implement painless error reporting in monaco

.eslintignore

@@ -44,3 +44,4 @@ snapshots.js
 /packages/kbn-ui-framework/doc_site/build
 /packages/kbn-ui-framework/generator-kui/*/templates/
 /packages/kbn-ui-shared-deps/flot_charts
+/packages/kbn-monaco/src/painless/antlr

package.json

@@ -152,6 +152,7 @@
     "angular-resource": "1.8.0",
     "angular-sanitize": "^1.8.0",
     "angular-ui-ace": "0.2.3",
+    "antlr4ts": "^0.5.0-alpha.3",
     "apollo-cache-inmemory": "1.6.2",
     "apollo-client": "^2.3.8",
     "apollo-link-http": "^1.5.16",
@@ -576,6 +577,7 @@
     "angular-recursion": "^1.0.5",
     "angular-route": "^1.8.0",
     "angular-sortable-view": "^0.0.17",
+    "antlr4ts-cli": "^0.5.0-alpha.3",
     "apidoc": "^0.25.0",
     "apidoc-markdown": "^5.1.8",
     "apollo-link": "^1.2.3",

packages/kbn-monaco/PainlessLexer.g4

@@ -0,0 +1,122 @@
+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+lexer grammar PainlessLexer;
+
+WS: [ \t\n\r]+ -> skip;
+COMMENT: ( '//' .*? [\n\r] | '/*' .*? '*/' ) -> skip;
+
+LBRACK:    '{';
+RBRACK:    '}';
+LBRACE:    '[';
+RBRACE:    ']';
+LP:        '(';
+RP:        ')';
+// We switch modes after a dot to ensure there are not conflicts
+// between shortcuts and decimal values.  Without the mode switch
+// shortcuts such as id.0.0 will fail because 0.0 will be interpreted
+// as a decimal value instead of two individual list-style shortcuts.
+DOT:       '.'  -> mode(AFTER_DOT);
+NSDOT:     '?.' -> mode(AFTER_DOT);
+COMMA:     ',';
+SEMICOLON: ';';
+IF:        'if';
+IN:        'in';
+ELSE:      'else';
+WHILE:     'while';
+DO:        'do';
+FOR:       'for';
+CONTINUE:  'continue';
+BREAK:     'break';
+RETURN:    'return';
+NEW:       'new';
+TRY:       'try';
+CATCH:     'catch';
+THROW:     'throw';
+THIS:      'this';
+INSTANCEOF: 'instanceof';
+
+BOOLNOT: '!';
+BWNOT:   '~';
+MUL:     '*';
+DIV:     '/' { this.isSlashRegex() == false }?;
+REM:     '%';
+ADD:     '+';
+SUB:     '-';
+LSH:     '<<';
+RSH:     '>>';
+USH:     '>>>';
+LT:      '<';
+LTE:     '<=';
+GT:      '>';
+GTE:     '>=';
+EQ:      '==';
+EQR:     '===';
+NE:      '!=';
+NER:     '!==';
+BWAND:   '&';
+XOR:     '^';
+BWOR:    '|';
+BOOLAND: '&&';
+BOOLOR:  '||';
+COND:    '?';
+COLON:   ':';
+ELVIS:   '?:';
+REF:     '::';
+ARROW:   '->';
+FIND:    '=~';
+MATCH:   '==~';
+INCR:    '++';
+DECR:    '--';
+
+ASSIGN: '=';
+AADD:   '+=';
+ASUB:   '-=';
+AMUL:   '*=';
+ADIV:   '/=';
+AREM:   '%=';
+AAND:   '&=';
+AXOR:   '^=';
+AOR:    '|=';
+ALSH:   '<<=';
+ARSH:   '>>=';
+AUSH:   '>>>=';
+
+OCTAL: '0' [0-7]+ [lL]?;
+HEX: '0' [xX] [0-9a-fA-F]+ [lL]?;
+INTEGER: ( '0' | [1-9] [0-9]* ) [lLfFdD]?;
+DECIMAL: ( '0' | [1-9] [0-9]* ) (DOT [0-9]+)? ( [eE] [+\-]? [0-9]+ )? [fFdD]?;
+
+STRING: ( '"' ( '\\"' | '\\\\' | ~[\\"] )*? '"' ) | ( '\'' ( '\\\'' | '\\\\' | ~[\\'] )*? '\'' );
+REGEX: '/' ( '\\' ~'\n' | ~('/' | '\n') )+? '/' [cilmsUux]* { this.isSlashRegex() }?;
+
+TRUE:  'true';
+FALSE: 'false';
+
+NULL: 'null';
+
+PRIMITIVE: 'boolean' | 'byte' | 'short' | 'char' | 'int' | 'long' | 'float' | 'double';
+DEF: 'def';
+
+ID: [_a-zA-Z] [_a-zA-Z0-9]*;
+
+mode AFTER_DOT;
+
+DOTINTEGER: ( '0' | [1-9] [0-9]* ) -> mode(DEFAULT_MODE);
+DOTID: [_a-zA-Z] [_a-zA-Z0-9]*     -> mode(DEFAULT_MODE);

packages/kbn-monaco/PainlessLexer.tokens

@@ -0,0 +1,158 @@
+WS=1
+COMMENT=2
+LBRACK=3
+RBRACK=4
+LBRACE=5
+RBRACE=6
+LP=7
+RP=8
+DOT=9
+NSDOT=10
+COMMA=11
+SEMICOLON=12
+IF=13
+IN=14
+ELSE=15
+WHILE=16
+DO=17
+FOR=18
+CONTINUE=19
+BREAK=20
+RETURN=21
+NEW=22
+TRY=23
+CATCH=24
+THROW=25
+THIS=26
+INSTANCEOF=27
+BOOLNOT=28
+BWNOT=29
+MUL=30
+DIV=31
+REM=32
+ADD=33
+SUB=34
+LSH=35
+RSH=36
+USH=37
+LT=38
+LTE=39
+GT=40
+GTE=41
+EQ=42
+EQR=43
+NE=44
+NER=45
+BWAND=46
+XOR=47
+BWOR=48
+BOOLAND=49
+BOOLOR=50
+COND=51
+COLON=52
+ELVIS=53
+REF=54
+ARROW=55
+FIND=56
+MATCH=57
+INCR=58
+DECR=59
+ASSIGN=60
+AADD=61
+ASUB=62
+AMUL=63
+ADIV=64
+AREM=65
+AAND=66
+AXOR=67
+AOR=68
+ALSH=69
+ARSH=70
+AUSH=71
+OCTAL=72
+HEX=73
+INTEGER=74
+DECIMAL=75
+STRING=76
+REGEX=77
+TRUE=78
+FALSE=79
+NULL=80
+PRIMITIVE=81
+DEF=82
+ID=83
+DOTINTEGER=84
+DOTID=85
+'{'=3
+'}'=4
+'['=5
+']'=6
+'('=7
+')'=8
+'.'=9
+'?.'=10
+','=11
+';'=12
+'if'=13
+'in'=14
+'else'=15
+'while'=16
+'do'=17
+'for'=18
+'continue'=19
+'break'=20
+'return'=21
+'new'=22
+'try'=23
+'catch'=24
+'throw'=25
+'this'=26
+'instanceof'=27
+'!'=28
+'~'=29
+'*'=30
+'/'=31
+'%'=32
+'+'=33
+'-'=34
+'<<'=35
+'>>'=36
+'>>>'=37
+'<'=38
+'<='=39
+'>'=40
+'>='=41
+'=='=42
+'==='=43
+'!='=44
+'!=='=45
+'&'=46
+'^'=47
+'|'=48
+'&&'=49
+'||'=50
+'?'=51
+':'=52
+'?:'=53
+'::'=54
+'->'=55
+'=~'=56
+'==~'=57
+'++'=58
+'--'=59
+'='=60
+'+='=61
+'-='=62
+'*='=63
+'/='=64
+'%='=65
+'&='=66
+'^='=67
+'|='=68
+'<<='=69
+'>>='=70
+'>>>='=71
+'true'=78
+'false'=79
+'null'=80
+'def'=82