wip: add dialects
This commit is contained in:
Michael Hoffmann
@@ -1,5 +1,10 @@
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# Changelog
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## 1.1.0 - not yet released
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feature
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* add dialects so we can have different queries in `nvim-treesitter`
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## 1.0.0 - 2022-12-02
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breaking:
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3
dialects/terraform/grammar.js
Normal file
3
dialects/terraform/grammar.js
Normal file
@@ -0,0 +1,3 @@
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const make_grammar = require('../../make_grammar');
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module.exports = make_grammar('terraform');
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1787
dialects/terraform/src/grammar.json
Normal file
1787
dialects/terraform/src/grammar.json
Normal file
File diff suppressed because it is too large
Load Diff
1287
dialects/terraform/src/node-types.json
Normal file
1287
dialects/terraform/src/node-types.json
Normal file
File diff suppressed because it is too large
Load Diff
33127
dialects/terraform/src/parser.c
Normal file
33127
dialects/terraform/src/parser.c
Normal file
File diff suppressed because it is too large
Load Diff
26
dialects/terraform/src/scanner.cc
Normal file
26
dialects/terraform/src/scanner.cc
Normal file
@@ -0,0 +1,26 @@
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#include "../../../src/scanner.cc"
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extern "C" {
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// tree sitter callbacks
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void* tree_sitter_terraform_external_scanner_create() {
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return tree_sitter_hcl_external_scanner_create();
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}
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void tree_sitter_terraform_external_scanner_destroy(void* p) {
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return tree_sitter_hcl_external_scanner_destroy(p);
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}
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unsigned tree_sitter_terraform_external_scanner_serialize(void* p, char* b) {
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return tree_sitter_hcl_external_scanner_serialize(p, b);
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}
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void tree_sitter_terraform_external_scanner_deserialize(void* p, const char* b, unsigned n) {
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return tree_sitter_hcl_external_scanner_deserialize(p, b, n);
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}
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bool tree_sitter_terraform_external_scanner_scan(void* p, TSLexer* lexer, const bool* valid_symbols) {
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return tree_sitter_hcl_external_scanner_scan(p, lexer, valid_symbols);
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}
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} // extern "C"
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224
dialects/terraform/src/tree_sitter/parser.h
Normal file
224
dialects/terraform/src/tree_sitter/parser.h
Normal file
@@ -0,0 +1,224 @@
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#ifndef TREE_SITTER_PARSER_H_
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#define TREE_SITTER_PARSER_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdlib.h>
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#define ts_builtin_sym_error ((TSSymbol)-1)
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#define ts_builtin_sym_end 0
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#define TREE_SITTER_SERIALIZATION_BUFFER_SIZE 1024
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typedef uint16_t TSStateId;
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#ifndef TREE_SITTER_API_H_
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typedef uint16_t TSSymbol;
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typedef uint16_t TSFieldId;
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typedef struct TSLanguage TSLanguage;
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#endif
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typedef struct {
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TSFieldId field_id;
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uint8_t child_index;
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bool inherited;
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} TSFieldMapEntry;
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typedef struct {
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uint16_t index;
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uint16_t length;
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} TSFieldMapSlice;
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typedef struct {
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bool visible;
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bool named;
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bool supertype;
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} TSSymbolMetadata;
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typedef struct TSLexer TSLexer;
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struct TSLexer {
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int32_t lookahead;
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TSSymbol result_symbol;
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void (*advance)(TSLexer *, bool);
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void (*mark_end)(TSLexer *);
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uint32_t (*get_column)(TSLexer *);
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bool (*is_at_included_range_start)(const TSLexer *);
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bool (*eof)(const TSLexer *);
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};
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typedef enum {
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TSParseActionTypeShift,
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TSParseActionTypeReduce,
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TSParseActionTypeAccept,
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TSParseActionTypeRecover,
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} TSParseActionType;
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typedef union {
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struct {
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uint8_t type;
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TSStateId state;
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bool extra;
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bool repetition;
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} shift;
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struct {
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uint8_t type;
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uint8_t child_count;
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TSSymbol symbol;
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int16_t dynamic_precedence;
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uint16_t production_id;
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} reduce;
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uint8_t type;
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} TSParseAction;
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typedef struct {
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uint16_t lex_state;
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uint16_t external_lex_state;
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} TSLexMode;
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typedef union {
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TSParseAction action;
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struct {
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uint8_t count;
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bool reusable;
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} entry;
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} TSParseActionEntry;
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struct TSLanguage {
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uint32_t version;
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uint32_t symbol_count;
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uint32_t alias_count;
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uint32_t token_count;
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uint32_t external_token_count;
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uint32_t state_count;
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uint32_t large_state_count;
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uint32_t production_id_count;
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uint32_t field_count;
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uint16_t max_alias_sequence_length;
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const uint16_t *parse_table;
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const uint16_t *small_parse_table;
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const uint32_t *small_parse_table_map;
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const TSParseActionEntry *parse_actions;
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const char * const *symbol_names;
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const char * const *field_names;
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const TSFieldMapSlice *field_map_slices;
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const TSFieldMapEntry *field_map_entries;
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const TSSymbolMetadata *symbol_metadata;
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const TSSymbol *public_symbol_map;
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const uint16_t *alias_map;
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const TSSymbol *alias_sequences;
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const TSLexMode *lex_modes;
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bool (*lex_fn)(TSLexer *, TSStateId);
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bool (*keyword_lex_fn)(TSLexer *, TSStateId);
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TSSymbol keyword_capture_token;
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struct {
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const bool *states;
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const TSSymbol *symbol_map;
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void *(*create)(void);
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void (*destroy)(void *);
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bool (*scan)(void *, TSLexer *, const bool *symbol_whitelist);
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unsigned (*serialize)(void *, char *);
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void (*deserialize)(void *, const char *, unsigned);
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} external_scanner;
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const TSStateId *primary_state_ids;
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};
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/*
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* Lexer Macros
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*/
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#define START_LEXER() \
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bool result = false; \
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bool skip = false; \
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bool eof = false; \
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int32_t lookahead; \
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goto start; \
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next_state: \
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lexer->advance(lexer, skip); \
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start: \
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skip = false; \
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lookahead = lexer->lookahead;
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#define ADVANCE(state_value) \
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{ \
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state = state_value; \
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goto next_state; \
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}
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#define SKIP(state_value) \
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{ \
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skip = true; \
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state = state_value; \
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goto next_state; \
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}
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#define ACCEPT_TOKEN(symbol_value) \
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result = true; \
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lexer->result_symbol = symbol_value; \
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lexer->mark_end(lexer);
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#define END_STATE() return result;
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/*
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* Parse Table Macros
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*/
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#define SMALL_STATE(id) id - LARGE_STATE_COUNT
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#define STATE(id) id
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#define ACTIONS(id) id
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#define SHIFT(state_value) \
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{{ \
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.shift = { \
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.type = TSParseActionTypeShift, \
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.state = state_value \
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} \
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}}
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#define SHIFT_REPEAT(state_value) \
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{{ \
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.shift = { \
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.type = TSParseActionTypeShift, \
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.state = state_value, \
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.repetition = true \
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} \
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}}
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#define SHIFT_EXTRA() \
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{{ \
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.shift = { \
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.type = TSParseActionTypeShift, \
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.extra = true \
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} \
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}}
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#define REDUCE(symbol_val, child_count_val, ...) \
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{{ \
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.reduce = { \
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.type = TSParseActionTypeReduce, \
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.symbol = symbol_val, \
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.child_count = child_count_val, \
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__VA_ARGS__ \
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}, \
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}}
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#define RECOVER() \
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{{ \
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.type = TSParseActionTypeRecover \
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}}
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#define ACCEPT_INPUT() \
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{{ \
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.type = TSParseActionTypeAccept \
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}}
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#ifdef __cplusplus
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}
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#endif
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#endif // TREE_SITTER_PARSER_H_
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381
grammar.js
381
grammar.js
@@ -1,380 +1,3 @@
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const
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PREC = {
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unary: 7,
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binary_mult: 6,
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binary_add: 5,
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binary_ord: 4,
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binary_comp: 3,
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binary_and: 2,
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binary_or: 1,
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const make_grammar = require('./make_grammar');
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// if possible prefer string_literals to quoted templates
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string_lit: 2,
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quoted_template: 1,
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}
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module.exports = grammar({
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name: 'hcl',
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externals: $ => [
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$.quoted_template_start,
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$.quoted_template_end,
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$._template_literal_chunk,
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$.template_interpolation_start,
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$.template_interpolation_end,
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$.template_directive_start,
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$.template_directive_end,
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$.heredoc_identifier,
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],
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extras: $ => [
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$.comment,
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$._whitespace,
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],
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rules: {
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// also allow objects to handle .tfvars in json format
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config_file: $ => optional(choice($.body, $.object)),
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body: $ => repeat1(
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choice(
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$.attribute,
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$.block,
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),
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),
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attribute: $ => seq(
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$.identifier,
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'=',
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$.expression,
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),
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block: $ => seq(
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$.identifier,
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repeat(choice($.string_lit, $.identifier)),
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$.block_start,
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optional($.body),
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$.block_end,
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),
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block_start: $ => '{',
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block_end: $ => '}',
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identifier: $ => token(seq(
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choice(/\p{ID_Start}/, '_'),
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repeat(choice(/\p{ID_Continue}/, '-')),
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)),
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expression: $ => prec.right(choice(
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$._expr_term,
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$.conditional,
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)),
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// operations are documented as expressions, but our real world samples
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// contain instances of operations without parentheses. think for example:
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// x = a == "" && b != ""
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_expr_term: $ => choice(
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$.literal_value,
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$.template_expr,
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$.collection_value,
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$.variable_expr,
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$.function_call,
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$.for_expr,
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$.operation,
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seq($._expr_term, $.index),
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seq($._expr_term, $.get_attr),
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seq($._expr_term, $.splat),
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seq('(', $.expression, ')'),
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),
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literal_value: $ => choice(
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$.numeric_lit,
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$.bool_lit,
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$.null_lit,
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$.string_lit,
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),
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numeric_lit: $ => choice(
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/[0-9]+(\.[0-9]+([eE][-+]?[0-9]+)?)?/,
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/0x[0-9a-zA-Z]+/
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),
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bool_lit: $ => choice('true', 'false'),
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null_lit: $ => 'null',
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string_lit: $ => prec(PREC.string_lit, seq(
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$.quoted_template_start,
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optional($.template_literal),
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$.quoted_template_end,
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)),
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collection_value: $ => choice(
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$.tuple,
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$.object,
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),
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_comma: $ => ',',
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tuple: $ => seq(
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$.tuple_start,
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optional($._tuple_elems),
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$.tuple_end,
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),
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tuple_start: $ => '[',
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tuple_end: $ => ']',
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|
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_tuple_elems: $ => seq(
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$.expression,
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repeat(seq(
|
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$._comma,
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$.expression,
|
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)),
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optional($._comma),
|
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),
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|
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object: $ => seq(
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$.object_start,
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optional($._object_elems),
|
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$.object_end,
|
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),
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|
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object_start: $ => '{',
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object_end: $ => '}',
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|
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_object_elems: $ => seq(
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$.object_elem,
|
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repeat(seq(
|
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optional($._comma),
|
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$.object_elem
|
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)),
|
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optional($._comma),
|
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),
|
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|
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object_elem: $ => seq(
|
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field("key", $.expression),
|
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choice('=', ':'),
|
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field("val", $.expression),
|
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),
|
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|
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index: $ => choice($.new_index, $.legacy_index),
|
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|
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new_index: $ => seq('[', $.expression, ']'),
|
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legacy_index: $ => seq('.', /[0-9]+/),
|
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|
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get_attr: $ => seq('.', $.identifier),
|
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|
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splat: $ => choice($.attr_splat, $.full_splat),
|
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|
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attr_splat: $ => prec.right(seq(
|
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'.*',
|
||||
repeat(choice($.get_attr, $.index)),
|
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)),
|
||||
|
||||
full_splat: $ => prec.right(seq(
|
||||
'[*]',
|
||||
repeat(choice($.get_attr, $.index)),
|
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)),
|
||||
|
||||
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
make_grammar.js
Normal file
381
make_grammar.js
Normal file
@@ -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