fix: don't truncate lengths

This commit is contained in:
Amaan Qureshi
2023-11-07 04:49:06 -05:00
committed by Michael Hoffmann
parent b553906543
commit 573e5bd076
2 changed files with 64 additions and 102 deletions

View File

@@ -137,20 +137,20 @@ static unsigned serialize(Scanner *scanner, char *buf) {
return 0; return 0;
} }
buf[size++] = (char)scanner->context_stack.len; memcpy(&buf[size], &scanner->context_stack.len, sizeof(uint32_t));
size += sizeof(uint32_t);
for (int i = 0; i < scanner->context_stack.len; i++) { for (int i = 0; i < scanner->context_stack.len; i++) {
Context *context = &scanner->context_stack.data[i]; Context *context = &scanner->context_stack.data[i];
if (size + 2 + context->heredoc_identifier.len >= if (size + 2 + context->heredoc_identifier.len >= TREE_SITTER_SERIALIZATION_BUFFER_SIZE) {
TREE_SITTER_SERIALIZATION_BUFFER_SIZE) {
return 0; return 0;
} }
if (context->heredoc_identifier.len > CHAR_MAX) { if (context->heredoc_identifier.len > CHAR_MAX) {
return 0; return 0;
} }
buf[size++] = context->type; buf[size++] = context->type;
buf[size++] = (char)context->heredoc_identifier.len; memcpy(&buf[size], &context->heredoc_identifier.len, sizeof(uint32_t));
memcpy(&buf[size], context->heredoc_identifier.data, size += sizeof(uint32_t);
context->heredoc_identifier.len); memcpy(&buf[size], context->heredoc_identifier.data, context->heredoc_identifier.len);
size += context->heredoc_identifier.len; size += context->heredoc_identifier.len;
} }
return size; return size;
@@ -163,16 +163,19 @@ static void deserialize(Scanner *scanner, const char *buffer, unsigned length) {
VEC_CLEAR(scanner->context_stack); VEC_CLEAR(scanner->context_stack);
unsigned size = 0; unsigned size = 0;
uint8_t context_stack_size = buffer[size++]; uint32_t context_stack_size;
memcpy(&context_stack_size, &buffer[size], sizeof(uint32_t));
size += sizeof(uint32_t);
for (uint32_t j = 0; j < context_stack_size; j++) { for (uint32_t j = 0; j < context_stack_size; j++) {
Context ctx = { Context ctx = {
.type = (enum ContextType)buffer[size++], .type = (enum ContextType)buffer[size++],
.heredoc_identifier = string_new(), .heredoc_identifier = string_new(),
}; };
uint8_t heredoc_identifier_size = buffer[size++]; uint32_t heredoc_identifier_size;
memcpy(&heredoc_identifier_size, &buffer[size], sizeof(uint32_t));
size += sizeof(uint32_t);
STRING_GROW(ctx.heredoc_identifier, heredoc_identifier_size); STRING_GROW(ctx.heredoc_identifier, heredoc_identifier_size);
memcpy(ctx.heredoc_identifier.data, buffer + size, memcpy(ctx.heredoc_identifier.data, buffer + size, heredoc_identifier_size);
heredoc_identifier_size);
ctx.heredoc_identifier.len = heredoc_identifier_size; ctx.heredoc_identifier.len = heredoc_identifier_size;
size += heredoc_identifier_size; size += heredoc_identifier_size;
VEC_PUSH(scanner->context_stack, ctx); VEC_PUSH(scanner->context_stack, ctx);
@@ -219,13 +222,9 @@ static inline bool in_context_type(Scanner *scanner, enum ContextType type) {
return VEC_BACK(scanner->context_stack).type == type; return VEC_BACK(scanner->context_stack).type == type;
} }
static inline bool in_quoted_context(Scanner *scanner) { static inline bool in_quoted_context(Scanner *scanner) { return in_context_type(scanner, QUOTED_TEMPLATE); }
return in_context_type(scanner, QUOTED_TEMPLATE);
}
static inline bool in_heredoc_context(Scanner *scanner) { static inline bool in_heredoc_context(Scanner *scanner) { return in_context_type(scanner, HEREDOC_TEMPLATE); }
return in_context_type(scanner, HEREDOC_TEMPLATE);
}
static inline bool in_template_context(Scanner *scanner) { static inline bool in_template_context(Scanner *scanner) {
return in_quoted_context(scanner) || in_heredoc_context(scanner); return in_quoted_context(scanner) || in_heredoc_context(scanner);
@@ -235,9 +234,7 @@ static inline bool in_interpolation_context(Scanner *scanner) {
return in_context_type(scanner, TEMPLATE_INTERPOLATION); return in_context_type(scanner, TEMPLATE_INTERPOLATION);
} }
static inline bool in_directive_context(Scanner *scanner) { static inline bool in_directive_context(Scanner *scanner) { return in_context_type(scanner, TEMPLATE_DIRECTIVE); }
return in_context_type(scanner, TEMPLATE_DIRECTIVE);
}
static bool scan(Scanner *scanner, TSLexer *lexer, const bool *valid_symbols) { static bool scan(Scanner *scanner, TSLexer *lexer, const bool *valid_symbols) {
bool has_leading_whitespace_with_newline = false; bool has_leading_whitespace_with_newline = false;
@@ -251,21 +248,18 @@ static bool scan(Scanner *scanner, TSLexer *lexer, const bool *valid_symbols) {
return false; return false;
} }
// manage quoted context // manage quoted context
if (valid_symbols[QUOTED_TEMPLATE_START] && !in_quoted_context(scanner) && if (valid_symbols[QUOTED_TEMPLATE_START] && !in_quoted_context(scanner) && lexer->lookahead == '"') {
lexer->lookahead == '"') {
Context ctx = context_new(QUOTED_TEMPLATE, ""); Context ctx = context_new(QUOTED_TEMPLATE, "");
VEC_PUSH(scanner->context_stack, ctx); VEC_PUSH(scanner->context_stack, ctx);
return accept_and_advance(lexer, QUOTED_TEMPLATE_START); return accept_and_advance(lexer, QUOTED_TEMPLATE_START);
} }
if (valid_symbols[QUOTED_TEMPLATE_END] && in_quoted_context(scanner) && if (valid_symbols[QUOTED_TEMPLATE_END] && in_quoted_context(scanner) && lexer->lookahead == '"') {
lexer->lookahead == '"') {
VEC_POP(scanner->context_stack); VEC_POP(scanner->context_stack);
return accept_and_advance(lexer, QUOTED_TEMPLATE_END); return accept_and_advance(lexer, QUOTED_TEMPLATE_END);
} }
// manage template interpolations // manage template interpolations
if (valid_symbols[TEMPLATE_INTERPOLATION_START] && if (valid_symbols[TEMPLATE_INTERPOLATION_START] && valid_symbols[TEMPLATE_LITERAL_CHUNK] &&
valid_symbols[TEMPLATE_LITERAL_CHUNK] &&
!in_interpolation_context(scanner) && lexer->lookahead == '$') { !in_interpolation_context(scanner) && lexer->lookahead == '$') {
advance(lexer); advance(lexer);
if (lexer->lookahead == '{') { if (lexer->lookahead == '{') {
@@ -283,15 +277,13 @@ static bool scan(Scanner *scanner, TSLexer *lexer, const bool *valid_symbols) {
} }
return accept_inplace(lexer, TEMPLATE_LITERAL_CHUNK); return accept_inplace(lexer, TEMPLATE_LITERAL_CHUNK);
} }
if (valid_symbols[TEMPLATE_INTERPOLATION_END] && if (valid_symbols[TEMPLATE_INTERPOLATION_END] && in_interpolation_context(scanner) && lexer->lookahead == '}') {
in_interpolation_context(scanner) && lexer->lookahead == '}') {
VEC_POP(scanner->context_stack); VEC_POP(scanner->context_stack);
return accept_and_advance(lexer, TEMPLATE_INTERPOLATION_END); return accept_and_advance(lexer, TEMPLATE_INTERPOLATION_END);
} }
// manage template directives // manage template directives
if (valid_symbols[TEMPLATE_DIRECTIVE_START] && if (valid_symbols[TEMPLATE_DIRECTIVE_START] && valid_symbols[TEMPLATE_LITERAL_CHUNK] &&
valid_symbols[TEMPLATE_LITERAL_CHUNK] &&
!in_directive_context(scanner) && lexer->lookahead == '%') { !in_directive_context(scanner) && lexer->lookahead == '%') {
advance(lexer); advance(lexer);
if (lexer->lookahead == '{') { if (lexer->lookahead == '{') {
@@ -309,8 +301,7 @@ static bool scan(Scanner *scanner, TSLexer *lexer, const bool *valid_symbols) {
} }
return accept_inplace(lexer, TEMPLATE_LITERAL_CHUNK); return accept_inplace(lexer, TEMPLATE_LITERAL_CHUNK);
} }
if (valid_symbols[TEMPLATE_DIRECTIVE_END] && if (valid_symbols[TEMPLATE_DIRECTIVE_END] && in_directive_context(scanner) && lexer->lookahead == '}') {
in_directive_context(scanner) && lexer->lookahead == '}') {
VEC_POP(scanner->context_stack); VEC_POP(scanner->context_stack);
return accept_and_advance(lexer, TEMPLATE_DIRECTIVE_END); return accept_and_advance(lexer, TEMPLATE_DIRECTIVE_END);
} }
@@ -319,8 +310,7 @@ static bool scan(Scanner *scanner, TSLexer *lexer, const bool *valid_symbols) {
if (valid_symbols[HEREDOC_IDENTIFIER] && !in_heredoc_context(scanner)) { if (valid_symbols[HEREDOC_IDENTIFIER] && !in_heredoc_context(scanner)) {
String identifier = string_new(); String identifier = string_new();
// TODO: check that this is a valid identifier // TODO: check that this is a valid identifier
while (iswalnum(lexer->lookahead) || lexer->lookahead == '_' || while (iswalnum(lexer->lookahead) || lexer->lookahead == '_' || lexer->lookahead == '-') {
lexer->lookahead == '-') {
STRING_PUSH(identifier, lexer->lookahead); STRING_PUSH(identifier, lexer->lookahead);
advance(lexer); advance(lexer);
} }
@@ -328,10 +318,8 @@ static bool scan(Scanner *scanner, TSLexer *lexer, const bool *valid_symbols) {
VEC_PUSH(scanner->context_stack, ctx); VEC_PUSH(scanner->context_stack, ctx);
return accept_inplace(lexer, HEREDOC_IDENTIFIER); return accept_inplace(lexer, HEREDOC_IDENTIFIER);
} }
if (valid_symbols[HEREDOC_IDENTIFIER] && in_heredoc_context(scanner) && if (valid_symbols[HEREDOC_IDENTIFIER] && in_heredoc_context(scanner) && has_leading_whitespace_with_newline) {
has_leading_whitespace_with_newline) { String expected_identifier = VEC_BACK(scanner->context_stack).heredoc_identifier;
String expected_identifier =
VEC_BACK(scanner->context_stack).heredoc_identifier;
for (size_t i = 0; i < expected_identifier.len; i++) { for (size_t i = 0; i < expected_identifier.len; i++) {
if (lexer->lookahead == expected_identifier.data[i]) { if (lexer->lookahead == expected_identifier.data[i]) {
@@ -368,24 +356,21 @@ static bool scan(Scanner *scanner, TSLexer *lexer, const bool *valid_symbols) {
case 'r': case 'r':
case 't': case 't':
case '\\': case '\\':
return accept_and_advance(lexer, return accept_and_advance(lexer, TEMPLATE_LITERAL_CHUNK);
TEMPLATE_LITERAL_CHUNK);
case 'u': case 'u':
for (int i = 0; i < 4; i++) { for (int i = 0; i < 4; i++) {
if (!consume_wxdigit(lexer)) { if (!consume_wxdigit(lexer)) {
return false; return false;
} }
} }
return accept_and_advance(lexer, return accept_and_advance(lexer, TEMPLATE_LITERAL_CHUNK);
TEMPLATE_LITERAL_CHUNK);
case 'U': case 'U':
for (int i = 0; i < 8; i++) { for (int i = 0; i < 8; i++) {
if (!consume_wxdigit(lexer)) { if (!consume_wxdigit(lexer)) {
return false; return false;
} }
} }
return accept_and_advance(lexer, return accept_and_advance(lexer, TEMPLATE_LITERAL_CHUNK);
TEMPLATE_LITERAL_CHUNK);
default: default:
return false; return false;
} }
@@ -401,32 +386,28 @@ static bool scan(Scanner *scanner, TSLexer *lexer, const bool *valid_symbols) {
return false; return false;
} }
void *tree_sitter_terraform_external_scanner_create() { void *tree_sitter_hcl_external_scanner_create() {
Scanner *scanner = calloc(1, sizeof(Scanner)); Scanner *scanner = calloc(1, sizeof(Scanner));
scanner->context_stack.data = calloc(1, sizeof(Context)); scanner->context_stack.data = calloc(1, sizeof(Context));
return scanner; return scanner;
} }
unsigned tree_sitter_terraform_external_scanner_serialize(void *payload, unsigned tree_sitter_hcl_external_scanner_serialize(void *payload, char *buffer) {
char *buffer) {
Scanner *scanner = (Scanner *)payload; Scanner *scanner = (Scanner *)payload;
return serialize(scanner, buffer); return serialize(scanner, buffer);
} }
void tree_sitter_terraform_external_scanner_deserialize(void *payload, void tree_sitter_hcl_external_scanner_deserialize(void *payload, const char *buffer, unsigned length) {
const char *buffer,
unsigned length) {
Scanner *scanner = (Scanner *)payload; Scanner *scanner = (Scanner *)payload;
deserialize(scanner, buffer, length); deserialize(scanner, buffer, length);
} }
bool tree_sitter_terraform_external_scanner_scan(void *payload, TSLexer *lexer, bool tree_sitter_hcl_external_scanner_scan(void *payload, TSLexer *lexer, const bool *valid_symbols) {
const bool *valid_symbols) {
Scanner *scanner = (Scanner *)payload; Scanner *scanner = (Scanner *)payload;
return scan(scanner, lexer, valid_symbols); return scan(scanner, lexer, valid_symbols);
} }
void tree_sitter_terraform_external_scanner_destroy(void *payload) { void tree_sitter_hcl_external_scanner_destroy(void *payload) {
Scanner *scanner = (Scanner *)payload; Scanner *scanner = (Scanner *)payload;
for (int i = 0; i < scanner->context_stack.len; i++) { for (int i = 0; i < scanner->context_stack.len; i++) {
STRING_FREE(scanner->context_stack.data[i].heredoc_identifier); STRING_FREE(scanner->context_stack.data[i].heredoc_identifier);

View File

@@ -137,20 +137,20 @@ static unsigned serialize(Scanner *scanner, char *buf) {
return 0; return 0;
} }
buf[size++] = (char)scanner->context_stack.len; memcpy(&buf[size], &scanner->context_stack.len, sizeof(uint32_t));
size += sizeof(uint32_t);
for (int i = 0; i < scanner->context_stack.len; i++) { for (int i = 0; i < scanner->context_stack.len; i++) {
Context *context = &scanner->context_stack.data[i]; Context *context = &scanner->context_stack.data[i];
if (size + 2 + context->heredoc_identifier.len >= if (size + 2 + context->heredoc_identifier.len >= TREE_SITTER_SERIALIZATION_BUFFER_SIZE) {
TREE_SITTER_SERIALIZATION_BUFFER_SIZE) {
return 0; return 0;
} }
if (context->heredoc_identifier.len > CHAR_MAX) { if (context->heredoc_identifier.len > CHAR_MAX) {
return 0; return 0;
} }
buf[size++] = context->type; buf[size++] = context->type;
buf[size++] = (char)context->heredoc_identifier.len; memcpy(&buf[size], &context->heredoc_identifier.len, sizeof(uint32_t));
memcpy(&buf[size], context->heredoc_identifier.data, size += sizeof(uint32_t);
context->heredoc_identifier.len); memcpy(&buf[size], context->heredoc_identifier.data, context->heredoc_identifier.len);
size += context->heredoc_identifier.len; size += context->heredoc_identifier.len;
} }
return size; return size;
@@ -163,16 +163,19 @@ static void deserialize(Scanner *scanner, const char *buffer, unsigned length) {
VEC_CLEAR(scanner->context_stack); VEC_CLEAR(scanner->context_stack);
unsigned size = 0; unsigned size = 0;
uint8_t context_stack_size = buffer[size++]; uint32_t context_stack_size;
memcpy(&context_stack_size, &buffer[size], sizeof(uint32_t));
size += sizeof(uint32_t);
for (uint32_t j = 0; j < context_stack_size; j++) { for (uint32_t j = 0; j < context_stack_size; j++) {
Context ctx = { Context ctx = {
.type = (enum ContextType)buffer[size++], .type = (enum ContextType)buffer[size++],
.heredoc_identifier = string_new(), .heredoc_identifier = string_new(),
}; };
uint8_t heredoc_identifier_size = buffer[size++]; uint32_t heredoc_identifier_size;
memcpy(&heredoc_identifier_size, &buffer[size], sizeof(uint32_t));
size += sizeof(uint32_t);
STRING_GROW(ctx.heredoc_identifier, heredoc_identifier_size); STRING_GROW(ctx.heredoc_identifier, heredoc_identifier_size);
memcpy(ctx.heredoc_identifier.data, buffer + size, memcpy(ctx.heredoc_identifier.data, buffer + size, heredoc_identifier_size);
heredoc_identifier_size);
ctx.heredoc_identifier.len = heredoc_identifier_size; ctx.heredoc_identifier.len = heredoc_identifier_size;
size += heredoc_identifier_size; size += heredoc_identifier_size;
VEC_PUSH(scanner->context_stack, ctx); VEC_PUSH(scanner->context_stack, ctx);
@@ -219,13 +222,9 @@ static inline bool in_context_type(Scanner *scanner, enum ContextType type) {
return VEC_BACK(scanner->context_stack).type == type; return VEC_BACK(scanner->context_stack).type == type;
} }
static inline bool in_quoted_context(Scanner *scanner) { static inline bool in_quoted_context(Scanner *scanner) { return in_context_type(scanner, QUOTED_TEMPLATE); }
return in_context_type(scanner, QUOTED_TEMPLATE);
}
static inline bool in_heredoc_context(Scanner *scanner) { static inline bool in_heredoc_context(Scanner *scanner) { return in_context_type(scanner, HEREDOC_TEMPLATE); }
return in_context_type(scanner, HEREDOC_TEMPLATE);
}
static inline bool in_template_context(Scanner *scanner) { static inline bool in_template_context(Scanner *scanner) {
return in_quoted_context(scanner) || in_heredoc_context(scanner); return in_quoted_context(scanner) || in_heredoc_context(scanner);
@@ -235,9 +234,7 @@ static inline bool in_interpolation_context(Scanner *scanner) {
return in_context_type(scanner, TEMPLATE_INTERPOLATION); return in_context_type(scanner, TEMPLATE_INTERPOLATION);
} }
static inline bool in_directive_context(Scanner *scanner) { static inline bool in_directive_context(Scanner *scanner) { return in_context_type(scanner, TEMPLATE_DIRECTIVE); }
return in_context_type(scanner, TEMPLATE_DIRECTIVE);
}
static bool scan(Scanner *scanner, TSLexer *lexer, const bool *valid_symbols) { static bool scan(Scanner *scanner, TSLexer *lexer, const bool *valid_symbols) {
bool has_leading_whitespace_with_newline = false; bool has_leading_whitespace_with_newline = false;
@@ -251,21 +248,18 @@ static bool scan(Scanner *scanner, TSLexer *lexer, const bool *valid_symbols) {
return false; return false;
} }
// manage quoted context // manage quoted context
if (valid_symbols[QUOTED_TEMPLATE_START] && !in_quoted_context(scanner) && if (valid_symbols[QUOTED_TEMPLATE_START] && !in_quoted_context(scanner) && lexer->lookahead == '"') {
lexer->lookahead == '"') {
Context ctx = context_new(QUOTED_TEMPLATE, ""); Context ctx = context_new(QUOTED_TEMPLATE, "");
VEC_PUSH(scanner->context_stack, ctx); VEC_PUSH(scanner->context_stack, ctx);
return accept_and_advance(lexer, QUOTED_TEMPLATE_START); return accept_and_advance(lexer, QUOTED_TEMPLATE_START);
} }
if (valid_symbols[QUOTED_TEMPLATE_END] && in_quoted_context(scanner) && if (valid_symbols[QUOTED_TEMPLATE_END] && in_quoted_context(scanner) && lexer->lookahead == '"') {
lexer->lookahead == '"') {
VEC_POP(scanner->context_stack); VEC_POP(scanner->context_stack);
return accept_and_advance(lexer, QUOTED_TEMPLATE_END); return accept_and_advance(lexer, QUOTED_TEMPLATE_END);
} }
// manage template interpolations // manage template interpolations
if (valid_symbols[TEMPLATE_INTERPOLATION_START] && if (valid_symbols[TEMPLATE_INTERPOLATION_START] && valid_symbols[TEMPLATE_LITERAL_CHUNK] &&
valid_symbols[TEMPLATE_LITERAL_CHUNK] &&
!in_interpolation_context(scanner) && lexer->lookahead == '$') { !in_interpolation_context(scanner) && lexer->lookahead == '$') {
advance(lexer); advance(lexer);
if (lexer->lookahead == '{') { if (lexer->lookahead == '{') {
@@ -283,15 +277,13 @@ static bool scan(Scanner *scanner, TSLexer *lexer, const bool *valid_symbols) {
} }
return accept_inplace(lexer, TEMPLATE_LITERAL_CHUNK); return accept_inplace(lexer, TEMPLATE_LITERAL_CHUNK);
} }
if (valid_symbols[TEMPLATE_INTERPOLATION_END] && if (valid_symbols[TEMPLATE_INTERPOLATION_END] && in_interpolation_context(scanner) && lexer->lookahead == '}') {
in_interpolation_context(scanner) && lexer->lookahead == '}') {
VEC_POP(scanner->context_stack); VEC_POP(scanner->context_stack);
return accept_and_advance(lexer, TEMPLATE_INTERPOLATION_END); return accept_and_advance(lexer, TEMPLATE_INTERPOLATION_END);
} }
// manage template directives // manage template directives
if (valid_symbols[TEMPLATE_DIRECTIVE_START] && if (valid_symbols[TEMPLATE_DIRECTIVE_START] && valid_symbols[TEMPLATE_LITERAL_CHUNK] &&
valid_symbols[TEMPLATE_LITERAL_CHUNK] &&
!in_directive_context(scanner) && lexer->lookahead == '%') { !in_directive_context(scanner) && lexer->lookahead == '%') {
advance(lexer); advance(lexer);
if (lexer->lookahead == '{') { if (lexer->lookahead == '{') {
@@ -309,8 +301,7 @@ static bool scan(Scanner *scanner, TSLexer *lexer, const bool *valid_symbols) {
} }
return accept_inplace(lexer, TEMPLATE_LITERAL_CHUNK); return accept_inplace(lexer, TEMPLATE_LITERAL_CHUNK);
} }
if (valid_symbols[TEMPLATE_DIRECTIVE_END] && if (valid_symbols[TEMPLATE_DIRECTIVE_END] && in_directive_context(scanner) && lexer->lookahead == '}') {
in_directive_context(scanner) && lexer->lookahead == '}') {
VEC_POP(scanner->context_stack); VEC_POP(scanner->context_stack);
return accept_and_advance(lexer, TEMPLATE_DIRECTIVE_END); return accept_and_advance(lexer, TEMPLATE_DIRECTIVE_END);
} }
@@ -319,8 +310,7 @@ static bool scan(Scanner *scanner, TSLexer *lexer, const bool *valid_symbols) {
if (valid_symbols[HEREDOC_IDENTIFIER] && !in_heredoc_context(scanner)) { if (valid_symbols[HEREDOC_IDENTIFIER] && !in_heredoc_context(scanner)) {
String identifier = string_new(); String identifier = string_new();
// TODO: check that this is a valid identifier // TODO: check that this is a valid identifier
while (iswalnum(lexer->lookahead) || lexer->lookahead == '_' || while (iswalnum(lexer->lookahead) || lexer->lookahead == '_' || lexer->lookahead == '-') {
lexer->lookahead == '-') {
STRING_PUSH(identifier, lexer->lookahead); STRING_PUSH(identifier, lexer->lookahead);
advance(lexer); advance(lexer);
} }
@@ -328,10 +318,8 @@ static bool scan(Scanner *scanner, TSLexer *lexer, const bool *valid_symbols) {
VEC_PUSH(scanner->context_stack, ctx); VEC_PUSH(scanner->context_stack, ctx);
return accept_inplace(lexer, HEREDOC_IDENTIFIER); return accept_inplace(lexer, HEREDOC_IDENTIFIER);
} }
if (valid_symbols[HEREDOC_IDENTIFIER] && in_heredoc_context(scanner) && if (valid_symbols[HEREDOC_IDENTIFIER] && in_heredoc_context(scanner) && has_leading_whitespace_with_newline) {
has_leading_whitespace_with_newline) { String expected_identifier = VEC_BACK(scanner->context_stack).heredoc_identifier;
String expected_identifier =
VEC_BACK(scanner->context_stack).heredoc_identifier;
for (size_t i = 0; i < expected_identifier.len; i++) { for (size_t i = 0; i < expected_identifier.len; i++) {
if (lexer->lookahead == expected_identifier.data[i]) { if (lexer->lookahead == expected_identifier.data[i]) {
@@ -368,24 +356,21 @@ static bool scan(Scanner *scanner, TSLexer *lexer, const bool *valid_symbols) {
case 'r': case 'r':
case 't': case 't':
case '\\': case '\\':
return accept_and_advance(lexer, return accept_and_advance(lexer, TEMPLATE_LITERAL_CHUNK);
TEMPLATE_LITERAL_CHUNK);
case 'u': case 'u':
for (int i = 0; i < 4; i++) { for (int i = 0; i < 4; i++) {
if (!consume_wxdigit(lexer)) { if (!consume_wxdigit(lexer)) {
return false; return false;
} }
} }
return accept_and_advance(lexer, return accept_and_advance(lexer, TEMPLATE_LITERAL_CHUNK);
TEMPLATE_LITERAL_CHUNK);
case 'U': case 'U':
for (int i = 0; i < 8; i++) { for (int i = 0; i < 8; i++) {
if (!consume_wxdigit(lexer)) { if (!consume_wxdigit(lexer)) {
return false; return false;
} }
} }
return accept_and_advance(lexer, return accept_and_advance(lexer, TEMPLATE_LITERAL_CHUNK);
TEMPLATE_LITERAL_CHUNK);
default: default:
return false; return false;
} }
@@ -407,21 +392,17 @@ void *tree_sitter_hcl_external_scanner_create() {
return scanner; return scanner;
} }
unsigned tree_sitter_hcl_external_scanner_serialize(void *payload, unsigned tree_sitter_hcl_external_scanner_serialize(void *payload, char *buffer) {
char *buffer) {
Scanner *scanner = (Scanner *)payload; Scanner *scanner = (Scanner *)payload;
return serialize(scanner, buffer); return serialize(scanner, buffer);
} }
void tree_sitter_hcl_external_scanner_deserialize(void *payload, void tree_sitter_hcl_external_scanner_deserialize(void *payload, const char *buffer, unsigned length) {
const char *buffer,
unsigned length) {
Scanner *scanner = (Scanner *)payload; Scanner *scanner = (Scanner *)payload;
deserialize(scanner, buffer, length); deserialize(scanner, buffer, length);
} }
bool tree_sitter_hcl_external_scanner_scan(void *payload, TSLexer *lexer, bool tree_sitter_hcl_external_scanner_scan(void *payload, TSLexer *lexer, const bool *valid_symbols) {
const bool *valid_symbols) {
Scanner *scanner = (Scanner *)payload; Scanner *scanner = (Scanner *)payload;
return scan(scanner, lexer, valid_symbols); return scan(scanner, lexer, valid_symbols);
} }