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add a standard library, and introduce formed imports (import std "myfile.pork")

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This commit is contained in:
Alex Zenla
2023-09-06 21:39:57 -07:00
parent f31e12df89
commit 0e4362eefb
18 changed files with 153 additions and 32 deletions
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5
evaluator/src/main/kotlin/gay/pizza/pork/evaluator/CompilationUnitContext.kt
View File

@ -4,6 +4,7 @@ import gay.pizza.pork.ast.CompilationUnit
import gay.pizza.pork.ast.Definition
import gay.pizza.pork.ast.FunctionDefinition
import gay.pizza.pork.ast.ImportDeclaration
import gay.pizza.pork.frontend.ImportLocator
class CompilationUnitContext(
val compilationUnit: CompilationUnit,
@ -50,8 +51,8 @@ class CompilationUnitContext(
}
private fun processImport(import: ImportDeclaration) {
val path = import.path.text
val evaluationContext = evaluator.context(path)
val importLocator = ImportLocator(import.path.text, import.form?.id)
val evaluationContext = evaluator.context(importLocator)
internalScope.inherit(evaluationContext.externalScope)
}
}

11
evaluator/src/main/kotlin/gay/pizza/pork/evaluator/Evaluator.kt
View File

@ -1,17 +1,18 @@
package gay.pizza.pork.evaluator
import gay.pizza.pork.frontend.ImportLocator
import gay.pizza.pork.frontend.World
class Evaluator(val world: World, val scope: Scope) {
private val contexts = mutableMapOf<String, CompilationUnitContext>()
private val nativeFunctionProviders = mutableMapOf<String, NativeFunctionProvider>()
fun evaluate(path: String): Scope =
context(path).externalScope
fun evaluate(locator: ImportLocator): Scope =
context(locator).externalScope
fun context(path: String): CompilationUnitContext {
val unit = world.load(path)
val identity = world.contentSource.stableContentIdentity(path)
fun context(locator: ImportLocator): CompilationUnitContext {
val unit = world.load(locator)
val identity = world.stableIdentity(locator)
val context = contexts.computeIfAbsent(identity) {
CompilationUnitContext(unit, this, scope)
}