@bavary/core - npm Package Compare versions

Comparing version 0.0.20 to 0.0.21

lib/bavary.js

@@ -1,3 +0,3 @@
-/*! Bavary 0.0.20 MIT | https://github.com/Simonwep/bavary */
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isn't defined anywhere but used in a condition.`);return n.lookupValue(e.obj,t.value)}case"identifier":if("null"===t.value)return null;throw new Error(`Unknown constant: "${t.value}"`);default:return t.value}}function s(e){return!(!1===e||null==e)}function a(e,t){let{operator:r}=t,n=o(e,t.left),a=o(e,t.right);switch(">"===r?(r="<",[n,a]=[a,n]):">="===r&&(r="<=",[n,a]=[a,n]),r){case"|":return s(n)||s(a);case"&":return s(n)&&s(a);case"=":return n===a;case"!=":return n!==a;case"<":{const e=typeof n,t=typeof a;if("string"===e&&"string"===t)return-1===n.localeCompare(a);if("number"===e&&"number"===t)return n<a;if(null!==n&&null!==a)throw new Error(`Invalid types used in comparison: ${e} ("${n}") ≠ ${t} ("${a}")`);return!1}case"<=":{const e=typeof n,t=typeof a;if("string"===e&&"string"===t)return n.localeCompare(a)<1;if("number"===e&&"number"===t)return n<=a;if(null!==n&&null!==a)throw new Error(`Invalid types used in comparison: ${e} ("${n}") ≠ ${t} ("${a}")`);return!1}}}t.evalBinaryExpression=a},function(e,t,r){Object.defineProperty(t,"__esModule",{value:!0});const n=r(2);t.evalDeclaration=({config:e,stream:t,decl:r,scope:o,result:s})=>{switch(t.stash(),r.type){case"combinator":if(!n.evalCombiantor({config:e,stream:t,decl:r,scope:o,result:s}))return t.pop(),!1;break;case"string":if(!n.evalString({config:e,stream:t,decl:r,scope:o,result:s}))return t.pop(),!1;break;case"character-selection":if(!n.evalCharacterSelection({config:e,stream:t,decl:r,scope:o,result:s}))return t.pop(),!1;break;case"reference":if(!n.evalReference({config:e,stream:t,decl:r,scope:o,result:s}))return t.pop(),!1;break;case"ignored":case"group":{const a="ignored"===r.type?r.value:r;if(!(n.evalGroup({config:e,stream:t,scope:o,decl:a,result:"ignored"===r.type?{pure:!1,obj:{},str:""}:s})||a.multiplier&&"optional"===a.multiplier.type))return t.pop(),!1;break}case"function":if(!n.evalFunction({config:e,stream:t,decl:r,scope:o,result:s}))return t.pop(),!1;break;case"conditional-statement":if(!n.evalConditionalStatement({config:e,stream:t,decl:r,scope:o,result:s}))return t.pop(),!1}return t.recycle(),!0}},function(e,t,r){Object.defineProperty(t,"__esModule",{value:!0});const n=r(2);t.evalFunction=({config:e,stream:t,decl:r,scope:o,result:s})=>{const a=[];for(const i of r.args)switch(i.type){case"tag":{const e=s.obj[i.value];if(void 0===e)throw new Error(`Tag "${e}" isn't defined anywhere but used in a function call.`);a.push(e);break}case"group":a.push(n.evalGroup({config:e,stream:t,decl:i,scope:o}));break;case"string":case"identifier":a.push(i.value);break;case"reference":a.push(n.evalRawReference({config:e,stream:t,scope:o,result:{pure:!1,obj:{},str:""},decl:i}))}const i=e.functions&&e.functions[r.name];if("function"!=typeof i)throw new Error(`There is no such function: ${r.name}`);try{return i({state:s,setString(e){if(!s.pure)throw new Error("Can't apply string, result isn't pure.");s.str=e},setProperty(e,t){s.obj[e]=t,s.pure=!1}},...a)}catch(e){throw new Error(`Function "${r.name}" throwed an error:\n${e.message}`)}}},function(e,t,r){Object.defineProperty(t,"__esModule",{value:!0});const n=r(2),o=r(9),s=r(12);t.evalGroup=o.maybeMultiplier(({config:e,stream:t,decl:r,scope:o,result:a={obj:{},str:"",pure:!0}})=>{t.stash();const i=a.str,l=r.value;for(let r=0;r<l.length;r++){const u=l[r];if(!n.evalDeclaration({config:e,stream:t,decl:u,scope:o,result:a}))return t.pop(),s.serializeParsingResult(l,a,!0),a.str=i,null}return s.serializeParsingResult(l,a),t.recycle(),a.pure?a.str:a.obj})},function(e,t,r){Object.defineProperty(t,"__esModule",{value:!0});const n=r(2),o=r(8);t.evalReference=({config:e,stream:t,decl:r,scope:s,result:a})=>{const i=t.index,l=n.evalRawReference({config:e,stream:t,decl:r,scope:s,result:a}),u=o.typeOf(l);if(r.tag){const e=a.obj[r.tag];if(null!=e)throw new Error(`Tag "${r.tag}" is already defined (Contains "${e}").\nYou may used it multiple times or within a group + multipliers, you should avoid that.`);a.obj[r.tag]=l}if(t.stash(),null===l)return t.pop(),!(!r.multiplier||"optional"!==r.multiplier.type);if(e.locationData&&"object"===u){const{end:r,start:n}=e.locationData;l[n]=i,l[r]=t.index-1}if(r.spread){if("object"!==u)throw new Error(`"${r.value}" doesn't return a object which is required for the spread operator to work.`);Object.assign(a.obj,l),a.pure=!1}else if(r.tag)a.pure=!1;else if("array"===u&&l.every(e=>"string"==typeof e))a.str+=l.join("");else{if("string"!==u)throw new Error(`Type "${r.value}" is missing a tag.`);a.str+=l}return t.recycle(),!0}},function(e,t,r){Object.defineProperty(t,"__esModule",{value:!0});const n=r(2),o=r(9);t.evalRawReference=({config:e,stream:t,decl:r,scope:s,result:a})=>{const i=s.lookupByPath(r.value);if(!i)throw new Error(`Failed to resolve "${r.value.join(":")}". If it's a block a default export may be missing.`);const[l,u]=i,c=l.arguments,p=[...r.arguments||[]];if(c){for(const{value:e,name:t}of c){let r=e;const n=p.findIndex(e=>e.name===t);if(~n&&([{value:r}]=p.splice(n,1)),!r)throw new Error(`Argument "${t}" is missing on type ${l.name}.`);u.injectValue(r,t)}if(p.length)throw new Error(`These arguments were passed into "${l.name}" but not expected: ${p.map(e=>e.name).join(", ")}`)}else if(p.length)throw new Error(`Type "${l.name}" does not expect any arguments.`);const f=o.maybeMultiplier(()=>n.evalGroup({config:e,stream:t,decl:l.value,scope:u}))({config:e,stream:t,decl:r,result:a,scope:u});return f&&r.modifiers&&n.evalModification(f,r),f}},function(e,t,r){Object.defineProperty(t,"__esModule",{value:!0}),t.evalString=({stream:e,decl:t,result:r})=>{const{value:n}=t;e.stash();for(let t=0;t<n.length;t++)if(e.next()!==n[t])return e.pop(),!1;return e.recycle(),r.str+=n,!0}},function(e,t,r){Object.defineProperty(t,"__esModule",{value:!0});class 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t.length?{type:"kw",value:t}:null}},function(e,t,r){Object.defineProperty(t,"__esModule",{value:!0});const n=r(4);t.num=e=>{let t="";for(;e.hasNext();){const r=e.peek();if(!n.isNumeric(r))break;t+=r,e.next()}return t.length?{type:"num",value:Number(t)}:null}},function(e,t,r){Object.defineProperty(t,"__esModule",{value:!0});const n=r(4);t.punc=e=>n.isPunctuation(e.peek())?{type:"punc",value:e.next()}:null},function(e,t,r){Object.defineProperty(t,"__esModule",{value:!0});const n=r(70),o=["'",'"'];t.str=e=>{for(const t of o){if(e.stash(),e.peek()===t){e.next();const r=n.consumeEscaped(e,t);if(null!==r)return{type:"str",value:r}}e.pop()}return null}},function(e,t,r){Object.defineProperty(t,"__esModule",{value:!0}),t.consumeEscaped=(e,t)=>{let r=!1,n="";for(let o=e.next();;o=e.next()){if("\n"===o&&!r)return null;if(r)n+=o,r=!1;else if("\\"===o)r=!0;else{if(o===t)return n;if(!e.hasNext())break;n+=o}}return null}},function(e,t,r){Object.defineProperty(t,"__esModule",{value:!0});const n=r(13),o=r(4);t.ws=e=>{const t=n.consumeWhile(e,o.isWhiteSpace);return t.length?{type:"ws",value:t}:null}}])},"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.Bavary=t():e.Bavary=t();
 //# sourceMappingURL=bavary.js.map

lib/types/ast/index.d.ts

@@ -9,2 +9,2 @@ import { Token } from '../tokenizer/types';
  */
-export declare const parseAST: (tokens: Token[], source: string) => Declaration[];
+export declare const parse: (tokens: Token[], source: string) => Declaration[];

lib/types/ast/internal.d.ts

@@ -17,2 +17,1 @@ export * from './nodes/arguments';
 export * from './nodes/value-accessor';
-export { operatorPriority } from './nodes/binary-expression/operator-priority';

lib/types/tokenizer/stream/token-stream.d.ts

 import { Streamable } from '../../streamable';
-import { Token } from '../types';
+import { Token, TokenType } from '../types';
 export declare class TokenStream extends Streamable<Token> {
@@ -8,6 +8,22 @@ next(includeWhitespace?: boolean): Token | null;
     /**
+     * Consumes following whitespace
+     */
+    consumeSpace(): void;
+    /**
+     * Checks if the next token matches the given conditioons
+     */
+    match(includeWhitespace: boolean | undefined, type: TokenType, ...values: Array<string | number>): boolean;
+    /**
+     * Same as match but it'll consume the token if the conditions are met
+     */
+    optional(includeWhitespace: boolean | undefined, type: TokenType, ...values: Array<string | number>): string | number | null;
+    /**
+     * Same as match but it'll throw an error if the conditions aren't met
+     */
+    expect(includeWhitespace: boolean | undefined, type: TokenType, ...values: Array<string | number>): string | number | never;
+    /**
      * Throws an ParsingError
-     * @param msg
+     * @param msg Error message
      */
     throwError(msg: string): never;
 }

package.json

 {
     "name": "@bavary/core",
-    "version": "0.0.20",
+    "version": "0.0.21",
     "description": "Customizable, elegant and fast syntax-parser",
@@ -44,9 +44,9 @@ "author": "Simon Reinisch <[e-mail]>",
         "@types/mocha": "^5.2.7",
-        "@types/node": "^13.1.1",
-        "@typescript-eslint/eslint-plugin": "^2.13.0",
-        "@typescript-eslint/parser": "^2.13.0",
+        "@types/node": "^13.1.4",
+        "@typescript-eslint/eslint-plugin": "^2.14.0",
+        "@typescript-eslint/parser": "^2.14.0",
         "chai": "^4.2.0",
         "coveralls": "^3.0.9",
         "eslint": "^6.8.0",
-        "eslint-config-problems": "^3.0.1",
+        "eslint-config-problems": "^3.1.0",
         "eslint-loader": "^3.0.3",
@@ -53,0 +53,0 @@ "mocha": "^6.2.2",

src/ast/index.ts

@@ -12,3 +12,3 @@ import {TokenStream}      from '../tokenizer/stream/token-stream';
  */
-export const parseAST = (tokens: Array<Token>, source: string): Array<Declaration> => {
+export const parse = (tokens: Array<Token>, source: string): Array<Declaration> => {
     const stream = new TokenStream(tokens, source);
@@ -15,0 +15,0 @@ const declarations: Array<Declaration> = [];

src/ast/internal.ts

@@ -17,2 +17,1 @@ export *                  from './nodes/arguments';
 export *                  from './nodes/value-accessor';
-export {operatorPriority} from './nodes/binary-expression/operator-priority';

src/ast/modifiers/combinator.ts

@@ -1,6 +0,6 @@
-import {maybe}    from '../tools/maybe';
-import {optional} from '../tools/optional';
+import {TokenStream} from '../../tokenizer/stream/token-stream';
+import {maybe}       from '../tools/maybe';
 
-export const parseCombinator = maybe<string>(stream => {
-    let combinator = optional(stream, false, 'punc', '|', '&');
+export const parseCombinator = maybe<string>((stream: TokenStream) => {
+    let combinator = stream.optional(false, 'punc', '|', '&');
 
@@ -12,3 +12,3 @@ if (!combinator) {
     // It may be a extended combinator
-    if (combinator === '&' && optional(stream, false, 'punc', '&')) {
+    if (combinator === '&' && stream.optional(false, 'punc', '&')) {
         combinator += '&';
@@ -15,0 +15,0 @@ }

src/ast/modifiers/modifications/def.ts

 import {TokenStream}                                      from '../../../tokenizer/stream/token-stream';
 import {parseIdentifier, parseString, parseValueAccessor} from '../../internal';
-import {expect}                                           from '../../tools/expect';
-import {skipWhitespace}                                   from '../../tools/skip-whitespace';
 import {DefineModifier}                                   from '../../types';
@@ -13,4 +11,4 @@
 
-    expect(stream, false, 'punc', '=');
-    skipWhitespace(stream);
+    stream.expect(false, 'punc', '=');
+    stream.consumeSpace();
 
@@ -17,0 +15,0 @@ const value = parseString(stream) || parseValueAccessor(stream);

src/ast/modifiers/modifications/index.ts

 import {TokenStream}         from '../../../tokenizer/stream/token-stream';
-import {expect}              from '../../tools/expect';
 import {maybe}               from '../../tools/maybe';
-import {optional}            from '../../tools/optional';
-import {skipWhitespace}      from '../../tools/skip-whitespace';
 import {Modifier, Modifiers} from '../../types';
@@ -21,4 +18,4 @@ import {parseDefineModifier} from './def';
  */
-export const parseModification = maybe<Modifiers | null>(stream => {
-    if (!optional(stream, true, 'punc', '{')) {
+export const parseModification = maybe<Modifiers | null>((stream: TokenStream) => {
+    if (!stream.optional(true, 'punc', '{')) {
         return null;
@@ -31,3 +28,3 @@ }
     do {
-        const op = optional(stream, false, 'kw', 'def', 'del');
+        const op = stream.optional(false, 'kw', 'def', 'del');
 
@@ -37,3 +34,3 @@ if (!op) {
         } else {
-            skipWhitespace(stream);
+            stream.consumeSpace();
             set.push(parsers[op](stream));
@@ -43,6 +40,6 @@ }
         // Pairs are seperated via a comma
-    } while (optional(stream, false, 'punc', ','));
+    } while (stream.optional(false, 'punc', ','));
 
-    expect(stream, false, 'punc', '}');
+    stream.expect(false, 'punc', '}');
     return set;
 });

src/ast/modifiers/spread-operator.ts

@@ -1,3 +0,3 @@
-import {maybe}    from '../tools/maybe';
-import {optional} from '../tools/optional';
+import {TokenStream} from '../../tokenizer/stream/token-stream';
+import {maybe}       from '../tools/maybe';
 
@@ -8,5 +8,5 @@ /**
  */
-export const parseSpreadOperator = maybe<boolean>(stream => {
+export const parseSpreadOperator = maybe<boolean>((stream: TokenStream) => {
     for (let i = 0; i < 3; i++) {
-        if (!optional(stream, false, 'punc', '.')) {
+        if (!stream.optional(false, 'punc', '.')) {
             return false;
@@ -13,0 +13,0 @@ }

src/ast/nodes/arguments.ts

@@ -0,12 +1,11 @@
+import {TokenStream}                 from '../../tokenizer/stream/token-stream';
 import {parseGroup, parseIdentifier} from '../internal';
 import {maybe}                       from '../tools/maybe';
-import {optional}                    from '../tools/optional';
-import {skipWhitespace}              from '../tools/skip-whitespace';
 import {Arguments}                   from '../types';
 
-export const parseArguments = maybe<Arguments>(stream => {
+export const parseArguments = maybe<Arguments>((stream: TokenStream) => {
     const args: Arguments = [];
 
     while (true) {
-        skipWhitespace(stream);
+        stream.consumeSpace();
         const name = parseIdentifier(stream);
@@ -20,3 +19,3 @@
         let value = null;
-        if (optional(stream, false, 'punc', '=')) {
+        if (stream.optional(false, 'punc', '=')) {
             value = parseGroup(stream);
@@ -23,0 +22,0 @@

src/ast/nodes/binary-expression/index.ts

 import {TokenStream}                               from '../../../tokenizer/stream/token-stream';
 import {parseIdentifier, parseNumber, parseString} from '../../internal';
 import {combine}                                   from '../../tools/combine';
-import {expect}                                    from '../../tools/expect';
 import {maybe}                                     from '../../tools/maybe';
-import {optional}                                  from '../../tools/optional';
-import {skipWhitespace}                            from '../../tools/skip-whitespace';
 import {BinaryExpression, BinaryExpressionValue}   from '../../types';
@@ -27,4 +24,4 @@ import {operatorPriority}                          from './operator-priority';
 
-    const operator = optional(stream, false, 'punc') as string
-        + (optional(stream, true, 'punc') || '');
+    const operator = stream.optional(false, 'punc') as string
+        + (stream.optional(true, 'punc') || '');
 
@@ -41,3 +38,3 @@ if (!operator || !(operator in operatorPriority)) {
         // Parse right-hand value
-        skipWhitespace(stream);
+        stream.consumeSpace();
         const rightValue = parse(stream);
@@ -60,4 +57,4 @@ if (!rightValue) {
 
-export const parseBinaryExpression = maybe<BinaryExpression>(stream => {
-    if (!optional(stream, false, 'punc', '(')) {
+export const parseBinaryExpression = maybe<BinaryExpression>((stream: TokenStream) => {
+    if (!stream.optional(false, 'punc', '(')) {
         return null;
@@ -85,4 +82,4 @@ }
 
-    expect(stream, false, 'punc', ')');
-    return bex as BinaryExpression;
+    stream.expect(false, 'punc', ')');
+    return bex;
 });

src/ast/nodes/binary-expression/tagged-value-accessor.ts

@@ -0,1 +1,2 @@
+import {TokenStream}        from '../../../tokenizer/stream/token-stream';
 import {maybe}              from '../../tools/maybe';
@@ -6,3 +7,3 @@ import {ValueAccessor}      from '../../types';
 
-export const taggedValueAccessor = maybe<ValueAccessor>(stream => {
+export const taggedValueAccessor = maybe<ValueAccessor>((stream: TokenStream) => {
     const tag = parseTag(stream);
@@ -9,0 +10,0 @@

src/ast/nodes/block.ts

@@ -0,12 +1,10 @@
+import {TokenStream}        from '../../tokenizer/stream/token-stream';
 import {parseDeclaration}   from '../internal';
-import {check}              from '../tools/check';
-import {expect}             from '../tools/expect';
 import {maybe}              from '../tools/maybe';
-import {optional}           from '../tools/optional';
 import {Block, Declaration} from '../types';
 
-export const parseBlock = maybe<Block>(stream => {
+export const parseBlock = maybe<Block>((stream: TokenStream) => {
 
     // It may be a block
-    if (!optional(stream, false, 'punc', '{')) {
+    if (!stream.optional(false, 'punc', '{')) {
         return null;
@@ -18,7 +16,7 @@ }
 
-    while (!check(stream, false, 'punc', '}')) {
+    while (!stream.match(false, 'punc', '}')) {
         declarations.push(parseDeclaration(stream) as Declaration);
     }
 
-    expect(stream, false, 'punc', '}');
+    stream.expect(false, 'punc', '}');
     return {
@@ -25,0 +23,0 @@ type: 'block',

src/ast/nodes/conditional-statement.ts

@@ -0,8 +1,8 @@
+import {TokenStream}                                 from '../../tokenizer/stream/token-stream';
 import {parseBinaryExpression, parseGroup}           from '../internal';
 import {maybe}                                       from '../tools/maybe';
-import {optional}                                    from '../tools/optional';
 import {ConditionalStatement, Group, ParserFunction} from '../types';
 
-export const parseConditionalStatement: ParserFunction<ConditionalStatement> = maybe(stream => {
-    if (!optional(stream, false, 'kw', 'if')) {
+export const parseConditionalStatement: ParserFunction<ConditionalStatement> = maybe((stream: TokenStream) => {
+    if (!stream.optional(false, 'kw', 'if')) {
         return null;
@@ -25,3 +25,3 @@ }
     let alternative: Group | ConditionalStatement | null = null;
-    if (optional(stream, false, 'kw', 'else')) {
+    if (stream.optional(false, 'kw', 'else')) {
         alternative = parseGroup(stream) || parseConditionalStatement(stream);
@@ -28,0 +28,0 @@

src/ast/nodes/declaration.ts

@@ -0,15 +1,14 @@
+import {TokenStream}                                             from '../../tokenizer/stream/token-stream';
 import {parseArguments, parseBlock, parseGroup, parseIdentifier} from '../internal';
-import {expect}                                                  from '../tools/expect';
 import {maybe}                                                   from '../tools/maybe';
-import {optional}                                                from '../tools/optional';
 import {Declaration}                                             from '../types';
 
-export const parseDeclaration = maybe<Declaration>(stream => {
+export const parseDeclaration = maybe<Declaration>((stream: TokenStream) => {
 
     // Parse optional variant
-    const variant = optional(stream, false, 'kw', 'entry', 'default', 'export');
+    const variant = stream.optional(false, 'kw', 'entry', 'default', 'export');
     let name = null, args = null;
 
     // It may be a named one
-    if (optional(stream, false, 'punc', '<')) {
+    if (stream.optional(false, 'punc', '<')) {
 
@@ -23,4 +22,4 @@ name = parseIdentifier(stream);
         args = parseArguments(stream);
-        expect(stream, false, 'punc', '>');
-        expect(stream, false, 'punc', '=');
+        stream.expect(false, 'punc', '>');
+        stream.expect(false, 'punc', '=');
     } else if (!variant) {
@@ -27,0 +26,0 @@ stream.throwError('Expected declaration.');

src/ast/nodes/function.ts

@@ -0,15 +1,12 @@
+import {TokenStream}                                                        from '../../tokenizer/stream/token-stream';
 import {parseGroup, parseIdentifier, parseReference, parseString, parseTag} from '../internal';
-import {check}                                                              from '../tools/check';
 import {combine}                                                            from '../tools/combine';
-import {expect}                                                             from '../tools/expect';
 import {maybe}                                                              from '../tools/maybe';
-import {optional}                                                           from '../tools/optional';
-import {skipWhitespace}                                                     from '../tools/skip-whitespace';
 import {Func, FuncArgument}                                                 from '../types';
 
-export const parseFunction = maybe<Func>(stream => {
+export const parseFunction = maybe<Func>((stream: TokenStream) => {
 
-    skipWhitespace(stream);
+    stream.consumeSpace();
     const name = parseIdentifier(stream);
-    if (!name || !optional(stream, false, 'punc', '(')) {
+    if (!name || !stream.optional(false, 'punc', '(')) {
         return null;
@@ -28,9 +25,9 @@ }
     const args = [];
-    while (!check(stream, false, 'punc', ')')) {
-        skipWhitespace(stream);
+    while (!stream.match(false, 'punc', ')')) {
+        stream.consumeSpace();
         if (args.length) {
-            expect(stream, false, 'punc', ',');
+            stream.expect(false, 'punc', ',');
         }
 
-        skipWhitespace(stream);
+        stream.consumeSpace();
         const arg = parse(stream);
@@ -44,3 +41,3 @@ if (!arg) {
 
-    expect(stream, false, 'punc', ')');
+    stream.expect(false, 'punc', ')');
     return {
@@ -47,0 +44,0 @@ type: 'function',

src/ast/nodes/group.ts

@@ -0,14 +1,12 @@
+import {TokenStream}                                                                                                                  from '../../tokenizer/stream/token-stream';
 import {parseCharacterSelecton, parseConditionalStatement, parseFunction, parseIgnored, parseMultiplier, parseReference, parseString} from '../internal';
 import {parseCombinator}                                                                                                              from '../modifiers/combinator';
-import {check}                                                                                                                        from '../tools/check';
 import {combine}                                                                                                                      from '../tools/combine';
-import {expect}                                                                                                                       from '../tools/expect';
 import {maybe}                                                                                                                        from '../tools/maybe';
-import {optional}                                                                                                                     from '../tools/optional';
 import {BinaryCombinator, Group, GroupValue}                                                                                          from '../types';
 
-export const parseGroup = maybe<Group>(stream => {
+export const parseGroup = maybe<Group>((stream: TokenStream) => {
 
     // It may be a group
-    if (!optional(stream, false, 'punc', '[')) {
+    if (!stream.optional(false, 'punc', '[')) {
         return null;
@@ -31,3 +29,3 @@ }
     let comg: null | BinaryCombinator = null;
-    while (!check(stream, false, 'punc', ']')) {
+    while (!stream.match(false, 'punc', ']')) {
         const value = parsers(stream);
@@ -47,3 +45,3 @@ const sign = parseCombinator(stream);
                     // Still the same binary combinator since the sign is the same
-                    comg.value.push(value as GroupValue);
+                    comg.value.push(value);
                 } else {
@@ -79,3 +77,3 @@
             // Last element of combinator, push it and set current combinator back to null
-            comg.value.push(value as GroupValue);
+            comg.value.push(value);
             comg = null;
@@ -85,3 +83,3 @@ } else {
             // Element does no correspond to any binary combinator
-            values.push(value as GroupValue);
+            values.push(value);
         }
@@ -95,3 +93,3 @@ }
 
-    expect(stream, false, 'punc', ']');
+    stream.expect(false, 'punc', ']');
 
@@ -98,0 +96,0 @@ return {

src/ast/nodes/identifier.ts

@@ -1,4 +0,5 @@
-import {Token}      from '../../tokenizer/types';
-import {maybe}      from '../tools/maybe';
-import {Identifier} from '../types';
+import {TokenStream} from '../../tokenizer/stream/token-stream';
+import {Token}       from '../../tokenizer/types';
+import {maybe}       from '../tools/maybe';
+import {Identifier}  from '../types';
 
@@ -9,3 +10,3 @@ /**
  */
-export const parseIdentifier = maybe<Identifier>(stream => {
+export const parseIdentifier = maybe<Identifier>((stream: TokenStream) => {
     let name = '';
@@ -12,0 +13,0 @@

src/ast/nodes/ignored.ts

@@ -1,6 +0,5 @@
-import {parseGroup} from '../internal';
-import {expect}     from '../tools/expect';
-import {maybe}      from '../tools/maybe';
-import {optional}   from '../tools/optional';
-import {Ignored}    from '../types';
+import {TokenStream} from '../../tokenizer/stream/token-stream';
+import {parseGroup}  from '../internal';
+import {maybe}       from '../tools/maybe';
+import {Ignored}     from '../types';
 
@@ -10,4 +9,4 @@ /**
  */
-export const parseIgnored = maybe<Ignored>(stream => {
-    if (!optional(stream, false, 'punc', '/')) {
+export const parseIgnored = maybe<Ignored>((stream: TokenStream) => {
+    if (!stream.optional(false, 'punc', '/')) {
         return null;
@@ -22,3 +21,3 @@ }
 
-    expect(stream, false, 'punc', '/');
+    stream.expect(false, 'punc', '/');
     return {
@@ -25,0 +24,0 @@ type: 'ignored',

src/ast/nodes/multiplier.ts

@@ -1,5 +0,4 @@
-import {expect}     from '../tools/expect';
-import {maybe}      from '../tools/maybe';
-import {optional}   from '../tools/optional';
-import {Multiplier} from '../types';
+import {TokenStream} from '../../tokenizer/stream/token-stream';
+import {maybe}       from '../tools/maybe';
+import {Multiplier}  from '../types';
 
@@ -12,10 +11,10 @@ const types: {[key: string]: string} = {
 
-export const parseMultiplier = maybe<Multiplier>(stream => {
-    const mp = optional(stream, true, 'punc', '*', '+', '?', '{');
+export const parseMultiplier = maybe<Multiplier>((stream: TokenStream) => {
+    const mp = stream.optional(true, 'punc', '*', '+', '?', '{');
 
     if (mp === '{') {
-        const start = expect(stream, false, 'num');
+        const start = stream.expect(false, 'num');
 
-        expect(stream, false, 'punc', ',');
-        const end = optional(stream, false, 'num');
+        stream.expect(false, 'punc', ',');
+        const end = stream.optional(false, 'num');
 
@@ -30,3 +29,3 @@ if (end !== null) {
 
-        expect(stream, false, 'punc', '}');
+        stream.expect(false, 'punc', '}');
         return {
@@ -33,0 +32,0 @@ type: 'range',

src/ast/nodes/number.ts

@@ -1,7 +0,7 @@
-import {maybe}    from '../tools/maybe';
-import {optional} from '../tools/optional';
-import {Num}      from '../types';
+import {TokenStream} from '../../tokenizer/stream/token-stream';
+import {maybe}       from '../tools/maybe';
+import {Num}         from '../types';
 
-export const parseNumber = maybe<Num>(stream => {
-    const num = optional(stream, false, 'num');
+export const parseNumber = maybe<Num>((stream: TokenStream) => {
+    const num = stream.optional(false, 'num');
 
@@ -8,0 +8,0 @@ return num ? {

src/ast/nodes/reference.ts

@@ -0,10 +1,9 @@
+import {TokenStream}                                                from '../../tokenizer/stream/token-stream';
 import {parseArguments, parseIdentifier, parseMultiplier, parseTag} from '../internal';
 import {parseModification}                                          from '../modifiers/modifications';
 import {parseSpreadOperator}                                        from '../modifiers/spread-operator';
-import {expect}                                                     from '../tools/expect';
 import {maybe}                                                      from '../tools/maybe';
-import {optional}                                                   from '../tools/optional';
 import {Reference}                                                  from '../types';
 
-export const parseReference = maybe<Reference>(stream => {
+export const parseReference = maybe<Reference>((stream: TokenStream) => {
 
@@ -15,3 +14,3 @@ // It may have a spread operator attached to it
     // It may be a type
-    if (!optional(stream, false, 'punc', '<')) {
+    if (!stream.optional(false, 'punc', '<')) {
         return null;
@@ -31,3 +30,3 @@ }
 
-        if (!optional(stream, false, 'punc', ':')) {
+        if (!stream.optional(false, 'punc', ':')) {
             break;
@@ -54,3 +53,3 @@ } else {
 
-    expect(stream, false, 'punc', '>');
+    stream.expect(false, 'punc', '>');
     const mult = parseMultiplier(stream);
@@ -57,0 +56,0 @@

src/ast/nodes/string.ts

@@ -1,7 +0,7 @@
-import {maybe}    from '../tools/maybe';
-import {optional} from '../tools/optional';
-import {Str}      from '../types';
+import {TokenStream} from '../../tokenizer/stream/token-stream';
+import {maybe}       from '../tools/maybe';
+import {Str}         from '../types';
 
-export const parseString = maybe<Str>(stream => {
-    const string = optional(stream, false, 'str');
+export const parseString = maybe<Str>((stream: TokenStream) => {
+    const string = stream.optional(false, 'str');
 
@@ -8,0 +8,0 @@ if (string !== null && !(string as string).length) {

src/ast/nodes/tag.ts

@@ -0,8 +1,8 @@
+import {TokenStream}     from '../../tokenizer/stream/token-stream';
 import {parseIdentifier} from '../internal';
 import {maybe}           from '../tools/maybe';
-import {optional}        from '../tools/optional';
 import {Tag}             from '../types';
 
-export const parseTag = maybe<Tag>(stream => {
-    if (!optional(stream, true, 'punc', '#')) {
+export const parseTag = maybe<Tag>((stream: TokenStream) => {
+    if (!stream.optional(true, 'punc', '#')) {
         return null;
@@ -13,3 +13,3 @@ }
     if (!ident) {
-        return stream.throwError('Expected identifier');
+        stream.throwError('Expected identifier');
     }
@@ -16,0 +16,0 @@

src/ast/nodes/value-accessor.ts

@@ -0,10 +1,9 @@
+import {TokenStream}     from '../../tokenizer/stream/token-stream';
 import {parseIdentifier} from '../internal';
 import {combine}         from '../tools/combine';
-import {expect}          from '../tools/expect';
 import {maybe}           from '../tools/maybe';
-import {optional}        from '../tools/optional';
 import {ValueAccessor}   from '../types';
 
-const parseObjectAccessor = maybe<string>(stream => {
-    if (!optional(stream, true, 'punc', '.')) {
+const parseObjectAccessor = maybe<string>((stream: TokenStream) => {
+    if (!stream.optional(true, 'punc', '.')) {
         return null;
@@ -15,3 +14,3 @@ }
     if (!ident) {
-        return stream.throwError('Expected identifier.');
+        stream.throwError('Expected identifier.');
     }
@@ -22,9 +21,9 @@
 
-const parseArrayAccessor = maybe<number>(stream => {
-    if (!optional(stream, true, 'punc', '[')) {
+const parseArrayAccessor = maybe<number>((stream: TokenStream) => {
+    if (!stream.optional(true, 'punc', '[')) {
         return null;
     }
 
-    const index = expect(stream, false, 'num');
-    expect(stream, true, 'punc', ']');
+    const index = stream.expect(false, 'num');
+    stream.expect(true, 'punc', ']');
 
@@ -34,3 +33,3 @@ return index as number;
 
-export const parseValueAccessor = maybe<ValueAccessor>(stream => {
+export const parseValueAccessor = maybe<ValueAccessor>((stream: TokenStream) => {
     const entry = parseIdentifier(stream);
@@ -37,0 +36,0 @@

src/compiler/parser/character-selection.ts

@@ -0,0 +0,0 @@ import {CharacterSelection, CharacterSelectionArray} from '../../ast/types';

src/compiler/parser/resolve-reference.ts

@@ -46,2 +46,3 @@ import {Group, ModifierTarget, Reference}     from '../../ast/types';
 
+            // TODO: Bug in loops
             newScope.injectValue(argVal, name);
@@ -48,0 +49,0 @@ }

src/index.ts

@@ -1,2 +0,2 @@
-import {parseAST}               from './ast';
+import {parse}                  from './ast';
 import {Declaration}            from './ast/types';
@@ -17,3 +17,3 @@ import {compileDeclarations}    from './compiler';
     // Use precompiled declarations or compile raw string
-    const tree = Array.isArray(input) ? input : parseAST(tokenize(input), input);
+    const tree = Array.isArray(input) ? input : parse(tokenize(input), input);
     return compileDeclarations(tree, config);
@@ -27,3 +27,3 @@ };
  */
-export const compileChunk = (str: string): Array<Declaration> => parseAST(tokenize(str), str);
+export const compileChunk = (str: string): Array<Declaration> => parse(tokenize(str), str);
 
@@ -30,0 +30,0 @@ /**

src/streamable.ts

@@ -0,0 +0,0 @@

src/tokenizer/index.ts

 import {Streamable} from '../streamable';
 import {Token}      from './types';
+import {cmt}        from './types/cmt';
 import {kw}         from './types/kw';
@@ -10,2 +11,3 @@ import {num}        from './types/num';
 const parser = [
+    cmt,
     ws,
@@ -39,15 +41,2 @@ str,
 
-            // Check if token could be the beginning of a comment
-            if (parsed.value === '/' && stream.peek() === '/') {
-                while (stream.hasNext()) {
-                    if (stream.peek() === '\n') {
-                        break;
-                    }
-
-                    stream.next();
-                }
-
-                continue outer;
-            }
-
             // There may be a comment between whitespace, concatenate that
@@ -54,0 +43,0 @@ if (parsed.type === 'ws' && tokens.length && tokens[tokens.length - 1].type === 'ws') {

src/tokenizer/stream/token-stream.ts

@@ -1,5 +0,6 @@
-import {Streamable}              from '../../streamable';
-import {RangeInformation, Token} from '../types';
-import {ParsingError}            from './parsing-error';
+import {Streamable}                         from '../../streamable';
+import {RangeInformation, Token, TokenType} from '../types';
+import {ParsingError}                       from './parsing-error';
 
+/* istanbul ignore next */
 export class TokenStream extends Streamable<Token> {
@@ -45,4 +46,62 @@
     /**
+     * Consumes following whitespace
+     */
+    consumeSpace(): void {
+        if (this.hasNext(true) && (this.peek(true) as Token).type === 'ws') {
+            this.next(true);
+        }
+    }
+
+    /**
+     * Checks if the next token matches the given conditioons
+     */
+    match(includeWhitespace = false, type: TokenType, ...values: Array<string | number>): boolean {
+        const peek = this.peek(includeWhitespace);
+
+        // Check if type matches
+        if (!peek || peek.type !== type) {
+            return false;
+        }
+
+        // Check if value matches
+        return !values.length || values.includes(peek.value);
+    }
+
+    /**
+     * Same as match but it'll consume the token if the conditions are met
+     */
+    optional(includeWhitespace = false, type: TokenType, ...values: Array<string | number>): string | number | null {
+        const peek = this.peek(includeWhitespace);
+
+        // Check if type matches
+        if (!peek || peek.type !== type) {
+            return null;
+        }
+
+        // Check if next token matches the given condition
+        return this.match(includeWhitespace, type, ...values) ? (this.next(includeWhitespace) as Token).value : null;
+    }
+
+    /**
+     * Same as match but it'll throw an error if the conditions aren't met
+     */
+    expect(includeWhitespace = false, type: TokenType, ...values: Array<string | number>): string | number | never {
+
+        // Check if next token matches type and value
+        const expected = this.optional(includeWhitespace, type, ...values);
+        if (expected !== null) {
+            return expected;
+        }
+
+        if (this.hasNext(includeWhitespace)) {
+            const nxt = this.next(includeWhitespace) as Token;
+            this.throwError(`Expected ${values.join(', ')} (${type}) but got ${nxt.value} (${nxt.type})`);
+        }
+
+        this.throwError('Unxpected end of input.');
+    }
+
+    /**
      * Throws an ParsingError
-     * @param msg
+     * @param msg Error message
      */
@@ -49,0 +108,0 @@ throwError(msg: string): never {

src/tokenizer/types/kw.ts

@@ -7,2 +7,4 @@ import {Streamable}                 from '../../streamable';
 export const kw = (stream: Streamable<string>): Token | null => {
+
+    // TODO: Should a keyword contain numeric characters?
     const str = consumeWhile(stream, (v, c) => {
@@ -9,0 +11,0 @@ return isNonWhitespace(v) || !!(isNumeric(v) && c.length);

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Improved metrics

Total package byte prevSize

288097

increased by3.48%

Number of package files

173

increased by8.81%

Lines of code

3397

increased by3.76%

No dependency changes