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Parse menu function values

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This commit is contained in:
Jan 2021-12-27 11:28:11 +01:00
parent 7ea53808b7
commit d4154d0cc2
2 changed files with 42 additions and 34 deletions
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3
src/ObjLoading/Parsing/Menu/Domain/CommonFunctionDef.h
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@ -2,11 +2,14 @@
#include <string>
#include "Parsing/Simple/Expression/ISimpleExpression.h"
namespace menu
{
class CommonFunctionDef
{
public:
std::string m_name;
std::unique_ptr<ISimpleExpression> m_value;
};
}

73
src/ObjLoading/Parsing/Menu/Sequence/FunctionScopeSequences.cpp
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@ -2,6 +2,7 @@
#include <sstream>
#include "Generic/GenericExpressionPropertySequence.h"
#include "Generic/GenericStringPropertySequence.h"
#include "Parsing/Menu/Matcher/MenuMatcherFactory.h"
@ -9,51 +10,55 @@ using namespace menu;
namespace menu::function_scope_sequences
{
class SequenceCloseBlock final : public MenuFileParser::sequence_t
{
static constexpr auto CAPTURE_TOKEN = 1;
class SequenceCloseBlock final : public MenuFileParser::sequence_t
{
static constexpr auto CAPTURE_TOKEN = 1;
public:
SequenceCloseBlock()
{
const MenuMatcherFactory create(this);
public:
SequenceCloseBlock()
{
const MenuMatcherFactory create(this);
AddMatchers({
create.Char('}')
});
}
AddMatchers({
create.Char('}').Capture(CAPTURE_TOKEN)
});
}
protected:
void ProcessMatch(MenuFileParserState* state, SequenceResult<SimpleParserValue>& result) const override
{
const auto existingFunction = state->m_functions_by_name.find(state->m_current_function->m_name);
if (existingFunction == state->m_functions_by_name.end())
{
state->m_functions_by_name.emplace(std::make_pair(state->m_current_function->m_name, state->m_current_function));
state->m_current_function = nullptr;
}
else
{
std::ostringstream ss;
ss << "Function with name \"" << state->m_current_menu->m_name << "\" already exists";
throw ParsingException(result.NextCapture(CAPTURE_TOKEN).GetPos(), ss.str());
}
}
};
protected:
void ProcessMatch(MenuFileParserState* state, SequenceResult<SimpleParserValue>& result) const override
{
const auto existingFunction = state->m_functions_by_name.find(state->m_current_function->m_name);
if (existingFunction == state->m_functions_by_name.end())
{
state->m_functions_by_name.emplace(std::make_pair(state->m_current_function->m_name, state->m_current_function));
state->m_current_function = nullptr;
}
else
{
std::ostringstream ss;
ss << "Function with name \"" << state->m_current_function->m_name << "\" already exists";
throw ParsingException(result.NextCapture(CAPTURE_TOKEN).GetPos(), ss.str());
}
}
};
}
using namespace function_scope_sequences;
FunctionScopeSequences::FunctionScopeSequences(std::vector<std::unique_ptr<MenuFileParser::sequence_t>>& allSequences, std::vector<MenuFileParser::sequence_t*>& scopeSequences)
: AbstractScopeSequenceHolder(allSequences, scopeSequences)
: AbstractScopeSequenceHolder(allSequences, scopeSequences)
{
}
void FunctionScopeSequences::AddSequences(FeatureLevel featureLevel, bool permissive)
{
AddSequence(std::make_unique<SequenceCloseBlock>());
AddSequence(std::make_unique<GenericStringPropertySequence>("name", [](const MenuFileParserState* state, const TokenPos&, const std::string& value)
{
state->m_current_function->m_name = value;
}));
AddSequence(std::make_unique<SequenceCloseBlock>());
AddSequence(std::make_unique<GenericStringPropertySequence>("name", [](const MenuFileParserState* state, const TokenPos&, const std::string& value)
{
state->m_current_function->m_name = value;
}));
AddSequence(GenericExpressionPropertySequence::WithKeyword("value", [](const MenuFileParserState* state, const TokenPos&, std::unique_ptr<ISimpleExpression> value)
{
state->m_current_function->m_value = std::move(value);
}));
}