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New build options: max_cstack_size and use_longjmp

This commit is contained in:
Alex Orlenko 2023-05-20 23:07:39 +01:00
parent 3bfe1afb96
commit 8e13672c05
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GPG Key ID: 4C150C250863B96D
1 changed files with 23 additions and 3 deletions
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26
src/lib.rs
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@ -6,6 +6,10 @@ pub struct Build {
out_dir: Option<PathBuf>,
target: Option<String>,
host: Option<String>,
// Max number of Lua stack slots that a C function can use
max_cstack_size: usize,
// Use longjmp instead of C++ exceptions
use_longjmp: bool,
// Enable code generator (jit)
enable_codegen: bool,
}
@ -24,6 +28,8 @@ impl Build {
out_dir: env::var_os("OUT_DIR").map(|s| PathBuf::from(s).join("luau-build")),
target: env::var("TARGET").ok(),
host: env::var("HOST").ok(),
max_cstack_size: 100000,
use_longjmp: false,
enable_codegen: false,
}
}
@ -43,6 +49,16 @@ impl Build {
self
}
pub fn set_max_cstack_size(&mut self, size: usize) -> &mut Build {
self.max_cstack_size = size;
self
}
pub fn use_longjmp(&mut self, r#use: bool) -> &mut Build {
self.use_longjmp = r#use;
self
}
pub fn enable_codegen(&mut self, enable: bool) -> &mut Build {
self.enable_codegen = enable;
self
@ -91,6 +107,13 @@ impl Build {
.flag_if_supported("/std:c++17") // MSVC
.cpp(true);
// Common defines
config.define("LUAI_MAXCSTACK", &*self.max_cstack_size.to_string());
if self.use_longjmp {
config.define("LUA_USE_LONGJMP", "1");
}
if self.enable_codegen {
config.define("LUA_CUSTOM_EXECUTION", None);
}
@ -124,7 +147,6 @@ impl Build {
.define("LUACODEGEN_API", "extern \"C\"")
// Code generator uses lua VM internals, so we need to provide the same defines used to build VM
.define("LUA_API", "extern \"C\"")
.define("LUAI_MAXCSTACK", "100000")
.add_files_by_ext(&codegen_source_dir, "cpp")
.out_dir(&lib_dir)
.compile(codegen_lib_name);
@ -149,8 +171,6 @@ impl Build {
.include(&vm_include_dir)
.include(&common_include_dir)
.define("LUA_API", "extern \"C\"")
.define("LUAI_MAXCSTACK", "100000")
// .define("LUA_USE_LONGJMP", "1")
.add_files_by_ext(&vm_source_dir, "cpp")
.out_dir(&lib_dir)
.compile(vm_lib_name);