523 lines
18 KiB
C++
523 lines
18 KiB
C++
/** @file SchematikaParser.test.cpp
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*
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* @author Roland Conybeare, Jan 2026
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**/
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#include <xo/reader2/SchematikaParser.hpp>
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#include <xo/reader2/DDefineSsm.hpp>
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#include <xo/reader2/DExpectExprSsm.hpp>
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#include <xo/reader2/ssm/ISyntaxStateMachine_DExpectExprSsm.hpp>
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#include <xo/reader2/ssm/ISyntaxStateMachine_DDefineSsm.hpp>
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#include <xo/reader2/init_reader2.hpp>
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#include <xo/alloc2/arena/IAllocator_DArena.hpp>
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#include <catch2/catch.hpp>
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namespace xo {
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using xo::scm::SchematikaParser;
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using xo::scm::ASyntaxStateMachine;
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using xo::scm::syntaxstatetype;
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// using xo::scm::DDefineSsm;
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using xo::scm::DExpectExprSsm;
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// using xo::scm::defexprstatetype;
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//using xo::scm::ParserResult;
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//using xo::scm::parser_result_type;
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using xo::scm::Token;
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using xo::scm::DString;
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using xo::mm::ArenaConfig;
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using xo::mm::AAllocator;
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using xo::mm::DArena;
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using xo::facet::with_facet;
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static InitEvidence s_init = (InitSubsys<S_reader2_tag>::require());
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namespace ut {
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TEST_CASE("SchematikaParser-ctor", "[reader2][SchematikaParser]")
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{
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ArenaConfig config;
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config.name_ = "test-arena";
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config.size_ = 16 * 1024;
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DArena expr_arena = DArena::map(config);
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obj<AAllocator> expr_alloc = with_facet<AAllocator>::mkobj(&expr_arena);
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SchematikaParser parser(config, 4096, expr_alloc, false /*debug_flag*/);
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REQUIRE(parser.debug_flag() == false);
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REQUIRE(parser.is_at_toplevel() == true);
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}
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TEST_CASE("SchematikaParser-begin-interactive", "[reader2][SchematikaParser]")
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{
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ArenaConfig config;
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config.name_ = "test-arena";
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config.size_ = 16 * 1024;
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DArena expr_arena = DArena::map(config);
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obj<AAllocator> expr_alloc = with_facet<AAllocator>::mkobj(&expr_arena);
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SchematikaParser parser(config, 4096, expr_alloc, false /*debug_flag*/);
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parser.begin_interactive_session();
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// after begin_interactive_session, parser has toplevel exprseq
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// but is still "at toplevel" in the sense of ready for input
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REQUIRE(parser.has_incomplete_expr() == false);
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}
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TEST_CASE("SchematikaParser-begin-batch", "[reader2][SchematikaParser]")
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{
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ArenaConfig config;
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config.name_ = "test-arena";
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config.size_ = 16 * 1024;
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DArena expr_arena = DArena::map(config);
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obj<AAllocator> expr_alloc = with_facet<AAllocator>::mkobj(&expr_arena);
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SchematikaParser parser(config, 4096, expr_alloc, false /*debug_flag*/);
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parser.begin_batch_session();
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// after begin_translation_unit, parser has toplevel exprseq
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// but is still "at toplevel" in the sense of ready for input
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REQUIRE(parser.has_incomplete_expr() == false);
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}
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TEST_CASE("SchematikaParser-batch-def", "[reader2][SchematikaParser]")
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{
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constexpr bool c_debug_flag = false;
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scope log(XO_DEBUG(c_debug_flag));
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ArenaConfig config;
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config.name_ = "test-arena";
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config.size_ = 16 * 1024;
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DArena expr_arena = DArena::map(config);
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obj<AAllocator> expr_alloc = with_facet<AAllocator>::mkobj(&expr_arena);
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SchematikaParser parser(config, 4096, expr_alloc, false /*debug_flag*/);
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parser.begin_batch_session();
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/** Walkthrough parsing input equivalent to:
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*
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* def foo : f64 = 3.141593 ;
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*
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**/
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{
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auto & result = parser.on_token(Token::def_token());
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// after begin_interactive_session, parser has toplevel exprseq
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// but is still "at toplevel" in the sense of ready for input
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REQUIRE(parser.has_incomplete_expr() == true);
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REQUIRE(result.is_incomplete());
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log && log("after def token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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}
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{
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auto & result = parser.on_token(Token::symbol_token("foo"));
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REQUIRE(parser.has_incomplete_expr() == true);
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REQUIRE(result.is_incomplete());
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log && log("after lhs symbol token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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}
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{
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auto & result = parser.on_token(Token::colon_token());
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REQUIRE(parser.has_incomplete_expr() == true);
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REQUIRE(result.is_incomplete());
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log && log("after colon token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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}
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{
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auto & result = parser.on_token(Token::symbol_token("f64"));
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REQUIRE(parser.has_incomplete_expr() == true);
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REQUIRE(result.is_incomplete());
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log && log("after typename symbol token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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}
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{
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auto & result = parser.on_token(Token::singleassign_token());
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REQUIRE(parser.has_incomplete_expr() == true);
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REQUIRE(result.is_incomplete());
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log && log("after typename symbol token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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auto exp_ssm
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= obj<ASyntaxStateMachine,DExpectExprSsm>::from(parser.top_ssm());
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REQUIRE(exp_ssm);
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REQUIRE(exp_ssm.data()->ssm_type() == syntaxstatetype::expect_rhs_expression);
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REQUIRE(exp_ssm.data()->allow_defs() == false);
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REQUIRE(exp_ssm.data()->cxl_on_rightbrace() == false);
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}
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{
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// future-proofing for Token only holding a string_view
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const DString * str = DString::from_cstr(expr_alloc, "3.141593");
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auto & result = parser.on_token(Token::f64_token(std::string(*str)));
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REQUIRE(parser.has_incomplete_expr() == true);
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log && log("after f64 token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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}
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{
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auto & result = parser.on_token(Token::semicolon_token());
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log && log("after semicolon token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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REQUIRE(parser.has_incomplete_expr() == false);
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}
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// define-expressions not properly implemented
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//REQUIRE(result.error_description());
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}
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TEST_CASE("SchematikaParser-interactive-lambda", "[reader2][SchematikaParser]")
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{
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constexpr bool c_debug_flag = true;
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scope log(XO_DEBUG(c_debug_flag));
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ArenaConfig config;
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config.name_ = "test-arena";
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config.size_ = 16 * 1024;
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DArena expr_arena = DArena::map(config);
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obj<AAllocator> expr_alloc = with_facet<AAllocator>::mkobj(&expr_arena);
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SchematikaParser parser(config, 4096, expr_alloc, false /*debug_flag*/);
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parser.begin_interactive_session();
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/** Walkthrough parsing input equivalent to:
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*
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* lambda (n : i64,
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*
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**/
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{
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auto & result = parser.on_token(Token::lambda_token());
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log && log("after lambda token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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REQUIRE(parser.has_incomplete_expr() == true);
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REQUIRE(!result.is_error());
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REQUIRE(result.is_incomplete());
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}
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{
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auto & result = parser.on_token(Token::leftparen_token());
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log && log("after lparen token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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REQUIRE(parser.has_incomplete_expr() == true);
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REQUIRE(!result.is_error());
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REQUIRE(result.is_incomplete());
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}
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{
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auto & result = parser.on_token(Token::symbol_token("n"));
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log && log("after symbol(n) token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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REQUIRE(parser.has_incomplete_expr() == true);
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REQUIRE(!result.is_error());
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REQUIRE(result.is_incomplete());
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}
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{
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auto & result = parser.on_token(Token::colon_token());
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log && log("after colon token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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REQUIRE(parser.has_incomplete_expr() == true);
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REQUIRE(!result.is_error());
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REQUIRE(result.is_incomplete());
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}
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{
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auto & result = parser.on_token(Token::symbol_token("i64"));
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log && log("after symbol(i64) token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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REQUIRE(parser.has_incomplete_expr() == true);
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REQUIRE(!result.is_error());
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REQUIRE(result.is_incomplete());
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}
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{
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auto & result = parser.on_token(Token::comma_token());
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log && log("after comma token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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REQUIRE(parser.has_incomplete_expr() == true);
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REQUIRE(!result.is_error());
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REQUIRE(result.is_incomplete());
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}
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{
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auto & result = parser.on_token(Token::symbol_token("r"));
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log && log("after symbol(r) token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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REQUIRE(parser.has_incomplete_expr() == true);
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REQUIRE(!result.is_error());
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REQUIRE(result.is_incomplete());
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}
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{
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auto & result = parser.on_token(Token::colon_token());
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log && log("after colon token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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REQUIRE(parser.has_incomplete_expr() == true);
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REQUIRE(!result.is_error());
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REQUIRE(result.is_incomplete());
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}
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{
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auto & result = parser.on_token(Token::symbol_token("i64"));
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log && log("after symbol(i64) token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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REQUIRE(parser.has_incomplete_expr() == true);
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REQUIRE(!result.is_error());
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REQUIRE(result.is_incomplete());
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}
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{
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auto & result = parser.on_token(Token::rightparen_token());
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log && log("after rightparen token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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REQUIRE(parser.has_incomplete_expr() == true);
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REQUIRE(!result.is_error());
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REQUIRE(result.is_incomplete());
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}
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{
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auto & result = parser.on_token(Token::yields_token());
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log && log("after yields token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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REQUIRE(parser.has_incomplete_expr() == true);
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REQUIRE(!result.is_error());
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REQUIRE(result.is_incomplete());
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}
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{
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auto & result = parser.on_token(Token::symbol_token("i64"));
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log && log("after symbol(i64) token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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REQUIRE(parser.has_incomplete_expr() == true);
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REQUIRE(!result.is_error());
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REQUIRE(result.is_incomplete());
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}
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{
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auto & result = parser.on_token(Token::leftbrace_token());
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log && log("after leftbrace token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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REQUIRE(parser.has_incomplete_expr() == true);
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REQUIRE(!result.is_error());
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REQUIRE(result.is_incomplete());
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}
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#ifdef NOT_YET
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{
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auto & result = parser.on_token(Token::string_token("fooey"));
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log && log("after string token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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REQUIRE(parser.has_incomplete_expr() == true);
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REQUIRE(!result.is_error());
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REQUIRE(result.is_incomplete());
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}
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{
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auto & result = parser.on_token(Token::semicolon_token());
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log && log("after semicolon token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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REQUIRE(parser.has_incomplete_expr() == false);
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REQUIRE(!result.is_error());
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REQUIRE(!result.is_incomplete());
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}
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#endif
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//REQUIRE(result.is_error());
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//// illegal input on token
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//REQUIRE(result.error_description());
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}
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TEST_CASE("SchematikaParser-interactive-if", "[reader2][SchematikaParser]")
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{
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constexpr bool c_debug_flag = true;
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scope log(XO_DEBUG(c_debug_flag));
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ArenaConfig config;
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config.name_ = "test-arena";
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config.size_ = 16 * 1024;
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DArena expr_arena = DArena::map(config);
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obj<AAllocator> expr_alloc = with_facet<AAllocator>::mkobj(&expr_arena);
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SchematikaParser parser(config, 4096, expr_alloc, false /*debug_flag*/);
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parser.begin_interactive_session();
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/** Walkthrough parsing input equivalent to:
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*
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* if true then 777 else "fooey" ;
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*
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**/
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{
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auto & result = parser.on_token(Token::if_token());
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log && log("after if token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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REQUIRE(parser.has_incomplete_expr() == true);
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REQUIRE(!result.is_error());
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REQUIRE(result.is_incomplete());
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}
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{
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auto & result = parser.on_token(Token::bool_token("true"));
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log && log("after true token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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REQUIRE(parser.has_incomplete_expr() == true);
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REQUIRE(!result.is_error());
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REQUIRE(result.is_incomplete());
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}
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{
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auto & result = parser.on_token(Token::then_token());
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log && log("after then token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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REQUIRE(parser.has_incomplete_expr() == true);
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REQUIRE(!result.is_error());
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REQUIRE(result.is_incomplete());
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}
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{
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auto & result = parser.on_token(Token::i64_token("777"));
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log && log("after i64 token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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REQUIRE(parser.has_incomplete_expr() == true);
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REQUIRE(!result.is_error());
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REQUIRE(result.is_incomplete());
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}
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{
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auto & result = parser.on_token(Token::else_token());
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log && log("after else token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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REQUIRE(parser.has_incomplete_expr() == true);
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REQUIRE(!result.is_error());
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REQUIRE(result.is_incomplete());
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}
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{
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auto & result = parser.on_token(Token::string_token("fooey"));
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log && log("after string token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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REQUIRE(parser.has_incomplete_expr() == true);
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REQUIRE(!result.is_error());
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REQUIRE(result.is_incomplete());
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}
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{
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auto & result = parser.on_token(Token::semicolon_token());
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log && log("after semicolon token:");
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log && log(xtag("parser", &parser));
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log && log(xtag("result", result));
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REQUIRE(parser.has_incomplete_expr() == false);
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REQUIRE(!result.is_error());
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REQUIRE(!result.is_incomplete());
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}
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//REQUIRE(result.is_error());
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//// illegal input on token
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//REQUIRE(result.error_description());
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}
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} /*namespace ut*/
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} /*namespace xo*/
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/* end SchematikaParser.test.cpp */
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