Remove reduntant syntax_first/syntax_rest (use regular first/rest instead)
This commit is contained in:
parent
12509f65df
commit
fa4b912b88
3 changed files with 69 additions and 79 deletions
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@ -768,36 +768,25 @@ Result<bool> syntax_is_nil(const Value& value) {
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return val.is<Nil>();
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return val.is<Nil>();
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}
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}
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Result<Value> syntax_first(const Value& value) {
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if (!value.is<Syntax>()) return value.first();
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auto val = TRY(value.to<Syntax>()->expression());
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return val.first();
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}
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Result<Value> syntax_second(const Value& value) {
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if (!value.is<Syntax>()) return value.second();
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auto val = TRY(value.to<Syntax>()->expression());
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return val.second();
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}
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Result<Value> syntax_third(const Value& value) {
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if (!value.is<Syntax>()) return value.third();
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auto val = TRY(value.to<Syntax>()->expression());
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return val.third();
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}
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Result<Value> syntax_rest(const Value& value) {
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if (!value.is<Syntax>()) return value.rest();
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auto val = TRY(value.to<Syntax>()->expression());
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return val.rest();
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}
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Result<Value> syntax_unwrap(const Value& value) {
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Result<Value> syntax_unwrap(const Value& value) {
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if (!value.is<Syntax>()) return value.copy();
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if (!value.is<Syntax>()) return value.copy();
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return TRY(value.to<Syntax>()->expression());
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return TRY(value.to<Syntax>()->expression());
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}
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}
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Result<Value> Syntax::first() const {
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auto val = TRY(expression());
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return val.first();
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}
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Result<Value> Syntax::second() const {
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auto val = TRY(expression());
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return val.second();
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}
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Result<Value> Syntax::third() const {
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auto val = TRY(expression());
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return val.third();
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}
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Result<Value> Syntax::rest() const {
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auto val = TRY(expression());
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return val.rest();
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}
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@ -709,6 +709,11 @@ class Syntax : public Object {
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Result<Value> srcloc() const;
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Result<Value> srcloc() const;
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Result<Value> expression() const;
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Result<Value> expression() const;
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Result<Value> first() const final;
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Result<Value> second() const final;
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Result<Value> third() const final;
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Result<Value> rest() const final;
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virtual Result<Value> copy_value() const final;
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virtual Result<Value> copy_value() const final;
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Result<Syntax> copy() const;
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Result<Syntax> copy() const;
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@ -1246,8 +1251,4 @@ Result<Array> Array::append(const V& value) const {
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Result<bool> syntax_is_list(const Value& value);
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Result<bool> syntax_is_list(const Value& value);
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Result<bool> syntax_is_nil(const Value& value);
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Result<bool> syntax_is_nil(const Value& value);
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Result<Value> syntax_first(const Value& value);
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Result<Value> syntax_second(const Value& value);
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Result<Value> syntax_third(const Value& value);
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Result<Value> syntax_rest(const Value& value);
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Result<Value> syntax_unwrap(const Value& value);
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Result<Value> syntax_unwrap(const Value& value);
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@ -245,7 +245,7 @@ Result<Expression> Compiler::compile_expr(Context& context, const Value& expr) {
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Result<Expression> Compiler::compile_primop(Context& context, Symbol& op,
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Result<Expression> Compiler::compile_primop(Context& context, Symbol& op,
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const Value& expr) {
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const Value& expr) {
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Value cur = TRY(syntax_rest(expr));
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Value cur = TRY(expr.rest());
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Expression ex = TRY(Expression::create());
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Expression ex = TRY(Expression::create());
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Oc opcode = Oc::Unknown;
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Oc opcode = Oc::Unknown;
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@ -270,7 +270,7 @@ Result<Expression> Compiler::compile_primop(Context& context, Symbol& op,
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return ex;
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return ex;
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}
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}
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auto subexpr = TRY(syntax_first(cur));
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auto subexpr = TRY(cur.first());
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auto comp = TRY(compile_expr(context, subexpr));
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auto comp = TRY(compile_expr(context, subexpr));
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@ -278,16 +278,16 @@ Result<Expression> Compiler::compile_primop(Context& context, Symbol& op,
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uint64_t firstreg = comp.reg;
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uint64_t firstreg = comp.reg;
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uint64_t reg = firstreg;
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uint64_t reg = firstreg;
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cur = TRY(syntax_rest(cur));
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cur = TRY(cur.rest());
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while (!cur.is<Nil>()) {
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while (!cur.is<Nil>()) {
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auto subexpr = TRY(syntax_first(cur));
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auto subexpr = TRY(cur.first());
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auto comp = TRY(compile_expr(context, subexpr));
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auto comp = TRY(compile_expr(context, subexpr));
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ex.add_code(comp.code);
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ex.add_code(comp.code);
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auto rest = TRY(syntax_rest(cur));
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auto rest = TRY(cur.rest());
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uint64_t res = 0;
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uint64_t res = 0;
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if (rest.is<Nil>())
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if (rest.is<Nil>())
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@ -309,7 +309,7 @@ Result<Expression> Compiler::compile_primop(Context& context, Symbol& op,
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Result<Expression> Compiler::compile_comparison(Context& context, Symbol& op,
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Result<Expression> Compiler::compile_comparison(Context& context, Symbol& op,
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const Value& expr) {
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const Value& expr) {
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Value cur = TRY(syntax_rest(expr));
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Value cur = TRY(expr.rest());
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Expression ex = TRY(Expression::create());
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Expression ex = TRY(Expression::create());
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Oc opcode = Oc::Unknown;
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Oc opcode = Oc::Unknown;
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@ -346,7 +346,7 @@ Result<Expression> Compiler::compile_comparison(Context& context, Symbol& op,
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int64_t false_c = TRY(context.add_const(TRY(Bool::create(false))));
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int64_t false_c = TRY(context.add_const(TRY(Bool::create(false))));
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TRY(ex.add_opcode(Oc::Mov, {0, (int64_t)result}, {1, true_c}));
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TRY(ex.add_opcode(Oc::Mov, {0, (int64_t)result}, {1, true_c}));
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auto subexpr = TRY(syntax_first(cur));
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auto subexpr = TRY(cur.first());
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auto comp = TRY(compile_expr(context, subexpr));
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auto comp = TRY(compile_expr(context, subexpr));
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@ -354,16 +354,16 @@ Result<Expression> Compiler::compile_comparison(Context& context, Symbol& op,
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uint64_t firstreg = comp.reg;
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uint64_t firstreg = comp.reg;
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uint64_t reg = firstreg;
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uint64_t reg = firstreg;
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cur = TRY(syntax_rest(cur));
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cur = TRY(cur.rest());
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while (!cur.is<Nil>()) {
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while (!cur.is<Nil>()) {
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auto subexpr = TRY(syntax_first(cur));
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auto subexpr = TRY(cur.first());
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auto comp = TRY(compile_expr(context, subexpr));
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auto comp = TRY(compile_expr(context, subexpr));
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ex.add_code(comp.code);
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ex.add_code(comp.code);
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auto rest = TRY(syntax_rest(cur));
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auto rest = TRY(cur.rest());
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TRY(ex.add_opcode(opcode, {0, (int64_t)reg}, {0, (int64_t)comp.reg},
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TRY(ex.add_opcode(opcode, {0, (int64_t)reg}, {0, (int64_t)comp.reg},
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{0, (int64_t)cmp_expected}));
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{0, (int64_t)cmp_expected}));
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@ -381,25 +381,25 @@ Result<Expression> Compiler::compile_comparison(Context& context, Symbol& op,
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Result<Expression> Compiler::compile_if(Context& context, Symbol& op,
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Result<Expression> Compiler::compile_if(Context& context, Symbol& op,
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const Value& expr) {
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const Value& expr) {
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Value first = TRY(syntax_rest(expr));
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Value first = TRY(expr.rest());
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Expression ex = TRY(Expression::create());
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Expression ex = TRY(Expression::create());
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if (!TRY(syntax_is_list(first))) {
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if (!TRY(syntax_is_list(first))) {
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return ERROR(CompilationError);
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return ERROR(CompilationError);
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}
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}
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Value second = TRY(syntax_rest(first));
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Value second = TRY(first.rest());
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if (!TRY(syntax_is_list(second))) {
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if (!TRY(syntax_is_list(second))) {
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return ERROR(CompilationError);
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return ERROR(CompilationError);
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}
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}
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Value third = TRY(syntax_rest(second));
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Value third = TRY(second.rest());
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if (!TRY(syntax_is_list(third))) {
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if (!TRY(syntax_is_list(third))) {
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return ERROR(CompilationError);
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return ERROR(CompilationError);
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}
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}
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auto condition = TRY(syntax_first(first));
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auto condition = TRY(first.first());
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auto condition_comp = TRY(compile_expr(context, condition));
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auto condition_comp = TRY(compile_expr(context, condition));
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@ -407,14 +407,14 @@ Result<Expression> Compiler::compile_if(Context& context, Symbol& op,
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uint64_t firstreg = condition_comp.reg;
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uint64_t firstreg = condition_comp.reg;
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uint64_t reg = firstreg;
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uint64_t reg = firstreg;
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auto option1 = TRY(syntax_first(second));
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auto option1 = TRY(second.first());
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auto option1_comp = TRY(compile_expr(context, option1));
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auto option1_comp = TRY(compile_expr(context, option1));
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uint64_t option1_reg = option1_comp.reg;
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uint64_t option1_reg = option1_comp.reg;
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context.maxreg = firstreg + 1;
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context.maxreg = firstreg + 1;
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auto option2 = TRY(syntax_first(third));
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auto option2 = TRY(third.first());
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auto option2_comp = TRY(compile_expr(context, option2));
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auto option2_comp = TRY(compile_expr(context, option2));
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int64_t true_const = TRY(context.add_const(TRY(Bool::create(true))));
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int64_t true_const = TRY(context.add_const(TRY(Bool::create(true))));
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@ -440,7 +440,7 @@ Result<Expression> Compiler::compile_if(Context& context, Symbol& op,
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Result<Expression> Compiler::compile_and(Context& context, Symbol& op,
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Result<Expression> Compiler::compile_and(Context& context, Symbol& op,
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const Value& expr) {
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const Value& expr) {
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Value param = TRY(syntax_rest(expr));
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Value param = TRY(expr.rest());
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Expression ex = TRY(Expression::create());
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Expression ex = TRY(Expression::create());
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if (!TRY(syntax_is_list(param))) {
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if (!TRY(syntax_is_list(param))) {
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return ERROR(CompilationError);
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return ERROR(CompilationError);
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@ -459,8 +459,8 @@ Result<Expression> Compiler::compile_and(Context& context, Symbol& op,
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return ERROR(CompilationError);
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return ERROR(CompilationError);
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}
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}
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auto rest = TRY(syntax_rest(param));
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auto rest = TRY(param.rest());
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Value param_val = TRY(syntax_first(param));
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Value param_val = TRY(param.first());
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auto param_ex = TRY(compile_expr(context, param_val));
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auto param_ex = TRY(compile_expr(context, param_val));
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@ -487,7 +487,7 @@ Result<Expression> Compiler::compile_and(Context& context, Symbol& op,
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Result<Expression> Compiler::compile_or(Context& context, Symbol& op,
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Result<Expression> Compiler::compile_or(Context& context, Symbol& op,
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const Value& expr) {
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const Value& expr) {
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Value param = TRY(syntax_rest(expr));
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Value param = TRY(expr.rest());
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Expression ex = TRY(Expression::create());
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Expression ex = TRY(Expression::create());
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if (!TRY(syntax_is_list(param))) {
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if (!TRY(syntax_is_list(param))) {
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return ERROR(CompilationError);
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return ERROR(CompilationError);
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@ -506,8 +506,8 @@ Result<Expression> Compiler::compile_or(Context& context, Symbol& op,
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return ERROR(CompilationError);
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return ERROR(CompilationError);
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}
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}
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auto rest = TRY(syntax_rest(param));
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auto rest = TRY(param.rest());
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Value param_val = TRY(syntax_first(param));
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Value param_val = TRY(param.first());
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auto param_ex = TRY(compile_expr(context, param_val));
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auto param_ex = TRY(compile_expr(context, param_val));
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@ -534,13 +534,13 @@ Result<Expression> Compiler::compile_or(Context& context, Symbol& op,
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Result<Expression> Compiler::compile_not(Context& context, Symbol& op,
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Result<Expression> Compiler::compile_not(Context& context, Symbol& op,
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const Value& expr) {
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const Value& expr) {
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Value first = TRY(syntax_rest(expr));
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Value first = TRY(expr.rest());
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Expression ex = TRY(Expression::create());
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Expression ex = TRY(Expression::create());
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if (!TRY(syntax_is_list(first))) {
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if (!TRY(syntax_is_list(first))) {
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return ERROR(CompilationError);
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return ERROR(CompilationError);
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}
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}
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auto first_expr = TRY(syntax_first(first));
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auto first_expr = TRY(first.first());
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uint64_t result = context.alloc_reg();
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uint64_t result = context.alloc_reg();
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int64_t true_c = TRY(context.add_const(TRY(Bool::create(true))));
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int64_t true_c = TRY(context.add_const(TRY(Bool::create(true))));
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@ -561,11 +561,11 @@ Result<Expression> Compiler::compile_not(Context& context, Symbol& op,
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Result<Expression> Compiler::compile_def(Context& context, Symbol& op,
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Result<Expression> Compiler::compile_def(Context& context, Symbol& op,
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const Value& expr) {
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const Value& expr) {
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auto varname = TRY(syntax_second(expr));
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auto varname = TRY(expr.second());
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auto varname_unwrapped = TRY(syntax_unwrap(varname));
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auto varname_unwrapped = TRY(syntax_unwrap(varname));
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if (!varname_unwrapped.is<Symbol>()) return ERROR(CompilationError);
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if (!varname_unwrapped.is<Symbol>()) return ERROR(CompilationError);
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auto var_expr = TRY(syntax_third(expr));
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auto var_expr = TRY(expr.third());
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uint64_t maxreg = context.maxreg;
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uint64_t maxreg = context.maxreg;
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Expression ex = TRY(Expression::create());
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Expression ex = TRY(Expression::create());
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@ -588,7 +588,7 @@ Result<Expression> Compiler::compile_fn(Context& context, Symbol& op,
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Context ctx = TRY(Context::create(context));
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Context ctx = TRY(Context::create(context));
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ctx.maxreg = 1; // Reserve the slot for function itself
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ctx.maxreg = 1; // Reserve the slot for function itself
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auto first = TRY(syntax_rest(expr));
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auto first = TRY(expr.rest());
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if (!TRY(syntax_is_list(first))) {
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if (!TRY(syntax_is_list(first))) {
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return ERROR(CompilationError);
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return ERROR(CompilationError);
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@ -596,28 +596,28 @@ Result<Expression> Compiler::compile_fn(Context& context, Symbol& op,
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Value name = TRY(Nil::create());
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Value name = TRY(Nil::create());
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auto maybe_name = TRY(syntax_first(first));
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auto maybe_name = TRY(first.first());
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auto maybe_name_unwrapped = TRY(syntax_unwrap(maybe_name));
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auto maybe_name_unwrapped = TRY(syntax_unwrap(maybe_name));
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if (maybe_name_unwrapped.is<Symbol>()) {
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if (maybe_name_unwrapped.is<Symbol>()) {
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name = TRY(maybe_name_unwrapped.copy());
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name = TRY(maybe_name_unwrapped.copy());
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ctx.fname = TRY(name.copy());
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ctx.fname = TRY(name.copy());
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first = TRY(syntax_rest(first));
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first = TRY(first.rest());
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if (!TRY(syntax_is_list(first))) {
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if (!TRY(syntax_is_list(first))) {
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return ERROR(CompilationError);
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return ERROR(CompilationError);
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}
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}
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}
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}
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auto param = TRY(syntax_first(first));
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auto param = TRY(first.first());
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uint64_t arity = 0;
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uint64_t arity = 0;
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while (!TRY(syntax_is_nil(param))) {
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while (!TRY(syntax_is_nil(param))) {
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if (!TRY(syntax_is_list(param))) {
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if (!TRY(syntax_is_list(param))) {
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return ERROR(CompilationError);
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return ERROR(CompilationError);
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}
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}
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auto param_name = TRY(syntax_first(param));
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auto param_name = TRY(param.first());
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auto param_name_unwrapped = TRY(syntax_unwrap(param_name));
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auto param_name_unwrapped = TRY(syntax_unwrap(param_name));
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if (!param_name_unwrapped.is<Symbol>()) {
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if (!param_name_unwrapped.is<Symbol>()) {
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@ -626,11 +626,11 @@ Result<Expression> Compiler::compile_fn(Context& context, Symbol& op,
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int64_t reg = TRY(ctx.add_var(param_name_unwrapped));
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int64_t reg = TRY(ctx.add_var(param_name_unwrapped));
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param = TRY(syntax_rest(param));
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param = TRY(param.rest());
|
||||||
arity++;
|
arity++;
|
||||||
}
|
}
|
||||||
|
|
||||||
Value second = TRY(syntax_rest(first));
|
Value second = TRY(first.rest());
|
||||||
|
|
||||||
if (!TRY(syntax_is_list(second))) {
|
if (!TRY(syntax_is_list(second))) {
|
||||||
return ERROR(CompilationError);
|
return ERROR(CompilationError);
|
||||||
|
@ -724,7 +724,7 @@ Result<Expression> Compiler::compile_let(Context& context, Symbol& op,
|
||||||
// Save the variable bindings to restore it later
|
// Save the variable bindings to restore it later
|
||||||
Dict saved_vars = TRY(context.variables_dict.copy());
|
Dict saved_vars = TRY(context.variables_dict.copy());
|
||||||
|
|
||||||
auto first = TRY(syntax_rest(expr));
|
auto first = TRY(expr.rest());
|
||||||
|
|
||||||
if (!TRY(syntax_is_list(first))) {
|
if (!TRY(syntax_is_list(first))) {
|
||||||
return ERROR(CompilationError);
|
return ERROR(CompilationError);
|
||||||
|
@ -732,20 +732,20 @@ Result<Expression> Compiler::compile_let(Context& context, Symbol& op,
|
||||||
|
|
||||||
uint64_t maxreg = context.maxreg;
|
uint64_t maxreg = context.maxreg;
|
||||||
|
|
||||||
auto bindings = TRY(syntax_first(first));
|
auto bindings = TRY(first.first());
|
||||||
|
|
||||||
Expression ex_res = TRY(Expression::create());
|
Expression ex_res = TRY(Expression::create());
|
||||||
|
|
||||||
while (!bindings.is<Nil>()) {
|
while (!bindings.is<Nil>()) {
|
||||||
auto binding = TRY(syntax_first(bindings));
|
auto binding = TRY(bindings.first());
|
||||||
|
|
||||||
if (!TRY(syntax_is_list(binding))) {
|
if (!TRY(syntax_is_list(binding))) {
|
||||||
return ERROR(CompilationError);
|
return ERROR(CompilationError);
|
||||||
}
|
}
|
||||||
|
|
||||||
auto binding_name = TRY(syntax_first(binding));
|
auto binding_name = TRY(binding.first());
|
||||||
auto binding_name_unwrapped = TRY(syntax_unwrap(binding_name));
|
auto binding_name_unwrapped = TRY(syntax_unwrap(binding_name));
|
||||||
auto binding_expr = TRY(syntax_second(binding));
|
auto binding_expr = TRY(binding.second());
|
||||||
|
|
||||||
if (!binding_name_unwrapped.is<Symbol>()) return ERROR(CompilationError);
|
if (!binding_name_unwrapped.is<Symbol>()) return ERROR(CompilationError);
|
||||||
|
|
||||||
|
@ -756,10 +756,10 @@ Result<Expression> Compiler::compile_let(Context& context, Symbol& op,
|
||||||
|
|
||||||
ex_res.add_code(ex.code);
|
ex_res.add_code(ex.code);
|
||||||
|
|
||||||
bindings = TRY(syntax_rest(bindings));
|
bindings = TRY(bindings.rest());
|
||||||
}
|
}
|
||||||
|
|
||||||
Value second = TRY(syntax_rest(first));
|
Value second = TRY(first.rest());
|
||||||
|
|
||||||
if (!TRY(syntax_is_list(second))) {
|
if (!TRY(syntax_is_list(second))) {
|
||||||
return ERROR(CompilationError);
|
return ERROR(CompilationError);
|
||||||
|
@ -788,7 +788,7 @@ Result<Expression> Compiler::compile_body(Context& context, const Value& expr) {
|
||||||
if (!TRY(syntax_is_list(cur))) {
|
if (!TRY(syntax_is_list(cur))) {
|
||||||
return ERROR(CompilationError);
|
return ERROR(CompilationError);
|
||||||
}
|
}
|
||||||
auto expr_val = TRY(syntax_first(cur));
|
auto expr_val = TRY(cur.first());
|
||||||
|
|
||||||
// debug_print(expr_val);
|
// debug_print(expr_val);
|
||||||
|
|
||||||
|
@ -796,7 +796,7 @@ Result<Expression> Compiler::compile_body(Context& context, const Value& expr) {
|
||||||
|
|
||||||
TRY(ex_res.add_code(expr.code));
|
TRY(ex_res.add_code(expr.code));
|
||||||
|
|
||||||
cur = TRY(syntax_rest(cur));
|
cur = TRY(cur.rest());
|
||||||
|
|
||||||
if (cur.is<Nil>()) {
|
if (cur.is<Nil>()) {
|
||||||
ex_res.reg = expr.reg;
|
ex_res.reg = expr.reg;
|
||||||
|
@ -812,9 +812,9 @@ Result<Expression> Compiler::compile_function_call(Context& context,
|
||||||
const Value& expr) {
|
const Value& expr) {
|
||||||
auto ex = TRY(Expression::create());
|
auto ex = TRY(Expression::create());
|
||||||
|
|
||||||
auto first = TRY(syntax_first(expr));
|
auto first = TRY(expr.first());
|
||||||
auto first_unwrapped = TRY(syntax_unwrap(first));
|
auto first_unwrapped = TRY(syntax_unwrap(first));
|
||||||
auto param = TRY(syntax_rest(expr));
|
auto param = TRY(expr.rest());
|
||||||
|
|
||||||
bool is_self_call = false;
|
bool is_self_call = false;
|
||||||
uint64_t firstreg = context.maxreg;
|
uint64_t firstreg = context.maxreg;
|
||||||
|
@ -834,12 +834,12 @@ Result<Expression> Compiler::compile_function_call(Context& context,
|
||||||
if (!TRY(syntax_is_list(param))) {
|
if (!TRY(syntax_is_list(param))) {
|
||||||
return ERROR(CompilationError);
|
return ERROR(CompilationError);
|
||||||
}
|
}
|
||||||
Value param_val = TRY(syntax_first(param));
|
Value param_val = TRY(param.first());
|
||||||
|
|
||||||
auto param_ex = TRY(compile_expr(context, param_val));
|
auto param_ex = TRY(compile_expr(context, param_val));
|
||||||
TRY(ex.add_code(param_ex.code));
|
TRY(ex.add_code(param_ex.code));
|
||||||
|
|
||||||
param = TRY(syntax_rest(param));
|
param = TRY(param.rest());
|
||||||
}
|
}
|
||||||
|
|
||||||
if (is_self_call) {
|
if (is_self_call) {
|
||||||
|
@ -856,7 +856,7 @@ Result<Expression> Compiler::compile_function_call(Context& context,
|
||||||
}
|
}
|
||||||
|
|
||||||
Result<Expression> Compiler::compile_list(Context& context, const Value& expr) {
|
Result<Expression> Compiler::compile_list(Context& context, const Value& expr) {
|
||||||
auto first = TRY(syntax_first(expr));
|
auto first = TRY(expr.first());
|
||||||
auto unwrapped = TRY(syntax_unwrap(first));
|
auto unwrapped = TRY(syntax_unwrap(first));
|
||||||
|
|
||||||
if (unwrapped.is<Symbol>()) {
|
if (unwrapped.is<Symbol>()) {
|
||||||
|
|
Loading…
Reference in a new issue