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This commit is contained in:
Jeehoon Kang
2020-04-09 13:04:23 +09:00
parent cef3fb7650
commit 6edb4665c0
10 changed files with 196 additions and 39 deletions
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39
src/ir/dtype.rs
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@@ -23,7 +23,7 @@ pub trait HasDtype {
#[derive(Default)]
struct BaseDtype {
scalar: Option<ast::TypeSpecifier>,
size_modifiers: Option<ast::TypeSpecifier>,
size_modifier: Option<ast::TypeSpecifier>,
signed_option: Option<ast::TypeSpecifier>,
typedef_name: Option<String>,
is_const: bool,
@@ -129,12 +129,12 @@ impl BaseDtype {
self.scalar = Some(type_specifier.clone());
}
ast::TypeSpecifier::Short | ast::TypeSpecifier::Long => {
if self.size_modifiers.is_some() {
if self.size_modifier.is_some() {
return Err(DtypeError::Misc {
message: "two or more size modifiers in declaration specifiers".to_string(),
});
}
self.size_modifiers = Some(type_specifier.clone());
self.size_modifier = Some(type_specifier.clone());
}
ast::TypeSpecifier::TypedefName(identifier) => {
if self.typedef_name.is_some() {
@@ -277,7 +277,7 @@ impl TryFrom<BaseDtype> for Dtype {
fn try_from(spec: BaseDtype) -> Result<Self, DtypeError> {
assert!(
!(spec.scalar.is_none()
&& spec.size_modifiers.is_none()
&& spec.size_modifier.is_none()
&& spec.signed_option.is_none()
&& spec.typedef_name.is_none()
&& !spec.is_const),
@@ -313,19 +313,19 @@ impl TryFrom<BaseDtype> for Dtype {
};
// Applies size modifier
if let Some(size_modifiers) = spec.size_modifiers {
if let Some(size_modifier) = spec.size_modifier {
if dtype != Self::INT {
return Err(DtypeError::Misc {
message: "size modifier can only be used with `int`".to_string(),
});
}
dtype = match size_modifiers {
dtype = match size_modifier {
ast::TypeSpecifier::Short => Self::SHORT,
ast::TypeSpecifier::Long => Self::LONG,
_ => panic!(
"Dtype::try_from::<BaseDtype>: {:?} is not a size modifier",
size_modifiers
size_modifier
),
}
}
@@ -341,6 +341,13 @@ impl TryFrom<BaseDtype> for Dtype {
),
};
if dtype.get_int_width().is_none() {
return Err(DtypeError::Misc {
message: "`signed` and `unsigned` only be applied to `Dtype::Int`"
.to_string(),
});
}
dtype = dtype.set_signed(is_signed);
}
@@ -662,12 +669,18 @@ impl Dtype {
self.with_ast_array_size(&array_decl.node.size)?
}
ast::DerivedDeclarator::Function(func_decl) => {
let params = func_decl
let mut params = func_decl
.node
.parameters
.iter()
.map(|p| Self::try_from(&p.node))
.collect::<Result<Vec<_>, _>>()?;
// If function parameter is (void), remove it
if params.len() == 1 && params[0] == Dtype::unit() {
let _ = params.pop();
}
Self::function(self, params)
}
ast::DerivedDeclarator::KRFunction(kr_func_decl) => {
@@ -758,16 +771,6 @@ impl Dtype {
Ok(dtype)
}
pub fn merge(self, other: Self) -> Result<Self, DtypeError> {
if self == other {
Ok(self)
} else {
Err(DtypeError::Misc {
message: format!("Dtype::merge({:?}, {:?}) failed", self, other),
})
}
}
}
impl fmt::Display for Dtype {