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xo-reader2: support if-then-else expressions. + detailed utest

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This commit is contained in:
Roland Conybeare 2026-01-27 15:50:10 -05:00
commit c052c5c509
23 changed files with 1354 additions and 150 deletions
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108
xo-reader2/utest/SchematikaParser.test.cpp
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@ -84,7 +84,7 @@ namespace xo {
TEST_CASE("SchematikaParser-batch-def", "[reader2][SchematikaParser]")
{
constexpr bool c_debug_flag = true;
constexpr bool c_debug_flag = false;
scope log(XO_DEBUG(c_debug_flag));
ArenaConfig config;
@ -98,6 +98,12 @@ namespace xo {
parser.begin_batch_session();
/** Walkthrough parsing input equivalent to:
*
* def foo : f64 = 3.141593 ;
*
**/
{
auto & result = parser.on_token(Token::def_token());
@ -193,6 +199,9 @@ namespace xo {
TEST_CASE("SchematikaParser-interactive-if", "[reader2][SchematikaParser]")
{
constexpr bool c_debug_flag = true;
scope log(XO_DEBUG(c_debug_flag));
ArenaConfig config;
config.name_ = "test-arena";
config.size_ = 16 * 1024;
@ -204,16 +213,99 @@ namespace xo {
parser.begin_interactive_session();
auto & result = parser.on_token(Token::if_token());
/** Walkthrough parsing input equivalent to:
*
* if true then 777 else "fooey" ;
*
**/
// after begin_interactive_session, parser has toplevel exprseq
// but is still "at toplevel" in the sense of ready for input
REQUIRE(parser.has_incomplete_expr() == false);
{
auto & result = parser.on_token(Token::if_token());
REQUIRE(result.is_error());
log && log("after if token:");
log && log(xtag("parser", &parser));
log && log(xtag("result", result));
// illegal input on token
REQUIRE(result.error_description());
REQUIRE(parser.has_incomplete_expr() == true);
REQUIRE(!result.is_error());
REQUIRE(result.is_incomplete());
}
{
auto & result = parser.on_token(Token::bool_token("true"));
log && log("after true 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::then_token());
log && log("after then 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::i64_token("777"));
log && log("after i64 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::else_token());
log && log("after else 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::string_token("fooey"));
log && log("after string 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_incomplete());
}
//REQUIRE(result.is_error());
//// illegal input on token
//REQUIRE(result.error_description());
}
} /*namespace ut*/