feat(objectionary#2437): allow using data object directly

eo-maven-plugin/src/main/resources/org/eolang/maven/pre/to-java.xsl

@@ -397,11 +397,11 @@ SOFTWARE.
     <xsl:value-of select="$name"/>
     <xsl:text> = </xsl:text>
     <xsl:choose>
-      <xsl:when test="@primitive and @base">
-        <xsl:text>new </xsl:text>
-        <xsl:value-of select="eo:class-name(@base, eo:suffix(@line, @pos))"/>
-        <xsl:text>(Phi.Φ)</xsl:text>
-      </xsl:when>
+<!--      <xsl:when test="@primitive and @base">-->
+<!--        <xsl:text>new </xsl:text>-->
+<!--        <xsl:value-of select="eo:class-name(@base, eo:suffix(@line, @pos))"/>-->
+<!--        <xsl:text>(Phi.Φ)</xsl:text>-->
+<!--      </xsl:when>-->
       <xsl:when test="@base='$'">
         <xsl:text>rho</xsl:text>
       </xsl:when>

eo-maven-plugin/src/test/resources/org/eolang/maven/packs/pre/locators-to-java.yaml

@@ -2,6 +2,7 @@ xsls:
   - /org/eolang/parser/add-default-package.xsl
   - /org/eolang/parser/wrap-method-calls.xsl
   - /org/eolang/parser/set-locators.xsl
+  - /org/eolang/parser/explicit-data.xsl
   - /org/eolang/maven/pre/classes.xsl
   - /org/eolang/maven/pre/attrs.xsl
   - /org/eolang/maven/pre/data.xsl
@@ -15,11 +16,13 @@ tests:
   - //java[contains(text(), 'new PhLocated(ret_base, 7, 2, "Φ.bar.φ.ρ")')]
   - //java[contains(text(), 'new PhLocated(ret, 7, 4, "Φ.bar.φ")')]
   - //java[contains(text(), 'new PhLocated(ret_1, 7, 10, "Φ.bar.φ.α0")')]
+  - //java[contains(text(), 'new PhLocated(ret, 8, 2, "Φ.bar.five")')]
 eo: |
   [] > foo
     42 > @
     [y] > other
       43.plus y > @
 
   [] > bar
-    42.plus 43 > @
+    42.plus 43 > @
+    int 5 > five

eo-maven-plugin/src/test/resources/org/eolang/maven/packs/pre/tuple-to-java.yaml

@@ -6,7 +6,7 @@ xsls:
   - /org/eolang/maven/pre/to-java.xsl
 tests:
   - /program/errors[count(*)=0]
-  - //java[contains(text(), 'Phi ret_a2_a1 = new EOorg.EOeolang.EOint(')]
+  - //java[contains(text(), 'Phi ret_a2_a1 = Phi.Φ.attr("org").get().attr("eolang").get().attr("int").get()')]
   - //java[contains(text(), 'Phi[] ret_2_a = new Phi[0]')]
   - //java[contains(text(), 'new String(new byte[]')]
 eo: |

eo-parser/src/main/java/org/eolang/parser/ParsingTrain.java

@@ -91,9 +91,9 @@ public final class ParsingTrain extends TrEnvelope {
         "/org/eolang/parser/warnings/correct-package-meta.xsl",
         "/org/eolang/parser/warnings/prohibited-package.xsl",
         "/org/eolang/parser/errors/unused-aliases.xsl",
-        "/org/eolang/parser/errors/data-objects.xsl",
         "/org/eolang/parser/warnings/unit-test-without-phi.xsl",
         "/org/eolang/parser/set-locators.xsl",
+        "/org/eolang/parser/explicit-data.xsl"
     };
 
     /**

eo-parser/src/main/resources/org/eolang/parser/explicit-data.xsl

@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+The MIT License (MIT)
+
+Copyright (c) 2016-2023 Objectionary.com
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+-->
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" id="sparse-decoration" version="2.0">
+  <!--
+  Here we transform just data into application
+  - 5 -> org.eolang.int 5
+  - "Hello world" -> org.eolang.string "Hello world"
+  - org.eolang.float 42.1 -> org.eolang.float 42.1
+  -->
+  <xsl:import href="/org/eolang/parser/_datas.xsl"/>
+  <xsl:output encoding="UTF-8" method="xml"/>
+  <xsl:template match="//o[o[@data and @base=../@base]]">
+    <xsl:variable name="base" select="@base"/>
+    <xsl:if test="$literal-objects[text()=$base]">
+      <o>
+        <xsl:for-each select="@*">
+          <xsl:attribute name="{name()}">
+            <xsl:value-of select="."/>
+          </xsl:attribute>
+        </xsl:for-each>
+        <xsl:attribute name="data">
+          <xsl:value-of select="o/@data"/>
+        </xsl:attribute>
+        <xsl:value-of select="o"/>
+      </o>
+    </xsl:if>
+  </xsl:template>
+  <xsl:template match="node()|@*">
+    <xsl:copy>
+      <xsl:apply-templates select="node()|@*"/>
+    </xsl:copy>
+  </xsl:template>
+</xsl:stylesheet>

eo-parser/src/test/resources/org/eolang/parser/packs/explicit-data.yaml

@@ -0,0 +1,10 @@
+xsls:
+  - /org/eolang/parser/add-default-package.xsl
+  - /org/eolang/parser/explicit-data.xsl
+tests:
+  - /program/errors[count(*)=0]
+  - //o[@base='org.eolang.int' and @name='first' and @line='1' and @pos='0' and @data]
+  - //o[@base='org.eolang.float' and @name='second' and @line='2' and @pos='0' and @data and count(o)=0]
+eo: |
+  42 > first
+  float 22.2 > second