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xo-parser: prep: semicolon expr separator, prep for infix ops

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This commit is contained in:
Roland Conybeare 2024-08-06 23:09:05 -04:00
commit 37268113fb
6 changed files with 409 additions and 60 deletions
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38
utest/parser.test.cpp
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@ -201,7 +201,43 @@ namespace xo {
cerr << "parser state after [def foo : f64 = 3.14159265]" << endl;
cerr << parser << endl;
REQUIRE(r6.get() != nullptr);
REQUIRE(r6.get() == nullptr);
/* stack should be
*
* expect_toplevel_expression_sequence
*/
CHECK(parser.stack_size() == 4);
if (parser.stack_size() > 0)
CHECK(parser.i_exstype(0) == exprstatetype::expr_progress);
if (parser.stack_size() > 1)
CHECK(parser.i_exstype(1) == exprstatetype::expect_rhs_expression);
if (parser.stack_size() > 2)
CHECK(parser.i_exstype(2) == exprstatetype::def_4);
if (parser.stack_size() > 3)
CHECK(parser.i_exstype(3)
== exprstatetype::expect_toplevel_expression_sequence);
}
/* input:
*
* i_tc==0:
* def foo = 3.14159265 ;
* ^ ^
* 0 1
*
* i_tc==1:
* def foo : f64 = 3.14159265 ;
* ^ ^
* 0 1
*/
{
auto r7 = parser.include_token(token_type::semicolon());
cerr << "parser state after [def foo : f64 = 3.14159265;]" << endl;
cerr << parser << endl;
REQUIRE(r7.get() != nullptr);
CHECK(parser.stack_size() == 1);