Add arithmetic expressions

This commit is contained in:
Bruno BELANYI 2022-06-01 19:34:31 +02:00
parent e7ba93870e
commit 03fa0427cf
5 changed files with 1457 additions and 66 deletions

View file

@ -1,3 +1,11 @@
function sepBy1(sep, rule) {
return seq(rule, repeat(seq(sep, rule)))
}
function sepBy(sep, rule) {
return optional(sepBy1(sep, rule))
}
module.exports = grammar({
name: "tiger",
@ -10,6 +18,10 @@ module.exports = grammar({
"nil",
$.integer_literal,
$.string_literal,
$.unary_expression,
$.binary_expression,
$.sequence_expression,
),
integer_literal: (_) => /[0-9]+/,
@ -35,6 +47,38 @@ module.exports = grammar({
)
)
),
unary_expression: ($) => seq(
field("operator", alias("-", $.operator)),
field("expression", $._expr),
),
binary_expression: ($) => {
const table = [
[5, prec.left, choice("*", "/")],
[4, prec.left, choice("+", "-")],
// FIXME: comparisons should be non-associative
// See https://github.com/tree-sitter/tree-sitter/issues/761
[3, prec.left, choice(">=", "<=", "=", "<>", "<", ">")],
[2, prec.left, "&"],
[1, prec.left, "|"],
];
return choice(
...table.map(
([priority, assoc, operator]) => assoc(
priority,
seq(
field("left", $._expr),
field("operator", alias(operator, $.operator)),
field("right", $._expr),
)
)
)
);
},
sequence_expression: ($) => seq("(", sepBy(";", $._expr), ")"),
}
});

View file

@ -24,6 +24,18 @@
{
"type": "SYMBOL",
"name": "string_literal"
},
{
"type": "SYMBOL",
"name": "unary_expression"
},
{
"type": "SYMBOL",
"name": "binary_expression"
},
{
"type": "SYMBOL",
"name": "sequence_expression"
}
]
},
@ -139,6 +151,316 @@
}
]
}
},
"unary_expression": {
"type": "SEQ",
"members": [
{
"type": "FIELD",
"name": "operator",
"content": {
"type": "ALIAS",
"content": {
"type": "STRING",
"value": "-"
},
"named": true,
"value": "operator"
}
},
{
"type": "FIELD",
"name": "expression",
"content": {
"type": "SYMBOL",
"name": "_expr"
}
}
]
},
"binary_expression": {
"type": "CHOICE",
"members": [
{
"type": "PREC_LEFT",
"value": 5,
"content": {
"type": "SEQ",
"members": [
{
"type": "FIELD",
"name": "left",
"content": {
"type": "SYMBOL",
"name": "_expr"
}
},
{
"type": "FIELD",
"name": "operator",
"content": {
"type": "ALIAS",
"content": {
"type": "CHOICE",
"members": [
{
"type": "STRING",
"value": "*"
},
{
"type": "STRING",
"value": "/"
}
]
},
"named": true,
"value": "operator"
}
},
{
"type": "FIELD",
"name": "right",
"content": {
"type": "SYMBOL",
"name": "_expr"
}
}
]
}
},
{
"type": "PREC_LEFT",
"value": 4,
"content": {
"type": "SEQ",
"members": [
{
"type": "FIELD",
"name": "left",
"content": {
"type": "SYMBOL",
"name": "_expr"
}
},
{
"type": "FIELD",
"name": "operator",
"content": {
"type": "ALIAS",
"content": {
"type": "CHOICE",
"members": [
{
"type": "STRING",
"value": "+"
},
{
"type": "STRING",
"value": "-"
}
]
},
"named": true,
"value": "operator"
}
},
{
"type": "FIELD",
"name": "right",
"content": {
"type": "SYMBOL",
"name": "_expr"
}
}
]
}
},
{
"type": "PREC_LEFT",
"value": 3,
"content": {
"type": "SEQ",
"members": [
{
"type": "FIELD",
"name": "left",
"content": {
"type": "SYMBOL",
"name": "_expr"
}
},
{
"type": "FIELD",
"name": "operator",
"content": {
"type": "ALIAS",
"content": {
"type": "CHOICE",
"members": [
{
"type": "STRING",
"value": ">="
},
{
"type": "STRING",
"value": "<="
},
{
"type": "STRING",
"value": "="
},
{
"type": "STRING",
"value": "<>"
},
{
"type": "STRING",
"value": "<"
},
{
"type": "STRING",
"value": ">"
}
]
},
"named": true,
"value": "operator"
}
},
{
"type": "FIELD",
"name": "right",
"content": {
"type": "SYMBOL",
"name": "_expr"
}
}
]
}
},
{
"type": "PREC_LEFT",
"value": 2,
"content": {
"type": "SEQ",
"members": [
{
"type": "FIELD",
"name": "left",
"content": {
"type": "SYMBOL",
"name": "_expr"
}
},
{
"type": "FIELD",
"name": "operator",
"content": {
"type": "ALIAS",
"content": {
"type": "STRING",
"value": "&"
},
"named": true,
"value": "operator"
}
},
{
"type": "FIELD",
"name": "right",
"content": {
"type": "SYMBOL",
"name": "_expr"
}
}
]
}
},
{
"type": "PREC_LEFT",
"value": 1,
"content": {
"type": "SEQ",
"members": [
{
"type": "FIELD",
"name": "left",
"content": {
"type": "SYMBOL",
"name": "_expr"
}
},
{
"type": "FIELD",
"name": "operator",
"content": {
"type": "ALIAS",
"content": {
"type": "STRING",
"value": "|"
},
"named": true,
"value": "operator"
}
},
{
"type": "FIELD",
"name": "right",
"content": {
"type": "SYMBOL",
"name": "_expr"
}
}
]
}
}
]
},
"sequence_expression": {
"type": "SEQ",
"members": [
{
"type": "STRING",
"value": "("
},
{
"type": "CHOICE",
"members": [
{
"type": "SEQ",
"members": [
{
"type": "SYMBOL",
"name": "_expr"
},
{
"type": "REPEAT",
"content": {
"type": "SEQ",
"members": [
{
"type": "STRING",
"value": ";"
},
{
"type": "SYMBOL",
"name": "_expr"
}
]
}
}
]
},
{
"type": "BLANK"
}
]
},
{
"type": "STRING",
"value": ")"
}
]
}
},
"extras": [

View file

@ -1,4 +1,111 @@
[
{
"type": "binary_expression",
"named": true,
"fields": {
"left": {
"multiple": false,
"required": true,
"types": [
{
"type": "binary_expression",
"named": true
},
{
"type": "integer_literal",
"named": true
},
{
"type": "nil",
"named": false
},
{
"type": "sequence_expression",
"named": true
},
{
"type": "string_literal",
"named": true
},
{
"type": "unary_expression",
"named": true
}
]
},
"operator": {
"multiple": false,
"required": true,
"types": [
{
"type": "operator",
"named": true
}
]
},
"right": {
"multiple": false,
"required": true,
"types": [
{
"type": "binary_expression",
"named": true
},
{
"type": "integer_literal",
"named": true
},
{
"type": "nil",
"named": false
},
{
"type": "sequence_expression",
"named": true
},
{
"type": "string_literal",
"named": true
},
{
"type": "unary_expression",
"named": true
}
]
}
}
},
{
"type": "sequence_expression",
"named": true,
"fields": {},
"children": {
"multiple": true,
"required": false,
"types": [
{
"type": "binary_expression",
"named": true
},
{
"type": "integer_literal",
"named": true
},
{
"type": "sequence_expression",
"named": true
},
{
"type": "string_literal",
"named": true
},
{
"type": "unary_expression",
"named": true
}
]
}
},
{
"type": "source_file",
"named": true,
@ -7,13 +114,25 @@
"multiple": false,
"required": false,
"types": [
{
"type": "binary_expression",
"named": true
},
{
"type": "integer_literal",
"named": true
},
{
"type": "sequence_expression",
"named": true
},
{
"type": "string_literal",
"named": true
},
{
"type": "unary_expression",
"named": true
}
]
}
@ -33,10 +152,68 @@
]
}
},
{
"type": "unary_expression",
"named": true,
"fields": {
"expression": {
"multiple": false,
"required": true,
"types": [
{
"type": "binary_expression",
"named": true
},
{
"type": "integer_literal",
"named": true
},
{
"type": "nil",
"named": false
},
{
"type": "sequence_expression",
"named": true
},
{
"type": "string_literal",
"named": true
},
{
"type": "unary_expression",
"named": true
}
]
},
"operator": {
"multiple": false,
"required": true,
"types": [
{
"type": "operator",
"named": true
}
]
}
}
},
{
"type": "\"",
"named": false
},
{
"type": "(",
"named": false
},
{
"type": ")",
"named": false
},
{
"type": ";",
"named": false
},
{
"type": "escape_sequence",
"named": true
@ -48,5 +225,9 @@
{
"type": "nil",
"named": false
},
{
"type": "operator",
"named": true
}
]

View file

@ -6,15 +6,15 @@
#endif
#define LANGUAGE_VERSION 13
#define STATE_COUNT 9
#define LARGE_STATE_COUNT 2
#define SYMBOL_COUNT 10
#define STATE_COUNT 30
#define LARGE_STATE_COUNT 14
#define SYMBOL_COUNT 29
#define ALIAS_COUNT 0
#define TOKEN_COUNT 6
#define TOKEN_COUNT 21
#define EXTERNAL_TOKEN_COUNT 0
#define FIELD_COUNT 0
#define MAX_ALIAS_SEQUENCE_LENGTH 3
#define PRODUCTION_ID_COUNT 1
#define FIELD_COUNT 4
#define MAX_ALIAS_SEQUENCE_LENGTH 4
#define PRODUCTION_ID_COUNT 3
enum {
anon_sym_nil = 1,
@ -22,10 +22,29 @@ enum {
anon_sym_DQUOTE = 3,
aux_sym_string_literal_token1 = 4,
sym_escape_sequence = 5,
sym_source_file = 6,
sym__expr = 7,
sym_string_literal = 8,
aux_sym_string_literal_repeat1 = 9,
anon_sym_DASH = 6,
anon_sym_STAR = 7,
anon_sym_SLASH = 8,
anon_sym_PLUS = 9,
anon_sym_GT_EQ = 10,
anon_sym_LT_EQ = 11,
anon_sym_EQ = 12,
anon_sym_LT_GT = 13,
anon_sym_LT = 14,
anon_sym_GT = 15,
anon_sym_AMP = 16,
anon_sym_PIPE = 17,
anon_sym_LPAREN = 18,
anon_sym_SEMI = 19,
anon_sym_RPAREN = 20,
sym_source_file = 21,
sym__expr = 22,
sym_string_literal = 23,
sym_unary_expression = 24,
sym_binary_expression = 25,
sym_sequence_expression = 26,
aux_sym_string_literal_repeat1 = 27,
aux_sym_sequence_expression_repeat1 = 28,
};
static const char * const ts_symbol_names[] = {
@ -35,10 +54,29 @@ static const char * const ts_symbol_names[] = {
[anon_sym_DQUOTE] = "\"",
[aux_sym_string_literal_token1] = "string_literal_token1",
[sym_escape_sequence] = "escape_sequence",
[anon_sym_DASH] = "operator",
[anon_sym_STAR] = "operator",
[anon_sym_SLASH] = "operator",
[anon_sym_PLUS] = "operator",
[anon_sym_GT_EQ] = "operator",
[anon_sym_LT_EQ] = "operator",
[anon_sym_EQ] = "operator",
[anon_sym_LT_GT] = "operator",
[anon_sym_LT] = "operator",
[anon_sym_GT] = "operator",
[anon_sym_AMP] = "operator",
[anon_sym_PIPE] = "operator",
[anon_sym_LPAREN] = "(",
[anon_sym_SEMI] = ";",
[anon_sym_RPAREN] = ")",
[sym_source_file] = "source_file",
[sym__expr] = "_expr",
[sym_string_literal] = "string_literal",
[sym_unary_expression] = "unary_expression",
[sym_binary_expression] = "binary_expression",
[sym_sequence_expression] = "sequence_expression",
[aux_sym_string_literal_repeat1] = "string_literal_repeat1",
[aux_sym_sequence_expression_repeat1] = "sequence_expression_repeat1",
};
static const TSSymbol ts_symbol_map[] = {
@ -48,10 +86,29 @@ static const TSSymbol ts_symbol_map[] = {
[anon_sym_DQUOTE] = anon_sym_DQUOTE,
[aux_sym_string_literal_token1] = aux_sym_string_literal_token1,
[sym_escape_sequence] = sym_escape_sequence,
[anon_sym_DASH] = anon_sym_DASH,
[anon_sym_STAR] = anon_sym_DASH,
[anon_sym_SLASH] = anon_sym_DASH,
[anon_sym_PLUS] = anon_sym_DASH,
[anon_sym_GT_EQ] = anon_sym_DASH,
[anon_sym_LT_EQ] = anon_sym_DASH,
[anon_sym_EQ] = anon_sym_DASH,
[anon_sym_LT_GT] = anon_sym_DASH,
[anon_sym_LT] = anon_sym_DASH,
[anon_sym_GT] = anon_sym_DASH,
[anon_sym_AMP] = anon_sym_DASH,
[anon_sym_PIPE] = anon_sym_DASH,
[anon_sym_LPAREN] = anon_sym_LPAREN,
[anon_sym_SEMI] = anon_sym_SEMI,
[anon_sym_RPAREN] = anon_sym_RPAREN,
[sym_source_file] = sym_source_file,
[sym__expr] = sym__expr,
[sym_string_literal] = sym_string_literal,
[sym_unary_expression] = sym_unary_expression,
[sym_binary_expression] = sym_binary_expression,
[sym_sequence_expression] = sym_sequence_expression,
[aux_sym_string_literal_repeat1] = aux_sym_string_literal_repeat1,
[aux_sym_sequence_expression_repeat1] = aux_sym_sequence_expression_repeat1,
};
static const TSSymbolMetadata ts_symbol_metadata[] = {
@ -79,6 +136,66 @@ static const TSSymbolMetadata ts_symbol_metadata[] = {
.visible = true,
.named = true,
},
[anon_sym_DASH] = {
.visible = true,
.named = true,
},
[anon_sym_STAR] = {
.visible = true,
.named = true,
},
[anon_sym_SLASH] = {
.visible = true,
.named = true,
},
[anon_sym_PLUS] = {
.visible = true,
.named = true,
},
[anon_sym_GT_EQ] = {
.visible = true,
.named = true,
},
[anon_sym_LT_EQ] = {
.visible = true,
.named = true,
},
[anon_sym_EQ] = {
.visible = true,
.named = true,
},
[anon_sym_LT_GT] = {
.visible = true,
.named = true,
},
[anon_sym_LT] = {
.visible = true,
.named = true,
},
[anon_sym_GT] = {
.visible = true,
.named = true,
},
[anon_sym_AMP] = {
.visible = true,
.named = true,
},
[anon_sym_PIPE] = {
.visible = true,
.named = true,
},
[anon_sym_LPAREN] = {
.visible = true,
.named = false,
},
[anon_sym_SEMI] = {
.visible = true,
.named = false,
},
[anon_sym_RPAREN] = {
.visible = true,
.named = false,
},
[sym_source_file] = {
.visible = true,
.named = true,
@ -91,10 +208,56 @@ static const TSSymbolMetadata ts_symbol_metadata[] = {
.visible = true,
.named = true,
},
[sym_unary_expression] = {
.visible = true,
.named = true,
},
[sym_binary_expression] = {
.visible = true,
.named = true,
},
[sym_sequence_expression] = {
.visible = true,
.named = true,
},
[aux_sym_string_literal_repeat1] = {
.visible = false,
.named = false,
},
[aux_sym_sequence_expression_repeat1] = {
.visible = false,
.named = false,
},
};
enum {
field_expression = 1,
field_left = 2,
field_operator = 3,
field_right = 4,
};
static const char * const ts_field_names[] = {
[0] = NULL,
[field_expression] = "expression",
[field_left] = "left",
[field_operator] = "operator",
[field_right] = "right",
};
static const TSFieldMapSlice ts_field_map_slices[PRODUCTION_ID_COUNT] = {
[1] = {.index = 0, .length = 2},
[2] = {.index = 2, .length = 3},
};
static const TSFieldMapEntry ts_field_map_entries[] = {
[0] =
{field_expression, 1},
{field_operator, 0},
[2] =
{field_left, 0},
{field_operator, 1},
{field_right, 2},
};
static const TSSymbol ts_alias_sequences[PRODUCTION_ID_COUNT][MAX_ALIAS_SEQUENCE_LENGTH] = {
@ -112,8 +275,20 @@ static bool ts_lex(TSLexer *lexer, TSStateId state) {
case 0:
if (eof) ADVANCE(10);
if (lookahead == '"') ADVANCE(13);
if (lookahead == '&') ADVANCE(27);
if (lookahead == '(') ADVANCE(29);
if (lookahead == ')') ADVANCE(31);
if (lookahead == '*') ADVANCE(18);
if (lookahead == '+') ADVANCE(20);
if (lookahead == '-') ADVANCE(17);
if (lookahead == '/') ADVANCE(19);
if (lookahead == ';') ADVANCE(30);
if (lookahead == '<') ADVANCE(25);
if (lookahead == '=') ADVANCE(23);
if (lookahead == '>') ADVANCE(26);
if (lookahead == '\\') ADVANCE(6);
if (lookahead == 'n') ADVANCE(2);
if (lookahead == '|') ADVANCE(28);
if (lookahead == '\t' ||
lookahead == '\n' ||
lookahead == '\r' ||
@ -167,7 +342,19 @@ static bool ts_lex(TSLexer *lexer, TSStateId state) {
case 9:
if (eof) ADVANCE(10);
if (lookahead == '"') ADVANCE(13);
if (lookahead == '&') ADVANCE(27);
if (lookahead == '(') ADVANCE(29);
if (lookahead == ')') ADVANCE(31);
if (lookahead == '*') ADVANCE(18);
if (lookahead == '+') ADVANCE(20);
if (lookahead == '-') ADVANCE(17);
if (lookahead == '/') ADVANCE(19);
if (lookahead == ';') ADVANCE(30);
if (lookahead == '<') ADVANCE(25);
if (lookahead == '=') ADVANCE(23);
if (lookahead == '>') ADVANCE(26);
if (lookahead == 'n') ADVANCE(2);
if (lookahead == '|') ADVANCE(28);
if (lookahead == '\t' ||
lookahead == '\n' ||
lookahead == '\r' ||
@ -206,6 +393,54 @@ static bool ts_lex(TSLexer *lexer, TSStateId state) {
case 16:
ACCEPT_TOKEN(sym_escape_sequence);
END_STATE();
case 17:
ACCEPT_TOKEN(anon_sym_DASH);
END_STATE();
case 18:
ACCEPT_TOKEN(anon_sym_STAR);
END_STATE();
case 19:
ACCEPT_TOKEN(anon_sym_SLASH);
END_STATE();
case 20:
ACCEPT_TOKEN(anon_sym_PLUS);
END_STATE();
case 21:
ACCEPT_TOKEN(anon_sym_GT_EQ);
END_STATE();
case 22:
ACCEPT_TOKEN(anon_sym_LT_EQ);
END_STATE();
case 23:
ACCEPT_TOKEN(anon_sym_EQ);
END_STATE();
case 24:
ACCEPT_TOKEN(anon_sym_LT_GT);
END_STATE();
case 25:
ACCEPT_TOKEN(anon_sym_LT);
if (lookahead == '=') ADVANCE(22);
if (lookahead == '>') ADVANCE(24);
END_STATE();
case 26:
ACCEPT_TOKEN(anon_sym_GT);
if (lookahead == '=') ADVANCE(21);
END_STATE();
case 27:
ACCEPT_TOKEN(anon_sym_AMP);
END_STATE();
case 28:
ACCEPT_TOKEN(anon_sym_PIPE);
END_STATE();
case 29:
ACCEPT_TOKEN(anon_sym_LPAREN);
END_STATE();
case 30:
ACCEPT_TOKEN(anon_sym_SEMI);
END_STATE();
case 31:
ACCEPT_TOKEN(anon_sym_RPAREN);
END_STATE();
default:
return false;
}
@ -214,13 +449,34 @@ static bool ts_lex(TSLexer *lexer, TSStateId state) {
static const TSLexMode ts_lex_modes[STATE_COUNT] = {
[0] = {.lex_state = 0},
[1] = {.lex_state = 0},
[2] = {.lex_state = 1},
[3] = {.lex_state = 1},
[4] = {.lex_state = 1},
[2] = {.lex_state = 0},
[3] = {.lex_state = 0},
[4] = {.lex_state = 0},
[5] = {.lex_state = 0},
[6] = {.lex_state = 0},
[7] = {.lex_state = 0},
[8] = {.lex_state = 0},
[9] = {.lex_state = 0},
[10] = {.lex_state = 0},
[11] = {.lex_state = 0},
[12] = {.lex_state = 0},
[13] = {.lex_state = 0},
[14] = {.lex_state = 0},
[15] = {.lex_state = 0},
[16] = {.lex_state = 0},
[17] = {.lex_state = 0},
[18] = {.lex_state = 0},
[19] = {.lex_state = 0},
[20] = {.lex_state = 0},
[21] = {.lex_state = 0},
[22] = {.lex_state = 0},
[23] = {.lex_state = 0},
[24] = {.lex_state = 1},
[25] = {.lex_state = 1},
[26] = {.lex_state = 1},
[27] = {.lex_state = 0},
[28] = {.lex_state = 0},
[29] = {.lex_state = 0},
};
static const uint16_t ts_parse_table[LARGE_STATE_COUNT][SYMBOL_COUNT] = {
@ -230,81 +486,525 @@ static const uint16_t ts_parse_table[LARGE_STATE_COUNT][SYMBOL_COUNT] = {
[sym_integer_literal] = ACTIONS(1),
[anon_sym_DQUOTE] = ACTIONS(1),
[sym_escape_sequence] = ACTIONS(1),
[anon_sym_DASH] = ACTIONS(1),
[anon_sym_STAR] = ACTIONS(1),
[anon_sym_SLASH] = ACTIONS(1),
[anon_sym_PLUS] = ACTIONS(1),
[anon_sym_GT_EQ] = ACTIONS(1),
[anon_sym_LT_EQ] = ACTIONS(1),
[anon_sym_EQ] = ACTIONS(1),
[anon_sym_LT_GT] = ACTIONS(1),
[anon_sym_LT] = ACTIONS(1),
[anon_sym_GT] = ACTIONS(1),
[anon_sym_AMP] = ACTIONS(1),
[anon_sym_PIPE] = ACTIONS(1),
[anon_sym_LPAREN] = ACTIONS(1),
[anon_sym_SEMI] = ACTIONS(1),
[anon_sym_RPAREN] = ACTIONS(1),
},
[1] = {
[sym_source_file] = STATE(5),
[sym__expr] = STATE(6),
[sym_string_literal] = STATE(6),
[sym_source_file] = STATE(29),
[sym__expr] = STATE(15),
[sym_string_literal] = STATE(15),
[sym_unary_expression] = STATE(15),
[sym_binary_expression] = STATE(15),
[sym_sequence_expression] = STATE(15),
[anon_sym_nil] = ACTIONS(3),
[sym_integer_literal] = ACTIONS(3),
[anon_sym_DQUOTE] = ACTIONS(5),
[anon_sym_DASH] = ACTIONS(7),
[anon_sym_LPAREN] = ACTIONS(9),
},
[2] = {
[ts_builtin_sym_end] = ACTIONS(11),
[anon_sym_DASH] = ACTIONS(11),
[anon_sym_STAR] = ACTIONS(13),
[anon_sym_SLASH] = ACTIONS(13),
[anon_sym_PLUS] = ACTIONS(11),
[anon_sym_GT_EQ] = ACTIONS(11),
[anon_sym_LT_EQ] = ACTIONS(11),
[anon_sym_EQ] = ACTIONS(11),
[anon_sym_LT_GT] = ACTIONS(11),
[anon_sym_LT] = ACTIONS(15),
[anon_sym_GT] = ACTIONS(15),
[anon_sym_AMP] = ACTIONS(11),
[anon_sym_PIPE] = ACTIONS(11),
[anon_sym_SEMI] = ACTIONS(11),
[anon_sym_RPAREN] = ACTIONS(11),
},
[3] = {
[ts_builtin_sym_end] = ACTIONS(17),
[anon_sym_DASH] = ACTIONS(17),
[anon_sym_STAR] = ACTIONS(17),
[anon_sym_SLASH] = ACTIONS(17),
[anon_sym_PLUS] = ACTIONS(17),
[anon_sym_GT_EQ] = ACTIONS(17),
[anon_sym_LT_EQ] = ACTIONS(17),
[anon_sym_EQ] = ACTIONS(17),
[anon_sym_LT_GT] = ACTIONS(17),
[anon_sym_LT] = ACTIONS(19),
[anon_sym_GT] = ACTIONS(19),
[anon_sym_AMP] = ACTIONS(17),
[anon_sym_PIPE] = ACTIONS(17),
[anon_sym_SEMI] = ACTIONS(17),
[anon_sym_RPAREN] = ACTIONS(17),
},
[4] = {
[ts_builtin_sym_end] = ACTIONS(11),
[anon_sym_DASH] = ACTIONS(21),
[anon_sym_STAR] = ACTIONS(13),
[anon_sym_SLASH] = ACTIONS(13),
[anon_sym_PLUS] = ACTIONS(21),
[anon_sym_GT_EQ] = ACTIONS(23),
[anon_sym_LT_EQ] = ACTIONS(23),
[anon_sym_EQ] = ACTIONS(23),
[anon_sym_LT_GT] = ACTIONS(23),
[anon_sym_LT] = ACTIONS(25),
[anon_sym_GT] = ACTIONS(25),
[anon_sym_AMP] = ACTIONS(27),
[anon_sym_PIPE] = ACTIONS(11),
[anon_sym_SEMI] = ACTIONS(11),
[anon_sym_RPAREN] = ACTIONS(11),
},
[5] = {
[ts_builtin_sym_end] = ACTIONS(29),
[anon_sym_DASH] = ACTIONS(29),
[anon_sym_STAR] = ACTIONS(29),
[anon_sym_SLASH] = ACTIONS(29),
[anon_sym_PLUS] = ACTIONS(29),
[anon_sym_GT_EQ] = ACTIONS(29),
[anon_sym_LT_EQ] = ACTIONS(29),
[anon_sym_EQ] = ACTIONS(29),
[anon_sym_LT_GT] = ACTIONS(29),
[anon_sym_LT] = ACTIONS(31),
[anon_sym_GT] = ACTIONS(31),
[anon_sym_AMP] = ACTIONS(29),
[anon_sym_PIPE] = ACTIONS(29),
[anon_sym_SEMI] = ACTIONS(29),
[anon_sym_RPAREN] = ACTIONS(29),
},
[6] = {
[ts_builtin_sym_end] = ACTIONS(11),
[anon_sym_DASH] = ACTIONS(21),
[anon_sym_STAR] = ACTIONS(13),
[anon_sym_SLASH] = ACTIONS(13),
[anon_sym_PLUS] = ACTIONS(21),
[anon_sym_GT_EQ] = ACTIONS(23),
[anon_sym_LT_EQ] = ACTIONS(23),
[anon_sym_EQ] = ACTIONS(23),
[anon_sym_LT_GT] = ACTIONS(23),
[anon_sym_LT] = ACTIONS(25),
[anon_sym_GT] = ACTIONS(25),
[anon_sym_AMP] = ACTIONS(11),
[anon_sym_PIPE] = ACTIONS(11),
[anon_sym_SEMI] = ACTIONS(11),
[anon_sym_RPAREN] = ACTIONS(11),
},
[7] = {
[ts_builtin_sym_end] = ACTIONS(33),
[anon_sym_DASH] = ACTIONS(21),
[anon_sym_STAR] = ACTIONS(13),
[anon_sym_SLASH] = ACTIONS(13),
[anon_sym_PLUS] = ACTIONS(21),
[anon_sym_GT_EQ] = ACTIONS(23),
[anon_sym_LT_EQ] = ACTIONS(23),
[anon_sym_EQ] = ACTIONS(23),
[anon_sym_LT_GT] = ACTIONS(23),
[anon_sym_LT] = ACTIONS(25),
[anon_sym_GT] = ACTIONS(25),
[anon_sym_AMP] = ACTIONS(27),
[anon_sym_PIPE] = ACTIONS(35),
[anon_sym_SEMI] = ACTIONS(33),
[anon_sym_RPAREN] = ACTIONS(33),
},
[8] = {
[ts_builtin_sym_end] = ACTIONS(37),
[anon_sym_DASH] = ACTIONS(37),
[anon_sym_STAR] = ACTIONS(37),
[anon_sym_SLASH] = ACTIONS(37),
[anon_sym_PLUS] = ACTIONS(37),
[anon_sym_GT_EQ] = ACTIONS(37),
[anon_sym_LT_EQ] = ACTIONS(37),
[anon_sym_EQ] = ACTIONS(37),
[anon_sym_LT_GT] = ACTIONS(37),
[anon_sym_LT] = ACTIONS(39),
[anon_sym_GT] = ACTIONS(39),
[anon_sym_AMP] = ACTIONS(37),
[anon_sym_PIPE] = ACTIONS(37),
[anon_sym_SEMI] = ACTIONS(37),
[anon_sym_RPAREN] = ACTIONS(37),
},
[9] = {
[aux_sym_sequence_expression_repeat1] = STATE(27),
[anon_sym_DASH] = ACTIONS(21),
[anon_sym_STAR] = ACTIONS(13),
[anon_sym_SLASH] = ACTIONS(13),
[anon_sym_PLUS] = ACTIONS(21),
[anon_sym_GT_EQ] = ACTIONS(23),
[anon_sym_LT_EQ] = ACTIONS(23),
[anon_sym_EQ] = ACTIONS(23),
[anon_sym_LT_GT] = ACTIONS(23),
[anon_sym_LT] = ACTIONS(25),
[anon_sym_GT] = ACTIONS(25),
[anon_sym_AMP] = ACTIONS(27),
[anon_sym_PIPE] = ACTIONS(35),
[anon_sym_SEMI] = ACTIONS(41),
[anon_sym_RPAREN] = ACTIONS(43),
},
[10] = {
[ts_builtin_sym_end] = ACTIONS(11),
[anon_sym_DASH] = ACTIONS(21),
[anon_sym_STAR] = ACTIONS(13),
[anon_sym_SLASH] = ACTIONS(13),
[anon_sym_PLUS] = ACTIONS(21),
[anon_sym_GT_EQ] = ACTIONS(11),
[anon_sym_LT_EQ] = ACTIONS(11),
[anon_sym_EQ] = ACTIONS(11),
[anon_sym_LT_GT] = ACTIONS(11),
[anon_sym_LT] = ACTIONS(15),
[anon_sym_GT] = ACTIONS(15),
[anon_sym_AMP] = ACTIONS(11),
[anon_sym_PIPE] = ACTIONS(11),
[anon_sym_SEMI] = ACTIONS(11),
[anon_sym_RPAREN] = ACTIONS(11),
},
[11] = {
[ts_builtin_sym_end] = ACTIONS(11),
[anon_sym_DASH] = ACTIONS(11),
[anon_sym_STAR] = ACTIONS(11),
[anon_sym_SLASH] = ACTIONS(11),
[anon_sym_PLUS] = ACTIONS(11),
[anon_sym_GT_EQ] = ACTIONS(11),
[anon_sym_LT_EQ] = ACTIONS(11),
[anon_sym_EQ] = ACTIONS(11),
[anon_sym_LT_GT] = ACTIONS(11),
[anon_sym_LT] = ACTIONS(15),
[anon_sym_GT] = ACTIONS(15),
[anon_sym_AMP] = ACTIONS(11),
[anon_sym_PIPE] = ACTIONS(11),
[anon_sym_SEMI] = ACTIONS(11),
[anon_sym_RPAREN] = ACTIONS(11),
},
[12] = {
[ts_builtin_sym_end] = ACTIONS(45),
[anon_sym_DASH] = ACTIONS(45),
[anon_sym_STAR] = ACTIONS(45),
[anon_sym_SLASH] = ACTIONS(45),
[anon_sym_PLUS] = ACTIONS(45),
[anon_sym_GT_EQ] = ACTIONS(45),
[anon_sym_LT_EQ] = ACTIONS(45),
[anon_sym_EQ] = ACTIONS(45),
[anon_sym_LT_GT] = ACTIONS(45),
[anon_sym_LT] = ACTIONS(47),
[anon_sym_GT] = ACTIONS(47),
[anon_sym_AMP] = ACTIONS(45),
[anon_sym_PIPE] = ACTIONS(45),
[anon_sym_SEMI] = ACTIONS(45),
[anon_sym_RPAREN] = ACTIONS(45),
},
[13] = {
[ts_builtin_sym_end] = ACTIONS(49),
[anon_sym_DASH] = ACTIONS(49),
[anon_sym_STAR] = ACTIONS(49),
[anon_sym_SLASH] = ACTIONS(49),
[anon_sym_PLUS] = ACTIONS(49),
[anon_sym_GT_EQ] = ACTIONS(49),
[anon_sym_LT_EQ] = ACTIONS(49),
[anon_sym_EQ] = ACTIONS(49),
[anon_sym_LT_GT] = ACTIONS(49),
[anon_sym_LT] = ACTIONS(51),
[anon_sym_GT] = ACTIONS(51),
[anon_sym_AMP] = ACTIONS(49),
[anon_sym_PIPE] = ACTIONS(49),
[anon_sym_SEMI] = ACTIONS(49),
[anon_sym_RPAREN] = ACTIONS(49),
},
};
static const uint16_t ts_small_parse_table[] = {
[0] = 3,
ACTIONS(7), 1,
anon_sym_DQUOTE,
STATE(3), 1,
aux_sym_string_literal_repeat1,
ACTIONS(9), 2,
aux_sym_string_literal_token1,
sym_escape_sequence,
[11] = 3,
ACTIONS(11), 1,
anon_sym_DQUOTE,
STATE(4), 1,
aux_sym_string_literal_repeat1,
[0] = 7,
ACTIONS(27), 1,
anon_sym_AMP,
ACTIONS(35), 1,
anon_sym_PIPE,
ACTIONS(13), 2,
aux_sym_string_literal_token1,
sym_escape_sequence,
[22] = 3,
ACTIONS(15), 1,
anon_sym_STAR,
anon_sym_SLASH,
ACTIONS(21), 2,
anon_sym_DASH,
anon_sym_PLUS,
ACTIONS(25), 2,
anon_sym_LT,
anon_sym_GT,
ACTIONS(53), 2,
anon_sym_SEMI,
anon_sym_RPAREN,
ACTIONS(23), 4,
anon_sym_GT_EQ,
anon_sym_LT_EQ,
anon_sym_EQ,
anon_sym_LT_GT,
[29] = 7,
ACTIONS(27), 1,
anon_sym_AMP,
ACTIONS(35), 1,
anon_sym_PIPE,
ACTIONS(55), 1,
ts_builtin_sym_end,
ACTIONS(13), 2,
anon_sym_STAR,
anon_sym_SLASH,
ACTIONS(21), 2,
anon_sym_DASH,
anon_sym_PLUS,
ACTIONS(25), 2,
anon_sym_LT,
anon_sym_GT,
ACTIONS(23), 4,
anon_sym_GT_EQ,
anon_sym_LT_EQ,
anon_sym_EQ,
anon_sym_LT_GT,
[57] = 6,
ACTIONS(5), 1,
anon_sym_DQUOTE,
STATE(4), 1,
ACTIONS(7), 1,
anon_sym_DASH,
ACTIONS(9), 1,
anon_sym_LPAREN,
ACTIONS(59), 1,
anon_sym_RPAREN,
ACTIONS(57), 2,
anon_sym_nil,
sym_integer_literal,
STATE(9), 5,
sym__expr,
sym_string_literal,
sym_unary_expression,
sym_binary_expression,
sym_sequence_expression,
[81] = 5,
ACTIONS(5), 1,
anon_sym_DQUOTE,
ACTIONS(7), 1,
anon_sym_DASH,
ACTIONS(9), 1,
anon_sym_LPAREN,
ACTIONS(61), 2,
anon_sym_nil,
sym_integer_literal,
STATE(10), 5,
sym__expr,
sym_string_literal,
sym_unary_expression,
sym_binary_expression,
sym_sequence_expression,
[102] = 5,
ACTIONS(5), 1,
anon_sym_DQUOTE,
ACTIONS(7), 1,
anon_sym_DASH,
ACTIONS(9), 1,
anon_sym_LPAREN,
ACTIONS(63), 2,
anon_sym_nil,
sym_integer_literal,
STATE(14), 5,
sym__expr,
sym_string_literal,
sym_unary_expression,
sym_binary_expression,
sym_sequence_expression,
[123] = 5,
ACTIONS(5), 1,
anon_sym_DQUOTE,
ACTIONS(7), 1,
anon_sym_DASH,
ACTIONS(9), 1,
anon_sym_LPAREN,
ACTIONS(65), 2,
anon_sym_nil,
sym_integer_literal,
STATE(4), 5,
sym__expr,
sym_string_literal,
sym_unary_expression,
sym_binary_expression,
sym_sequence_expression,
[144] = 5,
ACTIONS(5), 1,
anon_sym_DQUOTE,
ACTIONS(7), 1,
anon_sym_DASH,
ACTIONS(9), 1,
anon_sym_LPAREN,
ACTIONS(67), 2,
anon_sym_nil,
sym_integer_literal,
STATE(6), 5,
sym__expr,
sym_string_literal,
sym_unary_expression,
sym_binary_expression,
sym_sequence_expression,
[165] = 5,
ACTIONS(5), 1,
anon_sym_DQUOTE,
ACTIONS(7), 1,
anon_sym_DASH,
ACTIONS(9), 1,
anon_sym_LPAREN,
ACTIONS(69), 2,
anon_sym_nil,
sym_integer_literal,
STATE(11), 5,
sym__expr,
sym_string_literal,
sym_unary_expression,
sym_binary_expression,
sym_sequence_expression,
[186] = 5,
ACTIONS(5), 1,
anon_sym_DQUOTE,
ACTIONS(7), 1,
anon_sym_DASH,
ACTIONS(9), 1,
anon_sym_LPAREN,
ACTIONS(71), 2,
anon_sym_nil,
sym_integer_literal,
STATE(2), 5,
sym__expr,
sym_string_literal,
sym_unary_expression,
sym_binary_expression,
sym_sequence_expression,
[207] = 5,
ACTIONS(5), 1,
anon_sym_DQUOTE,
ACTIONS(7), 1,
anon_sym_DASH,
ACTIONS(9), 1,
anon_sym_LPAREN,
ACTIONS(73), 2,
anon_sym_nil,
sym_integer_literal,
STATE(7), 5,
sym__expr,
sym_string_literal,
sym_unary_expression,
sym_binary_expression,
sym_sequence_expression,
[228] = 3,
ACTIONS(75), 1,
anon_sym_DQUOTE,
STATE(24), 1,
aux_sym_string_literal_repeat1,
ACTIONS(17), 2,
ACTIONS(77), 2,
aux_sym_string_literal_token1,
sym_escape_sequence,
[33] = 1,
ACTIONS(20), 1,
ts_builtin_sym_end,
[37] = 1,
ACTIONS(22), 1,
ts_builtin_sym_end,
[41] = 1,
ACTIONS(24), 1,
ts_builtin_sym_end,
[45] = 1,
ACTIONS(26), 1,
[239] = 3,
ACTIONS(80), 1,
anon_sym_DQUOTE,
STATE(26), 1,
aux_sym_string_literal_repeat1,
ACTIONS(82), 2,
aux_sym_string_literal_token1,
sym_escape_sequence,
[250] = 3,
ACTIONS(84), 1,
anon_sym_DQUOTE,
STATE(24), 1,
aux_sym_string_literal_repeat1,
ACTIONS(86), 2,
aux_sym_string_literal_token1,
sym_escape_sequence,
[261] = 3,
ACTIONS(41), 1,
anon_sym_SEMI,
ACTIONS(88), 1,
anon_sym_RPAREN,
STATE(28), 1,
aux_sym_sequence_expression_repeat1,
[271] = 3,
ACTIONS(53), 1,
anon_sym_RPAREN,
ACTIONS(90), 1,
anon_sym_SEMI,
STATE(28), 1,
aux_sym_sequence_expression_repeat1,
[281] = 1,
ACTIONS(93), 1,
ts_builtin_sym_end,
};
static const uint32_t ts_small_parse_table_map[] = {
[SMALL_STATE(2)] = 0,
[SMALL_STATE(3)] = 11,
[SMALL_STATE(4)] = 22,
[SMALL_STATE(5)] = 33,
[SMALL_STATE(6)] = 37,
[SMALL_STATE(7)] = 41,
[SMALL_STATE(8)] = 45,
[SMALL_STATE(14)] = 0,
[SMALL_STATE(15)] = 29,
[SMALL_STATE(16)] = 57,
[SMALL_STATE(17)] = 81,
[SMALL_STATE(18)] = 102,
[SMALL_STATE(19)] = 123,
[SMALL_STATE(20)] = 144,
[SMALL_STATE(21)] = 165,
[SMALL_STATE(22)] = 186,
[SMALL_STATE(23)] = 207,
[SMALL_STATE(24)] = 228,
[SMALL_STATE(25)] = 239,
[SMALL_STATE(26)] = 250,
[SMALL_STATE(27)] = 261,
[SMALL_STATE(28)] = 271,
[SMALL_STATE(29)] = 281,
};
static const TSParseActionEntry ts_parse_actions[] = {
[0] = {.entry = {.count = 0, .reusable = false}},
[1] = {.entry = {.count = 1, .reusable = false}}, RECOVER(),
[3] = {.entry = {.count = 1, .reusable = true}}, SHIFT(6),
[5] = {.entry = {.count = 1, .reusable = true}}, SHIFT(2),
[7] = {.entry = {.count = 1, .reusable = false}}, SHIFT(7),
[9] = {.entry = {.count = 1, .reusable = true}}, SHIFT(3),
[11] = {.entry = {.count = 1, .reusable = false}}, SHIFT(8),
[13] = {.entry = {.count = 1, .reusable = true}}, SHIFT(4),
[15] = {.entry = {.count = 1, .reusable = false}}, REDUCE(aux_sym_string_literal_repeat1, 2),
[17] = {.entry = {.count = 2, .reusable = true}}, REDUCE(aux_sym_string_literal_repeat1, 2), SHIFT_REPEAT(4),
[20] = {.entry = {.count = 1, .reusable = true}}, ACCEPT_INPUT(),
[22] = {.entry = {.count = 1, .reusable = true}}, REDUCE(sym_source_file, 1),
[24] = {.entry = {.count = 1, .reusable = true}}, REDUCE(sym_string_literal, 2),
[26] = {.entry = {.count = 1, .reusable = true}}, REDUCE(sym_string_literal, 3),
[3] = {.entry = {.count = 1, .reusable = true}}, SHIFT(15),
[5] = {.entry = {.count = 1, .reusable = true}}, SHIFT(25),
[7] = {.entry = {.count = 1, .reusable = true}}, SHIFT(23),
[9] = {.entry = {.count = 1, .reusable = true}}, SHIFT(16),
[11] = {.entry = {.count = 1, .reusable = true}}, REDUCE(sym_binary_expression, 3, .production_id = 2),
[13] = {.entry = {.count = 1, .reusable = true}}, SHIFT(21),
[15] = {.entry = {.count = 1, .reusable = false}}, REDUCE(sym_binary_expression, 3, .production_id = 2),
[17] = {.entry = {.count = 1, .reusable = true}}, REDUCE(sym_sequence_expression, 4),
[19] = {.entry = {.count = 1, .reusable = false}}, REDUCE(sym_sequence_expression, 4),
[21] = {.entry = {.count = 1, .reusable = true}}, SHIFT(22),
[23] = {.entry = {.count = 1, .reusable = true}}, SHIFT(17),
[25] = {.entry = {.count = 1, .reusable = false}}, SHIFT(17),
[27] = {.entry = {.count = 1, .reusable = true}}, SHIFT(20),
[29] = {.entry = {.count = 1, .reusable = true}}, REDUCE(sym_string_literal, 2),
[31] = {.entry = {.count = 1, .reusable = false}}, REDUCE(sym_string_literal, 2),
[33] = {.entry = {.count = 1, .reusable = true}}, REDUCE(sym_unary_expression, 2, .production_id = 1),
[35] = {.entry = {.count = 1, .reusable = true}}, SHIFT(19),
[37] = {.entry = {.count = 1, .reusable = true}}, REDUCE(sym_sequence_expression, 2),
[39] = {.entry = {.count = 1, .reusable = false}}, REDUCE(sym_sequence_expression, 2),
[41] = {.entry = {.count = 1, .reusable = true}}, SHIFT(18),
[43] = {.entry = {.count = 1, .reusable = true}}, SHIFT(13),
[45] = {.entry = {.count = 1, .reusable = true}}, REDUCE(sym_string_literal, 3),
[47] = {.entry = {.count = 1, .reusable = false}}, REDUCE(sym_string_literal, 3),
[49] = {.entry = {.count = 1, .reusable = true}}, REDUCE(sym_sequence_expression, 3),
[51] = {.entry = {.count = 1, .reusable = false}}, REDUCE(sym_sequence_expression, 3),
[53] = {.entry = {.count = 1, .reusable = true}}, REDUCE(aux_sym_sequence_expression_repeat1, 2),
[55] = {.entry = {.count = 1, .reusable = true}}, REDUCE(sym_source_file, 1),
[57] = {.entry = {.count = 1, .reusable = true}}, SHIFT(9),
[59] = {.entry = {.count = 1, .reusable = true}}, SHIFT(8),
[61] = {.entry = {.count = 1, .reusable = true}}, SHIFT(10),
[63] = {.entry = {.count = 1, .reusable = true}}, SHIFT(14),
[65] = {.entry = {.count = 1, .reusable = true}}, SHIFT(4),
[67] = {.entry = {.count = 1, .reusable = true}}, SHIFT(6),
[69] = {.entry = {.count = 1, .reusable = true}}, SHIFT(11),
[71] = {.entry = {.count = 1, .reusable = true}}, SHIFT(2),
[73] = {.entry = {.count = 1, .reusable = true}}, SHIFT(7),
[75] = {.entry = {.count = 1, .reusable = false}}, REDUCE(aux_sym_string_literal_repeat1, 2),
[77] = {.entry = {.count = 2, .reusable = true}}, REDUCE(aux_sym_string_literal_repeat1, 2), SHIFT_REPEAT(24),
[80] = {.entry = {.count = 1, .reusable = false}}, SHIFT(5),
[82] = {.entry = {.count = 1, .reusable = true}}, SHIFT(26),
[84] = {.entry = {.count = 1, .reusable = false}}, SHIFT(12),
[86] = {.entry = {.count = 1, .reusable = true}}, SHIFT(24),
[88] = {.entry = {.count = 1, .reusable = true}}, SHIFT(3),
[90] = {.entry = {.count = 2, .reusable = true}}, REDUCE(aux_sym_sequence_expression_repeat1, 2), SHIFT_REPEAT(18),
[93] = {.entry = {.count = 1, .reusable = true}}, ACCEPT_INPUT(),
};
#ifdef __cplusplus
@ -331,6 +1031,9 @@ extern const TSLanguage *tree_sitter_tiger(void) {
.small_parse_table_map = ts_small_parse_table_map,
.parse_actions = ts_parse_actions,
.symbol_names = ts_symbol_names,
.field_names = ts_field_names,
.field_map_slices = ts_field_map_slices,
.field_map_entries = ts_field_map_entries,
.symbol_metadata = ts_symbol_metadata,
.public_symbol_map = ts_symbol_map,
.alias_map = ts_non_terminal_alias_map,

141
test/corpus/arithmetic.txt Normal file
View file

@ -0,0 +1,141 @@
================================================================================
Multiplication / division
================================================================================
12 * 27 / 42
--------------------------------------------------------------------------------
(source_file
(binary_expression
left: (binary_expression
left: (integer_literal)
operator: (operator)
right: (integer_literal))
operator: (operator)
right: (integer_literal)))
================================================================================
Addition / substraction
================================================================================
12 + 27 - 42
--------------------------------------------------------------------------------
(source_file
(binary_expression
left: (binary_expression
left: (integer_literal)
operator: (operator)
right: (integer_literal))
operator: (operator)
right: (integer_literal)))
================================================================================
Comparisons
================================================================================
12 <= 27
--------------------------------------------------------------------------------
(source_file
(binary_expression
left: (integer_literal)
operator: (operator)
right: (integer_literal)))
================================================================================
Non-associative comparisons
================================================================================
12 <= 27 <= 42
--------------------------------------------------------------------------------
(source_file
(binary_expression
left: (binary_expression
left: (integer_literal)
operator: (operator)
right: (integer_literal))
operator: (operator)
right: (integer_literal)))
================================================================================
And
================================================================================
12 & 27 & 42
--------------------------------------------------------------------------------
(source_file
(binary_expression
left: (binary_expression
left: (integer_literal)
operator: (operator)
right: (integer_literal))
operator: (operator)
right: (integer_literal)))
================================================================================
Or
================================================================================
12 | 27 | 42
--------------------------------------------------------------------------------
(source_file
(binary_expression
left: (binary_expression
left: (integer_literal)
operator: (operator)
right: (integer_literal))
operator: (operator)
right: (integer_literal)))
================================================================================
Unary minus
================================================================================
- - 12
--------------------------------------------------------------------------------
(source_file
(unary_expression
operator: (operator)
expression: (unary_expression
operator: (operator)
expression: (integer_literal))))
================================================================================
Precedence
================================================================================
-1 | 2 & 3 <= 4 + 5 * 6
--------------------------------------------------------------------------------
(source_file
(unary_expression
operator: (operator)
expression: (binary_expression
left: (integer_literal)
operator: (operator)
right: (binary_expression
left: (integer_literal)
operator: (operator)
right: (binary_expression
left: (integer_literal)
operator: (operator)
right: (binary_expression
left: (integer_literal)
operator: (operator)
right: (binary_expression
left: (integer_literal)
operator: (operator)
right: (integer_literal))))))))