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idea: brace matching and function resolution

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This commit is contained in:
Alex Zenla
2023-09-21 21:08:20 -07:00
parent c4f65a66ca
commit d12aadf18c
22 changed files with 229 additions and 49 deletions
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35
support/pork-idea/src/main/kotlin/gay/pizza/pork/idea/PorkBraceMatcher.kt Normal file
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@ -0,0 +1,35 @@
package gay.pizza.pork.idea
import com.intellij.lang.BracePair
import com.intellij.lang.PairedBraceMatcher
import com.intellij.psi.PsiFile
import com.intellij.psi.tree.IElementType
import gay.pizza.pork.parser.TokenType
class PorkBraceMatcher : PairedBraceMatcher {
override fun getPairs(): Array<BracePair> = arrayOf(
BracePair(
PorkElementTypes.elementTypeFor(TokenType.LeftCurly),
PorkElementTypes.elementTypeFor(TokenType.RightCurly),
true
),
BracePair(
PorkElementTypes.elementTypeFor(TokenType.LeftParentheses),
PorkElementTypes.elementTypeFor(TokenType.RightParentheses),
false
),
BracePair(
PorkElementTypes.elementTypeFor(TokenType.LeftBracket),
PorkElementTypes.elementTypeFor(TokenType.RightBracket),
false
)
)
override fun isPairedBracesAllowedBeforeType(lbraceType: IElementType, contextType: IElementType?): Boolean {
return true
}
override fun getCodeConstructStart(file: PsiFile?, openingBraceOffset: Int): Int {
return openingBraceOffset
}
}

1
support/pork-idea/src/main/kotlin/gay/pizza/pork/idea/PorkLanguage.kt
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@ -2,4 +2,5 @@ package gay.pizza.pork.idea
import com.intellij.lang.Language
@Suppress("JavaIoSerializableObjectMustHaveReadResolve")
object PorkLanguage : Language("Pork")

6
support/pork-idea/src/main/kotlin/gay/pizza/pork/idea/PorkLexer.kt
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@ -61,10 +61,12 @@ class PorkLexer : LexerBase() {
internalTokenEnd = currentToken.sourceIndex.index + currentToken.text.length
} catch (e: ProcessCanceledException) {
throw e
} catch (e: Throwable) {
} catch (e: BadCharacterError) {
currentTokenType = PsiTokenType.BAD_CHARACTER
internalTokenEnd = bufferEnd
} catch (e: UnterminatedTokenError) {
currentTokenType = PsiTokenType.BAD_CHARACTER
internalTokenEnd = bufferEnd
log.warn(Tokenizer::class.java.name, e)
}
}

3
support/pork-idea/src/main/kotlin/gay/pizza/pork/idea/PorkParser.kt
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@ -3,17 +3,20 @@ package gay.pizza.pork.idea
import com.intellij.lang.ASTNode
import com.intellij.lang.PsiBuilder
import com.intellij.lang.PsiParser
import com.intellij.psi.impl.PsiElementBase
import com.intellij.psi.tree.IElementType
import gay.pizza.pork.parser.Parser
class PorkParser : PsiParser {
override fun parse(root: IElementType, builder: PsiBuilder): ASTNode {
val marker = builder.mark()
val psiBuilderMarkAttribution = PsiBuilderMarkAttribution(builder)
val source = PsiBuilderTokenSource(builder)
val parser = Parser(source, psiBuilderMarkAttribution)
try {
parser.parseCompilationUnit()
} catch (_: ExitParser) {}
marker.done(root)
return builder.treeBuilt
}

35
support/pork-idea/src/main/kotlin/gay/pizza/pork/idea/psi/PorkElementHelpers.kt
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@ -1,11 +1,34 @@
package gay.pizza.pork.idea.psi
import gay.pizza.pork.ast.Node
import gay.pizza.pork.idea.PorkNodeKey
import com.intellij.psi.PsiElement
import com.intellij.psi.PsiReference
import com.intellij.psi.util.childrenOfType
import gay.pizza.pork.ast.NodeType
import gay.pizza.pork.idea.PorkElementTypes
import gay.pizza.pork.idea.psi.gen.PorkElement
import gay.pizza.pork.idea.psi.gen.PorkNamedElement
import gay.pizza.pork.idea.psi.gen.SymbolElement
val PorkElement.porkNode: Node?
get() = node.getUserData(PorkNodeKey)
object PorkElementHelpers {
private val symbolElementType = PorkElementTypes.elementTypeFor(NodeType.Symbol)
val PorkElement.porkNodeChecked: Node
get() = porkNode!!
fun nameOfNamedElement(element: PorkNamedElement): String? {
val child = element.node.findChildByType(symbolElementType)
return child?.text
}
fun setNameOfNamedElement(element: PorkNamedElement, name: String): PsiElement = element
fun nameIdentifierOfNamedElement(element: PorkNamedElement): PsiElement? {
val child = element.node.findChildByType(symbolElementType)
return child?.psi
}
fun referenceOfElement(element: PorkElement, type: NodeType): PsiReference? {
val textRangeOfSymbolInElement = element.childrenOfType<SymbolElement>().firstOrNull()?.textRangeInParent ?: return null
if (type == NodeType.FunctionDefinition) {
return PorkFunctionReference(element, textRangeOfSymbolInElement)
}
return null
}
}

22
support/pork-idea/src/main/kotlin/gay/pizza/pork/idea/psi/PorkFunctionReference.kt Normal file
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@ -0,0 +1,22 @@
package gay.pizza.pork.idea.psi
import com.intellij.openapi.util.TextRange
import com.intellij.psi.util.PsiTreeUtil
import gay.pizza.pork.idea.psi.gen.FunctionDefinitionElement
import gay.pizza.pork.idea.psi.gen.PorkElement
class PorkFunctionReference(element: PorkElement, textRange: TextRange) : PorkReference(element, textRange) {
override fun resolve(): PorkElement? {
val functionName = canonicalText
for (file in getRelevantFiles()) {
val thisFileFunctionDefinitions = PsiTreeUtil.collectElementsOfType(file, FunctionDefinitionElement::class.java)
val thisFileFoundFunctionDefinition = thisFileFunctionDefinitions.firstOrNull {
it.name == functionName
}
if (thisFileFoundFunctionDefinition != null) {
return thisFileFoundFunctionDefinition
}
}
return null
}
}

34
support/pork-idea/src/main/kotlin/gay/pizza/pork/idea/psi/PorkReference.kt Normal file
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@ -0,0 +1,34 @@
package gay.pizza.pork.idea.psi
import com.intellij.openapi.util.TextRange
import com.intellij.psi.PsiElement
import com.intellij.psi.PsiFile
import com.intellij.psi.PsiManager
import com.intellij.psi.PsiReferenceBase
import com.intellij.psi.util.PsiTreeUtil
import com.intellij.psi.util.childrenOfType
import gay.pizza.pork.idea.psi.gen.ImportDeclarationElement
import gay.pizza.pork.idea.psi.gen.PorkElement
import gay.pizza.pork.idea.psi.gen.SymbolElement
abstract class PorkReference(element: PorkElement, textRange: TextRange) : PsiReferenceBase<PsiElement>(element, textRange) {
fun getRelevantFiles(): List<PsiFile> {
val containingFile = element.containingFile
val importDeclarationElements = PsiTreeUtil.collectElementsOfType(containingFile, ImportDeclarationElement::class.java)
val files = mutableListOf<PsiFile>(containingFile)
for (importDeclaration in importDeclarationElements) {
val symbolElements = importDeclaration.childrenOfType<SymbolElement>()
val importType = importDeclaration.childrenOfType<SymbolElement>().first().text
if (importType != "local") {
continue
}
val basicImportPath = symbolElements.drop(1).joinToString("/") { it.text.trim() }
val actualImportPath = "../${basicImportPath}.pork"
val virtualFile = containingFile.virtualFile.findFileByRelativePath(actualImportPath) ?: continue
val psiFile = PsiManager.getInstance(element.project).findFile(virtualFile) ?: continue
files.add(psiFile)
}
return files
}
}

8
support/pork-idea/src/main/kotlin/gay/pizza/pork/idea/psi/gen/FunctionCallElement.kt
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@ -1,6 +1,12 @@
// GENERATED CODE FROM PORK AST CODEGEN
package gay.pizza.pork.idea.psi.gen
import com.intellij.psi.PsiReference
import com.intellij.lang.ASTNode
import gay.pizza.pork.ast.NodeType
import gay.pizza.pork.idea.psi.PorkElementHelpers
class FunctionCallElement(node: ASTNode) : PorkElement(node)
class FunctionCallElement(node: ASTNode) : PorkElement(node) {
override fun getReference(): PsiReference? =
PorkElementHelpers.referenceOfElement(this, NodeType.FunctionDefinition)
}

10
support/pork-idea/src/main/kotlin/gay/pizza/pork/idea/psi/gen/FunctionDefinitionElement.kt
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@ -3,13 +3,15 @@ package gay.pizza.pork.idea.psi.gen
import com.intellij.psi.PsiElement
import com.intellij.lang.ASTNode
import gay.pizza.pork.ast.NodeType
import gay.pizza.pork.idea.PorkElementTypes
import gay.pizza.pork.idea.psi.PorkElementHelpers
class FunctionDefinitionElement(node: ASTNode) : PorkNamedElement(node) {
override fun getName(): String? =
node.findChildByType(PorkElementTypes.elementTypeFor(NodeType.FunctionDefinition))?.text
PorkElementHelpers.nameOfNamedElement(this)
override fun setName(name: String): PsiElement =
this
PorkElementHelpers.setNameOfNamedElement(this, name)
override fun getNameIdentifier(): PsiElement? =
PorkElementHelpers.nameIdentifierOfNamedElement(this)
}

10
support/pork-idea/src/main/kotlin/gay/pizza/pork/idea/psi/gen/LetAssignmentElement.kt
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@ -3,13 +3,15 @@ package gay.pizza.pork.idea.psi.gen
import com.intellij.psi.PsiElement
import com.intellij.lang.ASTNode
import gay.pizza.pork.ast.NodeType
import gay.pizza.pork.idea.PorkElementTypes
import gay.pizza.pork.idea.psi.PorkElementHelpers
class LetAssignmentElement(node: ASTNode) : PorkNamedElement(node) {
override fun getName(): String? =
node.findChildByType(PorkElementTypes.elementTypeFor(NodeType.LetAssignment))?.text
PorkElementHelpers.nameOfNamedElement(this)
override fun setName(name: String): PsiElement =
this
PorkElementHelpers.setNameOfNamedElement(this, name)
override fun getNameIdentifier(): PsiElement? =
PorkElementHelpers.nameIdentifierOfNamedElement(this)
}

10
support/pork-idea/src/main/kotlin/gay/pizza/pork/idea/psi/gen/LetDefinitionElement.kt
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@ -3,13 +3,15 @@ package gay.pizza.pork.idea.psi.gen
import com.intellij.psi.PsiElement
import com.intellij.lang.ASTNode
import gay.pizza.pork.ast.NodeType
import gay.pizza.pork.idea.PorkElementTypes
import gay.pizza.pork.idea.psi.PorkElementHelpers
class LetDefinitionElement(node: ASTNode) : PorkNamedElement(node) {
override fun getName(): String? =
node.findChildByType(PorkElementTypes.elementTypeFor(NodeType.LetDefinition))?.text
PorkElementHelpers.nameOfNamedElement(this)
override fun setName(name: String): PsiElement =
this
PorkElementHelpers.setNameOfNamedElement(this, name)
override fun getNameIdentifier(): PsiElement? =
PorkElementHelpers.nameIdentifierOfNamedElement(this)
}

3
support/pork-idea/src/main/kotlin/gay/pizza/pork/idea/psi/gen/PorkNamedElement.kt
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@ -2,6 +2,7 @@
package gay.pizza.pork.idea.psi.gen
import com.intellij.lang.ASTNode
import com.intellij.psi.PsiNameIdentifierOwner
import com.intellij.psi.PsiNamedElement
abstract class PorkNamedElement(node: ASTNode) : PorkElement(node), PsiNamedElement
abstract class PorkNamedElement(node: ASTNode) : PorkElement(node), PsiNamedElement, PsiNameIdentifierOwner

10
support/pork-idea/src/main/kotlin/gay/pizza/pork/idea/psi/gen/SetAssignmentElement.kt
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@ -3,13 +3,15 @@ package gay.pizza.pork.idea.psi.gen
import com.intellij.psi.PsiElement
import com.intellij.lang.ASTNode
import gay.pizza.pork.ast.NodeType
import gay.pizza.pork.idea.PorkElementTypes
import gay.pizza.pork.idea.psi.PorkElementHelpers
class SetAssignmentElement(node: ASTNode) : PorkNamedElement(node) {
override fun getName(): String? =
node.findChildByType(PorkElementTypes.elementTypeFor(NodeType.SetAssignment))?.text
PorkElementHelpers.nameOfNamedElement(this)
override fun setName(name: String): PsiElement =
this
PorkElementHelpers.setNameOfNamedElement(this, name)
override fun getNameIdentifier(): PsiElement? =
PorkElementHelpers.nameIdentifierOfNamedElement(this)
}

13
support/pork-idea/src/main/kotlin/gay/pizza/pork/idea/psi/gen/SymbolReferenceElement.kt
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@ -1,15 +1,12 @@
// GENERATED CODE FROM PORK AST CODEGEN
package gay.pizza.pork.idea.psi.gen
import com.intellij.psi.PsiElement
import com.intellij.psi.PsiReference
import com.intellij.lang.ASTNode
import gay.pizza.pork.ast.NodeType
import gay.pizza.pork.idea.PorkElementTypes
import gay.pizza.pork.idea.psi.PorkElementHelpers
class SymbolReferenceElement(node: ASTNode) : PorkNamedElement(node) {
override fun getName(): String? =
node.findChildByType(PorkElementTypes.elementTypeFor(NodeType.SymbolReference))?.text
override fun setName(name: String): PsiElement =
this
class SymbolReferenceElement(node: ASTNode) : PorkElement(node) {
override fun getReference(): PsiReference? =
PorkElementHelpers.referenceOfElement(this, NodeType.Node)
}

10
support/pork-idea/src/main/kotlin/gay/pizza/pork/idea/psi/gen/VarAssignmentElement.kt
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@ -3,13 +3,15 @@ package gay.pizza.pork.idea.psi.gen
import com.intellij.psi.PsiElement
import com.intellij.lang.ASTNode
import gay.pizza.pork.ast.NodeType
import gay.pizza.pork.idea.PorkElementTypes
import gay.pizza.pork.idea.psi.PorkElementHelpers
class VarAssignmentElement(node: ASTNode) : PorkNamedElement(node) {
override fun getName(): String? =
node.findChildByType(PorkElementTypes.elementTypeFor(NodeType.VarAssignment))?.text
PorkElementHelpers.nameOfNamedElement(this)
override fun setName(name: String): PsiElement =
this
PorkElementHelpers.setNameOfNamedElement(this, name)
override fun getNameIdentifier(): PsiElement? =
PorkElementHelpers.nameIdentifierOfNamedElement(this)
}

3
support/pork-idea/src/main/resources/META-INF/plugin.xml
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@ -17,6 +17,9 @@
<lang.commenter
language="Pork"
implementationClass="gay.pizza.pork.idea.PorkCommenter"/>
<lang.braceMatcher
language="Pork"
implementationClass="gay.pizza.pork.idea.PorkBraceMatcher"/>
<psi.declarationProvider implementation="gay.pizza.pork.idea.PorkSymbolDeclarationProvider"/>
</extensions>