grit_pattern_matcher/pattern/
dynamic_snippet.rs

1use super::{
2    accessor::Accessor,
3    call_built_in::CallBuiltIn,
4    functions::{CallForeignFunction, CallFunction},
5    list_index::ListIndex,
6    patterns::{Matcher, PatternName},
7    resolved_pattern::ResolvedPattern,
8    variable::Variable,
9    State,
10};
11use crate::context::{ExecContext, QueryContext};
12use grit_util::{error::GritResult, AnalysisLogs};
13
14#[derive(Debug, Clone)]
15pub enum DynamicSnippetPart {
16    String(String),
17    Variable(Variable),
18}
19
20#[derive(Debug, Clone)]
21pub struct DynamicSnippet {
22    pub parts: Vec<DynamicSnippetPart>,
23}
24
25#[derive(Debug, Clone)]
26pub struct DynamicList<Q: QueryContext> {
27    pub elements: Vec<DynamicPattern<Q>>,
28}
29
30#[derive(Debug, Clone)]
31pub enum DynamicPattern<Q: QueryContext> {
32    Variable(Variable),
33    Accessor(Box<Accessor<Q>>),
34    ListIndex(Box<ListIndex<Q>>),
35    Snippet(DynamicSnippet),
36    List(DynamicList<Q>),
37    CallBuiltIn(CallBuiltIn<Q>),
38    CallFunction(CallFunction<Q>),
39    CallForeignFunction(CallForeignFunction<Q>),
40}
41
42impl<Q: QueryContext> DynamicPattern<Q> {
43    pub fn text<'a>(
44        &'a self,
45        state: &mut State<'a, Q>,
46        context: &'a Q::ExecContext<'a>,
47        logs: &mut AnalysisLogs,
48    ) -> GritResult<String> {
49        let resolved = Q::ResolvedPattern::from_dynamic_pattern(self, state, context, logs)?;
50        Ok(resolved.text(&state.files, context.language())?.to_string())
51    }
52
53    /// Create a constant DynamicPattern from a string.
54    pub fn from_str_constant(s: &str) -> GritResult<Self> {
55        let parts = vec![DynamicSnippetPart::String(s.to_string())];
56        Ok(DynamicPattern::Snippet(DynamicSnippet { parts }))
57    }
58}
59
60impl<Q: QueryContext> PatternName for DynamicPattern<Q> {
61    fn name(&self) -> &'static str {
62        "DYNAMIC_PATTERN"
63    }
64}
65
66impl<Q: QueryContext> Matcher<Q> for DynamicPattern<Q> {
67    fn execute<'a>(
68        &'a self,
69        binding: &Q::ResolvedPattern<'a>,
70        state: &mut State<'a, Q>,
71        context: &'a Q::ExecContext<'a>,
72        logs: &mut AnalysisLogs,
73    ) -> GritResult<bool> {
74        if binding.text(&state.files, context.language())? == self.text(state, context, logs)? {
75            Ok(true)
76        } else {
77            Ok(false)
78        }
79    }
80}
81
82impl PatternName for DynamicSnippet {
83    fn name(&self) -> &'static str {
84        "DYNAMIC_SNIPPET"
85    }
86}
grit_pattern_matcher/pattern/dynamic_snippet.rs

grit_pattern_matcher/pattern/
dynamic_snippet.rs
