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Added length parameter and ran linter

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This commit is contained in:
Patrick Demian 2020-10-13 05:23:43 -04:00
parent 88c5b203fd
commit 1354272eb8
2 changed files with 28 additions and 27 deletions
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50
src/tokenizer.ts
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@ -96,22 +96,22 @@ const numbers = {
"eight": "8", "eight": "8",
"nine": "9", "nine": "9",
"ten": "10" "ten": "10"
} };
interface token_transformation { interface token_transformation {
[key: string]: { preceeding_token: string, transforms_to: TokenType }[] [key: string]: { preceeding_token: string, transforms_to: TokenType }[]
} }
const token_transformations : token_transformation = { const token_transformations : token_transformation = {
"thing": [{ preceeding_token: "any", transforms_to: TokenType.KEYWORD_ANY }], "thing": [ { preceeding_token: "any", transforms_to: TokenType.KEYWORD_ANY } ],
"things": [{ preceeding_token: "any", transforms_to: TokenType.KEYWORD_ANY }], "things": [ { preceeding_token: "any", transforms_to: TokenType.KEYWORD_ANY } ],
"space": [{ preceeding_token: "white", transforms_to: TokenType.KEYWORD_WHITESPACE_SPECIFIER }], "space": [ { preceeding_token: "white", transforms_to: TokenType.KEYWORD_WHITESPACE_SPECIFIER } ],
"spaces": [{ preceeding_token: "white", transforms_to: TokenType.KEYWORD_WHITESPACE_SPECIFIER }], "spaces": [ { preceeding_token: "white", transforms_to: TokenType.KEYWORD_WHITESPACE_SPECIFIER } ],
"wise": [{ preceeding_token: "other", transforms_to: TokenType.KEYWORD_ELSE }], "wise": [ { preceeding_token: "other", transforms_to: TokenType.KEYWORD_ELSE } ],
"line": [{ preceeding_token: "multi", transforms_to: TokenType.KEYWORD_MULTILINE }, "line": [ { preceeding_token: "multi", transforms_to: TokenType.KEYWORD_MULTILINE },
{ preceeding_token: "new", transforms_to: TokenType.KEYWORD_NEWLINE }], { preceeding_token: "new", transforms_to: TokenType.KEYWORD_NEWLINE } ],
"feed": [{ preceeding_token: "line", transforms_to: TokenType.KEYWORD_LINEFEED }], "feed": [ { preceeding_token: "line", transforms_to: TokenType.KEYWORD_LINEFEED } ],
"return": [{ preceeding_token: "carriage", transforms_to: TokenType.KEYWORD_CARRIAGE_RETURN }], "return": [ { preceeding_token: "carriage", transforms_to: TokenType.KEYWORD_CARRIAGE_RETURN } ],
}; };
const escape_sequences = { const escape_sequences = {
@ -245,18 +245,18 @@ export function tokenize(input: string, options: TokenizerOptions) : TokenizeRes
for(let i = 0; i < input.length; i++, position++) { for(let i = 0; i < input.length; i++, position++) {
// 4 spaces = 1 tab. That is final. Debate over // 4 spaces = 1 tab. That is final. Debate over
if(options.convert_spaces_to_tabs && input.startsWith(" ", i)) { if(options.convert_spaces_to_tabs && input.startsWith(" ", i)) {
tokens.push(new Token(TokenType.INDENT, line, position)); tokens.push(new Token(TokenType.INDENT, line, position, 4));
i += 3; i += 3;
position += 3; position += 3;
} }
// between (ex: 0...3 or 0-3) // between (ex: 0...3 or 0-3)
else if(input.startsWith("...", i)) { else if(input.startsWith("...", i)) {
tokens.push(new Token(TokenType.BETWEEN, line, position)); tokens.push(new Token(TokenType.BETWEEN, line, position, 3));
i += 2; i += 2;
position += 2; position += 2;
} }
else if(input.startsWith("..", i)) { else if(input.startsWith("..", i)) {
tokens.push(new Token(TokenType.BETWEEN, line, position)); tokens.push(new Token(TokenType.BETWEEN, line, position, 3));
i++; i++;
position++; position++;
} }
@ -264,7 +264,7 @@ export function tokenize(input: string, options: TokenizerOptions) : TokenizeRes
else if(input.startsWith("//", i)) { else if(input.startsWith("//", i)) {
for(i++, position++; i < input.length; i++, position++) { for(i++, position++; i < input.length; i++, position++) {
if(input[i] === "\n") { if(input[i] === "\n") {
tokens.push(new Token(TokenType.END_OF_STATEMENT, line, position)); tokens.push(new Token(TokenType.END_OF_STATEMENT, line, position, 0));
break; break;
} }
} }
@ -292,7 +292,7 @@ export function tokenize(input: string, options: TokenizerOptions) : TokenizeRes
} }
} }
else if (input.startsWith("\r\n", i)) { else if (input.startsWith("\r\n", i)) {
tokens.push(new Token(TokenType.END_OF_STATEMENT, line, position)); tokens.push(new Token(TokenType.END_OF_STATEMENT, line, position, 0));
i++; i++;
line++; line++;
position = 0; position = 0;
@ -303,7 +303,7 @@ export function tokenize(input: string, options: TokenizerOptions) : TokenizeRes
case "#": case "#":
for(i++, position++; i < input.length; i++, position++) { for(i++, position++; i < input.length; i++, position++) {
if(input[i] === "\n") { if(input[i] === "\n") {
tokens.push(new Token(TokenType.END_OF_STATEMENT, line, position)); tokens.push(new Token(TokenType.END_OF_STATEMENT, line, position, 0));
line++; line++;
position = 0; position = 0;
break; break;
@ -353,7 +353,7 @@ export function tokenize(input: string, options: TokenizerOptions) : TokenizeRes
} while(i < input.length); } while(i < input.length);
if(found_ending) { if(found_ending) {
tokens.push(new Token(TokenType.QUOTE, line, position, quote)); tokens.push(new Token(TokenType.QUOTE, line, position, quote.length+2, quote));
} }
else { else {
//we reached the end of the line or the end of the file //we reached the end of the line or the end of the file
@ -365,14 +365,14 @@ export function tokenize(input: string, options: TokenizerOptions) : TokenizeRes
} }
// between (ex: 0...3 or 0-3) // between (ex: 0...3 or 0-3)
case "-": case "-":
tokens.push(new Token(TokenType.BETWEEN, line, position)); tokens.push(new Token(TokenType.BETWEEN, line, position, 1));
break; break;
case "+": case "+":
tokens.push(new Token(TokenType.KEYWORD_OR, line, position)); tokens.push(new Token(TokenType.KEYWORD_OR, line, position, 1));
tokens.push(new Token(TokenType.KEYWORD_MORE, line, position)); tokens.push(new Token(TokenType.KEYWORD_MORE, line, position, 0));
break; break;
case "\n": case "\n":
tokens.push(new Token(TokenType.END_OF_STATEMENT, line, position)); tokens.push(new Token(TokenType.END_OF_STATEMENT, line, position, 0));
line++; line++;
position = 0; position = 0;
break; break;
@ -380,7 +380,7 @@ export function tokenize(input: string, options: TokenizerOptions) : TokenizeRes
// ignore // ignore
break; break;
case "\t": case "\t":
tokens.push(new Token(TokenType.INDENT, line, position)); tokens.push(new Token(TokenType.INDENT, line, position, 1));
break; break;
case " ": case " ":
// ignore // ignore
@ -396,7 +396,7 @@ export function tokenize(input: string, options: TokenizerOptions) : TokenizeRes
digits += input[i+1]; digits += input[i+1];
} }
tokens.push(new Token(TokenType.NUMBER, line, digit_begin, digits)); tokens.push(new Token(TokenType.NUMBER, line, digit_begin, position-digit_begin+1, digits));
} }
// is char? build up a word // is char? build up a word
else if(is_char(input, i)) { else if(is_char(input, i)) {
@ -412,11 +412,11 @@ export function tokenize(input: string, options: TokenizerOptions) : TokenizeRes
// keyword (ex. "match") // keyword (ex. "match")
if(keywords[keyword_text]) { if(keywords[keyword_text]) {
tokens.push(new Token(keywords[keyword_text], line, word_begin, keyword_text)); tokens.push(new Token(keywords[keyword_text], line, word_begin, position-word_begin+1, keyword_text));
} }
// text number (ex. "one") // text number (ex. "one")
else if(numbers[keyword_text]) { else if(numbers[keyword_text]) {
tokens.push(new Token(TokenType.NUMBER, line, word_begin, keyword_text)); tokens.push(new Token(TokenType.NUMBER, line, word_begin, position-word_begin+1, keyword_text));
} }
else { else {
errors.push(new TokenError(`Unknown keyword "${text}"`, line, word_begin)); errors.push(new TokenError(`Unknown keyword "${text}"`, line, word_begin));

5
src/tokens.ts
View File

@ -62,8 +62,7 @@ export class TokenError extends Error {
} }
export class Token { export class Token {
/* TODO: end line and position? */ constructor(public type: TokenType, public line: number, public position: number, public length: number, public token_string?: string) {
constructor(public type: TokenType, public line: number, public position: number, public token_string?: string) {
/* nothing required */ /* nothing required */
} }
@ -74,6 +73,8 @@ export class Token {
str += ` "${this.token_string}"`; str += ` "${this.token_string}"`;
} }
str += ` (size: ${this.length})`;
return str; return str;
} }
} }