Refactor PrettyPrint.

This commit is contained in:
Jesse Brault 2025-09-24 14:17:17 -05:00
parent 0d2db659ca
commit 8a6e4277a7
2 changed files with 237 additions and 280 deletions

View File

@ -6,7 +6,7 @@ mod type_gen;
use crate::build_fn::make_build_fn;
use crate::deserialize::deserialize_yaml_spec;
// use crate::pretty_print::make_pretty_print_impl;
use crate::pretty_print::make_pretty_print_impl;
use crate::type_gen::make_type;
use proc_macro2::TokenStream;
use quote::quote;
@ -117,24 +117,27 @@ fn generate_node_file(build_specs: &[BuildSpec]) -> AstGeneratedFile {
}
fn generate_pretty_print_file(build_specs: &[BuildSpec]) -> AstGeneratedFile {
// let impls = build_specs
// .iter()
// .map(|build_spec| {
// let stream = make_pretty_print_impl(build_spec);
// debug_built_spec(build_spec, &stream);
// stream
// })
// .collect::<Vec<_>>();
//
// let combined = quote! {
// use crate::ast::node::*;
// #(#impls)*
// };
// AstGeneratedFile {
// name: String::from("pretty_print.rs"),
// contents: token_stream_to_string(combined),
// }
todo!()
let impls = build_specs
.iter()
.map(|build_spec| {
let maybe_stream = make_pretty_print_impl(build_spec);
if let Some(stream) = &maybe_stream {
debug_built_spec(build_spec, &stream);
}
maybe_stream
})
.filter(Option::is_some)
.map(Option::unwrap)
.collect::<Vec<_>>();
let combined = quote! {
use crate::ast::node::*;
#(#impls)*
};
AstGeneratedFile {
name: String::from("pretty_print.rs"),
contents: token_stream_to_string(combined),
}
}
pub fn get_build_specs(yaml: &str) -> Vec<BuildSpec> {
@ -145,6 +148,6 @@ pub fn generate_files(build_specs: &[BuildSpec]) -> Vec<AstGeneratedFile> {
vec![
generate_build_file(build_specs),
generate_node_file(build_specs),
// generate_pretty_print_file(build_specs),
generate_pretty_print_file(build_specs),
]
}

View File

@ -1,260 +1,214 @@
// use crate::spec::leaf_enum_spec::LeafEnumBuildSpec;
// use crate::spec::leaf_struct_spec::{LeafStructBuildSpec, LeafStructMemberKind};
// use crate::spec::polymorphic_type_spec::PolymorphicTypeBuildSpec;
// use crate::spec::production_spec::ProductionBuildSpec;
// use crate::spec::struct_spec::StructSpec;
// use crate::spec::tree_enum_spec::{EnumRuleChildKind, TreeEnumBuildSpec};
// use crate::spec::{
// AlternativeChild, BuildSpec, MemberChildToBuild, PolymorphicBuildBuildSpec,
// PolymorphicEnumBuildSpec, StructChildSpec, VecChildToBuild,
// };
// use convert_case::{Case, Casing};
// use proc_macro2::TokenStream;
// use quote::{format_ident, quote};
//
// fn make_production_p2_impl(_spec: &ProductionBuildSpec) -> TokenStream {
// quote! {}
// }
//
// fn make_polymorphic_enum_p2_impl(_spec: &PolymorphicEnumBuildSpec) -> TokenStream {
// quote! {}
// }
//
// fn make_polymorphic_build_p2_impl(spec: &PolymorphicBuildBuildSpec) -> TokenStream {
// let (_, build) = spec.primary_alternative();
// let type_ident = format_ident!("{}", spec.name());
// let name_str = spec.name();
//
// let child_statements = build
// .children()
// .map(|child| match child {
// AlternativeChild::Skip => None,
// AlternativeChild::Build(build) => {
// let child_ident = format_ident!("{}", build.name());
// Some(quote! {
// self.#child_ident().pretty_print(writer)?
// })
// }
// })
// .filter(Option::is_some)
// .map(Option::unwrap)
// .collect::<Vec<TokenStream>>();
//
// quote! {
// impl PrettyPrint for #type_ident {
// fn pretty_print(&self, writer: &mut IndentWriter) -> std::io::Result<()> {
// writer.writeln_indented(#name_str);
// writer.increase_indent();
// #(#child_statements;)*
// writer.decrease_indent();
// Ok(())
// }
// }
// }
// }
//
// fn make_polymorphic_type_p2_impl(spec: &PolymorphicTypeBuildSpec) -> TokenStream {
// let type_ident = format_ident!("{}", spec.name());
// let child_matchers = spec
// .variants()
// .map(|member| {
// let enum_member_ident = format_ident!("{}", member.name());
// let inner_name = format_ident!("{}", member.inner_kind().to_case(Case::Snake));
// quote! {
// #type_ident::#enum_member_ident(#inner_name) => #inner_name.pretty_print(writer)
// }
// })
// .collect::<Vec<_>>();
//
// quote! {
// impl PrettyPrint for #type_ident {
// fn pretty_print(&self, writer: &mut IndentWriter) -> std::io::Result<()> {
// match self {
// #(#child_matchers,)*
// }
// }
// }
// }
// }
//
// fn make_leaf_enum_p2_impl(spec: &LeafEnumBuildSpec) -> TokenStream {
// let type_ident = format_ident!("{}", spec.build());
// let child_matchers = spec
// .rules()
// .map(|rule| {
// let enum_variant_ident = format_ident!("{}", rule.rule());
// let name_str = rule.rule();
// quote! {
// #type_ident::#enum_variant_ident => writer.writeln_indented(#name_str)
// }
// })
// .collect::<Vec<_>>();
//
// quote! {
// impl PrettyPrint for #type_ident {
// fn pretty_print(&self, writer: &mut IndentWriter) -> std::io::Result<()> {
// match self {
// #(#child_matchers,)*
// }
// }
// }
// }
// }
//
// fn make_enum_p2_impl(spec: &TreeEnumBuildSpec) -> TokenStream {
// let type_ident = format_ident!("{}", spec.build());
// let type_str = spec.build();
//
// let child_matchers = spec
// .rules()
// .map(|rule| {
// let enum_variant_ident = format_ident!("{}", rule.rule());
// if let Some(child) = rule.child() {
// match child.kind() {
// EnumRuleChildKind::Node(node_child) => {
// let child_name_ident =
// format_ident!("{}", node_child.build().to_case(Case::Snake));
// Some(quote! {
// #type_ident::#enum_variant_ident(#child_name_ident) => {
// #child_name_ident.pretty_print(writer)?;
// }
// })
// }
// _ => None,
// }
// } else {
// let variant_str = rule.rule();
// Some(quote! {
// #type_ident::#enum_variant_ident => writer.writeln_indented(#variant_str)?
// })
// }
// })
// .filter(Option::is_some)
// .map(Option::unwrap)
// .collect::<Vec<_>>();
//
// quote! {
// impl PrettyPrint for #type_ident {
// fn pretty_print(&self, writer: &mut IndentWriter) -> std::io::Result<()> {
// writer.writeln_indented(#type_str)?;
// writer.increase_indent();
// match self {
// #(#child_matchers,)*
// _ => {}
// }
// writer.decrease_indent();
// Ok(())
// }
// }
// }
// }
//
// fn make_leaf_struct_p2_impl(leaf_struct_build_spec: &LeafStructBuildSpec) -> TokenStream {
// let type_ident = format_ident!("{}", leaf_struct_build_spec.build());
// let member_formatters = leaf_struct_build_spec
// .members()
// .map(|member| match member.kind() {
// LeafStructMemberKind::String => Some("{}"),
// })
// .filter(Option::is_some)
// .map(Option::unwrap)
// .collect::<Vec<_>>()
// .join(", ");
//
// let format_string = format!("{}({})", leaf_struct_build_spec.build(), member_formatters);
//
// let members = leaf_struct_build_spec
// .members()
// .map(|member| {
// let member_ident = format_ident!("{}", member.name());
// quote! {
// self.#member_ident()
// }
// })
// .collect::<Vec<_>>();
//
// quote! {
// impl PrettyPrint for #type_ident {
// fn pretty_print(&self, writer: &mut IndentWriter) -> std::io::Result<()> {
// writer.writeln_indented(&format!(#format_string, #(#members),*))
// }
// }
// }
// }
//
// fn make_struct_p2_impl(struct_build_spec: &StructSpec) -> TokenStream {
// let child_print_statements = struct_build_spec
// .children()
// .map(|child| match child {
// StructChildSpec::SkipChild(_) => None,
// StructChildSpec::VecChild(vec_child) => match vec_child.build() {
// VecChildToBuild::Node(_) => {
// let child_ident = format_ident!("{}", vec_child.name());
// Some(quote! {
// for child in self.#child_ident() {
// child.pretty_print(writer)?;
// }
// })
// }
// VecChildToBuild::String => None,
// },
// StructChildSpec::MemberChild(member_child) => match member_child.build() {
// MemberChildToBuild::Node(node_member_child) => {
// let child_ident = format_ident!("{}", member_child.name());
// if node_member_child.optional() {
// Some(quote! {
// if let Some(child) = self.#child_ident() {
// child.pretty_print(writer)?;
// }
// })
// } else {
// Some(quote! {
// self.#child_ident().pretty_print(writer)?;
// })
// }
// }
// MemberChildToBuild::Boolean(boolean_member_child) => {
// let format_string = format!("{}({})", boolean_member_child.name(), "{}");
// let child_ident = format_ident!("{}", boolean_member_child.name());
// Some(quote! {
// writer.writeln_indented(&format!(#format_string, self.#child_ident()))?;
// })
// }
// },
// })
// .filter(Option::is_some)
// .map(Option::unwrap)
// .collect::<Vec<_>>();
//
// let type_ident = format_ident!("{}", struct_build_spec.build());
// let type_string = struct_build_spec.build();
//
// quote! {
// impl PrettyPrint for #type_ident {
// fn pretty_print(&self, writer: &mut IndentWriter) -> std::io::Result<()> {
// writer.writeln_indented(#type_string)?;
// writer.increase_indent();
// #(#child_print_statements)*
// writer.decrease_indent();
// Ok(())
// }
// }
// }
// }
//
// pub fn make_pretty_print_impl(build_spec: &BuildSpec) -> TokenStream {
// match build_spec {
// BuildSpec::Struct(struct_spec) => make_struct_p2_impl(struct_spec),
// BuildSpec::LeafStruct(leaf_struct) => make_leaf_struct_p2_impl(leaf_struct),
// BuildSpec::Enum(enum_spec) => make_enum_p2_impl(enum_spec),
// BuildSpec::LeafEnum(leaf_enum) => make_leaf_enum_p2_impl(leaf_enum),
// BuildSpec::PolymorphicType(polymorphic) => make_polymorphic_type_p2_impl(polymorphic),
// BuildSpec::PolymorphicBuild(polymorphic_build) => {
// make_polymorphic_build_p2_impl(polymorphic_build)
// }
// BuildSpec::PolymorphicEnum(polymorphic_enum) => {
// make_polymorphic_enum_p2_impl(polymorphic_enum)
// }
// BuildSpec::Production(production) => make_production_p2_impl(production),
// }
// }
use crate::spec::leaf_enum_spec::LeafEnumBuildSpec;
use crate::spec::leaf_struct_spec::{LeafStructBuildSpec, LeafStructMemberKind};
use crate::spec::polymorphic_type_spec::PolymorphicTypeBuildSpec;
use crate::spec::struct_spec::{MemberChildBuild, StructChild, StructSpec, VecChildBuild};
use crate::spec::tree_enum_spec::{EnumRuleChildKind, TreeEnumBuildSpec};
use crate::spec::BuildSpec;
use convert_case::{Case, Casing};
use proc_macro2::TokenStream;
use quote::{format_ident, quote};
fn make_polymorphic_type_p2_impl(spec: &PolymorphicTypeBuildSpec) -> TokenStream {
let type_ident = format_ident!("{}", spec.name());
let child_matchers = spec
.variants()
.map(|member| {
let enum_member_ident = format_ident!("{}", member.name());
let inner_name = format_ident!("{}", member.inner_kind().to_case(Case::Snake));
quote! {
#type_ident::#enum_member_ident(#inner_name) => #inner_name.pretty_print(writer)
}
})
.collect::<Vec<_>>();
quote! {
impl PrettyPrint for #type_ident {
fn pretty_print(&self, writer: &mut IndentWriter) -> std::io::Result<()> {
match self {
#(#child_matchers,)*
}
}
}
}
}
fn make_leaf_enum_p2_impl(spec: &LeafEnumBuildSpec) -> TokenStream {
let type_ident = format_ident!("{}", spec.build());
let child_matchers = spec
.rules()
.map(|rule| {
let enum_variant_ident = format_ident!("{}", rule);
let name_str = rule;
quote! {
#type_ident::#enum_variant_ident => writer.writeln_indented(#name_str)
}
})
.collect::<Vec<_>>();
quote! {
impl PrettyPrint for #type_ident {
fn pretty_print(&self, writer: &mut IndentWriter) -> std::io::Result<()> {
match self {
#(#child_matchers,)*
}
}
}
}
}
fn make_tree_enum_p2_impl(spec: &TreeEnumBuildSpec) -> TokenStream {
let type_ident = format_ident!("{}", spec.build());
let type_str = spec.build();
let child_matchers = spec
.rules()
.map(|rule| {
let enum_variant_ident = format_ident!("{}", rule.rule());
if let Some(child) = rule.child() {
match child.kind() {
EnumRuleChildKind::Node(node_child) => {
let child_name_ident =
format_ident!("{}", node_child.node_kind().to_case(Case::Snake));
Some(quote! {
#type_ident::#enum_variant_ident(#child_name_ident) => {
#child_name_ident.pretty_print(writer)?;
}
})
}
_ => None,
}
} else {
let variant_str = rule.rule();
Some(quote! {
#type_ident::#enum_variant_ident => writer.writeln_indented(#variant_str)?
})
}
})
.filter(Option::is_some)
.map(Option::unwrap)
.collect::<Vec<_>>();
quote! {
impl PrettyPrint for #type_ident {
fn pretty_print(&self, writer: &mut IndentWriter) -> std::io::Result<()> {
writer.writeln_indented(#type_str)?;
writer.increase_indent();
match self {
#(#child_matchers,)*
_ => {}
}
writer.decrease_indent();
Ok(())
}
}
}
}
fn make_leaf_struct_p2_impl(leaf_struct_build_spec: &LeafStructBuildSpec) -> TokenStream {
let type_ident = format_ident!("{}", leaf_struct_build_spec.build());
let member_formatters = leaf_struct_build_spec
.members()
.map(|member| match member.kind() {
LeafStructMemberKind::String => Some("{}"),
})
.filter(Option::is_some)
.map(Option::unwrap)
.collect::<Vec<_>>()
.join(", ");
let format_string = format!("{}({})", leaf_struct_build_spec.build(), member_formatters);
let members = leaf_struct_build_spec
.members()
.map(|member| {
let member_ident = format_ident!("{}", member.name());
quote! {
self.#member_ident()
}
})
.collect::<Vec<_>>();
quote! {
impl PrettyPrint for #type_ident {
fn pretty_print(&self, writer: &mut IndentWriter) -> std::io::Result<()> {
writer.writeln_indented(&format!(#format_string, #(#members),*))
}
}
}
}
fn make_struct_p2_impl(struct_build_spec: &StructSpec) -> TokenStream {
let child_print_statements = struct_build_spec
.children()
.map(|child| match child {
StructChild::SkipChild(_) => None,
StructChild::VecChild(vec_child) => match vec_child.build() {
VecChildBuild::Node(_) => {
let child_ident = format_ident!("{}", vec_child.name());
Some(quote! {
for child in self.#child_ident() {
child.pretty_print(writer)?;
}
})
}
VecChildBuild::String(_) => None,
},
StructChild::MemberChild(member_child) => match member_child.build() {
MemberChildBuild::Node(_) => {
let child_ident = format_ident!("{}", member_child.name());
if member_child.optional() {
Some(quote! {
if let Some(child) = self.#child_ident() {
child.pretty_print(writer)?;
}
})
} else {
Some(quote! {
self.#child_ident().pretty_print(writer)?;
})
}
}
MemberChildBuild::Boolean(_) => {
let format_string = format!("{}({})", member_child.name(), "{}");
let child_ident = format_ident!("{}", member_child.name());
Some(quote! {
writer.writeln_indented(&format!(#format_string, self.#child_ident()))?;
})
}
},
})
.filter(Option::is_some)
.map(Option::unwrap)
.collect::<Vec<_>>();
let type_ident = format_ident!("{}", struct_build_spec.build());
let type_string = struct_build_spec.build();
quote! {
impl PrettyPrint for #type_ident {
fn pretty_print(&self, writer: &mut IndentWriter) -> std::io::Result<()> {
writer.writeln_indented(#type_string)?;
writer.increase_indent();
#(#child_print_statements)*
writer.decrease_indent();
Ok(())
}
}
}
}
pub fn make_pretty_print_impl(build_spec: &BuildSpec) -> Option<TokenStream> {
match build_spec {
BuildSpec::Struct(struct_spec) => Some(make_struct_p2_impl(struct_spec)),
BuildSpec::LeafStruct(leaf_struct) => Some(make_leaf_struct_p2_impl(leaf_struct)),
BuildSpec::Enum(enum_spec) => Some(make_tree_enum_p2_impl(enum_spec)),
BuildSpec::LeafEnum(leaf_enum) => Some(make_leaf_enum_p2_impl(leaf_enum)),
BuildSpec::Production(_) => None,
BuildSpec::NodeProduction(_) => None,
BuildSpec::PolymorphicType(polymorphic_type) => {
Some(make_polymorphic_type_p2_impl(polymorphic_type))
}
BuildSpec::PolymorphicPassThrough(_) => None,
BuildSpec::PolymorphicEnumLoop(_) => None,
}
}