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turso/core/vdbe/explain.rs
Zaid Humayun b8bebf3fa3 translate: updated the command to more closely match SQLite semantics 
the command for drop table translation has been updated so that it more closely matches the semantics of SQLite's drop table command.

there are a few more things missing like ephemeral tables, destroy etc.
2025-02-19 21:46:25 +05:30

1303 lines
39 KiB
Rust
Raw Blame History

use crate::vdbe::builder::CursorType;
use super::{Insn, InsnReference, OwnedValue, Program};
use std::rc::Rc;
pub fn insn_to_str(
program: &Program,
addr: InsnReference,
insn: &Insn,
indent: String,
manual_comment: Option<&'static str>,
) -> String {
let (opcode, p1, p2, p3, p4, p5, comment): (&str, i32, i32, i32, OwnedValue, u16, String) =
match insn {
Insn::Init { target_pc } => (
"Init",
0,
target_pc.to_debug_int(),
0,
OwnedValue::build_text(""),
0,
format!("Start at {}", target_pc.to_debug_int()),
),
Insn::Add { lhs, rhs, dest } => (
"Add",
*lhs as i32,
*rhs as i32,
*dest as i32,
OwnedValue::build_text(""),
0,
format!("r[{}]=r[{}]+r[{}]", dest, lhs, rhs),
),
Insn::Subtract { lhs, rhs, dest } => (
"Subtract",
*lhs as i32,
*rhs as i32,
*dest as i32,
OwnedValue::build_text(""),
0,
format!("r[{}]=r[{}]-r[{}]", dest, lhs, rhs),
),
Insn::Multiply { lhs, rhs, dest } => (
"Multiply",
*lhs as i32,
*rhs as i32,
*dest as i32,
OwnedValue::build_text(""),
0,
format!("r[{}]=r[{}]*r[{}]", dest, lhs, rhs),
),
Insn::Divide { lhs, rhs, dest } => (
"Divide",
*lhs as i32,
*rhs as i32,
*dest as i32,
OwnedValue::build_text(""),
0,
format!("r[{}]=r[{}]/r[{}]", dest, lhs, rhs),
),
Insn::BitAnd { lhs, rhs, dest } => (
"BitAnd",
*lhs as i32,
*rhs as i32,
*dest as i32,
OwnedValue::build_text(""),
0,
format!("r[{}]=r[{}]&r[{}]", dest, lhs, rhs),
),
Insn::BitOr { lhs, rhs, dest } => (
"BitOr",
*lhs as i32,
*rhs as i32,
*dest as i32,
OwnedValue::build_text(""),
0,
format!("r[{}]=r[{}]|r[{}]", dest, lhs, rhs),
),
Insn::BitNot { reg, dest } => (
"BitNot",
*reg as i32,
*dest as i32,
0,
OwnedValue::build_text(""),
0,
format!("r[{}]=~r[{}]", dest, reg),
),
Insn::Checkpoint {
database,
checkpoint_mode: _,
dest,
} => (
"Checkpoint",
*database as i32,
*dest as i32,
0,
OwnedValue::build_text(""),
0,
format!("r[{}]=~r[{}]", dest, database),
),
Insn::Remainder { lhs, rhs, dest } => (
"Remainder",
*lhs as i32,
*rhs as i32,
*dest as i32,
OwnedValue::build_text(""),
0,
format!("r[{}]=r[{}]%r[{}]", dest, lhs, rhs),
),
Insn::Null { dest, dest_end } => (
"Null",
0,
*dest as i32,
dest_end.map_or(0, |end| end as i32),
OwnedValue::build_text(""),
0,
dest_end.map_or(format!("r[{}]=NULL", dest), |end| {
format!("r[{}..{}]=NULL", dest, end)
}),
),
Insn::NullRow { cursor_id } => (
"NullRow",
*cursor_id as i32,
0,
0,
OwnedValue::build_text(""),
0,
format!("Set cursor {} to a (pseudo) NULL row", cursor_id),
),
Insn::NotNull { reg, target_pc } => (
"NotNull",
*reg as i32,
target_pc.to_debug_int(),
0,
OwnedValue::build_text(""),
0,
format!("r[{}]!=NULL -> goto {}", reg, target_pc.to_debug_int()),
),
Insn::Compare {
start_reg_a,
start_reg_b,
count,
} => (
"Compare",
*start_reg_a as i32,
*start_reg_b as i32,
*count as i32,
OwnedValue::build_text(""),
0,
format!(
"r[{}..{}]==r[{}..{}]",
start_reg_a,
start_reg_a + (count - 1),
start_reg_b,
start_reg_b + (count - 1)
),
),
Insn::Jump {
target_pc_lt,
target_pc_eq,
target_pc_gt,
} => (
"Jump",
target_pc_lt.to_debug_int(),
target_pc_eq.to_debug_int(),
target_pc_gt.to_debug_int(),
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::Move {
source_reg,
dest_reg,
count,
} => (
"Move",
*source_reg as i32,
*dest_reg as i32,
*count as i32,
OwnedValue::build_text(""),
0,
format!(
"r[{}..{}]=r[{}..{}]",
dest_reg,
dest_reg + (count - 1),
source_reg,
source_reg + (count - 1)
),
),
Insn::IfPos {
reg,
target_pc,
decrement_by,
} => (
"IfPos",
*reg as i32,
target_pc.to_debug_int(),
0,
OwnedValue::build_text(""),
0,
format!(
"r[{}]>0 -> r[{}]-={}, goto {}",
reg,
reg,
decrement_by,
target_pc.to_debug_int()
),
),
Insn::Eq {
lhs,
rhs,
target_pc,
..
} => (
"Eq",
*lhs as i32,
*rhs as i32,
target_pc.to_debug_int(),
OwnedValue::build_text(""),
0,
format!(
"if r[{}]==r[{}] goto {}",
lhs,
rhs,
target_pc.to_debug_int()
),
),
Insn::Ne {
lhs,
rhs,
target_pc,
..
} => (
"Ne",
*lhs as i32,
*rhs as i32,
target_pc.to_debug_int(),
OwnedValue::build_text(""),
0,
format!(
"if r[{}]!=r[{}] goto {}",
lhs,
rhs,
target_pc.to_debug_int()
),
),
Insn::Lt {
lhs,
rhs,
target_pc,
..
} => (
"Lt",
*lhs as i32,
*rhs as i32,
target_pc.to_debug_int(),
OwnedValue::build_text(""),
0,
format!("if r[{}]<r[{}] goto {}", lhs, rhs, target_pc.to_debug_int()),
),
Insn::Le {
lhs,
rhs,
target_pc,
..
} => (
"Le",
*lhs as i32,
*rhs as i32,
target_pc.to_debug_int(),
OwnedValue::build_text(""),
0,
format!(
"if r[{}]<=r[{}] goto {}",
lhs,
rhs,
target_pc.to_debug_int()
),
),
Insn::Gt {
lhs,
rhs,
target_pc,
..
} => (
"Gt",
*lhs as i32,
*rhs as i32,
target_pc.to_debug_int(),
OwnedValue::build_text(""),
0,
format!("if r[{}]>r[{}] goto {}", lhs, rhs, target_pc.to_debug_int()),
),
Insn::Ge {
lhs,
rhs,
target_pc,
..
} => (
"Ge",
*lhs as i32,
*rhs as i32,
target_pc.to_debug_int(),
OwnedValue::build_text(""),
0,
format!(
"if r[{}]>=r[{}] goto {}",
lhs,
rhs,
target_pc.to_debug_int()
),
),
Insn::If {
reg,
target_pc,
jump_if_null,
} => (
"If",
*reg as i32,
target_pc.to_debug_int(),
*jump_if_null as i32,
OwnedValue::build_text(""),
0,
format!("if r[{}] goto {}", reg, target_pc.to_debug_int()),
),
Insn::IfNot {
reg,
target_pc,
jump_if_null,
} => (
"IfNot",
*reg as i32,
target_pc.to_debug_int(),
*jump_if_null as i32,
OwnedValue::build_text(""),
0,
format!("if !r[{}] goto {}", reg, target_pc.to_debug_int()),
),
Insn::OpenReadAsync {
cursor_id,
root_page,
} => (
"OpenReadAsync",
*cursor_id as i32,
*root_page as i32,
0,
OwnedValue::build_text(""),
0,
format!(
"table={}, root={}",
program.cursor_ref[*cursor_id]
.0
.as_ref()
.unwrap_or(&format!("cursor {}", cursor_id)),
root_page
),
),
Insn::OpenReadAwait => (
"OpenReadAwait",
0,
0,
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::VOpenAsync { cursor_id } => (
"VOpenAsync",
*cursor_id as i32,
0,
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::VOpenAwait => (
"VOpenAwait",
0,
0,
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::VFilter {
cursor_id,
pc_if_empty,
arg_count,
..
} => (
"VFilter",
*cursor_id as i32,
pc_if_empty.to_debug_int(),
*arg_count as i32,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::VColumn {
cursor_id,
column,
dest,
} => (
"VColumn",
*cursor_id as i32,
*column as i32,
*dest as i32,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::VNext {
cursor_id,
pc_if_next,
} => (
"VNext",
*cursor_id as i32,
pc_if_next.to_debug_int(),
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::OpenPseudo {
cursor_id,
content_reg,
num_fields,
} => (
"OpenPseudo",
*cursor_id as i32,
*content_reg as i32,
*num_fields as i32,
OwnedValue::build_text(""),
0,
format!("{} columns in r[{}]", num_fields, content_reg),
),
Insn::RewindAsync { cursor_id } => (
"RewindAsync",
*cursor_id as i32,
0,
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::RewindAwait {
cursor_id,
pc_if_empty,
} => (
"RewindAwait",
*cursor_id as i32,
pc_if_empty.to_debug_int(),
0,
OwnedValue::build_text(""),
0,
format!(
"Rewind table {}",
program.cursor_ref[*cursor_id]
.0
.as_ref()
.unwrap_or(&format!("cursor {}", cursor_id))
),
),
Insn::Column {
cursor_id,
column,
dest,
} => {
let (table_identifier, cursor_type) = &program.cursor_ref[*cursor_id];
let column_name: Option<&String> = match cursor_type {
CursorType::BTreeTable(table) => {
let name = table.columns.get(*column).unwrap().name.as_ref();
name
}
CursorType::BTreeIndex(index) => {
let name = &index.columns.get(*column).unwrap().name;
Some(name)
}
CursorType::Pseudo(pseudo_table) => {
let name = pseudo_table.columns.get(*column).unwrap().name.as_ref();
name
}
CursorType::Sorter => None,
CursorType::VirtualTable(v) => v.columns.get(*column).unwrap().name.as_ref(),
};
(
"Column",
*cursor_id as i32,
*column as i32,
*dest as i32,
OwnedValue::build_text(""),
0,
format!(
"r[{}]={}.{}",
dest,
table_identifier
.as_ref()
.unwrap_or(&format!("cursor {}", cursor_id)),
column_name.unwrap_or(&format!("column {}", *column))
),
)
}
Insn::MakeRecord {
start_reg,
count,
dest_reg,
} => (
"MakeRecord",
*start_reg as i32,
*count as i32,
*dest_reg as i32,
OwnedValue::build_text(""),
0,
format!(
"r[{}]=mkrec(r[{}..{}])",
dest_reg,
start_reg,
start_reg + count - 1,
),
),
Insn::ResultRow { start_reg, count } => (
"ResultRow",
*start_reg as i32,
*count as i32,
0,
OwnedValue::build_text(""),
0,
if *count == 1 {
format!("output=r[{}]", start_reg)
} else {
format!("output=r[{}..{}]", start_reg, start_reg + count - 1)
},
),
Insn::NextAsync { cursor_id } => (
"NextAsync",
*cursor_id as i32,
0,
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::NextAwait {
cursor_id,
pc_if_next,
} => (
"NextAwait",
*cursor_id as i32,
pc_if_next.to_debug_int(),
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::Halt {
err_code,
description: _,
} => (
"Halt",
*err_code as i32,
0,
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::Transaction { write } => (
"Transaction",
0,
*write as i32,
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::Goto { target_pc } => (
"Goto",
0,
target_pc.to_debug_int(),
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::Gosub {
target_pc,
return_reg,
} => (
"Gosub",
*return_reg as i32,
target_pc.to_debug_int(),
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::Return { return_reg } => (
"Return",
*return_reg as i32,
0,
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::Integer { value, dest } => (
"Integer",
*value as i32,
*dest as i32,
0,
OwnedValue::build_text(""),
0,
format!("r[{}]={}", dest, value),
),
Insn::Real { value, dest } => (
"Real",
0,
*dest as i32,
0,
OwnedValue::Float(*value),
0,
format!("r[{}]={}", dest, value),
),
Insn::RealAffinity { register } => (
"RealAffinity",
*register as i32,
0,
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::String8 { value, dest } => (
"String8",
0,
*dest as i32,
0,
OwnedValue::build_text(value),
0,
format!("r[{}]='{}'", dest, value),
),
Insn::Blob { value, dest } => (
"Blob",
0,
*dest as i32,
0,
OwnedValue::Blob(Rc::new(value.clone())),
0,
format!(
"r[{}]={} (len={})",
dest,
String::from_utf8_lossy(value),
value.len()
),
),
Insn::RowId { cursor_id, dest } => (
"RowId",
*cursor_id as i32,
*dest as i32,
0,
OwnedValue::build_text(""),
0,
format!(
"r[{}]={}.rowid",
dest,
&program.cursor_ref[*cursor_id]
.0
.as_ref()
.unwrap_or(&format!("cursor {}", cursor_id))
),
),
Insn::SeekRowid {
cursor_id,
src_reg,
target_pc,
} => (
"SeekRowid",
*cursor_id as i32,
*src_reg as i32,
target_pc.to_debug_int(),
OwnedValue::build_text(""),
0,
format!(
"if (r[{}]!={}.rowid) goto {}",
src_reg,
&program.cursor_ref[*cursor_id]
.0
.as_ref()
.unwrap_or(&format!("cursor {}", cursor_id)),
target_pc.to_debug_int()
),
),
Insn::DeferredSeek {
index_cursor_id,
table_cursor_id,
} => (
"DeferredSeek",
*index_cursor_id as i32,
*table_cursor_id as i32,
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::SeekGT {
is_index: _,
cursor_id,
start_reg,
num_regs: _,
target_pc,
} => (
"SeekGT",
*cursor_id as i32,
target_pc.to_debug_int(),
*start_reg as i32,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::SeekGE {
is_index: _,
cursor_id,
start_reg,
num_regs: _,
target_pc,
} => (
"SeekGE",
*cursor_id as i32,
target_pc.to_debug_int(),
*start_reg as i32,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::IdxGT {
cursor_id,
start_reg,
num_regs: _,
target_pc,
} => (
"IdxGT",
*cursor_id as i32,
target_pc.to_debug_int(),
*start_reg as i32,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::IdxGE {
cursor_id,
start_reg,
num_regs: _,
target_pc,
} => (
"IdxGE",
*cursor_id as i32,
target_pc.to_debug_int(),
*start_reg as i32,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::IdxLT {
cursor_id,
start_reg,
num_regs: _,
target_pc,
} => (
"IdxLT",
*cursor_id as i32,
target_pc.to_debug_int(),
*start_reg as i32,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::IdxLE {
cursor_id,
start_reg,
num_regs: _,
target_pc,
} => (
"IdxLE",
*cursor_id as i32,
target_pc.to_debug_int(),
*start_reg as i32,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::DecrJumpZero { reg, target_pc } => (
"DecrJumpZero",
*reg as i32,
target_pc.to_debug_int(),
0,
OwnedValue::build_text(""),
0,
format!("if (--r[{}]==0) goto {}", reg, target_pc.to_debug_int()),
),
Insn::AggStep {
func,
acc_reg,
delimiter: _,
col,
} => (
"AggStep",
0,
*col as i32,
*acc_reg as i32,
OwnedValue::build_text(func.to_string()),
0,
format!("accum=r[{}] step(r[{}])", *acc_reg, *col),
),
Insn::AggFinal { register, func } => (
"AggFinal",
0,
*register as i32,
0,
OwnedValue::build_text(func.to_string()),
0,
format!("accum=r[{}]", *register),
),
Insn::SorterOpen {
cursor_id,
columns,
order,
} => {
let _p4 = String::new();
let to_print: Vec<String> = order
.get_values()
.iter()
.map(|v| match v {
OwnedValue::Integer(i) => {
if *i == 0 {
"B".to_string()
} else {
"-B".to_string()
}
}
_ => unreachable!(),
})
.collect();
(
"SorterOpen",
*cursor_id as i32,
*columns as i32,
0,
OwnedValue::build_text(&(format!("k({},{})", order.len(), to_print.join(",")))),
0,
format!("cursor={}", cursor_id),
)
}
Insn::SorterData {
cursor_id,
dest_reg,
pseudo_cursor,
} => (
"SorterData",
*cursor_id as i32,
*dest_reg as i32,
*pseudo_cursor as i32,
OwnedValue::build_text(""),
0,
format!("r[{}]=data", dest_reg),
),
Insn::SorterInsert {
cursor_id,
record_reg,
} => (
"SorterInsert",
*cursor_id as i32,
*record_reg as i32,
0,
OwnedValue::Integer(0),
0,
format!("key=r[{}]", record_reg),
),
Insn::SorterSort {
cursor_id,
pc_if_empty,
} => (
"SorterSort",
*cursor_id as i32,
pc_if_empty.to_debug_int(),
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::SorterNext {
cursor_id,
pc_if_next,
} => (
"SorterNext",
*cursor_id as i32,
pc_if_next.to_debug_int(),
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::Function {
constant_mask,
start_reg,
dest,
func,
} => (
"Function",
*constant_mask,
*start_reg as i32,
*dest as i32,
OwnedValue::build_text(&func.func.to_string()),
0,
if func.arg_count == 0 {
format!("r[{}]=func()", dest)
} else if *start_reg == *start_reg + func.arg_count - 1 {
format!("r[{}]=func(r[{}])", dest, start_reg)
} else {
format!(
"r[{}]=func(r[{}..{}])",
dest,
start_reg,
start_reg + func.arg_count - 1
)
},
),
Insn::InitCoroutine {
yield_reg,
jump_on_definition,
start_offset,
} => (
"InitCoroutine",
*yield_reg as i32,
jump_on_definition.to_debug_int(),
start_offset.to_debug_int(),
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::EndCoroutine { yield_reg } => (
"EndCoroutine",
*yield_reg as i32,
0,
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::Yield {
yield_reg,
end_offset,
} => (
"Yield",
*yield_reg as i32,
end_offset.to_debug_int(),
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::InsertAsync {
cursor,
key_reg,
record_reg,
flag,
} => (
"InsertAsync",
*cursor as i32,
*record_reg as i32,
*key_reg as i32,
OwnedValue::build_text(""),
*flag as u16,
"".to_string(),
),
Insn::InsertAwait { cursor_id } => (
"InsertAwait",
*cursor_id as i32,
0,
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::DeleteAsync { cursor_id } => (
"DeleteAsync",
*cursor_id as i32,
0,
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::DeleteAwait { cursor_id } => (
"DeleteAwait",
*cursor_id as i32,
0,
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::NewRowid {
cursor,
rowid_reg,
prev_largest_reg,
} => (
"NewRowId",
*cursor as i32,
*rowid_reg as i32,
*prev_largest_reg as i32,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::MustBeInt { reg } => (
"MustBeInt",
*reg as i32,
0,
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::SoftNull { reg } => (
"SoftNull",
*reg as i32,
0,
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::NotExists {
cursor,
rowid_reg,
target_pc,
} => (
"NotExists",
*cursor as i32,
target_pc.to_debug_int(),
*rowid_reg as i32,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::OffsetLimit {
limit_reg,
combined_reg,
offset_reg,
} => (
"OffsetLimit",
*limit_reg as i32,
*combined_reg as i32,
*offset_reg as i32,
OwnedValue::build_text(""),
0,
format!(
"if r[{}]>0 then r[{}]=r[{}]+max(0,r[{}]) else r[{}]=(-1)",
limit_reg, combined_reg, limit_reg, offset_reg, combined_reg
),
),
Insn::OpenWriteAsync {
cursor_id,
root_page,
} => (
"OpenWriteAsync",
*cursor_id as i32,
*root_page as i32,
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::OpenWriteAwait {} => (
"OpenWriteAwait",
0,
0,
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::Copy {
src_reg,
dst_reg,
amount,
} => (
"Copy",
*src_reg as i32,
*dst_reg as i32,
*amount as i32,
OwnedValue::build_text(""),
0,
format!("r[{}]=r[{}]", dst_reg, src_reg),
),
Insn::CreateBtree { db, root, flags } => (
"CreateBtree",
*db as i32,
*root as i32,
*flags as i32,
OwnedValue::build_text(""),
0,
format!("r[{}]=root iDb={} flags={}", root, db, flags),
),
Insn::DropTable { db, root } => (
"DropTable",
*db as i32,
*root as i32,
0,
OwnedValue::build_text(Rc::new("".to_string())),
0,
format!("root iDb={}", db),
),
Insn::Close { cursor_id } => (
"Close",
*cursor_id as i32,
0,
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::LastAsync { .. } => (
"LastAsync",
0,
0,
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::IsNull { reg, target_pc } => (
"IsNull",
*reg as i32,
target_pc.to_debug_int(),
0,
OwnedValue::build_text(""),
0,
format!("if (r[{}]==NULL) goto {}", reg, target_pc.to_debug_int()),
),
Insn::ParseSchema { db, where_clause } => (
"ParseSchema",
*db as i32,
0,
0,
OwnedValue::build_text(where_clause),
0,
where_clause.clone(),
),
Insn::LastAwait { .. } => (
"LastAwait",
0,
0,
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::PrevAsync { .. } => (
"PrevAsync",
0,
0,
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::PrevAwait { .. } => (
"PrevAwait",
0,
0,
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::ShiftRight { lhs, rhs, dest } => (
"ShiftRight",
*rhs as i32,
*lhs as i32,
*dest as i32,
OwnedValue::build_text(""),
0,
format!("r[{}]=r[{}] >> r[{}]", dest, lhs, rhs),
),
Insn::ShiftLeft { lhs, rhs, dest } => (
"ShiftLeft",
*rhs as i32,
*lhs as i32,
*dest as i32,
OwnedValue::build_text(""),
0,
format!("r[{}]=r[{}] << r[{}]", dest, lhs, rhs),
),
Insn::Variable { index, dest } => (
"Variable",
usize::from(*index) as i32,
*dest as i32,
0,
OwnedValue::build_text(""),
0,
format!("r[{}]=parameter({})", *dest, *index),
),
Insn::ZeroOrNull { rg1, rg2, dest } => (
"ZeroOrNull",
*rg1 as i32,
*dest as i32,
*rg2 as i32,
OwnedValue::build_text(""),
0,
format!(
"((r[{}]=NULL)|(r[{}]=NULL)) ? r[{}]=NULL : r[{}]=0",
rg1, rg2, dest, dest
),
),
Insn::Not { reg, dest } => (
"Not",
*reg as i32,
*dest as i32,
0,
OwnedValue::build_text(""),
0,
format!("r[{}]=!r[{}]", dest, reg),
),
Insn::Concat { lhs, rhs, dest } => (
"Concat",
*rhs as i32,
*lhs as i32,
*dest as i32,
OwnedValue::build_text(""),
0,
format!("r[{}]=r[{}] + r[{}]", dest, lhs, rhs),
),
Insn::And { lhs, rhs, dest } => (
"And",
*rhs as i32,
*lhs as i32,
*dest as i32,
OwnedValue::build_text(""),
0,
format!("r[{}]=(r[{}] && r[{}])", dest, lhs, rhs),
),
Insn::Or { lhs, rhs, dest } => (
"Or",
*rhs as i32,
*lhs as i32,
*dest as i32,
OwnedValue::build_text(""),
0,
format!("r[{}]=(r[{}] || r[{}])", dest, lhs, rhs),
),
Insn::Noop => (
"Noop",
0,
0,
0,
OwnedValue::build_text(""),
0,
String::new(),
),
Insn::PageCount { db, dest } => (
"Pagecount",
*db as i32,
*dest as i32,
0,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::ReadCookie { db, dest, cookie } => (
"ReadCookie",
*db as i32,
*dest as i32,
*cookie as i32,
OwnedValue::build_text(""),
0,
"".to_string(),
),
Insn::AutoCommit {
auto_commit,
rollback,
} => (
"AutoCommit",
*auto_commit as i32,
*rollback as i32,
0,
OwnedValue::build_text(""),
0,
format!("auto_commit={}, rollback={}", auto_commit, rollback),
),
};
format!(
"{:<4} {:<17} {:<4} {:<4} {:<4} {:<13} {:<2} {}",
addr,
&(indent + opcode),
p1,
p2,
p3,
p4.to_string(),
p5,
manual_comment.map_or(comment.to_string(), |mc| format!("{}; {}", comment, mc))
)
}
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