postcss-calc
Version:
PostCSS plugin to reduce calc()
1,592 lines (1,394 loc) • 134 kB
JavaScript
/* parser generated by jison 0.6.1-215 */
/*
* Returns a Parser object of the following structure:
*
* Parser: {
* yy: {} The so-called "shared state" or rather the *source* of it;
* the real "shared state" `yy` passed around to
* the rule actions, etc. is a derivative/copy of this one,
* not a direct reference!
* }
*
* Parser.prototype: {
* yy: {},
* EOF: 1,
* TERROR: 2,
*
* trace: function(errorMessage, ...),
*
* JisonParserError: function(msg, hash),
*
* quoteName: function(name),
* Helper function which can be overridden by user code later on: put suitable
* quotes around literal IDs in a description string.
*
* originalQuoteName: function(name),
* The basic quoteName handler provided by JISON.
* `cleanupAfterParse()` will clean up and reset `quoteName()` to reference this function
* at the end of the `parse()`.
*
* describeSymbol: function(symbol),
* Return a more-or-less human-readable description of the given symbol, when
* available, or the symbol itself, serving as its own 'description' for lack
* of something better to serve up.
*
* Return NULL when the symbol is unknown to the parser.
*
* symbols_: {associative list: name ==> number},
* terminals_: {associative list: number ==> name},
* nonterminals: {associative list: rule-name ==> {associative list: number ==> rule-alt}},
* terminal_descriptions_: (if there are any) {associative list: number ==> description},
* productions_: [...],
*
* performAction: function parser__performAction(yytext, yyleng, yylineno, yyloc, yystate, yysp, yyvstack, yylstack, yystack, yysstack),
*
* The function parameters and `this` have the following value/meaning:
* - `this` : reference to the `yyval` internal object, which has members (`$` and `_$`)
* to store/reference the rule value `$$` and location info `@$`.
*
* One important thing to note about `this` a.k.a. `yyval`: every *reduce* action gets
* to see the same object via the `this` reference, i.e. if you wish to carry custom
* data from one reduce action through to the next within a single parse run, then you
* may get nasty and use `yyval` a.k.a. `this` for storing you own semi-permanent data.
*
* `this.yy` is a direct reference to the `yy` shared state object.
*
* `%parse-param`-specified additional `parse()` arguments have been added to this `yy`
* object at `parse()` start and are therefore available to the action code via the
* same named `yy.xxxx` attributes (where `xxxx` represents a identifier name from
* the %parse-param` list.
*
* - `yytext` : reference to the lexer value which belongs to the last lexer token used
* to match this rule. This is *not* the look-ahead token, but the last token
* that's actually part of this rule.
*
* Formulated another way, `yytext` is the value of the token immediately preceeding
* the current look-ahead token.
* Caveats apply for rules which don't require look-ahead, such as epsilon rules.
*
* - `yyleng` : ditto as `yytext`, only now for the lexer.yyleng value.
*
* - `yylineno`: ditto as `yytext`, only now for the lexer.yylineno value.
*
* - `yyloc` : ditto as `yytext`, only now for the lexer.yylloc lexer token location info.
*
* WARNING: since jison 0.4.18-186 this entry may be NULL/UNDEFINED instead
* of an empty object when no suitable location info can be provided.
*
* - `yystate` : the current parser state number, used internally for dispatching and
* executing the action code chunk matching the rule currently being reduced.
*
* - `yysp` : the current state stack position (a.k.a. 'stack pointer')
*
* This one comes in handy when you are going to do advanced things to the parser
* stacks, all of which are accessible from your action code (see the next entries below).
*
* Also note that you can access this and other stack index values using the new double-hash
* syntax, i.e. `##$ === ##0 === yysp`, while `##1` is the stack index for all things
* related to the first rule term, just like you have `$1`, `@1` and `#1`.
* This is made available to write very advanced grammar action rules, e.g. when you want
* to investigate the parse state stack in your action code, which would, for example,
* be relevant when you wish to implement error diagnostics and reporting schemes similar
* to the work described here:
*
* + Pottier, F., 2016. Reachability and error diagnosis in LR(1) automata.
* In Journées Francophones des Languages Applicatifs.
*
* + Jeffery, C.L., 2003. Generating LR syntax error messages from examples.
* ACM Transactions on Programming Languages and Systems (TOPLAS), 25(5), pp.631–640.
*
* - `yyrulelength`: the current rule's term count, i.e. the number of entries occupied on the stack.
*
* This one comes in handy when you are going to do advanced things to the parser
* stacks, all of which are accessible from your action code (see the next entries below).
*
* - `yyvstack`: reference to the parser value stack. Also accessed via the `$1` etc.
* constructs.
*
* - `yylstack`: reference to the parser token location stack. Also accessed via
* the `@1` etc. constructs.
*
* WARNING: since jison 0.4.18-186 this array MAY contain slots which are
* UNDEFINED rather than an empty (location) object, when the lexer/parser
* action code did not provide a suitable location info object when such a
* slot was filled!
*
* - `yystack` : reference to the parser token id stack. Also accessed via the
* `#1` etc. constructs.
*
* Note: this is a bit of a **white lie** as we can statically decode any `#n` reference to
* its numeric token id value, hence that code wouldn't need the `yystack` but *you* might
* want access this array for your own purposes, such as error analysis as mentioned above!
*
* Note that this stack stores the current stack of *tokens*, that is the sequence of
* already parsed=reduced *nonterminals* (tokens representing rules) and *terminals*
* (lexer tokens *shifted* onto the stack until the rule they belong to is found and
* *reduced*.
*
* - `yysstack`: reference to the parser state stack. This one carries the internal parser
* *states* such as the one in `yystate`, which are used to represent
* the parser state machine in the *parse table*. *Very* *internal* stuff,
* what can I say? If you access this one, you're clearly doing wicked things
*
* - `...` : the extra arguments you specified in the `%parse-param` statement in your
* grammar definition file.
*
* table: [...],
* State transition table
* ----------------------
*
* index levels are:
* - `state` --> hash table
* - `symbol` --> action (number or array)
*
* If the `action` is an array, these are the elements' meaning:
* - index [0]: 1 = shift, 2 = reduce, 3 = accept
* - index [1]: GOTO `state`
*
* If the `action` is a number, it is the GOTO `state`
*
* defaultActions: {...},
*
* parseError: function(str, hash, ExceptionClass),
* yyError: function(str, ...),
* yyRecovering: function(),
* yyErrOk: function(),
* yyClearIn: function(),
*
* constructParseErrorInfo: function(error_message, exception_object, expected_token_set, is_recoverable),
* Helper function **which will be set up during the first invocation of the `parse()` method**.
* Produces a new errorInfo 'hash object' which can be passed into `parseError()`.
* See it's use in this parser kernel in many places; example usage:
*
* var infoObj = parser.constructParseErrorInfo('fail!', null,
* parser.collect_expected_token_set(state), true);
* var retVal = parser.parseError(infoObj.errStr, infoObj, parser.JisonParserError);
*
* originalParseError: function(str, hash, ExceptionClass),
* The basic `parseError` handler provided by JISON.
* `cleanupAfterParse()` will clean up and reset `parseError()` to reference this function
* at the end of the `parse()`.
*
* options: { ... parser %options ... },
*
* parse: function(input[, args...]),
* Parse the given `input` and return the parsed value (or `true` when none was provided by
* the root action, in which case the parser is acting as a *matcher*).
* You MAY use the additional `args...` parameters as per `%parse-param` spec of this grammar:
* these extra `args...` are added verbatim to the `yy` object reference as member variables.
*
* WARNING:
* Parser's additional `args...` parameters (via `%parse-param`) MAY conflict with
* any attributes already added to `yy` by the jison run-time;
* when such a collision is detected an exception is thrown to prevent the generated run-time
* from silently accepting this confusing and potentially hazardous situation!
*
* The lexer MAY add its own set of additional parameters (via the `%parse-param` line in
* the lexer section of the grammar spec): these will be inserted in the `yy` shared state
* object and any collision with those will be reported by the lexer via a thrown exception.
*
* cleanupAfterParse: function(resultValue, invoke_post_methods, do_not_nuke_errorinfos),
* Helper function **which will be set up during the first invocation of the `parse()` method**.
* This helper API is invoked at the end of the `parse()` call, unless an exception was thrown
* and `%options no-try-catch` has been defined for this grammar: in that case this helper MAY
* be invoked by calling user code to ensure the `post_parse` callbacks are invoked and
* the internal parser gets properly garbage collected under these particular circumstances.
*
* yyMergeLocationInfo: function(first_index, last_index, first_yylloc, last_yylloc, dont_look_back),
* Helper function **which will be set up during the first invocation of the `parse()` method**.
* This helper API can be invoked to calculate a spanning `yylloc` location info object.
*
* Note: %epsilon rules MAY specify no `first_index` and `first_yylloc`, in which case
* this function will attempt to obtain a suitable location marker by inspecting the location stack
* backwards.
*
* For more info see the documentation comment further below, immediately above this function's
* implementation.
*
* lexer: {
* yy: {...}, A reference to the so-called "shared state" `yy` once
* received via a call to the `.setInput(input, yy)` lexer API.
* EOF: 1,
* ERROR: 2,
* JisonLexerError: function(msg, hash),
* parseError: function(str, hash, ExceptionClass),
* setInput: function(input, [yy]),
* input: function(),
* unput: function(str),
* more: function(),
* reject: function(),
* less: function(n),
* pastInput: function(n),
* upcomingInput: function(n),
* showPosition: function(),
* test_match: function(regex_match_array, rule_index, ...),
* next: function(...),
* lex: function(...),
* begin: function(condition),
* pushState: function(condition),
* popState: function(),
* topState: function(),
* _currentRules: function(),
* stateStackSize: function(),
* cleanupAfterLex: function()
*
* options: { ... lexer %options ... },
*
* performAction: function(yy, yy_, $avoiding_name_collisions, YY_START, ...),
* rules: [...],
* conditions: {associative list: name ==> set},
* }
* }
*
*
* token location info (@$, _$, etc.): {
* first_line: n,
* last_line: n,
* first_column: n,
* last_column: n,
* range: [start_number, end_number]
* (where the numbers are indexes into the input string, zero-based)
* }
*
* ---
*
* The `parseError` function receives a 'hash' object with these members for lexer and
* parser errors:
*
* {
* text: (matched text)
* token: (the produced terminal token, if any)
* token_id: (the produced terminal token numeric ID, if any)
* line: (yylineno)
* loc: (yylloc)
* }
*
* parser (grammar) errors will also provide these additional members:
*
* {
* expected: (array describing the set of expected tokens;
* may be UNDEFINED when we cannot easily produce such a set)
* state: (integer (or array when the table includes grammar collisions);
* represents the current internal state of the parser kernel.
* can, for example, be used to pass to the `collect_expected_token_set()`
* API to obtain the expected token set)
* action: (integer; represents the current internal action which will be executed)
* new_state: (integer; represents the next/planned internal state, once the current
* action has executed)
* recoverable: (boolean: TRUE when the parser MAY have an error recovery rule
* available for this particular error)
* state_stack: (array: the current parser LALR/LR internal state stack; this can be used,
* for instance, for advanced error analysis and reporting)
* value_stack: (array: the current parser LALR/LR internal `$$` value stack; this can be used,
* for instance, for advanced error analysis and reporting)
* location_stack: (array: the current parser LALR/LR internal location stack; this can be used,
* for instance, for advanced error analysis and reporting)
* yy: (object: the current parser internal "shared state" `yy`
* as is also available in the rule actions; this can be used,
* for instance, for advanced error analysis and reporting)
* lexer: (reference to the current lexer instance used by the parser)
* parser: (reference to the current parser instance)
* }
*
* while `this` will reference the current parser instance.
*
* When `parseError` is invoked by the lexer, `this` will still reference the related *parser*
* instance, while these additional `hash` fields will also be provided:
*
* {
* lexer: (reference to the current lexer instance which reported the error)
* }
*
* When `parseError` is invoked by the parser due to a **JavaScript exception** being fired
* from either the parser or lexer, `this` will still reference the related *parser*
* instance, while these additional `hash` fields will also be provided:
*
* {
* exception: (reference to the exception thrown)
* }
*
* Please do note that in the latter situation, the `expected` field will be omitted as
* this type of failure is assumed not to be due to *parse errors* but rather due to user
* action code in either parser or lexer failing unexpectedly.
*
* ---
*
* You can specify parser options by setting / modifying the `.yy` object of your Parser instance.
* These options are available:
*
* ### options which are global for all parser instances
*
* Parser.pre_parse: function(yy)
* optional: you can specify a pre_parse() function in the chunk following
* the grammar, i.e. after the last `%%`.
* Parser.post_parse: function(yy, retval, parseInfo) { return retval; }
* optional: you can specify a post_parse() function in the chunk following
* the grammar, i.e. after the last `%%`. When it does not return any value,
* the parser will return the original `retval`.
*
* ### options which can be set up per parser instance
*
* yy: {
* pre_parse: function(yy)
* optional: is invoked before the parse cycle starts (and before the first
* invocation of `lex()`) but immediately after the invocation of
* `parser.pre_parse()`).
* post_parse: function(yy, retval, parseInfo) { return retval; }
* optional: is invoked when the parse terminates due to success ('accept')
* or failure (even when exceptions are thrown).
* `retval` contains the return value to be produced by `Parser.parse()`;
* this function can override the return value by returning another.
* When it does not return any value, the parser will return the original
* `retval`.
* This function is invoked immediately before `parser.post_parse()`.
*
* parseError: function(str, hash, ExceptionClass)
* optional: overrides the default `parseError` function.
* quoteName: function(name),
* optional: overrides the default `quoteName` function.
* }
*
* parser.lexer.options: {
* pre_lex: function()
* optional: is invoked before the lexer is invoked to produce another token.
* `this` refers to the Lexer object.
* post_lex: function(token) { return token; }
* optional: is invoked when the lexer has produced a token `token`;
* this function can override the returned token value by returning another.
* When it does not return any (truthy) value, the lexer will return
* the original `token`.
* `this` refers to the Lexer object.
*
* ranges: boolean
* optional: `true` ==> token location info will include a .range[] member.
* flex: boolean
* optional: `true` ==> flex-like lexing behaviour where the rules are tested
* exhaustively to find the longest match.
* backtrack_lexer: boolean
* optional: `true` ==> lexer regexes are tested in order and for invoked;
* the lexer terminates the scan when a token is returned by the action code.
* xregexp: boolean
* optional: `true` ==> lexer rule regexes are "extended regex format" requiring the
* `XRegExp` library. When this `%option` has not been specified at compile time, all lexer
* rule regexes have been written as standard JavaScript RegExp expressions.
* }
*/
var parser = (function () {
// See also:
// http://stackoverflow.com/questions/1382107/whats-a-good-way-to-extend-error-in-javascript/#35881508
// but we keep the prototype.constructor and prototype.name assignment lines too for compatibility
// with userland code which might access the derived class in a 'classic' way.
function JisonParserError(msg, hash) {
Object.defineProperty(this, 'name', {
enumerable: false,
writable: false,
value: 'JisonParserError'
});
if (msg == null) msg = '???';
Object.defineProperty(this, 'message', {
enumerable: false,
writable: true,
value: msg
});
this.hash = hash;
var stacktrace;
if (hash && hash.exception instanceof Error) {
var ex2 = hash.exception;
this.message = ex2.message || msg;
stacktrace = ex2.stack;
}
if (!stacktrace) {
if (Error.hasOwnProperty('captureStackTrace')) { // V8/Chrome engine
Error.captureStackTrace(this, this.constructor);
} else {
stacktrace = (new Error(msg)).stack;
}
}
if (stacktrace) {
Object.defineProperty(this, 'stack', {
enumerable: false,
writable: false,
value: stacktrace
});
}
}
if (typeof Object.setPrototypeOf === 'function') {
Object.setPrototypeOf(JisonParserError.prototype, Error.prototype);
} else {
JisonParserError.prototype = Object.create(Error.prototype);
}
JisonParserError.prototype.constructor = JisonParserError;
JisonParserError.prototype.name = 'JisonParserError';
// helper: reconstruct the productions[] table
function bp(s) {
var rv = [];
var p = s.pop;
var r = s.rule;
for (var i = 0, l = p.length; i < l; i++) {
rv.push([
p[i],
r[i]
]);
}
return rv;
}
// helper: reconstruct the defaultActions[] table
function bda(s) {
var rv = {};
var d = s.idx;
var g = s.goto;
for (var i = 0, l = d.length; i < l; i++) {
var j = d[i];
rv[j] = g[i];
}
return rv;
}
// helper: reconstruct the 'goto' table
function bt(s) {
var rv = [];
var d = s.len;
var y = s.symbol;
var t = s.type;
var a = s.state;
var m = s.mode;
var g = s.goto;
for (var i = 0, l = d.length; i < l; i++) {
var n = d[i];
var q = {};
for (var j = 0; j < n; j++) {
var z = y.shift();
switch (t.shift()) {
case 2:
q[z] = [
m.shift(),
g.shift()
];
break;
case 0:
q[z] = a.shift();
break;
default:
// type === 1: accept
q[z] = [
3
];
}
}
rv.push(q);
}
return rv;
}
// helper: runlength encoding with increment step: code, length: step (default step = 0)
// `this` references an array
function s(c, l, a) {
a = a || 0;
for (var i = 0; i < l; i++) {
this.push(c);
c += a;
}
}
// helper: duplicate sequence from *relative* offset and length.
// `this` references an array
function c(i, l) {
i = this.length - i;
for (l += i; i < l; i++) {
this.push(this[i]);
}
}
// helper: unpack an array using helpers and data, all passed in an array argument 'a'.
function u(a) {
var rv = [];
for (var i = 0, l = a.length; i < l; i++) {
var e = a[i];
// Is this entry a helper function?
if (typeof e === 'function') {
i++;
e.apply(rv, a[i]);
} else {
rv.push(e);
}
}
return rv;
}
var parser = {
// Code Generator Information Report
// ---------------------------------
//
// Options:
//
// default action mode: ............. ["classic","merge"]
// test-compile action mode: ........ "parser:*,lexer:*"
// try..catch: ...................... true
// default resolve on conflict: ..... true
// on-demand look-ahead: ............ false
// error recovery token skip maximum: 3
// yyerror in parse actions is: ..... NOT recoverable,
// yyerror in lexer actions and other non-fatal lexer are:
// .................................. NOT recoverable,
// debug grammar/output: ............ false
// has partial LR conflict upgrade: true
// rudimentary token-stack support: false
// parser table compression mode: ... 2
// export debug tables: ............. false
// export *all* tables: ............. false
// module type: ..................... commonjs
// parser engine type: .............. lalr
// output main() in the module: ..... true
// has user-specified main(): ....... false
// has user-specified require()/import modules for main():
// .................................. false
// number of expected conflicts: .... 0
//
//
// Parser Analysis flags:
//
// no significant actions (parser is a language matcher only):
// .................................. false
// uses yyleng: ..................... false
// uses yylineno: ................... false
// uses yytext: ..................... false
// uses yylloc: ..................... false
// uses ParseError API: ............. false
// uses YYERROR: .................... false
// uses YYRECOVERING: ............... false
// uses YYERROK: .................... false
// uses YYCLEARIN: .................. false
// tracks rule values: .............. true
// assigns rule values: ............. true
// uses location tracking: .......... false
// assigns location: ................ false
// uses yystack: .................... false
// uses yysstack: ................... false
// uses yysp: ....................... true
// uses yyrulelength: ............... false
// uses yyMergeLocationInfo API: .... false
// has error recovery: .............. false
// has error reporting: ............. false
//
// --------- END OF REPORT -----------
trace: function no_op_trace() { },
JisonParserError: JisonParserError,
yy: {},
options: {
type: "lalr",
hasPartialLrUpgradeOnConflict: true,
errorRecoveryTokenDiscardCount: 3
},
symbols_: {
"$accept": 0,
"$end": 1,
"ADD": 6,
"ANGLE": 12,
"CALC": 3,
"CALC_KEYWORD": 54,
"CHS": 19,
"CQBS": 48,
"CQHS": 46,
"CQIS": 47,
"CQMAXS": 50,
"CQMINS": 49,
"CQWS": 45,
"DIV": 9,
"DVBS": 40,
"DVHS": 24,
"DVIS": 44,
"DVMAXS": 36,
"DVMINS": 32,
"DVWS": 28,
"EMS": 17,
"EOF": 1,
"EXS": 18,
"FREQ": 14,
"FUNCTION": 10,
"LENGTH": 11,
"LHS": 51,
"LPAREN": 4,
"LVBS": 39,
"LVHS": 23,
"LVIS": 43,
"LVMAXS": 35,
"LVMINS": 31,
"LVWS": 27,
"MUL": 8,
"NUMBER": 55,
"PERCENTAGE": 53,
"REMS": 20,
"RES": 15,
"RLHS": 52,
"RPAREN": 5,
"SUB": 7,
"SVBS": 38,
"SVHS": 22,
"SVIS": 42,
"SVMAXS": 34,
"SVMINS": 30,
"SVWS": 26,
"TIME": 13,
"UNKNOWN_DIMENSION": 16,
"VBS": 37,
"VHS": 21,
"VIS": 41,
"VMAXS": 33,
"VMINS": 29,
"VWS": 25,
"calc_keyword": 60,
"dimension": 59,
"error": 2,
"expression": 56,
"function": 58,
"math_expression": 57,
"number": 61
},
terminals_: {
1: "EOF",
2: "error",
3: "CALC",
4: "LPAREN",
5: "RPAREN",
6: "ADD",
7: "SUB",
8: "MUL",
9: "DIV",
10: "FUNCTION",
11: "LENGTH",
12: "ANGLE",
13: "TIME",
14: "FREQ",
15: "RES",
16: "UNKNOWN_DIMENSION",
17: "EMS",
18: "EXS",
19: "CHS",
20: "REMS",
21: "VHS",
22: "SVHS",
23: "LVHS",
24: "DVHS",
25: "VWS",
26: "SVWS",
27: "LVWS",
28: "DVWS",
29: "VMINS",
30: "SVMINS",
31: "LVMINS",
32: "DVMINS",
33: "VMAXS",
34: "SVMAXS",
35: "LVMAXS",
36: "DVMAXS",
37: "VBS",
38: "SVBS",
39: "LVBS",
40: "DVBS",
41: "VIS",
42: "SVIS",
43: "LVIS",
44: "DVIS",
45: "CQWS",
46: "CQHS",
47: "CQIS",
48: "CQBS",
49: "CQMINS",
50: "CQMAXS",
51: "LHS",
52: "RLHS",
53: "PERCENTAGE",
54: "CALC_KEYWORD",
55: "NUMBER"
},
TERROR: 2,
EOF: 1,
// internals: defined here so the object *structure* doesn't get modified by parse() et al,
// thus helping JIT compilers like Chrome V8.
originalQuoteName: null,
originalParseError: null,
cleanupAfterParse: null,
constructParseErrorInfo: null,
yyMergeLocationInfo: null,
__reentrant_call_depth: 0, // INTERNAL USE ONLY
__error_infos: [], // INTERNAL USE ONLY: the set of parseErrorInfo objects created since the last cleanup
__error_recovery_infos: [], // INTERNAL USE ONLY: the set of parseErrorInfo objects created since the last cleanup
// APIs which will be set up depending on user action code analysis:
//yyRecovering: 0,
//yyErrOk: 0,
//yyClearIn: 0,
// Helper APIs
// -----------
// Helper function which can be overridden by user code later on: put suitable quotes around
// literal IDs in a description string.
quoteName: function parser_quoteName(id_str) {
return '"' + id_str + '"';
},
// Return the name of the given symbol (terminal or non-terminal) as a string, when available.
//
// Return NULL when the symbol is unknown to the parser.
getSymbolName: function parser_getSymbolName(symbol) {
if (this.terminals_[symbol]) {
return this.terminals_[symbol];
}
// Otherwise... this might refer to a RULE token i.e. a non-terminal: see if we can dig that one up.
//
// An example of this may be where a rule's action code contains a call like this:
//
// parser.getSymbolName(#$)
//
// to obtain a human-readable name of the current grammar rule.
var s = this.symbols_;
for (var key in s) {
if (s[key] === symbol) {
return key;
}
}
return null;
},
// Return a more-or-less human-readable description of the given symbol, when available,
// or the symbol itself, serving as its own 'description' for lack of something better to serve up.
//
// Return NULL when the symbol is unknown to the parser.
describeSymbol: function parser_describeSymbol(symbol) {
if (symbol !== this.EOF && this.terminal_descriptions_ && this.terminal_descriptions_[symbol]) {
return this.terminal_descriptions_[symbol];
}
else if (symbol === this.EOF) {
return 'end of input';
}
var id = this.getSymbolName(symbol);
if (id) {
return this.quoteName(id);
}
return null;
},
// Produce a (more or less) human-readable list of expected tokens at the point of failure.
//
// The produced list may contain token or token set descriptions instead of the tokens
// themselves to help turning this output into something that easier to read by humans
// unless `do_not_describe` parameter is set, in which case a list of the raw, *numeric*,
// expected terminals and nonterminals is produced.
//
// The returned list (array) will not contain any duplicate entries.
collect_expected_token_set: function parser_collect_expected_token_set(state, do_not_describe) {
var TERROR = this.TERROR;
var tokenset = [];
var check = {};
// Has this (error?) state been outfitted with a custom expectations description text for human consumption?
// If so, use that one instead of the less palatable token set.
if (!do_not_describe && this.state_descriptions_ && this.state_descriptions_[state]) {
return [
this.state_descriptions_[state]
];
}
for (var p in this.table[state]) {
p = +p;
if (p !== TERROR) {
var d = do_not_describe ? p : this.describeSymbol(p);
if (d && !check[d]) {
tokenset.push(d);
check[d] = true; // Mark this token description as already mentioned to prevent outputting duplicate entries.
}
}
}
return tokenset;
},
productions_: bp({
pop: u([
56,
s,
[57, 10],
58,
s,
[59, 45],
60,
s,
[61, 3]
]),
rule: u([
2,
4,
s,
[3, 5],
s,
[1, 48],
2,
2,
c,
[4, 4]
])
}),
performAction: function parser__PerformAction(yystate /* action[1] */, yysp, yyvstack) {
/* this == yyval */
// the JS engine itself can go and remove these statements when `yy` turns out to be unused in any action code!
var yy = this.yy;
var yyparser = yy.parser;
var yylexer = yy.lexer;
switch (yystate) {
case 0:
/*! Production:: $accept : expression $end */
// default action (generated by JISON mode classic/merge :: 1,VT,VA,-,-,-,-,-,-):
this.$ = yyvstack[yysp - 1];
// END of default action (generated by JISON mode classic/merge :: 1,VT,VA,-,-,-,-,-,-)
break;
case 1:
/*! Production:: expression : math_expression EOF */
// default action (generated by JISON mode classic/merge :: 2,VT,VA,-,-,-,-,-,-):
this.$ = yyvstack[yysp - 1];
// END of default action (generated by JISON mode classic/merge :: 2,VT,VA,-,-,-,-,-,-)
return yyvstack[yysp - 1];
break;
case 2:
/*! Production:: math_expression : CALC LPAREN math_expression RPAREN */
this.$ = yyvstack[yysp - 1];
break;
case 3:
/*! Production:: math_expression : math_expression ADD math_expression */
case 4:
/*! Production:: math_expression : math_expression SUB math_expression */
case 5:
/*! Production:: math_expression : math_expression MUL math_expression */
case 6:
/*! Production:: math_expression : math_expression DIV math_expression */
this.$ = { type: 'MathExpression', operator: yyvstack[yysp - 1], left: yyvstack[yysp - 2], right: yyvstack[yysp] };
break;
case 7:
/*! Production:: math_expression : LPAREN math_expression RPAREN */
this.$ = { type: 'ParenthesizedExpression', content: yyvstack[yysp - 1] };
break;
case 8:
/*! Production:: math_expression : function */
case 9:
/*! Production:: math_expression : dimension */
case 10:
/*! Production:: math_expression : number */
case 11:
/*! Production:: math_expression : calc_keyword */
this.$ = yyvstack[yysp];
break;
case 12:
/*! Production:: function : FUNCTION */
this.$ = { type: 'Function', value: yyvstack[yysp] };
break;
case 13:
/*! Production:: dimension : LENGTH */
this.$ = { type: 'LengthValue', value: parseFloat(yyvstack[yysp]), unit: /[a-z]+$/i.exec(yyvstack[yysp])[0] };
break;
case 14:
/*! Production:: dimension : ANGLE */
this.$ = { type: 'AngleValue', value: parseFloat(yyvstack[yysp]), unit: /[a-z]+$/i.exec(yyvstack[yysp])[0] };
break;
case 15:
/*! Production:: dimension : TIME */
this.$ = { type: 'TimeValue', value: parseFloat(yyvstack[yysp]), unit: /[a-z]+$/i.exec(yyvstack[yysp])[0] };
break;
case 16:
/*! Production:: dimension : FREQ */
this.$ = { type: 'FrequencyValue', value: parseFloat(yyvstack[yysp]), unit: /[a-z]+$/i.exec(yyvstack[yysp])[0] };
break;
case 17:
/*! Production:: dimension : RES */
this.$ = { type: 'ResolutionValue', value: parseFloat(yyvstack[yysp]), unit: /[a-z]+$/i.exec(yyvstack[yysp])[0] };
break;
case 18:
/*! Production:: dimension : UNKNOWN_DIMENSION */
this.$ = { type: 'UnknownDimension', value: parseFloat(yyvstack[yysp]), unit: /[a-z]+$/i.exec(yyvstack[yysp])[0] };
break;
case 19:
/*! Production:: dimension : EMS */
this.$ = { type: 'EmValue', value: parseFloat(yyvstack[yysp]), unit: 'em' };
break;
case 20:
/*! Production:: dimension : EXS */
this.$ = { type: 'ExValue', value: parseFloat(yyvstack[yysp]), unit: 'ex' };
break;
case 21:
/*! Production:: dimension : CHS */
this.$ = { type: 'ChValue', value: parseFloat(yyvstack[yysp]), unit: 'ch' };
break;
case 22:
/*! Production:: dimension : REMS */
this.$ = { type: 'RemValue', value: parseFloat(yyvstack[yysp]), unit: 'rem' };
break;
case 23:
/*! Production:: dimension : VHS */
this.$ = { type: 'VhValue', value: parseFloat(yyvstack[yysp]), unit: 'vh' };
break;
case 24:
/*! Production:: dimension : SVHS */
this.$ = { type: 'SvhValue', value: parseFloat(yyvstack[yysp]), unit: 'svh' };
break;
case 25:
/*! Production:: dimension : LVHS */
this.$ = { type: 'LvhValue', value: parseFloat(yyvstack[yysp]), unit: 'lvh' };
break;
case 26:
/*! Production:: dimension : DVHS */
this.$ = { type: 'DvhValue', value: parseFloat(yyvstack[yysp]), unit: 'dvh' };
break;
case 27:
/*! Production:: dimension : VWS */
this.$ = { type: 'VwValue', value: parseFloat(yyvstack[yysp]), unit: 'vw' };
break;
case 28:
/*! Production:: dimension : SVWS */
this.$ = { type: 'SvwValue', value: parseFloat(yyvstack[yysp]), unit: 'svw' };
break;
case 29:
/*! Production:: dimension : LVWS */
this.$ = { type: 'LvwValue', value: parseFloat(yyvstack[yysp]), unit: 'lvw' };
break;
case 30:
/*! Production:: dimension : DVWS */
this.$ = { type: 'DvwValue', value: parseFloat(yyvstack[yysp]), unit: 'dvw' };
break;
case 31:
/*! Production:: dimension : VMINS */
this.$ = { type: 'VminValue', value: parseFloat(yyvstack[yysp]), unit: 'vmin' };
break;
case 32:
/*! Production:: dimension : SVMINS */
this.$ = { type: 'SvminValue', value: parseFloat(yyvstack[yysp]), unit: 'svmin' };
break;
case 33:
/*! Production:: dimension : LVMINS */
this.$ = { type: 'LvminValue', value: parseFloat(yyvstack[yysp]), unit: 'lvmin' };
break;
case 34:
/*! Production:: dimension : DVMINS */
this.$ = { type: 'DvminValue', value: parseFloat(yyvstack[yysp]), unit: 'dvmin' };
break;
case 35:
/*! Production:: dimension : VMAXS */
this.$ = { type: 'VmaxValue', value: parseFloat(yyvstack[yysp]), unit: 'vmax' };
break;
case 36:
/*! Production:: dimension : SVMAXS */
this.$ = { type: 'SvmaxValue', value: parseFloat(yyvstack[yysp]), unit: 'svmax' };
break;
case 37:
/*! Production:: dimension : LVMAXS */
this.$ = { type: 'LvmaxValue', value: parseFloat(yyvstack[yysp]), unit: 'lvmax' };
break;
case 38:
/*! Production:: dimension : DVMAXS */
this.$ = { type: 'DvmaxValue', value: parseFloat(yyvstack[yysp]), unit: 'dvmax' };
break;
case 39:
/*! Production:: dimension : VBS */
this.$ = { type: 'VbValue', value: parseFloat(yyvstack[yysp]), unit: 'vb' };
break;
case 40:
/*! Production:: dimension : SVBS */
this.$ = { type: 'SvbValue', value: parseFloat(yyvstack[yysp]), unit: 'svb' };
break;
case 41:
/*! Production:: dimension : LVBS */
this.$ = { type: 'LvbValue', value: parseFloat(yyvstack[yysp]), unit: 'lvb' };
break;
case 42:
/*! Production:: dimension : DVBS */
this.$ = { type: 'DvbValue', value: parseFloat(yyvstack[yysp]), unit: 'dvb' };
break;
case 43:
/*! Production:: dimension : VIS */
this.$ = { type: 'VhValue', value: parseFloat(yyvstack[yysp]), unit: 'vi' };
break;
case 44:
/*! Production:: dimension : SVIS */
this.$ = { type: 'SvhValue', value: parseFloat(yyvstack[yysp]), unit: 'svi' };
break;
case 45:
/*! Production:: dimension : LVIS */
this.$ = { type: 'LvhValue', value: parseFloat(yyvstack[yysp]), unit: 'lvi' };
break;
case 46:
/*! Production:: dimension : DVIS */
this.$ = { type: 'DvhValue', value: parseFloat(yyvstack[yysp]), unit: 'dvi' };
break;
case 47:
/*! Production:: dimension : CQWS */
this.$ = { type: 'CqwValue', value: parseFloat(yyvstack[yysp]), unit: 'cqw' };
break;
case 48:
/*! Production:: dimension : CQHS */
this.$ = { type: 'CqhValue', value: parseFloat(yyvstack[yysp]), unit: 'cqh' };
break;
case 49:
/*! Production:: dimension : CQIS */
this.$ = { type: 'CqiValue', value: parseFloat(yyvstack[yysp]), unit: 'cqi' };
break;
case 50:
/*! Production:: dimension : CQBS */
this.$ = { type: 'CqbValue', value: parseFloat(yyvstack[yysp]), unit: 'cqb' };
break;
case 51:
/*! Production:: dimension : CQMINS */
this.$ = { type: 'CqminValue', value: parseFloat(yyvstack[yysp]), unit: 'cqmin' };
break;
case 52:
/*! Production:: dimension : CQMAXS */
this.$ = { type: 'CqmaxValue', value: parseFloat(yyvstack[yysp]), unit: 'cqmax' };
break;
case 53:
/*! Production:: dimension : LHS */
this.$ = { type: 'LhValue', value: parseFloat(yyvstack[yysp]), unit: 'lh' };
break;
case 54:
/*! Production:: dimension : RLHS */
this.$ = { type: 'RlhValue', value: parseFloat(yyvstack[yysp]), unit: 'rlh' };
break;
case 55:
/*! Production:: dimension : PERCENTAGE */
this.$ = { type: 'PercentageValue', value: parseFloat(yyvstack[yysp]), unit: '%' };
break;
case 56:
/*! Production:: dimension : ADD dimension */
var prev = yyvstack[yysp]; this.$ = prev;
break;
case 57:
/*! Production:: dimension : SUB dimension */
var prev = yyvstack[yysp]; prev.value *= -1; this.$ = prev;
break;
case 58:
/*! Production:: calc_keyword : CALC_KEYWORD */
this.$ = { type: 'CalcKeyword', value: yyvstack[yysp] };
break;
case 59:
/*! Production:: number : NUMBER */
case 60:
/*! Production:: number : ADD NUMBER */
this.$ = { type: 'Number', value: parseFloat(yyvstack[yysp]) };
break;
case 61:
/*! Production:: number : SUB NUMBER */
this.$ = { type: 'Number', value: parseFloat(yyvstack[yysp]) * -1 };
break;
}
},
table: bt({
len: u([
56,
1,
5,
1,
55,
s,
[0, 48],
47,
47,
s,
[0, 3],
s,
[55, 5],
5,
0,
0,
46,
46,
0,
0,
6,
6,
0,
0,
c,
[11, 3]
]),
symbol: u([
3,
4,
6,
7,
s,
[10, 52, 1],
1,
1,
s,
[6, 4, 1],
4,
c,
[63, 50],
c,
[62, 5],
6,
7,
c,
[52, 43],
55,
59,
c,
[47, 47],
c,
[149, 55],
c,
[55, 220],
s,
[5, 5, 1],
c,
[327, 45],
c,
[373, 46],
59,
1,
c,
[98, 5],
c,
[6, 6],
c,
[5, 5]
]),
type: u([
s,
[2, 50],
s,
[0, 6],
1,
s,
[2, 56],
s,
[0, 5],
c,
[51, 47],
c,
[47, 93],
c,
[149, 55],
c,
[55, 225],
c,
[46, 63]
]),
state: u([
1,
2,
5,
6,
8,
7,
63,
c,
[5, 4],
64,
68,
70,
c,
[7, 4],
71,
c,
[5, 4],
72,
c,
[5, 4],
73,
c,
[5, 4],
74,
c,
[27, 6]
]),
mode: u([
s,
[1, 543],
s,
[2, 4],
c,
[6, 8],
s,
[1, 5]
]),
goto: u([
3,
4,
53,
54,
s,
[9, 44, 1],
56,
55,
s,
[57, 6, 1],
c,
[56, 50],
66,
67,
c,
[47, 43],
65,
c,
[46, 45],
69,
c,
[142, 50],
c,
[50, 200],
75,
c,
[398, 4],
c,
[301, 45],
c,
[45, 45],
s,
[3, 4],
60,
61,
s,
[4, 4],
60,
61,
76,
c,
[107, 4]
])
}),
defaultActions: bda({
idx: u([
s,
[5, 48, 1],
55,
56,
57,
64,
65,
68,
69,
72,
73,
75,
76
]),
goto: u([
s,
[8, 48, 1],
59,
58,
1,
56,
60,
57,
61,
5,
6,
7,
2
])
}),
parseError: function parseError(str, hash, ExceptionClass) {
if (hash.recoverable) {
if (typeof this.trace === 'function') {
this.trace(str);
}
hash.destroy(); // destroy... well, *almost*!
} else {
if (typeof this.trace === 'function') {
this.trace(str);
}
if (!ExceptionClass) {
ExceptionClass = this.JisonParserError;
}
throw new ExceptionClass(str, hash);
}
},
parse: function parse(input) {
var self = this;
var stack = new Array(128); // token stack: stores token which leads to state at the same index (column storage)
var sstack = new Array(128); // state stack: stores states (column storage)
var vstack = new Array(128); // semantic value stack
var table = this.table;
var sp = 0; // 'stack pointer': index into the stacks
var symbol = 0;
var TERROR = this.TERROR;
var EOF = this.EOF;
var ERROR_RECOVERY_TOKEN_DISCARD_COUNT = (this.options.errorRecoveryTokenDiscardCount | 0) || 3;
var NO_ACTION = [0, 77 /* === table.length :: ensures that anyone using this new state will fail dramatically! */];
var lexer;
if (this.__lexer__) {
lexer = this.__lexer__;
} else {
lexer = this.__lexer__ = Object.create(this.lexer);
}
var sharedState_yy = {
parseError: undefined,
quoteName: undefined,
lexer: undefined,
parser: undefined,
pre_parse: undefined,
post_parse: undefined,
pre_lex: undefined,
post_lex: undefined // WARNING: must be written this way for the code expanders to work correctly in both ES5 and ES6 modes!
};
var ASSERT;
if (typeof assert !== 'function') {
ASSERT = function JisonAssert(cond, msg) {
if (!cond) {
throw new Error('assertion failed: ' + (msg || '***'));
}
};
} else {
ASSERT = assert;
}
this.yyGetSharedState = function yyGetSharedState() {
return sharedState_yy;
};
function shallow_copy_noclobber(dst, src) {
for (var k in src) {
if (typeof dst[k] === 'undefined' && Object.prototype.hasOwnProperty.call(src, k)) {
dst[k] = src[k];
}
}
}
// copy state
shallow_copy_noclobber(sharedState_yy, this.yy);
sharedState_yy.lexer = lexer;
sharedState_yy.parser = this;
// Does the shared state override the default `parseError` that already comes with this instance?
if (typeof sharedState_yy.parseError === 'function') {
this.parseError = function parseErrorAlt(str, hash, ExceptionClass) {
if (!ExceptionClass) {
ExceptionClass = this.JisonParserError;
}
return sharedState_yy.parseError.call(this, str, hash, ExceptionClass);
};
} else {
this.parseError = this.originalParseError;
}
// Does the shared state override the default `quoteName` that already comes with this instance?
if (typeof sharedState_yy.quoteName === 'function') {
this.quoteName = function quoteNameAlt(id_str) {
return sharedState_yy.quoteName.call(this, id_str);
};
} else {
this.quoteName = this.originalQuoteName;
}
// set up the cleanup function; make it an API so that external code can re-use this one in case of
// calamities or when the `%options no-try-catch` option has been specified for the grammar, in which
// case this parse() API method doesn't come with a `finally { ... }` block any more!
//
// NOTE: as this API uses parse() as a closure, it MUST be set again on every parse() invocation,
// or else your `sharedState`, etc. references will be *wrong*!
this.cleanupAfterParse = function parser_cleanupAfterParse(resultValue, invoke_post_methods, do_not_nuke_errorinfos) {
var rv;
if (invoke_post_methods) {
var hash;
if (sharedState_yy.post_parse || this.post_parse) {
// create an error hash info instance: we re-use this API in a **non-error situation**
// as this one delivers all parser internals ready for access by userland code.
hash = this.constructParseErrorInfo(null /* no error! */, null /* no exception! */, null, false);
}
if (sharedState_yy.post_parse) {
rv = sharedState_yy.post_parse.call(this, sharedState_yy, resultValue, hash);
if (typeof rv !== 'undefined') resultValue = rv;
}
if (this.post_parse) {
rv = this.post_parse.call(this, sharedState_yy, resultValue, hash);
if (typeof rv !== 'undefined') resultValue = rv;
}
// cleanup:
if (hash && hash.destroy) {
hash.destroy();
}
}
if (this.__reentrant_call_depth > 1) return resultValue; // do not (yet) kill the sharedState when this is a reentrant run.
// clean up the lingering lexer structures as well:
if (lexer.cleanupAfterLex) {
lexer.cleanupAfterLex(do_not_nuke_errorinfos);
}
// prevent lingering circular references from causing memory leaks:
if (sharedState_yy) {