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Merge pull request #7769 from ethereum/libsolc-doc

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Document and clarify libsolc's interface
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chriseth 2019-11-21 22:57:32 +01:00 committed by GitHub
commit 0201ff5a02
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3 changed files with 13 additions and 4 deletions
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2
libsolc/libsolc.cpp
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@ -53,7 +53,7 @@ ReadCallback::Callback wrapReadCallback(CStyleReadFileCallback _readCallback = n
if (!contents_c && !error_c)
{
result.success = false;
result.responseOrErrorMessage = "File not found.";
result.responseOrErrorMessage = "Callback not supported.";
}
if (contents_c)
{

13
libsolc/libsolc.h
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@ -36,7 +36,13 @@ extern "C" {
/// Callback used to retrieve additional source files.
///
/// "Returns" two pointers that should be heap-allocated and are free'd by the caller.
/// @param _path The path for loading.
/// @param o_contents A pointer to the contents of the file, if found.
/// @param o_error A pointer to an error message, if there is one.
///
/// If the callback is not supported, o_contents and o_error should be set to NULL.
///
/// The two pointers (o_contents and o_error) should be heap-allocated and are free'd by the caller.
typedef void (*CStyleReadFileCallback)(char const* _path, char** o_contents, char** o_error);
/// Returns the complete license document.
@ -52,7 +58,10 @@ char const* solidity_version() SOLC_NOEXCEPT;
/// Takes a "Standard Input JSON" and an optional callback (can be set to null). Returns
/// a "Standard Output JSON". Both are to be UTF-8 encoded.
///
/// The pointer returned must not be freed by the caller.
/// @param _input
/// @param _readCallback
///
/// @returns A pointer to the result. The pointer returned must not be freed by the caller.
char const* solidity_compile(char const* _input, CStyleReadFileCallback _readCallback) SOLC_NOEXCEPT;
/// Frees up any allocated memory.

2
test/libsolidity/LibSolc.cpp
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@ -167,7 +167,7 @@ BOOST_AUTO_TEST_CASE(with_callback)
BOOST_CHECK(containsError(result, "ParserError", "Source \"missing.sol\" not found: Missing file."));
// This should be placed due to the missing "notfound.sol" which sets both pointers to null.
BOOST_CHECK(containsError(result, "ParserError", "Source \"notfound.sol\" not found: File not found."));
BOOST_CHECK(containsError(result, "ParserError", "Source \"notfound.sol\" not found: Callback not supported."));
}
BOOST_AUTO_TEST_SUITE_END()