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Added Class::Word, Class::SpaceHoriz, acceptToken and getTail to Scanner. Added LiteralParser. Added stableSort and insertionSort. (#432)

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This commit is contained in:
Branimir Karadžić
2026-09-27 18:32:54 -07:00
committed by GitHub
parent 3d6e53107b
commit 58d36bd042
15 changed files with 1329 additions and 2 deletions
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109
tests/scanner_test.cpp
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@@ -390,3 +390,112 @@ TEST_CASE("LineReader", "[scanner][string]")
REQUIRE(second.getPtr() == input.getPtr() + 4);
}
}
TEST_CASE("Scanner.class Word", "[scanner]")
{
{
bx::Scanner sc("2d, f32");
REQUIRE("2d" == sc.accept(bx::Scanner::Class::Word) );
REQUIRE("," == sc.accept(',') );
}
{
bx::Scanner sc("2d");
REQUIRE(sc.accept(bx::Scanner::Class::Identifier).isEmpty() );
REQUIRE("2d" == sc.accept(bx::Scanner::Class::Word) );
}
{
bx::Scanner sc("_leading and9digits");
REQUIRE("_leading" == sc.accept(bx::Scanner::Class::Word) );
REQUIRE(" " == sc.accept(bx::Scanner::Class::SpaceHoriz) );
REQUIRE("and9digits" == sc.accept(bx::Scanner::Class::Word) );
REQUIRE(sc.isDone() );
}
}
TEST_CASE("Scanner.class SpaceHoriz", "[scanner]")
{
{
bx::Scanner horiz(" \t\nx");
REQUIRE(" \t" == horiz.accept(bx::Scanner::Class::SpaceHoriz) );
REQUIRE("\n" == horiz.accept('\n') );
bx::Scanner space(" \t\nx");
REQUIRE(" \t\n" == space.accept(bx::Scanner::Class::Space) );
}
{
bx::Scanner sc("x");
REQUIRE(sc.accept(bx::Scanner::Class::SpaceHoriz).isEmpty() );
REQUIRE("x" == sc.accept('x') );
}
{
bx::Scanner sc("a \r\nb");
REQUIRE("a" == sc.accept(bx::Scanner::Class::Word) );
REQUIRE(" \r" == sc.accept(bx::Scanner::Class::SpaceHoriz) );
REQUIRE("\n" == sc.accept('\n') );
REQUIRE("b" == sc.accept(bx::Scanner::Class::Word) );
}
}
TEST_CASE("Scanner.acceptToken", "[scanner]")
{
{
bx::Scanner bare("ifx");
REQUIRE("if" == bare.accept(bx::StringView("if") ) );
bx::Scanner token("ifx");
REQUIRE(token.acceptToken(bx::StringView("if") ).isEmpty() );
REQUIRE("ifx" == token.accept(bx::Scanner::Class::Word) );
}
{
bx::Scanner sc("if (x)");
REQUIRE("if" == sc.acceptToken(bx::StringView("if") ) );
REQUIRE(" " == sc.accept(bx::Scanner::Class::SpaceHoriz) );
REQUIRE("(" == sc.acceptToken(bx::StringView("(") ) );
}
{
bx::Scanner sc("->x");
REQUIRE("->" == sc.acceptToken(bx::StringView("->") ) );
REQUIRE("x" == sc.accept(bx::Scanner::Class::Word) );
}
{
bx::Scanner sc("if");
REQUIRE("if" == sc.acceptToken(bx::StringView("if") ) );
REQUIRE(sc.isDone() );
}
}
TEST_CASE("Scanner.getTail", "[scanner]")
{
const bx::StringView input("abc def");
bx::Scanner sc(input);
REQUIRE(input == sc.getTail() );
sc.accept(bx::Scanner::Class::Word);
REQUIRE(" def" == sc.getTail() );
REQUIRE(sc.getTail().getPtr() == input.getPtr() + 3);
REQUIRE(sc.getTail().getTerm() == input.getTerm() );
sc.acceptAll();
REQUIRE(sc.getTail().isEmpty() );
}