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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| """Define the inline source object and its functions. | ||
| """ | ||
|
|
||
| visibility("//lang/...") | ||
|
|
||
| _INLINE_SRC_TYPE = "INLINE_SRC" | ||
|
|
||
| def is_inline_src(obj): | ||
| """Test if an object is an inline source object or not. | ||
| Args: | ||
| An object to test. | ||
| Returns: | ||
| True it's an inline source object, false otherwise. | ||
| """ | ||
| return type(obj) == "struct" and getattr(obj, "type", None) == _INLINE_SRC_TYPE | ||
|
|
||
| def inline_src_c(content): | ||
| """Construct an inline source object for C. | ||
| Args: | ||
| content(str): Content of the source file. | ||
| Returns: | ||
| An inline source object for C. | ||
| """ | ||
|
|
||
| return struct( | ||
| type = _INLINE_SRC_TYPE, | ||
| content = content, | ||
| extension = "c", | ||
| ) | ||
|
|
||
| def inline_src_cpp(content): | ||
| """Construct an inline source object for C++. | ||
| Args: | ||
| content(str): Content of the source file. | ||
| Returns: | ||
| An inline source object for C++. | ||
| """ | ||
|
|
||
| return struct( | ||
| type = _INLINE_SRC_TYPE, | ||
| content = content, | ||
| extension = "cpp", | ||
| ) | ||
|
|
||
| def _generate_inline_src_rule_impl(ctx): | ||
| """Implementation of `_generate_inline_src_rule`. | ||
| Args: | ||
| ctx: Rule context. | ||
| Returns: | ||
| Provider for the rule. | ||
| """ | ||
| output = ctx.actions.declare_file(ctx.label.name + "." + ctx.attr.extension) | ||
| ctx.actions.write( | ||
| output = output, | ||
| content = ctx.attr.content, | ||
| ) | ||
| return [DefaultInfo(files = depset([output]))] | ||
|
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| _generate_inline_src_rule = rule( | ||
| implementation = _generate_inline_src_rule_impl, | ||
| attrs = { | ||
| "content": attr.string( | ||
| doc = ( | ||
| "The content of the source file." | ||
| ), | ||
| mandatory = True, | ||
| ), | ||
| "extension": attr.string( | ||
| doc = ( | ||
| "The extension of the source file." | ||
| ), | ||
| mandatory = True, | ||
| ), | ||
| }, | ||
| provides = [DefaultInfo], | ||
| ) | ||
|
|
||
| def generate_inline_src(*, name, inline_src, **kwargs): | ||
| """Rule to generate inline source. | ||
| Args: | ||
| name(str): The name of the target. | ||
| inline_src(inline source object): The inline source object to generate. | ||
| **kwargs(dict): Passed to internal rules. | ||
| """ | ||
| if not is_inline_src(inline_src): | ||
| fail("Precondition: `inline_src` must be an inline source object.") | ||
|
|
||
| _generate_inline_src_rule( | ||
| name = name, | ||
| content = inline_src.content, | ||
| extension = inline_src.extension, | ||
| **kwargs | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| """Define `inline_src`. | ||
| """ | ||
|
|
||
| load( | ||
| "//inline_src:inline_src.bzl", | ||
| "inline_src_c", | ||
| "inline_src_cpp", | ||
| ) | ||
|
|
||
| visibility("private") | ||
|
|
||
| inline_src = struct( | ||
| c = inline_src_c, | ||
| cpp = inline_src_cpp, | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| load("@bazel_skylib//rules:build_test.bzl", "build_test") | ||
| load("//lang/cc:defs.bzl", "inline_src") | ||
| load("//matcher:defs.bzl", "matcher") | ||
| load("//tests/cc:utils.bzl", "check_build_and_test") | ||
|
|
||
| check_build_and_test( | ||
| name = "plain", | ||
| src = inline_src.c(""" | ||
| #include <assert.h> | ||
| int main(void) { | ||
| #ifndef __cplusplus | ||
| static_assert(0, "Compile error message for inline src"); | ||
| #endif | ||
| return 0; | ||
| } | ||
| """), | ||
| ) | ||
|
|
||
| check_build_and_test( | ||
| name = "with_substr_matcher", | ||
| src = inline_src.c(""" | ||
| #include <assert.h> | ||
| int main(void) { | ||
| #ifndef __cplusplus | ||
| static_assert(0, "Compile error message for inline src"); | ||
| #endif | ||
| return 0; | ||
| } | ||
| """), | ||
| compile_stderr = matcher.has_substr("static assertion failed"), | ||
| ) | ||
|
|
||
| check_build_and_test( | ||
| name = "with_basic_regex_matcher", | ||
| src = inline_src.c(""" | ||
| #include <assert.h> | ||
| int main(void) { | ||
| #ifndef __cplusplus | ||
| static_assert(0, "Compile error message for inline src"); | ||
| #endif | ||
| return 0; | ||
| } | ||
| """), | ||
| compile_stderr = matcher.contains_basic_regex(r"static[[:space:]]assertion \(failed\|error\)"), | ||
| ) | ||
|
|
||
| check_build_and_test( | ||
| name = "with_extended_regex_matcher", | ||
| src = inline_src.c(""" | ||
| #include <assert.h> | ||
| int main(void) { | ||
| #ifndef __cplusplus | ||
| static_assert(0, "Compile error message for inline src"); | ||
| #endif | ||
| return 0; | ||
| } | ||
| """), | ||
| compile_stderr = matcher.contains_extended_regex(r"static[[:space:]]assertion (failed|error)"), | ||
| ) | ||
|
|
||
| build_test( | ||
| name = "build_test", | ||
| targets = [ | ||
| ":plain", | ||
| ":with_substr_matcher", | ||
| ":with_basic_regex_matcher", | ||
| ":with_extended_regex_matcher", | ||
| ], | ||
| ) | ||
|
|
||
| # Test case which should fail to build | ||
| check_build_and_test( | ||
| name = "incorrect_extension", | ||
| src = inline_src.cpp(""" | ||
| #include <assert.h> | ||
| int main(void) { | ||
| #ifndef __cplusplus | ||
| static_assert(0, "Compile error message for inline src"); | ||
| #endif | ||
| return 0; | ||
| } | ||
| """), | ||
| compile_stderr = matcher.has_substr("static assertion failed"), | ||
| tags = ["manual"], | ||
| ) |
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