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adamwojsadamwojs
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Added Expression Language support
1 parent 5d6fd5d commit 2aea320

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+555
-1
lines changed

‎.gitignore

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@@ -3,3 +3,4 @@ out/
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/.idea/misc.xml
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/.gradle
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/build
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/src/main/gen

‎build.gradle

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import org.gradle.api.tasks.testing.logging.TestExceptionFormat
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import org.jetbrains.grammarkit.tasks.*
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plugins {
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id "org.jetbrains.intellij" version "0.4.11"
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id 'com.palantir.git-version' version "0.11.0"
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id "org.jetbrains.grammarkit" version "2021.1.3"
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}
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def htmlFixer = { htmlFile -> file(htmlFile).text.replace('<html>', '').replace('</html>', '') }
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targetCompatibility = JavaVersion.VERSION_11
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apply plugin: 'org.jetbrains.intellij'
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apply plugin: 'org.jetbrains.grammarkit'
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intellij {
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version ideaVersion
@@ -53,6 +56,24 @@ publishPlugin {
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token System.getenv('IJ_TOKEN')
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}
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task generateExpressionLanguageLexer(type: GenerateLexer) {
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source = 'src/main/java/fr/adrienbrault/idea/symfony2plugin/expressionLanguage/ExpressionLanguage.flex'
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targetDir = 'src/main/gen/fr/adrienbrault/idea/symfony2plugin/expressionLanguage/'
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targetClass = 'ExpressionLanguageLexer'
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}
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task generateExpressionLanguageParser(type: GenerateParser) {
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source = 'src/main/java/fr/adrienbrault/idea/symfony2plugin/expressionLanguage/ExpressionLanguage.bnf'
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targetRoot = 'src/main/gen'
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pathToParser = 'src/main/gen/fr/adrienbrault/idea/symfony2plugin/expressionLanguage/ExpressionLanguageParser.java'
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pathToPsiRoot = 'src/main/gen/fr/adrienbrault/idea/symfony2plugin/expressionLanguage/psi'
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}
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compileJava {
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dependsOn generateExpressionLanguageLexer
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dependsOn generateExpressionLanguageParser
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}
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group 'fr.adrienbrault.idea.symfony2plugin'
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def details = versionDetails()
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}
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test.testLogging.exceptionFormat = TestExceptionFormat.FULL
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// Include the generated files in the source set
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sourceSets.main.java.srcDirs 'src/main/gen'

‎src/main/java/fr/adrienbrault/idea/symfony2plugin/expressionLanguage/ExpressionLanguage.bnf

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{
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parserClass="fr.adrienbrault.idea.symfony2plugin.expressionLanguage.ExpressionLanguageParser"
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extends="com.intellij.extapi.psi.ASTWrapperPsiElement"
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psiClassPrefix="ExpressionLanguage"
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psiImplClassSuffix="Impl"
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psiPackage="fr.adrienbrault.idea.symfony2plugin.expressionLanguage.psi"
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psiImplPackage="fr.adrienbrault.idea.symfony2plugin.expressionLanguage.psi.impl"
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elementTypeHolderClass="fr.adrienbrault.idea.symfony2plugin.expressionLanguage.psi.ExpressionLanguageTypes"
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elementTypeClass="fr.adrienbrault.idea.symfony2plugin.expressionLanguage.psi.ExpressionLanguageElementType"
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tokenTypeClass="fr.adrienbrault.idea.symfony2plugin.expressionLanguage.psi.ExpressionLanguageTokenType"
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extends(".*expr")=expr
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tokens=[
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space='regexp:\s+'
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number='regexp:\d+(\.\d*)?'
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null="regexp:NULL|null"
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true="regexp:TRUE|true"
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false="regexp:FALSE|false"
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id='regexp:\p{Alpha}\w*'
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string="regexp:('([^'\\]|\\.)*'|\"([^\"\\]|\\.)*\")"
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OP_OR="regexp:or|\|\|"
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OP_AND="regexp:and|&&"
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OP_BIT_OR="|"
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OP_BIT_XOR="^"
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OP_BIT_AND="&"
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OP_IDENTICAL="==="
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OP_EQ="=="
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OP_NOT_IDENTICAL="!=="
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OP_NEQ="!="
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OP_LT="<"
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OP_GT=">"
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OP_GTE=">="
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OP_LTE="<="
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OP_NOT_IN="not in"
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OP_IN="in"
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OP_MATCHES="matches"
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OP_RANGE=".."
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OP_PLUS="+"
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OP_MINUS="-"
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OP_CONCAT="~"
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OP_MUL="*"
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OP_DIV="/"
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OP_MOD="%"
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OP_POW="**"
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OP_NOT='regexp:not|\!'
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L_ROUND_BRACKET="("
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R_ROUND_BRACKET=")"
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L_CURLY_BRACKET="{"
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R_CURLY_BRACKET="}"
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L_SQUARE_BRACKET="["
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R_SQUARE_BRACKET="]"
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syntax='regexp:[?:.,]'
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]
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}
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root ::= expr
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expr ::= ternary_group
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| or_expr
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| and_expr
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| bit_or_expr
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| bit_xor_expr
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| bit_and_expr
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| rel_group
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| range_expr
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| add_group
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| concat_expr
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| mul_group
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| not_expr
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| exp_expr
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| sign_group
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| qualification_expr
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| array_access_expr
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| primary_group
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private sign_group ::= unary_plus_expr | unary_min_expr
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private mul_group ::= mul_expr | div_expr | mod_expr
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private add_group ::= plus_expr | minus_expr
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private ternary_group ::= ternary_expr | elvis_expr
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private rel_group ::= eq_strict_expr
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| eq_expr
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| neq_strict_expr
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| neq_expr
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| gte_expr
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| gt_expr
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| lt_expr
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| lte_expr
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| not_in_expr
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| in_expr
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| matches_expr
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private primary_group ::= simple_ref_expr | literal_expr | array_expr | hash_expr | call_expr | paren_expr
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not_expr ::= OP_NOT expr
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unary_min_expr ::= OP_MINUS expr
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unary_plus_expr ::= OP_PLUS expr
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div_expr ::= expr OP_DIV expr
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mul_expr ::= expr OP_MUL expr
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mod_expr ::= expr OP_MOD expr
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concat_expr ::= expr OP_CONCAT expr
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minus_expr ::= expr OP_MINUS expr
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plus_expr ::= expr OP_PLUS expr
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range_expr ::= expr OP_RANGE expr
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eq_strict_expr ::= expr OP_IDENTICAL expr
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neq_strict_expr ::= expr OP_NOT_IDENTICAL expr
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eq_expr ::= expr OP_EQ expr
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neq_expr ::= expr OP_NEQ expr
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gt_expr ::= expr OP_GT expr
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gte_expr ::= expr OP_GTE expr
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lt_expr ::= expr OP_LT expr
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lte_expr ::= expr OP_LTE expr
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not_in_expr ::= expr OP_NOT_IN expr
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in_expr ::= expr OP_IN expr
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matches_expr ::= expr OP_MATCHES expr
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or_expr ::= expr OP_OR expr
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and_expr ::= expr OP_AND expr
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bit_and_expr ::= expr OP_BIT_AND expr
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bit_or_expr ::= expr OP_BIT_OR expr
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bit_xor_expr ::= expr OP_BIT_XOR expr
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exp_expr ::= expr (OP_POW expr)+
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paren_expr ::= L_ROUND_BRACKET expr R_ROUND_BRACKET
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ternary_expr ::= expr '?' expr (':' expr)?
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elvis_expr ::= expr '?:' expr
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fake ref_expr ::= expr? '.' identifier
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simple_ref_expr ::= identifier {extends=ref_expr elementType=ref_expr}
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qualification_expr ::= expr '.' identifier {extends=ref_expr elementType=ref_expr}
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array_access_expr ::= expr L_SQUARE_BRACKET expr R_SQUARE_BRACKET {extends=ref_expr elementType=ref_expr}
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literal_expr ::= number | string | true | false | null
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array_expr ::= L_SQUARE_BRACKET expr_list? R_SQUARE_BRACKET
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hash_expr ::= L_CURLY_BRACKET hash_entries? R_CURLY_BRACKET
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call_expr ::= expr L_ROUND_BRACKET expr_list? R_ROUND_BRACKET
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private hash_entries ::= hash_entry (',' hash_entry)*
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private hash_entry ::= identifier ':' expr
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private expr_list ::= expr (',' expr_list)*
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identifier ::= id

‎src/main/java/fr/adrienbrault/idea/symfony2plugin/expressionLanguage/ExpressionLanguage.flex

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package fr.adrienbrault.idea.symfony2plugin.expressionLanguage;
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import com.intellij.lexer.FlexLexer;
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import com.intellij.psi.tree.IElementType;
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import static com.intellij.psi.TokenType.BAD_CHARACTER;
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import static com.intellij.psi.TokenType.WHITE_SPACE;
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import static fr.adrienbrault.idea.symfony2plugin.expressionLanguage.psi.ExpressionLanguageTypes.*;
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%%
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%{
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public ExpressionLanguageLexer() {
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this((java.io.Reader)null);
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}
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%}
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%public
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%class ExpressionLanguageLexer
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%implements FlexLexer
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%function advance
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%type IElementType
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%unicode
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EOL=\R
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WHITE_SPACE=\s+
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SPACE=[ \t\n\x0B\f\r]+
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NUMBER=[0-9]+(\.[0-9]*)?
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NULL=NULL|null
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TRUE=TRUE|true
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FALSE=FALSE|false
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ID=[:letter:][a-zA-Z_0-9]*
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STRING=('([^'\\]|\\.)*'|\"([^\"\\]|\\.)*\")
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OP_OR=or|\|\|
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OP_AND=and|&&
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OP_NOT=not|\!
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SYNTAX=[?:.,]
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%%
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<YYINITIAL> {
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{WHITE_SPACE} { return WHITE_SPACE; }
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"|" { return OP_BIT_OR; }
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"^" { return OP_BIT_XOR; }
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"&" { return OP_BIT_AND; }
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"===" { return OP_IDENTICAL; }
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"==" { return OP_EQ; }
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"!==" { return OP_NOT_IDENTICAL; }
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"!=" { return OP_NEQ; }
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"<" { return OP_LT; }
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">" { return OP_GT; }
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">=" { return OP_GTE; }
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"<=" { return OP_LTE; }
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"not in" { return OP_NOT_IN; }
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"in" { return OP_IN; }
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"matches" { return OP_MATCHES; }
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".." { return OP_RANGE; }
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"+" { return OP_PLUS; }
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"-" { return OP_MINUS; }
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"~" { return OP_CONCAT; }
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"*" { return OP_MUL; }
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"/" { return OP_DIV; }
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"%" { return OP_MOD; }
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"**" { return OP_POW; }
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"(" { return L_ROUND_BRACKET; }
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")" { return R_ROUND_BRACKET; }
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"{" { return L_CURLY_BRACKET; }
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"}" { return R_CURLY_BRACKET; }
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"[" { return L_SQUARE_BRACKET; }
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"]" { return R_SQUARE_BRACKET; }
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{SPACE} { return SPACE; }
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{NUMBER} { return NUMBER; }
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{NULL} { return NULL; }
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{TRUE} { return TRUE; }
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{FALSE} { return FALSE; }
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{ID} { return ID; }
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{STRING} { return STRING; }
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{OP_OR} { return OP_OR; }
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{OP_AND} { return OP_AND; }
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{OP_NOT} { return OP_NOT; }
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{SYNTAX} { return SYNTAX; }
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}
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[^] { return BAD_CHARACTER; }

‎src/main/java/fr/adrienbrault/idea/symfony2plugin/expressionLanguage/ExpressionLanguage.java

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package fr.adrienbrault.idea.symfony2plugin.expressionLanguage;
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import com.intellij.lang.Language;
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public class ExpressionLanguage extends Language {
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public static final ExpressionLanguage INSTANCE = new ExpressionLanguage();
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private ExpressionLanguage() {
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super("Symfony Expression Language");
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}
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}

‎src/main/java/fr/adrienbrault/idea/symfony2plugin/expressionLanguage/ExpressionLanguageBraceMatcher.java

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package fr.adrienbrault.idea.symfony2plugin.expressionLanguage;
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import com.intellij.lang.BracePair;
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import com.intellij.lang.PairedBraceMatcher;
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import com.intellij.psi.PsiFile;
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import com.intellij.psi.tree.IElementType;
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import fr.adrienbrault.idea.symfony2plugin.expressionLanguage.psi.ExpressionLanguageTypes;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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public class ExpressionLanguageBraceMatcher implements PairedBraceMatcher {
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private static BracePair[] PAIRS = {
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new BracePair(
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ExpressionLanguageTypes.L_ROUND_BRACKET,
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ExpressionLanguageTypes.R_ROUND_BRACKET,
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true
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),
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new BracePair(
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ExpressionLanguageTypes.L_SQUARE_BRACKET,
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ExpressionLanguageTypes.R_SQUARE_BRACKET,
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true
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),
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new BracePair(
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ExpressionLanguageTypes.L_CURLY_BRACKET,
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ExpressionLanguageTypes.R_CURLY_BRACKET,
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true
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),
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};
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@Override
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public BracePair[] getPairs() {
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return PAIRS;
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}
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@Override
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public boolean isPairedBracesAllowedBeforeType(@NotNull IElementType lbraceType, @Nullable IElementType contextType) {
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return false;
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}
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@Override
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public int getCodeConstructStart(PsiFile file, int openingBraceOffset) {
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return openingBraceOffset;
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}
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}

‎src/main/java/fr/adrienbrault/idea/symfony2plugin/expressionLanguage/ExpressionLanguageFileType.java

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package fr.adrienbrault.idea.symfony2plugin.expressionLanguage;
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import com.intellij.openapi.fileTypes.LanguageFileType;
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import fr.adrienbrault.idea.symfony2plugin.Symfony2Icons;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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import javax.swing.*;
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public class ExpressionLanguageFileType extends LanguageFileType {
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public static final ExpressionLanguageFileType INSTANCE = new ExpressionLanguageFileType();
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private ExpressionLanguageFileType() {
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super(ExpressionLanguage.INSTANCE);
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}
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@NotNull
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@Override
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public String getName() {
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return "Expression Language File";
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}
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@NotNull
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@Override
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public String getDescription() {
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return "Expression Language file";
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}
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@NotNull
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@Override
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public String getDefaultExtension() {
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return "sfel";
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}
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@Override
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@Nullable
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public Icon getIcon() {
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return Symfony2Icons.SYMFONY;
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}
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}

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