grit_pattern_matcher/pattern/
add.rs1use super::{
2 patterns::{Matcher, Pattern, PatternName},
3 resolved_pattern::ResolvedPattern,
4 state::State,
5};
6use crate::{
7 constant::Constant,
8 context::{ExecContext, QueryContext},
9};
10use grit_util::{error::GritResult, AnalysisLogs};
11
12#[derive(Debug, Clone)]
13pub struct Add<Q: QueryContext> {
14 pub lhs: Pattern<Q>,
15 pub rhs: Pattern<Q>,
16}
17
18impl<Q: QueryContext> Add<Q> {
19 pub fn new(lhs: Pattern<Q>, rhs: Pattern<Q>) -> Self {
20 Self { lhs, rhs }
21 }
22
23 pub fn call<'a>(
24 &'a self,
25 state: &mut State<'a, Q>,
26 context: &'a Q::ExecContext<'a>,
27 logs: &mut AnalysisLogs,
28 ) -> GritResult<Q::ResolvedPattern<'a>> {
29 let res = self.evaluate(state, context, logs)?;
30 Ok(Q::ResolvedPattern::from_constant(Constant::Float(res)))
31 }
32
33 fn evaluate<'a>(
34 &'a self,
35 state: &mut State<'a, Q>,
36 context: &'a Q::ExecContext<'a>,
37 logs: &mut AnalysisLogs,
38 ) -> GritResult<f64> {
39 let lhs = self.lhs.float(state, context, logs)?;
40 let rhs = self.rhs.float(state, context, logs)?;
41 let res = lhs + rhs;
42 Ok(res)
43 }
44}
45
46impl<Q: QueryContext> PatternName for Add<Q> {
47 fn name(&self) -> &'static str {
48 "ADD"
49 }
50}
51
52impl<Q: QueryContext> Matcher<Q> for Add<Q> {
53 fn execute<'a>(
54 &'a self,
55 binding: &Q::ResolvedPattern<'a>,
56 state: &mut State<'a, Q>,
57 context: &'a Q::ExecContext<'a>,
58 logs: &mut AnalysisLogs,
59 ) -> GritResult<bool> {
60 let binding_text = binding.text(&state.files, context.language())?;
61 let binding_int = binding_text.parse::<f64>()?;
62 let target = self.evaluate(state, context, logs)?;
63 Ok(binding_int == target)
64 }
65}