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[ruby/prism] Use un-capitalized error messages

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I don't prefer this style, but it appears that a plurality of syntax
error messages between with un-capitalized messages in CRuby, so
we'll go with that for consistency, for now.

https://github.com/ruby/prism/commit/b02df68954
This commit is contained in:
Kevin Newton 2023-11-27 15:05:06 -05:00 committed by git
parent 32b5f5be7c
commit 0164da68c1
2 changed files with 418 additions and 418 deletions
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442
prism/diagnostic.c
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@ -5,32 +5,33 @@
*
* When composing an error message, use sentence fragments.
*
* Try describing the property of the code that caused the error, rather than the rule that is being
* violated. It may help to use a fragment that completes a sentence beginning, "The parser
* encountered (a) ...". If appropriate, add a description of the rule violation (or other helpful
* context) after a semicolon.
* Try describing the property of the code that caused the error, rather than
* the rule that is being violated. It may help to use a fragment that completes
* a sentence beginning, "the parser encountered (a) ...". If appropriate, add a
* description of the rule violation (or other helpful context) after a
* semicolon.
*
* For example:, instead of "Control escape sequence cannot be doubled", prefer:
* For example:, instead of "control escape sequence cannot be doubled", prefer:
*
* > "Invalid control escape sequence; control cannot be repeated"
* > "invalid control escape sequence; control cannot be repeated"
*
* In some cases, where the failure is more general or syntax expectations are violated, it may make
* more sense to use a fragment that completes a sentence beginning, "The parser ...".
* In some cases, where the failure is more general or syntax expectations are
* violated, it may make more sense to use a fragment that completes a sentence
* beginning, "the parser ...".
*
* For example:
*
* > "Expected an expression after `(`"
* > "Cannot parse the expression"
*
* > "expected an expression after `(`"
* > "cannot parse the expression"
*
* ## Message style guide
*
* - Use articles like "a", "an", and "the" when appropriate.
* - e.g., prefer "Cannot parse the expression" to "Cannot parse expression".
* - e.g., prefer "cannot parse the expression" to "cannot parse expression".
* - Use the common name for tokens and nodes.
* - e.g., prefer "keyword splat" to "assoc splat"
* - e.g., prefer "embedded document" to "embdoc"
* - Capitalize the initial word of the message.
* - Do not capitalize the initial word of the message.
* - Use back ticks around token literals
* - e.g., "Expected a `=>` between the hash key and value"
* - Do not use `.` or other punctuation at the end of the message.
@ -38,7 +39,6 @@
* - For tokens that can have multiple meanings, reference the token and its meaning.
* - e.g., "`*` splat argument" is clearer and more complete than "splat argument" or "`*` argument"
*
*
* ## Error names (PM_ERR_*)
*
* - When appropriate, prefer node name to token name.
@ -51,215 +51,215 @@
* sorted. See PM_ERR_ARGUMENT_NO_FORWARDING_* for an example.
*/
static const char* const diagnostic_messages[PM_DIAGNOSTIC_ID_LEN] = {
[PM_ERR_ALIAS_ARGUMENT] = "Invalid argument being passed to `alias`; expected a bare word, symbol, constant, or global variable",
[PM_ERR_AMPAMPEQ_MULTI_ASSIGN] = "Unexpected `&&=` in a multiple assignment",
[PM_ERR_ARGUMENT_AFTER_BLOCK] = "Unexpected argument after a block argument",
[PM_ERR_ARGUMENT_AFTER_FORWARDING_ELLIPSES] = "Unexpected argument after `...`",
[PM_ERR_ARGUMENT_BARE_HASH] = "Unexpected bare hash argument",
[PM_ERR_ARGUMENT_BLOCK_MULTI] = "Multiple block arguments; only one block is allowed",
[PM_ERR_ARGUMENT_FORMAL_CLASS] = "Invalid formal argument; formal argument cannot be a class variable",
[PM_ERR_ARGUMENT_FORMAL_CONSTANT] = "Invalid formal argument; formal argument cannot be a constant",
[PM_ERR_ARGUMENT_FORMAL_GLOBAL] = "Invalid formal argument; formal argument cannot be a global variable",
[PM_ERR_ARGUMENT_FORMAL_IVAR] = "Invalid formal argument; formal argument cannot be an instance variable",
[PM_ERR_ARGUMENT_FORWARDING_UNBOUND] = "Unexpected `...` in an non-parenthesized call",
[PM_ERR_ARGUMENT_NO_FORWARDING_AMP] = "Unexpected `&` when the parent method is not forwarding",
[PM_ERR_ARGUMENT_NO_FORWARDING_ELLIPSES] = "Unexpected `...` when the parent method is not forwarding",
[PM_ERR_ARGUMENT_NO_FORWARDING_STAR] = "Unexpected `*` when the parent method is not forwarding",
[PM_ERR_ARGUMENT_SPLAT_AFTER_ASSOC_SPLAT] = "Unexpected `*` splat argument after a `**` keyword splat argument",
[PM_ERR_ARGUMENT_SPLAT_AFTER_SPLAT] = "Unexpected `*` splat argument after a `*` splat argument",
[PM_ERR_ARGUMENT_TERM_PAREN] = "Expected a `)` to close the arguments",
[PM_ERR_ARGUMENT_UNEXPECTED_BLOCK] = "Unexpected `{` after a method call without parenthesis",
[PM_ERR_ARRAY_ELEMENT] = "Expected an element for the array",
[PM_ERR_ARRAY_EXPRESSION] = "Expected an expression for the array element",
[PM_ERR_ARRAY_EXPRESSION_AFTER_STAR] = "Expected an expression after `*` in the array",
[PM_ERR_ARRAY_SEPARATOR] = "Expected a `,` separator for the array elements",
[PM_ERR_ARRAY_TERM] = "Expected a `]` to close the array",
[PM_ERR_BEGIN_LONELY_ELSE] = "Unexpected `else` in `begin` block; a `rescue` clause must precede `else`",
[PM_ERR_BEGIN_TERM] = "Expected an `end` to close the `begin` statement",
[PM_ERR_BEGIN_UPCASE_BRACE] = "Expected a `{` after `BEGIN`",
[PM_ERR_BEGIN_UPCASE_TERM] = "Expected a `}` to close the `BEGIN` statement",
[PM_ERR_ALIAS_ARGUMENT] = "invalid argument being passed to `alias`; expected a bare word, symbol, constant, or global variable",
[PM_ERR_AMPAMPEQ_MULTI_ASSIGN] = "unexpected `&&=` in a multiple assignment",
[PM_ERR_ARGUMENT_AFTER_BLOCK] = "unexpected argument after a block argument",
[PM_ERR_ARGUMENT_AFTER_FORWARDING_ELLIPSES] = "unexpected argument after `...`",
[PM_ERR_ARGUMENT_BARE_HASH] = "unexpected bare hash argument",
[PM_ERR_ARGUMENT_BLOCK_MULTI] = "multiple block arguments; only one block is allowed",
[PM_ERR_ARGUMENT_FORMAL_CLASS] = "invalid formal argument; formal argument cannot be a class variable",
[PM_ERR_ARGUMENT_FORMAL_CONSTANT] = "invalid formal argument; formal argument cannot be a constant",
[PM_ERR_ARGUMENT_FORMAL_GLOBAL] = "invalid formal argument; formal argument cannot be a global variable",
[PM_ERR_ARGUMENT_FORMAL_IVAR] = "invalid formal argument; formal argument cannot be an instance variable",
[PM_ERR_ARGUMENT_FORWARDING_UNBOUND] = "unexpected `...` in an non-parenthesized call",
[PM_ERR_ARGUMENT_NO_FORWARDING_AMP] = "unexpected `&` when the parent method is not forwarding",
[PM_ERR_ARGUMENT_NO_FORWARDING_ELLIPSES] = "unexpected `...` when the parent method is not forwarding",
[PM_ERR_ARGUMENT_NO_FORWARDING_STAR] = "unexpected `*` when the parent method is not forwarding",
[PM_ERR_ARGUMENT_SPLAT_AFTER_ASSOC_SPLAT] = "unexpected `*` splat argument after a `**` keyword splat argument",
[PM_ERR_ARGUMENT_SPLAT_AFTER_SPLAT] = "unexpected `*` splat argument after a `*` splat argument",
[PM_ERR_ARGUMENT_TERM_PAREN] = "expected a `)` to close the arguments",
[PM_ERR_ARGUMENT_UNEXPECTED_BLOCK] = "unexpected `{` after a method call without parenthesis",
[PM_ERR_ARRAY_ELEMENT] = "expected an element for the array",
[PM_ERR_ARRAY_EXPRESSION] = "expected an expression for the array element",
[PM_ERR_ARRAY_EXPRESSION_AFTER_STAR] = "expected an expression after `*` in the array",
[PM_ERR_ARRAY_SEPARATOR] = "expected a `,` separator for the array elements",
[PM_ERR_ARRAY_TERM] = "expected a `]` to close the array",
[PM_ERR_BEGIN_LONELY_ELSE] = "unexpected `else` in `begin` block; a `rescue` clause must precede `else`",
[PM_ERR_BEGIN_TERM] = "expected an `end` to close the `begin` statement",
[PM_ERR_BEGIN_UPCASE_BRACE] = "expected a `{` after `BEGIN`",
[PM_ERR_BEGIN_UPCASE_TERM] = "expected a `}` to close the `BEGIN` statement",
[PM_ERR_BEGIN_UPCASE_TOPLEVEL] = "BEGIN is permitted only at toplevel",
[PM_ERR_BLOCK_PARAM_LOCAL_VARIABLE] = "Expected a local variable name in the block parameters",
[PM_ERR_BLOCK_PARAM_PIPE_TERM] = "Expected the block parameters to end with `|`",
[PM_ERR_BLOCK_TERM_BRACE] = "Expected a block beginning with `{` to end with `}`",
[PM_ERR_BLOCK_TERM_END] = "Expected a block beginning with `do` to end with `end`",
[PM_ERR_CANNOT_PARSE_EXPRESSION] = "Cannot parse the expression",
[PM_ERR_CANNOT_PARSE_STRING_PART] = "Cannot parse the string part",
[PM_ERR_CASE_EXPRESSION_AFTER_CASE] = "Expected an expression after `case`",
[PM_ERR_CASE_EXPRESSION_AFTER_WHEN] = "Expected an expression after `when`",
[PM_ERR_CASE_MATCH_MISSING_PREDICATE] = "Expected a predicate for a case matching statement",
[PM_ERR_CASE_MISSING_CONDITIONS] = "Expected a `when` or `in` clause after `case`",
[PM_ERR_CASE_TERM] = "Expected an `end` to close the `case` statement",
[PM_ERR_CLASS_IN_METHOD] = "Unexpected class definition in a method body",
[PM_ERR_CLASS_NAME] = "Expected a constant name after `class`",
[PM_ERR_CLASS_SUPERCLASS] = "Expected a superclass after `<`",
[PM_ERR_CLASS_TERM] = "Expected an `end` to close the `class` statement",
[PM_ERR_CLASS_UNEXPECTED_END] = "Unexpected `end`, expecting ';' or '\n'",
[PM_ERR_CONDITIONAL_ELSIF_PREDICATE] = "Expected a predicate expression for the `elsif` statement",
[PM_ERR_CONDITIONAL_IF_PREDICATE] = "Expected a predicate expression for the `if` statement",
[PM_ERR_CONDITIONAL_PREDICATE_TERM] = "Expected `then` or `;` or '\n'",
[PM_ERR_CONDITIONAL_TERM] = "Expected an `end` to close the conditional clause",
[PM_ERR_CONDITIONAL_TERM_ELSE] = "Expected an `end` to close the `else` clause",
[PM_ERR_CONDITIONAL_UNLESS_PREDICATE] = "Expected a predicate expression for the `unless` statement",
[PM_ERR_CONDITIONAL_UNTIL_PREDICATE] = "Expected a predicate expression for the `until` statement",
[PM_ERR_CONDITIONAL_WHILE_PREDICATE] = "Expected a predicate expression for the `while` statement",
[PM_ERR_CONSTANT_PATH_COLON_COLON_CONSTANT] = "Expected a constant after the `::` operator",
[PM_ERR_DEF_ENDLESS] = "Could not parse the endless method body",
[PM_ERR_DEF_ENDLESS_SETTER] = "Invalid method name; a setter method cannot be defined in an endless method definition",
[PM_ERR_DEF_NAME] = "Expected a method name",
[PM_ERR_DEF_NAME_AFTER_RECEIVER] = "Expected a method name after the receiver",
[PM_ERR_DEF_PARAMS_TERM] = "Expected a delimiter to close the parameters",
[PM_ERR_DEF_PARAMS_TERM_PAREN] = "Expected a `)` to close the parameters",
[PM_ERR_DEF_RECEIVER] = "Expected a receiver for the method definition",
[PM_ERR_DEF_RECEIVER_TERM] = "Expected a `.` or `::` after the receiver in a method definition",
[PM_ERR_DEF_TERM] = "Expected an `end` to close the `def` statement",
[PM_ERR_DEFINED_EXPRESSION] = "Expected an expression after `defined?`",
[PM_ERR_EMBDOC_TERM] = "Could not find a terminator for the embedded document",
[PM_ERR_EMBEXPR_END] = "Expected a `}` to close the embedded expression",
[PM_ERR_EMBVAR_INVALID] = "Invalid embedded variable",
[PM_ERR_END_UPCASE_BRACE] = "Expected a `{` after `END`",
[PM_ERR_END_UPCASE_TERM] = "Expected a `}` to close the `END` statement",
[PM_ERR_ESCAPE_INVALID_CONTROL] = "Invalid control escape sequence",
[PM_ERR_ESCAPE_INVALID_CONTROL_REPEAT] = "Invalid control escape sequence; control cannot be repeated",
[PM_ERR_ESCAPE_INVALID_HEXADECIMAL] = "Invalid hexadecimal escape sequence",
[PM_ERR_ESCAPE_INVALID_META] = "Invalid meta escape sequence",
[PM_ERR_ESCAPE_INVALID_META_REPEAT] = "Invalid meta escape sequence; meta cannot be repeated",
[PM_ERR_ESCAPE_INVALID_UNICODE] = "Invalid Unicode escape sequence",
[PM_ERR_ESCAPE_INVALID_UNICODE_CM_FLAGS] = "Invalid Unicode escape sequence; Unicode cannot be combined with control or meta flags",
[PM_ERR_ESCAPE_INVALID_UNICODE_LITERAL] = "Invalid Unicode escape sequence; multiple codepoints are not allowed in a character literal",
[PM_ERR_ESCAPE_INVALID_UNICODE_LONG] = "Invalid Unicode escape sequence; maximum length is 6 digits",
[PM_ERR_ESCAPE_INVALID_UNICODE_TERM] = "Invalid Unicode escape sequence; needs closing `}`",
[PM_ERR_EXPECT_ARGUMENT] = "Expected an argument",
[PM_ERR_EXPECT_EOL_AFTER_STATEMENT] = "Expected a newline or semicolon after the statement",
[PM_ERR_EXPECT_EXPRESSION_AFTER_AMPAMPEQ] = "Expected an expression after `&&=`",
[PM_ERR_EXPECT_EXPRESSION_AFTER_PIPEPIPEEQ] = "Expected an expression after `||=`",
[PM_ERR_EXPECT_EXPRESSION_AFTER_COMMA] = "Expected an expression after `,`",
[PM_ERR_EXPECT_EXPRESSION_AFTER_EQUAL] = "Expected an expression after `=`",
[PM_ERR_EXPECT_EXPRESSION_AFTER_LESS_LESS] = "Expected an expression after `<<`",
[PM_ERR_EXPECT_EXPRESSION_AFTER_LPAREN] = "Expected an expression after `(`",
[PM_ERR_EXPECT_EXPRESSION_AFTER_OPERATOR] = "Expected an expression after the operator",
[PM_ERR_EXPECT_EXPRESSION_AFTER_SPLAT] = "Expected an expression after `*` splat in an argument",
[PM_ERR_EXPECT_EXPRESSION_AFTER_SPLAT_HASH] = "Expected an expression after `**` in a hash",
[PM_ERR_EXPECT_EXPRESSION_AFTER_STAR] = "Expected an expression after `*`",
[PM_ERR_EXPECT_IDENT_REQ_PARAMETER] = "Expected an identifier for the required parameter",
[PM_ERR_EXPECT_LPAREN_REQ_PARAMETER] = "Expected a `(` to start a required parameter",
[PM_ERR_EXPECT_RBRACKET] = "Expected a matching `]`",
[PM_ERR_EXPECT_RPAREN] = "Expected a matching `)`",
[PM_ERR_EXPECT_RPAREN_AFTER_MULTI] = "Expected a `)` after multiple assignment",
[PM_ERR_EXPECT_RPAREN_REQ_PARAMETER] = "Expected a `)` to end a required parameter",
[PM_ERR_EXPECT_STRING_CONTENT] = "Expected string content after opening string delimiter",
[PM_ERR_EXPECT_WHEN_DELIMITER] = "Expected a delimiter after the predicates of a `when` clause",
[PM_ERR_EXPRESSION_BARE_HASH] = "Unexpected bare hash in expression",
[PM_ERR_FOR_COLLECTION] = "Expected a collection after the `in` in a `for` statement",
[PM_ERR_FOR_INDEX] = "Expected an index after `for`",
[PM_ERR_FOR_IN] = "Expected an `in` after the index in a `for` statement",
[PM_ERR_FOR_TERM] = "Expected an `end` to close the `for` loop",
[PM_ERR_HASH_EXPRESSION_AFTER_LABEL] = "Expected an expression after the label in a hash",
[PM_ERR_HASH_KEY] = "Expected a key in the hash literal",
[PM_ERR_HASH_ROCKET] = "Expected a `=>` between the hash key and value",
[PM_ERR_HASH_TERM] = "Expected a `}` to close the hash literal",
[PM_ERR_HASH_VALUE] = "Expected a value in the hash literal",
[PM_ERR_HEREDOC_TERM] = "Could not find a terminator for the heredoc",
[PM_ERR_INCOMPLETE_QUESTION_MARK] = "Incomplete expression at `?`",
[PM_ERR_INCOMPLETE_VARIABLE_CLASS] = "Incomplete class variable",
[PM_ERR_INCOMPLETE_VARIABLE_INSTANCE] = "Incomplete instance variable",
[PM_ERR_INVALID_ENCODING_MAGIC_COMMENT] = "Unknown or invalid encoding in the magic comment",
[PM_ERR_INVALID_FLOAT_EXPONENT] = "Invalid exponent",
[PM_ERR_INVALID_NUMBER_BINARY] = "Invalid binary number",
[PM_ERR_INVALID_NUMBER_DECIMAL] = "Invalid decimal number",
[PM_ERR_INVALID_NUMBER_HEXADECIMAL] = "Invalid hexadecimal number",
[PM_ERR_INVALID_NUMBER_OCTAL] = "Invalid octal number",
[PM_ERR_INVALID_NUMBER_UNDERSCORE] = "Invalid underscore placement in number",
[PM_ERR_INVALID_PERCENT] = "Invalid `%` token", // TODO WHAT?
[PM_ERR_INVALID_TOKEN] = "Invalid token", // TODO WHAT?
[PM_ERR_INVALID_VARIABLE_GLOBAL] = "Invalid global variable",
[PM_ERR_LAMBDA_OPEN] = "Expected a `do` keyword or a `{` to open the lambda block",
[PM_ERR_LAMBDA_TERM_BRACE] = "Expected a lambda block beginning with `{` to end with `}`",
[PM_ERR_LAMBDA_TERM_END] = "Expected a lambda block beginning with `do` to end with `end`",
[PM_ERR_LIST_I_LOWER_ELEMENT] = "Expected a symbol in a `%i` list",
[PM_ERR_LIST_I_LOWER_TERM] = "Expected a closing delimiter for the `%i` list",
[PM_ERR_LIST_I_UPPER_ELEMENT] = "Expected a symbol in a `%I` list",
[PM_ERR_LIST_I_UPPER_TERM] = "Expected a closing delimiter for the `%I` list",
[PM_ERR_LIST_W_LOWER_ELEMENT] = "Expected a string in a `%w` list",
[PM_ERR_LIST_W_LOWER_TERM] = "Expected a closing delimiter for the `%w` list",
[PM_ERR_LIST_W_UPPER_ELEMENT] = "Expected a string in a `%W` list",
[PM_ERR_LIST_W_UPPER_TERM] = "Expected a closing delimiter for the `%W` list",
[PM_ERR_MALLOC_FAILED] = "Failed to allocate memory",
[PM_ERR_MODULE_IN_METHOD] = "Unexpected module definition in a method body",
[PM_ERR_MODULE_NAME] = "Expected a constant name after `module`",
[PM_ERR_MODULE_TERM] = "Expected an `end` to close the `module` statement",
[PM_ERR_MULTI_ASSIGN_MULTI_SPLATS] = "Multiple splats in multiple assignment",
[PM_ERR_NOT_EXPRESSION] = "Expected an expression after `not`",
[PM_ERR_NUMBER_LITERAL_UNDERSCORE] = "Number literal ending with a `_`",
[PM_ERR_NUMBERED_PARAMETER_NOT_ALLOWED] = "Numbered parameters are not allowed alongside explicit parameters",
[PM_ERR_NUMBERED_PARAMETER_OUTER_SCOPE] = "Numbered parameter is already used in outer scope",
[PM_ERR_OPERATOR_MULTI_ASSIGN] = "Unexpected operator for a multiple assignment",
[PM_ERR_OPERATOR_WRITE_ARGUMENTS] = "Unexpected operator after a call with arguments",
[PM_ERR_OPERATOR_WRITE_BLOCK] = "Unexpected operator after a call with a block",
[PM_ERR_PARAMETER_ASSOC_SPLAT_MULTI] = "Unexpected multiple `**` splat parameters",
[PM_ERR_PARAMETER_BLOCK_MULTI] = "Multiple block parameters; only one block is allowed",
[PM_ERR_PARAMETER_METHOD_NAME] = "Unexpected name for a parameter",
[PM_ERR_PARAMETER_NAME_REPEAT] = "Repeated parameter name",
[PM_ERR_PARAMETER_NO_DEFAULT] = "Expected a default value for the parameter",
[PM_ERR_PARAMETER_NO_DEFAULT_KW] = "Expected a default value for the keyword parameter",
[PM_ERR_BLOCK_PARAM_LOCAL_VARIABLE] = "expected a local variable name in the block parameters",
[PM_ERR_BLOCK_PARAM_PIPE_TERM] = "expected the block parameters to end with `|`",
[PM_ERR_BLOCK_TERM_BRACE] = "expected a block beginning with `{` to end with `}`",
[PM_ERR_BLOCK_TERM_END] = "expected a block beginning with `do` to end with `end`",
[PM_ERR_CANNOT_PARSE_EXPRESSION] = "cannot parse the expression",
[PM_ERR_CANNOT_PARSE_STRING_PART] = "cannot parse the string part",
[PM_ERR_CASE_EXPRESSION_AFTER_CASE] = "expected an expression after `case`",
[PM_ERR_CASE_EXPRESSION_AFTER_WHEN] = "expected an expression after `when`",
[PM_ERR_CASE_MATCH_MISSING_PREDICATE] = "expected a predicate for a case matching statement",
[PM_ERR_CASE_MISSING_CONDITIONS] = "expected a `when` or `in` clause after `case`",
[PM_ERR_CASE_TERM] = "expected an `end` to close the `case` statement",
[PM_ERR_CLASS_IN_METHOD] = "unexpected class definition in a method body",
[PM_ERR_CLASS_NAME] = "expected a constant name after `class`",
[PM_ERR_CLASS_SUPERCLASS] = "expected a superclass after `<`",
[PM_ERR_CLASS_TERM] = "expected an `end` to close the `class` statement",
[PM_ERR_CLASS_UNEXPECTED_END] = "unexpected `end`, expecting ';' or '\n'",
[PM_ERR_CONDITIONAL_ELSIF_PREDICATE] = "expected a predicate expression for the `elsif` statement",
[PM_ERR_CONDITIONAL_IF_PREDICATE] = "expected a predicate expression for the `if` statement",
[PM_ERR_CONDITIONAL_PREDICATE_TERM] = "expected `then` or `;` or '\n'",
[PM_ERR_CONDITIONAL_TERM] = "expected an `end` to close the conditional clause",
[PM_ERR_CONDITIONAL_TERM_ELSE] = "expected an `end` to close the `else` clause",
[PM_ERR_CONDITIONAL_UNLESS_PREDICATE] = "expected a predicate expression for the `unless` statement",
[PM_ERR_CONDITIONAL_UNTIL_PREDICATE] = "expected a predicate expression for the `until` statement",
[PM_ERR_CONDITIONAL_WHILE_PREDICATE] = "expected a predicate expression for the `while` statement",
[PM_ERR_CONSTANT_PATH_COLON_COLON_CONSTANT] = "expected a constant after the `::` operator",
[PM_ERR_DEF_ENDLESS] = "could not parse the endless method body",
[PM_ERR_DEF_ENDLESS_SETTER] = "invalid method name; a setter method cannot be defined in an endless method definition",
[PM_ERR_DEF_NAME] = "expected a method name",
[PM_ERR_DEF_NAME_AFTER_RECEIVER] = "expected a method name after the receiver",
[PM_ERR_DEF_PARAMS_TERM] = "expected a delimiter to close the parameters",
[PM_ERR_DEF_PARAMS_TERM_PAREN] = "expected a `)` to close the parameters",
[PM_ERR_DEF_RECEIVER] = "expected a receiver for the method definition",
[PM_ERR_DEF_RECEIVER_TERM] = "expected a `.` or `::` after the receiver in a method definition",
[PM_ERR_DEF_TERM] = "expected an `end` to close the `def` statement",
[PM_ERR_DEFINED_EXPRESSION] = "expected an expression after `defined?`",
[PM_ERR_EMBDOC_TERM] = "could not find a terminator for the embedded document",
[PM_ERR_EMBEXPR_END] = "expected a `}` to close the embedded expression",
[PM_ERR_EMBVAR_INVALID] = "invalid embedded variable",
[PM_ERR_END_UPCASE_BRACE] = "expected a `{` after `END`",
[PM_ERR_END_UPCASE_TERM] = "expected a `}` to close the `END` statement",
[PM_ERR_ESCAPE_INVALID_CONTROL] = "invalid control escape sequence",
[PM_ERR_ESCAPE_INVALID_CONTROL_REPEAT] = "invalid control escape sequence; control cannot be repeated",
[PM_ERR_ESCAPE_INVALID_HEXADECIMAL] = "invalid hexadecimal escape sequence",
[PM_ERR_ESCAPE_INVALID_META] = "invalid meta escape sequence",
[PM_ERR_ESCAPE_INVALID_META_REPEAT] = "invalid meta escape sequence; meta cannot be repeated",
[PM_ERR_ESCAPE_INVALID_UNICODE] = "invalid Unicode escape sequence",
[PM_ERR_ESCAPE_INVALID_UNICODE_CM_FLAGS] = "invalid Unicode escape sequence; Unicode cannot be combined with control or meta flags",
[PM_ERR_ESCAPE_INVALID_UNICODE_LITERAL] = "invalid Unicode escape sequence; multiple codepoints are not allowed in a character literal",
[PM_ERR_ESCAPE_INVALID_UNICODE_LONG] = "invalid Unicode escape sequence; maximum length is 6 digits",
[PM_ERR_ESCAPE_INVALID_UNICODE_TERM] = "invalid Unicode escape sequence; needs closing `}`",
[PM_ERR_EXPECT_ARGUMENT] = "expected an argument",
[PM_ERR_EXPECT_EOL_AFTER_STATEMENT] = "expected a newline or semicolon after the statement",
[PM_ERR_EXPECT_EXPRESSION_AFTER_AMPAMPEQ] = "expected an expression after `&&=`",
[PM_ERR_EXPECT_EXPRESSION_AFTER_PIPEPIPEEQ] = "expected an expression after `||=`",
[PM_ERR_EXPECT_EXPRESSION_AFTER_COMMA] = "expected an expression after `,`",
[PM_ERR_EXPECT_EXPRESSION_AFTER_EQUAL] = "expected an expression after `=`",
[PM_ERR_EXPECT_EXPRESSION_AFTER_LESS_LESS] = "expected an expression after `<<`",
[PM_ERR_EXPECT_EXPRESSION_AFTER_LPAREN] = "expected an expression after `(`",
[PM_ERR_EXPECT_EXPRESSION_AFTER_OPERATOR] = "expected an expression after the operator",
[PM_ERR_EXPECT_EXPRESSION_AFTER_SPLAT] = "expected an expression after `*` splat in an argument",
[PM_ERR_EXPECT_EXPRESSION_AFTER_SPLAT_HASH] = "expected an expression after `**` in a hash",
[PM_ERR_EXPECT_EXPRESSION_AFTER_STAR] = "expected an expression after `*`",
[PM_ERR_EXPECT_IDENT_REQ_PARAMETER] = "expected an identifier for the required parameter",
[PM_ERR_EXPECT_LPAREN_REQ_PARAMETER] = "expected a `(` to start a required parameter",
[PM_ERR_EXPECT_RBRACKET] = "expected a matching `]`",
[PM_ERR_EXPECT_RPAREN] = "expected a matching `)`",
[PM_ERR_EXPECT_RPAREN_AFTER_MULTI] = "expected a `)` after multiple assignment",
[PM_ERR_EXPECT_RPAREN_REQ_PARAMETER] = "expected a `)` to end a required parameter",
[PM_ERR_EXPECT_STRING_CONTENT] = "expected string content after opening string delimiter",
[PM_ERR_EXPECT_WHEN_DELIMITER] = "expected a delimiter after the predicates of a `when` clause",
[PM_ERR_EXPRESSION_BARE_HASH] = "unexpected bare hash in expression",
[PM_ERR_FOR_COLLECTION] = "expected a collection after the `in` in a `for` statement",
[PM_ERR_FOR_INDEX] = "expected an index after `for`",
[PM_ERR_FOR_IN] = "expected an `in` after the index in a `for` statement",
[PM_ERR_FOR_TERM] = "expected an `end` to close the `for` loop",
[PM_ERR_HASH_EXPRESSION_AFTER_LABEL] = "expected an expression after the label in a hash",
[PM_ERR_HASH_KEY] = "expected a key in the hash literal",
[PM_ERR_HASH_ROCKET] = "expected a `=>` between the hash key and value",
[PM_ERR_HASH_TERM] = "expected a `}` to close the hash literal",
[PM_ERR_HASH_VALUE] = "expected a value in the hash literal",
[PM_ERR_HEREDOC_TERM] = "could not find a terminator for the heredoc",
[PM_ERR_INCOMPLETE_QUESTION_MARK] = "incomplete expression at `?`",
[PM_ERR_INCOMPLETE_VARIABLE_CLASS] = "incomplete class variable",
[PM_ERR_INCOMPLETE_VARIABLE_INSTANCE] = "incomplete instance variable",
[PM_ERR_INVALID_ENCODING_MAGIC_COMMENT] = "unknown or invalid encoding in the magic comment",
[PM_ERR_INVALID_FLOAT_EXPONENT] = "invalid exponent",
[PM_ERR_INVALID_NUMBER_BINARY] = "invalid binary number",
[PM_ERR_INVALID_NUMBER_DECIMAL] = "invalid decimal number",
[PM_ERR_INVALID_NUMBER_HEXADECIMAL] = "invalid hexadecimal number",
[PM_ERR_INVALID_NUMBER_OCTAL] = "invalid octal number",
[PM_ERR_INVALID_NUMBER_UNDERSCORE] = "invalid underscore placement in number",
[PM_ERR_INVALID_PERCENT] = "invalid `%` token", // TODO WHAT?
[PM_ERR_INVALID_TOKEN] = "invalid token", // TODO WHAT?
[PM_ERR_INVALID_VARIABLE_GLOBAL] = "invalid global variable",
[PM_ERR_LAMBDA_OPEN] = "expected a `do` keyword or a `{` to open the lambda block",
[PM_ERR_LAMBDA_TERM_BRACE] = "expected a lambda block beginning with `{` to end with `}`",
[PM_ERR_LAMBDA_TERM_END] = "expected a lambda block beginning with `do` to end with `end`",
[PM_ERR_LIST_I_LOWER_ELEMENT] = "expected a symbol in a `%i` list",
[PM_ERR_LIST_I_LOWER_TERM] = "expected a closing delimiter for the `%i` list",
[PM_ERR_LIST_I_UPPER_ELEMENT] = "expected a symbol in a `%I` list",
[PM_ERR_LIST_I_UPPER_TERM] = "expected a closing delimiter for the `%I` list",
[PM_ERR_LIST_W_LOWER_ELEMENT] = "expected a string in a `%w` list",
[PM_ERR_LIST_W_LOWER_TERM] = "expected a closing delimiter for the `%w` list",
[PM_ERR_LIST_W_UPPER_ELEMENT] = "expected a string in a `%W` list",
[PM_ERR_LIST_W_UPPER_TERM] = "expected a closing delimiter for the `%W` list",
[PM_ERR_MALLOC_FAILED] = "failed to allocate memory",
[PM_ERR_MODULE_IN_METHOD] = "unexpected module definition in a method body",
[PM_ERR_MODULE_NAME] = "expected a constant name after `module`",
[PM_ERR_MODULE_TERM] = "expected an `end` to close the `module` statement",
[PM_ERR_MULTI_ASSIGN_MULTI_SPLATS] = "multiple splats in multiple assignment",
[PM_ERR_NOT_EXPRESSION] = "expected an expression after `not`",
[PM_ERR_NUMBER_LITERAL_UNDERSCORE] = "number literal ending with a `_`",
[PM_ERR_NUMBERED_PARAMETER_NOT_ALLOWED] = "numbered parameters are not allowed alongside explicit parameters",
[PM_ERR_NUMBERED_PARAMETER_OUTER_SCOPE] = "numbered parameter is already used in outer scope",
[PM_ERR_OPERATOR_MULTI_ASSIGN] = "unexpected operator for a multiple assignment",
[PM_ERR_OPERATOR_WRITE_ARGUMENTS] = "unexpected operator after a call with arguments",
[PM_ERR_OPERATOR_WRITE_BLOCK] = "unexpected operator after a call with a block",
[PM_ERR_PARAMETER_ASSOC_SPLAT_MULTI] = "unexpected multiple `**` splat parameters",
[PM_ERR_PARAMETER_BLOCK_MULTI] = "multiple block parameters; only one block is allowed",
[PM_ERR_PARAMETER_METHOD_NAME] = "unexpected name for a parameter",
[PM_ERR_PARAMETER_NAME_REPEAT] = "repeated parameter name",
[PM_ERR_PARAMETER_NO_DEFAULT] = "expected a default value for the parameter",
[PM_ERR_PARAMETER_NO_DEFAULT_KW] = "expected a default value for the keyword parameter",
[PM_ERR_PARAMETER_NUMBERED_RESERVED] = "%.2s is reserved for a numbered parameter",
[PM_ERR_PARAMETER_ORDER] = "Unexpected parameter order",
[PM_ERR_PARAMETER_SPLAT_MULTI] = "Unexpected multiple `*` splat parameters",
[PM_ERR_PARAMETER_STAR] = "Unexpected parameter `*`",
[PM_ERR_PARAMETER_UNEXPECTED_FWD] = "Unexpected `...` in parameters",
[PM_ERR_PARAMETER_WILD_LOOSE_COMMA] = "Unexpected `,` in parameters",
[PM_ERR_PATTERN_EXPRESSION_AFTER_BRACKET] = "Expected a pattern expression after the `[` operator",
[PM_ERR_PATTERN_EXPRESSION_AFTER_COMMA] = "Expected a pattern expression after `,`",
[PM_ERR_PATTERN_EXPRESSION_AFTER_HROCKET] = "Expected a pattern expression after `=>`",
[PM_ERR_PATTERN_EXPRESSION_AFTER_IN] = "Expected a pattern expression after the `in` keyword",
[PM_ERR_PATTERN_EXPRESSION_AFTER_KEY] = "Expected a pattern expression after the key",
[PM_ERR_PATTERN_EXPRESSION_AFTER_PAREN] = "Expected a pattern expression after the `(` operator",
[PM_ERR_PATTERN_EXPRESSION_AFTER_PIN] = "Expected a pattern expression after the `^` pin operator",
[PM_ERR_PATTERN_EXPRESSION_AFTER_PIPE] = "Expected a pattern expression after the `|` operator",
[PM_ERR_PATTERN_EXPRESSION_AFTER_RANGE] = "Expected a pattern expression after the range operator",
[PM_ERR_PATTERN_HASH_KEY] = "Expected a key in the hash pattern",
[PM_ERR_PATTERN_HASH_KEY_LABEL] = "Expected a label as the key in the hash pattern", // TODO // THIS // AND // ABOVE // IS WEIRD
[PM_ERR_PATTERN_IDENT_AFTER_HROCKET] = "Expected an identifier after the `=>` operator",
[PM_ERR_PATTERN_LABEL_AFTER_COMMA] = "Expected a label after the `,` in the hash pattern",
[PM_ERR_PATTERN_REST] = "Unexpected rest pattern",
[PM_ERR_PATTERN_TERM_BRACE] = "Expected a `}` to close the pattern expression",
[PM_ERR_PATTERN_TERM_BRACKET] = "Expected a `]` to close the pattern expression",
[PM_ERR_PATTERN_TERM_PAREN] = "Expected a `)` to close the pattern expression",
[PM_ERR_PIPEPIPEEQ_MULTI_ASSIGN] = "Unexpected `||=` in a multiple assignment",
[PM_ERR_REGEXP_TERM] = "Expected a closing delimiter for the regular expression",
[PM_ERR_RESCUE_EXPRESSION] = "Expected a rescued expression",
[PM_ERR_RESCUE_MODIFIER_VALUE] = "Expected a value after the `rescue` modifier",
[PM_ERR_RESCUE_TERM] = "Expected a closing delimiter for the `rescue` clause",
[PM_ERR_RESCUE_VARIABLE] = "Expected an exception variable after `=>` in a rescue statement",
[PM_ERR_RETURN_INVALID] = "Invalid `return` in a class or module body",
[PM_ERR_STATEMENT_ALIAS] = "Unexpected an `alias` at a non-statement position",
[PM_ERR_STATEMENT_POSTEXE_END] = "Unexpected an `END` at a non-statement position",
[PM_ERR_STATEMENT_PREEXE_BEGIN] = "Unexpected a `BEGIN` at a non-statement position",
[PM_ERR_STATEMENT_UNDEF] = "Unexpected an `undef` at a non-statement position",
[PM_ERR_STRING_CONCATENATION] = "Expected a string for concatenation",
[PM_ERR_STRING_INTERPOLATED_TERM] = "Expected a closing delimiter for the interpolated string",
[PM_ERR_STRING_LITERAL_TERM] = "Expected a closing delimiter for the string literal",
[PM_ERR_SYMBOL_INVALID] = "Invalid symbol", // TODO expected symbol? prism.c ~9719
[PM_ERR_SYMBOL_TERM_DYNAMIC] = "Expected a closing delimiter for the dynamic symbol",
[PM_ERR_SYMBOL_TERM_INTERPOLATED] = "Expected a closing delimiter for the interpolated symbol",
[PM_ERR_TERNARY_COLON] = "Expected a `:` after the true expression of a ternary operator",
[PM_ERR_TERNARY_EXPRESSION_FALSE] = "Expected an expression after `:` in the ternary operator",
[PM_ERR_TERNARY_EXPRESSION_TRUE] = "Expected an expression after `?` in the ternary operator",
[PM_ERR_UNDEF_ARGUMENT] = "Invalid argument being passed to `undef`; expected a bare word, constant, or symbol argument",
[PM_ERR_UNARY_RECEIVER_BANG] = "Expected a receiver for unary `!`",
[PM_ERR_UNARY_RECEIVER_MINUS] = "Expected a receiver for unary `-`",
[PM_ERR_UNARY_RECEIVER_PLUS] = "Expected a receiver for unary `+`",
[PM_ERR_UNARY_RECEIVER_TILDE] = "Expected a receiver for unary `~`",
[PM_ERR_UNTIL_TERM] = "Expected an `end` to close the `until` statement",
[PM_ERR_VOID_EXPRESSION] = "Unexpected void value expression",
[PM_ERR_WHILE_TERM] = "Expected an `end` to close the `while` statement",
[PM_ERR_WRITE_TARGET_READONLY] = "Immutable variable as a write target",
[PM_ERR_WRITE_TARGET_UNEXPECTED] = "Unexpected write target",
[PM_ERR_XSTRING_TERM] = "Expected a closing delimiter for the `%x` or backtick string",
[PM_WARN_AMBIGUOUS_FIRST_ARGUMENT_MINUS] = "Ambiguous first argument; put parentheses or a space even after `-` operator",
[PM_WARN_AMBIGUOUS_FIRST_ARGUMENT_PLUS] = "Ambiguous first argument; put parentheses or a space even after `+` operator",
[PM_WARN_AMBIGUOUS_PREFIX_STAR] = "Ambiguous `*` has been interpreted as an argument prefix",
[PM_WARN_AMBIGUOUS_SLASH] = "Ambiguous `/`; wrap regexp in parentheses or add a space after `/` operator",
[PM_ERR_PARAMETER_ORDER] = "unexpected parameter order",
[PM_ERR_PARAMETER_SPLAT_MULTI] = "unexpected multiple `*` splat parameters",
[PM_ERR_PARAMETER_STAR] = "unexpected parameter `*`",
[PM_ERR_PARAMETER_UNEXPECTED_FWD] = "unexpected `...` in parameters",
[PM_ERR_PARAMETER_WILD_LOOSE_COMMA] = "unexpected `,` in parameters",
[PM_ERR_PATTERN_EXPRESSION_AFTER_BRACKET] = "expected a pattern expression after the `[` operator",
[PM_ERR_PATTERN_EXPRESSION_AFTER_COMMA] = "expected a pattern expression after `,`",
[PM_ERR_PATTERN_EXPRESSION_AFTER_HROCKET] = "expected a pattern expression after `=>`",
[PM_ERR_PATTERN_EXPRESSION_AFTER_IN] = "expected a pattern expression after the `in` keyword",
[PM_ERR_PATTERN_EXPRESSION_AFTER_KEY] = "expected a pattern expression after the key",
[PM_ERR_PATTERN_EXPRESSION_AFTER_PAREN] = "expected a pattern expression after the `(` operator",
[PM_ERR_PATTERN_EXPRESSION_AFTER_PIN] = "expected a pattern expression after the `^` pin operator",
[PM_ERR_PATTERN_EXPRESSION_AFTER_PIPE] = "expected a pattern expression after the `|` operator",
[PM_ERR_PATTERN_EXPRESSION_AFTER_RANGE] = "expected a pattern expression after the range operator",
[PM_ERR_PATTERN_HASH_KEY] = "expected a key in the hash pattern",
[PM_ERR_PATTERN_HASH_KEY_LABEL] = "expected a label as the key in the hash pattern", // TODO // THIS // AND // ABOVE // IS WEIRD
[PM_ERR_PATTERN_IDENT_AFTER_HROCKET] = "expected an identifier after the `=>` operator",
[PM_ERR_PATTERN_LABEL_AFTER_COMMA] = "expected a label after the `,` in the hash pattern",
[PM_ERR_PATTERN_REST] = "unexpected rest pattern",
[PM_ERR_PATTERN_TERM_BRACE] = "expected a `}` to close the pattern expression",
[PM_ERR_PATTERN_TERM_BRACKET] = "expected a `]` to close the pattern expression",
[PM_ERR_PATTERN_TERM_PAREN] = "expected a `)` to close the pattern expression",
[PM_ERR_PIPEPIPEEQ_MULTI_ASSIGN] = "unexpected `||=` in a multiple assignment",
[PM_ERR_REGEXP_TERM] = "expected a closing delimiter for the regular expression",
[PM_ERR_RESCUE_EXPRESSION] = "expected a rescued expression",
[PM_ERR_RESCUE_MODIFIER_VALUE] = "expected a value after the `rescue` modifier",
[PM_ERR_RESCUE_TERM] = "expected a closing delimiter for the `rescue` clause",
[PM_ERR_RESCUE_VARIABLE] = "expected an exception variable after `=>` in a rescue statement",
[PM_ERR_RETURN_INVALID] = "invalid `return` in a class or module body",
[PM_ERR_STATEMENT_ALIAS] = "unexpected an `alias` at a non-statement position",
[PM_ERR_STATEMENT_POSTEXE_END] = "unexpected an `END` at a non-statement position",
[PM_ERR_STATEMENT_PREEXE_BEGIN] = "unexpected a `BEGIN` at a non-statement position",
[PM_ERR_STATEMENT_UNDEF] = "unexpected an `undef` at a non-statement position",
[PM_ERR_STRING_CONCATENATION] = "expected a string for concatenation",
[PM_ERR_STRING_INTERPOLATED_TERM] = "expected a closing delimiter for the interpolated string",
[PM_ERR_STRING_LITERAL_TERM] = "expected a closing delimiter for the string literal",
[PM_ERR_SYMBOL_INVALID] = "invalid symbol", // TODO expected symbol? prism.c ~9719
[PM_ERR_SYMBOL_TERM_DYNAMIC] = "expected a closing delimiter for the dynamic symbol",
[PM_ERR_SYMBOL_TERM_INTERPOLATED] = "expected a closing delimiter for the interpolated symbol",
[PM_ERR_TERNARY_COLON] = "expected a `:` after the true expression of a ternary operator",
[PM_ERR_TERNARY_EXPRESSION_FALSE] = "expected an expression after `:` in the ternary operator",
[PM_ERR_TERNARY_EXPRESSION_TRUE] = "expected an expression after `?` in the ternary operator",
[PM_ERR_UNDEF_ARGUMENT] = "invalid argument being passed to `undef`; expected a bare word, constant, or symbol argument",
[PM_ERR_UNARY_RECEIVER_BANG] = "expected a receiver for unary `!`",
[PM_ERR_UNARY_RECEIVER_MINUS] = "expected a receiver for unary `-`",
[PM_ERR_UNARY_RECEIVER_PLUS] = "expected a receiver for unary `+`",
[PM_ERR_UNARY_RECEIVER_TILDE] = "expected a receiver for unary `~`",
[PM_ERR_UNTIL_TERM] = "expected an `end` to close the `until` statement",
[PM_ERR_VOID_EXPRESSION] = "unexpected void value expression",
[PM_ERR_WHILE_TERM] = "expected an `end` to close the `while` statement",
[PM_ERR_WRITE_TARGET_READONLY] = "immutable variable as a write target",
[PM_ERR_WRITE_TARGET_UNEXPECTED] = "unexpected write target",
[PM_ERR_XSTRING_TERM] = "expected a closing delimiter for the `%x` or backtick string",
[PM_WARN_AMBIGUOUS_FIRST_ARGUMENT_MINUS] = "ambiguous first argument; put parentheses or a space even after `-` operator",
[PM_WARN_AMBIGUOUS_FIRST_ARGUMENT_PLUS] = "ambiguous first argument; put parentheses or a space even after `+` operator",
[PM_WARN_AMBIGUOUS_PREFIX_STAR] = "ambiguous `*` has been interpreted as an argument prefix",
[PM_WARN_AMBIGUOUS_SLASH] = "ambiguous `/`; wrap regexp in parentheses or add a space after `/` operator",
[PM_WARN_END_IN_METHOD] = "END in method; use at_exit",
};

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test/prism/errors_test.rb
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