difftreelog
feat(lexer) explicit token names
in: master
7 files changed
Cargo.tomldiffbeforeafterboth--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@
jrsonnet-evaluator = { path = "./crates/jrsonnet-evaluator", version = "0.5.0-pre97" }
jrsonnet-macros = { path = "./crates/jrsonnet-macros", version = "0.5.0-pre97" }
jrsonnet-ir = { path = "./crates/jrsonnet-ir", version = "0.5.0-pre97" }
-jrsonnet-ir-parser = { path = "./crates/jrsonnet-rowan-parser", version = "0.5.0-pre97" }
+jrsonnet-ir-parser = { path = "./crates/jrsonnet-ir-parser", version = "0.5.0-pre97" }
jrsonnet-peg-parser = { path = "./crates/jrsonnet-peg-parser", version = "0.5.0-pre97" }
jrsonnet-rowan-parser = { path = "./crates/jrsonnet-rowan-parser", version = "0.5.0-pre97" }
jrsonnet-interner = { path = "./crates/jrsonnet-interner", version = "0.5.0-pre97" }
crates/jrsonnet-lexer/src/generated/syntax_kinds.rsdiffbeforeafterboth1//! This is a generated file, please do not edit manually. Changes can be2//! made in codegeneration that lives in `xtask` top-level dir.34#![allow(5 bad_style,6 missing_docs,7 unreachable_pub,8 clippy::manual_non_exhaustive,9 clippy::match_like_matches_macro10)]11#[doc = r" The kind of syntax node, e.g. `IDENT`, `USE_KW`, or `STRUCT`."]12#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, logos :: Logos)]13#[repr(u16)]14pub enum SyntaxKind {15 #[doc(hidden)]16 TOMBSTONE,17 #[doc(hidden)]18 EOF,19 #[token("||")]20 OR,21 #[token("??")]22 NULL_COAELSE,23 #[token("&&")]24 AND,25 #[token("|")]26 BIT_OR,27 #[token("^")]28 BIT_XOR,29 #[token("&")]30 BIT_AND,31 #[token("==")]32 EQ,33 #[token("!=")]34 NE,35 #[token("<")]36 LT,37 #[token(">")]38 GT,39 #[token("<=")]40 LE,41 #[token(">=")]42 GE,43 #[token("<<")]44 LHS,45 #[token(">>")]46 RHS,47 #[token("+")]48 PLUS,49 #[token("-")]50 MINUS,51 #[token("*")]52 MUL,53 #[token("/")]54 DIV,55 #[token("%")]56 MODULO,57 #[token("!")]58 NOT,59 #[token("~")]60 BIT_NOT,61 #[token("[")]62 L_BRACK,63 #[token("]")]64 R_BRACK,65 #[token("(")]66 L_PAREN,67 #[token(")")]68 R_PAREN,69 #[token("{")]70 L_BRACE,71 #[token("}")]72 R_BRACE,73 #[token(":")]74 COLON,75 #[token(";")]76 SEMI,77 #[token(".")]78 DOT,79 #[token("...")]80 DOTDOTDOT,81 #[token(",")]82 COMMA,83 #[token("$")]84 DOLLAR,85 #[token("=")]86 ASSIGN,87 #[token("?")]88 QUESTION_MARK,89 #[regex("(?:0|[1-9][0-9]*)(?:\\.[0-9]+)?(?:[eE][+-]?[0-9]+)?")]90 FLOAT,91 #[regex("(?:0|[1-9][0-9]*)\\.[^0-9]")]92 ERROR_FLOAT_JUNK_AFTER_POINT,93 #[regex("(?:0|[1-9][0-9]*)(?:\\.[0-9]+)?[eE][^+\\-0-9]")]94 ERROR_FLOAT_JUNK_AFTER_EXPONENT,95 #[regex("(?:0|[1-9][0-9]*)(?:\\.[0-9]+)?[eE][+-][^0-9]")]96 ERROR_FLOAT_JUNK_AFTER_EXPONENT_SIGN,97 #[regex("\"(?s:[^\"\\\\]|\\\\.)*\"")]98 STRING_DOUBLE,99 #[regex("\"(?s:[^\"\\\\]|\\\\.)*")]100 ERROR_STRING_DOUBLE_UNTERMINATED,101 #[regex("'(?s:[^'\\\\]|\\\\.)*'")]102 STRING_SINGLE,103 #[regex("'(?s:[^'\\\\]|\\\\.)*")]104 ERROR_STRING_SINGLE_UNTERMINATED,105 #[regex("@\"(?:[^\"]|\"\")*\"")]106 STRING_DOUBLE_VERBATIM,107 #[regex("@\"(?:[^\"]|\"\")*")]108 ERROR_STRING_DOUBLE_VERBATIM_UNTERMINATED,109 #[regex("@'(?:[^']|'')*'")]110 STRING_SINGLE_VERBATIM,111 #[regex("@'(?:[^']|'')*")]112 ERROR_STRING_SINGLE_VERBATIM_UNTERMINATED,113 #[regex("@[^\"'\\s]\\S+")]114 ERROR_STRING_VERBATIM_MISSING_QUOTES,115 #[regex("\\|\\|\\|", crate::string_block::lex_str_block_test)]116 STRING_BLOCK,117 ERROR_STRING_BLOCK_UNEXPECTED_END,118 ERROR_STRING_BLOCK_MISSING_NEW_LINE,119 ERROR_STRING_BLOCK_MISSING_TERMINATION,120 ERROR_STRING_BLOCK_MISSING_INDENT,121 #[regex("[_a-zA-Z][_a-zA-Z0-9]*")]122 IDENT,123 #[regex("[ \\t\\n\\r]+")]124 WHITESPACE,125 #[regex("//[^\\r\\n]*?(\\r\\n|\\n)?")]126 SINGLE_LINE_SLASH_COMMENT,127 #[regex("#[^\\r\\n]*?(\\r\\n|\\n)?")]128 SINGLE_LINE_HASH_COMMENT,129 #[regex("/\\*([^*]|\\*[^/])*\\*/")]130 MULTI_LINE_COMMENT,131 #[regex("/\\*/")]132 ERROR_COMMENT_TOO_SHORT,133 #[regex("/\\*([^*/]|\\*[^/])+")]134 ERROR_COMMENT_UNTERMINATED,135 #[token("tailstrict")]136 TAILSTRICT_KW,137 #[token("local")]138 LOCAL_KW,139 #[token("importstr")]140 IMPORTSTR_KW,141 #[token("importbin")]142 IMPORTBIN_KW,143 #[token("import")]144 IMPORT_KW,145 #[token("if")]146 IF_KW,147 #[token("then")]148 THEN_KW,149 #[token("else")]150 ELSE_KW,151 #[token("function")]152 FUNCTION_KW,153 #[token("error")]154 ERROR_KW,155 #[token("in")]156 IN_KW,157 META_OBJECT_APPLY,158 ERROR_NO_OPERATOR,159 #[token("null")]160 NULL_KW,161 #[token("true")]162 TRUE_KW,163 #[token("false")]164 FALSE_KW,165 #[token("self")]166 SELF_KW,167 #[token("super")]168 SUPER_KW,169 #[token("for")]170 FOR_KW,171 #[token("assert")]172 ASSERT_KW,173 ERROR_MISSING_TOKEN,174 ERROR_UNEXPECTED_TOKEN,175 ERROR_CUSTOM,176 LEXING_ERROR,177 __LAST_TOKEN,178 #[doc(hidden)]179 __LAST,180}181use self::SyntaxKind::*;182impl SyntaxKind {183 pub fn is_keyword(self) -> bool {184 match self {185 OR | NULL_COAELSE | AND | BIT_OR | BIT_XOR | BIT_AND | EQ | NE | LT | GT | LE | GE186 | LHS | RHS | PLUS | MINUS | MUL | DIV | MODULO | NOT | BIT_NOT | L_BRACK | R_BRACK187 | L_PAREN | R_PAREN | L_BRACE | R_BRACE | COLON | SEMI | DOT | DOTDOTDOT | COMMA188 | DOLLAR | ASSIGN | QUESTION_MARK | TAILSTRICT_KW | LOCAL_KW | IMPORTSTR_KW189 | IMPORTBIN_KW | IMPORT_KW | IF_KW | THEN_KW | ELSE_KW | FUNCTION_KW | ERROR_KW190 | IN_KW | NULL_KW | TRUE_KW | FALSE_KW | SELF_KW | SUPER_KW | FOR_KW | ASSERT_KW => true,191 _ => false,192 }193 }194 pub fn from_raw(r: u16) -> Self {195 assert!(r < Self::__LAST as u16);196 unsafe { std::mem::transmute(r) }197 }198 pub fn into_raw(self) -> u16 {199 self as u16200 }201}202#[macro_export]203macro_rules ! T { [||] => { $ crate :: SyntaxKind :: OR } ; [??] => { $ crate :: SyntaxKind :: NULL_COAELSE } ; [&&] => { $ crate :: SyntaxKind :: AND } ; [|] => { $ crate :: SyntaxKind :: BIT_OR } ; [^] => { $ crate :: SyntaxKind :: BIT_XOR } ; [&] => { $ crate :: SyntaxKind :: BIT_AND } ; [==] => { $ crate :: SyntaxKind :: EQ } ; [!=] => { $ crate :: SyntaxKind :: NE } ; [<] => { $ crate :: SyntaxKind :: LT } ; [>] => { $ crate :: SyntaxKind :: GT } ; [<=] => { $ crate :: SyntaxKind :: LE } ; [>=] => { $ crate :: SyntaxKind :: GE } ; [<<] => { $ crate :: SyntaxKind :: LHS } ; [>>] => { $ crate :: SyntaxKind :: RHS } ; [+] => { $ crate :: SyntaxKind :: PLUS } ; [-] => { $ crate :: SyntaxKind :: MINUS } ; [*] => { $ crate :: SyntaxKind :: MUL } ; [/] => { $ crate :: SyntaxKind :: DIV } ; [%] => { $ crate :: SyntaxKind :: MODULO } ; [!] => { $ crate :: SyntaxKind :: NOT } ; [~] => { $ crate :: SyntaxKind :: BIT_NOT } ; ['['] => { $ crate :: SyntaxKind :: L_BRACK } ; [']'] => { $ crate :: SyntaxKind :: R_BRACK } ; ['('] => { $ crate :: SyntaxKind :: L_PAREN } ; [')'] => { $ crate :: SyntaxKind :: R_PAREN } ; ['{'] => { $ crate :: SyntaxKind :: L_BRACE } ; ['}'] => { $ crate :: SyntaxKind :: R_BRACE } ; [:] => { $ crate :: SyntaxKind :: COLON } ; [;] => { $ crate :: SyntaxKind :: SEMI } ; [.] => { $ crate :: SyntaxKind :: DOT } ; [...] => { $ crate :: SyntaxKind :: DOTDOTDOT } ; [,] => { $ crate :: SyntaxKind :: COMMA } ; ['$'] => { $ crate :: SyntaxKind :: DOLLAR } ; [=] => { $ crate :: SyntaxKind :: ASSIGN } ; [?] => { $ crate :: SyntaxKind :: QUESTION_MARK } ; [tailstrict] => { $ crate :: SyntaxKind :: TAILSTRICT_KW } ; [local] => { $ crate :: SyntaxKind :: LOCAL_KW } ; [importstr] => { $ crate :: SyntaxKind :: IMPORTSTR_KW } ; [importbin] => { $ crate :: SyntaxKind :: IMPORTBIN_KW } ; [import] => { $ crate :: SyntaxKind :: IMPORT_KW } ; [if] => { $ crate :: SyntaxKind :: IF_KW } ; [then] => { $ crate :: SyntaxKind :: THEN_KW } ; [else] => { $ crate :: SyntaxKind :: ELSE_KW } ; [function] => { $ crate :: SyntaxKind :: FUNCTION_KW } ; [error] => { $ crate :: SyntaxKind :: ERROR_KW } ; [in] => { $ crate :: SyntaxKind :: IN_KW } ; [null] => { $ crate :: SyntaxKind :: NULL_KW } ; [true] => { $ crate :: SyntaxKind :: TRUE_KW } ; [false] => { $ crate :: SyntaxKind :: FALSE_KW } ; [self] => { $ crate :: SyntaxKind :: SELF_KW } ; [super] => { $ crate :: SyntaxKind :: SUPER_KW } ; [for] => { $ crate :: SyntaxKind :: FOR_KW } ; [assert] => { $ crate :: SyntaxKind :: ASSERT_KW } }204#[allow(unused_imports)]205pub use T;crates/jrsonnet-lexer/src/string_block.rsdiffbeforeafterboth--- a/crates/jrsonnet-lexer/src/string_block.rs
+++ b/crates/jrsonnet-lexer/src/string_block.rs
@@ -211,6 +211,7 @@
// Process leading blank lines before calculating string block indent
while ctx.peek() == Some('\n') {
+ lex.mark_line("");
ctx.next();
}
crates/jrsonnet-rowan-parser/jsonnet.ungramdiffbeforeafterboth--- a/crates/jrsonnet-rowan-parser/jsonnet.ungram
+++ b/crates/jrsonnet-rowan-parser/jsonnet.ungram
@@ -209,7 +209,7 @@
| FieldNameDynamic
Visibility =
- ':' v1:':'? v2:':'?
+ ':' ':'? ':'?
Literal =
'null'
crates/jrsonnet-rowan-parser/src/generated/syntax_kinds.rsdiffbeforeafterboth--- a/crates/jrsonnet-rowan-parser/src/generated/syntax_kinds.rs
+++ b/crates/jrsonnet-rowan-parser/src/generated/syntax_kinds.rs
@@ -76,6 +76,10 @@
MULTI_LINE_COMMENT,
ERROR_COMMENT_TOO_SHORT,
ERROR_COMMENT_UNTERMINATED,
+ ERROR_NO_OPERATOR,
+ ERROR_MISSING_TOKEN,
+ ERROR_UNEXPECTED_TOKEN,
+ ERROR_CUSTOM,
TAILSTRICT_KW,
LOCAL_KW,
IMPORTSTR_KW,
@@ -88,7 +92,6 @@
ERROR_KW,
IN_KW,
META_OBJECT_APPLY,
- ERROR_NO_OPERATOR,
NULL_KW,
TRUE_KW,
FALSE_KW,
@@ -96,9 +99,6 @@
SUPER_KW,
FOR_KW,
ASSERT_KW,
- ERROR_MISSING_TOKEN,
- ERROR_UNEXPECTED_TOKEN,
- ERROR_CUSTOM,
LEXING_ERROR,
__LAST_TOKEN,
SOURCE_FILE,
@@ -199,6 +199,149 @@
_ => false,
}
}
+ pub fn error_description(self) -> Option<&'static str> {
+ match self {
+ ERROR_FLOAT_JUNK_AFTER_POINT => {
+ ::core::option::Option::Some("junk after decimal point in number literal")
+ }
+ ERROR_FLOAT_JUNK_AFTER_EXPONENT => {
+ ::core::option::Option::Some("junk after exponent in number literal")
+ }
+ ERROR_FLOAT_JUNK_AFTER_EXPONENT_SIGN => {
+ ::core::option::Option::Some("junk after exponent sign in number literal")
+ }
+ ERROR_STRING_DOUBLE_UNTERMINATED => {
+ ::core::option::Option::Some("unterminated double-quoted string")
+ }
+ ERROR_STRING_SINGLE_UNTERMINATED => {
+ ::core::option::Option::Some("unterminated single-quoted string")
+ }
+ ERROR_STRING_DOUBLE_VERBATIM_UNTERMINATED => {
+ ::core::option::Option::Some("unterminated verbatim double-quoted string")
+ }
+ ERROR_STRING_SINGLE_VERBATIM_UNTERMINATED => {
+ ::core::option::Option::Some("unterminated verbatim single-quoted string")
+ }
+ ERROR_STRING_VERBATIM_MISSING_QUOTES => {
+ ::core::option::Option::Some("verbatim string missing opening quotes")
+ }
+ ERROR_STRING_BLOCK_UNEXPECTED_END => {
+ ::core::option::Option::Some("unexpected end of text block")
+ }
+ ERROR_STRING_BLOCK_MISSING_NEW_LINE => {
+ ::core::option::Option::Some("text block requires new line after |||")
+ }
+ ERROR_STRING_BLOCK_MISSING_TERMINATION => {
+ ::core::option::Option::Some("unterminated text block")
+ }
+ ERROR_STRING_BLOCK_MISSING_INDENT => {
+ ::core::option::Option::Some("text block first line must be indented")
+ }
+ ERROR_COMMENT_TOO_SHORT => ::core::option::Option::Some("comment too short"),
+ ERROR_COMMENT_UNTERMINATED => {
+ ::core::option::Option::Some("unterminated multi-line comment")
+ }
+ ERROR_NO_OPERATOR => ::core::option::Option::Some("expected operator"),
+ ERROR_MISSING_TOKEN => ::core::option::Option::Some("missing token"),
+ ERROR_UNEXPECTED_TOKEN => ::core::option::Option::Some("unexpected token"),
+ ERROR_CUSTOM => ::core::option::Option::Some("error"),
+ LEXING_ERROR => ::core::option::Option::Some("unexpected character"),
+ _ => None,
+ }
+ }
+ pub fn display_name(self) -> &'static str {
+ match self {
+ OR => "'||'",
+ NULL_COAELSE => "'??'",
+ AND => "'&&'",
+ BIT_OR => "'|'",
+ BIT_XOR => "'^'",
+ BIT_AND => "'&'",
+ EQ => "'=='",
+ NE => "'!='",
+ LT => "'<'",
+ GT => "'>'",
+ LE => "'<='",
+ GE => "'>='",
+ LHS => "'<<'",
+ RHS => "'>>'",
+ PLUS => "'+'",
+ MINUS => "'-'",
+ MUL => "'*'",
+ DIV => "'/'",
+ MODULO => "'%'",
+ NOT => "'!'",
+ BIT_NOT => "'~'",
+ L_BRACK => "'['",
+ R_BRACK => "']'",
+ L_PAREN => "'('",
+ R_PAREN => "')'",
+ L_BRACE => "'{'",
+ R_BRACE => "'}'",
+ COLON => "':'",
+ SEMI => "';'",
+ DOT => "'.'",
+ DOTDOTDOT => "'...'",
+ COMMA => "','",
+ DOLLAR => "'$'",
+ ASSIGN => "'='",
+ QUESTION_MARK => "'?'",
+ FLOAT => "number",
+ ERROR_FLOAT_JUNK_AFTER_POINT => "junk after decimal point in number literal",
+ ERROR_FLOAT_JUNK_AFTER_EXPONENT => "junk after exponent in number literal",
+ ERROR_FLOAT_JUNK_AFTER_EXPONENT_SIGN => "junk after exponent sign in number literal",
+ STRING_DOUBLE => "string",
+ ERROR_STRING_DOUBLE_UNTERMINATED => "unterminated double-quoted string",
+ STRING_SINGLE => "string",
+ ERROR_STRING_SINGLE_UNTERMINATED => "unterminated single-quoted string",
+ STRING_DOUBLE_VERBATIM => "string",
+ ERROR_STRING_DOUBLE_VERBATIM_UNTERMINATED => {
+ "unterminated verbatim double-quoted string"
+ }
+ STRING_SINGLE_VERBATIM => "string",
+ ERROR_STRING_SINGLE_VERBATIM_UNTERMINATED => {
+ "unterminated verbatim single-quoted string"
+ }
+ ERROR_STRING_VERBATIM_MISSING_QUOTES => "verbatim string missing opening quotes",
+ STRING_BLOCK => "string",
+ ERROR_STRING_BLOCK_UNEXPECTED_END => "unexpected end of text block",
+ ERROR_STRING_BLOCK_MISSING_NEW_LINE => "text block requires new line after |||",
+ ERROR_STRING_BLOCK_MISSING_TERMINATION => "unterminated text block",
+ ERROR_STRING_BLOCK_MISSING_INDENT => "text block first line must be indented",
+ IDENT => "identifier",
+ WHITESPACE => "whitespace",
+ SINGLE_LINE_SLASH_COMMENT => "comment",
+ SINGLE_LINE_HASH_COMMENT => "comment",
+ MULTI_LINE_COMMENT => "comment",
+ ERROR_COMMENT_TOO_SHORT => "comment too short",
+ ERROR_COMMENT_UNTERMINATED => "unterminated multi-line comment",
+ ERROR_NO_OPERATOR => "expected operator",
+ ERROR_MISSING_TOKEN => "missing token",
+ ERROR_UNEXPECTED_TOKEN => "unexpected token",
+ ERROR_CUSTOM => "error",
+ TAILSTRICT_KW => "'tailstrict'",
+ LOCAL_KW => "'local'",
+ IMPORTSTR_KW => "'importstr'",
+ IMPORTBIN_KW => "'importbin'",
+ IMPORT_KW => "'import'",
+ IF_KW => "'if'",
+ THEN_KW => "'then'",
+ ELSE_KW => "'else'",
+ FUNCTION_KW => "'function'",
+ ERROR_KW => "'error'",
+ IN_KW => "'in'",
+ META_OBJECT_APPLY => "meta_object_apply",
+ NULL_KW => "'null'",
+ TRUE_KW => "'true'",
+ FALSE_KW => "'false'",
+ SELF_KW => "'self'",
+ SUPER_KW => "'super'",
+ FOR_KW => "'for'",
+ ASSERT_KW => "'assert'",
+ LEXING_ERROR => "unexpected character",
+ _ => "unknown",
+ }
+ }
pub fn from_raw(r: u16) -> Self {
assert!(r < Self::__LAST as u16);
unsafe { std::mem::transmute(r) }
xtask/src/sourcegen/kinds.rsdiffbeforeafterboth--- a/xtask/src/sourcegen/kinds.rs
+++ b/xtask/src/sourcegen/kinds.rs
@@ -19,6 +19,7 @@
is_lexer_error: bool,
regex: Option<String>,
priority: Option<u32>,
+ description: String,
},
/// Keyword - literal match of token
Keyword {
@@ -113,6 +114,24 @@
}
}
+ pub fn display_name(&self) -> String {
+ match self {
+ Self::Keyword { code, .. } => format!("'{code}'"),
+ Self::Literal { name, .. } => match name.as_str() {
+ "FLOAT" => "number".to_owned(),
+ "IDENT" => "identifier".to_owned(),
+ "STRING_DOUBLE" | "STRING_SINGLE" | "STRING_DOUBLE_VERBATIM"
+ | "STRING_SINGLE_VERBATIM" | "STRING_BLOCK" => "string".to_owned(),
+ "WHITESPACE" => "whitespace".to_owned(),
+ "SINGLE_LINE_SLASH_COMMENT" | "SINGLE_LINE_HASH_COMMENT"
+ | "MULTI_LINE_COMMENT" => "comment".to_owned(),
+ _ => name.to_lowercase(),
+ },
+ Self::Meta { name, .. } => name.to_lowercase(),
+ Self::Error { description, .. } => description.clone(),
+ }
+ }
+
pub fn method_name(&self) -> Ident {
match self {
Self::Keyword { name, .. } => {
@@ -138,7 +157,7 @@
});
$(define_kinds!($into = $($rest)*))?
}};
- ($into:ident = error($name:literal$(, priority = $priority:literal)? $(, lexer = $lexer:literal)?) $(=> $regex:literal)? $(; $($rest:tt)*)?) => {{
+ ($into:ident = error($name:literal, $desc:literal $(, priority = $priority:literal)? $(, lexer = $lexer:literal)?) $(=> $regex:literal)? $(; $($rest:tt)*)?) => {{
{
let regex = None$(.or(Some($regex.to_owned())))?;
let priority = None$(.or(Some($priority)))?;
@@ -148,6 +167,7 @@
is_lexer_error: false $(|| $lexer)? || regex.is_some() || priority.is_some(),
regex,
priority,
+ description: $desc.to_owned(),
});
}
$(define_kinds!($into = $($rest)*))?
@@ -248,31 +268,35 @@
"=" => "ASSIGN";
"?" => "QUESTION_MARK";
// Literals
- lit("FLOAT") => r"(?:0|[1-9][0-9]*)(?:\.[0-9]+)?(?:[eE][+-]?[0-9]+)?";
- error("FLOAT_JUNK_AFTER_POINT") => r"(?:0|[1-9][0-9]*)\.[^0-9]";
- error("FLOAT_JUNK_AFTER_EXPONENT") => r"(?:0|[1-9][0-9]*)(?:\.[0-9]+)?[eE][^+\-0-9]";
- error("FLOAT_JUNK_AFTER_EXPONENT_SIGN") => r"(?:0|[1-9][0-9]*)(?:\.[0-9]+)?[eE][+-][^0-9]";
+ lit("FLOAT") => r"(?:0|[1-9][0-9]*(?:_[0-9]+)*)(?:\.[0-9]+(?:_[0-9]+)*)?(?:[eE][+-]?[0-9]+(?:_[0-9]+)*)?";
+ error("FLOAT_JUNK_AFTER_POINT", "junk after decimal point in number literal") => r"(?:0|[1-9][0-9]*(?:_[0-9]+)*)\.[^0-9]";
+ error("FLOAT_JUNK_AFTER_EXPONENT", "junk after exponent in number literal") => r"(?:0|[1-9][0-9]*(?:_[0-9]+)*)(?:\.[0-9]+(?:_[0-9]+)*)?[eE][^+\-0-9]";
+ error("FLOAT_JUNK_AFTER_EXPONENT_SIGN", "junk after exponent sign in number literal") => r"(?:0|[1-9][0-9]*(?:_[0-9]+)*)(?:\.[0-9]+(?:_[0-9]+)*)?[eE][+-][^0-9]";
lit("STRING_DOUBLE") => "\"(?s:[^\"\\\\]|\\\\.)*\"";
- error("STRING_DOUBLE_UNTERMINATED") => "\"(?s:[^\"\\\\]|\\\\.)*";
+ error("STRING_DOUBLE_UNTERMINATED", "unterminated double-quoted string") => "\"(?s:[^\"\\\\]|\\\\.)*";
lit("STRING_SINGLE") => "'(?s:[^'\\\\]|\\\\.)*'";
- error("STRING_SINGLE_UNTERMINATED") => "'(?s:[^'\\\\]|\\\\.)*";
+ error("STRING_SINGLE_UNTERMINATED", "unterminated single-quoted string") => "'(?s:[^'\\\\]|\\\\.)*";
lit("STRING_DOUBLE_VERBATIM") => "@\"(?:[^\"]|\"\")*\"";
- error("STRING_DOUBLE_VERBATIM_UNTERMINATED") => "@\"(?:[^\"]|\"\")*";
+ error("STRING_DOUBLE_VERBATIM_UNTERMINATED", "unterminated verbatim double-quoted string") => "@\"(?:[^\"]|\"\")*";
lit("STRING_SINGLE_VERBATIM") => "@'(?:[^']|'')*'";
- error("STRING_SINGLE_VERBATIM_UNTERMINATED") => "@'(?:[^']|'')*";
- error("STRING_VERBATIM_MISSING_QUOTES") => "@[^\"'\\s]\\S+";
+ error("STRING_SINGLE_VERBATIM_UNTERMINATED", "unterminated verbatim single-quoted string") => "@'(?:[^']|'')*";
+ error("STRING_VERBATIM_MISSING_QUOTES", "verbatim string missing opening quotes") => "@[^\"'\\s]\\S+";
lit("STRING_BLOCK") => r"\|\|\|", "crate::string_block::lex_str_block_test";
- error("STRING_BLOCK_UNEXPECTED_END", lexer = true);
- error("STRING_BLOCK_MISSING_NEW_LINE", lexer = true);
- error("STRING_BLOCK_MISSING_TERMINATION", lexer = true);
- error("STRING_BLOCK_MISSING_INDENT", lexer = true);
+ error("STRING_BLOCK_UNEXPECTED_END", "unexpected end of text block", lexer = true);
+ error("STRING_BLOCK_MISSING_NEW_LINE", "text block requires new line after |||", lexer = true);
+ error("STRING_BLOCK_MISSING_TERMINATION", "unterminated text block", lexer = true);
+ error("STRING_BLOCK_MISSING_INDENT", "text block first line must be indented", lexer = true);
lit("IDENT") => r"[_a-zA-Z][_a-zA-Z0-9]*";
lit("WHITESPACE") => r"[ \t\n\r]+";
lit("SINGLE_LINE_SLASH_COMMENT") => r"//[^\r\n]*?(\r\n|\n)?";
lit("SINGLE_LINE_HASH_COMMENT") => r"#[^\r\n]*?(\r\n|\n)?";
lit("MULTI_LINE_COMMENT") => r"/\*([^*]|\*[^/])*\*/";
- error("COMMENT_TOO_SHORT") => r"/\*/";
- error("COMMENT_UNTERMINATED") => r"/\*([^*/]|\*[^/])+";
+ error("COMMENT_TOO_SHORT", "comment too short") => r"/\*/";
+ error("COMMENT_UNTERMINATED", "unterminated multi-line comment") => r"/\*([^*/]|\*[^/])+";
+ error("NO_OPERATOR", "expected operator");
+ error("MISSING_TOKEN", "missing token");
+ error("UNEXPECTED_TOKEN", "unexpected token");
+ error("CUSTOM", "error");
];
kinds
}
xtask/src/sourcegen/mod.rsdiffbeforeafterboth--- a/xtask/src/sourcegen/mod.rs
+++ b/xtask/src/sourcegen/mod.rs
@@ -56,14 +56,7 @@
});
}
SpecialName::Error => {
- eprintln!("implicit error: {name}");
- kinds.define_token(TokenKind::Error {
- grammar_name: token.to_owned(),
- name: format!("ERROR_{name}"),
- regex: None,
- priority: None,
- is_lexer_error: true,
- });
+ panic!("error token ERROR_{name} must be explicitly defined in jsonnet_kinds()");
}
}
continue;
@@ -170,6 +163,24 @@
quote! {}
};
+ let error_desc_arms = kinds.tokens().filter_map(|t| {
+ if let TokenKind::Error {
+ name, description, ..
+ } = t
+ {
+ let ident = format_ident!("{name}");
+ Some(quote! { #ident => ::core::option::Option::Some(#description) })
+ } else {
+ None
+ }
+ });
+
+ let display_name_arms = kinds.tokens().map(|t| {
+ let ident = format_ident!("{}", t.name());
+ let display = t.display_name();
+ quote! { #ident => #display }
+ });
+
let ast = quote! {
#![allow(bad_style, missing_docs, unreachable_pub, clippy::manual_non_exhaustive, clippy::match_like_matches_macro)]
@@ -200,6 +211,22 @@
#is_enum
+ pub fn error_description(self) -> Option<&'static str> {
+ match self {
+ #(#error_desc_arms,)*
+ LEXING_ERROR => ::core::option::Option::Some("unexpected character"),
+ _ => None,
+ }
+ }
+
+ pub fn display_name(self) -> &'static str {
+ match self {
+ #(#display_name_arms,)*
+ LEXING_ERROR => "unexpected character",
+ _ => "unknown",
+ }
+ }
+
pub fn from_raw(r: u16) -> Self {
assert!(r < Self::__LAST as u16);
unsafe { std::mem::transmute(r) }