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[ruby/prism] CLI -x flag

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2068e3c30a
This commit is contained in:
Kevin Newton 2024-03-28 09:51:16 -04:00
parent 97b2cc3435
commit fcc06fa82a
12 changed files with 375 additions and 304 deletions
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3
lib/prism/ffi.rb
View file

@ -382,9 +382,6 @@ module Prism
template << "l"
values << options.fetch(:line, 1)
template << "L"
values << options.fetch(:offset, 0)
template << "L"
if (encoding = options[:encoding])
name = encoding.name

2
prism/config.yml
View file

@ -206,6 +206,7 @@ errors:
- RESCUE_TERM
- RESCUE_VARIABLE
- RETURN_INVALID
- SCRIPT_NOT_FOUND
- SINGLETON_FOR_LITERALS
- STATEMENT_ALIAS
- STATEMENT_POSTEXE_END
@ -255,6 +256,7 @@ warnings:
- KEYWORD_EOL
- LITERAL_IN_CONDITION_DEFAULT
- LITERAL_IN_CONDITION_VERBOSE
- SHEBANG_CARRIAGE_RETURN
- UNEXPECTED_CARRIAGE_RETURN
tokens:
- name: EOF

8
prism/extension.c
View file

@ -28,7 +28,6 @@ ID rb_option_id_encoding;
ID rb_option_id_filepath;
ID rb_option_id_frozen_string_literal;
ID rb_option_id_line;
ID rb_option_id_offset;
ID rb_option_id_scopes;
ID rb_option_id_version;
@ -139,8 +138,6 @@ build_options_i(VALUE key, VALUE value, VALUE argument) {
if (!NIL_P(value)) pm_options_encoding_set(options, rb_enc_name(rb_to_encoding(value)));
} else if (key_id == rb_option_id_line) {
if (!NIL_P(value)) pm_options_line_set(options, NUM2INT(value));
} else if (key_id == rb_option_id_offset) {
if (!NIL_P(value)) pm_options_offset_set(options, NUM2UINT(value));
} else if (key_id == rb_option_id_frozen_string_literal) {
if (!NIL_P(value)) pm_options_frozen_string_literal_set(options, RTEST(value));
} else if (key_id == rb_option_id_version) {
@ -448,8 +445,8 @@ parser_errors(pm_parser_t *parser, rb_encoding *encoding, VALUE source) {
VALUE level = Qnil;
switch (error->level) {
case PM_ERROR_LEVEL_FATAL:
level = ID2SYM(rb_intern("fatal"));
case PM_ERROR_LEVEL_SYNTAX:
level = ID2SYM(rb_intern("syntax"));
break;
case PM_ERROR_LEVEL_ARGUMENT:
level = ID2SYM(rb_intern("argument"));
@ -1347,7 +1344,6 @@ Init_prism(void) {
rb_option_id_filepath = rb_intern_const("filepath");
rb_option_id_frozen_string_literal = rb_intern_const("frozen_string_literal");
rb_option_id_line = rb_intern_const("line");
rb_option_id_offset = rb_intern_const("offset");
rb_option_id_scopes = rb_intern_const("scopes");
rb_option_id_version = rb_intern_const("version");

11
prism/options.c
View file

@ -24,14 +24,6 @@ pm_options_line_set(pm_options_t *options, int32_t line) {
options->line = line;
}
/**
* Set the offset option on the given options struct.
*/
PRISM_EXPORTED_FUNCTION void
pm_options_offset_set(pm_options_t *options, uint32_t offset) {
options->offset = offset;
}
/**
* Set the frozen string literal option on the given options struct.
*/
@ -201,9 +193,6 @@ pm_options_read(pm_options_t *options, const char *data) {
options->line = pm_options_read_s32(data);
data += 4;
options->offset = pm_options_read_u32(data);
data += 4;
uint32_t encoding_length = pm_options_read_u32(data);
data += 4;

15
prism/options.h
View file

@ -66,12 +66,6 @@ typedef struct {
*/
int32_t line;
/**
* The offset within the file that the parse starts on. This value is
* 0-indexed.
*/
uint32_t offset;
/**
* The name of the encoding that the source file is in. Note that this must
* correspond to a name that can be found with Encoding.find in Ruby.
@ -164,14 +158,6 @@ PRISM_EXPORTED_FUNCTION void pm_options_filepath_set(pm_options_t *options, cons
*/
PRISM_EXPORTED_FUNCTION void pm_options_line_set(pm_options_t *options, int32_t line);
/**
* Set the offset option on the given options struct.
*
* @param options The options struct to set the offset on.
* @param offset The offset to set.
*/
PRISM_EXPORTED_FUNCTION void pm_options_offset_set(pm_options_t *options, uint32_t offset);
/**
* Set the encoding option on the given options struct.
*
@ -267,7 +253,6 @@ PRISM_EXPORTED_FUNCTION void pm_options_free(pm_options_t *options);
* | `4` | the length of the filepath |
* | ... | the filepath bytes |
* | `4` | the line number |
* | `4` | the offset |
* | `4` | the length the encoding |
* | ... | the encoding bytes |
* | `1` | frozen string literal |

110
prism/prism.c
View file

@ -500,6 +500,9 @@ debug_lex_state_set(pm_parser_t *parser, pm_lex_state_t state, char const * call
/** True if the -p command line option was given. */
#define PM_PARSER_COMMAND_LINE_OPTION_P(parser) PM_PARSER_COMMAND_LINE_OPTION(parser, PM_OPTIONS_COMMAND_LINE_P)
/** True if the -x command line option was given. */
#define PM_PARSER_COMMAND_LINE_OPTION_X(parser) PM_PARSER_COMMAND_LINE_OPTION(parser, PM_OPTIONS_COMMAND_LINE_X)
/******************************************************************************/
/* Diagnostic-related functions */
/******************************************************************************/
@ -19122,6 +19125,38 @@ parse_program(pm_parser_t *parser) {
/* External functions */
/******************************************************************************/
/**
* A vendored version of strnstr that is used to find a substring within a
* string with a given length. This function is used to search for the Ruby
* engine name within a shebang when the -x option is passed to Ruby.
*
* The only modification that we made here is that we don't do NULL byte checks
* because we know the little parameter will not have a NULL byte and we allow
* the big parameter to have them.
*/
static const char *
pm_strnstr(const char *big, const char *little, size_t big_length) {
size_t little_length = strlen(little);
for (const char *big_end = big + big_length; big < big_end; big++) {
if (*big == *little && memcmp(big, little, little_length) == 0) return big;
}
return NULL;
}
/**
* Potentially warn the user if the shebang that has been found to include
* "ruby" has a carriage return at the end, as that can cause problems on some
* platforms.
*/
static void
pm_parser_warn_shebang_carriage_return(pm_parser_t *parser, const uint8_t *start, size_t length) {
if (length > 2 && start[length - 1] == '\n' && start[length - 2] == '\r') {
pm_parser_warn(parser, start, start + length, PM_WARN_SHEBANG_CARRIAGE_RETURN);
}
}
/**
* Initialize a parser with the given start and end pointers.
*/
@ -19208,22 +19243,6 @@ pm_parser_init(pm_parser_t *parser, const uint8_t *source, size_t size, const pm
// line option
parser->start_line = options->line;
// offset option
if (options->offset != 0) {
const uint8_t *cursor = parser->start;
const uint8_t *offset = cursor + options->offset;
const uint8_t *newline = NULL;
while ((newline = next_newline(cursor, parser->end - cursor)) != NULL) {
if (newline > offset) break;
pm_newline_list_append(&parser->newline_list, newline);
cursor = newline + 1;
}
parser->previous = (pm_token_t) { .type = PM_TOKEN_EOF, .start = offset, .end = offset };
parser->current = (pm_token_t) { .type = PM_TOKEN_EOF, .start = offset, .end = offset };
}
// encoding option
size_t encoding_length = pm_string_length(&options->encoding);
if (encoding_length > 0) {
@ -19277,12 +19296,65 @@ pm_parser_init(pm_parser_t *parser, const uint8_t *source, size_t size, const pm
}
}
// If the -x command line flag is set, or the first shebang of the file does
// not include "ruby", then we'll search for a shebang that does include
// "ruby" and start parsing from there.
bool search_shebang = PM_PARSER_COMMAND_LINE_OPTION_X(parser);
// If the first two bytes of the source are a shebang, then we'll indicate
// that the encoding comment is at the end of the shebang.
if (peek(parser) == '#' && peek_offset(parser, 1) == '!') {
const uint8_t *encoding_comment_start = next_newline(source, (ptrdiff_t) size);
if (encoding_comment_start) {
parser->encoding_comment_start = encoding_comment_start + 1;
const uint8_t *newline = next_newline(parser->start, parser->end - parser->start);
size_t length = (size_t) ((newline != NULL ? newline : parser->end) - parser->start);
if (pm_strnstr((const char *) parser->start, "ruby", length) != NULL) {
pm_parser_warn_shebang_carriage_return(parser, parser->start, length);
if (newline != NULL) parser->encoding_comment_start = newline + 1;
search_shebang = false;
} else {
search_shebang = true;
}
}
// Here we're going to find the first shebang that includes "ruby" and start
// parsing from there.
if (search_shebang) {
bool found = false;
// This is going to point to the start of each line as we check it.
// We'll maintain a moving window looking at each line at they come.
const uint8_t *cursor = parser->start;
// The newline pointer points to the end of the current line that we're
// considering. If it is NULL, then we're at the end of the file.
const uint8_t *newline = next_newline(cursor, parser->end - cursor);
while (newline != NULL) {
pm_newline_list_append(&parser->newline_list, newline);
cursor = newline + 1;
newline = next_newline(cursor, parser->end - cursor);
size_t length = (size_t) ((newline != NULL ? newline : parser->end) - cursor);
if (length > 2 && cursor[0] == '#' && cursor[1] == '!') {
if (parser->newline_list.size == 1) {
pm_parser_warn_shebang_carriage_return(parser, cursor, length);
}
if (pm_strnstr((const char *) cursor, "ruby", length) != NULL) {
found = true;
parser->encoding_comment_start = newline + 1;
break;
}
}
}
if (found) {
parser->previous = (pm_token_t) { .type = PM_TOKEN_EOF, .start = cursor, .end = cursor };
parser->current = (pm_token_t) { .type = PM_TOKEN_EOF, .start = cursor, .end = cursor };
} else {
pm_parser_err(parser, parser->start, parser->start, PM_ERR_SCRIPT_NOT_FOUND);
pm_newline_list_clear(&parser->newline_list);
}
}
}

9
prism/templates/include/prism/diagnostic.h.erb
View file

@ -66,11 +66,14 @@ typedef struct {
* The levels of errors generated during parsing.
*/
typedef enum {
/** For errors that cannot be recovered from. */
PM_ERROR_LEVEL_FATAL = 0,
/** For errors that should raise a syntax error. */
PM_ERROR_LEVEL_SYNTAX = 0,
/** For errors that should raise an argument error. */
PM_ERROR_LEVEL_ARGUMENT = 1
PM_ERROR_LEVEL_ARGUMENT = 1,
/** For errors that should raise a load error. */
PM_ERROR_LEVEL_LOAD = 2
} pm_error_level_t;
/**

469
prism/templates/src/diagnostic.c.erb
View file

@ -65,8 +65,9 @@ typedef struct {
*
* For errors, they are:
*
* * `PM_ERROR_LEVEL_FATAL` - The default level for errors.
* * `PM_ERROR_LEVEL_SYNTAX` - Errors that should raise SyntaxError.
* * `PM_ERROR_LEVEL_ARGUMENT` - Errors that should raise ArgumentError.
* * `PM_ERROR_LEVEL_LOAD` - Errors that should raise LoadError.
*
* For warnings, they are:
*
@ -75,242 +76,245 @@ typedef struct {
*/
static const pm_diagnostic_data_t diagnostic_messages[PM_DIAGNOSTIC_ID_MAX] = {
// Special error that can be replaced
[PM_ERR_CANNOT_PARSE_EXPRESSION] = { "cannot parse the expression", PM_ERROR_LEVEL_FATAL },
[PM_ERR_CANNOT_PARSE_EXPRESSION] = { "cannot parse the expression", PM_ERROR_LEVEL_SYNTAX },
// Errors that should raise argument errors
[PM_ERR_INVALID_ENCODING_MAGIC_COMMENT] = { "unknown or invalid encoding in the magic comment", PM_ERROR_LEVEL_ARGUMENT },
// Errors that should raise load errors
[PM_ERR_SCRIPT_NOT_FOUND] = { "no Ruby script found in input", PM_ERROR_LEVEL_LOAD },
// Errors that should raise syntax errors
[PM_ERR_ALIAS_ARGUMENT] = { "invalid argument being passed to `alias`; expected a bare word, symbol, constant, or global variable", PM_ERROR_LEVEL_FATAL },
[PM_ERR_AMPAMPEQ_MULTI_ASSIGN] = { "unexpected `&&=` in a multiple assignment", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ARGUMENT_AFTER_BLOCK] = { "unexpected argument after a block argument", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ARGUMENT_AFTER_FORWARDING_ELLIPSES] = { "unexpected argument after `...`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ARGUMENT_BARE_HASH] = { "unexpected bare hash argument", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ARGUMENT_BLOCK_FORWARDING] = { "both a block argument and a forwarding argument; only one block is allowed", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ARGUMENT_BLOCK_MULTI] = { "multiple block arguments; only one block is allowed", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ARGUMENT_FORMAL_CLASS] = { "invalid formal argument; formal argument cannot be a class variable", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ARGUMENT_FORMAL_CONSTANT] = { "invalid formal argument; formal argument cannot be a constant", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ARGUMENT_FORMAL_GLOBAL] = { "invalid formal argument; formal argument cannot be a global variable", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ARGUMENT_FORMAL_IVAR] = { "invalid formal argument; formal argument cannot be an instance variable", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ARGUMENT_FORWARDING_UNBOUND] = { "unexpected `...` in an non-parenthesized call", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ARGUMENT_IN] = { "unexpected `in` keyword in arguments", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ARGUMENT_NO_FORWARDING_AMP] = { "unexpected `&` when the parent method is not forwarding", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ARGUMENT_NO_FORWARDING_ELLIPSES] = { "unexpected `...` when the parent method is not forwarding", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ARGUMENT_NO_FORWARDING_STAR] = { "unexpected `*` when the parent method is not forwarding", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ARGUMENT_NO_FORWARDING_STAR_STAR] = { "unexpected `**` when the parent method is not forwarding", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ARGUMENT_SPLAT_AFTER_ASSOC_SPLAT] = { "unexpected `*` splat argument after a `**` keyword splat argument", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ARGUMENT_SPLAT_AFTER_SPLAT] = { "unexpected `*` splat argument after a `*` splat argument", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ARGUMENT_TERM_PAREN] = { "expected a `)` to close the arguments", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ARGUMENT_UNEXPECTED_BLOCK] = { "unexpected `{` after a method call without parenthesis", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ARRAY_ELEMENT] = { "expected an element for the array", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ARRAY_EXPRESSION] = { "expected an expression for the array element", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ARRAY_EXPRESSION_AFTER_STAR] = { "expected an expression after `*` in the array", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ARRAY_SEPARATOR] = { "expected a `,` separator for the array elements", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ARRAY_TERM] = { "expected a `]` to close the array", PM_ERROR_LEVEL_FATAL },
[PM_ERR_BEGIN_LONELY_ELSE] = { "unexpected `else` in `begin` block; else without rescue is useless", PM_ERROR_LEVEL_FATAL },
[PM_ERR_BEGIN_TERM] = { "expected an `end` to close the `begin` statement", PM_ERROR_LEVEL_FATAL },
[PM_ERR_BEGIN_UPCASE_BRACE] = { "expected a `{` after `BEGIN`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_BEGIN_UPCASE_TERM] = { "expected a `}` to close the `BEGIN` statement", PM_ERROR_LEVEL_FATAL },
[PM_ERR_BEGIN_UPCASE_TOPLEVEL] = { "BEGIN is permitted only at toplevel", PM_ERROR_LEVEL_FATAL },
[PM_ERR_BLOCK_PARAM_LOCAL_VARIABLE] = { "expected a local variable name in the block parameters", PM_ERROR_LEVEL_FATAL },
[PM_ERR_BLOCK_PARAM_PIPE_TERM] = { "expected the block parameters to end with `|`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_BLOCK_TERM_BRACE] = { "expected a block beginning with `{` to end with `}`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_BLOCK_TERM_END] = { "expected a block beginning with `do` to end with `end`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_CANNOT_PARSE_STRING_PART] = { "cannot parse the string part", PM_ERROR_LEVEL_FATAL },
[PM_ERR_CASE_EXPRESSION_AFTER_CASE] = { "expected an expression after `case`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_CASE_EXPRESSION_AFTER_WHEN] = { "expected an expression after `when`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_CASE_MATCH_MISSING_PREDICATE] = { "expected a predicate for a case matching statement", PM_ERROR_LEVEL_FATAL },
[PM_ERR_CASE_MISSING_CONDITIONS] = { "expected a `when` or `in` clause after `case`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_CASE_TERM] = { "expected an `end` to close the `case` statement", PM_ERROR_LEVEL_FATAL },
[PM_ERR_CLASS_IN_METHOD] = { "unexpected class definition in a method definition", PM_ERROR_LEVEL_FATAL },
[PM_ERR_CLASS_NAME] = { "expected a constant name after `class`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_CLASS_SUPERCLASS] = { "expected a superclass after `<`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_CLASS_TERM] = { "expected an `end` to close the `class` statement", PM_ERROR_LEVEL_FATAL },
[PM_ERR_CLASS_UNEXPECTED_END] = { "unexpected `end`, expecting ';' or '\\n'", PM_ERROR_LEVEL_FATAL },
[PM_ERR_CONDITIONAL_ELSIF_PREDICATE] = { "expected a predicate expression for the `elsif` statement", PM_ERROR_LEVEL_FATAL },
[PM_ERR_CONDITIONAL_IF_PREDICATE] = { "expected a predicate expression for the `if` statement", PM_ERROR_LEVEL_FATAL },
[PM_ERR_CONDITIONAL_PREDICATE_TERM] = { "expected `then` or `;` or '\\n'", PM_ERROR_LEVEL_FATAL },
[PM_ERR_CONDITIONAL_TERM] = { "expected an `end` to close the conditional clause", PM_ERROR_LEVEL_FATAL },
[PM_ERR_CONDITIONAL_TERM_ELSE] = { "expected an `end` to close the `else` clause", PM_ERROR_LEVEL_FATAL },
[PM_ERR_CONDITIONAL_UNLESS_PREDICATE] = { "expected a predicate expression for the `unless` statement", PM_ERROR_LEVEL_FATAL },
[PM_ERR_CONDITIONAL_UNTIL_PREDICATE] = { "expected a predicate expression for the `until` statement", PM_ERROR_LEVEL_FATAL },
[PM_ERR_CONDITIONAL_WHILE_PREDICATE] = { "expected a predicate expression for the `while` statement", PM_ERROR_LEVEL_FATAL },
[PM_ERR_CONSTANT_PATH_COLON_COLON_CONSTANT] = { "expected a constant after the `::` operator", PM_ERROR_LEVEL_FATAL },
[PM_ERR_DEF_ENDLESS] = { "could not parse the endless method body", PM_ERROR_LEVEL_FATAL },
[PM_ERR_DEF_ENDLESS_SETTER] = { "invalid method name; a setter method cannot be defined in an endless method definition", PM_ERROR_LEVEL_FATAL },
[PM_ERR_DEF_NAME] = { "expected a method name", PM_ERROR_LEVEL_FATAL },
[PM_ERR_DEF_NAME_AFTER_RECEIVER] = { "expected a method name after the receiver", PM_ERROR_LEVEL_FATAL },
[PM_ERR_DEF_PARAMS_TERM] = { "expected a delimiter to close the parameters", PM_ERROR_LEVEL_FATAL },
[PM_ERR_DEF_PARAMS_TERM_PAREN] = { "expected a `)` to close the parameters", PM_ERROR_LEVEL_FATAL },
[PM_ERR_DEF_RECEIVER] = { "expected a receiver for the method definition", PM_ERROR_LEVEL_FATAL },
[PM_ERR_DEF_RECEIVER_TERM] = { "expected a `.` or `::` after the receiver in a method definition", PM_ERROR_LEVEL_FATAL },
[PM_ERR_DEF_TERM] = { "expected an `end` to close the `def` statement", PM_ERROR_LEVEL_FATAL },
[PM_ERR_DEFINED_EXPRESSION] = { "expected an expression after `defined?`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_EMBDOC_TERM] = { "could not find a terminator for the embedded document", PM_ERROR_LEVEL_FATAL },
[PM_ERR_EMBEXPR_END] = { "expected a `}` to close the embedded expression", PM_ERROR_LEVEL_FATAL },
[PM_ERR_EMBVAR_INVALID] = { "invalid embedded variable", PM_ERROR_LEVEL_FATAL },
[PM_ERR_END_UPCASE_BRACE] = { "expected a `{` after `END`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_END_UPCASE_TERM] = { "expected a `}` to close the `END` statement", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ESCAPE_INVALID_CONTROL] = { "invalid control escape sequence", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ESCAPE_INVALID_CONTROL_REPEAT] = { "invalid control escape sequence; control cannot be repeated", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ESCAPE_INVALID_HEXADECIMAL] = { "invalid hexadecimal escape sequence", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ESCAPE_INVALID_META] = { "invalid meta escape sequence", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ESCAPE_INVALID_META_REPEAT] = { "invalid meta escape sequence; meta cannot be repeated", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ESCAPE_INVALID_UNICODE] = { "invalid Unicode escape sequence", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ESCAPE_INVALID_UNICODE_CM_FLAGS] = { "invalid Unicode escape sequence; Unicode cannot be combined with control or meta flags", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ESCAPE_INVALID_UNICODE_LITERAL] = { "invalid Unicode escape sequence; multiple codepoints are not allowed in a character literal", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ESCAPE_INVALID_UNICODE_LONG] = { "invalid Unicode escape sequence; maximum length is 6 digits", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ESCAPE_INVALID_UNICODE_TERM] = { "invalid Unicode escape sequence; needs closing `}`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_EXPECT_ARGUMENT] = { "expected an argument", PM_ERROR_LEVEL_FATAL },
[PM_ERR_EXPECT_EOL_AFTER_STATEMENT] = { "unexpected %s, expecting end-of-input", PM_ERROR_LEVEL_FATAL },
[PM_ERR_EXPECT_EXPRESSION_AFTER_AMPAMPEQ] = { "expected an expression after `&&=`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_EXPECT_EXPRESSION_AFTER_PIPEPIPEEQ] = { "expected an expression after `||=`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_EXPECT_EXPRESSION_AFTER_COMMA] = { "expected an expression after `,`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_EXPECT_EXPRESSION_AFTER_EQUAL] = { "expected an expression after `=`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_EXPECT_EXPRESSION_AFTER_LESS_LESS] = { "expected an expression after `<<`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_EXPECT_EXPRESSION_AFTER_LPAREN] = { "expected an expression after `(`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_EXPECT_EXPRESSION_AFTER_OPERATOR] = { "expected an expression after the operator", PM_ERROR_LEVEL_FATAL },
[PM_ERR_EXPECT_EXPRESSION_AFTER_SPLAT] = { "expected an expression after `*` splat in an argument", PM_ERROR_LEVEL_FATAL },
[PM_ERR_EXPECT_EXPRESSION_AFTER_SPLAT_HASH] = { "expected an expression after `**` in a hash", PM_ERROR_LEVEL_FATAL },
[PM_ERR_EXPECT_EXPRESSION_AFTER_STAR] = { "expected an expression after `*`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_EXPECT_IDENT_REQ_PARAMETER] = { "expected an identifier for the required parameter", PM_ERROR_LEVEL_FATAL },
[PM_ERR_EXPECT_LPAREN_REQ_PARAMETER] = { "expected a `(` to start a required parameter", PM_ERROR_LEVEL_FATAL },
[PM_ERR_EXPECT_RBRACKET] = { "expected a matching `]`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_EXPECT_RPAREN] = { "expected a matching `)`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_EXPECT_RPAREN_AFTER_MULTI] = { "expected a `)` after multiple assignment", PM_ERROR_LEVEL_FATAL },
[PM_ERR_EXPECT_RPAREN_REQ_PARAMETER] = { "expected a `)` to end a required parameter", PM_ERROR_LEVEL_FATAL },
[PM_ERR_EXPECT_STRING_CONTENT] = { "expected string content after opening string delimiter", PM_ERROR_LEVEL_FATAL },
[PM_ERR_EXPECT_WHEN_DELIMITER] = { "expected a delimiter after the predicates of a `when` clause", PM_ERROR_LEVEL_FATAL },
[PM_ERR_EXPRESSION_BARE_HASH] = { "unexpected bare hash in expression", PM_ERROR_LEVEL_FATAL },
[PM_ERR_FLOAT_PARSE] = { "could not parse the float '%.*s'", PM_ERROR_LEVEL_FATAL },
[PM_ERR_FOR_COLLECTION] = { "expected a collection after the `in` in a `for` statement", PM_ERROR_LEVEL_FATAL },
[PM_ERR_FOR_INDEX] = { "expected an index after `for`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_FOR_IN] = { "expected an `in` after the index in a `for` statement", PM_ERROR_LEVEL_FATAL },
[PM_ERR_FOR_TERM] = { "expected an `end` to close the `for` loop", PM_ERROR_LEVEL_FATAL },
[PM_ERR_HASH_EXPRESSION_AFTER_LABEL] = { "expected an expression after the label in a hash", PM_ERROR_LEVEL_FATAL },
[PM_ERR_HASH_KEY] = { "unexpected %s, expecting '}' or a key in the hash literal", PM_ERROR_LEVEL_FATAL },
[PM_ERR_HASH_ROCKET] = { "expected a `=>` between the hash key and value", PM_ERROR_LEVEL_FATAL },
[PM_ERR_HASH_TERM] = { "expected a `}` to close the hash literal", PM_ERROR_LEVEL_FATAL },
[PM_ERR_HASH_VALUE] = { "expected a value in the hash literal", PM_ERROR_LEVEL_FATAL },
[PM_ERR_HEREDOC_TERM] = { "could not find a terminator for the heredoc", PM_ERROR_LEVEL_FATAL },
[PM_ERR_INCOMPLETE_QUESTION_MARK] = { "incomplete expression at `?`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_INCOMPLETE_VARIABLE_CLASS_3_3_0] = { "`%.*s' is not allowed as a class variable name", PM_ERROR_LEVEL_FATAL },
[PM_ERR_INCOMPLETE_VARIABLE_CLASS] = { "'%.*s' is not allowed as a class variable name", PM_ERROR_LEVEL_FATAL },
[PM_ERR_INCOMPLETE_VARIABLE_INSTANCE_3_3_0] = { "`%.*s' is not allowed as an instance variable name", PM_ERROR_LEVEL_FATAL },
[PM_ERR_INCOMPLETE_VARIABLE_INSTANCE] = { "'%.*s' is not allowed as an instance variable name", PM_ERROR_LEVEL_FATAL },
[PM_ERR_INVALID_FLOAT_EXPONENT] = { "invalid exponent", PM_ERROR_LEVEL_FATAL },
[PM_ERR_INVALID_NUMBER_BINARY] = { "invalid binary number", PM_ERROR_LEVEL_FATAL },
[PM_ERR_INVALID_NUMBER_DECIMAL] = { "invalid decimal number", PM_ERROR_LEVEL_FATAL },
[PM_ERR_INVALID_NUMBER_HEXADECIMAL] = { "invalid hexadecimal number", PM_ERROR_LEVEL_FATAL },
[PM_ERR_INVALID_NUMBER_OCTAL] = { "invalid octal number", PM_ERROR_LEVEL_FATAL },
[PM_ERR_INVALID_NUMBER_UNDERSCORE] = { "invalid underscore placement in number", PM_ERROR_LEVEL_FATAL },
[PM_ERR_INVALID_CHARACTER] = { "invalid character 0x%X", PM_ERROR_LEVEL_FATAL },
[PM_ERR_INVALID_MULTIBYTE_CHAR] = { "invalid multibyte char (%s)", PM_ERROR_LEVEL_FATAL },
[PM_ERR_INVALID_MULTIBYTE_CHARACTER] = { "invalid multibyte character 0x%X", PM_ERROR_LEVEL_FATAL },
[PM_ERR_INVALID_MULTIBYTE_ESCAPE] = { "invalid multibyte escape: /%.*s/", PM_ERROR_LEVEL_FATAL },
[PM_ERR_INVALID_PRINTABLE_CHARACTER] = { "invalid character `%c`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_INVALID_PERCENT] = { "invalid `%` token", PM_ERROR_LEVEL_FATAL }, // TODO WHAT?
[PM_ERR_INVALID_VARIABLE_GLOBAL_3_3_0] = { "`%.*s' is not allowed as a global variable name", PM_ERROR_LEVEL_FATAL },
[PM_ERR_INVALID_VARIABLE_GLOBAL] = { "'%.*s' is not allowed as a global variable name", PM_ERROR_LEVEL_FATAL },
[PM_ERR_IT_NOT_ALLOWED_NUMBERED] = { "`it` is not allowed when an numbered parameter is defined", PM_ERROR_LEVEL_FATAL },
[PM_ERR_IT_NOT_ALLOWED_ORDINARY] = { "`it` is not allowed when an ordinary parameter is defined", PM_ERROR_LEVEL_FATAL },
[PM_ERR_LAMBDA_OPEN] = { "expected a `do` keyword or a `{` to open the lambda block", PM_ERROR_LEVEL_FATAL },
[PM_ERR_LAMBDA_TERM_BRACE] = { "expected a lambda block beginning with `{` to end with `}`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_LAMBDA_TERM_END] = { "expected a lambda block beginning with `do` to end with `end`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_LIST_I_LOWER_ELEMENT] = { "expected a symbol in a `%i` list", PM_ERROR_LEVEL_FATAL },
[PM_ERR_LIST_I_LOWER_TERM] = { "expected a closing delimiter for the `%i` list", PM_ERROR_LEVEL_FATAL },
[PM_ERR_LIST_I_UPPER_ELEMENT] = { "expected a symbol in a `%I` list", PM_ERROR_LEVEL_FATAL },
[PM_ERR_LIST_I_UPPER_TERM] = { "expected a closing delimiter for the `%I` list", PM_ERROR_LEVEL_FATAL },
[PM_ERR_LIST_W_LOWER_ELEMENT] = { "expected a string in a `%w` list", PM_ERROR_LEVEL_FATAL },
[PM_ERR_LIST_W_LOWER_TERM] = { "expected a closing delimiter for the `%w` list", PM_ERROR_LEVEL_FATAL },
[PM_ERR_LIST_W_UPPER_ELEMENT] = { "expected a string in a `%W` list", PM_ERROR_LEVEL_FATAL },
[PM_ERR_LIST_W_UPPER_TERM] = { "expected a closing delimiter for the `%W` list", PM_ERROR_LEVEL_FATAL },
[PM_ERR_MALLOC_FAILED] = { "failed to allocate memory", PM_ERROR_LEVEL_FATAL },
[PM_ERR_MIXED_ENCODING] = { "UTF-8 mixed within %s source", PM_ERROR_LEVEL_FATAL },
[PM_ERR_MODULE_IN_METHOD] = { "unexpected module definition in a method definition", PM_ERROR_LEVEL_FATAL },
[PM_ERR_MODULE_NAME] = { "expected a constant name after `module`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_MODULE_TERM] = { "expected an `end` to close the `module` statement", PM_ERROR_LEVEL_FATAL },
[PM_ERR_MULTI_ASSIGN_MULTI_SPLATS] = { "multiple splats in multiple assignment", PM_ERROR_LEVEL_FATAL },
[PM_ERR_MULTI_ASSIGN_UNEXPECTED_REST] = { "unexpected '%.*s' resulting in multiple splats in multiple assignment", PM_ERROR_LEVEL_FATAL },
[PM_ERR_NOT_EXPRESSION] = { "expected an expression after `not`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_NO_LOCAL_VARIABLE] = { "%.*s: no such local variable", PM_ERROR_LEVEL_FATAL },
[PM_ERR_NUMBER_LITERAL_UNDERSCORE] = { "number literal ending with a `_`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_NUMBERED_PARAMETER_IT] = { "numbered parameters are not allowed when an 'it' parameter is defined", PM_ERROR_LEVEL_FATAL },
[PM_ERR_NUMBERED_PARAMETER_ORDINARY] = { "numbered parameters are not allowed when an ordinary parameter is defined", PM_ERROR_LEVEL_FATAL },
[PM_ERR_NUMBERED_PARAMETER_OUTER_SCOPE] = { "numbered parameter is already used in outer scope", PM_ERROR_LEVEL_FATAL },
[PM_ERR_OPERATOR_MULTI_ASSIGN] = { "unexpected operator for a multiple assignment", PM_ERROR_LEVEL_FATAL },
[PM_ERR_OPERATOR_WRITE_ARGUMENTS] = { "unexpected operator after a call with arguments", PM_ERROR_LEVEL_FATAL },
[PM_ERR_OPERATOR_WRITE_BLOCK] = { "unexpected operator after a call with a block", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PARAMETER_ASSOC_SPLAT_MULTI] = { "unexpected multiple `**` splat parameters", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PARAMETER_BLOCK_MULTI] = { "multiple block parameters; only one block is allowed", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PARAMETER_CIRCULAR] = { "parameter default value references itself", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PARAMETER_METHOD_NAME] = { "unexpected name for a parameter", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PARAMETER_NAME_REPEAT] = { "repeated parameter name", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PARAMETER_NO_DEFAULT] = { "expected a default value for the parameter", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PARAMETER_NO_DEFAULT_KW] = { "expected a default value for the keyword parameter", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PARAMETER_NUMBERED_RESERVED] = { "%.2s is reserved for numbered parameters", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PARAMETER_ORDER] = { "unexpected parameter order", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PARAMETER_SPLAT_MULTI] = { "unexpected multiple `*` splat parameters", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PARAMETER_STAR] = { "unexpected parameter `*`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PARAMETER_UNEXPECTED_FWD] = { "unexpected `...` in parameters", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PARAMETER_WILD_LOOSE_COMMA] = { "unexpected `,` in parameters", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PATTERN_EXPRESSION_AFTER_BRACKET] = { "expected a pattern expression after the `[` operator", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PATTERN_EXPRESSION_AFTER_COMMA] = { "expected a pattern expression after `,`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PATTERN_EXPRESSION_AFTER_HROCKET] = { "expected a pattern expression after `=>`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PATTERN_EXPRESSION_AFTER_IN] = { "expected a pattern expression after the `in` keyword", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PATTERN_EXPRESSION_AFTER_KEY] = { "expected a pattern expression after the key", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PATTERN_EXPRESSION_AFTER_PAREN] = { "expected a pattern expression after the `(` operator", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PATTERN_EXPRESSION_AFTER_PIN] = { "expected a pattern expression after the `^` pin operator", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PATTERN_EXPRESSION_AFTER_PIPE] = { "expected a pattern expression after the `|` operator", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PATTERN_EXPRESSION_AFTER_RANGE] = { "expected a pattern expression after the range operator", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PATTERN_EXPRESSION_AFTER_REST] = { "unexpected pattern expression after the `**` expression", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PATTERN_HASH_KEY] = { "expected a key in the hash pattern", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PATTERN_HASH_KEY_LABEL] = { "expected a label as the key in the hash pattern", PM_ERROR_LEVEL_FATAL }, // TODO // THIS // AND // ABOVE // IS WEIRD
[PM_ERR_PATTERN_IDENT_AFTER_HROCKET] = { "expected an identifier after the `=>` operator", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PATTERN_LABEL_AFTER_COMMA] = { "expected a label after the `,` in the hash pattern", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PATTERN_REST] = { "unexpected rest pattern", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PATTERN_TERM_BRACE] = { "expected a `}` to close the pattern expression", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PATTERN_TERM_BRACKET] = { "expected a `]` to close the pattern expression", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PATTERN_TERM_PAREN] = { "expected a `)` to close the pattern expression", PM_ERROR_LEVEL_FATAL },
[PM_ERR_PIPEPIPEEQ_MULTI_ASSIGN] = { "unexpected `||=` in a multiple assignment", PM_ERROR_LEVEL_FATAL },
[PM_ERR_REGEXP_ENCODING_OPTION_MISMATCH] = { "regexp encoding option '%c' differs from source encoding '%s'", PM_ERROR_LEVEL_FATAL },
[PM_ERR_REGEXP_INCOMPAT_CHAR_ENCODING] = { "incompatible character encoding: /%.*s/", PM_ERROR_LEVEL_FATAL },
[PM_ERR_REGEXP_NON_ESCAPED_MBC] = { "/.../n has a non escaped non ASCII character in non ASCII-8BIT script: /%.*s/", PM_ERROR_LEVEL_FATAL },
[PM_ERR_REGEXP_INVALID_UNICODE_RANGE] = { "invalid Unicode range: /%.*s/", PM_ERROR_LEVEL_FATAL },
[PM_ERR_REGEXP_UNKNOWN_OPTIONS] = { "unknown regexp %s: %.*s", PM_ERROR_LEVEL_FATAL },
[PM_ERR_REGEXP_TERM] = { "expected a closing delimiter for the regular expression", PM_ERROR_LEVEL_FATAL },
[PM_ERR_REGEXP_UTF8_CHAR_NON_UTF8_REGEXP] = { "UTF-8 character in non UTF-8 regexp: /%s/", PM_ERROR_LEVEL_FATAL },
[PM_ERR_RESCUE_EXPRESSION] = { "expected a rescued expression", PM_ERROR_LEVEL_FATAL },
[PM_ERR_RESCUE_MODIFIER_VALUE] = { "expected a value after the `rescue` modifier", PM_ERROR_LEVEL_FATAL },
[PM_ERR_RESCUE_TERM] = { "expected a closing delimiter for the `rescue` clause", PM_ERROR_LEVEL_FATAL },
[PM_ERR_RESCUE_VARIABLE] = { "expected an exception variable after `=>` in a rescue statement", PM_ERROR_LEVEL_FATAL },
[PM_ERR_RETURN_INVALID] = { "invalid `return` in a class or module body", PM_ERROR_LEVEL_FATAL },
[PM_ERR_SINGLETON_FOR_LITERALS] = { "cannot define singleton method for literals", PM_ERROR_LEVEL_FATAL },
[PM_ERR_STATEMENT_ALIAS] = { "unexpected an `alias` at a non-statement position", PM_ERROR_LEVEL_FATAL },
[PM_ERR_STATEMENT_POSTEXE_END] = { "unexpected an `END` at a non-statement position", PM_ERROR_LEVEL_FATAL },
[PM_ERR_STATEMENT_PREEXE_BEGIN] = { "unexpected a `BEGIN` at a non-statement position", PM_ERROR_LEVEL_FATAL },
[PM_ERR_STATEMENT_UNDEF] = { "unexpected an `undef` at a non-statement position", PM_ERROR_LEVEL_FATAL },
[PM_ERR_STRING_CONCATENATION] = { "expected a string for concatenation", PM_ERROR_LEVEL_FATAL },
[PM_ERR_STRING_INTERPOLATED_TERM] = { "expected a closing delimiter for the interpolated string", PM_ERROR_LEVEL_FATAL },
[PM_ERR_STRING_LITERAL_EOF] = { "unterminated string meets end of file", PM_ERROR_LEVEL_FATAL },
[PM_ERR_STRING_LITERAL_TERM] = { "unexpected %s, expected a string literal terminator", PM_ERROR_LEVEL_FATAL },
[PM_ERR_SYMBOL_INVALID] = { "invalid symbol", PM_ERROR_LEVEL_FATAL }, // TODO expected symbol? prism.c ~9719
[PM_ERR_SYMBOL_TERM_DYNAMIC] = { "expected a closing delimiter for the dynamic symbol", PM_ERROR_LEVEL_FATAL },
[PM_ERR_SYMBOL_TERM_INTERPOLATED] = { "expected a closing delimiter for the interpolated symbol", PM_ERROR_LEVEL_FATAL },
[PM_ERR_TERNARY_COLON] = { "expected a `:` after the true expression of a ternary operator", PM_ERROR_LEVEL_FATAL },
[PM_ERR_TERNARY_EXPRESSION_FALSE] = { "expected an expression after `:` in the ternary operator", PM_ERROR_LEVEL_FATAL },
[PM_ERR_TERNARY_EXPRESSION_TRUE] = { "expected an expression after `?` in the ternary operator", PM_ERROR_LEVEL_FATAL },
[PM_ERR_UNDEF_ARGUMENT] = { "invalid argument being passed to `undef`; expected a bare word, constant, or symbol argument", PM_ERROR_LEVEL_FATAL },
[PM_ERR_UNARY_RECEIVER] = { "unexpected %s, expected a receiver for unary `%c`", PM_ERROR_LEVEL_FATAL },
[PM_ERR_UNEXPECTED_TOKEN_CLOSE_CONTEXT] = { "unexpected %s, assuming it is closing the parent %s", PM_ERROR_LEVEL_FATAL },
[PM_ERR_UNEXPECTED_TOKEN_IGNORE] = { "unexpected %s, ignoring it", PM_ERROR_LEVEL_FATAL },
[PM_ERR_UNTIL_TERM] = { "expected an `end` to close the `until` statement", PM_ERROR_LEVEL_FATAL },
[PM_ERR_VOID_EXPRESSION] = { "unexpected void value expression", PM_ERROR_LEVEL_FATAL },
[PM_ERR_WHILE_TERM] = { "expected an `end` to close the `while` statement", PM_ERROR_LEVEL_FATAL },
[PM_ERR_WRITE_TARGET_IN_METHOD] = { "dynamic constant assignment", PM_ERROR_LEVEL_FATAL },
[PM_ERR_WRITE_TARGET_READONLY] = { "Can't set variable %.*s", PM_ERROR_LEVEL_FATAL },
[PM_ERR_WRITE_TARGET_UNEXPECTED] = { "unexpected write target", PM_ERROR_LEVEL_FATAL },
[PM_ERR_XSTRING_TERM] = { "expected a closing delimiter for the `%x` or backtick string", PM_ERROR_LEVEL_FATAL },
[PM_ERR_ALIAS_ARGUMENT] = { "invalid argument being passed to `alias`; expected a bare word, symbol, constant, or global variable", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_AMPAMPEQ_MULTI_ASSIGN] = { "unexpected `&&=` in a multiple assignment", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ARGUMENT_AFTER_BLOCK] = { "unexpected argument after a block argument", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ARGUMENT_AFTER_FORWARDING_ELLIPSES] = { "unexpected argument after `...`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ARGUMENT_BARE_HASH] = { "unexpected bare hash argument", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ARGUMENT_BLOCK_FORWARDING] = { "both a block argument and a forwarding argument; only one block is allowed", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ARGUMENT_BLOCK_MULTI] = { "multiple block arguments; only one block is allowed", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ARGUMENT_FORMAL_CLASS] = { "invalid formal argument; formal argument cannot be a class variable", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ARGUMENT_FORMAL_CONSTANT] = { "invalid formal argument; formal argument cannot be a constant", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ARGUMENT_FORMAL_GLOBAL] = { "invalid formal argument; formal argument cannot be a global variable", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ARGUMENT_FORMAL_IVAR] = { "invalid formal argument; formal argument cannot be an instance variable", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ARGUMENT_FORWARDING_UNBOUND] = { "unexpected `...` in an non-parenthesized call", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ARGUMENT_IN] = { "unexpected `in` keyword in arguments", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ARGUMENT_NO_FORWARDING_AMP] = { "unexpected `&` when the parent method is not forwarding", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ARGUMENT_NO_FORWARDING_ELLIPSES] = { "unexpected `...` when the parent method is not forwarding", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ARGUMENT_NO_FORWARDING_STAR] = { "unexpected `*` when the parent method is not forwarding", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ARGUMENT_NO_FORWARDING_STAR_STAR] = { "unexpected `**` when the parent method is not forwarding", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ARGUMENT_SPLAT_AFTER_ASSOC_SPLAT] = { "unexpected `*` splat argument after a `**` keyword splat argument", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ARGUMENT_SPLAT_AFTER_SPLAT] = { "unexpected `*` splat argument after a `*` splat argument", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ARGUMENT_TERM_PAREN] = { "expected a `)` to close the arguments", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ARGUMENT_UNEXPECTED_BLOCK] = { "unexpected `{` after a method call without parenthesis", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ARRAY_ELEMENT] = { "expected an element for the array", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ARRAY_EXPRESSION] = { "expected an expression for the array element", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ARRAY_EXPRESSION_AFTER_STAR] = { "expected an expression after `*` in the array", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ARRAY_SEPARATOR] = { "expected a `,` separator for the array elements", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ARRAY_TERM] = { "expected a `]` to close the array", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_BEGIN_LONELY_ELSE] = { "unexpected `else` in `begin` block; else without rescue is useless", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_BEGIN_TERM] = { "expected an `end` to close the `begin` statement", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_BEGIN_UPCASE_BRACE] = { "expected a `{` after `BEGIN`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_BEGIN_UPCASE_TERM] = { "expected a `}` to close the `BEGIN` statement", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_BEGIN_UPCASE_TOPLEVEL] = { "BEGIN is permitted only at toplevel", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_BLOCK_PARAM_LOCAL_VARIABLE] = { "expected a local variable name in the block parameters", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_BLOCK_PARAM_PIPE_TERM] = { "expected the block parameters to end with `|`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_BLOCK_TERM_BRACE] = { "expected a block beginning with `{` to end with `}`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_BLOCK_TERM_END] = { "expected a block beginning with `do` to end with `end`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_CANNOT_PARSE_STRING_PART] = { "cannot parse the string part", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_CASE_EXPRESSION_AFTER_CASE] = { "expected an expression after `case`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_CASE_EXPRESSION_AFTER_WHEN] = { "expected an expression after `when`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_CASE_MATCH_MISSING_PREDICATE] = { "expected a predicate for a case matching statement", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_CASE_MISSING_CONDITIONS] = { "expected a `when` or `in` clause after `case`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_CASE_TERM] = { "expected an `end` to close the `case` statement", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_CLASS_IN_METHOD] = { "unexpected class definition in a method definition", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_CLASS_NAME] = { "expected a constant name after `class`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_CLASS_SUPERCLASS] = { "expected a superclass after `<`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_CLASS_TERM] = { "expected an `end` to close the `class` statement", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_CLASS_UNEXPECTED_END] = { "unexpected `end`, expecting ';' or '\\n'", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_CONDITIONAL_ELSIF_PREDICATE] = { "expected a predicate expression for the `elsif` statement", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_CONDITIONAL_IF_PREDICATE] = { "expected a predicate expression for the `if` statement", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_CONDITIONAL_PREDICATE_TERM] = { "expected `then` or `;` or '\\n'", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_CONDITIONAL_TERM] = { "expected an `end` to close the conditional clause", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_CONDITIONAL_TERM_ELSE] = { "expected an `end` to close the `else` clause", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_CONDITIONAL_UNLESS_PREDICATE] = { "expected a predicate expression for the `unless` statement", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_CONDITIONAL_UNTIL_PREDICATE] = { "expected a predicate expression for the `until` statement", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_CONDITIONAL_WHILE_PREDICATE] = { "expected a predicate expression for the `while` statement", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_CONSTANT_PATH_COLON_COLON_CONSTANT] = { "expected a constant after the `::` operator", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_DEF_ENDLESS] = { "could not parse the endless method body", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_DEF_ENDLESS_SETTER] = { "invalid method name; a setter method cannot be defined in an endless method definition", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_DEF_NAME] = { "expected a method name", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_DEF_NAME_AFTER_RECEIVER] = { "expected a method name after the receiver", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_DEF_PARAMS_TERM] = { "expected a delimiter to close the parameters", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_DEF_PARAMS_TERM_PAREN] = { "expected a `)` to close the parameters", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_DEF_RECEIVER] = { "expected a receiver for the method definition", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_DEF_RECEIVER_TERM] = { "expected a `.` or `::` after the receiver in a method definition", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_DEF_TERM] = { "expected an `end` to close the `def` statement", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_DEFINED_EXPRESSION] = { "expected an expression after `defined?`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_EMBDOC_TERM] = { "could not find a terminator for the embedded document", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_EMBEXPR_END] = { "expected a `}` to close the embedded expression", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_EMBVAR_INVALID] = { "invalid embedded variable", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_END_UPCASE_BRACE] = { "expected a `{` after `END`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_END_UPCASE_TERM] = { "expected a `}` to close the `END` statement", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ESCAPE_INVALID_CONTROL] = { "invalid control escape sequence", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ESCAPE_INVALID_CONTROL_REPEAT] = { "invalid control escape sequence; control cannot be repeated", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ESCAPE_INVALID_HEXADECIMAL] = { "invalid hexadecimal escape sequence", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ESCAPE_INVALID_META] = { "invalid meta escape sequence", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ESCAPE_INVALID_META_REPEAT] = { "invalid meta escape sequence; meta cannot be repeated", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ESCAPE_INVALID_UNICODE] = { "invalid Unicode escape sequence", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ESCAPE_INVALID_UNICODE_CM_FLAGS] = { "invalid Unicode escape sequence; Unicode cannot be combined with control or meta flags", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ESCAPE_INVALID_UNICODE_LITERAL] = { "invalid Unicode escape sequence; multiple codepoints are not allowed in a character literal", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ESCAPE_INVALID_UNICODE_LONG] = { "invalid Unicode escape sequence; maximum length is 6 digits", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_ESCAPE_INVALID_UNICODE_TERM] = { "invalid Unicode escape sequence; needs closing `}`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_EXPECT_ARGUMENT] = { "expected an argument", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_EXPECT_EOL_AFTER_STATEMENT] = { "unexpected %s, expecting end-of-input", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_EXPECT_EXPRESSION_AFTER_AMPAMPEQ] = { "expected an expression after `&&=`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_EXPECT_EXPRESSION_AFTER_PIPEPIPEEQ] = { "expected an expression after `||=`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_EXPECT_EXPRESSION_AFTER_COMMA] = { "expected an expression after `,`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_EXPECT_EXPRESSION_AFTER_EQUAL] = { "expected an expression after `=`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_EXPECT_EXPRESSION_AFTER_LESS_LESS] = { "expected an expression after `<<`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_EXPECT_EXPRESSION_AFTER_LPAREN] = { "expected an expression after `(`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_EXPECT_EXPRESSION_AFTER_OPERATOR] = { "expected an expression after the operator", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_EXPECT_EXPRESSION_AFTER_SPLAT] = { "expected an expression after `*` splat in an argument", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_EXPECT_EXPRESSION_AFTER_SPLAT_HASH] = { "expected an expression after `**` in a hash", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_EXPECT_EXPRESSION_AFTER_STAR] = { "expected an expression after `*`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_EXPECT_IDENT_REQ_PARAMETER] = { "expected an identifier for the required parameter", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_EXPECT_LPAREN_REQ_PARAMETER] = { "expected a `(` to start a required parameter", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_EXPECT_RBRACKET] = { "expected a matching `]`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_EXPECT_RPAREN] = { "expected a matching `)`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_EXPECT_RPAREN_AFTER_MULTI] = { "expected a `)` after multiple assignment", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_EXPECT_RPAREN_REQ_PARAMETER] = { "expected a `)` to end a required parameter", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_EXPECT_STRING_CONTENT] = { "expected string content after opening string delimiter", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_EXPECT_WHEN_DELIMITER] = { "expected a delimiter after the predicates of a `when` clause", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_EXPRESSION_BARE_HASH] = { "unexpected bare hash in expression", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_FLOAT_PARSE] = { "could not parse the float '%.*s'", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_FOR_COLLECTION] = { "expected a collection after the `in` in a `for` statement", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_FOR_INDEX] = { "expected an index after `for`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_FOR_IN] = { "expected an `in` after the index in a `for` statement", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_FOR_TERM] = { "expected an `end` to close the `for` loop", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_HASH_EXPRESSION_AFTER_LABEL] = { "expected an expression after the label in a hash", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_HASH_KEY] = { "unexpected %s, expecting '}' or a key in the hash literal", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_HASH_ROCKET] = { "expected a `=>` between the hash key and value", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_HASH_TERM] = { "expected a `}` to close the hash literal", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_HASH_VALUE] = { "expected a value in the hash literal", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_HEREDOC_TERM] = { "could not find a terminator for the heredoc", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_INCOMPLETE_QUESTION_MARK] = { "incomplete expression at `?`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_INCOMPLETE_VARIABLE_CLASS_3_3_0] = { "`%.*s' is not allowed as a class variable name", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_INCOMPLETE_VARIABLE_CLASS] = { "'%.*s' is not allowed as a class variable name", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_INCOMPLETE_VARIABLE_INSTANCE_3_3_0] = { "`%.*s' is not allowed as an instance variable name", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_INCOMPLETE_VARIABLE_INSTANCE] = { "'%.*s' is not allowed as an instance variable name", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_INVALID_FLOAT_EXPONENT] = { "invalid exponent", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_INVALID_NUMBER_BINARY] = { "invalid binary number", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_INVALID_NUMBER_DECIMAL] = { "invalid decimal number", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_INVALID_NUMBER_HEXADECIMAL] = { "invalid hexadecimal number", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_INVALID_NUMBER_OCTAL] = { "invalid octal number", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_INVALID_NUMBER_UNDERSCORE] = { "invalid underscore placement in number", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_INVALID_CHARACTER] = { "invalid character 0x%X", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_INVALID_MULTIBYTE_CHAR] = { "invalid multibyte char (%s)", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_INVALID_MULTIBYTE_CHARACTER] = { "invalid multibyte character 0x%X", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_INVALID_MULTIBYTE_ESCAPE] = { "invalid multibyte escape: /%.*s/", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_INVALID_PRINTABLE_CHARACTER] = { "invalid character `%c`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_INVALID_PERCENT] = { "invalid `%` token", PM_ERROR_LEVEL_SYNTAX }, // TODO WHAT?
[PM_ERR_INVALID_VARIABLE_GLOBAL_3_3_0] = { "`%.*s' is not allowed as a global variable name", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_INVALID_VARIABLE_GLOBAL] = { "'%.*s' is not allowed as a global variable name", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_IT_NOT_ALLOWED_NUMBERED] = { "`it` is not allowed when an numbered parameter is defined", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_IT_NOT_ALLOWED_ORDINARY] = { "`it` is not allowed when an ordinary parameter is defined", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_LAMBDA_OPEN] = { "expected a `do` keyword or a `{` to open the lambda block", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_LAMBDA_TERM_BRACE] = { "expected a lambda block beginning with `{` to end with `}`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_LAMBDA_TERM_END] = { "expected a lambda block beginning with `do` to end with `end`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_LIST_I_LOWER_ELEMENT] = { "expected a symbol in a `%i` list", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_LIST_I_LOWER_TERM] = { "expected a closing delimiter for the `%i` list", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_LIST_I_UPPER_ELEMENT] = { "expected a symbol in a `%I` list", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_LIST_I_UPPER_TERM] = { "expected a closing delimiter for the `%I` list", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_LIST_W_LOWER_ELEMENT] = { "expected a string in a `%w` list", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_LIST_W_LOWER_TERM] = { "expected a closing delimiter for the `%w` list", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_LIST_W_UPPER_ELEMENT] = { "expected a string in a `%W` list", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_LIST_W_UPPER_TERM] = { "expected a closing delimiter for the `%W` list", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_MALLOC_FAILED] = { "failed to allocate memory", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_MIXED_ENCODING] = { "UTF-8 mixed within %s source", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_MODULE_IN_METHOD] = { "unexpected module definition in a method definition", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_MODULE_NAME] = { "expected a constant name after `module`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_MODULE_TERM] = { "expected an `end` to close the `module` statement", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_MULTI_ASSIGN_MULTI_SPLATS] = { "multiple splats in multiple assignment", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_MULTI_ASSIGN_UNEXPECTED_REST] = { "unexpected '%.*s' resulting in multiple splats in multiple assignment", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_NOT_EXPRESSION] = { "expected an expression after `not`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_NO_LOCAL_VARIABLE] = { "%.*s: no such local variable", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_NUMBER_LITERAL_UNDERSCORE] = { "number literal ending with a `_`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_NUMBERED_PARAMETER_IT] = { "numbered parameters are not allowed when an 'it' parameter is defined", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_NUMBERED_PARAMETER_ORDINARY] = { "numbered parameters are not allowed when an ordinary parameter is defined", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_NUMBERED_PARAMETER_OUTER_SCOPE] = { "numbered parameter is already used in outer scope", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_OPERATOR_MULTI_ASSIGN] = { "unexpected operator for a multiple assignment", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_OPERATOR_WRITE_ARGUMENTS] = { "unexpected operator after a call with arguments", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_OPERATOR_WRITE_BLOCK] = { "unexpected operator after a call with a block", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PARAMETER_ASSOC_SPLAT_MULTI] = { "unexpected multiple `**` splat parameters", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PARAMETER_BLOCK_MULTI] = { "multiple block parameters; only one block is allowed", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PARAMETER_CIRCULAR] = { "parameter default value references itself", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PARAMETER_METHOD_NAME] = { "unexpected name for a parameter", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PARAMETER_NAME_REPEAT] = { "repeated parameter name", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PARAMETER_NO_DEFAULT] = { "expected a default value for the parameter", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PARAMETER_NO_DEFAULT_KW] = { "expected a default value for the keyword parameter", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PARAMETER_NUMBERED_RESERVED] = { "%.2s is reserved for numbered parameters", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PARAMETER_ORDER] = { "unexpected parameter order", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PARAMETER_SPLAT_MULTI] = { "unexpected multiple `*` splat parameters", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PARAMETER_STAR] = { "unexpected parameter `*`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PARAMETER_UNEXPECTED_FWD] = { "unexpected `...` in parameters", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PARAMETER_WILD_LOOSE_COMMA] = { "unexpected `,` in parameters", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PATTERN_EXPRESSION_AFTER_BRACKET] = { "expected a pattern expression after the `[` operator", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PATTERN_EXPRESSION_AFTER_COMMA] = { "expected a pattern expression after `,`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PATTERN_EXPRESSION_AFTER_HROCKET] = { "expected a pattern expression after `=>`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PATTERN_EXPRESSION_AFTER_IN] = { "expected a pattern expression after the `in` keyword", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PATTERN_EXPRESSION_AFTER_KEY] = { "expected a pattern expression after the key", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PATTERN_EXPRESSION_AFTER_PAREN] = { "expected a pattern expression after the `(` operator", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PATTERN_EXPRESSION_AFTER_PIN] = { "expected a pattern expression after the `^` pin operator", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PATTERN_EXPRESSION_AFTER_PIPE] = { "expected a pattern expression after the `|` operator", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PATTERN_EXPRESSION_AFTER_RANGE] = { "expected a pattern expression after the range operator", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PATTERN_EXPRESSION_AFTER_REST] = { "unexpected pattern expression after the `**` expression", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PATTERN_HASH_KEY] = { "expected a key in the hash pattern", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PATTERN_HASH_KEY_LABEL] = { "expected a label as the key in the hash pattern", PM_ERROR_LEVEL_SYNTAX }, // TODO // THIS // AND // ABOVE // IS WEIRD
[PM_ERR_PATTERN_IDENT_AFTER_HROCKET] = { "expected an identifier after the `=>` operator", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PATTERN_LABEL_AFTER_COMMA] = { "expected a label after the `,` in the hash pattern", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PATTERN_REST] = { "unexpected rest pattern", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PATTERN_TERM_BRACE] = { "expected a `}` to close the pattern expression", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PATTERN_TERM_BRACKET] = { "expected a `]` to close the pattern expression", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PATTERN_TERM_PAREN] = { "expected a `)` to close the pattern expression", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_PIPEPIPEEQ_MULTI_ASSIGN] = { "unexpected `||=` in a multiple assignment", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_REGEXP_ENCODING_OPTION_MISMATCH] = { "regexp encoding option '%c' differs from source encoding '%s'", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_REGEXP_INCOMPAT_CHAR_ENCODING] = { "incompatible character encoding: /%.*s/", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_REGEXP_NON_ESCAPED_MBC] = { "/.../n has a non escaped non ASCII character in non ASCII-8BIT script: /%.*s/", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_REGEXP_INVALID_UNICODE_RANGE] = { "invalid Unicode range: /%.*s/", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_REGEXP_UNKNOWN_OPTIONS] = { "unknown regexp %s: %.*s", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_REGEXP_TERM] = { "expected a closing delimiter for the regular expression", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_REGEXP_UTF8_CHAR_NON_UTF8_REGEXP] = { "UTF-8 character in non UTF-8 regexp: /%s/", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_RESCUE_EXPRESSION] = { "expected a rescued expression", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_RESCUE_MODIFIER_VALUE] = { "expected a value after the `rescue` modifier", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_RESCUE_TERM] = { "expected a closing delimiter for the `rescue` clause", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_RESCUE_VARIABLE] = { "expected an exception variable after `=>` in a rescue statement", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_RETURN_INVALID] = { "invalid `return` in a class or module body", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_SINGLETON_FOR_LITERALS] = { "cannot define singleton method for literals", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_STATEMENT_ALIAS] = { "unexpected an `alias` at a non-statement position", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_STATEMENT_POSTEXE_END] = { "unexpected an `END` at a non-statement position", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_STATEMENT_PREEXE_BEGIN] = { "unexpected a `BEGIN` at a non-statement position", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_STATEMENT_UNDEF] = { "unexpected an `undef` at a non-statement position", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_STRING_CONCATENATION] = { "expected a string for concatenation", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_STRING_INTERPOLATED_TERM] = { "expected a closing delimiter for the interpolated string", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_STRING_LITERAL_EOF] = { "unterminated string meets end of file", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_STRING_LITERAL_TERM] = { "unexpected %s, expected a string literal terminator", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_SYMBOL_INVALID] = { "invalid symbol", PM_ERROR_LEVEL_SYNTAX }, // TODO expected symbol? prism.c ~9719
[PM_ERR_SYMBOL_TERM_DYNAMIC] = { "expected a closing delimiter for the dynamic symbol", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_SYMBOL_TERM_INTERPOLATED] = { "expected a closing delimiter for the interpolated symbol", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_TERNARY_COLON] = { "expected a `:` after the true expression of a ternary operator", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_TERNARY_EXPRESSION_FALSE] = { "expected an expression after `:` in the ternary operator", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_TERNARY_EXPRESSION_TRUE] = { "expected an expression after `?` in the ternary operator", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_UNDEF_ARGUMENT] = { "invalid argument being passed to `undef`; expected a bare word, constant, or symbol argument", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_UNARY_RECEIVER] = { "unexpected %s, expected a receiver for unary `%c`", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_UNEXPECTED_TOKEN_CLOSE_CONTEXT] = { "unexpected %s, assuming it is closing the parent %s", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_UNEXPECTED_TOKEN_IGNORE] = { "unexpected %s, ignoring it", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_UNTIL_TERM] = { "expected an `end` to close the `until` statement", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_VOID_EXPRESSION] = { "unexpected void value expression", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_WHILE_TERM] = { "expected an `end` to close the `while` statement", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_WRITE_TARGET_IN_METHOD] = { "dynamic constant assignment", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_WRITE_TARGET_READONLY] = { "Can't set variable %.*s", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_WRITE_TARGET_UNEXPECTED] = { "unexpected write target", PM_ERROR_LEVEL_SYNTAX },
[PM_ERR_XSTRING_TERM] = { "expected a closing delimiter for the `%x` or backtick string", PM_ERROR_LEVEL_SYNTAX },
// Warnings
[PM_WARN_AMBIGUOUS_FIRST_ARGUMENT_MINUS] = { "ambiguous first argument; put parentheses or a space even after `-` operator", PM_WARNING_LEVEL_VERBOSE },
@ -335,6 +339,7 @@ static const pm_diagnostic_data_t diagnostic_messages[PM_DIAGNOSTIC_ID_MAX] = {
[PM_WARN_KEYWORD_EOL] = { "`%.*s` at the end of line without an expression", PM_WARNING_LEVEL_VERBOSE },
[PM_WARN_LITERAL_IN_CONDITION_DEFAULT] = { "%sliteral in %s", PM_WARNING_LEVEL_DEFAULT },
[PM_WARN_LITERAL_IN_CONDITION_VERBOSE] = { "%sliteral in %s", PM_WARNING_LEVEL_VERBOSE },
[PM_WARN_SHEBANG_CARRIAGE_RETURN] = { "shebang line ending with \\r may cause problems", PM_WARNING_LEVEL_DEFAULT },
[PM_WARN_UNEXPECTED_CARRIAGE_RETURN] = { "encountered \\r in middle of line, treated as a mere space", PM_WARNING_LEVEL_DEFAULT }
};

8
prism/util/pm_newline_list.c
View file

@ -19,6 +19,14 @@ pm_newline_list_init(pm_newline_list_t *list, const uint8_t *start, size_t capac
return true;
}
/**
* Clear out the newlines that have been appended to the list.
*/
void
pm_newline_list_clear(pm_newline_list_t *list) {
list->size = 1;
}
/**
* Append a new offset to the newline list. Returns true if the reallocation of
* the offsets succeeds (if one was necessary), otherwise returns false.

6
prism/util/pm_newline_list.h
View file

@ -61,6 +61,12 @@ typedef struct {
*/
bool pm_newline_list_init(pm_newline_list_t *list, const uint8_t *start, size_t capacity);
/**
* Clear out the newlines that have been appended to the list.
*/
void
pm_newline_list_clear(pm_newline_list_t *list);
/**
* Append a new offset to the newline list. Returns true if the reallocation of
* the offsets succeeds (if one was necessary), otherwise returns false.

23
test/prism/command_line_test.rb
View file

@ -65,5 +65,28 @@ module Prism
result = Prism.parse("1 if 2..3", command_line: "e")
assert_equal 0, result.warnings.length
end
def test_command_line_x_implicit
result = Prism.parse(<<~RUBY)
#!/bin/bash
exit 1
#!/usr/bin/env ruby
1
RUBY
assert_kind_of IntegerNode, result.value.statements.body.first
end
def test_command_line_x_explicit
result = Prism.parse(<<~RUBY, command_line: "x")
exit 1
#!/usr/bin/env ruby
1
RUBY
assert_kind_of IntegerNode, result.value.statements.body.first
end
end
end

15
test/prism/ruby_api_test.rb
View file

@ -233,21 +233,6 @@ module Prism
assert_equal 16, base[parse_expression("0x1")]
end
def test_offset
source = <<~RUBY
#!/bin/sh
echo "foo"
exit 0
#!/usr/bin/env ruby
puts "bar"
RUBY
assert Prism.parse_success?(source, offset: 30)
end
private
def parse_expression(source)