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pub mod ast_interpreter;
pub mod builtins;
pub mod components;
pub mod json_to_rust;
pub mod variable_handler;
pub use json_to_rust::{json_to_literal, memory_to_literal};
use crate::data::error_info::ErrorInfo;
use crate::data::position::Position;
use crate::data::{ast::*, primitive::PrimitiveNull, Data, Hold, Literal, MessageData, MSG};
use crate::error_format::*;
use crate::interpreter::{
ast_interpreter::{for_loop, match_actions, solve_if_statement},
variable_handler::{expr_to_literal, interval::interval_from_expr},
};
use crate::parser::ExitCondition;
use nom::lib::std::collections::HashMap;
use std::sync::mpsc;
fn step_vars_to_json(map: HashMap<String, Literal>) -> serde_json::Value {
let mut json_map = serde_json::Map::new();
for (key, val) in map.iter() {
let content_type = &val.content_type;
json_map.insert(key.to_owned(), val.primitive.format_mem(content_type, true));
}
serde_json::json!(json_map)
}
pub fn interpret_scope(
actions: &Block,
data: &mut Data,
instruction_index: &Option<usize>,
sender: &Option<mpsc::Sender<MSG>>,
) -> Result<MessageData, ErrorInfo> {
let mut message_data = MessageData::default();
for (action, instruction_info) in actions.commands.iter() {
let instruction_total = instruction_info.index + instruction_info.total;
if let Some(instruction_index) = instruction_index {
if *instruction_index >= instruction_total {
continue;
}
}
if message_data.exit_condition.is_some() {
return Ok(message_data);
}
match action {
Expr::ObjectExpr(ObjectType::Return(var)) => {
let lit = expr_to_literal(var, false, None, data, &mut message_data, &None)?;
message_data.exit_condition = Some(ExitCondition::Return(lit));
return Ok(message_data);
}
Expr::ObjectExpr(ObjectType::Break(..)) => {
message_data.exit_condition = Some(ExitCondition::Break);
return Ok(message_data);
}
Expr::ObjectExpr(ObjectType::Hold(..)) => {
message_data.exit_condition = Some(ExitCondition::Hold);
let index = instruction_info.index;
let map = data.step_vars.to_owned();
let hold = Hold::new(index, step_vars_to_json(map));
message_data.hold = Some(hold.to_owned());
MSG::send(&sender, MSG::Hold(hold));
return Ok(message_data);
}
Expr::ObjectExpr(fun) => {
message_data = match_actions(fun, message_data, data, *instruction_index, &sender)?
}
Expr::IfExpr(ref if_statement) => {
message_data = solve_if_statement(
if_statement,
message_data,
data,
instruction_index,
instruction_info,
&sender,
)?;
}
Expr::ForEachExpr(ident, i, expr, block, range) => {
message_data = for_loop(
ident,
i,
expr,
block,
range,
message_data,
data,
instruction_index,
&sender,
)?
}
e => {
return Err(gen_error_info(
Position::new(interval_from_expr(e)),
ERROR_START_INSTRUCTIONS.to_owned(),
));
}
};
}
Ok(message_data)
}
pub fn interpret_function_scope(
actions: &Block,
data: &mut Data,
interval: Interval,
) -> Result<Literal, ErrorInfo> {
let mut message_data = MessageData::default();
for (action, instruction_info) in actions.commands.iter() {
match action {
Expr::ObjectExpr(ObjectType::Return(var)) => {
let lit = expr_to_literal(var, false, None, data, &mut message_data, &None)?;
return Ok(lit);
}
Expr::ObjectExpr(fun) => {
message_data = match_actions(fun, message_data, data, None, &None)?
}
Expr::IfExpr(ref if_statement) => {
message_data = solve_if_statement(
if_statement,
message_data,
data,
&None,
instruction_info,
&None,
)?;
}
Expr::ForEachExpr(ident, i, expr, block, range) => {
message_data = for_loop(
ident,
i,
expr,
block,
range,
message_data,
data,
&None,
&None,
)?
}
e => {
return Err(gen_error_info(
Position::new(interval_from_expr(e)),
ERROR_START_INSTRUCTIONS.to_owned(),
));
}
};
if let Some(ExitCondition::Return(lit)) = message_data.exit_condition {
return Ok(lit);
}
}
Ok(PrimitiveNull::get_literal(interval))
}