added jison action code test cases. (Running into trouble cf. jestjs/…

…jest#2441 while trying to make these work. !@#$%^&*-jest!)

tests/jison-action-codeblocks/action-blocks_0001.js

@@ -0,0 +1 @@
+rv = #LABEL#;

tests/jison-action-codeblocks/action-blocks_0002.js

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+@$ = @1 + 1;

tests/jison-action-codeblocks/action-blocks_0003.js

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+$$ = $1.tx(`blub: ${$1} @ ${@1} vs. ${@alt_loc}?`);

tests/jison-action-codeblocks/action-blocks_0004.js

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+yyparser.prettyPrint(`no dice! ${#ID#} is not what you are looking for!`);

tests/jison-action-codeblocks/action-blocks_0005.js

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+$1.push($2, {
+	yylloc,
+	tokens: [#1, #2],
+})

tests/jison-action-codeblocks/action-blocks_0006.js

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+if ($1 > 0) YYCONTINUE
+yyerror("B0rk @ " + #STMT)

tests/jison-action-codeblocks/action-blocks_0014.js

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+$$ = $1.tx(`blub: ${$$1} @ ${@@1} vs. ${##alt_loc}?`);

tests/jison-action-codeblocks/action-blocks_0015.js

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+// test jison negative index reference variables recognition:
+$$ = {
+	val: $-1 + a.tx(`blub: ${$$-2} @ ${@@-3} vs. ${##-4}?`),
+	loc: @-5,
+	idx: #-6,
+};

tests/jison-action-codeblocks/action-blocks_0016.js

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+    if ($prec) {
+        if ($handle.length === 0) {
+            yyerror(rmCommonWS`
+                You cannot specify a precedence override for an epsilon (a.k.a. empty) rule!
+
+                  Erroneous area:
+                ${yylexer.prettyPrintRange(@handle, @0 /* @handle is very probably NULL! We need this one for some decent location info! */, @action /* ditto! */)}
+            `);
+        }
+        $$.push($prec);
+    }

tests/jison-action-codeblocks/action-var-edge-cases_0017.js

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+// test jison variable decoding edge cases: accept any number of $ as legal variable names
+    if ($) {
+        $$.push($);
+    }

tests/jison-action-codeblocks/action-var-edge-cases_0018.js

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+// any jison var referencing current value is okay: $$, @$, #$, ##$, #$#
+$$ = 0;
+@$.range = [1, 2];
+// highly suspect as the next few are considered strictly CONSTANTS/RVALUES in JISON:
+#$--;
+##$--;
+#$#--;

tests/jison-action-codeblocks/action-var-edge-cases_0019.js

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+// do not confuse jison vars with @def or @@iter ES7/ESX constructs:
+@def.start_line = 1;
+@@iter.range = [2, 3];

tests/jison-action-codeblocks/action-var-edge-cases_0020.js

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+// negative index jison variables:
+$$ = $-1 + $-2 + $12;
+@$ = @-1 + @0;
+
+// babel itself does not have the smarts built in to detect the wrongness in these:
+#$ = #-1 + #0;
+##$ = ##-1 + ##7;
+#$# += #-1# + #0#;

tests/jison-action-codeblocks/illegal-action-blocks_0007.js

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+// illegal = non-jison identifier:
+rv = #1#2#;

tests/jison-action-codeblocks/illegal-action-blocks_0008.js

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+// illegal = non-jison identifiers:
+location@home = 1;

tests/jison-action-codeblocks/illegal-action-blocks_0009.js

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+// illegal = non-jison markers. These are not identifiers!
+rv = #;

tests/jison-action-codeblocks/illegal-action-blocks_0010.js

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+// illegal = non-jison markers. These are not identifiers!
+rv = @;

tests/jison-action-codeblocks/illegal-action-blocks_0011.js

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+// illegal = non-jison markers. These are not identifiers!
+rv = #@;

tests/jison-action-codeblocks/illegal-action-blocks_0012.js

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+// illegal = non-jison identifier:
+rv = a2#;

tests/jison-action-codeblocks/illegal-action-blocks_0013.js

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+// illegal = non-jison identifier:
+rv = a#b;

tests/jison-action-codeblocks/illegal-action-blocks_0021.js

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+// illegal = non-jison identifier:
+rv = a#b;

tests/jison-action-codeblocks/illegal-action-blocks_0022.js

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+// illegal = non-jison identifier:
+rv = @@;

tests/jison-action-codeblocks/illegal-action-blocks_0023.js

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+// illegal = non-jison identifier:
+rv = ##;

tests/jison-action-codeblocks/illegal-action-blocks_0025.js

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+// illegal = non-jison identifier: yet this decodes as legal JS: `$ - $`
+rv = @-@;

tests/jison-action-codeblocks/jsfmt.spec.js

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+// const defaultOptions = {
+//   // Source type ("script" or "module") for different semantics
+//   sourceType: "script",
+//   // Source filename.
+//   sourceFilename: undefined,
+//   // Line from which to start counting source. Useful for
+//   // integration with other tools.
+//   startLine: 1,
+//   // When enabled, await at the top level is not considered an
+//   // error.
+//   allowAwaitOutsideFunction: false,
+//   // When enabled, a return at the top level is not considered an
+//   // error.
+//   allowReturnOutsideFunction: false,
+//   // When enabled, import/export statements are not constrained to
+//   // appearing at the top of the program.
+//   allowImportExportEverywhere: false,
+//   // TODO
+//   allowSuperOutsideMethod: false,
+//   // An array of plugins to enable
+//   plugins: [],
+//   // TODO
+//   strictMode: null,
+//   // Nodes have their start and end characters offsets recorded in
+//   // `start` and `end` properties (directly on the node, rather than
+//   // the `loc` object, which holds line/column data. To also add a
+//   // [semi-standardized][range] `range` property holding a `[start,
+//   // end]` array with the same numbers, set the `ranges` option to
+//   // `true`.
+//   //
+//   // [range]: https://bugzilla.mozilla.org/show_bug.cgi?id=745678
+//   ranges: false,
+//   // Adds all parsed tokens to a `tokens` property on the `File` node
+//   tokens: false,
+//   // Recognize JISON action block variables, e.g. `#1` or `@id`
+//   jisonVariables: false,
+// };
+
+run_spec(__dirname, ["babylon"], {
+	parserOptions: {
+		jisonVariables: true		
+	}
+});

tests/jison-action-codeblocks/not-jison-yet-legal-JS_0024.js

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+// illegal = non-jison identifier: yet this decodes as legal JS: `$ - $`
+rv = $-$;

tests/jison-action-codeblocks/not-jison-yet-legal-JS_0026.js

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+// this decodes as legal JS: `$ - 5`
+rv = $- 5;

tests/jison-action-codeblocks/not-jison-yet-legal-JS_0027.js

@@ -0,0 +1,2 @@
+// this decodes as legal JS: `$ - 5`
+rv = $ -5;

tmp/package.json

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+{
+  "name": "tmp",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+  }
+}