sway_error/
parser_error.rs

1use sway_types::ast::PunctKind;
2use sway_types::{Ident, Span};
3use thiserror::Error;
4
5#[derive(Debug, Error, Clone, PartialEq, Eq, Hash)]
6pub enum ParseErrorKind {
7    #[error("Expected an import name, group of imports, or `*`.")]
8    ExpectedImportNameGroupOrGlob,
9    #[error("Expected an item.")]
10    ExpectedAnItem,
11    #[error("Expected an item after doc comment.")]
12    ExpectedAnItemAfterDocComment,
13    #[error("Expected a comma or closing parenthesis in function arguments.")]
14    ExpectedCommaOrCloseParenInFnArgs,
15    #[error("Unknown assembly instruction.")]
16    UnrecognizedOpCode {
17        known_op_codes: &'static [&'static str],
18    },
19    #[error("Unexpected token in statement.")]
20    UnexpectedTokenInStatement,
21    #[error("This expression cannot be assigned to.")]
22    UnassignableExpression {
23        /// The friendly name of the kind of the expression
24        /// that makes the overall expression unassignable.
25        /// E.g., "function call", or "struct instantiation".
26        erroneous_expression_kind: &'static str,
27        /// [Span] that points to either the whole left-hand
28        /// side of the reassignment, or to a [Span] of an
29        /// erroneous nested expression, if only a part of
30        /// the assignment target expression is erroneous.
31        erroneous_expression_span: Span,
32    },
33    #[error("Unexpected token after array index.")]
34    UnexpectedTokenAfterArrayIndex,
35    #[error("Invalid literal to use as a field name.")]
36    InvalidLiteralFieldName,
37    #[error("Invalid statement.")]
38    InvalidStatement,
39    #[error("Invalid item.")]
40    InvalidItem,
41    #[error("Integer field names cannot have type suffixes.")]
42    IntFieldWithTypeSuffix,
43    #[error("Expected a field name.")]
44    ExpectedFieldName,
45    #[error("Expected a comma or closing parenthesis in this tuple or parenthesized expression.")]
46    ExpectedCommaOrCloseParenInTupleOrParenExpression,
47    #[error("Expected an expression.")]
48    ExpectedExpression,
49    #[error("Unexpected token after array length.")]
50    UnexpectedTokenAfterArrayLength,
51    #[error("Expected a comma, semicolon or closing bracket when parsing this array.")]
52    ExpectedCommaSemicolonOrCloseBracketInArray,
53    #[error("Unexpected token after asm return type.")]
54    UnexpectedTokenAfterAsmReturnType,
55    #[error("Malformed asm immediate value.")]
56    MalformedAsmImmediate,
57    #[error("Expected an identifier.")]
58    ExpectedIdent,
59    #[error("Expected an pattern.")]
60    ExpectedPattern,
61    #[error("Unexpected token after str length.")]
62    UnexpectedTokenAfterStrLength,
63    #[error("Expected a type.")]
64    ExpectedType,
65    #[error("Unexpected token after array type length.")]
66    UnexpectedTokenAfterArrayTypeLength,
67    #[error("Expected an opening brace.")]
68    ExpectedOpenBrace,
69    #[error("Expected an opening parenthesis.")]
70    ExpectedOpenParen,
71    #[error("Expected an opening square bracket.")]
72    ExpectedOpenBracket,
73    #[error("Expected a literal.")]
74    ExpectedLiteral,
75    #[error("Expected a module kind (script, contract, predicate or library).")]
76    ExpectedModuleKind,
77    #[error("Expected `{}`.", kinds.iter().map(PunctKind::as_char).collect::<String>())]
78    ExpectedPunct { kinds: Vec<PunctKind> },
79    #[error("Expected `{}`.", word)]
80    ExpectedKeyword { word: &'static str },
81    #[error("Unexpected token after abi address.")]
82    UnexpectedTokenAfterAbiAddress,
83    #[error("Expected an attribute.")]
84    ExpectedAnAttribute,
85    #[error("Unexpected token after an attribute.")]
86    UnexpectedTokenAfterAttribute,
87    #[error("Identifiers cannot begin with a double underscore, as that naming convention is reserved for compiler intrinsics.")]
88    InvalidDoubleUnderscore,
89    #[error("Unexpected rest token, must be at the end of pattern.")]
90    UnexpectedRestPattern,
91    #[error("Identifiers cannot be a reserved keyword.")]
92    ReservedKeywordIdentifier,
93    #[error("Unnecessary visibility qualifier, `{}` is implied here.", visibility)]
94    UnnecessaryVisibilityQualifier { visibility: Ident },
95    #[error("Expected a doc comment.")]
96    ExpectedDocComment,
97    #[error("Top of file doc comments are reserved for module level documentation.\nTry using the `//!` syntax.")]
98    ExpectedModuleDocComment,
99    #[error("Use the `struct` keyword to define records, instead of `class`.")]
100    UnexpectedClass,
101    #[error("Field projections, e.g., `foo.bar` cannot have type arguments.")]
102    FieldProjectionWithGenericArgs,
103    #[error("Unexpected token after __ptr type.")]
104    UnexpectedTokenAfterPtrType,
105    #[error("Unexpected token after __slice type.")]
106    UnexpectedTokenAfterSliceType,
107    #[error("Expected a path type.")]
108    ExpectedPathType,
109    #[error("Expected ':'. Enum variants must be in the form `Variant: ()`, `Variant: <type>`, or `Variant: (<type1>, ..., <typeN>)`. E.g., `Foo: (), or `Bar: (bool, u32)`.")]
110    MissingColonInEnumTypeField,
111    #[error("Expected storage key of type U256.")]
112    ExpectedStorageKeyU256,
113}
114
115#[derive(Debug, Error, Clone, PartialEq, Eq, Hash)]
116#[error("{}", kind)]
117pub struct ParseError {
118    pub span: Span,
119    pub kind: ParseErrorKind,
120}
sway_error/parser_error.rs

sway_error/
parser_error.rs
