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/*
* Copyright 2001-2013 Artima, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.scalatest
import org.scalactic._
import scala.quoted._
import org.scalatest.diagrams._
object DiagrammedAssertionsMacro {
/**
* The macro implementation, it'll try to detect if it is a multiline expression, if it is, it'll just fallback to use BooleanMacro.
*
*/
private def macroImpl(
helper: Expr[(DiagrammedExpr[Boolean], Any, String, source.Position) => Assertion],
fallback: Expr[(Bool, Any, source.Position) => Assertion],
condition: Expr[Boolean], clue: Expr[Any],
prettifier: Expr[Prettifier],
pos: Expr[source.Position])(implicit qctx: QuoteContext): Expr[Assertion] = {
import qctx.tasty._
val startLine = rootPosition.startLine // Get the expression first line number
val endLine = rootPosition.endLine // Get the expression last line number
if (startLine == endLine) // Only use diagram macro if it is one line, where startLine will be equaled to endLine
DiagramsMacro.transform(helper, condition, pos, clue, rootPosition.sourceCode)
else // otherwise we'll just fallback to use BooleanMacro
AssertionsMacro.transform(fallback, condition, prettifier, pos, clue)
}
def assert(condition: Expr[Boolean], prettifier: Expr[Prettifier], pos: Expr[source.Position], clue: Expr[Any])(implicit qctx: QuoteContext): Expr[Assertion] = {
macroImpl(
'{ Diagrams.diagrammedAssertionsHelper.macroAssert },
'{ Assertions.assertionsHelper.macroAssert },
condition, clue, prettifier, pos)
}
def assume(condition: Expr[Boolean], prettifier: Expr[Prettifier], pos: Expr[source.Position], clue: Expr[Any])(implicit qctx: QuoteContext): Expr[Assertion] = {
macroImpl(
'{ Diagrams.diagrammedAssertionsHelper.macroAssume },
'{ Assertions.assertionsHelper.macroAssume },
condition, clue, prettifier, pos)
}
}