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Step 406: add F# generator and pipeline generate routing

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This commit is contained in:
Bill
2026-02-16 15:26:23 -07:00
parent a7597a649c
commit 9aab804687
6 changed files with 617 additions and 0 deletions
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3
editor/src/Pipeline.h
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@@ -176,6 +176,9 @@ public:
} else if (language == "csharp") {
CSharpGenerator gen;
return gen.generate(ast);
} else if (language == "fsharp" || language == "f#" || language == "fs") {
FSharpGenerator gen;
return gen.generate(ast);
} else if (language == "c") {
CGenerator gen;
return gen.generate(ast);

348
editor/src/ast/FSharpGenerator.h Normal file
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@@ -0,0 +1,348 @@
#pragma once
#include "ProjectionGenerator.h"
#include "ClassDeclaration.h"
#include "AsyncNodes.h"
#include "EnumNamespaceNodes.h"
#include "../SemannoAnnotationImpl.h"
class FSharpGenerator : public ProjectionGenerator, public SemannoAnnotationImpl<FSharpGenerator> {
public:
std::string commentPrefix() const { return "// "; }
std::string generate(const ASTNode* node) override {
return dispatchGenerate(this, node, "// Unknown concept: ");
}
std::string visitModule(const Module* module) override {
std::ostringstream oss;
oss << "// Module: " << module->name << "\n\n";
for (const auto* stmt : module->getChildren("statements")) {
oss << generate(stmt) << "\n";
}
if (!module->getChildren("statements").empty()) oss << "\n";
for (const auto* var : module->getChildren("variables")) {
oss << generate(var) << "\n";
}
if (!module->getChildren("variables").empty()) oss << "\n";
for (const auto* fn : module->getChildren("functions")) {
oss << generate(fn) << "\n";
}
return oss.str();
}
std::string visitFunction(const Function* function) override {
std::ostringstream oss;
for (const auto* anno : function->getChildren("annotations")) {
oss << generate(anno) << "\n";
}
oss << "let " << function->name;
auto params = function->getChildren("parameters");
for (const auto* p : params) {
oss << " " << static_cast<const Parameter*>(p)->name;
}
oss << " =";
auto body = function->getChildren("body");
if (body.empty()) {
oss << " ()";
return oss.str();
}
if (body.size() == 1) {
oss << " " << generate(body[0]);
return oss.str();
}
oss << "\n";
for (const auto* stmt : body) {
oss << " " << generate(stmt) << "\n";
}
return trimTrailingNewline(oss.str());
}
std::string visitAsyncFunction(const ASTNode* node) override {
auto* fn = static_cast<const AsyncFunction*>(node);
std::ostringstream oss;
for (const auto* anno : fn->getChildren("annotations")) {
oss << generate(anno) << "\n";
}
oss << "let " << fn->name;
auto params = fn->getChildren("parameters");
for (const auto* p : params) {
oss << " " << static_cast<const Parameter*>(p)->name;
}
oss << " = async {\n";
auto body = fn->getChildren("body");
for (const auto* stmt : body) {
oss << " " << generate(stmt) << "\n";
}
oss << "}";
return oss.str();
}
std::string visitVariable(const Variable* variable) override {
bool isMutable = false;
for (const auto* anno : variable->getChildren("annotations")) {
if (anno->conceptType == "MutAnnotation") {
isMutable = true;
break;
}
}
std::ostringstream oss;
oss << "let ";
if (isMutable) oss << "mutable ";
oss << variable->name;
auto init = variable->getChild("initializer");
if (init) oss << " = " << generate(init);
return oss.str();
}
std::string visitParameter(const Parameter* parameter) override {
return parameter->name;
}
std::string visitReturn(const Return* r) override {
auto value = r->getChild("value");
return value ? generate(value) : "()";
}
std::string visitAssignment(const Assignment* a) override {
auto target = a->getChild("target");
auto value = a->getChild("value");
return (target ? generate(target) : "_") + " <- " + (value ? generate(value) : "()");
}
std::string visitIfStatement(const IfStatement* s) override {
std::ostringstream oss;
auto cond = s->getChild("condition");
oss << "if " << (cond ? generate(cond) : "true") << " then";
auto thenBranch = s->getChildren("thenBranch");
auto elseBranch = s->getChildren("elseBranch");
if (!thenBranch.empty()) oss << " " << generate(thenBranch.front());
else oss << " ()";
if (!elseBranch.empty()) oss << " else " << generate(elseBranch.front());
return oss.str();
}
std::string visitExpressionStatement(const ExpressionStatement* s) override {
auto expr = s->getChild("expression");
return expr ? generate(expr) : "()";
}
std::string visitBinaryOperation(const BinaryOperation* b) override {
auto left = b->getChild("left");
auto right = b->getChild("right");
return (left ? generate(left) : "") + " " + b->op + " " + (right ? generate(right) : "");
}
std::string visitUnaryOperation(const UnaryOperation* u) override {
auto operand = u->getChild("operand");
return u->op + (operand ? generate(operand) : "");
}
std::string visitFunctionCall(const FunctionCall* c) override {
// Parser uses this marker for F# pipe chains.
if (c->functionName == "pipeline") return "|> pipeline";
std::ostringstream oss;
oss << c->functionName;
auto args = c->getChildren("arguments");
for (const auto* arg : args) oss << " " << generate(arg);
return oss.str();
}
std::string visitWhileLoop(const WhileLoop* l) override {
std::ostringstream oss;
auto cond = l->getChild("condition");
oss << "while " << (cond ? generate(cond) : "true") << " do";
auto body = l->getChildren("body");
if (body.empty()) return oss.str() + " ()";
oss << "\n";
for (const auto* s : body) oss << " " << generate(s) << "\n";
return trimTrailingNewline(oss.str());
}
std::string visitForLoop(const ForLoop* l) override {
std::ostringstream oss;
auto iter = l->getChild("iterable");
oss << "for " << (l->iteratorName.empty() ? "item" : l->iteratorName)
<< " in " << (iter ? generate(iter) : "[]") << " do";
auto body = l->getChildren("body");
if (body.empty()) return oss.str() + " ()";
oss << "\n";
for (const auto* s : body) oss << " " << generate(s) << "\n";
return trimTrailingNewline(oss.str());
}
std::string visitBlock(const Block* b) override {
std::ostringstream oss;
for (const auto* s : b->getChildren("statements")) {
oss << generate(s) << "\n";
}
return trimTrailingNewline(oss.str());
}
std::string visitListLiteral(const ListLiteral* l) override {
std::ostringstream oss;
oss << "[";
auto elems = l->getChildren("elements");
for (size_t i = 0; i < elems.size(); ++i) {
if (i > 0) oss << "; ";
oss << generate(elems[i]);
}
oss << "]";
return oss.str();
}
std::string visitIndexAccess(const IndexAccess* a) override {
auto* target = a->getChild("target");
auto* idx = a->getChild("index");
return (target ? generate(target) : "") + "[" + (idx ? generate(idx) : "") + "]";
}
std::string visitMemberAccess(const MemberAccess* a) override {
auto* target = a->getChild("target");
return (target ? generate(target) : "") + "." + a->memberName;
}
std::string visitVariableReference(const VariableReference* v) override {
return v->variableName;
}
std::string visitIntegerLiteral(const IntegerLiteral* l) override { return std::to_string(l->value); }
std::string visitFloatLiteral(const FloatLiteral* l) override { return l->value; }
std::string visitStringLiteral(const StringLiteral* l) override { return "\"" + l->value + "\""; }
std::string visitBooleanLiteral(const BooleanLiteral* l) override { return l->value ? "true" : "false"; }
std::string visitNullLiteral(const NullLiteral*) override { return "null"; }
std::string visitPrimitiveType(const PrimitiveType* t) override {
if (t->kind == "int") return "int";
if (t->kind == "float" || t->kind == "double") return "float";
if (t->kind == "string") return "string";
if (t->kind == "bool") return "bool";
if (t->kind == "void") return "unit";
return t->kind;
}
std::string visitListType(const ListType* t) override {
auto* e = t->getChild("elementType");
return (e ? generate(e) : "obj") + " list";
}
std::string visitSetType(const SetType* t) override {
auto* e = t->getChild("elementType");
return (e ? generate(e) : "obj") + " seq";
}
std::string visitMapType(const MapType* t) override {
auto* k = t->getChild("keyType");
auto* v = t->getChild("valueType");
return "(" + std::string(k ? generate(k) : "obj") + " * " +
std::string(v ? generate(v) : "obj") + ") list";
}
std::string visitTupleType(const TupleType* t) override {
std::ostringstream oss;
auto elems = t->getChildren("elementTypes");
for (size_t i = 0; i < elems.size(); ++i) {
if (i > 0) oss << " * ";
oss << generate(elems[i]);
}
return oss.str();
}
std::string visitArrayType(const ArrayType* t) override {
auto* e = t->getChild("elementType");
return (e ? generate(e) : "obj") + " array";
}
std::string visitOptionalType(const OptionalType* t) override {
auto* inner = t->getChild("innerType");
return (inner ? generate(inner) : "obj") + " option";
}
std::string visitCustomType(const CustomType* t) override {
if (t->typeName == "result") return "result";
return t->typeName;
}
// Subject 1 annotations not covered by SemannoAnnotationImpl.
std::string visitDerefStrategy(const DerefStrategy* a) override {
return commentPrefix() + SemannoEmitter::emit(a);
}
std::string visitOptimizationLock(const OptimizationLock* a) override {
return commentPrefix() + SemannoEmitter::emit(a);
}
std::string visitLangSpecific(const LangSpecific* a) override {
return commentPrefix() + SemannoEmitter::emit(a);
}
std::string visitDeallocateAnnotation(const DeallocateAnnotation* a) override {
return commentPrefix() + SemannoEmitter::emit(a);
}
std::string visitLifetimeAnnotation(const LifetimeAnnotation* a) override {
return commentPrefix() + SemannoEmitter::emit(a);
}
std::string visitReclaimAnnotation(const ReclaimAnnotation* a) override {
return commentPrefix() + SemannoEmitter::emit(a);
}
std::string visitOwnerAnnotation(const OwnerAnnotation* a) override {
return commentPrefix() + SemannoEmitter::emit(a);
}
std::string visitAllocateAnnotation(const AllocateAnnotation* a) override {
return commentPrefix() + SemannoEmitter::emit(a);
}
std::string visitHotColdAnnotation(const HotColdAnnotation* a) override {
return commentPrefix() + SemannoEmitter::emit(a);
}
std::string visitInlineAnnotation(const InlineAnnotation* a) override {
return commentPrefix() + SemannoEmitter::emit(a);
}
std::string visitPureAnnotation(const PureAnnotation* a) override {
return commentPrefix() + SemannoEmitter::emit(a);
}
std::string visitConstExprAnnotation(const ConstExprAnnotation* a) override {
return commentPrefix() + SemannoEmitter::emit(a);
}
std::string visitNamespaceDeclaration(const ASTNode* node) override {
auto* ns = static_cast<const NamespaceDeclaration*>(node);
return "module " + ns->name;
}
std::string visitEnumDeclaration(const ASTNode* node) override {
auto* en = static_cast<const EnumDeclaration*>(node);
std::ostringstream oss;
oss << "type " << en->name << " =";
auto members = en->getChildren("members");
if (members.empty()) {
oss << " | Unknown";
return oss.str();
}
for (const auto* m : members) {
auto* em = static_cast<const EnumMember*>(m);
oss << "\n | " << em->name;
}
return oss.str();
}
std::string visitClassDeclaration(const ASTNode* node) override {
auto* cls = static_cast<const ClassDeclaration*>(node);
std::ostringstream oss;
oss << "type " << cls->name << " = {";
auto fields = cls->getChildren("fields");
if (!fields.empty()) oss << " ";
for (size_t i = 0; i < fields.size(); ++i) {
auto* v = static_cast<const Variable*>(fields[i]);
if (i > 0) oss << "; ";
oss << v->name << ": obj";
}
if (!fields.empty()) oss << " ";
oss << "}";
return oss.str();
}
private:
static std::string trimTrailingNewline(std::string s) {
while (!s.empty() && (s.back() == '\n' || s.back() == '\r')) s.pop_back();
return s;
}
};

1
editor/src/ast/Generator.h
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@@ -11,6 +11,7 @@
#include "GoGenerator.h"
#include "KotlinGenerator.h"
#include "CSharpGenerator.h"
#include "FSharpGenerator.h"
#include "CGenerator.h"
#include "WatGenerator.h"
#include "CommonLispGenerator.h"