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Improve interpreter

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Bartłomiej Przemysław Pluta
2020-03-13 10:07:19 +01:00
parent b603c9f2c5
commit 4226c6d9ba
1 changed files with 16 additions and 11 deletions
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27
app/src/main/kotlin/io/smnp/interpreter/Interpreter.kt
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@@ -13,16 +13,25 @@ class Interpreter {
private val parser = RootParser()
private val evaluator = RootEvaluator()
fun run(code: String) {
fun run(code: String, printTokens: Boolean = false, printAst: Boolean = false, dryRun: Boolean = false) {
val lines = code.split("\n")
run(lines, printTokens, printAst, dryRun)
}
private fun run(lines: List<String>, printTokens: Boolean = false, printAst: Boolean = false, dryRun: Boolean = false) {
val tokens = tokenizer.tokenize(lines)
val ast = parser.parse(tokens)
val environment = createEnvironment()
val result = evaluator.evaluate(ast.node, environment)
if(printTokens) println(tokens)
if(printAst) ast.node.pretty()
if(result.result == EvaluationResult.FAILED) {
throw RuntimeException("Evaluation failed")
if(!dryRun) {
val environment = createEnvironment()
val result = evaluator.evaluate(ast.node, environment)
if(result.result == EvaluationResult.FAILED) {
throw RuntimeException("Evaluation failed")
}
}
}
@@ -33,12 +42,8 @@ class Interpreter {
return environment
}
fun run(file: File) {
fun run(file: File, printTokens: Boolean = false, printAst: Boolean = false, dryRun: Boolean = false) {
val lines = file.readLines()
val tokens = tokenizer.tokenize(lines)
val ast = parser.parse(tokens)
val environment = createEnvironment()
evaluator.evaluate(ast.node, environment)
run(lines, printTokens, printAst, dryRun)
}
}