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|
The `loadfile()` function operates similar to `loadstring()` but reads the
input to compile from the specified file path instead.
It compiles the given file name into a ucode program and returns the resulting
entry function.
Throws an exception on compilation or file i/o failure.
Returns the compiled program entry function.
Compile a simple program with default options
-- Testcase --
{%
let fn = loadfile('./files/test1.uc');
fn();
%}
-- End --
-- File test1.uc --
return 1 + 1;
-- End --
-- Expect stdout --
return 1 + 1;
-- End --
Compile a program in raw mode
-- Testcase --
{%
let fn = loadfile('./files/test2.uc', { raw_mode: true });
fn();
%}
-- End --
-- File test2.uc --
printf("%d\n", 1 + 1);
-- End --
-- Expect stdout --
2
-- End --
Compile a program in template mode
-- Testcase --
{%
let fn = loadfile('./files/test3.uc', { raw_mode: false });
fn();
%}
-- End --
-- File test3.uc --
{{ 1 + 1 }}
-- End --
-- Expect stdout --
2
-- End --
Override module search path during compilation (import should fail due to empty path)
-- Testcase --
{%
loadfile('./files/test4.uc', {
raw_mode: true,
module_search_path: []
});
%}
-- End --
-- File test4.uc --
import { readfile } from "fs";
-- End --
-- Expect stderr --
Runtime error: Unable to compile source file './files/test4.uc':
| Syntax error: Unable to resolve path for module 'fs'
| In line 1, byte 30:
|
| `import { readfile } from "fs";`
| Near here -------------------^
In line 5, byte 3:
` });`
^-- Near here
-- End --
Force dynamic loading of unknown extensions at compile time (should succeed)
-- Testcase --
{%
loadfile('./files/test5.uc', {
raw_mode: true,
force_dynlink_list: [ "doesnotexist" ]
});
print("OK\n");
%}
-- End --
-- File test5.uc --
import foo from "doesnotexist";
-- End --
-- Expect stdout --
OK
-- End --
Compiling a syntax error (should fail with syntax error exception)
-- Testcase --
{%
loadfile('./files/test6.uc', { raw_mode: true });
%}
-- End --
-- File test6.uc --
1 +
-- End --
-- Expect stderr --
Runtime error: Unable to compile source file './files/test6.uc':
| Syntax error: Expecting expression
| In line 1, byte 5:
|
| `1 +`
| ^-- Near here
In line 2, byte 49:
` loadfile('./files/test6.uc', { raw_mode: true });`
Near here -----------------------------------------^
-- End --
Test loading precompiled bytecode
-- Testcase --
{%
import { readlink } from 'fs';
system(`${readlink('/proc/self/exe')} -T, -c -o ./files/test7.uc -e 'Hello world\n'`);
let fn = loadfile('./files/test7.uc');
fn();
%}
-- End --
-- Expect stdout --
Hello world
-- End --
|
