recaptime.dev
@recaptime-dev's working patches + fork for Phorge, a community fork of Phabricator. (Upstream dev and stable branches are at upstream/main and upstream/stable respectively.)
hq.recaptime.dev/wiki/Phorge
phorge
phabricator
1<?php
2
3final class PhutilJavaCodeSnippetContextFreeGrammar
4 extends PhutilCLikeCodeSnippetContextFreeGrammar {
5
6 protected function buildRuleSet() {
7 $parent_ruleset = parent::buildRuleSet();
8 $rulesset = array_merge($parent_ruleset, $this->getClassRuleSets());
9
10 $rulesset[] = $this->getTypeNameGrammarSet();
11 $rulesset[] = $this->getNamespaceDeclGrammarSet();
12 $rulesset[] = $this->getNamespaceNameGrammarSet();
13 $rulesset[] = $this->getImportGrammarSet();
14 $rulesset[] = $this->getMethodReturnTypeGrammarSet();
15 $rulesset[] = $this->getMethodNameGrammarSet();
16 $rulesset[] = $this->getVarDeclGrammarSet();
17 $rulesset[] = $this->getClassDerivGrammarSet();
18
19 return $rulesset;
20 }
21
22 protected function getStartGrammarSet() {
23 return $this->buildGrammarSet('start',
24 array(
25 '[import, block][nmspdecl, block][classdecl, block]',
26 ));
27 }
28
29 protected function getClassDeclGrammarSet() {
30 return $this->buildGrammarSet('classdecl',
31 array(
32 '[classinheritancemod] [visibility] class [classname][classderiv] '.
33 '{[classbody, indent, block]}',
34 '[visibility] class [classname][classderiv] '.
35 '{[classbody, indent, block]}',
36 ));
37 }
38
39 protected function getClassDerivGrammarSet() {
40 return $this->buildGrammarSet('classderiv',
41 array(
42 ' extends [classname]',
43 '',
44 '',
45 ));
46 }
47
48 protected function getTypeNameGrammarSet() {
49 return $this->buildGrammarSet('type',
50 array(
51 'int',
52 'boolean',
53 'char',
54 'short',
55 'long',
56 'float',
57 'double',
58 '[classname]',
59 '[type][]',
60 ));
61 }
62
63 protected function getMethodReturnTypeGrammarSet() {
64 return $this->buildGrammarSet('methodreturn',
65 array(
66 '[type]',
67 'void',
68 ));
69 }
70
71 protected function getNamespaceDeclGrammarSet() {
72 return $this->buildGrammarSet('nmspdecl',
73 array(
74 'package [nmspname][term]',
75 ));
76 }
77
78 protected function getNamespaceNameGrammarSet() {
79 return $this->buildGrammarSet('nmspname',
80 array(
81 'java.lang',
82 'java.io',
83 'com.example.proj.std',
84 'derp.example.www',
85 ));
86 }
87
88 protected function getImportGrammarSet() {
89 return $this->buildGrammarSet('import',
90 array(
91 'import [nmspname][term]',
92 'import [nmspname].*[term]',
93 'import [nmspname].[classname][term]',
94 ));
95 }
96
97 protected function getExprGrammarSet() {
98 $expr = parent::getExprGrammarSet();
99
100 $expr['expr'][] = 'new [classname]([funccallparam])';
101
102 $expr['expr'][] = '[methodcall]';
103 $expr['expr'][] = '[methodcall]';
104 $expr['expr'][] = '[methodcall]';
105 $expr['expr'][] = '[methodcall]';
106
107 // Add some 'char's
108 for ($ii = 0; $ii < 2; $ii++) {
109 $expr['expr'][] = "'".Filesystem::readRandomCharacters(1)."'";
110 }
111
112 return $expr;
113 }
114
115 protected function getStmtGrammarSet() {
116 $stmt = parent::getStmtGrammarSet();
117
118 $stmt['stmt'][] = '[vardecl]';
119 $stmt['stmt'][] = '[vardecl]';
120 // `try` to `throw` a `Ball`!
121 $stmt['stmt'][] = 'throw [classname][term]';
122
123 return $stmt;
124 }
125
126 protected function getPropDeclGrammarSet() {
127 return $this->buildGrammarSet('propdecl',
128 array(
129 '[visibility] [type] [varname][term]',
130 ));
131 }
132
133 protected function getVarDeclGrammarSet() {
134 return $this->buildGrammarSet('vardecl',
135 array(
136 '[type] [varname][term]',
137 '[type] [assignment][term]',
138 ));
139 }
140
141 protected function getFuncNameGrammarSet() {
142 return $this->buildGrammarSet('funcname',
143 array(
144 '[methodname]',
145 '[classname].[methodname]',
146 // This is just silly (too much recursion)
147 // '[classname].[funcname]',
148 // Don't do this for now, it just clutters up output (thanks to rec.)
149 // '[nmspname].[classname].[methodname]',
150 ));
151 }
152
153 // Renamed from `funcname`
154 protected function getMethodNameGrammarSet() {
155 $funcnames = head(parent::getFuncNameGrammarSet());
156 return $this->buildGrammarSet('methodname', $funcnames);
157 }
158
159 protected function getMethodFuncDeclGrammarSet() {
160 return $this->buildGrammarSet('methodfuncdecl',
161 array(
162 '[methodreturn] [methodname]([funcparam]) '.
163 '{[methodbody, indent, block, trim=right]}',
164 ));
165 }
166
167 protected function getFuncParamGrammarSet() {
168 return $this->buildGrammarSet('funcparam',
169 array(
170 '',
171 '[type] [varname]',
172 '[type] [varname], [type] [varname]',
173 '[type] [varname], [type] [varname], [type] [varname]',
174 ));
175 }
176
177 protected function getAbstractMethodDeclGrammarSet() {
178 return $this->buildGrammarSet('abstractmethoddecl',
179 array(
180 'abstract [methodreturn] [methodname]([funcparam])[term]',
181 ));
182 }
183
184}