JsonRPC/src/targets/zig.ts

108 lines
2.8 KiB
TypeScript

import { TypeDefinition, ServiceDefinition, EnumDefinition, Step } from "../ir";
import { CompileTarget } from "../compile";
import { LineAppender, lineAppender } from "../utils";
import chalk from "chalk";
const conversion = {
boolean: "bool",
int: "i64",
float: "f64",
string: "[]u8",
void: "void",
bytes: "[]u8",
};
function toZigType(type: string): string {
return (conversion as any)[type] || type;
}
export class ZIGTarget extends CompileTarget<{ csharp_namespace: string }> {
name: string = "zig";
start(): void {
if (this.options.allow_bytes == true) {
throw new Error("Zig has no support for 'bytes' yet!");
}
}
getImport(name: string) {
return `const ${name} = @import("./${name}.zig").${name};`;
}
generateImports(a: lineAppender, def: TypeDefinition | ServiceDefinition) {
a(0, `const std = @import("std");`);
def.depends.forEach((dep) => {
a(0, this.getImport(dep));
});
}
generateType(definition: TypeDefinition): void {
const { a, getResult } = LineAppender();
this.generateImports(a, definition);
a(0, ``);
a(0, `pub const ${definition.name} = struct {`);
for (const field of definition.fields) {
if (field.array) {
a(1, `${field.name}: std.ArrayList(${toZigType(field.type)}),`);
} else if (field.map) {
a(
1,
`${field.name}: std.AutoHashMap(${toZigType(
field.map
)}, ${toZigType(field.type)}),`
);
} else {
a(1, `${field.name}: ${toZigType(field.type)},`);
}
}
a(0, `};`);
this.writeFile(`${definition.name}.zig`, getResult());
}
generateEnum(definition: EnumDefinition): void {
const { a, getResult } = LineAppender();
a(0, `pub const ${definition.name} = enum(i32) {`);
for (const entry of definition.values) {
a(1, `${entry.name} = ${entry.value},`);
}
a(0, `};`);
this.writeFile(`${definition.name}.zig`, getResult());
}
generateService(definition: ServiceDefinition): void {
throw new Error("Method not implemented.");
}
finalize(steps: Step[]): void {
const { a, getResult } = LineAppender();
steps.forEach(([type, def]) => {
switch (type) {
case "type":
a(0, `pub ${this.getImport(def.name)}`);
break;
case "enum":
a(0, `pub ${this.getImport(def.name)}`);
break;
default:
console.warn(
chalk.yellow("WARNING:"),
"unimplemented step found:",
type
);
// case "service":
}
});
this.writeFile(`mod.zig`, getResult());
}
}