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[Tolk] v0.6 syntax: fun, import, var, types on the right, etc.

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Lots of changes, actually. Most noticeable are:
- traditional //comments
- #include -> import
- a rule "import what you use"
- ~ found -> !found (for -1/0)
- null() -> null
- is_null?(v) -> v == null
- throw is a keyword
- catch with swapped arguments
- throw_if, throw_unless -> assert
- do until -> do while
- elseif -> else if
- drop ifnot, elseifnot
- drop rarely used operators

A testing framework also appears here. All tests existed earlier,
but due to significant syntax changes, their history is useless.
This commit is contained in:
tolk-vm 2024-10-31 11:11:41 +04:00
parent 5a3e3595d6
commit e2edadba92
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GPG key ID: 7905DD7FE0324B12
133 changed files with 8196 additions and 2605 deletions
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28
tolk/compiler-state.h
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@ -24,21 +24,21 @@
namespace tolk {
extern std::string tolk_version;
// with cmd option -x, the user can pass experimental options to use
class ExperimentalOption {
friend struct CompilerSettings;
class GlobalPragma {
std::string name_;
bool enabled_ = false;
const char* deprecated_from_v_ = nullptr;
const std::string_view name;
bool enabled = false;
const char* deprecated_from_v = nullptr; // when an option becomes deprecated (after the next compiler release),
const char* deprecated_reason = nullptr; // but the user still passes it, we'll warn to stderr
public:
explicit GlobalPragma(std::string name) : name_(std::move(name)) { }
explicit ExperimentalOption(std::string_view name) : name(name) {}
const std::string& name() const { return name_; }
void mark_deprecated(const char* deprecated_from_v, const char* deprecated_reason);
bool enabled() const { return enabled_; }
void enable(SrcLocation loc);
void always_on_and_deprecated(const char* deprecated_from_v);
explicit operator bool() const { return enabled; }
};
// CompilerSettings contains settings that can be passed via cmd line or (partially) wasm envelope.
@ -58,6 +58,11 @@ struct CompilerSettings {
std::string stdlib_filename;
FsReadCallback read_callback;
ExperimentalOption remove_unused_functions{"remove-unused-functions"};
void enable_experimental_option(std::string_view name);
void parse_experimental_options_cmd_arg(const std::string& cmd_arg);
};
// CompilerState contains a mutable state that is changed while the compilation is going on.
@ -78,9 +83,6 @@ struct CompilerState {
AllRegisteredSrcFiles all_src_files;
std::string generated_from;
GlobalPragma pragma_allow_post_modification{"allow-post-modification"};
GlobalPragma pragma_compute_asm_ltr{"compute-asm-ltr"};
GlobalPragma pragma_remove_unused_functions{"remove-unused-functions"};
bool is_verbosity(int gt_eq) const { return settings.verbosity >= gt_eq; }
};