wip: add dialects
This commit is contained in:
Michael Hoffmann
@@ -1,5 +1,10 @@
|
||||
# Changelog
|
||||
|
||||
## 1.1.0 - not yet released
|
||||
|
||||
feature
|
||||
* add dialects so we can have different queries in `nvim-treesitter`
|
||||
|
||||
## 1.0.0 - 2022-12-02
|
||||
|
||||
breaking:
|
||||
|
||||
@@ -0,0 +1,3 @@
|
||||
const make_grammar = require('../../make_grammar');
|
||||
|
||||
module.exports = make_grammar('terraform');
|
||||
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,26 @@
|
||||
#include "../../../src/scanner.cc"
|
||||
|
||||
extern "C" {
|
||||
|
||||
// tree sitter callbacks
|
||||
void* tree_sitter_terraform_external_scanner_create() {
|
||||
return tree_sitter_hcl_external_scanner_create();
|
||||
}
|
||||
|
||||
void tree_sitter_terraform_external_scanner_destroy(void* p) {
|
||||
return tree_sitter_hcl_external_scanner_destroy(p);
|
||||
}
|
||||
|
||||
unsigned tree_sitter_terraform_external_scanner_serialize(void* p, char* b) {
|
||||
return tree_sitter_hcl_external_scanner_serialize(p, b);
|
||||
}
|
||||
|
||||
void tree_sitter_terraform_external_scanner_deserialize(void* p, const char* b, unsigned n) {
|
||||
return tree_sitter_hcl_external_scanner_deserialize(p, b, n);
|
||||
}
|
||||
|
||||
bool tree_sitter_terraform_external_scanner_scan(void* p, TSLexer* lexer, const bool* valid_symbols) {
|
||||
return tree_sitter_hcl_external_scanner_scan(p, lexer, valid_symbols);
|
||||
}
|
||||
|
||||
} // extern "C"
|
||||
@@ -0,0 +1,224 @@
|
||||
#ifndef TREE_SITTER_PARSER_H_
|
||||
#define TREE_SITTER_PARSER_H_
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#include <stdbool.h>
|
||||
#include <stdint.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
#define ts_builtin_sym_error ((TSSymbol)-1)
|
||||
#define ts_builtin_sym_end 0
|
||||
#define TREE_SITTER_SERIALIZATION_BUFFER_SIZE 1024
|
||||
|
||||
typedef uint16_t TSStateId;
|
||||
|
||||
#ifndef TREE_SITTER_API_H_
|
||||
typedef uint16_t TSSymbol;
|
||||
typedef uint16_t TSFieldId;
|
||||
typedef struct TSLanguage TSLanguage;
|
||||
#endif
|
||||
|
||||
typedef struct {
|
||||
TSFieldId field_id;
|
||||
uint8_t child_index;
|
||||
bool inherited;
|
||||
} TSFieldMapEntry;
|
||||
|
||||
typedef struct {
|
||||
uint16_t index;
|
||||
uint16_t length;
|
||||
} TSFieldMapSlice;
|
||||
|
||||
typedef struct {
|
||||
bool visible;
|
||||
bool named;
|
||||
bool supertype;
|
||||
} TSSymbolMetadata;
|
||||
|
||||
typedef struct TSLexer TSLexer;
|
||||
|
||||
struct TSLexer {
|
||||
int32_t lookahead;
|
||||
TSSymbol result_symbol;
|
||||
void (*advance)(TSLexer *, bool);
|
||||
void (*mark_end)(TSLexer *);
|
||||
uint32_t (*get_column)(TSLexer *);
|
||||
bool (*is_at_included_range_start)(const TSLexer *);
|
||||
bool (*eof)(const TSLexer *);
|
||||
};
|
||||
|
||||
typedef enum {
|
||||
TSParseActionTypeShift,
|
||||
TSParseActionTypeReduce,
|
||||
TSParseActionTypeAccept,
|
||||
TSParseActionTypeRecover,
|
||||
} TSParseActionType;
|
||||
|
||||
typedef union {
|
||||
struct {
|
||||
uint8_t type;
|
||||
TSStateId state;
|
||||
bool extra;
|
||||
bool repetition;
|
||||
} shift;
|
||||
struct {
|
||||
uint8_t type;
|
||||
uint8_t child_count;
|
||||
TSSymbol symbol;
|
||||
int16_t dynamic_precedence;
|
||||
uint16_t production_id;
|
||||
} reduce;
|
||||
uint8_t type;
|
||||
} TSParseAction;
|
||||
|
||||
typedef struct {
|
||||
uint16_t lex_state;
|
||||
uint16_t external_lex_state;
|
||||
} TSLexMode;
|
||||
|
||||
typedef union {
|
||||
TSParseAction action;
|
||||
struct {
|
||||
uint8_t count;
|
||||
bool reusable;
|
||||
} entry;
|
||||
} TSParseActionEntry;
|
||||
|
||||
struct TSLanguage {
|
||||
uint32_t version;
|
||||
uint32_t symbol_count;
|
||||
uint32_t alias_count;
|
||||
uint32_t token_count;
|
||||
uint32_t external_token_count;
|
||||
uint32_t state_count;
|
||||
uint32_t large_state_count;
|
||||
uint32_t production_id_count;
|
||||
uint32_t field_count;
|
||||
uint16_t max_alias_sequence_length;
|
||||
const uint16_t *parse_table;
|
||||
const uint16_t *small_parse_table;
|
||||
const uint32_t *small_parse_table_map;
|
||||
const TSParseActionEntry *parse_actions;
|
||||
const char * const *symbol_names;
|
||||
const char * const *field_names;
|
||||
const TSFieldMapSlice *field_map_slices;
|
||||
const TSFieldMapEntry *field_map_entries;
|
||||
const TSSymbolMetadata *symbol_metadata;
|
||||
const TSSymbol *public_symbol_map;
|
||||
const uint16_t *alias_map;
|
||||
const TSSymbol *alias_sequences;
|
||||
const TSLexMode *lex_modes;
|
||||
bool (*lex_fn)(TSLexer *, TSStateId);
|
||||
bool (*keyword_lex_fn)(TSLexer *, TSStateId);
|
||||
TSSymbol keyword_capture_token;
|
||||
struct {
|
||||
const bool *states;
|
||||
const TSSymbol *symbol_map;
|
||||
void *(*create)(void);
|
||||
void (*destroy)(void *);
|
||||
bool (*scan)(void *, TSLexer *, const bool *symbol_whitelist);
|
||||
unsigned (*serialize)(void *, char *);
|
||||
void (*deserialize)(void *, const char *, unsigned);
|
||||
} external_scanner;
|
||||
const TSStateId *primary_state_ids;
|
||||
};
|
||||
|
||||
/*
|
||||
* Lexer Macros
|
||||
*/
|
||||
|
||||
#define START_LEXER() \
|
||||
bool result = false; \
|
||||
bool skip = false; \
|
||||
bool eof = false; \
|
||||
int32_t lookahead; \
|
||||
goto start; \
|
||||
next_state: \
|
||||
lexer->advance(lexer, skip); \
|
||||
start: \
|
||||
skip = false; \
|
||||
lookahead = lexer->lookahead;
|
||||
|
||||
#define ADVANCE(state_value) \
|
||||
{ \
|
||||
state = state_value; \
|
||||
goto next_state; \
|
||||
}
|
||||
|
||||
#define SKIP(state_value) \
|
||||
{ \
|
||||
skip = true; \
|
||||
state = state_value; \
|
||||
goto next_state; \
|
||||
}
|
||||
|
||||
#define ACCEPT_TOKEN(symbol_value) \
|
||||
result = true; \
|
||||
lexer->result_symbol = symbol_value; \
|
||||
lexer->mark_end(lexer);
|
||||
|
||||
#define END_STATE() return result;
|
||||
|
||||
/*
|
||||
* Parse Table Macros
|
||||
*/
|
||||
|
||||
#define SMALL_STATE(id) id - LARGE_STATE_COUNT
|
||||
|
||||
#define STATE(id) id
|
||||
|
||||
#define ACTIONS(id) id
|
||||
|
||||
#define SHIFT(state_value) \
|
||||
{{ \
|
||||
.shift = { \
|
||||
.type = TSParseActionTypeShift, \
|
||||
.state = state_value \
|
||||
} \
|
||||
}}
|
||||
|
||||
#define SHIFT_REPEAT(state_value) \
|
||||
{{ \
|
||||
.shift = { \
|
||||
.type = TSParseActionTypeShift, \
|
||||
.state = state_value, \
|
||||
.repetition = true \
|
||||
} \
|
||||
}}
|
||||
|
||||
#define SHIFT_EXTRA() \
|
||||
{{ \
|
||||
.shift = { \
|
||||
.type = TSParseActionTypeShift, \
|
||||
.extra = true \
|
||||
} \
|
||||
}}
|
||||
|
||||
#define REDUCE(symbol_val, child_count_val, ...) \
|
||||
{{ \
|
||||
.reduce = { \
|
||||
.type = TSParseActionTypeReduce, \
|
||||
.symbol = symbol_val, \
|
||||
.child_count = child_count_val, \
|
||||
__VA_ARGS__ \
|
||||
}, \
|
||||
}}
|
||||
|
||||
#define RECOVER() \
|
||||
{{ \
|
||||
.type = TSParseActionTypeRecover \
|
||||
}}
|
||||
|
||||
#define ACCEPT_INPUT() \
|
||||
{{ \
|
||||
.type = TSParseActionTypeAccept \
|
||||
}}
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif // TREE_SITTER_PARSER_H_
|
||||
+2
-379
@@ -1,380 +1,3 @@
|
||||
const
|
||||
PREC = {
|
||||
unary: 7,
|
||||
binary_mult: 6,
|
||||
binary_add: 5,
|
||||
binary_ord: 4,
|
||||
binary_comp: 3,
|
||||
binary_and: 2,
|
||||
binary_or: 1,
|
||||
const make_grammar = require('./make_grammar');
|
||||
|
||||
// if possible prefer string_literals to quoted templates
|
||||
string_lit: 2,
|
||||
quoted_template: 1,
|
||||
}
|
||||
|
||||
module.exports = grammar({
|
||||
name: 'hcl',
|
||||
|
||||
externals: $ => [
|
||||
$.quoted_template_start,
|
||||
$.quoted_template_end,
|
||||
$._template_literal_chunk,
|
||||
$.template_interpolation_start,
|
||||
$.template_interpolation_end,
|
||||
$.template_directive_start,
|
||||
$.template_directive_end,
|
||||
$.heredoc_identifier,
|
||||
],
|
||||
|
||||
extras: $ => [
|
||||
$.comment,
|
||||
$._whitespace,
|
||||
],
|
||||
|
||||
rules: {
|
||||
// also allow objects to handle .tfvars in json format
|
||||
config_file: $ => optional(choice($.body, $.object)),
|
||||
|
||||
body: $ => repeat1(
|
||||
choice(
|
||||
$.attribute,
|
||||
$.block,
|
||||
),
|
||||
),
|
||||
|
||||
attribute: $ => seq(
|
||||
$.identifier,
|
||||
'=',
|
||||
$.expression,
|
||||
),
|
||||
|
||||
block: $ => seq(
|
||||
$.identifier,
|
||||
repeat(choice($.string_lit, $.identifier)),
|
||||
$.block_start,
|
||||
optional($.body),
|
||||
$.block_end,
|
||||
),
|
||||
|
||||
block_start: $ => '{',
|
||||
block_end: $ => '}',
|
||||
|
||||
identifier: $ => token(seq(
|
||||
choice(/\p{ID_Start}/, '_'),
|
||||
repeat(choice(/\p{ID_Continue}/, '-')),
|
||||
)),
|
||||
|
||||
expression: $ => prec.right(choice(
|
||||
$._expr_term,
|
||||
$.conditional,
|
||||
)),
|
||||
|
||||
// operations are documented as expressions, but our real world samples
|
||||
// contain instances of operations without parentheses. think for example:
|
||||
// x = a == "" && b != ""
|
||||
_expr_term: $ => choice(
|
||||
$.literal_value,
|
||||
$.template_expr,
|
||||
$.collection_value,
|
||||
$.variable_expr,
|
||||
$.function_call,
|
||||
$.for_expr,
|
||||
$.operation,
|
||||
seq($._expr_term, $.index),
|
||||
seq($._expr_term, $.get_attr),
|
||||
seq($._expr_term, $.splat),
|
||||
seq('(', $.expression, ')'),
|
||||
),
|
||||
|
||||
literal_value: $ => choice(
|
||||
$.numeric_lit,
|
||||
$.bool_lit,
|
||||
$.null_lit,
|
||||
$.string_lit,
|
||||
),
|
||||
|
||||
numeric_lit: $ => choice(
|
||||
/[0-9]+(\.[0-9]+([eE][-+]?[0-9]+)?)?/,
|
||||
/0x[0-9a-zA-Z]+/
|
||||
),
|
||||
|
||||
bool_lit: $ => choice('true', 'false'),
|
||||
|
||||
null_lit: $ => 'null',
|
||||
|
||||
string_lit: $ => prec(PREC.string_lit, seq(
|
||||
$.quoted_template_start,
|
||||
optional($.template_literal),
|
||||
$.quoted_template_end,
|
||||
)),
|
||||
|
||||
|
||||
collection_value: $ => choice(
|
||||
$.tuple,
|
||||
$.object,
|
||||
),
|
||||
|
||||
_comma: $ => ',',
|
||||
|
||||
tuple: $ => seq(
|
||||
$.tuple_start,
|
||||
optional($._tuple_elems),
|
||||
$.tuple_end,
|
||||
),
|
||||
|
||||
tuple_start: $ => '[',
|
||||
tuple_end: $ => ']',
|
||||
|
||||
_tuple_elems: $ => seq(
|
||||
$.expression,
|
||||
repeat(seq(
|
||||
$._comma,
|
||||
$.expression,
|
||||
)),
|
||||
optional($._comma),
|
||||
),
|
||||
|
||||
object: $ => seq(
|
||||
$.object_start,
|
||||
optional($._object_elems),
|
||||
$.object_end,
|
||||
),
|
||||
|
||||
object_start: $ => '{',
|
||||
object_end: $ => '}',
|
||||
|
||||
_object_elems: $ => seq(
|
||||
$.object_elem,
|
||||
repeat(seq(
|
||||
optional($._comma),
|
||||
$.object_elem
|
||||
)),
|
||||
optional($._comma),
|
||||
),
|
||||
|
||||
object_elem: $ => seq(
|
||||
field("key", $.expression),
|
||||
choice('=', ':'),
|
||||
field("val", $.expression),
|
||||
),
|
||||
|
||||
index: $ => choice($.new_index, $.legacy_index),
|
||||
|
||||
new_index: $ => seq('[', $.expression, ']'),
|
||||
legacy_index: $ => seq('.', /[0-9]+/),
|
||||
|
||||
get_attr: $ => seq('.', $.identifier),
|
||||
|
||||
splat: $ => choice($.attr_splat, $.full_splat),
|
||||
|
||||
attr_splat: $ => prec.right(seq(
|
||||
'.*',
|
||||
repeat(choice($.get_attr, $.index)),
|
||||
)),
|
||||
|
||||
full_splat: $ => prec.right(seq(
|
||||
'[*]',
|
||||
repeat(choice($.get_attr, $.index)),
|
||||
)),
|
||||
|
||||
for_expr: $ => choice($.for_tuple_expr, $.for_object_expr),
|
||||
|
||||
for_tuple_expr: $ => seq(
|
||||
$.tuple_start,
|
||||
$.for_intro,
|
||||
$.expression,
|
||||
optional($.for_cond),
|
||||
$.tuple_end,
|
||||
),
|
||||
|
||||
for_object_expr: $ => seq(
|
||||
$.object_start,
|
||||
$.for_intro,
|
||||
$.expression,
|
||||
'=>',
|
||||
$.expression,
|
||||
optional($.ellipsis),
|
||||
optional($.for_cond),
|
||||
$.object_end,
|
||||
),
|
||||
|
||||
for_intro: $ => seq(
|
||||
'for',
|
||||
$.identifier,
|
||||
optional(seq(',', $.identifier)),
|
||||
'in',
|
||||
$.expression,
|
||||
':',
|
||||
),
|
||||
|
||||
for_cond: $ => seq(
|
||||
'if',
|
||||
$.expression,
|
||||
),
|
||||
|
||||
variable_expr: $ => prec.right($.identifier),
|
||||
|
||||
function_call: $ => seq(
|
||||
$.identifier,
|
||||
$._function_call_start,
|
||||
optional($.function_arguments),
|
||||
$._function_call_end,
|
||||
),
|
||||
|
||||
_function_call_start: $ => '(',
|
||||
_function_call_end: $ => ')',
|
||||
|
||||
function_arguments: $ => prec.right(seq(
|
||||
$.expression,
|
||||
repeat(seq($._comma, $.expression,)),
|
||||
optional(choice($._comma, $.ellipsis)),
|
||||
)),
|
||||
|
||||
ellipsis: $ => token('...'),
|
||||
|
||||
conditional: $ => prec.left(seq(
|
||||
$.expression,
|
||||
'?',
|
||||
$.expression,
|
||||
':',
|
||||
$.expression,
|
||||
)),
|
||||
|
||||
operation: $ => choice($.unary_operation, $.binary_operation),
|
||||
|
||||
unary_operation: $ => prec.left(PREC.unary, seq(choice('-', '!'), $._expr_term)),
|
||||
|
||||
binary_operation: $ => {
|
||||
const table = [
|
||||
[PREC.binary_mult, choice('*', '/', '%')],
|
||||
[PREC.binary_add, choice('+', '-')],
|
||||
[PREC.binary_ord, choice('>', '>=', '<', '<=')],
|
||||
[PREC.binary_comp, choice('==', '!=')],
|
||||
[PREC.binary_and, choice('&&')],
|
||||
[PREC.binary_or, choice('||')],
|
||||
];
|
||||
|
||||
return choice(...table.map(([precedence, operator]) =>
|
||||
prec.left(precedence, seq($._expr_term, operator, $._expr_term),
|
||||
))
|
||||
);
|
||||
},
|
||||
|
||||
template_expr: $ => choice(
|
||||
$.quoted_template,
|
||||
$.heredoc_template,
|
||||
),
|
||||
|
||||
quoted_template: $ => prec(PREC.quoted_template, seq(
|
||||
$.quoted_template_start,
|
||||
optional($._template),
|
||||
$.quoted_template_end,
|
||||
)),
|
||||
|
||||
heredoc_template: $ => seq(
|
||||
$.heredoc_start,
|
||||
$.heredoc_identifier,
|
||||
optional($._template),
|
||||
$.heredoc_identifier,
|
||||
),
|
||||
|
||||
heredoc_start: $ => choice('<<', '<<-'),
|
||||
|
||||
strip_marker: $ => '~',
|
||||
|
||||
_template: $ => repeat1(choice(
|
||||
$.template_interpolation,
|
||||
$.template_directive,
|
||||
$.template_literal,
|
||||
)),
|
||||
|
||||
template_literal: $ => prec.right(repeat1(
|
||||
$._template_literal_chunk,
|
||||
)),
|
||||
|
||||
template_interpolation: $ => seq(
|
||||
$.template_interpolation_start,
|
||||
optional($.strip_marker),
|
||||
optional($.expression),
|
||||
optional($.strip_marker),
|
||||
$.template_interpolation_end,
|
||||
),
|
||||
|
||||
template_directive: $ => choice(
|
||||
$.template_for,
|
||||
$.template_if,
|
||||
),
|
||||
|
||||
template_for: $ => seq(
|
||||
$.template_for_start,
|
||||
optional($._template),
|
||||
$.template_for_end,
|
||||
),
|
||||
|
||||
template_for_start: $ => seq(
|
||||
$.template_directive_start,
|
||||
optional($.strip_marker),
|
||||
"for",
|
||||
$.identifier,
|
||||
optional(seq(",", $.identifier)),
|
||||
"in",
|
||||
$.expression,
|
||||
optional($.strip_marker),
|
||||
$.template_directive_end
|
||||
),
|
||||
|
||||
template_for_end: $ => seq(
|
||||
$.template_directive_start,
|
||||
optional($.strip_marker),
|
||||
"endfor",
|
||||
optional($.strip_marker),
|
||||
$.template_directive_end
|
||||
),
|
||||
|
||||
template_if: $ => seq(
|
||||
$.template_if_intro,
|
||||
optional($._template),
|
||||
optional(seq($.template_else_intro, optional($._template))),
|
||||
$.template_if_end,
|
||||
),
|
||||
|
||||
template_if_intro: $ => seq(
|
||||
$.template_directive_start,
|
||||
optional($.strip_marker),
|
||||
"if",
|
||||
$.expression,
|
||||
optional($.strip_marker),
|
||||
$.template_directive_end
|
||||
),
|
||||
|
||||
template_else_intro: $ => seq(
|
||||
$.template_directive_start,
|
||||
optional($.strip_marker),
|
||||
"else",
|
||||
optional($.strip_marker),
|
||||
$.template_directive_end
|
||||
),
|
||||
|
||||
template_if_end: $ => seq(
|
||||
$.template_directive_start,
|
||||
optional($.strip_marker),
|
||||
"endif",
|
||||
optional($.strip_marker),
|
||||
$.template_directive_end
|
||||
),
|
||||
|
||||
// http://stackoverflow.com/questions/13014947/regex-to-match-a-c-style-multiline-comment/36328890#36328890
|
||||
comment: $ => token(choice(
|
||||
seq('#', /.*/),
|
||||
seq('//', /.*/),
|
||||
seq(
|
||||
'/*',
|
||||
/[^*]*\*+([^/*][^*]*\*+)*/,
|
||||
'/'
|
||||
)
|
||||
)),
|
||||
|
||||
_whitespace: $ => token(/\s/),
|
||||
}
|
||||
});
|
||||
module.exports = make_grammar('hcl');
|
||||
|
||||
+381
@@ -0,0 +1,381 @@
|
||||
module.exports = function make_grammar(dialect) {
|
||||
const
|
||||
PREC = {
|
||||
unary: 7,
|
||||
binary_mult: 6,
|
||||
binary_add: 5,
|
||||
binary_ord: 4,
|
||||
binary_comp: 3,
|
||||
binary_and: 2,
|
||||
binary_or: 1,
|
||||
|
||||
// if possible prefer string_literals to quoted templates
|
||||
string_lit: 2,
|
||||
quoted_template: 1,
|
||||
}
|
||||
return grammar({
|
||||
name: dialect,
|
||||
|
||||
externals: $ => [
|
||||
$.quoted_template_start,
|
||||
$.quoted_template_end,
|
||||
$._template_literal_chunk,
|
||||
$.template_interpolation_start,
|
||||
$.template_interpolation_end,
|
||||
$.template_directive_start,
|
||||
$.template_directive_end,
|
||||
$.heredoc_identifier,
|
||||
],
|
||||
|
||||
extras: $ => [
|
||||
$.comment,
|
||||
$._whitespace,
|
||||
],
|
||||
|
||||
rules: {
|
||||
// also allow objects to handle .tfvars in json format
|
||||
config_file: $ => optional(choice($.body, $.object)),
|
||||
|
||||
body: $ => repeat1(
|
||||
choice(
|
||||
$.attribute,
|
||||
$.block,
|
||||
),
|
||||
),
|
||||
|
||||
attribute: $ => seq(
|
||||
$.identifier,
|
||||
'=',
|
||||
$.expression,
|
||||
),
|
||||
|
||||
block: $ => seq(
|
||||
$.identifier,
|
||||
repeat(choice($.string_lit, $.identifier)),
|
||||
$.block_start,
|
||||
optional($.body),
|
||||
$.block_end,
|
||||
),
|
||||
|
||||
block_start: $ => '{',
|
||||
block_end: $ => '}',
|
||||
|
||||
identifier: $ => token(seq(
|
||||
choice(/\p{ID_Start}/, '_'),
|
||||
repeat(choice(/\p{ID_Continue}/, '-')),
|
||||
)),
|
||||
|
||||
expression: $ => prec.right(choice(
|
||||
$._expr_term,
|
||||
$.conditional,
|
||||
)),
|
||||
|
||||
// operations are documented as expressions, but our real world samples
|
||||
// contain instances of operations without parentheses. think for example:
|
||||
// x = a == "" && b != ""
|
||||
_expr_term: $ => choice(
|
||||
$.literal_value,
|
||||
$.template_expr,
|
||||
$.collection_value,
|
||||
$.variable_expr,
|
||||
$.function_call,
|
||||
$.for_expr,
|
||||
$.operation,
|
||||
seq($._expr_term, $.index),
|
||||
seq($._expr_term, $.get_attr),
|
||||
seq($._expr_term, $.splat),
|
||||
seq('(', $.expression, ')'),
|
||||
),
|
||||
|
||||
literal_value: $ => choice(
|
||||
$.numeric_lit,
|
||||
$.bool_lit,
|
||||
$.null_lit,
|
||||
$.string_lit,
|
||||
),
|
||||
|
||||
numeric_lit: $ => choice(
|
||||
/[0-9]+(\.[0-9]+([eE][-+]?[0-9]+)?)?/,
|
||||
/0x[0-9a-zA-Z]+/
|
||||
),
|
||||
|
||||
bool_lit: $ => choice('true', 'false'),
|
||||
|
||||
null_lit: $ => 'null',
|
||||
|
||||
string_lit: $ => prec(PREC.string_lit, seq(
|
||||
$.quoted_template_start,
|
||||
optional($.template_literal),
|
||||
$.quoted_template_end,
|
||||
)),
|
||||
|
||||
|
||||
collection_value: $ => choice(
|
||||
$.tuple,
|
||||
$.object,
|
||||
),
|
||||
|
||||
_comma: $ => ',',
|
||||
|
||||
tuple: $ => seq(
|
||||
$.tuple_start,
|
||||
optional($._tuple_elems),
|
||||
$.tuple_end,
|
||||
),
|
||||
|
||||
tuple_start: $ => '[',
|
||||
tuple_end: $ => ']',
|
||||
|
||||
_tuple_elems: $ => seq(
|
||||
$.expression,
|
||||
repeat(seq(
|
||||
$._comma,
|
||||
$.expression,
|
||||
)),
|
||||
optional($._comma),
|
||||
),
|
||||
|
||||
object: $ => seq(
|
||||
$.object_start,
|
||||
optional($._object_elems),
|
||||
$.object_end,
|
||||
),
|
||||
|
||||
object_start: $ => '{',
|
||||
object_end: $ => '}',
|
||||
|
||||
_object_elems: $ => seq(
|
||||
$.object_elem,
|
||||
repeat(seq(
|
||||
optional($._comma),
|
||||
$.object_elem
|
||||
)),
|
||||
optional($._comma),
|
||||
),
|
||||
|
||||
object_elem: $ => seq(
|
||||
field("key", $.expression),
|
||||
choice('=', ':'),
|
||||
field("val", $.expression),
|
||||
),
|
||||
|
||||
index: $ => choice($.new_index, $.legacy_index),
|
||||
|
||||
new_index: $ => seq('[', $.expression, ']'),
|
||||
legacy_index: $ => seq('.', /[0-9]+/),
|
||||
|
||||
get_attr: $ => seq('.', $.identifier),
|
||||
|
||||
splat: $ => choice($.attr_splat, $.full_splat),
|
||||
|
||||
attr_splat: $ => prec.right(seq(
|
||||
'.*',
|
||||
repeat(choice($.get_attr, $.index)),
|
||||
)),
|
||||
|
||||
full_splat: $ => prec.right(seq(
|
||||
'[*]',
|
||||
repeat(choice($.get_attr, $.index)),
|
||||
)),
|
||||
|
||||
for_expr: $ => choice($.for_tuple_expr, $.for_object_expr),
|
||||
|
||||
for_tuple_expr: $ => seq(
|
||||
$.tuple_start,
|
||||
$.for_intro,
|
||||
$.expression,
|
||||
optional($.for_cond),
|
||||
$.tuple_end,
|
||||
),
|
||||
|
||||
for_object_expr: $ => seq(
|
||||
$.object_start,
|
||||
$.for_intro,
|
||||
$.expression,
|
||||
'=>',
|
||||
$.expression,
|
||||
optional($.ellipsis),
|
||||
optional($.for_cond),
|
||||
$.object_end,
|
||||
),
|
||||
|
||||
for_intro: $ => seq(
|
||||
'for',
|
||||
$.identifier,
|
||||
optional(seq(',', $.identifier)),
|
||||
'in',
|
||||
$.expression,
|
||||
':',
|
||||
),
|
||||
|
||||
for_cond: $ => seq(
|
||||
'if',
|
||||
$.expression,
|
||||
),
|
||||
|
||||
variable_expr: $ => prec.right($.identifier),
|
||||
|
||||
function_call: $ => seq(
|
||||
$.identifier,
|
||||
$._function_call_start,
|
||||
optional($.function_arguments),
|
||||
$._function_call_end,
|
||||
),
|
||||
|
||||
_function_call_start: $ => '(',
|
||||
_function_call_end: $ => ')',
|
||||
|
||||
function_arguments: $ => prec.right(seq(
|
||||
$.expression,
|
||||
repeat(seq($._comma, $.expression,)),
|
||||
optional(choice($._comma, $.ellipsis)),
|
||||
)),
|
||||
|
||||
ellipsis: $ => token('...'),
|
||||
|
||||
conditional: $ => prec.left(seq(
|
||||
$.expression,
|
||||
'?',
|
||||
$.expression,
|
||||
':',
|
||||
$.expression,
|
||||
)),
|
||||
|
||||
operation: $ => choice($.unary_operation, $.binary_operation),
|
||||
|
||||
unary_operation: $ => prec.left(PREC.unary, seq(choice('-', '!'), $._expr_term)),
|
||||
|
||||
binary_operation: $ => {
|
||||
const table = [
|
||||
[PREC.binary_mult, choice('*', '/', '%')],
|
||||
[PREC.binary_add, choice('+', '-')],
|
||||
[PREC.binary_ord, choice('>', '>=', '<', '<=')],
|
||||
[PREC.binary_comp, choice('==', '!=')],
|
||||
[PREC.binary_and, choice('&&')],
|
||||
[PREC.binary_or, choice('||')],
|
||||
];
|
||||
|
||||
return choice(...table.map(([precedence, operator]) =>
|
||||
prec.left(precedence, seq($._expr_term, operator, $._expr_term),
|
||||
))
|
||||
);
|
||||
},
|
||||
|
||||
template_expr: $ => choice(
|
||||
$.quoted_template,
|
||||
$.heredoc_template,
|
||||
),
|
||||
|
||||
quoted_template: $ => prec(PREC.quoted_template, seq(
|
||||
$.quoted_template_start,
|
||||
optional($._template),
|
||||
$.quoted_template_end,
|
||||
)),
|
||||
|
||||
heredoc_template: $ => seq(
|
||||
$.heredoc_start,
|
||||
$.heredoc_identifier,
|
||||
optional($._template),
|
||||
$.heredoc_identifier,
|
||||
),
|
||||
|
||||
heredoc_start: $ => choice('<<', '<<-'),
|
||||
|
||||
strip_marker: $ => '~',
|
||||
|
||||
_template: $ => repeat1(choice(
|
||||
$.template_interpolation,
|
||||
$.template_directive,
|
||||
$.template_literal,
|
||||
)),
|
||||
|
||||
template_literal: $ => prec.right(repeat1(
|
||||
$._template_literal_chunk,
|
||||
)),
|
||||
|
||||
template_interpolation: $ => seq(
|
||||
$.template_interpolation_start,
|
||||
optional($.strip_marker),
|
||||
optional($.expression),
|
||||
optional($.strip_marker),
|
||||
$.template_interpolation_end,
|
||||
),
|
||||
|
||||
template_directive: $ => choice(
|
||||
$.template_for,
|
||||
$.template_if,
|
||||
),
|
||||
|
||||
template_for: $ => seq(
|
||||
$.template_for_start,
|
||||
optional($._template),
|
||||
$.template_for_end,
|
||||
),
|
||||
|
||||
template_for_start: $ => seq(
|
||||
$.template_directive_start,
|
||||
optional($.strip_marker),
|
||||
"for",
|
||||
$.identifier,
|
||||
optional(seq(",", $.identifier)),
|
||||
"in",
|
||||
$.expression,
|
||||
optional($.strip_marker),
|
||||
$.template_directive_end
|
||||
),
|
||||
|
||||
template_for_end: $ => seq(
|
||||
$.template_directive_start,
|
||||
optional($.strip_marker),
|
||||
"endfor",
|
||||
optional($.strip_marker),
|
||||
$.template_directive_end
|
||||
),
|
||||
|
||||
template_if: $ => seq(
|
||||
$.template_if_intro,
|
||||
optional($._template),
|
||||
optional(seq($.template_else_intro, optional($._template))),
|
||||
$.template_if_end,
|
||||
),
|
||||
|
||||
template_if_intro: $ => seq(
|
||||
$.template_directive_start,
|
||||
optional($.strip_marker),
|
||||
"if",
|
||||
$.expression,
|
||||
optional($.strip_marker),
|
||||
$.template_directive_end
|
||||
),
|
||||
|
||||
template_else_intro: $ => seq(
|
||||
$.template_directive_start,
|
||||
optional($.strip_marker),
|
||||
"else",
|
||||
optional($.strip_marker),
|
||||
$.template_directive_end
|
||||
),
|
||||
|
||||
template_if_end: $ => seq(
|
||||
$.template_directive_start,
|
||||
optional($.strip_marker),
|
||||
"endif",
|
||||
optional($.strip_marker),
|
||||
$.template_directive_end
|
||||
),
|
||||
|
||||
// http://stackoverflow.com/questions/13014947/regex-to-match-a-c-style-multiline-comment/36328890#36328890
|
||||
comment: $ => token(choice(
|
||||
seq('#', /.*/),
|
||||
seq('//', /.*/),
|
||||
seq(
|
||||
'/*',
|
||||
/[^*]*\*+([^/*][^*]*\*+)*/,
|
||||
'/'
|
||||
)
|
||||
)),
|
||||
|
||||
_whitespace: $ => token(/\s/),
|
||||
}
|
||||
});
|
||||
}
|
||||
Reference in New Issue
Block a user