ferro_babe/
diagnostic.rs

1#[derive(Debug, Clone, Copy, PartialEq, Eq)]
2pub enum DiagnosticSeverity {
3    Warning,
4    Error,
5}
6
7#[derive(Debug, Clone, Copy, PartialEq, Eq)]
8pub enum DiagnosticStage {
9    Header,
10    ConstantPool,
11    Member,
12    Attribute,
13    Code,
14}
15
16#[derive(Debug, Clone, PartialEq, Eq)]
17pub struct Diagnostic {
18    severity: DiagnosticSeverity,
19    stage: DiagnosticStage,
20    offset: Option<usize>,
21    message: String,
22}
23
24impl Diagnostic {
25    pub(crate) fn from_decode_error(error: &FerroBabeError) -> Self {
26        let (stage, offset, message) = match error {
27            FerroBabeError::Decode { source } => match source {
28                ClassReadError::UnexpectedEof => {
29                    (DiagnosticStage::Member, None, source.to_string())
30                }
31                ClassReadError::InvalidConstantPoolTag(_) | ClassReadError::InvalidIndex(_) => {
32                    (DiagnosticStage::ConstantPool, None, source.to_string())
33                }
34                ClassReadError::InvalidAttribute(_) => {
35                    (DiagnosticStage::Attribute, None, source.to_string())
36                }
37                ClassReadError::InvalidOpcode { offset, .. } => {
38                    (DiagnosticStage::Code, Some(*offset), source.to_string())
39                }
40                ClassReadError::InvalidMagic(_) | ClassReadError::InvalidClassVersion(_) => {
41                    (DiagnosticStage::Header, None, source.to_string())
42                }
43                ClassReadError::Utf8Error(_) => {
44                    (DiagnosticStage::ConstantPool, None, source.to_string())
45                }
46            },
47            _ => (DiagnosticStage::Header, None, error.to_string()),
48        };
49
50        Self {
51            severity: DiagnosticSeverity::Error,
52            stage,
53            offset,
54            message,
55        }
56    }
57
58    #[must_use]
59    pub fn severity(&self) -> DiagnosticSeverity {
60        self.severity
61    }
62
63    #[must_use]
64    pub fn stage(&self) -> DiagnosticStage {
65        self.stage
66    }
67
68    #[must_use]
69    pub fn offset(&self) -> Option<usize> {
70        self.offset
71    }
72
73    #[must_use]
74    pub fn message(&self) -> &str {
75        &self.message
76    }
77}
78use rust_asm::error::ClassReadError;
79
80use crate::FerroBabeError;
ferro_babe/diagnostic.rs

ferro_babe/
diagnostic.rs
