57 lines
1.8 KiB
Rust
57 lines
1.8 KiB
Rust
use crate::ast::type_use::TypeUse;
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use crate::diagnostic::Diagnostic;
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use crate::source_range::SourceRange;
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use crate::symbol::ParameterSymbol;
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use crate::symbol_table::{SymbolInsertError, SymbolTable};
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use crate::type_info::TypeInfo;
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use std::cell::RefCell;
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use std::rc::Rc;
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pub struct Parameter {
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declared_name: String,
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declared_name_source_range: SourceRange,
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type_use: TypeUse,
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}
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impl Parameter {
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pub fn new(
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declared_name: &str,
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declared_name_source_range: SourceRange,
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type_use: TypeUse,
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) -> Self {
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Self {
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declared_name: declared_name.into(),
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declared_name_source_range,
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type_use,
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}
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}
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pub fn gather_declared_names(
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&mut self,
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symbol_table: &mut SymbolTable,
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) -> Result<Rc<RefCell<ParameterSymbol>>, Vec<Diagnostic>> {
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let insert_result = symbol_table.insert_parameter_symbol(ParameterSymbol::new(
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&self.declared_name,
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TypeInfo::from_declared_name(self.type_use.declared_name()),
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));
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match insert_result {
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Ok(parameter_symbol) => Ok(parameter_symbol),
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Err(symbol_insert_error) => match symbol_insert_error {
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SymbolInsertError::AlreadyDeclared(already_declared) => Err(vec![Diagnostic::new(
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&format!("Parameter {} already declared.", already_declared.name()),
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self.declared_name_source_range.start(),
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self.declared_name_source_range.end(),
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)]),
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},
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}
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}
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pub fn check_name_usages(&mut self, symbol_table: &SymbolTable) -> Result<(), Vec<Diagnostic>> {
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Ok(()) // no-op for now
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}
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pub fn type_check(&mut self, symbol_table: &SymbolTable) -> Result<(), Vec<Diagnostic>> {
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Ok(()) // no-op for now
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}
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}
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