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fixed errors

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This commit is contained in:
pca006132 2020-12-29 11:42:16 +08:00
parent 1990486cc2
commit 06af1623a8
1 changed files with 23 additions and 19 deletions
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40
nac3core/src/expression.rs
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@ -14,45 +14,41 @@ pub fn parse_expr(ctx: &GlobalContext, sym_table: &SymTable, expr: &Expression)
}
fn parse_constant(
ctx: &GlobalContext,
sym_table: &SymTable,
_: &GlobalContext,
_: &SymTable,
value: &rustpython_parser::ast::Number,
) -> ParserResult {
use rustpython_parser::ast::Number;
match value {
Number::Integer { value } => {
if i32::try_from(&value).is_ok() {
Number::Integer { .. } => {
// not check the range now
Ok(PrimitiveType(INT32_TYPE).into())
} else if i64::try_from(&value).is_ok() {
Ok(PrimitiveType(INT64_TYPE).into())
} else {
Err("integer out of range".to_string())
}
// if i32::try_from(&value).is_ok() {
// Ok(PrimitiveType(INT32_TYPE).into())
// } else if i64::try_from(&value).is_ok() {
// Ok(PrimitiveType(INT64_TYPE).into())
// } else {
// Err("integer out of range".to_string())
// }
}
Number::Float { .. } => Ok(PrimitiveType(FLOAT_TYPE).into()),
_ => Err("not supported".to_string()),
}
}
fn parse_identifier(ctx: &GlobalContext, sym_table: &SymTable, name: &str) -> ParserResult {
fn parse_identifier(_: &GlobalContext, sym_table: &SymTable, name: &str) -> ParserResult {
match sym_table.get(name) {
Some(v) => Ok(v.clone()),
None => Err("unbounded variable".to_string()),
}
}
fn parse_list(
ctx: &GlobalContext,
sym_table: &SymTable,
elements: &[Expression],
) -> ParserResult {
fn parse_list(ctx: &GlobalContext, sym_table: &SymTable, elements: &[Expression]) -> ParserResult {
if elements.len() == 0 {
return Ok(ParametricType(LIST_TYPE, vec![BotType.into()]).into());
}
let mut types = elements
.iter()
.map(|v| parse_expr(&ctx, sym_table, v));
let mut types = elements.iter().map(|v| parse_expr(&ctx, sym_table, v));
let head = types.next().unwrap()?;
for v in types {
@ -63,4 +59,12 @@ fn parse_list(
Ok(ParametricType(LIST_TYPE, vec![head]).into())
}
fn parse_tuple(ctx: &GlobalContext, sym_table: &SymTable, elements: &[Expression]) -> ParserResult {
let types: Result<Vec<_>, String> = elements
.iter()
.map(|v| parse_expr(&ctx, sym_table, v))
.collect();
Ok(ParametricType(TUPLE_TYPE, types?).into())
}