Sync to prism rename commits

1 files changed, 211 insertions, 211 deletions

diff --git a/prism/diagnostic.c b/prism/diagnostic.c
index 60a80ece17..d54bbe87ec 100644
--- a/prism/diagnostic.c
+++ b/prism/diagnostic.c
@@ -1,4 +1,4 @@
-#include "yarp/diagnostic.h"
+#include "prism/diagnostic.h"
 
 /*
   ## Message composition
@@ -39,7 +39,7 @@
     - e.g., "`*` splat argument" is clearer and more complete than "splat argument" or "`*` argument"
 
 
-  ## Error names (YP_ERR_*)
+  ## Error names (PM_ERR_*)
 
   - When appropriate, prefer node name to token name.
     - e.g., prefer "SPLAT" to "STAR" in the context of argument parsing.
@@ -48,213 +48,213 @@
   - Try to order the words in the name from more general to more specific,
     - e.g., "INVALID_NUMBER_DECIMAL" is better than "DECIMAL_INVALID_NUMBER".
     - When in doubt, look for similar patterns and name them so that they are grouped when lexically
-      sorted. See YP_ERR_ARGUMENT_NO_FORWARDING_* for an example.
+      sorted. See PM_ERR_ARGUMENT_NO_FORWARDING_* for an example.
 */
 
-static const char* const diagnostic_messages[YP_DIAGNOSTIC_ID_LEN] = {
-    [YP_ERR_ALIAS_ARGUMENT]                     = "Invalid argument being passed to `alias`; expected a bare word, symbol, constant, or global variable",
-    [YP_ERR_AMPAMPEQ_MULTI_ASSIGN]              = "Unexpected `&&=` in a multiple assignment",
-    [YP_ERR_ARGUMENT_AFTER_BLOCK]               = "Unexpected argument after a block argument",
-    [YP_ERR_ARGUMENT_BARE_HASH]                 = "Unexpected bare hash argument",
-    [YP_ERR_ARGUMENT_BLOCK_MULTI]               = "Multiple block arguments; only one block is allowed",
-    [YP_ERR_ARGUMENT_FORMAL_CLASS]              = "Invalid formal argument; formal argument cannot be a class variable",
-    [YP_ERR_ARGUMENT_FORMAL_CONSTANT]           = "Invalid formal argument; formal argument cannot be a constant",
-    [YP_ERR_ARGUMENT_FORMAL_GLOBAL]             = "Invalid formal argument; formal argument cannot be a global variable",
-    [YP_ERR_ARGUMENT_FORMAL_IVAR]               = "Invalid formal argument; formal argument cannot be an instance variable",
-    [YP_ERR_ARGUMENT_NO_FORWARDING_AMP]         = "Unexpected `&` when the parent method is not forwarding",
-    [YP_ERR_ARGUMENT_NO_FORWARDING_ELLIPSES]    = "Unexpected `...` when the parent method is not forwarding",
-    [YP_ERR_ARGUMENT_NO_FORWARDING_STAR]        = "Unexpected `*` when the parent method is not forwarding",
-    [YP_ERR_ARGUMENT_SPLAT_AFTER_ASSOC_SPLAT]   = "Unexpected `*` splat argument after a `**` keyword splat argument",
-    [YP_ERR_ARGUMENT_SPLAT_AFTER_SPLAT]         = "Unexpected `*` splat argument after a `*` splat argument",
-    [YP_ERR_ARGUMENT_TERM_PAREN]                = "Expected a `)` to close the arguments",
-    [YP_ERR_ARGUMENT_UNEXPECTED_BLOCK]          = "Unexpected `{` after a method call without parenthesis",
-    [YP_ERR_ARRAY_ELEMENT]                      = "Expected an element for the array",
-    [YP_ERR_ARRAY_EXPRESSION]                   = "Expected an expression for the array element",
-    [YP_ERR_ARRAY_EXPRESSION_AFTER_STAR]        = "Expected an expression after `*` in the array",
-    [YP_ERR_ARRAY_SEPARATOR]                    = "Expected a `,` separator for the array elements",
-    [YP_ERR_ARRAY_TERM]                         = "Expected a `]` to close the array",
-    [YP_ERR_BEGIN_LONELY_ELSE]                  = "Unexpected `else` in `begin` block; a `rescue` clause must precede `else`",
-    [YP_ERR_BEGIN_TERM]                         = "Expected an `end` to close the `begin` statement",
-    [YP_ERR_BEGIN_UPCASE_BRACE]                 = "Expected a `{` after `BEGIN`",
-    [YP_ERR_BEGIN_UPCASE_TERM]                  = "Expected a `}` to close the `BEGIN` statement",
-    [YP_ERR_BEGIN_UPCASE_TOPLEVEL]              = "BEGIN is permitted only at toplevel",
-    [YP_ERR_BLOCK_PARAM_LOCAL_VARIABLE]         = "Expected a local variable name in the block parameters",
-    [YP_ERR_BLOCK_PARAM_PIPE_TERM]              = "Expected the block parameters to end with `|`",
-    [YP_ERR_BLOCK_TERM_BRACE]                   = "Expected a block beginning with `{` to end with `}`",
-    [YP_ERR_BLOCK_TERM_END]                     = "Expected a block beginning with `do` to end with `end`",
-    [YP_ERR_CANNOT_PARSE_EXPRESSION]            = "Cannot parse the expression",
-    [YP_ERR_CANNOT_PARSE_STRING_PART]           = "Cannot parse the string part",
-    [YP_ERR_CASE_EXPRESSION_AFTER_CASE]         = "Expected an expression after `case`",
-    [YP_ERR_CASE_EXPRESSION_AFTER_WHEN]         = "Expected an expression after `when`",
-    [YP_ERR_CASE_MISSING_CONDITIONS]            = "Expected a `when` or `in` clause after `case`",
-    [YP_ERR_CASE_TERM]                          = "Expected an `end` to close the `case` statement",
-    [YP_ERR_CLASS_IN_METHOD]                    = "Unexpected class definition in a method body",
-    [YP_ERR_CLASS_NAME]                         = "Expected a constant name after `class`",
-    [YP_ERR_CLASS_SUPERCLASS]                   = "Expected a superclass after `<`",
-    [YP_ERR_CLASS_TERM]                         = "Expected an `end` to close the `class` statement",
-    [YP_ERR_CONDITIONAL_ELSIF_PREDICATE]        = "Expected a predicate expression for the `elsif` statement",
-    [YP_ERR_CONDITIONAL_IF_PREDICATE]           = "Expected a predicate expression for the `if` statement",
-    [YP_ERR_CONDITIONAL_PREDICATE_TERM]         = "Expected `then` or `;` or '\n'",
-    [YP_ERR_CONDITIONAL_TERM]                   = "Expected an `end` to close the conditional clause",
-    [YP_ERR_CONDITIONAL_TERM_ELSE]              = "Expected an `end` to close the `else` clause",
-    [YP_ERR_CONDITIONAL_UNLESS_PREDICATE]       = "Expected a predicate expression for the `unless` statement",
-    [YP_ERR_CONDITIONAL_UNTIL_PREDICATE]        = "Expected a predicate expression for the `until` statement",
-    [YP_ERR_CONDITIONAL_WHILE_PREDICATE]        = "Expected a predicate expression for the `while` statement",
-    [YP_ERR_CONSTANT_PATH_COLON_COLON_CONSTANT] = "Expected a constant after the `::` operator",
-    [YP_ERR_DEF_ENDLESS]                        = "Could not parse the endless method body",
-    [YP_ERR_DEF_ENDLESS_SETTER]                 = "Invalid method name; a setter method cannot be defined in an endless method definition",
-    [YP_ERR_DEF_NAME]                           = "Expected a method name",
-    [YP_ERR_DEF_NAME_AFTER_RECEIVER]            = "Expected a method name after the receiver",
-    [YP_ERR_DEF_PARAMS_TERM]                    = "Expected a delimiter to close the parameters",
-    [YP_ERR_DEF_PARAMS_TERM_PAREN]              = "Expected a `)` to close the parameters",
-    [YP_ERR_DEF_RECEIVER]                       = "Expected a receiver for the method definition",
-    [YP_ERR_DEF_RECEIVER_TERM]                  = "Expected a `.` or `::` after the receiver in a method definition",
-    [YP_ERR_DEF_TERM]                           = "Expected an `end` to close the `def` statement",
-    [YP_ERR_DEFINED_EXPRESSION]                 = "Expected an expression after `defined?`",
-    [YP_ERR_EMBDOC_TERM]                        = "Could not find a terminator for the embedded document",
-    [YP_ERR_EMBEXPR_END]                        = "Expected a `}` to close the embedded expression",
-    [YP_ERR_EMBVAR_INVALID]                     = "Invalid embedded variable",
-    [YP_ERR_END_UPCASE_BRACE]                   = "Expected a `{` after `END`",
-    [YP_ERR_END_UPCASE_TERM]                    = "Expected a `}` to close the `END` statement",
-    [YP_ERR_ESCAPE_INVALID_CONTROL]             = "Invalid control escape sequence",
-    [YP_ERR_ESCAPE_INVALID_CONTROL_REPEAT]      = "Invalid control escape sequence; control cannot be repeated",
-    [YP_ERR_ESCAPE_INVALID_HEXADECIMAL]         = "Invalid hexadecimal escape sequence",
-    [YP_ERR_ESCAPE_INVALID_META]                = "Invalid meta escape sequence",
-    [YP_ERR_ESCAPE_INVALID_META_REPEAT]         = "Invalid meta escape sequence; meta cannot be repeated",
-    [YP_ERR_ESCAPE_INVALID_UNICODE]             = "Invalid Unicode escape sequence",
-    [YP_ERR_ESCAPE_INVALID_UNICODE_CM_FLAGS]    = "Invalid Unicode escape sequence; Unicode cannot be combined with control or meta flags",
-    [YP_ERR_ESCAPE_INVALID_UNICODE_LITERAL]     = "Invalid Unicode escape sequence; multiple codepoints are not allowed in a character literal",
-    [YP_ERR_ESCAPE_INVALID_UNICODE_LONG]        = "Invalid Unicode escape sequence; maximum length is 6 digits",
-    [YP_ERR_ESCAPE_INVALID_UNICODE_TERM]        = "Invalid Unicode escape sequence; needs closing `}`",
-    [YP_ERR_EXPECT_ARGUMENT]                    = "Expected an argument",
-    [YP_ERR_EXPECT_EOL_AFTER_STATEMENT]         = "Expected a newline or semicolon after the statement",
-    [YP_ERR_EXPECT_EXPRESSION_AFTER_AMPAMPEQ]   = "Expected an expression after `&&=`",
-    [YP_ERR_EXPECT_EXPRESSION_AFTER_PIPEPIPEEQ] = "Expected an expression after `||=`",
-    [YP_ERR_EXPECT_EXPRESSION_AFTER_COMMA]      = "Expected an expression after `,`",
-    [YP_ERR_EXPECT_EXPRESSION_AFTER_EQUAL]      = "Expected an expression after `=`",
-    [YP_ERR_EXPECT_EXPRESSION_AFTER_LESS_LESS]  = "Expected an expression after `<<`",
-    [YP_ERR_EXPECT_EXPRESSION_AFTER_LPAREN]     = "Expected an expression after `(`",
-    [YP_ERR_EXPECT_EXPRESSION_AFTER_OPERATOR]   = "Expected an expression after the operator",
-    [YP_ERR_EXPECT_EXPRESSION_AFTER_SPLAT]      = "Expected an expression after `*` splat in an argument",
-    [YP_ERR_EXPECT_EXPRESSION_AFTER_SPLAT_HASH] = "Expected an expression after `**` in a hash",
-    [YP_ERR_EXPECT_EXPRESSION_AFTER_STAR]       = "Expected an expression after `*`",
-    [YP_ERR_EXPECT_IDENT_REQ_PARAMETER]         = "Expected an identifier for the required parameter",
-    [YP_ERR_EXPECT_LPAREN_REQ_PARAMETER]        = "Expected a `(` to start a required parameter",
-    [YP_ERR_EXPECT_RBRACKET]                    = "Expected a matching `]`",
-    [YP_ERR_EXPECT_RPAREN]                      = "Expected a matching `)`",
-    [YP_ERR_EXPECT_RPAREN_AFTER_MULTI]          = "Expected a `)` after multiple assignment",
-    [YP_ERR_EXPECT_RPAREN_REQ_PARAMETER]        = "Expected a `)` to end a required parameter",
-    [YP_ERR_EXPECT_STRING_CONTENT]              = "Expected string content after opening string delimiter",
-    [YP_ERR_EXPECT_WHEN_DELIMITER]              = "Expected a delimiter after the predicates of a `when` clause",
-    [YP_ERR_EXPRESSION_BARE_HASH]               = "Unexpected bare hash in expression",
-    [YP_ERR_FOR_COLLECTION]                     = "Expected a collection after the `in` in a `for` statement",
-    [YP_ERR_FOR_INDEX]                          = "Expected an index after `for`",
-    [YP_ERR_FOR_IN]                             = "Expected an `in` after the index in a `for` statement",
-    [YP_ERR_FOR_TERM]                           = "Expected an `end` to close the `for` loop",
-    [YP_ERR_HASH_EXPRESSION_AFTER_LABEL]        = "Expected an expression after the label in a hash",
-    [YP_ERR_HASH_KEY]                           = "Expected a key in the hash literal",
-    [YP_ERR_HASH_ROCKET]                        = "Expected a `=>` between the hash key and value",
-    [YP_ERR_HASH_TERM]                          = "Expected a `}` to close the hash literal",
-    [YP_ERR_HASH_VALUE]                         = "Expected a value in the hash literal",
-    [YP_ERR_HEREDOC_TERM]                       = "Could not find a terminator for the heredoc",
-    [YP_ERR_INCOMPLETE_QUESTION_MARK]           = "Incomplete expression at `?`",
-    [YP_ERR_INCOMPLETE_VARIABLE_CLASS]          = "Incomplete class variable",
-    [YP_ERR_INCOMPLETE_VARIABLE_INSTANCE]       = "Incomplete instance variable",
-    [YP_ERR_INVALID_ENCODING_MAGIC_COMMENT]     = "Unknown or invalid encoding in the magic comment",
-    [YP_ERR_INVALID_FLOAT_EXPONENT]             = "Invalid exponent",
-    [YP_ERR_INVALID_NUMBER_BINARY]              = "Invalid binary number",
-    [YP_ERR_INVALID_NUMBER_DECIMAL]             = "Invalid decimal number",
-    [YP_ERR_INVALID_NUMBER_HEXADECIMAL]         = "Invalid hexadecimal number",
-    [YP_ERR_INVALID_NUMBER_OCTAL]               = "Invalid octal number",
-    [YP_ERR_INVALID_NUMBER_UNDERSCORE]          = "Invalid underscore placement in number",
-    [YP_ERR_INVALID_PERCENT]                    = "Invalid `%` token", // TODO WHAT?
-    [YP_ERR_INVALID_TOKEN]                      = "Invalid token", // TODO WHAT?
-    [YP_ERR_INVALID_VARIABLE_GLOBAL]            = "Invalid global variable",
-    [YP_ERR_LAMBDA_OPEN]                        = "Expected a `do` keyword or a `{` to open the lambda block",
-    [YP_ERR_LAMBDA_TERM_BRACE]                  = "Expected a lambda block beginning with `{` to end with `}`",
-    [YP_ERR_LAMBDA_TERM_END]                    = "Expected a lambda block beginning with `do` to end with `end`",
-    [YP_ERR_LIST_I_LOWER_ELEMENT]               = "Expected a symbol in a `%i` list",
-    [YP_ERR_LIST_I_LOWER_TERM]                  = "Expected a closing delimiter for the `%i` list",
-    [YP_ERR_LIST_I_UPPER_ELEMENT]               = "Expected a symbol in a `%I` list",
-    [YP_ERR_LIST_I_UPPER_TERM]                  = "Expected a closing delimiter for the `%I` list",
-    [YP_ERR_LIST_W_LOWER_ELEMENT]               = "Expected a string in a `%w` list",
-    [YP_ERR_LIST_W_LOWER_TERM]                  = "Expected a closing delimiter for the `%w` list",
-    [YP_ERR_LIST_W_UPPER_ELEMENT]               = "Expected a string in a `%W` list",
-    [YP_ERR_LIST_W_UPPER_TERM]                  = "Expected a closing delimiter for the `%W` list",
-    [YP_ERR_MALLOC_FAILED]                      = "Failed to allocate memory",
-    [YP_ERR_MODULE_IN_METHOD]                   = "Unexpected module definition in a method body",
-    [YP_ERR_MODULE_NAME]                        = "Expected a constant name after `module`",
-    [YP_ERR_MODULE_TERM]                        = "Expected an `end` to close the `module` statement",
-    [YP_ERR_MULTI_ASSIGN_MULTI_SPLATS]          = "Multiple splats in multiple assignment",
-    [YP_ERR_NOT_EXPRESSION]                     = "Expected an expression after `not`",
-    [YP_ERR_NUMBER_LITERAL_UNDERSCORE]          = "Number literal ending with a `_`",
-    [YP_ERR_NUMBERED_PARAMETER_NOT_ALLOWED]     = "Numbered parameters are not allowed alongside explicit parameters",
-    [YP_ERR_NUMBERED_PARAMETER_OUTER_SCOPE]     = "Numbered parameter is already used in outer scope",
-    [YP_ERR_OPERATOR_MULTI_ASSIGN]              = "Unexpected operator for a multiple assignment",
-    [YP_ERR_OPERATOR_WRITE_BLOCK]               = "Unexpected operator after a call with a block",
-    [YP_ERR_PARAMETER_ASSOC_SPLAT_MULTI]        = "Unexpected multiple `**` splat parameters",
-    [YP_ERR_PARAMETER_BLOCK_MULTI]              = "Multiple block parameters; only one block is allowed",
-    [YP_ERR_PARAMETER_METHOD_NAME]              = "Unexpected name for a parameter",
-    [YP_ERR_PARAMETER_NAME_REPEAT]              = "Repeated parameter name",
-    [YP_ERR_PARAMETER_NO_DEFAULT]               = "Expected a default value for the parameter",
-    [YP_ERR_PARAMETER_NO_DEFAULT_KW]            = "Expected a default value for the keyword parameter",
-    [YP_ERR_PARAMETER_NUMBERED_RESERVED]        = "Token reserved for a numbered parameter",
-    [YP_ERR_PARAMETER_ORDER]                    = "Unexpected parameter order",
-    [YP_ERR_PARAMETER_SPLAT_MULTI]              = "Unexpected multiple `*` splat parameters",
-    [YP_ERR_PARAMETER_STAR]                     = "Unexpected parameter `*`",
-    [YP_ERR_PARAMETER_WILD_LOOSE_COMMA]         = "Unexpected `,` in parameters",
-    [YP_ERR_PATTERN_EXPRESSION_AFTER_BRACKET]   = "Expected a pattern expression after the `[` operator",
-    [YP_ERR_PATTERN_EXPRESSION_AFTER_COMMA]     = "Expected a pattern expression after `,`",
-    [YP_ERR_PATTERN_EXPRESSION_AFTER_HROCKET]   = "Expected a pattern expression after `=>`",
-    [YP_ERR_PATTERN_EXPRESSION_AFTER_IN]        = "Expected a pattern expression after the `in` keyword",
-    [YP_ERR_PATTERN_EXPRESSION_AFTER_KEY]       = "Expected a pattern expression after the key",
-    [YP_ERR_PATTERN_EXPRESSION_AFTER_PAREN]     = "Expected a pattern expression after the `(` operator",
-    [YP_ERR_PATTERN_EXPRESSION_AFTER_PIN]       = "Expected a pattern expression after the `^` pin operator",
-    [YP_ERR_PATTERN_EXPRESSION_AFTER_PIPE]      = "Expected a pattern expression after the `|` operator",
-    [YP_ERR_PATTERN_EXPRESSION_AFTER_RANGE]     = "Expected a pattern expression after the range operator",
-    [YP_ERR_PATTERN_HASH_KEY]                   = "Expected a key in the hash pattern",
-    [YP_ERR_PATTERN_HASH_KEY_LABEL]             = "Expected a label as the key in the hash pattern", // TODO // THIS // AND // ABOVE // IS WEIRD
-    [YP_ERR_PATTERN_IDENT_AFTER_HROCKET]        = "Expected an identifier after the `=>` operator",
-    [YP_ERR_PATTERN_LABEL_AFTER_COMMA]          = "Expected a label after the `,` in the hash pattern",
-    [YP_ERR_PATTERN_REST]                       = "Unexpected rest pattern",
-    [YP_ERR_PATTERN_TERM_BRACE]                 = "Expected a `}` to close the pattern expression",
-    [YP_ERR_PATTERN_TERM_BRACKET]               = "Expected a `]` to close the pattern expression",
-    [YP_ERR_PATTERN_TERM_PAREN]                 = "Expected a `)` to close the pattern expression",
-    [YP_ERR_PIPEPIPEEQ_MULTI_ASSIGN]            = "Unexpected `||=` in a multiple assignment",
-    [YP_ERR_REGEXP_TERM]                        = "Expected a closing delimiter for the regular expression",
-    [YP_ERR_RESCUE_EXPRESSION]                  = "Expected a rescued expression",
-    [YP_ERR_RESCUE_MODIFIER_VALUE]              = "Expected a value after the `rescue` modifier",
-    [YP_ERR_RESCUE_TERM]                        = "Expected a closing delimiter for the `rescue` clause",
-    [YP_ERR_RESCUE_VARIABLE]                    = "Expected an exception variable after `=>` in a rescue statement",
-    [YP_ERR_RETURN_INVALID]                     = "Invalid `return` in a class or module body",
-    [YP_ERR_STRING_CONCATENATION]               = "Expected a string for concatenation",
-    [YP_ERR_STRING_INTERPOLATED_TERM]           = "Expected a closing delimiter for the interpolated string",
-    [YP_ERR_STRING_LITERAL_TERM]                = "Expected a closing delimiter for the string literal",
-    [YP_ERR_SYMBOL_INVALID]                     = "Invalid symbol", // TODO expected symbol? yarp.c ~9719
-    [YP_ERR_SYMBOL_TERM_DYNAMIC]                = "Expected a closing delimiter for the dynamic symbol",
-    [YP_ERR_SYMBOL_TERM_INTERPOLATED]           = "Expected a closing delimiter for the interpolated symbol",
-    [YP_ERR_TERNARY_COLON]                      = "Expected a `:` after the true expression of a ternary operator",
-    [YP_ERR_TERNARY_EXPRESSION_FALSE]           = "Expected an expression after `:` in the ternary operator",
-    [YP_ERR_TERNARY_EXPRESSION_TRUE]            = "Expected an expression after `?` in the ternary operator",
-    [YP_ERR_UNDEF_ARGUMENT]                     = "Invalid argument being passed to `undef`; expected a bare word, constant, or symbol argument",
-    [YP_ERR_UNARY_RECEIVER_BANG]                = "Expected a receiver for unary `!`",
-    [YP_ERR_UNARY_RECEIVER_MINUS]               = "Expected a receiver for unary `-`",
-    [YP_ERR_UNARY_RECEIVER_PLUS]                = "Expected a receiver for unary `+`",
-    [YP_ERR_UNARY_RECEIVER_TILDE]               = "Expected a receiver for unary `~`",
-    [YP_ERR_UNTIL_TERM]                         = "Expected an `end` to close the `until` statement",
-    [YP_ERR_WHILE_TERM]                         = "Expected an `end` to close the `while` statement",
-    [YP_ERR_WRITE_TARGET_READONLY]              = "Immutable variable as a write target",
-    [YP_ERR_WRITE_TARGET_UNEXPECTED]            = "Unexpected write target",
-    [YP_ERR_XSTRING_TERM]                       = "Expected a closing delimiter for the `%x` or backtick string",
-    [YP_WARN_AMBIGUOUS_FIRST_ARGUMENT_MINUS]    = "Ambiguous first argument; put parentheses or a space even after `-` operator",
-    [YP_WARN_AMBIGUOUS_FIRST_ARGUMENT_PLUS]     = "Ambiguous first argument; put parentheses or a space even after `+` operator",
-    [YP_WARN_AMBIGUOUS_PREFIX_STAR]             = "Ambiguous `*` has been interpreted as an argument prefix",
-    [YP_WARN_AMBIGUOUS_SLASH]                   = "Ambiguous `/`; wrap regexp in parentheses or add a space after `/` operator",
+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_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_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_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_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_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]        = "Token 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_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_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_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",
 };
 
 static const char*
-yp_diagnostic_message(yp_diagnostic_id_t diag_id) {
-    assert(diag_id < YP_DIAGNOSTIC_ID_LEN);
+pm_diagnostic_message(pm_diagnostic_id_t diag_id) {
+    assert(diag_id < PM_DIAGNOSTIC_ID_LEN);
     const char *message = diagnostic_messages[diag_id];
     assert(message);
     return message;
@@ -262,24 +262,24 @@ yp_diagnostic_message(yp_diagnostic_id_t diag_id) {
 
 // Append an error to the given list of diagnostic.
 bool
-yp_diagnostic_list_append(yp_list_t *list, const uint8_t *start, const uint8_t *end, yp_diagnostic_id_t diag_id) {
-    yp_diagnostic_t *diagnostic = (yp_diagnostic_t *) malloc(sizeof(yp_diagnostic_t));
+pm_diagnostic_list_append(pm_list_t *list, const uint8_t *start, const uint8_t *end, pm_diagnostic_id_t diag_id) {
+    pm_diagnostic_t *diagnostic = (pm_diagnostic_t *) malloc(sizeof(pm_diagnostic_t));
     if (diagnostic == NULL) return false;
 
-    *diagnostic = (yp_diagnostic_t) { .start = start, .end = end, .message = yp_diagnostic_message(diag_id) };
-    yp_list_append(list, (yp_list_node_t *) diagnostic);
+    *diagnostic = (pm_diagnostic_t) { .start = start, .end = end, .message = pm_diagnostic_message(diag_id) };
+    pm_list_append(list, (pm_list_node_t *) diagnostic);
     return true;
 }
 
 // Deallocate the internal state of the given diagnostic list.
 void
-yp_diagnostic_list_free(yp_list_t *list) {
-    yp_list_node_t *node, *next;
+pm_diagnostic_list_free(pm_list_t *list) {
+    pm_list_node_t *node, *next;
 
     for (node = list->head; node != NULL; node = next) {
         next = node->next;
 
-        yp_diagnostic_t *diagnostic = (yp_diagnostic_t *) node;
+        pm_diagnostic_t *diagnostic = (pm_diagnostic_t *) node;
         free(diagnostic);
     }
 }