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use super::*;
pub(super) fn extend(
out: &mut Vec<Node>,
vast_nodes: &str,
_out_typed_vast_nodes: &str,
num_nodes: Expr,
t: Expr,
_base: Expr,
typedef_annotations_available: bool,
) {
let has_typedef_annotations = if typedef_annotations_available {
Expr::u32(1)
} else {
Expr::u32(0)
};
let prior_typedef_scan_needed = if typedef_annotations_available {
Expr::eq(Expr::u32(1), Expr::u32(0))
} else {
Expr::or(
Expr::var("raw_lparen"),
Expr::or(
Expr::eq(Expr::var("raw_kind"), Expr::u32(TOK_STAR)),
Expr::eq(Expr::var("raw_kind"), Expr::u32(TOK_LBRACE)),
),
)
};
out.extend(vec![
Node::let_bind(
"in_parenthesized_declarator",
Expr::and(
Expr::eq(Expr::var("cur_parent_kind"), Expr::u32(TOK_LPAREN)),
Expr::or(
Expr::eq(Expr::var("parent_has_decl_prefix"), Expr::u32(1)),
Expr::or(
is_typeof_operator_token(
Expr::var("cur_parent_parent_kind"),
Expr::var("cur_parent_parent_symbol_hash"),
),
Expr::and(
Expr::or(
Expr::eq(
Expr::var("cur_parent_parent_kind"),
Expr::u32(TOK_LPAREN),
),
Expr::eq(Expr::var("ancestor_decl_prefix"), Expr::u32(1)),
),
Expr::or(
Expr::eq(Expr::var("parent_parent_has_decl_prefix"), Expr::u32(1)),
Expr::eq(Expr::var("ancestor_decl_prefix"), Expr::u32(1)),
),
),
),
),
),
),
Node::let_bind(
"effective_has_decl_prefix",
Expr::select(
Expr::or(
Expr::eq(Expr::var("has_decl_prefix"), Expr::u32(1)),
Expr::var("in_parenthesized_declarator"),
),
Expr::u32(1),
Expr::u32(0),
),
),
Node::let_bind(
"raw_lparen",
Expr::eq(Expr::var("raw_kind"), Expr::u32(TOK_LPAREN)),
),
Node::let_bind("prior_typedef_scan_needed", prior_typedef_scan_needed),
Node::let_bind("has_typedef_annotations", has_typedef_annotations),
Node::let_bind("has_prior_typedef", Expr::u32(0)),
Node::let_bind("has_prior_ordinary_decl", Expr::u32(0)),
Node::let_bind("has_prior_parenthesized_identifier_statement", Expr::u32(0)),
Node::if_then(
Expr::var("prior_typedef_scan_needed"),
vec![
Node::loop_for(
"typedef_annotation_scan",
Expr::u32(0),
num_nodes.clone(),
vec![Node::if_then(
Expr::ne(
Expr::load(
vast_nodes,
Expr::add(
Expr::mul(
Expr::var("typedef_annotation_scan"),
Expr::u32(VAST_NODE_STRIDE_U32),
),
Expr::u32(VAST_TYPEDEF_FLAGS_FIELD),
),
),
Expr::u32(0),
),
vec![Node::assign("has_typedef_annotations", Expr::u32(1))],
)],
),
Node::loop_for(
"prior_typedef_scan",
Expr::u32(0),
t.clone(),
vec![
Node::let_bind(
"prior_typedef_base",
Expr::mul(
Expr::var("prior_typedef_scan"),
Expr::u32(VAST_NODE_STRIDE_U32),
),
),
Node::if_then(
Expr::eq(
Expr::load(vast_nodes, Expr::var("prior_typedef_base")),
Expr::u32(TOK_TYPEDEF),
),
vec![Node::assign("has_prior_typedef", Expr::u32(1))],
),
Node::let_bind(
"prior_scan_prev_kind",
Expr::select(
Expr::gt(Expr::var("prior_typedef_scan"), Expr::u32(0)),
Expr::load(
vast_nodes,
Expr::sub(
Expr::var("prior_typedef_base"),
Expr::u32(VAST_NODE_STRIDE_U32),
),
),
Expr::u32(SENTINEL),
),
),
Node::let_bind(
"prior_scan_prev_prev_kind",
Expr::select(
Expr::gt(Expr::var("prior_typedef_scan"), Expr::u32(1)),
Expr::load(
vast_nodes,
Expr::sub(
Expr::var("prior_typedef_base"),
Expr::u32(VAST_NODE_STRIDE_U32 * 2),
),
),
Expr::u32(SENTINEL),
),
),
Node::let_bind(
"prior_scan_parent",
Expr::load(
vast_nodes,
Expr::add(Expr::var("prior_typedef_base"), Expr::u32(1)),
),
),
Node::let_bind(
"prior_scan_parent_kind",
Expr::select(
Expr::lt(Expr::var("prior_scan_parent"), num_nodes.clone()),
Expr::load(
vast_nodes,
Expr::mul(
Expr::var("prior_scan_parent"),
Expr::u32(VAST_NODE_STRIDE_U32),
),
),
Expr::u32(SENTINEL),
),
),
Node::let_bind(
"prior_scan_parent_prev_kind",
Expr::select(
Expr::and(
Expr::lt(Expr::var("prior_scan_parent"), num_nodes.clone()),
Expr::gt(Expr::var("prior_scan_parent"), Expr::u32(0)),
),
Expr::load(
vast_nodes,
Expr::mul(
Expr::sub(Expr::var("prior_scan_parent"), Expr::u32(1)),
Expr::u32(VAST_NODE_STRIDE_U32),
),
),
Expr::u32(SENTINEL),
),
),
Node::let_bind(
"prior_scan_parent_prev_prev_kind",
Expr::select(
Expr::and(
Expr::lt(Expr::var("prior_scan_parent"), num_nodes.clone()),
Expr::gt(Expr::var("prior_scan_parent"), Expr::u32(1)),
),
Expr::load(
vast_nodes,
Expr::mul(
Expr::sub(Expr::var("prior_scan_parent"), Expr::u32(2)),
Expr::u32(VAST_NODE_STRIDE_U32),
),
),
Expr::u32(SENTINEL),
),
),
Node::let_bind(
"prior_scan_in_aggregate_body",
Expr::and(
Expr::eq(
Expr::var("prior_scan_parent_kind"),
Expr::u32(TOK_LBRACE),
),
Expr::or(
any_token_eq(
Expr::var("prior_scan_parent_prev_kind"),
&[TOK_STRUCT, TOK_UNION, TOK_ENUM],
),
Expr::and(
Expr::eq(
Expr::var("prior_scan_parent_prev_kind"),
Expr::u32(TOK_IDENTIFIER),
),
any_token_eq(
Expr::var("prior_scan_parent_prev_prev_kind"),
&[TOK_STRUCT, TOK_UNION, TOK_ENUM],
),
),
),
),
),
Node::let_bind(
"prior_scan_next_kind",
Expr::select(
Expr::lt(
Expr::add(Expr::var("prior_typedef_scan"), Expr::u32(1)),
num_nodes.clone(),
),
Expr::load(
vast_nodes,
Expr::add(
Expr::var("prior_typedef_base"),
Expr::u32(VAST_NODE_STRIDE_U32),
),
),
Expr::u32(SENTINEL),
),
),
Node::if_then(
Expr::and(
Expr::and(
Expr::eq(
Expr::load(vast_nodes, Expr::var("prior_typedef_base")),
Expr::u32(TOK_IDENTIFIER),
),
Expr::and(
is_decl_prefix_token(Expr::var("prior_scan_prev_kind")),
Expr::and(
Expr::ne(
Expr::var("prior_scan_prev_kind"),
Expr::u32(TOK_TYPEDEF),
),
Expr::ne(
Expr::var("prior_scan_prev_prev_kind"),
Expr::u32(TOK_TYPEDEF),
),
),
),
),
Expr::and(
Expr::not(Expr::var("prior_scan_in_aggregate_body")),
any_token_eq(
Expr::var("prior_scan_next_kind"),
&[TOK_SEMICOLON, TOK_COMMA, TOK_ASSIGN, TOK_LBRACKET],
),
),
),
vec![Node::assign("has_prior_ordinary_decl", Expr::u32(1))],
),
Node::if_then(
Expr::and(
Expr::lt(
Expr::add(Expr::var("prior_typedef_scan"), Expr::u32(5)),
t.clone(),
),
Expr::and(
Expr::eq(
Expr::load(vast_nodes, Expr::var("prior_typedef_base")),
Expr::u32(TOK_LPAREN),
),
Expr::and(
Expr::eq(
Expr::load(
vast_nodes,
Expr::add(
Expr::var("prior_typedef_base"),
Expr::u32(VAST_NODE_STRIDE_U32),
),
),
Expr::u32(TOK_IDENTIFIER),
),
Expr::and(
Expr::eq(
Expr::load(
vast_nodes,
Expr::add(
Expr::var("prior_typedef_base"),
Expr::u32(VAST_NODE_STRIDE_U32 * 2),
),
),
Expr::u32(TOK_RPAREN),
),
Expr::eq(
Expr::load(
vast_nodes,
Expr::add(
Expr::var("prior_typedef_base"),
Expr::u32(VAST_NODE_STRIDE_U32 * 5),
),
),
Expr::u32(TOK_SEMICOLON),
),
),
),
),
),
vec![Node::assign(
"has_prior_parenthesized_identifier_statement",
Expr::u32(1),
)],
),
Node::if_then(
Expr::and(
Expr::eq(Expr::var("has_typedef_annotations"), Expr::u32(0)),
Expr::eq(
Expr::load(
vast_nodes,
Expr::add(
Expr::var("prior_typedef_base"),
Expr::u32(VAST_TYPEDEF_FLAGS_FIELD),
),
),
Expr::u32(C_TYPEDEF_FLAG_ORDINARY_DECLARATOR),
),
),
vec![Node::assign("has_prior_ordinary_decl", Expr::u32(1))],
),
],
),
],
),
Node::let_bind(
"ambiguous_parenthesized_identifier_multiply",
Expr::and(
Expr::and(
Expr::var("raw_lparen"),
Expr::eq(Expr::var("next_kind"), Expr::u32(TOK_STAR)),
),
Expr::eq(
Expr::var("has_prior_parenthesized_identifier_statement"),
Expr::u32(1),
),
),
),
Node::let_bind(
"fallback_has_prior_typedef",
Expr::and(
Expr::and(
Expr::eq(Expr::var("has_typedef_annotations"), Expr::u32(0)),
Expr::eq(Expr::var("has_prior_typedef"), Expr::u32(1)),
),
Expr::and(
Expr::eq(Expr::var("has_prior_ordinary_decl"), Expr::u32(0)),
Expr::not(Expr::var("ambiguous_parenthesized_identifier_multiply")),
),
),
),
]);
}