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Added Plugin support (#102)

Browse Source 
* Build refactoring and initial plugin support

* Possibly fixed linux / mac build

* Added libdl to libglad build script

* Add glfw to imgui dependencies

* Refactored common functionality into "libimhex" for plugins

* Added plugin loading and example plugin

* Added proper API for creating a custom view and a custom tools entry with plugins
This commit is contained in:
WerWolv
2020-12-22 18:10:01 +01:00
committed by GitHub
parent b9324f44e6
commit dbbc525174
83 changed files with 791 additions and 422 deletions
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36
source/lang/preprocessor.cpp
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@@ -6,7 +6,7 @@ namespace hex::lang {
}
std::pair<Result, std::string> Preprocessor::preprocess(const std::string& code, bool initialRun) {
std::optional<std::string> Preprocessor::preprocess(const std::string& code, bool initialRun) {
u32 offset = 0;
u32 lineNumber = 1;
@@ -29,7 +29,7 @@ namespace hex::lang {
offset += 1;
if (code[offset] != '<' && code[offset] != '"')
return { ResultPreprocessingError, "" };
return { };
char endChar = code[offset];
if (endChar == '<') endChar = '>';
@@ -42,7 +42,7 @@ namespace hex::lang {
offset += 1;
if (offset >= code.length())
return { ResultPreprocessingError, "" };
return { };
}
offset += 1;
@@ -51,7 +51,7 @@ namespace hex::lang {
FILE *file = fopen(includeFile.c_str(), "r");
if (file == nullptr)
return { ResultPreprocessingError, "" };
return { };
fseek(file, 0, SEEK_END);
size_t size = ftell(file);
@@ -61,11 +61,11 @@ namespace hex::lang {
fread(buffer, size, 1, file);
buffer[size] = 0x00;
auto [result, preprocessedInclude] = this->preprocess(buffer, false);
if (result.failed())
return { ResultPreprocessingError, "" };
auto preprocessedInclude = this->preprocess(buffer, false);
if (!preprocessedInclude.has_value())
return { };
output += preprocessedInclude;
output += preprocessedInclude.value();
delete[] buffer;
@@ -81,7 +81,7 @@ namespace hex::lang {
defineName += code[offset];
if (offset >= code.length() || code[offset] == '\n' || code[offset] == '\r')
return { ResultPreprocessingError, "" };
return { };
offset += 1;
}
@@ -91,14 +91,14 @@ namespace hex::lang {
std::string replaceValue;
while (code[offset] != '\n' && code[offset] != '\r') {
if (offset >= code.length())
return { ResultPreprocessingError, "" };
return { };
replaceValue += code[offset];
offset += 1;
}
if (replaceValue.empty())
return { ResultPreprocessingError, "" };
return { };
this->m_defines.emplace(defineName, replaceValue);
} else if (code.substr(offset, 6) == "pragma") {
@@ -112,7 +112,7 @@ namespace hex::lang {
pragmaKey += code[offset];
if (offset >= code.length() || code[offset] == '\n' || code[offset] == '\r')
return { ResultPreprocessingError, "" };
return { };
offset += 1;
}
@@ -123,18 +123,18 @@ namespace hex::lang {
std::string pragmaValue;
while (code[offset] != '\n' && code[offset] != '\r') {
if (offset >= code.length())
return { ResultPreprocessingError, "" };
return { };
pragmaValue += code[offset];
offset += 1;
}
if (pragmaValue.empty())
return { ResultPreprocessingError, "" };
return { };
this->m_pragmas.emplace(pragmaKey, pragmaValue);
} else
return { ResultPreprocessingError, "" };
return { };
}
if (code[offset] == '\n')
@@ -158,13 +158,13 @@ namespace hex::lang {
for (const auto &[type, value] : this->m_pragmas) {
if (this->m_pragmaHandlers.contains(type)) {
if (!this->m_pragmaHandlers[type](value))
return { ResultPreprocessingError, { } };
return { };
} else
return { ResultPreprocessingError, { } };
return { };
}
}
return { ResultSuccess, output };
return output;
}
void Preprocessor::addPragmaHandler(std::string pragmaType, std::function<bool(std::string)> function) {