Expr::u32(GO_DECL_FUNC)),
Node::let_bind("name_tok", Expr::add(t.clone(), Expr::u32(1))),
Node::if_then(
token_type_eq(tok_types, Expr::var("name_tok"), TOK_LPAREN),
vec![
Node::assign("decl_kind", Expr::u32(GO_DECL_METHOD)),
Node::let_bind("recv_depth", Expr::u32(0)),
Node::let_bind("recv_done", Expr::u32(0)),
Node::let_bind("recv_end", Expr::var("name_tok")),
Node::loop_for(
"scan",
Expr::var("name_tok"),
num_tokens.clone(),
vec![Node::if_then(
Expr::eq(Expr::var("recv_done"), Expr::u32(0)),
vec![
Node::if_then(
token_type_eq(tok_types, Expr::var("scan"), TOK_LPAREN),
vec![Node::assign(
"recv_depth",
Expr::add(Expr::var("recv_depth"), Expr::u32(1)),
)],
),
Node::if_then(
token_type_eq(tok_types, Expr::var("scan"), TOK_RPAREN),
vec![
Node::assign(
"recv_depth",
Expr::sub(Expr::var("recv_depth"), Expr::u32(1)),
),
Node::if_then(
Expr::eq(Expr::var("recv_depth"), Expr::u32(0)),
vec![
Node::assign("recv_done", Expr::u32(1)),
Node::assign("recv_end", Expr::var("scan")),
],
),
],
),
],
)],
),
Node::assign("name_tok", Expr::add(Expr::var("recv_end"), Expr::u32(1))),
],
),
Node::if_then(
token_is_ident(tok_types, Expr::var("name_tok")),
vec![
Node::let_bind("body_start", Expr::u32(0)),
Node::let_bind("body_end", Expr::u32(0)),
Node::let_bind("brace_depth", Expr::u32(0)),
Node::let_bind("brace_done", Expr::u32(0)),
Node::loop_for(
"scan",
Expr::add(Expr::var("name_tok"), Expr::u32(1)),
num_tokens.clone(),
vec![Node::if_then(
Expr::eq(Expr::var("brace_done"), Expr::u32(0)),
vec![
Node::if_then(
token_type_eq(tok_types, Expr::var("scan"), TOK_LBRACE),
vec![
Node::if_then(
Expr::eq(Expr::var("brace_depth"), Expr::u32(0)),
vec![Node::assign(
"body_start",
token_start(tok_starts, Expr::var("scan")),
)],
),
Node::assign(
"brace_depth",
Expr::add(Expr::var("brace_depth"), Expr::u32(1)),
),
],
),
Node::if_then(
token_type_eq(tok_types, Expr::var("scan"), TOK_RBRACE),
vec![
Node::assign(
"brace_depth",
Expr::sub(Expr::var("brace_depth"), Expr::u32(1)),
),
Node::if_then(
Expr::eq(Expr::var("brace_depth"), Expr::u32(0)),
vec![
Node::assign(
"body_end",
Expr::add(
token_start(
tok_starts,
Expr::var("scan"),
),
token_len(tok_lens, Expr::var("scan")),
),
),
Node::assign("brace_done", Expr::u32(1)),
],
),
],
),
],
)],
),
Node::let_bind(
"decl_idx",
Expr::atomic_add(
out_decl_counts,
Expr::u32(0),
Expr::u32(GO_DECL_RECORD_WORDS),
),
),
Node::store(out_decls, Expr::var("decl_idx"), Expr::var("decl_kind")),
Node::store(
out_decls,
Expr::add(Expr::var("decl_idx"), Expr::u32(1)),
token_start(tok_starts, Expr::var("name_tok")),
),
Node::store(
out_decls,
Expr::add(Expr::var("decl_idx"), Expr::u32(2)),
token_len(tok_lens, Expr::var("name_tok")),
),
Node::store(
out_decls,
Expr::add(Expr::var("decl_idx"), Expr::u32(3)),
Expr::var("body_start"),
),
Node::store(
out_decls,
Expr::add(Expr::var("decl_idx"), Expr::u32(4)),
Expr::var("body_end"),
),
],
),
],
),
Node::if_then(
Expr::lt(Expr::add(t.clone(), Expr::u32(2)), num_tokens.clone()),
vec![Node::if_then(
Expr::and(
token_is_keyword(
haystack,
tok_types,
tok_starts,
tok_lens,
t.clone(),
b"type",
),
Expr::and(
token_is_ident(tok_types, Expr::add(t.clone(), Expr::u32(1))),
token_is_keyword(
haystack,
tok_types,
tok_starts,
tok_lens,
Expr::add(t.clone(), Expr::u32(2)),
b"interface",
),
),
),
vec![
Node::let_bind("body_start", Expr::u32(0)),
Node::let_bind("body_end", Expr::u32(0)),
Node::let_bind("brace_depth", Expr::u32(0)),
Node::let_bind("brace_done", Expr::u32(0)),
Node::loop_for(
"scan",
Expr::add(t.clone(), Expr::u32(3)),
num_tokens.clone(),
vec![Node::if_then(
Expr::eq(Expr::var("brace_done"), Expr::u32(0)),
vec![
Node::if_then(
token_type_eq(tok_types, Expr::var("scan"), TOK_LBRACE),
vec![
Node::if_then(
Expr::eq(Expr::var("brace_depth"), Expr::u32(0)),
vec![Node::assign(
"body_start",
token_start(tok_starts, Expr::var("scan")),
)],
),
Node::assign(
"brace_depth",
Expr::add(Expr::var("brace_depth"), Expr::u32(1)),
),
],
),
Node::if_then(
token_type_eq(tok_types, Expr::var("scan"), TOK_RBRACE),
vec![
Node::assign(
"brace_depth",
Expr::sub(Expr::var("brace_depth"), Expr::u32(1)),
),
Node::if_then(
Expr::eq(Expr::var("brace_depth"), Expr::u32(0)),
vec![
Node::assign(
"body_end",
Expr::add(
token_start(tok_starts, Expr::var("scan")),
token_len(tok_lens, Expr::var("scan")),
),
),
Node::assign("brace_done", Expr::u32(1)),
],
),
],
),
],
)],
),
Node::let_bind(
"decl_idx",
Expr::atomic_add(
out_decl_counts,
Expr::u32(0),
Expr::u32(GO_DECL_RECORD_WORDS),
),
),
Node::store(
out_decls,
Expr::var("decl_idx"),
Expr::u32(GO_DECL_INTERFACE),
),
Node::store(
out_decls,
Expr::add(Expr::var("decl_idx"), Expr::u32(1)),
token_start(tok_starts, Expr::add(t.clone(), Expr::u32(1))),
),
Node::store(
out_decls,
Expr::add(Expr::var("decl_idx"), Expr::u32(2)),
token_len(tok_lens, Expr::add(t.clone(), Expr::u32(1))),
),
Node::store(
out_decls,
Expr::add(Expr::var("decl_idx"), Expr::u32(3)),
Expr::var("body_start"),
),
Node::store(
out_decls,
Expr::add(Expr::var("decl_idx"), Expr::u32(4)),
Expr::var("body_end"),
),
],
)],
),
];
Program::wrapped(
vec![
BufferDecl::storage(tok_types, 0, BufferAccess::ReadOnly, DataType::U32),
BufferDecl::storage(tok_starts, 1, BufferAccess::ReadOnly, DataType::U32),
BufferDecl::storage(tok_lens, 2, BufferAccess::ReadOnly, DataType::U32),
BufferDecl::storage(haystack, 3, BufferAccess::ReadOnly, DataType::U32),
BufferDecl::storage(out_decls, 4, BufferAccess::ReadWrite, DataType::U32),
BufferDecl::storage(out_decl_counts, 5, BufferAccess::ReadWrite, DataType::U32)
.with_count(1),
],
[256, 1, 1],
vec![wrap_anonymous(
"vyre-libs::parsing::go_extract_declarations",
vec![Node::if_then(Expr::lt(t, num_tokens), body)],
)],
)
.with_entry_op_id("vyre-libs::parsing::go_extract_declarations")
.with_non_composable_with_self(true)
}