X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fstyle%2Fproofs.xsl;h=05cf06dd1f51d08d2d0747599be61968c1c4d3d8;hb=faf311442f59ccbc652c7965d23ed2945fd40906;hp=b0d4cba728bea3e99e1a0d6ef171ff4f51c9886a;hpb=37a5400d10d8d110f96b7a60700c381072182fba;p=helm.git

diff --git a/helm/style/proofs.xsl b/helm/style/proofs.xsl
index b0d4cba72..05cf06dd1 100644
--- a/helm/style/proofs.xsl
+++ b/helm/style/proofs.xsl
@@ -55,7 +55,6 @@
    <m:apply helm:xref="{@id}">
     <m:csymbol>proof</m:csymbol>
     <xsl:apply-templates mode="proof_transform" select="."/>
-    <!-- <xsl:apply-templates mode="try_inductive" select="."/> -->
     <xsl:apply-templates mode="pure" select="$InnerTypes/InnerTypes/TYPE[@of=$id]/*"/>
    </m:apply>
   </xsl:when>
@@ -90,6 +89,16 @@
  </xsl:choose>
 </xsl:template>
 
+<!-- si presuppone che il tipo induttivo non sia mutuamente 
+     induttivo. Bisognerebbe andare a vedere l'utlimo parametro
+     del presunto "principio di induzione", tirare fuori il tipo induttivo
+     e vedere se il suo nome coincide con il prefisso di _ind. 
+     Ad esempio nat_double_ind e' definito dall'utente. L'ultimo
+     parametro di nat_double_ind e' di tipo nat, e nat e' diverso
+     da nat_double. Per ora, verifico solo l'esistenza di nat_double,
+     ma questo, benche' non porti ad errore, non copre tutti i
+     casi per quelli mutuamente induttivi -->
+
 <xsl:template mode="try_inductive" match="APPLY">
    <xsl:variable name="id" select="@id"/>
    <xsl:choose>
@@ -97,26 +106,39 @@
      <xsl:variable name="uri" select="CONST[1]/@uri"/>
      <xsl:choose>
       <xsl:when test="contains($uri,'_ind.con')">
-       <xsl:variable name="ind_name">
-        <xsl:call-template name="get_name">
-         <xsl:with-param name="uri" select="$uri"/>
-        </xsl:call-template>
-       </xsl:variable>
        <xsl:variable name="ind_uri" 
          select="concat(substring-before($uri,'_ind.con'),'.ind')"/>
-       <xsl:variable name="no_params">
-        <xsl:call-template name="get_no_params">
-         <xsl:with-param name="first_uri" select="$CICURI"/>
-         <xsl:with-param name="second_uri" select="$uri"/>
-        </xsl:call-template>
-       </xsl:variable>
-       <xsl:apply-templates mode="inductive" select=".">
-        <xsl:with-param name="inductive_def_uri" 
-         select="$ind_uri"/>
-        <xsl:with-param name="section_params" select="$no_params"/>
-        <xsl:with-param name="inductive_def_index" select="1"/>
-        <xsl:with-param name="inductive_def_name" select="$ind_name"/>
-       </xsl:apply-templates>
+       <xsl:variable name="inductive_def" 
+     select="document(concat(string($absPath),$ind_uri))/InductiveDefinition"/>
+       <!-- check if the corresponding inductive definition actually
+            exists -->
+       <xsl:choose>
+        <xsl:when test="$inductive_def">
+         <xsl:variable name="ind_name">
+          <xsl:call-template name="get_name">
+           <xsl:with-param name="uri" select="$uri"/>
+          </xsl:call-template>
+         </xsl:variable>
+         <xsl:variable name="no_params">
+          <xsl:call-template name="get_no_params">
+           <xsl:with-param name="first_uri" select="$CICURI"/>
+           <xsl:with-param name="second_uri" select="$uri"/>
+          </xsl:call-template>
+         </xsl:variable>
+         <xsl:apply-templates mode="inductive" select=".">
+          <xsl:with-param name="inductive_def_uri" 
+           select="$ind_uri"/>
+          <xsl:with-param name="inductive_def" 
+           select="$inductive_def"/>
+          <xsl:with-param name="section_params" select="$no_params"/>
+          <xsl:with-param name="inductive_def_index" select="1"/>
+          <xsl:with-param name="inductive_def_name" select="$ind_name"/>
+         </xsl:apply-templates>
+        </xsl:when>
+        <xsl:otherwise>
+         <xsl:apply-templates mode="letin" select="."/>
+        </xsl:otherwise>
+       </xsl:choose>
       </xsl:when>
       <xsl:otherwise>
        <xsl:apply-templates mode="letin" select="."/>
@@ -131,11 +153,12 @@
 
 
 <xsl:template mode="proof_transform" match="*">
+ <xsl:choose>
+  <xsl:when test="name()='APPLY'">
    <xsl:variable name="id" select="@id"/>
    <xsl:choose>
     <!-- NATIND 3 parametri -->
-    <xsl:when test="name()='APPLY' and CONST[
- attribute::uri='cic:/Coq/Init/Datatypes/nat_ind.con'] and count(child::*) = 4">
+    <xsl:when test="CONST[attribute::uri='cic:/Coq/Init/Datatypes/nat_ind.con']              and count(child::*) = 4">
      <m:apply>
       <m:csymbol>nat_ind</m:csymbol>
       <xsl:apply-templates mode="noannot" select="*[3]"/>
@@ -144,7 +167,7 @@
     </xsl:when>
     <!-- NATIND 4 parametri (nuova versione) -->
     <!-- 
-    <xsl:when test="name()='APPLY' and CONST[
+    <xsl:when test="CONST[
  attribute::uri='cic:/Coq/Init/Datatypes/nat_ind.con'] 
  and count(child::*) = 5
  and name(*[4])='LAMBDA' 
@@ -161,7 +184,7 @@
     </xsl:when> 
     -->
     <!-- EQUALITY -->
-    <xsl:when test="name()= 'APPLY' and CONST[
+    <xsl:when test="CONST[
  attribute::uri='cic:/Coq/Init/Logic/Equality/eq_ind.con' or
  attribute::uri='cic:/Coq/Init/Logic/Logic_lemmas/eq_ind_r.con' or
  attribute::uri='cic:/Coq/Init/Logic_Type/eqT_ind.con' or
@@ -176,7 +199,7 @@
       </m:apply>
     </xsl:when>
     <!-- EQUALITY with extra-parameters -->
-    <xsl:when test="name()= 'APPLY' and CONST[
+    <xsl:when test="CONST[
  attribute::uri='cic:/Coq/Init/Logic/Equality/eq_ind.con' or
  attribute::uri='cic:/Coq/Init/Logic/Logic_lemmas/eq_ind_r.con' or
  attribute::uri='cic:/Coq/Init/Logic_Type/eqT_ind.con' or
@@ -265,7 +288,7 @@
       </xsl:choose>
     </xsl:when>
     <!-- False_ind -->
-    <xsl:when test="name()= 'APPLY' and CONST[
+    <xsl:when test="CONST[
      attribute::uri='cic:/Coq/Init/Logic/False_ind.con'] and 
      count(child::*) = 3">
      <m:apply helm:xref="{@id}">
@@ -276,7 +299,7 @@
     </xsl:when>
     <!-- gestire meglio il caso di and_ind quando la prova 
          non e' della forma \x.\y.M -->
-    <xsl:when test="name()= 'APPLY' and CONST[
+    <xsl:when test="CONST[
  attribute::uri='cic:/Coq/Init/Logic/Conjunction/and_ind.con'] 
  and count(child::*) = 6 
  and name(*[5])='LAMBDA' 
@@ -291,7 +314,7 @@
        <xsl:apply-templates mode="proof_transform" select="*[5]/target/LAMBDA/target/*"/> 
       </m:apply>
     </xsl:when>
-    <xsl:when test="name()= 'APPLY' and CONST[
+    <xsl:when test="CONST[
  attribute::uri='cic:/Coq/Init/Logic/Disjunction/or_ind.con'] 
  and count(child::*) = 7">
       <xsl:choose>
@@ -343,8 +366,7 @@
       </xsl:choose>
     </xsl:when>
     <!-- ex_ind, exT_ind -->
-      <xsl:when test="name()= 'APPLY' 
- and (CONST[attribute::uri='cic:/Coq/Init/Logic_Type/exT_ind.con'] or
+      <xsl:when test="(CONST[attribute::uri='cic:/Coq/Init/Logic_Type/exT_ind.con'] or
       CONST[attribute::uri='cic:/Coq/Init/Logic/First_order_quantifiers/ex_ind.con'])  
  and count(child::*) = 6 
  and name(*[5])='LAMBDA' 
@@ -359,20 +381,60 @@
        <xsl:apply-templates mode="proof_transform" select="*[5]/target/LAMBDA/target/*"/>
       </m:apply>
     </xsl:when>
-    <xsl:when test="(name()='APPLY') and (name(*[1])='CONST')">
+    <xsl:when test="name(*[1])='CONST'">
      <xsl:apply-templates mode="try_inductive" select="."/>
     </xsl:when>
+    <!-- patch temporanea per la gestione di redex -->
+    <xsl:when test="name(*[1])='LAMBDA' and count(child::*)=2
+         and *[2]/@sort='Prop'">
+     <m:apply helm:xref="{@id}">
+      <m:csymbol>letin</m:csymbol>
+      <m:apply>
+       <m:csymbol>let</m:csymbol>
+       <m:ci>
+        <xsl:call-template name="insert_subscript">
+         <xsl:with-param name="node_value">
+          <xsl:value-of select="*[1]/target/@binder"/>
+         </xsl:with-param>
+        </xsl:call-template>
+       </m:ci>
+       <xsl:apply-templates mode="noannot" select="*[2]"/>
+      </m:apply>
+      <xsl:apply-templates mode="proof_transform" select="*[1]/target/*[1]"/>
+     </m:apply>
+    </xsl:when>
     <xsl:otherwise>
-      <xsl:choose>
-       <xsl:when test="name()='APPLY'">
-        <xsl:apply-templates select="." mode="letin"/>
-       </xsl:when>
-       <xsl:otherwise>
-        <xsl:apply-templates select="." mode="pure"/>
-       </xsl:otherwise>
-      </xsl:choose>
+     <xsl:apply-templates select="." mode="letin"/>
     </xsl:otherwise>
    </xsl:choose>
+  </xsl:when>
+  <xsl:when test="name()='LAMBDA'">
+   <xsl:choose>
+     <xsl:when test="(name(target/*[1])='APPLY'  and
+      name(target/*[1]/*[1])='CONST' and
+      (target/*[1]/*[1]/@uri='cic:/Coq/Init/Logic_Type/eqT_ind.con' or
+       target/*[1]/*[1]/@uri='cic:/Coq/Init/Logic_Type/eqT_ind_r.con' or
+       target/*[1]/*[1]/@uri='cic:/Coq/Zarith/auxiliary/eqT_ind_r.con')
+      and count(target/*[1]/*) = 8 
+      and name(target/*[1]/*[8])='REL'
+      and target/@binder = target/*[1]/*[8]/@binder )"> 
+      <m:apply>
+       <m:csymbol>rw_step</m:csymbol>
+       <xsl:apply-templates mode="noannot" select="target/*[1]/*[5]"/>
+       <xsl:apply-templates mode="pure" select="target/*[1]/*[3]"/>
+       <xsl:apply-templates mode="pure" select="target/*[1]/*[6]"/>
+       <xsl:apply-templates mode="proof_transform" select="target/*[1]/*[7]"/>
+      </m:apply>
+     </xsl:when>
+     <xsl:otherwise>
+      <xsl:apply-templates mode="pure" select="."/>
+     </xsl:otherwise>
+    </xsl:choose>
+   </xsl:when>
+  <xsl:otherwise>
+   <xsl:apply-templates select="." mode="pure"/>
+  </xsl:otherwise>
+ </xsl:choose>
 </xsl:template>
 
 
@@ -407,7 +469,17 @@
      </m:apply>
     </xsl:when>
     <xsl:otherwise>
-     <xsl:apply-templates mode="pure" select="."/>
+     <xsl:choose>
+     <xsl:when test="@sort='Prop'">
+      <m:apply>
+       <m:csymbol>app</m:csymbol>
+       <xsl:apply-templates mode="erase" select="*[1]"/>
+      </m:apply>
+     </xsl:when>
+     <xsl:otherwise>
+      <xsl:apply-templates mode="pure" select="."/>
+     </xsl:otherwise>
+     </xsl:choose>
     </xsl:otherwise>
    </xsl:choose>
 </xsl:template>
@@ -424,13 +496,33 @@
       </xsl:for-each>
 </xsl:template>
 
+<xsl:template match="*" mode="erase">
+  <xsl:choose>
+   <xsl:when test="@sort='Prop' or $naturalLanguage='no'">
+    <xsl:apply-templates mode="pure" select="."/>
+   </xsl:when>
+   <xsl:otherwise>
+    <m:ci>.</m:ci>
+   </xsl:otherwise>
+   </xsl:choose>
+ <xsl:apply-templates mode="previous" select="following-sibling::*[1]"/>
+</xsl:template>
+
 <xsl:template match="*" mode="previous">
  <xsl:choose>
   <xsl:when test="$naturalLanguage='yes' and(@sort='Prop' and (name(.)='LAMBDA' or name(.)='LETIN' or name(.)='APPLY' or name(.)='MUTCASE' or name(.)='FIX' or name(.)='COFIX'))">
    <m:ci>previous</m:ci>
   </xsl:when>
   <xsl:otherwise>
-   <xsl:apply-templates select="." mode="pure"/>
+   <xsl:choose>
+   <xsl:when test="@sort='Prop' or $naturalLanguage='no' ">
+    <xsl:apply-templates mode="pure" select="."/>
+   </xsl:when>
+   <xsl:otherwise>
+    <m:ci>.</m:ci>
+   </xsl:otherwise>
+   </xsl:choose>
+   <!-- <xsl:apply-templates select="." mode="pure"/> -->
   </xsl:otherwise>
  </xsl:choose>
  <xsl:apply-templates mode="previous" select="following-sibling::*[1]"/>
@@ -451,7 +543,15 @@
    </xsl:apply-templates>
   </xsl:when>
   <xsl:otherwise>
-   <xsl:apply-templates mode="pure" select="."/>
+   <xsl:choose>
+   <xsl:when test="@sort='Prop' or $naturalLanguage='no'">
+    <xsl:apply-templates mode="pure" select="."/>
+   </xsl:when>
+   <xsl:otherwise>
+    <m:ci>.</m:ci>
+   </xsl:otherwise>
+   </xsl:choose>
+   <!-- <xsl:apply-templates mode="pure" select="."/> -->
    <xsl:apply-templates mode="flat" select="following-sibling::*[1]">
     <xsl:with-param name="n" select="$n"/>
    </xsl:apply-templates>