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use super::super::*;
use super::*;
use crate::parsing::c::lex::tokens::*;
use vyre::ir::{Expr, Node};
pub(crate) fn emit_prior_ternary_boundary_flag(
raw_vast_nodes: &str,
_parent_expr: Expr,
target: Expr,
active: Expr,
prefix: &str,
) -> Vec<Node> {
let flag = format!("{prefix}_use_ternary_boundaries");
let stop = format!("{prefix}_ternary_boundary_stop");
let scan = format!("{prefix}_ternary_boundary_scan");
let cursor = format!("{prefix}_ternary_boundary_cursor");
let cursor_valid = format!("{prefix}_ternary_boundary_cursor_valid");
let safe_cursor = format!("{prefix}_ternary_boundary_safe_cursor");
let base = format!("{prefix}_ternary_boundary_base");
let raw = format!("{prefix}_ternary_boundary_raw");
let is_prior_ternary = format!("{prefix}_is_prior_ternary_boundary");
vec![
Node::let_bind(&flag, Expr::u32(0)),
Node::let_bind(&stop, Expr::u32(0)),
Node::let_bind(
&cursor,
Expr::load(
raw_vast_nodes,
Expr::add(
Expr::mul(target.clone(), Expr::u32(VAST_NODE_STRIDE_U32)),
Expr::u32(VAST_PREVIOUS_SIBLING_FIELD),
),
),
),
Node::if_then(
active,
vec![Node::loop_for(
&scan,
Expr::u32(0),
target.clone(),
vec![Node::if_then(
Expr::eq(Expr::var(&stop), Expr::u32(0)),
vec![
Node::let_bind(&cursor_valid, Expr::lt(Expr::var(&cursor), target.clone())),
Node::let_bind(
&safe_cursor,
Expr::select(
Expr::var(&cursor_valid),
Expr::var(&cursor),
Expr::u32(0),
),
),
Node::let_bind(
&base,
Expr::mul(Expr::var(&safe_cursor), Expr::u32(VAST_NODE_STRIDE_U32)),
),
Node::let_bind(&raw, Expr::load(raw_vast_nodes, Expr::var(&base))),
Node::if_then(
Expr::and(
Expr::var(&cursor_valid),
is_expr_shape_boundary(Expr::var(&raw), true),
),
vec![
Node::let_bind(
&is_prior_ternary,
Expr::or(
Expr::eq(Expr::var(&raw), Expr::u32(TOK_QUESTION)),
Expr::eq(Expr::var(&raw), Expr::u32(TOK_COLON)),
),
),
Node::if_then(
Expr::var(&is_prior_ternary),
vec![Node::assign(&flag, Expr::u32(1))],
),
Node::assign(&stop, Expr::u32(1)),
],
),
Node::if_then_else(
Expr::var(&cursor_valid),
vec![Node::assign(
&cursor,
Expr::load(
raw_vast_nodes,
Expr::add(
Expr::var(&base),
Expr::u32(VAST_PREVIOUS_SIBLING_FIELD),
),
),
)],
vec![Node::assign(&stop, Expr::u32(1))],
),
],
)],
)],
),
]
}
pub(crate) fn emit_expr_segment_bounds(
raw_vast_nodes: &str,
_parent_expr: Expr,
target: Expr,
num_nodes: Expr,
prefix: &str,
include_ternary_parts: bool,
active: Expr,
) -> Vec<Node> {
let start = format!("{prefix}_seg_start");
let end = format!("{prefix}_seg_end");
let scan = format!("{prefix}_seg_scan");
let cursor = format!("{prefix}_seg_cursor");
let cursor_valid = format!("{prefix}_seg_cursor_valid");
let safe_cursor = format!("{prefix}_seg_safe_cursor");
let base = format!("{prefix}_seg_base");
let raw = format!("{prefix}_seg_raw");
let seen_left_boundary = format!("{prefix}_seen_left_boundary");
let seen_right_boundary = format!("{prefix}_seen_right_boundary");
vec![
Node::let_bind(&start, Expr::u32(0)),
Node::let_bind(&end, num_nodes.clone()),
Node::let_bind(&seen_left_boundary, Expr::u32(0)),
Node::let_bind(
&cursor,
Expr::load(
raw_vast_nodes,
Expr::add(
Expr::mul(target.clone(), Expr::u32(VAST_NODE_STRIDE_U32)),
Expr::u32(VAST_PREVIOUS_SIBLING_FIELD),
),
),
),
Node::if_then(
active.clone(),
vec![Node::loop_for(
&scan,
Expr::u32(0),
target.clone(),
vec![Node::if_then(
Expr::eq(Expr::var(&seen_left_boundary), Expr::u32(0)),
vec![
Node::let_bind(&cursor_valid, Expr::lt(Expr::var(&cursor), target.clone())),
Node::let_bind(
&safe_cursor,
Expr::select(
Expr::var(&cursor_valid),
Expr::var(&cursor),
Expr::u32(0),
),
),
Node::let_bind(
&base,
Expr::mul(Expr::var(&safe_cursor), Expr::u32(VAST_NODE_STRIDE_U32)),
),
Node::let_bind(&raw, Expr::load(raw_vast_nodes, Expr::var(&base))),
Node::if_then(
Expr::and(
Expr::var(&cursor_valid),
is_expr_shape_boundary(Expr::var(&raw), include_ternary_parts),
),
vec![
Node::assign(&start, Expr::add(Expr::var(&cursor), Expr::u32(1))),
Node::assign(&seen_left_boundary, Expr::u32(1)),
],
),
Node::if_then_else(
Expr::var(&cursor_valid),
vec![Node::assign(
&cursor,
Expr::load(
raw_vast_nodes,
Expr::add(
Expr::var(&base),
Expr::u32(VAST_PREVIOUS_SIBLING_FIELD),
),
),
)],
vec![Node::assign(&seen_left_boundary, Expr::u32(1))],
),
],
)],
)],
),
Node::let_bind(&seen_right_boundary, Expr::u32(0)),
Node::assign(
&cursor,
Expr::load(
raw_vast_nodes,
Expr::add(
Expr::mul(target.clone(), Expr::u32(VAST_NODE_STRIDE_U32)),
Expr::u32(3),
),
),
),
Node::if_then(
active,
vec![Node::loop_for(
&scan,
Expr::add(target, Expr::u32(1)),
num_nodes,
vec![Node::if_then(
Expr::eq(Expr::var(&seen_right_boundary), Expr::u32(0)),
vec![
Node::let_bind(
&cursor_valid,
Expr::lt(Expr::var(&cursor), Expr::var(&end)),
),
Node::let_bind(
&safe_cursor,
Expr::select(
Expr::var(&cursor_valid),
Expr::var(&cursor),
Expr::u32(0),
),
),
Node::let_bind(
&base,
Expr::mul(Expr::var(&safe_cursor), Expr::u32(VAST_NODE_STRIDE_U32)),
),
Node::let_bind(&raw, Expr::load(raw_vast_nodes, Expr::var(&base))),
Node::if_then(
Expr::and(
Expr::var(&cursor_valid),
is_expr_shape_boundary(Expr::var(&raw), include_ternary_parts),
),
vec![
Node::assign(&end, Expr::var(&cursor)),
Node::assign(&seen_right_boundary, Expr::u32(1)),
],
),
Node::if_then_else(
Expr::var(&cursor_valid),
vec![Node::assign(
&cursor,
Expr::load(
raw_vast_nodes,
Expr::add(Expr::var(&base), Expr::u32(3)),
),
)],
vec![Node::assign(&seen_right_boundary, Expr::u32(1))],
),
],
)],
)],
),
]
}
pub(crate) fn emit_expr_root_scan(
raw_vast_nodes: &str,
typed_vast_nodes: &str,
lo: Expr,
hi: Expr,
parent_expr: Expr,
active: Expr,
prefix: &str,
) -> Vec<Node> {
let root = format!("{prefix}_root");
let root_prec = format!("{prefix}_root_prec");
let operand = format!("{prefix}_operand");
let scan = format!("{prefix}_scan");
let base = format!("{prefix}_base");
let raw = format!("{prefix}_raw");
let typed = format!("{prefix}_typed");
let parent = format!("{prefix}_parent");
let shape = format!("{prefix}_shape");
let prec = format!("{prefix}_prec");
let assoc = format!("{prefix}_assoc");
let is_operator = format!("{prefix}_is_operator");
let replace_root = format!("{prefix}_replace_root");
vec![
Node::let_bind(&root, Expr::u32(SENTINEL)),
Node::let_bind(&root_prec, Expr::u32(u32::MAX)),
Node::let_bind(&operand, Expr::u32(SENTINEL)),
Node::if_then(
active,
vec![Node::loop_for(
&scan,
lo,
hi,
vec![
Node::let_bind(
&base,
Expr::mul(Expr::var(&scan), Expr::u32(VAST_NODE_STRIDE_U32)),
),
Node::let_bind(&raw, Expr::load(raw_vast_nodes, Expr::var(&base))),
Node::let_bind(&typed, Expr::load(typed_vast_nodes, Expr::var(&base))),
Node::let_bind(
&parent,
Expr::load(raw_vast_nodes, Expr::add(Expr::var(&base), Expr::u32(1))),
),
Node::let_bind(
&shape,
c_expr_shape_kind(Expr::var(&raw), Expr::var(&typed)),
),
Node::let_bind(
&prec,
c_expr_operator_precedence(Expr::var(&raw), Expr::var(&typed)),
),
Node::let_bind(&assoc, c_expr_operator_associativity(Expr::var(&typed))),
Node::let_bind(
&is_operator,
Expr::ne(Expr::var(&shape), Expr::u32(C_EXPR_SHAPE_NONE)),
),
Node::if_then(
Expr::or(
Expr::eq(Expr::var(&parent), parent_expr.clone()),
Expr::var(&is_operator),
),
vec![
Node::if_then(
Expr::and(
Expr::eq(Expr::var(&operand), Expr::u32(SENTINEL)),
Expr::and(
Expr::eq(Expr::var(&parent), parent_expr.clone()),
Expr::and(
Expr::not(Expr::var(&is_operator)),
Expr::not(is_expr_shape_boundary(
Expr::var(&raw),
true,
)),
),
),
),
vec![Node::assign(&operand, Expr::var(&scan))],
),
Node::let_bind(
&replace_root,
Expr::or(
Expr::eq(Expr::var(&root), Expr::u32(SENTINEL)),
Expr::or(
Expr::lt(Expr::var(&prec), Expr::var(&root_prec)),
Expr::and(
Expr::eq(Expr::var(&prec), Expr::var(&root_prec)),
Expr::eq(
Expr::var(&assoc),
Expr::u32(C_EXPR_ASSOC_LEFT),
),
),
),
),
),
Node::if_then(
Expr::and(Expr::var(&is_operator), Expr::var(&replace_root)),
vec![
Node::assign(&root, Expr::var(&scan)),
Node::assign(&root_prec, Expr::var(&prec)),
],
),
],
),
],
)],
),
Node::if_then(
Expr::eq(Expr::var(&root), Expr::u32(SENTINEL)),
vec![Node::assign(&root, Expr::var(&operand))],
),
]
}