commit ca927f19cfd9250c165ab150181dc675614e963f · kitten.sh/reghex

+76 -43

src/babel/__snapshots__/plugin.test.js.snap

···

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       var _reghex = require(\\"reghex\\");

     

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       -
       var _node_expression = (0, _reghex._pattern)(1),

     

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           _node_expression2 = (0, _reghex._pattern)(2);

     

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       +
       var _node_expression = _reghex.__private.pattern(1),

     

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           _node_expression2 = _reghex.__private.pattern(2);

     

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       const node = function (state) {

     

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         var y1 = state.y;

     

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         var y1 = state.y,

     

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             x1 = state.x;

     

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         var node = [];

     

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         var x;

     

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         if (x = (0, _reghex._exec)(state, _node_expression)) {

     

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         if (x = _reghex.__private.exec(state, _node_expression)) {

     

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           node.push(x);

     

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         } else {

     

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           state.y = y1;

     

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           state.x = x1;

     

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           return;

     

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         }

     

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         if (x = (0, _reghex._exec)(state, _node_expression2)) {

     

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         if (x = _reghex.__private.exec(state, _node_expression2)) {

     

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           node.push(x);

     

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         } else {

     

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           state.y = y1;

     

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           state.x = x1;

     

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           return;

     

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         }

     

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···

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       `;

     

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       exports[`works with local recursion 1`] = `

     

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       "import { match as m, tag, _exec, _pattern } from 'reghex';

     

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       "import { match as m, tag, __private } from 'reghex';

     

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       var _inner_expression = _pattern(/inner/);

     

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       var _inner_expression = __private.pattern(/inner/);

     

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       const inner = function (state) {

     

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         var y1 = state.y;

     

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         var y1 = state.y,

     

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             x1 = state.x;

     

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         var node = [];

     

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         var x;

     

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         if (x = _exec(state, _inner_expression)) {

     

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         if (x = __private.exec(state, _inner_expression)) {

     

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           node.push(x);

     

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         } else {

     

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           state.y = y1;

     

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           state.x = x1;

     

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           return;

     

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         }

     

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···

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       };

     

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       const node = function (state) {

     

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         var y1 = state.y;

     

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         var y1 = state.y,

     

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             x1 = state.x;

     

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         var node = [];

     

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         var x;

     

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···

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           node.push(x);

     

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         } else {

     

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           state.y = y1;

     

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           state.x = x1;

     

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           return;

     

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         }

     

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···

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       `;

     

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       exports[`works with non-capturing groups 1`] = `

     

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       "import { match, _exec, _pattern, tag as _tag } from 'reghex';

     

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       "import { match, __private } from 'reghex';

     

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       var _node_expression = _pattern(1),

     

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           _node_expression2 = _pattern(2),

     

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           _node_expression3 = _pattern(3);

     

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       var _node_expression = __private.pattern(1),

     

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           _node_expression2 = __private.pattern(2),

     

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           _node_expression3 = __private.pattern(3);

     

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       const node = function (state) {

     

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         var y1 = state.y;

     

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         var y1 = state.y,

     

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             x1 = state.x;

     

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         var node = [];

     

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         var x;

     

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         if (x = _exec(state, _node_expression)) {

     

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         if (x = __private.exec(state, _node_expression)) {

     

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           node.push(x);

     

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         } else {

     

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           state.y = y1;

     

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           state.x = x1;

     

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           return;

     

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         }

     

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···

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         alt_3: {

     

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           block_3: {

     

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             var y3 = state.y;

     

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             var y3 = state.y,

     

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                 x3 = state.x;

     

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             if (x = _exec(state, _node_expression2)) {

     

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       +
             if (x = __private.exec(state, _node_expression2)) {

     

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               node.push(x);

     

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             } else {

     

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               state.y = y3;

     

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       +
               state.x = x3;

     

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               node.length = ln2;

     

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               break block_3;

     

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             }

     
···

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           }

     

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           loop_3: for (var j3 = 0; 1; j3++) {

     

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             var y3 = state.y;

     

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             var y3 = state.y,

     

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                 x3 = state.x;

     

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             if (x = _exec(state, _node_expression3)) {} else {

     

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             if (x = __private.exec(state, _node_expression3)) {} else {

     

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               if (j3) {

     

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                 state.y = y3;

     

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                 state.x = x3;

     

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                 break loop_3;

     

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               } else {}

     

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               state.y = y1;

     

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               state.x = x1;

     

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               node.length = ln2;

     

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               return;

     

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             }

     
···

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       `;

     

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       exports[`works with self-referential thunks 1`] = `

     

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       "import { match, tag, _exec, _pattern } from 'reghex';

     

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       "import { match, tag, __private } from 'reghex';

     

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       const inner = function (state) {

     

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         var y1 = state.y;

     

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         var y1 = state.y,

     

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             x1 = state.x;

     

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         var node = [];

     

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         var x;

     

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···

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           node.push(x);

     

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         } else {

     

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           state.y = y1;

     

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           state.x = x1;

     

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           return;

     

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         }

     

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···

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       };

     

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       const node = function (state) {

     

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         var y1 = state.y;

     

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         var y1 = state.y,

     

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             x1 = state.x;

     

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         var node = [];

     

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         var x;

     

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···

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           node.push(x);

     

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         } else {

     

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           state.y = y1;

     

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           state.x = x1;

     

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           return;

     

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         }

     

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···

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       `;

     

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       exports[`works with standard features 1`] = `

     

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       "import { match, _exec, _pattern, tag as _tag } from \\"reghex\\";

     

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       "import { match, __private } from \\"reghex\\";

     

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       var _node_expression = _pattern(1),

     

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           _node_expression2 = _pattern(2),

     

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           _node_expression3 = _pattern(3),

     

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           _node_expression4 = _pattern(4),

     

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           _node_expression5 = _pattern(5);

     

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       var _node_expression = __private.pattern(1),

     

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           _node_expression2 = __private.pattern(2),

     

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           _node_expression3 = __private.pattern(3),

     

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           _node_expression4 = __private.pattern(4),

     

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           _node_expression5 = __private.pattern(5);

     

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       const node = function (state) {

     

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         var y1 = state.y;

     

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         var y1 = state.y,

     

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             x1 = state.x;

     

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         var node = [];

     

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         var x;

     

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         alt_2: {

     

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           block_2: {

     

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             var y2 = state.y;

     

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             var y2 = state.y,

     

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                 x2 = state.x;

     

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             loop_2: for (var j2 = 0; 1; j2++) {

     

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               var y2 = state.y;

     

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               var y2 = state.y,

     

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                   x2 = state.x;

     

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               if (x = _exec(state, _node_expression)) {

     

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       +
               if (x = __private.exec(state, _node_expression)) {

     

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                 node.push(x);

     

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               } else {

     

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                 if (j2) {

     

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                   state.y = y2;

     

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                   state.x = x2;

     

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                   break loop_2;

     

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                 } else {}

     

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                 state.y = y2;

     

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       +
                 state.x = x2;

     

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                 break block_2;

     

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               }

     

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             }

     
···

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           }

     

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           loop_2: for (var j2 = 0; 1; j2++) {

     

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       -
             var y2 = state.y;

     

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       +
             var y2 = state.y,

     

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                 x2 = state.x;

     

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       -
             if (x = _exec(state, _node_expression2)) {

     

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             if (x = __private.exec(state, _node_expression2)) {

     

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               node.push(x);

     

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             } else {

     

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               if (j2) {

     

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                 state.y = y2;

     

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       +
                 state.x = x2;

     

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                 break loop_2;

     

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               } else {}

     

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               state.y = y1;

     

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       +
               state.x = x1;

     

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               return;

     

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             }

     

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           }

     

       223
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           loop_2: for (;;) {

     

       225
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       -
             var y2 = state.y;

     

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       +
             var y2 = state.y,

     

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       +
                 x2 = state.x;

     

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             var ln2 = node.length;

     

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       228
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       -
             if (x = _exec(state, _node_expression3)) {

     

       255
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       +
             if (x = __private.exec(state, _node_expression3)) {

     

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               node.push(x);

     

       230
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             } else {

     

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               state.y = y2;

     

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       +
               state.x = x2;

     

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               node.length = ln2;

     

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               break loop_2;

     

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             }

     

       235
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       -
             var y4 = state.y;

     

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       +
             var y4 = state.y,

     

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       +
                 x4 = state.x;

     

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       238
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       -
             if (x = _exec(state, _node_expression4)) {

     

       267
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       +
             if (x = __private.exec(state, _node_expression4)) {

     

       239
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               node.push(x);

     

       240
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             } else {

     

       241
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               state.y = y4;

     

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       +
               state.x = x4;

     

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             }

     

       243
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       244
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       -
             if (x = _exec(state, _node_expression5)) {

     

       274
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       +
             if (x = __private.exec(state, _node_expression5)) {

     

       245
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               node.push(x);

     

       246
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             } else {

     

       247
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               state.y = y2;

     

       278
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       +
               state.x = x2;

     

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               node.length = ln2;

     

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               break loop_2;

     

       250
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             }

     
···

       257
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       `;

     

       258
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       259
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       exports[`works with transform functions 1`] = `

     

       260
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       -
       "import { match, _exec, _pattern, tag as _tag } from 'reghex';

     

       291
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       +
       "import { match, __private } from 'reghex';

     

       261
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       262
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       var _inner_transform = x => x;

     

       263
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       264
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       const first = function (state) {

     

       265
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       -
         var y1 = state.y;

     

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       +
         var y1 = state.y,

     

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       +
             x1 = state.x;

     

       266
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         var node = [];

     

       267
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         var x;

     

       268
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         node.tag = 'inner';

     
···

       272
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       const transform = x => x;

     

       273
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       274
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       const second = function (state) {

     

       275
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       -
         var y1 = state.y;

     

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       +
         var y1 = state.y,

     

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       +
             x1 = state.x;

     

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         var node = [];

     

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         var x;

     

       278
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         node.tag = 'node';

-20

src/babel/sharedIds.js

···

       1
       1
       -
       export class SharedIds {

     

       2
       2
       -
         constructor(t) {

     

       3
       3
       -
           this.t = t;

     

       4
       4
       -
           this.execId = t.identifier('_exec');

     

       5
       5
       -
           this.patternId = t.identifier('_pattern');

     

       6
       6
       -
           this.tagId = t.identifier('tag');

     

       7
       7
       -
         }

     

       8
       8
       -
       

     

       9
       9
       -
         get exec() {

     

       10
       10
       -
           return this.t.identifier(this.execId.name);

     

       11
       11
       -
         }

     

       12
       12
       -
       

     

       13
       13
       -
         get pattern() {

     

       14
       14
       -
           return this.t.identifier(this.patternId.name);

     

       15
       15
       -
         }

     

       16
       16
       -
       

     

       17
       17
       -
         get tag() {

     

       18
       18
       -
           return this.t.identifier(this.tagId.name);

     

       19
       19
       -
         }

     

       20
       20
       -
       }

+12 -18

src/babel/transform.js

···

       1
       1
       +
       import { astRoot, _private } from '../codegen';

     

       1
       2
        
       import { parse } from '../parser';

     

       2
       2
       -
       import { astRoot } from '../codegen';

     

       3
       3
       -
       import { SharedIds } from './sharedIds';

     

       4
       3
        
       

     

       5
       4
        
       export function makeHelpers({ types: t, template }) {

     

       6
       5
        
         const regexPatternsRe = /^[()\[\]|.+?*]|[^\\][()\[\]|.+?*$^]|\\[wdsWDS]/;

     

       7
       6
        
         const importSourceRe = /reghex$|^reghex\/macro/;

     

       8
       7
        
         const importName = 'reghex';

     

       9
       9
       -
         const ids = new SharedIds(t);

     

       10
       8
        
       

     

       11
       9
        
         let _hasUpdatedImport = false;

     

       10
       10
       +
         let _matchId = t.identifier('match');

     

       11
       11
       +
         let _privateId = t.identifier(_private);

     

       12
       12
       +
       

     

       13
       13
       +
         const privateMethod = (name) =>

     

       14
       14
       +
           t.memberExpression(t.identifier(_privateId.name), t.identifier(name));

     

       12
       15
        
       

     

       13
       16
        
         return {

     

       14
       17
        
           /** Adds the reghex import declaration to the Program scope */

     
···

       21
       24
        
               path.node.source = t.stringLiteral(importName);

     

       22
       25
        
             }

     

       23
       26
        
       

     

       24
       24
       -
             path.node.specifiers.push(

     

       25
       25
       -
               t.importSpecifier(

     

       26
       26
       -
                 (ids.execId = path.scope.generateUidIdentifier('exec')),

     

       27
       27
       -
                 t.identifier('_exec')

     

       28
       28
       -
               ),

     

       29
       29
       -
               t.importSpecifier(

     

       30
       30
       -
                 (ids.patternId = path.scope.generateUidIdentifier('pattern')),

     

       31
       31
       -
                 t.identifier('_pattern')

     

       32
       32
       -
               )

     

       33
       33
       -
             );

     

       27
       27
       +
             path.node.specifiers.push(t.importSpecifier(_privateId, _privateId));

     

       34
       28
        
       

     

       35
       29
        
             const tagImport = path.node.specifiers.find((node) => {

     

       36
       36
       -
               return t.isImportSpecifier(node) && node.imported.name === 'tag';

     

       30
       30
       +
               return t.isImportSpecifier(node) && node.imported.name === 'match';

     

       37
       31
        
             });

     

       38
       32
        
       

     

       39
       33
        
             if (!tagImport) {

     

       40
       34
        
               path.node.specifiers.push(

     

       41
       35
        
                 t.importSpecifier(

     

       42
       42
       -
                   (ids.tagId = path.scope.generateUidIdentifier('tag')),

     

       43
       43
       -
                   t.identifier('tag')

     

       36
       36
       +
                   (_matchId = path.scope.generateUidIdentifier('match')),

     

       37
       37
       +
                   t.identifier('match')

     

       44
       38
        
                 )

     

       45
       39
        
               );

     

       46
       40
        
             } else {

     

       47
       47
       -
               ids.tagId = tagImport.imported;

     

       41
       41
       +
               _matchId = tagImport.imported;

     

       48
       42
        
             }

     

       49
       43
        
           },

     

       50
       44
        
       

     
···

       140
       134
        
                 variableDeclarators.push(

     

       141
       135
        
                   t.variableDeclarator(

     

       142
       136
        
                     id,

     

       143
       143
       -
                     t.callExpression(ids.pattern, [expression])

     

       137
       137
       +
                     t.callExpression(privateMethod('pattern'), [expression])

     

       144
       138
        
                   )

     

       145
       139
        
                 );

     

       146
       140

+3 -2

src/codegen.js

···

       1
       1
       -
       export const _exec = '_exec';

     

       1
       1
       +
       export const _private = '__private';

     

       2
       2
       +
       

     

       2
       3
        
       const _state = 'state';

     

       3
       4
        
       const _node = 'node';

     

       4
       5
        
       const _match = 'x';

     
···

       32
       33
        
           '';

     

       33
       34
        
         const expression = ast.expression.fn

     

       34
       35
        
           ? `${ast.expression.id}(${_state})`

     

       35
       35
       -
           : `${_exec}(${_state}, ${ast.expression.id})`;

     

       36
       36
       +
           : `${_private}.exec(${_state}, ${ast.expression.id})`;

     

       36
       37
        
       

     

       37
       38
        
         return js`

     

       38
       39
        
           if (${_match} = ${expression}) {

+38 -28

src/core.js

···

       1
       1
       -
       import { astRoot, _exec as execId } from './codegen';

     

       1
       1
       +
       import { astRoot, _private as privateId } from './codegen';

     

       2
       2
        
       import { parse as parseDSL } from './parser';

     

       3
       3
        
       

     

       4
       4
        
       const isStickySupported = typeof /./g.sticky === 'boolean';

     

       5
       5
        
       

     

       6
       6
       -
       export const _pattern = (input) => {

     

       7
       7
       -
         if (typeof input === 'function') return input;

     

       8
       8
       -
         const source = typeof input !== 'string' ? input.source : input;

     

       9
       9
       -
         return isStickySupported

     

       10
       10
       -
           ? new RegExp(source, 'y')

     

       11
       11
       -
           : new RegExp(source + '|()', 'g');

     

       12
       12
       -
       };

     

       6
       6
       +
       export const __private = {

     

       7
       7
       +
         pattern(input) {

     

       8
       8
       +
           if (typeof input === 'function') return input;

     

       9
       9
       +
           const source = typeof input !== 'string' ? input.source : input;

     

       10
       10
       +
           return isStickySupported

     

       11
       11
       +
             ? new RegExp(source, 'y')

     

       12
       12
       +
             : new RegExp(source + '|()', 'g');

     

       13
       13
       +
         },

     

       13
       14
        
       

     

       14
       14
       -
       export const _exec = (state, pattern) => {

     

       15
       15
       -
         let match;

     

       16
       16
       -
       

     

       17
       17
       -
         if (typeof pattern === 'function') {

     

       18
       18
       -
           if (!pattern.length) pattern = pattern();

     

       19
       19
       -
           return pattern(state);

     

       20
       20
       -
         }

     

       15
       15
       +
         exec(state, pattern) {

     

       16
       16
       +
           let match;

     

       21
       17
        
       

     

       22
       22
       -
         const input = state.quasis[state.x];

     

       23
       23
       -
         if (input && (pattern.lastIndex = state.y) < input.length) {

     

       24
       24
       -
           if (isStickySupported) {

     

       25
       25
       -
             if (pattern.test(input)) match = input.slice(state.y, pattern.lastIndex);

     

       26
       26
       -
           } else {

     

       27
       27
       -
             match = pattern.exec(input)[0] || match;

     

       18
       18
       +
           if (typeof pattern === 'function') {

     

       19
       19
       +
             if (!pattern.length) pattern = pattern();

     

       20
       20
       +
             return pattern(state);

     

       28
       21
        
           }

     

       29
       22
        
       

     

       30
       30
       -
           state.y = pattern.lastIndex;

     

       31
       31
       -
         }

     

       23
       23
       +
           const input = state.quasis[state.x];

     

       24
       24
       +
           if (input && (pattern.lastIndex = state.y) < input.length) {

     

       25
       25
       +
             if (isStickySupported) {

     

       26
       26
       +
               if (pattern.test(input))

     

       27
       27
       +
                 match = input.slice(state.y, pattern.lastIndex);

     

       28
       28
       +
             } else {

     

       29
       29
       +
               match = pattern.exec(input)[0] || match;

     

       30
       30
       +
             }

     

       32
       31
        
       

     

       33
       33
       -
         return match;

     

       32
       32
       +
             state.y = pattern.lastIndex;

     

       33
       33
       +
           }

     

       34
       34
       +
       

     

       35
       35
       +
           return match;

     

       36
       36
       +
         },

     

       34
       37
        
       };

     

       35
       38
        
       

     

       36
       39
        
       export const interpolation = (predicate) => (state) => {

     
···

       48
       51
        
         return match;

     

       49
       52
        
       };

     

       50
       53
        
       

     

       51
       51
       -
       export const parse = (pattern) => (quasis, ...expressions) => {

     

       54
       54
       +
       export const parse = (matcher) => (quasis, ...expressions) => {

     

       52
       55
        
         if (typeof quasis === 'string') quasis = [quasis];

     

       53
       56
        
         const state = { quasis, expressions, x: 0, y: 0 };

     

       54
       54
       -
         return pattern(state);

     

       57
       57
       +
         return matcher(state);

     

       55
       58
        
       };

     

       56
       59
        
       

     

       57
       60
        
       export const match = (name, transform) => (quasis, ...expressions) => {

     
···

       64
       67
        
         );

     

       65
       68
        
       

     

       66
       69
        
         const makeMatcher = new Function(

     

       67
       67
       -
           execId + ',_n,_t,' + expressions.map((_expression, i) => `_${i}`).join(','),

     

       70
       70
       +
           privateId +

     

       71
       71
       +
             ',_n,_t,' +

     

       72
       72
       +
             expressions.map((_expression, i) => `_${i}`).join(','),

     

       68
       73
        
           'return ' + astRoot(ast, '_n', transform ? '_t' : null)

     

       69
       74
        
         );

     

       70
       75
        
       

     

       71
       71
       -
         return makeMatcher(_exec, name, transform, ...expressions.map(_pattern));

     

       76
       76
       +
         return makeMatcher(

     

       77
       77
       +
           __private,

     

       78
       78
       +
           name,

     

       79
       79
       +
           transform,

     

       80
       80
       +
           ...expressions.map(__private.pattern)

     

       81
       81
       +
         );

     

       72
       82
        
       };