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Merge pull request #29 from tgross35/fix-broken-tests
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@tgross35
tgross35 authored Jan 3, 2024
2 parents 54ce52b + 88404a4 commit 31574e9
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Showing 3 changed files with 99 additions and 92 deletions.
2 changes: 1 addition & 1 deletion .github/workflows/ci.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -27,4 +27,4 @@ jobs:
node-version: 18
- run: npm install
- run: npm test
- run: tree-sitter parse test/*.just
# FIXME: also parse tests/*.just
27 changes: 17 additions & 10 deletions src/scanner.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@
enum TokenType { INDENT, DEDENT, NEWLINE, LINE };

struct Scanner {
uint32_t prev_indent = 0;
uint32_t prev_indent;
// bool eol;
};

Expand Down Expand Up @@ -44,7 +44,7 @@ unsigned tree_sitter_just_external_scanner_serialize(void *payload,
// *buffer++ = state->eol;

// Convert curr_indent and prev_indent to string and push to buffer
auto curr = std::to_string(state->prev_indent);
std::string curr = std::to_string(state->prev_indent);
memcpy(buffer, curr.c_str(), curr.size());
buffer += curr.size();

Expand All @@ -61,7 +61,7 @@ void tree_sitter_just_external_scanner_deserialize(void *payload,
const char *end = buffer + length;

if (length == 0) {
*state = {};
state->prev_indent = 0;
return;
}

Expand All @@ -72,6 +72,16 @@ void tree_sitter_just_external_scanner_deserialize(void *payload,
state->prev_indent = std::stoi(std::string(buffer, end));
}

// Continue and include the preceding character in the token
void advance(TSLexer *lexer) {
return lexer->advance(lexer, false);
}

// Continue and discard the preceding character
void skip(TSLexer *lexer) {
return lexer->advance(lexer, true);
}

// This function is responsible for recognizing external tokens. It should
// return true if a token was recognized, and false otherwise.
bool tree_sitter_just_external_scanner_scan(void *payload, TSLexer *lexer,
Expand All @@ -85,10 +95,7 @@ bool tree_sitter_just_external_scanner_scan(void *payload, TSLexer *lexer,
Scanner *state = static_cast<Scanner *>(payload);
int32_t &lookahead = lexer->lookahead;
TSSymbol &result_symbol = lexer->result_symbol;
auto advance = [lexer] { lexer->advance(lexer, false); };
auto skip = [lexer] { lexer->advance(lexer, true); };
void (*mark_end)(TSLexer *) = lexer->mark_end;
auto get_column = [lexer] { return lexer->get_column(lexer); };
bool (*is_at_included_range_start)(const TSLexer *) =
lexer->is_at_included_range_start;

Expand All @@ -97,13 +104,13 @@ bool tree_sitter_just_external_scanner_scan(void *payload, TSLexer *lexer,
bool escape = false;
if (lookahead == '\\') {
escape = true;
skip();
skip(lexer);
}

bool eol = false;
while (lookahead == '\n' || lookahead == '\r') {
eol = true;
skip();
skip(lexer);
}
if (eol && !escape) {
result_symbol = NEWLINE;
Expand All @@ -120,12 +127,12 @@ bool tree_sitter_just_external_scanner_scan(void *payload, TSLexer *lexer,

case '\t':
case ' ':
skip();
skip(lexer);
break;
}
}

auto indent = get_column();
uint32_t indent = lexer->get_column(lexer);
if (indent > state->prev_indent && valid_symbols[INDENT] &&
state->prev_indent == 0) {
result_symbol = INDENT;
Expand Down
162 changes: 81 additions & 81 deletions test/corpus/statements.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@ foo := "abc"
(STRING))))
(eol
(NEWLINE)))))

================================================================================
expression
================================================================================
Expand All @@ -46,9 +46,8 @@ foo := "abc" + 'def'
(eol
(NEWLINE)))))


================================================================================
paths FIXME(paths) XFAIL from path operator
paths
================================================================================

relative := "abc" / 'def'
Expand All @@ -67,39 +66,40 @@ combined := "foo" / bar() / baz
(expression
(value
(string
(STRING))))
(ERROR
(INDENT)
(UNEXPECTED ')
(RAW_STRING))
(STRING)))
(expression
(value
(string
(RAW_STRING)))))
(eol
(NEWLINE))))
(item
(assignment
(NAME)
(ERROR
(UNEXPECTED '))
(expression
(value
(NAME)))
(ERROR)
(cmd
(MISSING BACKTICK)))
(expression
(value
(string
(STRING)))))
(eol
(NEWLINE))))
(item
(assignment
(NAME)
(ERROR
(expression
(value
(string
(STRING)))
(UNEXPECTED ')
(value
(call
(NAME)))
(UNEXPECTED '))
(expression
(value
(NAME)))
(expression
(value
(call
(NAME)))
(expression
(value
(NAME)))))
(eol
(NEWLINE)))))

Expand All @@ -122,67 +122,67 @@ corge := "foo\"bar"
--------------------------------------------------------------------------------

(source_file
(item
(item
(eol
(NEWLINE)))
(item
(assignment
(NAME)
(expression
(value
(string
(STRING))))
(eol
(NEWLINE)))
(item
(assignment
(NAME)
(expression
(value
(string
(STRING))))
(eol
(NEWLINE))))
(item
(assignment
(NAME)
(expression
(value
(string
(RAW_STRING))))
(eol
(NEWLINE))))
(item
(assignment
(NAME)
(expression
(value
(string
(STRING))))
(eol
(NEWLINE))))
(item
(assignment
(NAME)
(expression
(value
(string
(INDENTED_STRING))))
(eol
(NEWLINE))))
(item
(assignment
(NAME)
(expression
(value
(string
(INDENTED_RAW_STRING))))
(eol
(NEWLINE))))
(item
(assignment
(NAME)
(ERROR
(value
(string
(STRING))))
(expression
(value
(NAME)))
(ERROR)
(eol
(NEWLINE)))))
(NEWLINE))))
(item
(assignment
(NAME)
(expression
(value
(string
(RAW_STRING))))
(eol
(NEWLINE))))
(item
(assignment
(NAME)
(expression
(value
(string
(STRING))))
(eol
(NEWLINE))))
(item
(assignment
(NAME)
(expression
(value
(string
(INDENTED_STRING))))
(eol
(NEWLINE))))
(item
(assignment
(NAME)
(expression
(value
(string
(INDENTED_RAW_STRING))))
(eol
(NEWLINE))))
(item
(assignment
(NAME)
(ERROR
(value
(string
(STRING))))
(expression
(value
(NAME)))
(ERROR)
(eol
(NEWLINE)))))

================================================================================
if
Expand Down

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