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Allow parser user code blocks in tree mode

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josh committed 2026-07-07 17:54:01 -04:00
1 parent b04c0ad205
commit 98390429a8
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spec/propane_spec.rb
+72
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@@ -745,6 +745,78 @@ EOF
])
end
it "executes user code associated with a parser rule in tree mode" do
case language
when "c", "cpp"
write_grammar <<EOF
tree;
context_user_fields <<
int start_n_fields;
int start_a_value;
int a_value;
int b_value;
p_token_t b_token;
int c_is_null;
int c_field_is_null;
int alias_a_value;
int alias_b_value;
>>
ptype int;
token a << $$ = 11; >>
token b << $$ = 22; >>
Start -> A:ay B:bee C <<
${context.start_n_fields} = $$->n_fields;
${context.start_a_value} = $$->pA->pToken1->pvalue;
${context.a_value} = $1->pToken1->pvalue;
${context.b_value} = $2->pToken1->pvalue;
${context.b_token} = $2->pToken1->token;
${context.c_field_is_null} = ($$->pC == NULL) ? 1 : 0;
${context.alias_a_value} = ${ay}->pToken1->pvalue;
${context.alias_b_value} = ${bee}->pToken1->pvalue;
>>
A -> a;
B -> b;
C -> << ${context.c_is_null} = ($$ == NULL) ? 1 : 0; >>
EOF
when "d"
write_grammar <<EOF
tree;
context_user_fields <<
int start_n_fields;
int start_a_value;
int a_value;
int b_value;
p_token_t b_token;
int c_is_null;
int c_field_is_null;
int alias_a_value;
int alias_b_value;
>>
ptype int;
token a << $$ = 11; >>
token b << $$ = 22; >>
Start -> A:ay B:bee C <<
${context.start_n_fields} = $$.n_fields;
${context.start_a_value} = $$.pA.pToken1.pvalue;
${context.a_value} = $1.pToken1.pvalue;
${context.b_value} = $2.pToken1.pvalue;
${context.b_token} = $2.pToken1.token;
${context.c_field_is_null} = ($$.pC is null) ? 1 : 0;
${context.alias_a_value} = ${ay}.pToken1.pvalue;
${context.alias_b_value} = ${bee}.pToken1.pvalue;
>>
A -> a;
B -> b;
C -> << ${context.c_is_null} = ($$ is null) ? 1 : 0; >>
EOF
end
run_propane(language: language)
compile("spec/test_parser_user_code_tree.#{language}", language: language)
results = run_test(language: language)
expect(results.stderr).to eq ""
expect(results.status).to eq 0
end
it "parses lists" do
write_grammar <<EOF
ptype #{language == "d" ? "uint" : "uint32_t"};