chat: fix an "oldie but goodie" grammar generator bug that surfaced during last changes (#24653)

* chat: fix an "oldie but goodie" grammar generator bug that surfaced during last changes

* update erroneous case in PEG parser test
This commit is contained in:
Piotr Wilkin (ilintar)
2026-06-15 15:27:47 +02:00
committed by GitHub
parent e3cab403bf
commit 0ae3f450f0
3 changed files with 78 additions and 3 deletions
+1 -1
View File
@@ -129,7 +129,7 @@ void test_gbnf_generation(testing &t) {
});
assert_gbnf_equal(t, R"""(
root ::= ([^<] | "<" [^/] | "</" [^t] | "</t" [^a] | "</ta" [^g] | "</tag" [^>])*
root ::= ([^<] | "<" [^/] | "</" [^t] | "</t" [^a] | "</ta" [^g] | "</tag" [^>])* ("<" | "</" | "</t" | "</ta" | "</tag")?
space ::= | " " | "\n"{1,2} [ \t]{0,20}
)""", gbnf);
});
+55
View File
@@ -2024,6 +2024,61 @@ static void test_template_output_peg_parsers(bool detailed_debug) {
})
.run();
tst.test(
"<tool_call>\n"
"<function=edit>\n"
"<parameter=filename>\n"
"foo.c\n"
"</parameter>\n"
"<parameter=oldString>\n"
"#iclunde\n"
"</parameter>\n"
"<parameter=newString>\n"
"#include\n"
"</parameter>\n"
"</function>\n"
"</tool_call>")
.enable_thinking(false)
.reasoning_format(COMMON_REASONING_FORMAT_AUTO)
.tools({
edit_tool
})
.expect_tool_calls({
{ "edit", "{\"filename\": \"foo.c\", \"oldString\": \"#iclunde\", \"newString\": \"#include\"}", {} },
})
.run();
// a parameter value that itself ends in a newline (e.g. a source file with a
// trailing newline). The structural delimiter is "\n</parameter>\n", so the value
// "#include\n" renders as "...#include\n\n</parameter>\n". The trailing newline must
// be preserved faithfully (no stripping), and the generated grammar must admit a
// value ending on a delimiter prefix. Regression test for gbnf_excluding_pattern.
tst.test(
"<tool_call>\n"
"<function=edit>\n"
"<parameter=filename>\n"
"foo.c\n"
"</parameter>\n"
"<parameter=oldString>\n"
"#iclunde\n"
"</parameter>\n"
"<parameter=newString>\n"
"#include\n"
"\n"
"</parameter>\n"
"</function>\n"
"</tool_call>")
.enable_thinking(false)
.reasoning_format(COMMON_REASONING_FORMAT_AUTO)
.tools({
edit_tool
})
.expect_tool_calls({
{ "edit", "{\"filename\": \"foo.c\", \"oldString\": \"#iclunde\", \"newString\": \"#include\\n\"}", {} },
})
.run();
// test code that starts with indent
tst.test(
"<tool_call>\n"