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Add example; Fix add assignment

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This commit is contained in:
Jeff 2023-10-23 16:12:43 -04:00
parent 9dfe5689e4
commit 8348b6ce85
9 changed files with 85 additions and 34 deletions
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6
examples/assets/seaCreatures.json Normal file
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@ -0,0 +1,6 @@
[
{ "name": "Sammy", "type": "shark", "clams": 5 },
{ "name": "Bubbles", "type": "orca", "clams": 3 },
{ "name": "Splish", "type": "dolphin", "clams": 2 },
{ "name": "Splash", "type": "dolphin", "clams": 2 }
]

18
examples/sea_creatures.ds Normal file
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@ -0,0 +1,18 @@
raw_data = (read 'examples/assets/seaCreatures.json')
sea_creatures = (from_json raw_data)
data = {
creatures = []
total_clams = 0
dolphin_clams = 0
}
for creature in sea_creatures {
data.creatures += creature.name
data.total_clams += creature.clams
if creature.type == 'dolphin' {
data.dolphin_clams += creature.clams
}
}
data

26
src/abstract_tree/assignment.rs
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@ -1,7 +1,7 @@
use serde::{Deserialize, Serialize};
use tree_sitter::Node;
use crate::{AbstractTree, Error, Result, Value, VariableMap};
use crate::{value, AbstractTree, Error, Result, Value, VariableMap};
use super::{identifier::Identifier, statement::Statement};
@ -51,23 +51,29 @@ impl AbstractTree for Assignment {
fn run(&self, source: &str, context: &mut VariableMap) -> Result<Value> {
let key = self.identifier.inner().clone();
let mut value = self.statement.run(source, context)?;
let value = self.statement.run(source, context)?;
match self.operator {
let new_value = match self.operator {
AssignmentOperator::PlusEqual => {
if let Some(previous_value) = context.get_value(&key)? {
value += previous_value
if let Some(mut previous_value) = context.get_value(&key)? {
previous_value += value;
previous_value
} else {
Value::Empty
}
}
AssignmentOperator::MinusEqual => {
if let Some(previous_value) = context.get_value(&key)? {
value -= previous_value
if let Some(mut previous_value) = context.get_value(&key)? {
previous_value -= value;
previous_value
} else {
Value::Empty
}
}
AssignmentOperator::Equal => {}
}
AssignmentOperator::Equal => value,
};
context.set_value(key, value)?;
context.set_value(key, new_value)?;
Ok(Value::Empty)
}

1
src/value/mod.rs
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@ -321,6 +321,7 @@ impl AddAssign for Value {
(Value::Float(left), Value::Float(right)) => *left += right,
(Value::Float(left), Value::Integer(right)) => *left += right as f64,
(Value::String(left), Value::String(right)) => *left += &right,
(Value::List(list), value) => list.push(value),
_ => {}
}
}

9
tree-sitter-dust/corpus/identifiers.txt
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@ -27,10 +27,19 @@ Dot Notation
==================
dust_data.0.name
# Separator
creature.total_clams
---
(root
(item
(statement
(expression
(identifier))))
(item
(statement
(comment)))
(item
(statement
(expression

10
tree-sitter-dust/corpus/lists.txt
View File

@ -23,11 +23,21 @@ List Declaration
List Assignment
==================
empty = []
foobar = ['foobar']
---
(root
(item
(statement
(assignment
(identifier)
(assignment_operator)
(statement
(expression
(value
(list)))))))
(item
(statement
(assignment

2
tree-sitter-dust/grammar.js
View File

@ -40,7 +40,7 @@ module.exports = grammar({
$.logic,
)),
identifier: $ => /[a-zA-Z|_]+[.a-zA-Z0-9]*/,
identifier: $ => /[a-zA-Z|_]+[._a-zA-Z0-9]*/,
value: $ => choice(
$.integer,

2
tree-sitter-dust/src/grammar.json
View File

@ -147,7 +147,7 @@
},
"identifier": {
"type": "PATTERN",
"value": "[a-zA-Z|_]+[.a-zA-Z0-9]*"
"value": "[a-zA-Z|_]+[._a-zA-Z0-9]*"
},
"value": {
"type": "CHOICE",

45
tree-sitter-dust/src/parser.c
View File

@ -1137,9 +1137,9 @@ static bool ts_lex(TSLexer *lexer, TSStateId state) {
if (lookahead == '[') ADVANCE(30);
if (lookahead == ']') ADVANCE(32);
if (lookahead == '`') ADVANCE(8);
if (lookahead == 'e') ADVANCE(23);
if (lookahead == 'e') ADVANCE(22);
if (lookahead == '{') ADVANCE(36);
if (lookahead == '|') ADVANCE(21);
if (lookahead == '|') ADVANCE(24);
if (lookahead == '}') ADVANCE(37);
if (lookahead == '\t' ||
lookahead == '\n' ||
@ -1180,7 +1180,7 @@ static bool ts_lex(TSLexer *lexer, TSStateId state) {
if (lookahead == '<') ADVANCE(33);
if (lookahead == '=') ADVANCE(7);
if (lookahead == '>') ADVANCE(35);
if (lookahead == '|') ADVANCE(21);
if (lookahead == '|') ADVANCE(24);
if (lookahead == '}') ADVANCE(37);
if (lookahead == '\t' ||
lookahead == '\n' ||
@ -1245,7 +1245,7 @@ static bool ts_lex(TSLexer *lexer, TSStateId state) {
if (lookahead == ']') ADVANCE(32);
if (lookahead == '`') ADVANCE(8);
if (lookahead == '{') ADVANCE(36);
if (lookahead == '|') ADVANCE(21);
if (lookahead == '|') ADVANCE(24);
if (lookahead == '}') ADVANCE(37);
if (lookahead == '\t' ||
lookahead == '\n' ||
@ -1287,7 +1287,7 @@ static bool ts_lex(TSLexer *lexer, TSStateId state) {
if (lookahead == '-') ADVANCE(12);
if (lookahead == '[') ADVANCE(30);
if (lookahead == '`') ADVANCE(8);
if (lookahead == 'e') ADVANCE(23);
if (lookahead == 'e') ADVANCE(22);
if (lookahead == '{') ADVANCE(36);
if (lookahead == '}') ADVANCE(37);
if (lookahead == '\t' ||
@ -1320,50 +1320,50 @@ static bool ts_lex(TSLexer *lexer, TSStateId state) {
END_STATE();
case 21:
ACCEPT_TOKEN(sym_identifier);
if (lookahead == '_') ADVANCE(25);
if (lookahead == '|') ADVANCE(51);
if (lookahead == 'e') ADVANCE(57);
if (lookahead == '|') ADVANCE(25);
if (lookahead == '.' ||
('0' <= lookahead && lookahead <= '9')) ADVANCE(26);
if (('A' <= lookahead && lookahead <= 'Z') ||
lookahead == '_' ||
('a' <= lookahead && lookahead <= 'z')) ADVANCE(25);
END_STATE();
case 22:
ACCEPT_TOKEN(sym_identifier);
if (lookahead == 'e') ADVANCE(57);
if (lookahead == '_' ||
lookahead == '|') ADVANCE(25);
if (lookahead == 'l') ADVANCE(23);
if (lookahead == '|') ADVANCE(25);
if (lookahead == '.' ||
('0' <= lookahead && lookahead <= '9')) ADVANCE(26);
if (('A' <= lookahead && lookahead <= 'Z') ||
lookahead == '_' ||
('a' <= lookahead && lookahead <= 'z')) ADVANCE(25);
END_STATE();
case 23:
ACCEPT_TOKEN(sym_identifier);
if (lookahead == 'l') ADVANCE(24);
if (lookahead == '_' ||
lookahead == '|') ADVANCE(25);
if (lookahead == 's') ADVANCE(21);
if (lookahead == '|') ADVANCE(25);
if (lookahead == '.' ||
('0' <= lookahead && lookahead <= '9')) ADVANCE(26);
if (('A' <= lookahead && lookahead <= 'Z') ||
lookahead == '_' ||
('a' <= lookahead && lookahead <= 'z')) ADVANCE(25);
END_STATE();
case 24:
ACCEPT_TOKEN(sym_identifier);
if (lookahead == 's') ADVANCE(22);
if (lookahead == '_' ||
lookahead == '|') ADVANCE(25);
if (lookahead == '|') ADVANCE(51);
if (lookahead == '.' ||
('0' <= lookahead && lookahead <= '9')) ADVANCE(26);
if (('A' <= lookahead && lookahead <= 'Z') ||
lookahead == '_' ||
('a' <= lookahead && lookahead <= 'z')) ADVANCE(25);
END_STATE();
case 25:
ACCEPT_TOKEN(sym_identifier);
if (lookahead == '_' ||
lookahead == '|') ADVANCE(25);
if (lookahead == '|') ADVANCE(25);
if (lookahead == '.' ||
('0' <= lookahead && lookahead <= '9')) ADVANCE(26);
if (('A' <= lookahead && lookahead <= 'Z') ||
lookahead == '_' ||
('a' <= lookahead && lookahead <= 'z')) ADVANCE(25);
END_STATE();
case 26:
@ -1371,6 +1371,7 @@ static bool ts_lex(TSLexer *lexer, TSStateId state) {
if (lookahead == '.' ||
('0' <= lookahead && lookahead <= '9') ||
('A' <= lookahead && lookahead <= 'Z') ||
lookahead == '_' ||
('a' <= lookahead && lookahead <= 'z')) ADVANCE(26);
END_STATE();
case 27:
@ -1457,11 +1458,11 @@ static bool ts_lex(TSLexer *lexer, TSStateId state) {
END_STATE();
case 51:
ACCEPT_TOKEN(anon_sym_PIPE_PIPE);
if (lookahead == '_' ||
lookahead == '|') ADVANCE(25);
if (lookahead == '|') ADVANCE(25);
if (lookahead == '.' ||
('0' <= lookahead && lookahead <= '9')) ADVANCE(26);
if (('A' <= lookahead && lookahead <= 'Z') ||
lookahead == '_' ||
('a' <= lookahead && lookahead <= 'z')) ADVANCE(25);
END_STATE();
case 52:
@ -1482,11 +1483,11 @@ static bool ts_lex(TSLexer *lexer, TSStateId state) {
case 57:
ACCEPT_TOKEN(anon_sym_else);
if (lookahead == ' ') ADVANCE(10);
if (lookahead == '_' ||
lookahead == '|') ADVANCE(25);
if (lookahead == '|') ADVANCE(25);
if (lookahead == '.' ||
('0' <= lookahead && lookahead <= '9')) ADVANCE(26);
if (('A' <= lookahead && lookahead <= 'Z') ||
lookahead == '_' ||
('a' <= lookahead && lookahead <= 'z')) ADVANCE(25);
END_STATE();
default: