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Add proper impl for templating

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Signed-off-by: Marcel Müller <neikos@neikos.email>
This commit is contained in:
Marcel Müller 2026-03-06 12:56:16 +01:00
parent 1ee7611981
commit 4470af3926
5 changed files with 85 additions and 27 deletions
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10
src/eval/mod.rs
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@ -8,14 +8,14 @@ use crate::emit::Instruction;
use crate::input::TempleInput;
#[derive(Debug, Error, Display)]
enum EvalError {
pub enum EvaluationError {
/// An unknown variable was encountered: .0
UnknownVariable(TempleInput),
/// An explicit abort was requested
ExplicitAbort,
}
fn execute(instructions: &[Instruction], global_context: &Context) -> Result<String, EvalError> {
pub fn execute(instructions: &[Instruction], global_context: &Context) -> Result<String, EvaluationError> {
let mut output = String::new();
let mut scopes: HashMap<crate::emit::VariableSlot, serde_json::Value> = HashMap::new();
@ -27,7 +27,7 @@ fn execute(instructions: &[Instruction], global_context: &Context) -> Result<Str
let value = global_context
.values
.get(name.as_str())
.ok_or(EvalError::UnknownVariable(name.clone()))?;
.ok_or(EvaluationError::UnknownVariable(name.clone()))?;
scopes.insert(*slot, value.clone());
}
@ -36,7 +36,7 @@ fn execute(instructions: &[Instruction], global_context: &Context) -> Result<Str
output.push_str(value);
}
Instruction::PushScope { inherit_parent: _ } => todo!(),
Instruction::Abort => return Err(EvalError::ExplicitAbort),
Instruction::Abort => return Err(EvaluationError::ExplicitAbort),
}
}
@ -52,7 +52,7 @@ mod tests {
fn check_simple_variable_interpolation() {
let input = "Hello {{= world }}";
let parsed = crate::parser::parse(input).unwrap();
let parsed = crate::parser::parse(input.into()).unwrap();
let ast = crate::ast::parse(parsed.tokens()).unwrap();