jeff/dust
1
0
Fork 0
Code

Implement function declarations

Browse Source
This commit is contained in:
Jeff 2023-11-30 09:30:25 -05:00
parent 57b06df9c2
commit 0ee26dcf0d
18 changed files with 8782 additions and 12865 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

408
grammar.js
View File

@ -1,408 +0,0 @@
module.exports = grammar({
name: "dust",
word: $ => $.identifier,
extras: $ => [/\s/, $._comment],
rules: {
root: $ =>
prec(1, repeat1($.statement)),
_comment: $ => /[#][^#\n]*[#|\n]/,
block: $ =>
seq(
optional("async"),
"{",
repeat1($.statement),
"}",
),
statement: $ =>
prec.left(
seq(
choice(
$.assignment,
$.block,
$.expression,
$.for,
$.if_else,
$.index_assignment,
$.match,
$.return,
$.use,
$.while,
),
optional(";"),
),
),
expression: $ =>
prec.right(
choice(
$._expression_kind,
seq(
"(",
$._expression_kind,
")",
),
),
),
_expression_kind: $ =>
prec.right(
choice(
$.function_call,
$.identifier,
$.index,
$.logic,
$.math,
$.value,
$.yield,
),
),
_expression_list: $ =>
repeat1(
prec.right(
seq(
$.expression,
optional(","),
),
),
),
identifier: $ =>
/[_a-zA-Z]+[_a-zA-Z0-9]?/,
value: $ =>
choice(
$.integer,
$.float,
$.string,
$.boolean,
$.list,
$.function,
$.table,
$.map,
),
integer: $ =>
token(
prec.left(
seq(
optional("-"),
repeat1(
choice(
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9",
"0",
),
),
),
),
),
float: $ =>
token(
prec.left(
seq(
optional("-"),
repeat1(
choice(
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9",
"0",
),
),
".",
repeat1(
choice(
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9",
"0",
),
),
),
),
),
string: $ =>
/("[^"]*?")|('[^']*?')|(`[^`]*?`)/,
boolean: $ =>
choice("true", "false"),
list: $ =>
seq(
"[",
repeat(
prec.left(
seq(
$.expression,
optional(","),
),
),
),
"]",
),
map: $ =>
seq(
"{",
repeat(
seq(
$.identifier,
"=",
$.statement,
optional(","),
),
),
"}",
),
index: $ =>
prec.left(
1,
seq(
$.expression,
":",
$.expression,
optional(
seq("..", $.expression),
),
),
),
math: $ =>
prec.left(
seq(
$.expression,
$.math_operator,
$.expression,
),
),
math_operator: $ =>
choice("+", "-", "*", "/", "%"),
logic: $ =>
prec.right(
seq(
$.expression,
$.logic_operator,
$.expression,
),
),
logic_operator: $ =>
choice(
"==",
"!=",
"&&",
"||",
">",
"<",
">=",
"<=",
),
assignment: $ =>
seq(
field(
"identifier",
$.identifier,
),
optional(
field(
"type",
$.type_definition,
),
),
field(
"assignment_operator",
$.assignment_operator,
),
field("statement", $.statement),
),
index_assignment: $ =>
seq(
$.index,
$.assignment_operator,
$.statement,
),
assignment_operator: $ =>
prec.right(
choice("=", "+=", "-="),
),
if_else: $ =>
prec.right(
seq(
$.if,
repeat($.else_if),
optional($.else),
),
),
if: $ =>
seq("if", $.expression, $.block),
else_if: $ =>
seq(
"else if",
$.expression,
$.block,
),
else: $ => seq("else", $.block),
match: $ =>
prec.right(
seq(
"match",
$.expression,
repeat1(
seq(
$.expression,
"=>",
$.block,
),
),
),
),
while: $ =>
seq(
"while",
$.expression,
$.block,
),
for: $ =>
seq(
choice("for", "async for"),
$.identifier,
"in",
$.expression,
$.block,
),
identifier_list: $ =>
prec.right(
choice(
seq(
"|",
repeat(
seq(
$.identifier,
optional(","),
),
),
"|",
),
),
),
table: $ =>
prec.right(
seq(
"table",
$.identifier_list,
$.expression,
),
),
return: $ =>
seq("return", $.expression),
use: $ => seq("use", $.string),
type_definition: $ =>
seq("<", $.type, ">"),
type: $ =>
prec.right(
choice(
"any",
"bool",
"float",
seq(
"fn",
repeat(
seq(
$.type,
optional(","),
),
),
optional(seq("->", $.type)),
),
"int",
seq("list", $.type),
"map",
"num",
"str",
),
),
function: $ =>
seq(
"|",
repeat(
seq(
$.identifier,
optional(","),
),
),
"|",
$.block,
),
function_call: $ =>
prec.right(
1,
seq(
"(",
$.expression,
optional($._expression_list),
")",
),
),
yield: $ =>
prec.left(
seq(
$.expression,
"->",
"(",
$.expression,
optional($._expression_list),
")",
),
),
},
});

43
src/abstract_tree/assignment.rs
View File

@ -1,9 +1,7 @@
use serde::{Deserialize, Serialize};
use tree_sitter::Node;
use crate::{
AbstractTree, Error, Function, Identifier, Map, Result, Statement, Type, TypeDefinition, Value,
};
use crate::{AbstractTree, Error, Identifier, Map, Result, Statement, Type, TypeDefinition, Value};
#[derive(Debug, Clone, Serialize, Deserialize, Eq, PartialEq, PartialOrd, Ord)]
pub struct Assignment {
@ -24,23 +22,25 @@ impl AbstractTree for Assignment {
fn from_syntax_node(source: &str, node: Node, context: &Map) -> Result<Self> {
Error::expect_syntax_node(source, "assignment", node)?;
let identifier_node = node.child_by_field_name("identifier").unwrap();
let child_count = node.child_count();
let identifier_node = node.child(0).unwrap();
let identifier = Identifier::from_syntax_node(source, identifier_node, context)?;
let type_node = node.child_by_field_name("type");
let type_node = node.child(1);
let type_definition = if let Some(type_node) = type_node {
Some(TypeDefinition::from_syntax_node(
source, type_node, context,
)?)
if type_node.kind() == "type_defintion" {
Some(TypeDefinition::from_syntax_node(
source, type_node, context,
)?)
} else {
None
}
} else {
None
};
let operator_node = node
.child_by_field_name("assignment_operator")
.unwrap()
.child(0)
.unwrap();
let operator_node = node.child(child_count - 2).unwrap().child(0).unwrap();
let operator = match operator_node.kind() {
"=" => AssignmentOperator::Equal,
"+=" => AssignmentOperator::PlusEqual,
@ -55,7 +55,7 @@ impl AbstractTree for Assignment {
}
};
let statement_node = node.child_by_field_name("statement").unwrap();
let statement_node = node.child(child_count - 1).unwrap();
let statement = Statement::from_syntax_node(source, statement_node, context)?;
if let Some(type_definition) = &type_definition {
@ -145,22 +145,11 @@ impl AbstractTree for Assignment {
AssignmentOperator::Equal => value,
};
let new_value = if let Some(type_definition) = &self.type_definition {
if let Some(type_definition) = &self.type_definition {
let new_value_type = new_value.r#type(context)?;
type_definition.runtime_check(&new_value_type, context)?;
if let Value::Function(function) = new_value {
Value::Function(Function::new(
function.parameters().clone(),
function.body().clone(),
))
} else {
new_value
}
} else {
new_value
};
}
context.variables_mut()?.insert(key.clone(), new_value);

2
src/abstract_tree/expression.rs
View File

@ -49,7 +49,7 @@ impl AbstractTree for Expression {
}
_ => {
return Err(Error::UnexpectedSyntaxNode {
expected: "value, identifier, index, math, logic, function_call or yield",
expected: "value_node, identifier, index, math, logic, function_call or yield",
actual: child.kind(),
location: child.start_position(),
relevant_source: source[child.byte_range()].to_string(),

4
src/abstract_tree/function_call.rs
View File

@ -77,14 +77,14 @@ impl AbstractTree for FunctionCall {
let mut function_context = Map::clone_from(context)?;
let parameter_expression_pairs = function.parameters().iter().zip(self.arguments.iter());
for (identifier, expression) in parameter_expression_pairs {
for ((identifier, _type), expression) in parameter_expression_pairs {
let key = identifier.clone().take_inner();
let value = expression.run(source, context)?;
function_context.variables_mut()?.insert(key, value);
}
function.run(source, &mut function_context)
function.body().run(source, &mut function_context)
}
fn expected_type(&self, context: &Map) -> Result<TypeDefinition> {

111
src/abstract_tree/function_declaration.rs Normal file
View File

@ -0,0 +1,111 @@
use serde::{Deserialize, Serialize};
use tree_sitter::Node;
use crate::{
AbstractTree, Block, Error, Function, Identifier, Map, Result, Type, TypeDefinition, Value,
};
#[derive(Debug, Clone, Serialize, Deserialize, Eq, PartialEq, PartialOrd, Ord)]
pub struct FunctionDeclaration {
name: Identifier,
_type_definition: TypeDefinition,
function: Function,
}
impl AbstractTree for FunctionDeclaration {
fn from_syntax_node(source: &str, node: Node, context: &Map) -> Result<Self> {
Error::expect_syntax_node(source, "function_declaration", node)?;
let name_node = node.child(0).unwrap();
let name = Identifier::from_syntax_node(source, name_node, context)?;
let type_node = node.child(1).unwrap();
let type_definition = TypeDefinition::from_syntax_node(source, type_node, context)?;
let (parameter_types, return_type) = if let Type::Function {
parameter_types,
return_type,
} = type_definition.inner()
{
(parameter_types, return_type)
} else {
return Err(Error::TypeCheck {
expected: TypeDefinition::new(Type::Function {
parameter_types: Vec::with_capacity(0),
return_type: Box::new(Type::Empty),
}),
actual: type_definition,
location: type_node.start_position(),
source: source[type_node.byte_range()].to_string(),
});
};
let function = {
let function_node = node.child(2).unwrap();
Error::expect_syntax_node(source, "function", function_node)?;
let child_count = function_node.child_count();
let mut parameters = Vec::new();
for index in 1..child_count - 2 {
let child = function_node.child(index).unwrap();
let parameter_index = parameters.len();
let parameter_type = parameter_types.get(parameter_index).unwrap_or(&Type::Empty);
if child.is_named() {
let identifier = Identifier::from_syntax_node(source, child, context)?;
parameters.push((identifier, TypeDefinition::new(parameter_type.clone())));
}
}
let body_node = function_node.child(child_count - 1).unwrap();
let body = Block::from_syntax_node(source, body_node, context)?;
Function::new(
parameters,
body,
TypeDefinition::new(return_type.as_ref().clone()),
)
};
Ok(FunctionDeclaration {
name,
_type_definition: type_definition,
function,
})
}
fn run(&self, _source: &str, context: &Map) -> Result<Value> {
let key = self.name.inner();
context
.variables_mut()?
.insert(key.clone(), Value::Function(self.function.clone()));
Ok(Value::Empty)
}
fn expected_type(&self, _context: &Map) -> Result<TypeDefinition> {
Ok(TypeDefinition::new(Type::Empty))
}
}
#[cfg(test)]
mod tests {
use crate::{evaluate, Value};
#[test]
fn simple_function_declaration() {
let test = evaluate(
"
fn foo <fn int -> int> = |x| { x }
(foo 42)
",
)
.unwrap();
assert_eq!(Value::Integer(42), test);
}
}

15
src/abstract_tree/index.rs
View File

@ -89,22 +89,29 @@ mod tests {
use crate::evaluate;
#[test]
fn evaluate_list_index() {
fn list_index() {
let test = evaluate("x = [1 [2] 3] x:1:0").unwrap();
assert_eq!(Value::Integer(2), test);
}
#[test]
fn evaluate_map_index() {
fn map_index() {
let test = evaluate("x = {y = {z = 2}} x:y:z").unwrap();
assert_eq!(Value::Integer(2), test);
}
#[test]
fn evaluate_complex_index() {
let test = evaluate("x = [1 2 3]; y = || { 0 } x:((y))").unwrap();
fn complex_index() {
let test = evaluate(
"
x = [1 2 3]
y <fn -> int> || { 0 }
x:((y))
",
)
.unwrap();
assert_eq!(Value::Integer(1), test);
}

8
src/abstract_tree/mod.rs
View File

@ -11,6 +11,7 @@ pub mod block;
pub mod expression;
pub mod r#for;
pub mod function_call;
pub mod function_declaration;
pub mod identifier;
pub mod if_else;
pub mod index;
@ -26,9 +27,10 @@ pub mod r#while;
pub mod r#yield;
pub use {
assignment::*, block::*, expression::*, function_call::*, identifier::*, if_else::*, index::*,
index_assignment::IndexAssignment, logic::*, math::*, r#for::*, r#match::*, r#use::*,
r#while::*, r#yield::*, statement::*, type_defintion::*, value_node::*,
assignment::*, block::*, expression::*, function_call::*, function_declaration::*,
identifier::*, if_else::*, index::*, index_assignment::IndexAssignment, logic::*, math::*,
r#for::*, r#match::*, r#use::*, r#while::*, r#yield::*, statement::*, type_defintion::*,
value_node::*,
};
use tree_sitter::Node;

16
src/abstract_tree/statement.rs
View File

@ -2,8 +2,8 @@ use serde::{Deserialize, Serialize};
use tree_sitter::Node;
use crate::{
AbstractTree, Assignment, Block, Error, Expression, For, IfElse, IndexAssignment, Map, Match,
Result, TypeDefinition, Use, Value, While,
AbstractTree, Assignment, Block, Error, Expression, For, FunctionDeclaration, IfElse,
IndexAssignment, Map, Match, Result, TypeDefinition, Use, Value, While,
};
/// Abstract representation of a statement.
@ -12,6 +12,7 @@ pub enum Statement {
Assignment(Box<Assignment>),
Return(Expression),
Expression(Expression),
FunctionDeclaration(FunctionDeclaration),
IfElse(Box<IfElse>),
Match(Match),
While(Box<While>),
@ -36,7 +37,10 @@ impl AbstractTree for Statement {
Ok(Statement::Return(Expression::from_syntax_node(source, expression_node, context)?))
},
"expression" => Ok(Self::Expression(Expression::from_syntax_node(
"expression" => Ok(Statement::Expression(Expression::from_syntax_node(
source, child, context
)?)),
"function_declaration" => Ok(Statement::FunctionDeclaration(FunctionDeclaration::from_syntax_node(
source, child, context
)?)),
"if_else" => Ok(Statement::IfElse(Box::new(IfElse::from_syntax_node(
@ -72,6 +76,9 @@ impl AbstractTree for Statement {
Statement::Assignment(assignment) => assignment.run(source, context),
Statement::Return(expression) => expression.run(source, context),
Statement::Expression(expression) => expression.run(source, context),
Statement::FunctionDeclaration(function_declaration) => {
function_declaration.run(source, context)
}
Statement::IfElse(if_else) => if_else.run(source, context),
Statement::Match(r#match) => r#match.run(source, context),
Statement::While(r#while) => r#while.run(source, context),
@ -87,6 +94,9 @@ impl AbstractTree for Statement {
Statement::Assignment(assignment) => assignment.expected_type(context),
Statement::Return(expression) => expression.expected_type(context),
Statement::Expression(expression) => expression.expected_type(context),
Statement::FunctionDeclaration(function_declaration) => {
function_declaration.expected_type(context)
}
Statement::IfElse(if_else) => if_else.expected_type(context),
Statement::Match(r#match) => r#match.expected_type(context),
Statement::While(r#while) => r#while.expected_type(context),

28
src/abstract_tree/type_defintion.rs
View File

@ -61,6 +61,34 @@ impl TypeDefinition {
self_defintion.runtime_check(other_definition, context)
}
(
Type::Function {
parameter_types: self_parameter_types,
return_type: self_return_type,
},
Type::Function {
parameter_types: other_parameter_types,
return_type: other_return_type,
},
) => {
let parameter_type_pairs = self_parameter_types
.iter()
.zip(other_parameter_types.iter());
for (self_parameter_type, other_parameter_type) in parameter_type_pairs {
TypeDefinition::new(self_parameter_type.clone()).runtime_check(
&TypeDefinition::new(other_parameter_type.clone()),
context,
)?;
}
TypeDefinition::new(self_return_type.as_ref().clone()).runtime_check(
&TypeDefinition::new(other_return_type.as_ref().clone()),
context,
)?;
Ok(())
}
_ => Err(Error::RuntimeTypeCheck {
expected: self.clone(),
actual: other.clone(),

13
src/abstract_tree/value_node.rs
View File

@ -4,8 +4,8 @@ use serde::{Deserialize, Serialize};
use tree_sitter::Node;
use crate::{
AbstractTree, Error, Expression, Function, Identifier, List, Map, Result, Statement, Table,
Type, TypeDefinition, Value,
AbstractTree, Error, Expression, Identifier, List, Map, Result, Statement, Table, Type,
TypeDefinition, Value,
};
#[derive(Debug, Clone, Serialize, Deserialize, Eq, PartialEq, PartialOrd, Ord)]
@ -21,12 +21,11 @@ pub enum ValueNode {
column_names: Vec<Identifier>,
rows: Box<Expression>,
},
Function(Function),
}
impl AbstractTree for ValueNode {
fn from_syntax_node(source: &str, node: Node, context: &Map) -> Result<Self> {
debug_assert_eq!("value", node.kind());
Error::expect_syntax_node(source, "value", node)?;
let child = node.child(0).unwrap();
let value_node = match child.kind() {
@ -101,11 +100,9 @@ impl AbstractTree for ValueNode {
ValueNode::Map(child_nodes)
}
"function" => ValueNode::Function(Function::from_syntax_node(source, child, context)?),
_ => {
return Err(Error::UnexpectedSyntaxNode {
expected:
"string, integer, float, boolean, list, table, map, function or empty",
expected: "string, integer, float, boolean, list, table, map, or empty",
actual: child.kind(),
location: child.start_position(),
relevant_source: source[child.byte_range()].to_string(),
@ -175,7 +172,6 @@ impl AbstractTree for ValueNode {
Value::Table(table)
}
ValueNode::Function(function) => Value::Function(function.clone()),
};
Ok(value)
@ -214,7 +210,6 @@ impl AbstractTree for ValueNode {
column_names: _,
rows: _,
} => TypeDefinition::new(Type::Table),
ValueNode::Function(function) => return function.expected_type(context),
};
Ok(type_definition)

28
src/evaluate.rs
View File

@ -150,34 +150,6 @@ mod tests {
assert_eq!(evaluate("{ x = 1, foo = 'bar' }"), Ok(Value::Map(map)));
}
#[test]
fn evaluate_table() {
let mut table = Table::new(vec!["messages".to_string(), "numbers".to_string()]);
table
.insert(vec![Value::String("hiya".to_string()), Value::Integer(42)])
.unwrap();
table
.insert(vec![Value::String("foo".to_string()), Value::Integer(57)])
.unwrap();
table
.insert(vec![Value::String("bar".to_string()), Value::Float(99.99)])
.unwrap();
assert_eq!(
evaluate(
"
table |messages numbers| [
['hiya', 42]
['foo', 57]
['bar', 99.99]
]
"
),
Ok(Value::Table(table))
);
}
#[test]
fn evaluate_if() {
assert_eq!(

51
src/value/function.rs
View File

@ -1,58 +1,39 @@
use std::fmt::{self, Display, Formatter};
use serde::{Deserialize, Serialize};
use tree_sitter::Node;
use crate::{AbstractTree, Block, Error, Identifier, Map, Result, TypeDefinition, Value};
use crate::{Block, Identifier, TypeDefinition};
#[derive(Debug, Clone, Serialize, Deserialize, Eq, PartialEq, PartialOrd, Ord)]
pub struct Function {
parameters: Vec<Identifier>,
parameters: Vec<(Identifier, TypeDefinition)>,
body: Block,
return_type: TypeDefinition,
}
impl Function {
pub fn new(parameters: Vec<Identifier>, body: Block) -> Self {
Self { parameters, body }
pub fn new(
parameters: Vec<(Identifier, TypeDefinition)>,
body: Block,
return_type: TypeDefinition,
) -> Self {
Self {
parameters,
body,
return_type,
}
}
pub fn parameters(&self) -> &Vec<Identifier> {
pub fn parameters(&self) -> &Vec<(Identifier, TypeDefinition)> {
&self.parameters
}
pub fn body(&self) -> &Block {
&self.body
}
}
impl AbstractTree for Function {
fn from_syntax_node(source: &str, node: Node, context: &Map) -> Result<Self> {
Error::expect_syntax_node(source, "function", node)?;
let child_count = node.child_count();
let mut parameters = Vec::new();
for index in 1..child_count - 2 {
let child = node.child(index).unwrap();
if child.is_named() {
let identifier = Identifier::from_syntax_node(source, child, context)?;
parameters.push(identifier);
}
}
let body_node = node.child(child_count - 1).unwrap();
let body = Block::from_syntax_node(source, body_node, context)?;
Ok(Function { parameters, body })
}
fn run(&self, source: &str, context: &Map) -> Result<Value> {
self.body.run(source, context)
}
fn expected_type(&self, context: &Map) -> Result<TypeDefinition> {
Value::Function(self.clone()).r#type(context)
pub fn return_type(&self) -> &TypeDefinition {
&self.return_type
}
}

37
tree-sitter-dust/corpus/built_in_function.txt
View File

@ -1,37 +0,0 @@
================================================================================
Simple Function Call
================================================================================
(output 'hi')
--------------------------------------------------------------------------------
(root
(statement
(expression
(function_call
(expression
(identifier))
(expression
(value
(string)))))))
================================================================================
Nested Function Call
================================================================================
(assert_equal (random_integer) 4)
--------------------------------------------------------------------------------
(root
(statement
(expression
(function_call
(expression
(identifier))
(expression
(identifier))
(expression
(value
(integer)))))))

87
tree-sitter-dust/corpus/functions.txt
View File

@ -2,48 +2,23 @@
Simple Function
================================================================================
|| { "Hiya" }
foo <fn -> str> || { "Hiya" }
--------------------------------------------------------------------------------
(root
(statement
(expression
(value
(function
(block
(statement
(expression
(value
(string))))))))))
================================================================================
Function Assignment
================================================================================
x <fn num -> str> = |number| { "Hiya" }
--------------------------------------------------------------------------------
(root
(statement
(assignment
(function_declaration
(identifier)
(type_definition
(type
(type)
(type)))
(assignment_operator)
(statement
(expression
(value
(function
(identifier)
(block
(statement
(expression
(value
(string))))))))))))
(function
(block
(statement
(expression
(value
(string)))))))))
================================================================================
Function Call
@ -67,7 +42,7 @@ Function Call
Complex Function
================================================================================
|message number| {
foobar <fn str num> |message number| {
(output message)
(output number)
}
@ -76,26 +51,30 @@ Complex Function
(root
(statement
(expression
(value
(function
(identifier)
(identifier)
(block
(statement
(expression
(function_call
(expression
(identifier))
(expression
(identifier)))))
(statement
(expression
(function_call
(expression
(identifier))
(expression
(identifier)))))))))))
(function_declaration
(identifier)
(type_definition
(type
(type)
(type)))
(function
(identifier)
(identifier)
(block
(statement
(expression
(function_call
(expression
(identifier))
(expression
(identifier)))))
(statement
(expression
(function_call
(expression
(identifier))
(expression
(identifier))))))))))
================================================================================
Complex Function Call

39
tree-sitter-dust/grammar.js
View File

@ -27,6 +27,7 @@ module.exports = grammar({
$.block,
$.expression,
$.for,
$.function_declaration,
$.if_else,
$.index_assignment,
$.match,
@ -83,8 +84,6 @@ module.exports = grammar({
$.string,
$.boolean,
$.list,
$.function,
$.table,
$.map,
),
@ -231,21 +230,10 @@ module.exports = grammar({
assignment: $ =>
seq(
field(
'identifier',
$.identifier,
),
optional(
field(
'type',
$.type_definition,
),
),
field(
'assignment_operator',
$.assignment_operator,
),
field('statement', $.statement),
$.identifier,
optional($.type_definition),
$.assignment_operator,
$.statement,
),
index_assignment: $ =>
@ -328,15 +316,6 @@ module.exports = grammar({
),
),
table: $ =>
prec.right(
seq(
'table',
$.identifier_list,
$.expression,
),
),
return: $ =>
seq('return', $.expression),
@ -350,6 +329,7 @@ module.exports = grammar({
choice(
'any',
'bool',
'float',
seq(
'fn',
repeat(
@ -368,6 +348,13 @@ module.exports = grammar({
),
),
function_declaration: $ =>
seq(
$.identifier,
$.type_definition,
$.function,
),
function: $ =>
seq(
'|',

86
tree-sitter-dust/src/grammar.json
View File

@ -74,6 +74,10 @@
"type": "SYMBOL",
"name": "for"
},
{
"type": "SYMBOL",
"name": "function_declaration"
},
{
"type": "SYMBOL",
"name": "if_else"
@ -237,14 +241,6 @@
"type": "SYMBOL",
"name": "list"
},
{
"type": "SYMBOL",
"name": "function"
},
{
"type": "SYMBOL",
"name": "table"
},
{
"type": "SYMBOL",
"name": "map"
@ -700,23 +696,15 @@
"type": "SEQ",
"members": [
{
"type": "FIELD",
"name": "identifier",
"content": {
"type": "SYMBOL",
"name": "identifier"
}
"type": "SYMBOL",
"name": "identifier"
},
{
"type": "CHOICE",
"members": [
{
"type": "FIELD",
"name": "type",
"content": {
"type": "SYMBOL",
"name": "type_definition"
}
"type": "SYMBOL",
"name": "type_definition"
},
{
"type": "BLANK"
@ -724,20 +712,12 @@
]
},
{
"type": "FIELD",
"name": "assignment_operator",
"content": {
"type": "SYMBOL",
"name": "assignment_operator"
}
"type": "SYMBOL",
"name": "assignment_operator"
},
{
"type": "FIELD",
"name": "statement",
"content": {
"type": "SYMBOL",
"name": "statement"
}
"type": "SYMBOL",
"name": "statement"
}
]
},
@ -992,27 +972,6 @@
]
}
},
"table": {
"type": "PREC_RIGHT",
"value": 0,
"content": {
"type": "SEQ",
"members": [
{
"type": "STRING",
"value": "table"
},
{
"type": "SYMBOL",
"name": "identifier_list"
},
{
"type": "SYMBOL",
"name": "expression"
}
]
}
},
"return": {
"type": "SEQ",
"members": [
@ -1070,6 +1029,10 @@
"type": "STRING",
"value": "bool"
},
{
"type": "STRING",
"value": "float"
},
{
"type": "SEQ",
"members": [
@ -1156,6 +1119,23 @@
]
}
},
"function_declaration": {
"type": "SEQ",
"members": [
{
"type": "SYMBOL",
"name": "identifier"
},
{
"type": "SYMBOL",
"name": "type_definition"
},
{
"type": "SYMBOL",
"name": "function"
}
]
},
"function": {
"type": "SEQ",
"members": [

114
tree-sitter-dust/src/node-types.json
View File

@ -2,47 +2,28 @@
{
"type": "assignment",
"named": true,
"fields": {
"assignment_operator": {
"multiple": false,
"required": true,
"types": [
{
"type": "assignment_operator",
"named": true
}
]
},
"identifier": {
"multiple": false,
"required": true,
"types": [
{
"type": "identifier",
"named": true
}
]
},
"statement": {
"multiple": false,
"required": true,
"types": [
{
"type": "statement",
"named": true
}
]
},
"type": {
"multiple": false,
"required": false,
"types": [
{
"type": "type_definition",
"named": true
}
]
}
"fields": {},
"children": {
"multiple": true,
"required": true,
"types": [
{
"type": "assignment_operator",
"named": true
},
{
"type": "identifier",
"named": true
},
{
"type": "statement",
"named": true
},
{
"type": "type_definition",
"named": true
}
]
}
},
{
@ -201,16 +182,24 @@
}
},
{
"type": "identifier_list",
"type": "function_declaration",
"named": true,
"fields": {},
"children": {
"multiple": true,
"required": false,
"required": true,
"types": [
{
"type": "function",
"named": true
},
{
"type": "identifier",
"named": true
},
{
"type": "type_definition",
"named": true
}
]
}
@ -450,6 +439,10 @@
"type": "for",
"named": true
},
{
"type": "function_declaration",
"named": true
},
{
"type": "if_else",
"named": true
@ -477,25 +470,6 @@
]
}
},
{
"type": "table",
"named": true,
"fields": {},
"children": {
"multiple": true,
"required": true,
"types": [
{
"type": "expression",
"named": true
},
{
"type": "identifier_list",
"named": true
}
]
}
},
{
"type": "type",
"named": true,
@ -557,10 +531,6 @@
"type": "float",
"named": true
},
{
"type": "function",
"named": true
},
{
"type": "integer",
"named": true
@ -576,10 +546,6 @@
{
"type": "string",
"named": true
},
{
"type": "table",
"named": true
}
]
}
@ -750,6 +716,10 @@
"type": "float",
"named": true
},
{
"type": "float",
"named": false
},
{
"type": "fn",
"named": false
@ -806,10 +776,6 @@
"type": "string",
"named": true
},
{
"type": "table",
"named": false
},
{
"type": "true",
"named": false

20557
tree-sitter-dust/src/parser.c
View File

File diff suppressed because it is too large Load Diff