Intrinsic Type Casting (#19)

.github/workflows/ci.yml

@@ -25,4 +25,4 @@ jobs:
         run: deno test
 
       - name: Compiler behaviour tests
-        run: npm run test:reflect
+        run: deno task test:salient

deno.json

@@ -1,12 +1,25 @@
 {
+	"tasks": {
+		"build": "npx run-s build:*",
+		"build:syntax": "npx bnf-compile ./source/bnf/",
+		"build:compiler": "deno compile --output salient.exe -A ./source/cli.ts",
+		"test": "deno test && deno task test:salient",
+		"test:deno": "deno test",
+		"test:salient": "deno run -A ./source/cli.ts test ./tests",
+		"cli": "deno run -A ./source/cli.ts",
+		"sa-test": "deno run -A ./source/cli.ts test",
+		"compile": "deno run -A ./source/cli.ts compile"
+	},
 	"compilerOptions": {
-		"allowJs": true,
 		"strict": true,
 		"strictNullChecks": true,
-		"lib": ["ESNext", "DOM"]
+		"lib": ["ESNext", "DOM", "deno.ns"]
 	},
 	"imports": {
-		"~/": "./source/"
+		"~/": "./source/",
+		"bnf-parser": "npm:bnf-parser@^4.1.0",
+		"npm-run-all": "npm:npm-run-all@^4.1.5",
+		"chalk": "npm:chalk@^5.3.0"
 	},
 	"lint": {
 		"include": ["source/"],
@@ -25,7 +38,6 @@
 		"exclude": ["source/bnf/"]
 	},
 	"lock": false,
-	"nodeModulesDir": true,
 	"test": {
 		"include": ["tests/**"]
 	}

package.json

@@ -7,24 +7,10 @@
 	"files": [
 		"bin/*"
 	],
-	"scripts": {
-		"build": "npx run-s build:*",
-		"build:syntax": "npx bnf-compile ./source/bnf/",
-		"build:compiler": "deno compile --output salient.exe -A ./source/cli.ts",
-		"test": "npx run-s test:*",
-		"test:deno": "deno test",
-		"test:reflect": "npm run sa-test ./tests",
-		"cli": "deno run -A ./source/cli.ts",
-		"sa-test": "deno run -A ./source/cli.ts test",
-		"compile": "deno run -A ./source/cli.ts compile"
-	},
-	"bin": {
-		"salient": "bin/cli.js"
-	},
 	"preferGlobal": true,
 	"engineStrict": true,
 	"engines": {
-		"node": ">=18"
+		"deno": ">=2"
 	},
 	"repository": {
 		"type": "git",
@@ -35,13 +21,5 @@
 	"bugs": {
 		"url": "https://github.com/ajanibilby/salient/issues"
 	},
-	"homepage": "https://salient.moe",
-	"dependencies": {
-		"chalk": "^5.3.0"
-	},
-	"devDependencies": {
-		"bnf-parser": "^4.1.0",
-		"npm-run-all": "^4.1.5",
-		"typescript": "^5.2.2"
-	}
+	"homepage": "https://salient.moe"
 }

source/bnf/syntax.bnf

@@ -46,7 +46,8 @@ void ::= "void" ;
 hexidecimal ::= "0"->"9" | "a" -> "f";
 
 integer ::= ...integer_u ;
-	integer_u ::= ( digit_nz digit* ) | zero ;
+	digitish  ::= %"_" | digit;
+	integer_u ::= ( digit_nz digitish* ) | zero ;
 	zero ::= "0" ;
 float ::= ...( integer "." integer_u ( "e" integer )? ) ;
 

source/bnf/syntax.d.ts

@@ -398,6 +398,23 @@ export declare function Parse_Integer (i: string, refMapping?: boolean): _Shared
 	isPartial: boolean
 }
 
+export type Term_Digitish = {
+	type: 'digitish',
+	start: number,
+	end: number,
+	count: number,
+	ref: _Shared.ReferenceRange,
+	value: [
+		(Term_Digit)
+	]
+}
+export declare function Parse_Digitish (i: string, refMapping?: boolean): _Shared.ParseError | {
+	root: _Shared.SyntaxNode & Term_Digitish,
+	reachBytes: number,
+	reach: null | _Shared.Reference,
+	isPartial: boolean
+}
+
 export type Term_Integer_u = {
 	type: 'integer_u',
 	start: number,
@@ -413,7 +430,7 @@ export type Term_Integer_u = {
 	ref: _Shared.ReferenceRange,
 	value: [
 		Term_Digit_nz,
-		{ type: '(...)*', value: Array<Term_Digit>, start: number, end: number, count: number, ref: _Shared.ReferenceRange }
+		{ type: '(...)*', value: Array<Term_Digitish>, start: number, end: number, count: number, ref: _Shared.ReferenceRange }
 	]
 } | Term_Zero)
 	]

source/cli.ts

@@ -1,13 +1,11 @@
-/// <reference lib="deno.ns" />
-
 import * as colors from "https://deno.land/[email protected]/fmt/colors.ts";
 
 import { Compile } from "~/compile.ts";
 import { Panic } from "~/compiler/helper.ts";
 import { Test } from "~/test.ts";
 
 if (Deno.args.includes("--version")) {
-	console.log("version: 0.0.0");
+	console.info("version: 0.0.0");
 	Deno.exit(0);
 }
 

source/compile.ts

@@ -1,6 +1,4 @@
-/// <reference lib="deno.ns" />
-
-import { resolve, join, relative } from "https://deno.land/[email protected]/path/mod.ts";
+import { resolve, join, relative, dirname } from "https://deno.land/[email protected]/path/mod.ts";
 import { existsSync } from "https://deno.land/[email protected]/fs/mod.ts";
 import * as colors from "https://deno.land/[email protected]/fmt/colors.ts";
 
@@ -9,6 +7,7 @@ import Package from "~/compiler/package.ts";
 import Project from "~/compiler/project.ts";
 import { DisplayTimers, TimerStart, TimerEnd } from "~/helper.ts";
 import { Panic } from "~/compiler/helper.ts";
+import { File } from "~/compiler/file.ts";
 
 
 export async function Compile(entry: string, config: {
@@ -22,9 +21,16 @@ export async function Compile(entry: string, config: {
 	);
 
 	const project = new Project();
-	const mainPck = new Package(project, root);
+	const mainPck = new Package(project, dirname(root));
+
+	let mainFile: File;
+	try {
+		mainFile = mainPck.import(root);
+	} catch (e) {
+		console.error(e);
+		Deno.exit(1);
+	}
 
-	const mainFile = mainPck.import(root);
 	const mainFunc = mainFile.namespace["main"];
 	if (!(mainFunc instanceof Function)) Panic(
 		`Main namespace is not a function: ${colors.cyan(mainFunc.constructor.name)}`
@@ -58,8 +64,8 @@ export async function Compile(entry: string, config: {
 	}
 	if (config.time) TimerEnd("wasm2wat");
 
-	console.log(new TextDecoder().decode(stdout));
-	console.log(`  out: "out.wasm" + "out.wat"\n`);
+	console.info(new TextDecoder().decode(stdout));
+	console.info(`  out: "out.wasm" + "out.wat"\n`);
 
 	if (config.time) DisplayTimers();
 }

source/compiler/codegen/expression/constant.ts

@@ -124,7 +124,6 @@ function CompileFloat(ctx: Context, syntax: Syntax.Term_Float, expect?: Intrinsi
 
 
 
-
 const ESCAPE_SYMBOLS = {
 	"0": "\0",
 	"f": "\f",

source/compiler/codegen/expression/helper.ts

@@ -1,10 +1,11 @@
 import type * as Syntax from "~/bnf/syntax.d.ts";
 import { red } from "https://deno.land/[email protected]/fmt/colors.ts";
 
+import * as WasmTypes from "~/wasm/type.ts";
 import { AssertUnreachable, LatentOffset } from "~/helper.ts";
 import { BasePointerType, LinearType } from "~/compiler/codegen/expression/type.ts";
 import { ReferenceRange } from "~/bnf/shared.js";
-import { IntrinsicType } from "~/compiler/intrinsic.ts";
+import { IntrinsicType, f32, f64, i32, i64 } from "~/compiler/intrinsic.ts";
 import { Instruction } from "~/wasm/index.ts";
 import { SourceView } from "~/parser.ts";
 import { Context } from "~/compiler/codegen/context.ts";
@@ -57,6 +58,53 @@ export function Load(ctx: Context, type: IntrinsicType, offset: number | LatentO
 }
 
 
+export function InlineClamp(ctx: Context, type: IntrinsicType, min: number | null, max: number | null) {
+	let scope;
+	switch (type.bitcode) {
+		case WasmTypes.Intrinsic.i32: scope = Instruction.i32; break;
+		case WasmTypes.Intrinsic.i64: scope = Instruction.i64; break;
+		case WasmTypes.Intrinsic.f32: scope = Instruction.f32; break;
+		case WasmTypes.Intrinsic.f64: scope = Instruction.f64; break;
+		default: throw "Assert failed";
+	}
+
+	const x = ctx.scope.register.allocate(type.bitcode);
+	if (min !== null) {
+		ctx.block.push(Instruction.local.tee(x.ref));
+		ctx.block.push(scope.const(min));
+
+		if ("lt" in scope) ctx.block.push(scope.lt());  // float
+		else {
+			if (type.signed) ctx.block.push(scope.lt_s());
+			else ctx.block.push(scope.lt_u());
+		}
+
+		ctx.block.push(Instruction.if(type.bitcode,
+			[ scope.const(min) ],
+			[ Instruction.local.get(x.ref) ],
+		));
+	}
+
+	if (max !== null) {
+		ctx.block.push(Instruction.local.tee(x.ref));
+		ctx.block.push(scope.const(max));
+
+		if ("gt" in scope) ctx.block.push(scope.gt()); // float
+		else {
+			if (type.signed) ctx.block.push(scope.gt_s());
+			else ctx.block.push(scope.gt_u());
+		}
+
+		ctx.block.push(Instruction.if(type.bitcode,
+			[ scope.const(max) ],
+			[ Instruction.local.get(x.ref) ],
+		));
+	}
+
+	x.free();
+}
+
+
 export function ResolveLinearType(ctx: Context, type: LinearType, ref: ReferenceRange, strict = true) {
 	if (strict) {
 		const errs = type.getCompositionErrors();