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Add '+=' assignment

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This commit is contained in:
Bruno BELANYI 2024-04-07 21:40:17 +01:00
parent 38bf9532ad
commit bc06816b57
5 changed files with 137 additions and 52 deletions
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2
grammar.js
View file

@ -16,7 +16,7 @@ module.exports = grammar({
assignment: ($) => seq(
field("left", $.identifier),
field("operator", "="),
field("operator", choice("=", "+=")),
field("right", $._expr),
),

9
src/grammar.json generated
View file

@ -32,8 +32,17 @@
"type": "FIELD",
"name": "operator",
"content": {
"type": "CHOICE",
"members": [
{
"type": "STRING",
"value": "="
},
{
"type": "STRING",
"value": "+="
}
]
}
},
{

8
src/node-types.json generated
View file

@ -17,6 +17,10 @@
"multiple": false,
"required": true,
"types": [
{
"type": "+=",
"named": false
},
{
"type": "=",
"named": false
@ -54,6 +58,10 @@
]
}
},
{
"type": "+=",
"named": false
},
{
"type": "=",
"named": false

120
src/parser.c generated
View file

@ -7,10 +7,10 @@
#define LANGUAGE_VERSION 14
#define STATE_COUNT 8
#define LARGE_STATE_COUNT 4
#define SYMBOL_COUNT 9
#define LARGE_STATE_COUNT 2
#define SYMBOL_COUNT 10
#define ALIAS_COUNT 0
#define TOKEN_COUNT 4
#define TOKEN_COUNT 5
#define EXTERNAL_TOKEN_COUNT 0
#define FIELD_COUNT 3
#define MAX_ALIAS_SEQUENCE_LENGTH 3
@ -18,18 +18,20 @@
enum ts_symbol_identifiers {
anon_sym_EQ = 1,
sym_identifier = 2,
sym_integer_literal = 3,
sym_source_file = 4,
sym__definition = 5,
sym_assignment = 6,
sym__expr = 7,
aux_sym_source_file_repeat1 = 8,
anon_sym_PLUS_EQ = 2,
sym_identifier = 3,
sym_integer_literal = 4,
sym_source_file = 5,
sym__definition = 6,
sym_assignment = 7,
sym__expr = 8,
aux_sym_source_file_repeat1 = 9,
};
static const char * const ts_symbol_names[] = {
[ts_builtin_sym_end] = "end",
[anon_sym_EQ] = "=",
[anon_sym_PLUS_EQ] = "+=",
[sym_identifier] = "identifier",
[sym_integer_literal] = "integer_literal",
[sym_source_file] = "source_file",
@ -42,6 +44,7 @@ static const char * const ts_symbol_names[] = {
static const TSSymbol ts_symbol_map[] = {
[ts_builtin_sym_end] = ts_builtin_sym_end,
[anon_sym_EQ] = anon_sym_EQ,
[anon_sym_PLUS_EQ] = anon_sym_PLUS_EQ,
[sym_identifier] = sym_identifier,
[sym_integer_literal] = sym_integer_literal,
[sym_source_file] = sym_source_file,
@ -60,6 +63,10 @@ static const TSSymbolMetadata ts_symbol_metadata[] = {
.visible = true,
.named = false,
},
[anon_sym_PLUS_EQ] = {
.visible = true,
.named = false,
},
[sym_identifier] = {
.visible = true,
.named = true,
@ -1960,26 +1967,33 @@ static bool ts_lex(TSLexer *lexer, TSStateId state) {
eof = lexer->eof(lexer);
switch (state) {
case 0:
if (eof) ADVANCE(1);
if (lookahead == '=') ADVANCE(2);
if (eof) ADVANCE(2);
if (lookahead == '+') ADVANCE(1);
if (lookahead == '=') ADVANCE(3);
if (('\t' <= lookahead && lookahead <= '\r') ||
lookahead == ' ') SKIP(0)
if (('0' <= lookahead && lookahead <= '9')) ADVANCE(4);
if (sym_identifier_character_set_1(lookahead)) ADVANCE(3);
if (('0' <= lookahead && lookahead <= '9')) ADVANCE(6);
if (sym_identifier_character_set_1(lookahead)) ADVANCE(5);
END_STATE();
case 1:
ACCEPT_TOKEN(ts_builtin_sym_end);
if (lookahead == '=') ADVANCE(4);
END_STATE();
case 2:
ACCEPT_TOKEN(anon_sym_EQ);
ACCEPT_TOKEN(ts_builtin_sym_end);
END_STATE();
case 3:
ACCEPT_TOKEN(sym_identifier);
if (sym_identifier_character_set_2(lookahead)) ADVANCE(3);
ACCEPT_TOKEN(anon_sym_EQ);
END_STATE();
case 4:
ACCEPT_TOKEN(anon_sym_PLUS_EQ);
END_STATE();
case 5:
ACCEPT_TOKEN(sym_identifier);
if (sym_identifier_character_set_2(lookahead)) ADVANCE(5);
END_STATE();
case 6:
ACCEPT_TOKEN(sym_integer_literal);
if (('0' <= lookahead && lookahead <= '9')) ADVANCE(4);
if (('0' <= lookahead && lookahead <= '9')) ADVANCE(6);
END_STATE();
default:
return false;
@ -2001,6 +2015,7 @@ static const uint16_t ts_parse_table[LARGE_STATE_COUNT][SYMBOL_COUNT] = {
[0] = {
[ts_builtin_sym_end] = ACTIONS(1),
[anon_sym_EQ] = ACTIONS(1),
[anon_sym_PLUS_EQ] = ACTIONS(1),
[sym_identifier] = ACTIONS(1),
[sym_integer_literal] = ACTIONS(1),
},
@ -2012,59 +2027,66 @@ static const uint16_t ts_parse_table[LARGE_STATE_COUNT][SYMBOL_COUNT] = {
[ts_builtin_sym_end] = ACTIONS(3),
[sym_identifier] = ACTIONS(5),
},
[2] = {
[sym__definition] = STATE(3),
[sym_assignment] = STATE(3),
[aux_sym_source_file_repeat1] = STATE(3),
[ts_builtin_sym_end] = ACTIONS(7),
[sym_identifier] = ACTIONS(5),
},
[3] = {
[sym__definition] = STATE(3),
[sym_assignment] = STATE(3),
[aux_sym_source_file_repeat1] = STATE(3),
[ts_builtin_sym_end] = ACTIONS(9),
[sym_identifier] = ACTIONS(11),
},
};
static const uint16_t ts_small_parse_table[] = {
[0] = 2,
STATE(5), 1,
[0] = 3,
ACTIONS(5), 1,
sym_identifier,
ACTIONS(7), 1,
ts_builtin_sym_end,
STATE(3), 3,
sym__definition,
sym_assignment,
aux_sym_source_file_repeat1,
[12] = 3,
ACTIONS(9), 1,
ts_builtin_sym_end,
ACTIONS(11), 1,
sym_identifier,
STATE(3), 3,
sym__definition,
sym_assignment,
aux_sym_source_file_repeat1,
[24] = 2,
STATE(6), 1,
sym__expr,
ACTIONS(14), 2,
sym_identifier,
sym_integer_literal,
[8] = 1,
[32] = 1,
ACTIONS(16), 2,
anon_sym_EQ,
anon_sym_PLUS_EQ,
[37] = 1,
ACTIONS(18), 2,
ts_builtin_sym_end,
sym_identifier,
[13] = 1,
ACTIONS(18), 1,
anon_sym_EQ,
[17] = 1,
[42] = 1,
ACTIONS(20), 1,
ts_builtin_sym_end,
};
static const uint32_t ts_small_parse_table_map[] = {
[SMALL_STATE(4)] = 0,
[SMALL_STATE(5)] = 8,
[SMALL_STATE(6)] = 13,
[SMALL_STATE(7)] = 17,
[SMALL_STATE(2)] = 0,
[SMALL_STATE(3)] = 12,
[SMALL_STATE(4)] = 24,
[SMALL_STATE(5)] = 32,
[SMALL_STATE(6)] = 37,
[SMALL_STATE(7)] = 42,
};
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}}, REDUCE(sym_source_file, 0),
[5] = {.entry = {.count = 1, .reusable = true}}, SHIFT(6),
[5] = {.entry = {.count = 1, .reusable = true}}, SHIFT(5),
[7] = {.entry = {.count = 1, .reusable = true}}, REDUCE(sym_source_file, 1),
[9] = {.entry = {.count = 1, .reusable = true}}, REDUCE(aux_sym_source_file_repeat1, 2),
[11] = {.entry = {.count = 2, .reusable = true}}, REDUCE(aux_sym_source_file_repeat1, 2), SHIFT_REPEAT(6),
[14] = {.entry = {.count = 1, .reusable = true}}, SHIFT(5),
[16] = {.entry = {.count = 1, .reusable = true}}, REDUCE(sym_assignment, 3, .production_id = 1),
[18] = {.entry = {.count = 1, .reusable = true}}, SHIFT(4),
[11] = {.entry = {.count = 2, .reusable = true}}, REDUCE(aux_sym_source_file_repeat1, 2), SHIFT_REPEAT(5),
[14] = {.entry = {.count = 1, .reusable = true}}, SHIFT(6),
[16] = {.entry = {.count = 1, .reusable = true}}, SHIFT(4),
[18] = {.entry = {.count = 1, .reusable = true}}, REDUCE(sym_assignment, 3, .production_id = 1),
[20] = {.entry = {.count = 1, .reusable = true}}, ACCEPT_INPUT(),
};

46
test/corpus/definitions.txt
View file

@ -32,6 +32,19 @@ foo = bar
(identifier)
(identifier)))
================================================================================
Addition assignement
================================================================================
foo += 12
--------------------------------------------------------------------------------
(source_file
(assignment
(identifier)
(integer_literal)))
================================================================================
Multiple assignments
================================================================================
@ -48,3 +61,36 @@ bar = 27
(assignment
(identifier)
(integer_literal)))
================================================================================
Various assignements
================================================================================
foo = 0
foo += 12
bar = 27
baz = 42
qux = 1
qux += 1
--------------------------------------------------------------------------------
(source_file
(assignment
(identifier)
(integer_literal))
(assignment
(identifier)
(integer_literal))
(assignment
(identifier)
(integer_literal))
(assignment
(identifier)
(integer_literal))
(assignment
(identifier)
(integer_literal))
(assignment
(identifier)
(integer_literal)))