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xo-reader2 stack: streamlining + arith parser test

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This commit is contained in:
Roland Conybeare 2026-02-03 14:27:42 -05:00
commit bdc7b33c8f
5 changed files with 157 additions and 17 deletions
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108
xo-reader2/utest/SchematikaParser.test.cpp
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@ -10,7 +10,9 @@
#include <xo/reader2/ssm/ISyntaxStateMachine_DDefineSsm.hpp>
#include <xo/reader2/init_reader2.hpp>
#include <xo/expression2/DefineExpr.hpp>
#include <xo/expression2/ApplyExpr.hpp>
#include <xo/expression2/Constant.hpp>
#include <xo/procedure2/Primitive_gco_2_gco_gco.hpp>
#include <xo/object2/Float.hpp>
#include <xo/object2/Integer.hpp>
#include <xo/object2/String.hpp>
@ -26,11 +28,13 @@ namespace xo {
using xo::scm::AExpression;
using xo::scm::DDefineExpr;
using xo::scm::DApplyExpr;
using xo::scm::DConstant;
//using xo::scm::ParserResult;
using xo::scm::Token;
using xo::mm::AGCObject;
using xo::scm::DPrimitive_gco_2_gco_gco;
using xo::scm::DString;
using xo::scm::DFloat;
using xo::scm::DInteger;
@ -407,6 +411,110 @@ namespace xo {
//REQUIRE(result.error_description());
}
TEST_CASE("SchematikaParser-interactive-arith", "[reader2][SchematikaParser]")
{
const auto & testname = Catch::getResultCapture().getCurrentTestName();
constexpr bool c_debug_flag = true;
scope log(XO_DEBUG(c_debug_flag), xtag("test", testname));
ArenaConfig config;
config.name_ = "test-arena";
config.size_ = 16 * 1024;
DArena expr_arena = DArena::map(config);
obj<AAllocator> expr_alloc = with_facet<AAllocator>::mkobj(&expr_arena);
SchematikaParser parser(config, 4096, expr_alloc, false /*debug_flag*/);
parser.begin_interactive_session();
/** Walkthrough parsing input equivalent to:
*
* 3.14159265 * 0.5 ;
*
**/
{
auto & result = parser.on_token(Token::f64_token("3.14159265"));
log && log("after float(3.14159265) token:");
log && log(xtag("parser", &parser));
log && log(xtag("result", result));
REQUIRE(parser.has_incomplete_expr() == true);
REQUIRE(!result.is_error());
REQUIRE(result.is_incomplete());
}
{
auto & result = parser.on_token(Token::star_token());
log && log("after star token:");
log && log(xtag("parser", &parser));
log && log(xtag("result", result));
REQUIRE(parser.has_incomplete_expr() == true);
REQUIRE(!result.is_error());
REQUIRE(result.is_incomplete());
}
{
auto & result = parser.on_token(Token::f64_token("0.5"));
log && log("after float(0.5) token:");
log && log(xtag("parser", &parser));
log && log(xtag("result", result));
REQUIRE(parser.has_incomplete_expr() == true);
REQUIRE(!result.is_error());
REQUIRE(result.is_incomplete());
}
{
auto & result = parser.on_token(Token::semicolon_token());
log && log("after semicolon token:");
log && log(xtag("parser", &parser));
log && log(xtag("result", result));
REQUIRE(parser.has_incomplete_expr() == false);
REQUIRE(!result.is_error());
REQUIRE(result.is_expression());
REQUIRE(result.result_expr());
auto expr = obj<AExpression,DApplyExpr>::from(result.result_expr());
REQUIRE(expr);
REQUIRE(expr->n_args() == 2);
auto fn = obj<AExpression,DConstant>::from(expr->fn());
REQUIRE(fn);
auto pm = obj<AGCObject,DPrimitive_gco_2_gco_gco>::from(fn->value());
REQUIRE(pm);
REQUIRE(pm->name() == "_mul");
auto lhs = obj<AExpression,DConstant>::from(expr->arg(0));
REQUIRE(lhs);
auto lhs_f64 = obj<AGCObject,DFloat>::from(lhs->value());
REQUIRE(lhs_f64);
REQUIRE(lhs_f64->value() == 3.14159265);
auto rhs = obj<AExpression,DConstant>::from(expr->arg(1));
REQUIRE(rhs);
auto rhs_f64 = obj<AGCObject,DFloat>::from(rhs->value());
REQUIRE(rhs_f64);
REQUIRE(rhs_f64->value() == 0.5);
}
//REQUIRE(result.is_error());
//// illegal input on token
//REQUIRE(result.error_description());
}
TEST_CASE("SchematikaParser-interactive-lambda", "[reader2][SchematikaParser]")
{
constexpr bool c_debug_flag = true;