uh

package.json

@@ -21,7 +21,7 @@
 	"types": "dist/index.d.ts",
 	"scripts": {
 		"build": "npx tsc",
-		"watch": "npx tsc --watch",
+		"build-watch": "npx tsc --watch",
 		"test": "bun test/app.ts",
 		"test-watch": "bun --watch test/app.ts",
 		"prefetch": "bun scripts/prefetch"

src/compilers/bindings/Bindings.ts

@@ -1,149 +0,0 @@
-import { Token, TokenKind } from "./types.js"
-
-export const BindingTranspiler = {
-	isBlankChar(char: string) {
-		return /\s/.test(char)
-	},
-
-	isWordChar(char: string) {
-		return char && /\w/.test(char)
-	},
-
-	isNumberChar(char: string) {
-		return /\d/.test(char)
-	},
-
-	token(input: string, kind: TokenKind, start: number, length: number = 1): Token {
-		return {
-			value: input.slice(start, start + length),
-			kind,
-			start,
-			length,
-		}
-	},
-
-	lexer(input: string) {
-		const tokens: Token[] = []
-
-		let index = 0
-		do {
-			const token = input[index]
-
-			if (BindingTranspiler.isBlankChar(token)) continue
-
-			switch (token) {
-				// Literals
-				case "#":
-				case "$": {
-					const start = index++
-
-					do {
-						const token = input[index]
-						if (BindingTranspiler.isWordChar(token)) continue
-						else break
-					} while (++index < input.length)
-
-					tokens.push(BindingTranspiler.token(input, TokenKind.VARIABLE, start, index - start))
-
-					break
-				}
-
-				case "'": {
-					const start = index++
-
-					do {
-						const token = input[index]
-						if (token === "'") break
-					} while (++index < input.length)
-
-					tokens.push(BindingTranspiler.token(input, TokenKind.STRING, start, index - start + 1))
-
-					break
-				}
-
-				case "`": {
-					const start = index++,
-						struct: boolean[] = []
-
-					do {
-						const token = input[index]
-						let lastStruct = struct.lastItem()
-
-						if (token === "`") {
-							if (struct.length) {
-								if (lastStruct === false) struct.pop()
-								else struct.push(false)
-							} else break
-						}
-
-						if (token === "$") {
-							if (input[index + 1] === "{" && !lastStruct) {
-								struct.push(true)
-								index++
-							}
-						}
-
-						if (token === "}" && lastStruct === true) struct.pop()
-					} while (++index < input.length)
-
-					tokens.push(BindingTranspiler.token(input, TokenKind.TEMPLATE_STRING, start, index - start + 1))
-
-					break
-				}
-
-				case ",":
-					tokens.push(BindingTranspiler.token(input, TokenKind.COMMA, index))
-					break
-
-				// Single operators
-				case "+":
-				case "-":
-				case "*":
-				case "/":
-					tokens.push(BindingTranspiler.token(input, TokenKind.OPERATOR, index))
-					break
-
-				case "(":
-					tokens.push(BindingTranspiler.token(input, TokenKind.OPEN_PARENTHESIS, index))
-					break
-
-				case ")":
-					tokens.push(BindingTranspiler.token(input, TokenKind.CLOSE_PARENTHESIS, index))
-					break
-
-				// Double operators
-				case "&":
-				case "|":
-				case "=":
-					if (input[index + 1] === input[index])
-						tokens.push(BindingTranspiler.token(input, TokenKind.OPERATOR, ++index, 2))
-					else tokens.push(BindingTranspiler.token(input, TokenKind.OPERATOR, index))
-					break
-
-				case "!":
-				case ">":
-				case "<":
-					if (input[index + 1] === "=")
-						tokens.push(BindingTranspiler.token(input, TokenKind.OPERATOR, ++index, 2))
-					else tokens.push(BindingTranspiler.token(input, TokenKind.OPERATOR, index))
-					break
-
-				default: {
-					let start = index
-
-					if (BindingTranspiler.isNumberChar(token)) {
-						while (BindingTranspiler.isNumberChar(input[index + 1])) index++
-						tokens.push(BindingTranspiler.token(input, TokenKind.NUMBER, start, index - start + 1))
-					} else if (BindingTranspiler.isWordChar(token)) {
-						while (BindingTranspiler.isWordChar(input[index + 1])) index++
-						tokens.push(BindingTranspiler.token(input, TokenKind.WORD, start, index - start + 1))
-					}
-				}
-			}
-		} while (++index < input.length)
-
-		return tokens
-	},
-
-	parser(input: string, tokens: Token[]) {},
-}

src/compilers/bindings/Checker.ts

@@ -0,0 +1,11 @@
+export function isBlankChar(char: string) {
+	return /\s/.test(char)
+}
+
+export function isWordChar(char: string) {
+	return char && /\w/.test(char)
+}
+
+export function isNumberChar(char: string) {
+	return /\d/.test(char)
+}

src/compilers/bindings/Funtion.ts

@@ -0,0 +1,33 @@
+import { RandomBindingString } from "../../components/Utils.js"
+import { Expression, GenBinding } from "./types.js"
+
+export const FuntionMap = new Map<
+	string,
+	(...args: Expression[]) => {
+		genBindings?: GenBinding[]
+		value: Expression
+	}
+>()
+
+// Default Functions
+FuntionMap.set("abs", number => {
+	const randomBinding = RandomBindingString(16)
+	return {
+		genBindings: [{ source: `((-1 + (${number} > 0) * 2) * ${number})`, target: randomBinding }],
+		value: randomBinding,
+	}
+})
+
+FuntionMap.set("new", expression => {
+	const randomBinding = RandomBindingString(16)
+	return {
+		genBindings: [{ source: expression, target: randomBinding }],
+		value: randomBinding,
+	}
+})
+
+FuntionMap.set("max", (...args) => {
+	return {
+		value: "#a",
+	}
+})

src/compilers/bindings/Lexer.ts

@@ -0,0 +1,126 @@
+import { makeToken, TokenKind, Token } from "./types.js"
+import * as Checker from "./Checker.js"
+
+export function Lexer(input: string) {
+	const tokens: Token[] = []
+
+	if (input.length === 0) return tokens
+
+	let index = 0
+	do {
+		const token = input[index]
+
+		if (Checker.isBlankChar(token)) continue
+
+		switch (token) {
+			// Literals
+			case "#":
+			case "$": {
+				const start = index++
+
+				while (index < input.length) {
+					const token = input[index]
+					if (Checker.isWordChar(token)) index++
+					else break
+				}
+
+				tokens.push(makeToken(input, TokenKind.VARIABLE, start, index-- - start))
+
+				break
+			}
+
+			case "'": {
+				const start = index++
+
+				do {
+					const token = input[index]
+					if (token === "'") break
+				} while (++index < input.length)
+
+				tokens.push(makeToken(input, TokenKind.STRING, start, index - start + 1))
+
+				break
+			}
+
+			case "`": {
+				const start = index++,
+					struct: boolean[] = []
+
+				do {
+					const token = input[index]
+					let lastStruct = struct.lastItem()
+
+					if (token === "`") {
+						if (struct.length) {
+							if (lastStruct === false) struct.pop()
+							else struct.push(false)
+						} else break
+					}
+
+					if (token === "$") {
+						if (input[index + 1] === "{" && !lastStruct) {
+							struct.push(true)
+							index++
+						}
+					}
+
+					if (token === "}" && lastStruct === true) struct.pop()
+				} while (++index < input.length)
+
+				tokens.push(makeToken(input, TokenKind.TEMPLATE_STRING, start, index - start + 1))
+
+				break
+			}
+
+			case ",":
+				tokens.push(makeToken(input, TokenKind.COMMA, index))
+				break
+
+			// Single operators
+			case "+":
+			case "-":
+			case "*":
+			case "/":
+			case "%":
+				tokens.push(makeToken(input, TokenKind.OPERATOR, index))
+				break
+
+			case "(":
+				tokens.push(makeToken(input, TokenKind.OPEN_PARENTHESIS, index))
+				break
+
+			case ")":
+				tokens.push(makeToken(input, TokenKind.CLOSE_PARENTHESIS, index))
+				break
+
+			// Double operators
+			case "&":
+			case "|":
+			case "=":
+				if (input[index + 1] === input[index]) tokens.push(makeToken(input, TokenKind.OPERATOR, index++, 2))
+				else tokens.push(makeToken(input, TokenKind.OPERATOR, index))
+				break
+
+			case "!":
+			case ">":
+			case "<":
+				if (input[index + 1] === "=") tokens.push(makeToken(input, TokenKind.OPERATOR, index++, 2))
+				else tokens.push(makeToken(input, TokenKind.OPERATOR, index))
+				break
+
+			default: {
+				let start = index
+
+				if (Checker.isNumberChar(token)) {
+					while (Checker.isNumberChar(input[index + 1])) index++
+					tokens.push(makeToken(input, TokenKind.NUMBER, start, index - start + 1))
+				} else if (Checker.isWordChar(token)) {
+					while (Checker.isWordChar(input[index + 1])) index++
+					tokens.push(makeToken(input, TokenKind.WORD, start, index - start + 1))
+				}
+			}
+		}
+	} while (++index < input.length)
+
+	return tokens
+}

src/compilers/bindings/Parser.ts

@@ -0,0 +1,235 @@
+import { BindingType } from "../../types/enums/BindingType.js"
+import { BindingItem } from "../../types/properties/value.js"
+import { FuntionMap } from "./Funtion.js"
+import { Lexer } from "./Lexer.js"
+import { Expression, GenBinding, Token, TokenKind } from "./types.js"
+
+export class Parser {
+	position: number = 0
+	tokens: Token[]
+
+	genBindings: GenBinding[] = []
+	output: Expression
+
+	constructor(private input: string) {
+		this.tokens = Lexer(this.input)
+		this.output = this.parseExpression()
+	}
+
+	at() {
+		return this.tokens[this.position]
+	}
+
+	eat() {
+		return this.tokens[this.position++]
+	}
+
+	last() {
+		return this.tokens[this.tokens.length - 1]
+	}
+
+	private parseExpression(): Expression {
+		return this.parseAdditiveExpression()
+	}
+
+	private parseAdditiveExpression(): Expression {
+		let left = this.parseMultiplicativeExpression(),
+			current
+
+		while (
+			(current = this.at()) &&
+			this.at()?.kind === TokenKind.OPERATOR &&
+			["+", "-", "==", ">", "<", ">=", "<=", "!=", "&&", "||"].includes(current.value)
+		) {
+			const operator = this.eat()
+			const right = this.parseMultiplicativeExpression()
+
+			switch (operator.value) {
+				case "==":
+					left = `(${left} = ${right})`
+					break
+
+				case ">=":
+				case "<=":
+					left = `((${left} ${operator.value[0]} ${right}) or (${left} = ${right}))`
+					break
+
+				case "!=":
+					left = `(not (${left} = ${right}))`
+					break
+
+				case "&&":
+					left = `(${left} and ${right})`
+					break
+
+				case "||":
+					left = `(${left} or ${right})`
+					break
+
+				default:
+					left = `(${left} ${operator.value} ${right})`
+					break
+			}
+		}
+
+		return left
+	}
+
+	private parseMultiplicativeExpression(): Expression {
+		let left = this.parsePrimaryExpression(),
+			current
+
+		while (
+			(current = this.at()) &&
+			this.at()?.kind === TokenKind.OPERATOR &&
+			["*", "/", "%"].includes(current.value)
+		) {
+			const operator = this.eat()
+			const right = this.parsePrimaryExpression()
+
+			if (current.value === "%") left = `(${left} - ${left} / ${right} * ${right})`
+			else left = `(${left} ${operator.value} ${right})`
+		}
+
+		return left
+	}
+
+	private parsePrimaryExpression(): Expression {
+		const left = this.at()
+
+		switch (left?.kind) {
+			case TokenKind.WORD:
+				return this.parseCallExpression(this.eat())
+
+			case TokenKind.OPEN_PARENTHESIS: {
+				this.eat()
+				const value = this.parseExpression()
+				this.expect(TokenKind.CLOSE_PARENTHESIS, "Unexpected token!")
+				this.eat()
+				return `(${value})`
+			}
+
+			case TokenKind.OPERATOR: {
+				if (left.value === "-" || left.value === "+") {
+					this.eat()
+
+					let negative = left.value === "-",
+						current
+
+					while ((current = this.at()) && current.kind === TokenKind.OPERATOR) {
+						if (current.value === "-") {
+							this.eat()
+							negative = !negative
+						} else if (current.value === "+") {
+							this.eat()
+							continue
+						}
+					}
+
+					const value = this.parsePrimaryExpression()
+
+					return negative ? `(0 - ${value})` : value
+				} else if (left.value === "!") {
+					this.eat()
+
+					let not = true,
+						current
+
+					while ((current = this.at()) && current.kind === TokenKind.OPERATOR) {
+						if (current.value === "!") {
+							this.eat()
+							not = !not
+						}
+					}
+
+					const value = this.parsePrimaryExpression()
+					return not ? `(not ${value})` : value
+				} else break
+			}
+
+			case TokenKind.VARIABLE:
+			case TokenKind.NUMBER:
+			case TokenKind.STRING:
+				return this.eat().value
+
+			case undefined:
+				this.expect(TokenKind.NUMBER, "Unexpected token!")
+		}
+
+		return left.value
+	}
+
+	private parseCallExpression(callerToken: Token): Expression {
+		const left = this.at()
+
+		if (left?.kind === TokenKind.OPEN_PARENTHESIS) {
+			this.eat()
+			const args: Expression[] = []
+
+			if (this.at().kind !== TokenKind.CLOSE_PARENTHESIS) {
+				args.push(this.parseExpression())
+
+				while (this.at().kind === TokenKind.COMMA) {
+					this.eat()
+					if (this.at().kind === TokenKind.CLOSE_PARENTHESIS) {
+						this.expect(TokenKind.CLOSE_PARENTHESIS, "Unexpected token!")
+					}
+					args.push(this.parseExpression())
+				}
+			}
+
+			this.eat()
+
+			return this.funtionCall(callerToken.value, ...args)
+		} else {
+			this.warn("This token should be a string!", callerToken)
+			return callerToken.value
+		}
+	}
+
+	private funtionCall(name: string, ...params: Expression[]): Expression {
+		const func = FuntionMap.get(name)
+		if (!func) {
+			return this.expect(TokenKind.WORD, "Function not found!")!
+		} else {
+			const { genBindings, value } = func(...params)
+			if (genBindings) this.genBindings.push(...genBindings)
+			return `(${value})`
+		}
+	}
+
+	private expect(kind: TokenKind, err: string) {
+		const prev = this.at() || this.last()
+		if (!prev || prev.kind !== kind) {
+			throw new Error(
+				`\x1b[31m${this.getPointer(prev)}\n` + `[ERROR]: ${err}\x1b[0m - Expected ${TokenKind[kind]}`
+			)
+		}
+	}
+
+	private warn(err: string, token?: Token) {
+		const prev = token || this.at()
+		console.warn(`\x1b[33m${this.getPointer(prev)}\n` + `[WARNING]: ${err}\x1b[0m`)
+	}
+
+	private getPointer(token: Token) {
+		return `${this.input.slice(0, token.start)}>>>${this.input.slice(
+			token.start,
+			token.start + token.length
+		)}<<<${this.input.slice(token.start + token.length)}`
+	}
+
+	out(): { gen?: BindingItem[]; out: Expression } {
+		return {
+			out: this.output,
+			gen: this.genBindings.map(
+				({ source, target }) =>
+					<BindingItem>{
+						binding_type: BindingType.VIEW,
+						source_property_name: `(${source})`,
+						target_property_name: `${target}`,
+					}
+			),
+		}
+	}
+}

src/compilers/bindings/index.ts

@@ -1 +1,4 @@
-export * from "./Bindings.js"
+export * from "./Checker.js"
+export * from "./Lexer.js"
+export * from "./Parser.js"
+export * from "./types.js"

src/compilers/bindings/types.ts

@@ -12,9 +12,31 @@ export enum TokenKind {
 	COMMA,
 }
 
+export enum GroupType {
+	FUNCTION_CALL,
+	FUNCTION_PARAMS,
+	OPERATOR_SCOPE,
+}
+
 export interface Token {
 	kind: TokenKind
 	value: string
 	start: number
 	length: number
 }
+
+export type Expression = string
+
+export function makeToken(input: string, kind: TokenKind, start: number, length: number = 1): Token {
+	return {
+		value: input.slice(start, start + length),
+		kind,
+		start,
+		length,
+	}
+}
+
+export interface GenBinding {
+	source: string
+	target: string
+}

src/components/Utils.ts

@@ -1,5 +1,5 @@
 import { Type } from "../types/enums/Type.js"
-import { Array3 } from "../types/properties/value.js"
+import { Array3, Binding } from "../types/properties/value.js"
 import { UI } from "./UI.js"
 
 import { Renderer } from "../types/enums/Renderer.js"
@@ -75,6 +75,10 @@ export function RandomString(length: number, base: number = 32) {
 	return out.join("")
 }
 
+export function RandomBindingString(length: number, base: number = 32): Binding {
+	return `#${RandomString(length, base)}`
+}
+
 // Quick Elements
 export function Panel(properties?: Panel, name?: string, namespace?: string) {
 	return new UI(Type.PANEL, name, namespace).setProperties(properties || {})

test/app.ts

@@ -1,7 +1,5 @@
-import { BindingTranspiler } from ".."
+import { Parser } from ".."
 
-const input = "abcdef + 123456"
+const { gen, out } = new Parser("new(#a + #b) >= #b").out()
 
-const lexer = BindingTranspiler.lexer(input)
+console.log(gen, out)
-
-console.log(lexer)