| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /*************************************** | ||
| 2 | Auteur : Pierre Aubert | ||
| 3 | Mail : pierre.aubert@lapp.in2p3.fr | ||
| 4 | Licence : LGPL-3.0-only | ||
| 5 | ****************************************/ | ||
| 6 | |||
| 7 | #include "type_utils.h" | ||
| 8 | #include "rust_type_utils.h" | ||
| 9 | |||
| 10 | ///Get the Rust type matching a simple pdata type (int, float, bool, ...) | ||
| 11 | /** @param varType : pdata type to be converted | ||
| 12 | * @return matching Rust type, or an empty PString if varType isn't a simple type | ||
| 13 | */ | ||
| 14 | 22 | PString getRustSimpleType(const PString & varType){ | |
| 15 |
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22 | bool isUnsigned = varType.isSameBegining("unsigned"); |
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22 | PString restVarName(varType.replace("unsigned", "").eraseChar(" \n\t*&")); |
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22 | if(restVarName == "char"){return isUnsigned ? "u8" : "i8";} |
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22 | if(restVarName == "short"){return isUnsigned ? "u16" : "i16";} |
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22 | if(restVarName == "int"){return isUnsigned ? "u32" : "i32";} |
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10 | if(restVarName == "long" || restVarName == "longint"){return isUnsigned ? "u64" : "i64";} |
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10 | if(restVarName == "size_t"){return "usize";} |
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10 | if(restVarName == "ssize_t"){return "isize";} |
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10 | if(restVarName == "float"){return "f32";} |
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10 | if(restVarName == "double"){return "f64";} |
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10 | if(restVarName == "bool"){return "bool";} |
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10 | if(restVarName == "void"){return "()";} |
| 27 |
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10 | return ""; |
| 28 | 22 | } | |
| 29 | |||
| 30 | ///Get the Rust type matching a pdata type | ||
| 31 | /** @param varType : pdata type to be converted (eg "int", "std::string", "ConfigShadok *", "std::list<int>") | ||
| 32 | * @return matching Rust type (eg "i32", "String", "Option<Box<ConfigShadok>>", "Vec<i32>") | ||
| 33 | */ | ||
| 34 | 12 | PString getRustType(const PString & varType){ | |
| 35 |
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12 | if(getIsPointerType(varType)){ |
| 36 |
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1 | PString pointeeType(varType.eraseFirstLastChar(" \n\t*")); |
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2 | return "Option<Box<" + getRustType(pointeeType) + ">>"; |
| 38 | 1 | } | |
| 39 |
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11 | if(generator_typeIsList(varType)){ |
| 40 | ✗ | return "Vec<" + getRustType(generator_getListNestedType(varType)) + ">"; | |
| 41 | } | ||
| 42 |
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11 | PString simpleType(getRustSimpleType(varType)); |
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11 | if(simpleType != ""){return simpleType;} |
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7 | if(varType == "PString" || varType == "std::string" || varType == "PPath"){return "String";} |
| 45 | //Nested generated struct or enum : the pdata type name is reused as-is for the Rust type name | ||
| 46 |
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3 | return varType; |
| 47 | 11 | } | |
| 48 | |||
| 49 | ///Say if the Rust type matching a pdata type implements Copy (so getters can return it by value instead of by reference) | ||
| 50 | /** @param varType : pdata type to be checked | ||
| 51 | * @return true if the matching Rust type is Copy, false otherwise | ||
| 52 | */ | ||
| 53 | 8 | bool getRustTypeIsCopy(const PString & varType){ | |
| 54 |
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8 | if(getIsPointerType(varType) || generator_typeIsList(varType)){return false;} |
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8 | if(varType == "PString" || varType == "std::string" || varType == "PPath"){return false;} |
| 56 |
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4 | return getRustSimpleType(varType) != ""; |
| 57 | } | ||
| 58 | |||
| 59 | ///Get the Rust literal default value of an attribute, as written into its Default impl | ||
| 60 | /** @param attr : attribute to be checked | ||
| 61 | * @return Rust literal expression for the default value of the attribute | ||
| 62 | */ | ||
| 63 | 5 | PString getRustAttributeDefaultValue(const PClassAttribute & attr){ | |
| 64 |
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5 | PString varType(attr.getType()); |
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5 | bool isStringType(varType == "PString" || varType == "std::string" || varType == "PPath"); |
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5 | PString simpleType(getRustSimpleType(varType)); |
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5 | if(attr.getDefaultValue() != ""){ |
| 68 | //pdata default values are written between braces (eg "{0}", "{\"Shadoko\"}") | ||
| 69 |
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2 | PString rawValue(attr.getDefaultValue().eraseFirstLastChar("{} \n\t")); |
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2 | if(isStringType){ |
| 71 | //The pdata default is a double-quoted &str literal : String has no implicit conversion from &str, unlike C++'s std::string | ||
| 72 |
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2 | return rawValue + ".to_string()"; |
| 73 | } | ||
| 74 |
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1 | if((simpleType == "f32" || simpleType == "f64") && !rawValue.find(".eE")){ |
| 75 | //Rust has no implicit int->float coercion, unlike the C++ NSDMI this default value was written for | ||
| 76 | ✗ | return rawValue + ".0"; | |
| 77 | } | ||
| 78 | 1 | return rawValue; | |
| 79 | 2 | } | |
| 80 |
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3 | if(getIsPointerType(varType)){return "None";} |
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2 | if(generator_typeIsList(varType)){return "Vec::new()";} |
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2 | if(isStringType){return "String::new()";} |
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1 | if(simpleType == "f32" || simpleType == "f64"){return "0.0";} |
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1 | if(simpleType == "bool"){return "false";} |
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1 | if(simpleType != ""){return "0";} |
| 86 | //Nested generated struct or enum : rely on its own Default implementation | ||
| 87 | ✗ | return "Default::default()"; | |
| 88 | 5 | } | |
| 89 | |||
| 90 | ///Get a non-default Rust literal value of an attribute, to be used to exercise its setter/getter in generated tests | ||
| 91 | /** @param attr : attribute to be checked | ||
| 92 | * @return Rust literal expression for a test value of the attribute, or an empty PString for pointer/list/nested types (handled separately by the caller) | ||
| 93 | */ | ||
| 94 | 4 | PString getRustTestValue(const PClassAttribute & attr){ | |
| 95 |
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4 | PString varType(attr.getType()); |
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4 | if(varType == "PString" || varType == "std::string" || varType == "PPath"){return "\"Some string\".to_string()";} |
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2 | PString simpleType(getRustSimpleType(varType)); |
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2 | if(simpleType == "bool"){return "true";} |
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2 | if(simpleType == "f32" || simpleType == "f64"){return "1.0";} |
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2 | if(simpleType != ""){return "42";} |
| 101 | ✗ | return ""; | |
| 102 | 4 | } | |
| 103 |