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context.cpp
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Thu, Jul 9, 3:48 AM
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rXR Xreate
context.cpp
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/*
* frame-context.cpp
*
* Created on: Dec 3, 2015
* Author: pgess
*/
#include "passmanager.h"
#include "query/context.h"
#include "gtest/gtest.h"
#include <iostream>
using namespace xreate;
TEST(Context, frame_Context1){
PassManager* man = PassManager::prepareForCode(
" import raw (\"core/control-context.lp\")\n"
" testC = function::int {\n"
" context:: testC.\n"
" 0\n"
" }\n"
" testA = function:: int {\n"
" context:: testA; test.\n"
" testC()\n"
" }\n"
" testB = function:: int {\n"
" context:: testB; test.\n"
" testC()\n"
" }\n"
);
ContextQuery* query = (ContextQuery*) man->clasp->registerQuery(new ContextQuery(), QueryId::ContextQuery);
man->runWithoutCompilation();
CodeScope* scopeTestC = man->root->findFunction("testC")->getEntryScope();
const ContextDomain& context = query->getContext(man->clasp->pack(scopeTestC));
int contextSize = context.size();
EXPECT_EQ(2, contextSize);
}
TEST(Context, full_ContextBasedFunctionSpecialization){
PassManager* man = PassManager::prepareForCode(
" case context::toMillimeters {\n"
" convert = function(source:: num)::num {\n"
" 10 * source \n"
" }\n"
" }\n"
" case context::toInches {\n"
" convert = function(source:: num)::num {\n"
" 2 * source \n"
" }\n"
" }\n"
"test = function(vrnt:: int)::int; entry {\n"
" switch(vrnt):: int\n"
" case 0 {\n"
" context:: toMillimeters.\n"
" convert(1)\n"
" }\n"
"\n"
" case 1 {\n"
" context:: toInches.\n"
" convert(1)\n"
" }\n"
" case default {0}\n"
" }" );
int (*main)(int) = (int (*)(int)) man->run();
ASSERT_EQ(10, main(0));
ASSERT_EQ(2, main(1));
}
TEST(Context, full_LoopContext){
PassManager* man = PassManager::prepareForCode("case context:: a {\n"
" print = function:: string {\n"
" \"a\"\n"
" }}\n"
"\n"
" case context:: b {\n"
" print = function:: string {\n"
" \"b\"\n"
" }}\n"
"\n"
" case context:: c {\n"
" print = function:: string {\n"
" \"c\"\n"
" }}\n"
"\n"
" case context:: d {\n"
" print = function:: string {\n"
" \"d\"\n"
" }}\n"
"\n"
" start = function(command::int)::string; entry {\n"
" switch (command) :: string \n"
" case 0 {\n"
" context:: print(a); print(b); print(d).\n"
"\n"
" loop context (\"print\") {\n"
" print()\n"
" }\n"
" }\n"
"\n"
" case default {\n"
" context:: print(c).\n"
" loop context (\"print\") {\n"
" print()\n"
" }\n"
" }\n"
" }");
char* (*main)(int) =(char* (*)(int)) man->run();
ASSERT_STREQ("c", main(1));
ASSERT_STREQ("a", main(0));
}
TEST(Context, full_RuleContext){
/*
"rule context:: childs(Child)\n"
" case artefact(Item)\n"
" {\n"
" artefact_depends(Item, Child)\n"
" }";
*/
PassManager* man = PassManager::prepareForCode(
" case context:: toMilli {\n"
" convert = function(length::int)::int{\n"
" 10 * length\n"
" }\n"
" }\n"
"\n"
" case context:: toCenti {\n"
" convert = function(length::int)::int{\n"
" length\n"
" }\n"
" }\n"
"\n"
" main=function::int; entry {\n"
" context:: output(milli).\n"
"\n"
" rule context::toMilli\n"
" case output(milli) {true}\n"
"\n"
" convert(1)\n"
" }" );
man->clasp->addRawScript("true.");
int (*entry)() = (int (*)()) man->run();
ASSERT_EQ(10, entry());
}
TEST(Context, full_InheritedRuleContext){
PassManager* man = PassManager::prepareForCode(
" import raw (\"core/control-context.lp\") \n"
" case context:: toMilli {\n"
" convert = function(length::int)::int{\n"
" 10 * length\n"
" }\n"
" }\n"
" case context:: toCenti {\n"
" convert = function(length::int)::int{\n"
" length\n"
" }\n"
" }\n"
"\n"
"main = function(comm:: num)::num; entry{\n"
" rule context::X case output(X) {true}\n"
"\n"
" switch (comm)::num \n"
" case 0 {\n"
" context:: output(toMilli).\n"
" convert(1)\n"
" }\n"
" case default {\n"
" context:: output(toCenti).\n"
" convert(1)\n"
" }\n"
" }");
man->clasp->addRawScript("true.");
int (*entry)(int) = (int (*)(int)) man->run();
ASSERT_EQ(10, entry(0));
ASSERT_EQ(1, entry(1));
}
TEST(Context, full_LateContext){
PassManager* man = PassManager::prepareForCode(
"import raw (\"core/control-context.lp\")\n"
" convert = function(length:: num)::num{\n"
" 0\n"
" }\n"
"case context:: milli {\n"
" convert = function(length:: num)::num{\n"
" 1000 * length\n"
" }\n"
"}\n"
"\n"
"case context:: centi {\n"
" convert = function(length:: num)::num{\n"
" 100 * length\n"
" }\n"
"}\n"
"\n"
"calculate = function(length:: num)::num {\n"
" convert(length)\n"
"}\n"
"\n"
"main = function(com:: num):: num; entry {\n"
" switch (com):: num \n"
" case 0 {\n"
" context:: milli.\n"
" calculate(1)\n"
" }\n"
"\n"
" case default{\n"
" context:: centi. \n"
" calculate(1)\n"
" }\n"
"}");
man->runWithoutCompilation();
ContextQuery* queryContext = reinterpret_cast<ContextQuery*>(man->clasp->getQuery(QueryId::ContextQuery));
Expression exprSwitch = man->root->findFunction("main")->__entry->__body;
CodeScope* blockDefault = man->root->findFunction("main")->__entry->__body.operands[1].blocks.front();
ScopePacked blockDefaultId = man->clasp->pack(blockDefault);
const ContextDomain& domDefault = queryContext->getContext(blockDefaultId);
ASSERT_EQ(1, domDefault.count(Expression(Atom<Identifier_t>("centi"))));
std::list<ManagedFnPtr> variants = man->root->getFunctionVariants("convert");
for (ManagedFnPtr f: variants){
const Expression guard = f->guardContext;
bool result = (guard.getValueString() == "centi" || guard.getValueString() == "milli" || !guard.isValid());
ASSERT_TRUE(result);
}
const FunctionContextDemand& demMain = queryContext->getFunctionDemand("main");
ASSERT_EQ(0, demMain.size());
const FunctionContextDemand& demCalculate = queryContext->getFunctionDemand("calculate");
ASSERT_EQ(1, demCalculate.size());
ASSERT_EQ(1, demCalculate.right.count("convert"));
int (*entry)(int) = (int (*)(int)) man->run();
ASSERT_EQ(1000, entry(0));
ASSERT_EQ(100, entry(1));
}
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