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Lobster: added builder API for tables

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This commit is contained in:
aardappel
2019-05-22 19:42:13 -07:00
parent 53ea1ab1bd
commit 43dbac5d25
9 changed files with 431 additions and 276 deletions
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25
src/idl_gen_lobster.cpp
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@@ -180,22 +180,28 @@ class LobsterGenerator : public BaseGenerator {
void GenTableBuilders(const StructDef &struct_def,
std::string *code_ptr) {
std::string &code = *code_ptr;
code += "def " + NormalizedName(struct_def) +
"Start(b_:flatbuffers_builder):\n b_.StartObject(" +
NumToString(struct_def.fields.vec.size()) + ")\n";
code += "struct " + NormalizedName(struct_def) +
"Builder:\n b_:flatbuffers_builder\n";
code += " def start():\n b_.StartObject(" +
NumToString(struct_def.fields.vec.size()) + ")\n return this\n";
for (auto it = struct_def.fields.vec.begin();
it != struct_def.fields.vec.end(); ++it) {
it != struct_def.fields.vec.end(); ++it) {
auto &field = **it;
if (field.deprecated) continue;
auto offset = it - struct_def.fields.vec.begin();
code += "def " + NormalizedName(struct_def) + "Add" +
MakeCamel(NormalizedName(field)) + "(b_:flatbuffers_builder, " +
code += " def add_" + NormalizedName(field) + "(" +
NormalizedName(field) + ":" + LobsterType(field.value.type) +
"):\n b_.Prepend" + GenMethod(field.value.type) + "Slot(" +
"):\n b_.Prepend" + GenMethod(field.value.type) + "Slot(" +
NumToString(offset) + ", " + NormalizedName(field);
if (IsScalar(field.value.type.base_type))
code += ", " + field.value.constant;
code += ")\n";
code += ")\n return this\n";
}
code += " def end():\n return b_.EndObject()\n\n";
for (auto it = struct_def.fields.vec.begin();
it != struct_def.fields.vec.end(); ++it) {
auto &field = **it;
if (field.deprecated) continue;
if (field.value.type.base_type == BASE_TYPE_VECTOR) {
code += "def " + NormalizedName(struct_def) + "Start" +
MakeCamel(NormalizedName(field)) +
@@ -217,10 +223,9 @@ class LobsterGenerator : public BaseGenerator {
GenMethod(vector_type) +
"(e_)\n return b_.EndVector(v_.length)\n";
}
code += "\n";
}
}
code += "def " + NormalizedName(struct_def) +
"End(b_:flatbuffers_builder):\n return b_.EndObject()\n\n";
}
void GenStructPreDecl(const StructDef &struct_def, std::string *code_ptr) {