57 lines
2.0 KiB
C
57 lines
2.0 KiB
C
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#ifndef SOLSNODE_H
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#define SOLSNODE_H
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#include <stdarg.h>
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#include "../include/error.h"
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#include "../lexer/SolsType.h"
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#include "../lexer/SolsLiteral.h"
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typedef enum SolsNodeType {
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SNT_IDENTIFIER, SNT_LITERAL, SNT_TYPE, SNT_CODE_BLOCK, SNT_OP_ADD, SNT_OP_SUB, SNT_OP_MUL, SNT_OP_DIV, SNT_OP_ADDTO, SNT_OP_SUBTO, SNT_OP_MULTO, SNT_OP_DIVTO, SNT_OP_INCREMENT, SNT_OP_DECREMENT, SNT_OP_SET, SNT_OP_GREATER, SNT_OP_LESSER, SNT_OP_EQUAL, SNT_OP_INEQUAL, SNT_OP_EQGREATER, SNT_OP_EQLESSER, SNT_DEF, SNT_STRUCT, SNT_PUTS, SNT_IF, SNT_WHILE, SNT_NEW, SNT_GROUND, SNT_ROOT
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} SolsNodeType;
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struct SolsNode;
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// Represents an AST node.
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// Most node types use the .type and .children fields, however some nodes require storing
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// more data, inside the .as union.
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// Those tokens are:
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// SNT_LITERAL: A literal value. Uses field .as.literal
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// SNT_TYPE: A type descriptor. Uses field .as.type
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// SNT_IDENTIFIER: An identifier. Uses field .as.idName
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// SNT_GROUND: Ground code embedded inside Solstice. Uses field .as.inlineGround
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typedef struct SolsNode {
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SolsNodeType type;
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union {
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SolsLiteral literal;
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SolsType type;
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char* idName;
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char* inlineGround;
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} as;
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struct {
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size_t count;
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size_t capacity;
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struct SolsNode* at;
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} children;
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} SolsNode;
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Result(SolsNode, charptr);
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// Creates a SolsNode. If the type passed in is SNT_LITERAL, SNT_TYPE, SNT_IDENTIFIER or
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// SNT_KW_GROUND, the function expects another argument, corresponding to the data type
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// the token holds. See the SolsNode struct for more information.
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// Returns:
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// Success: The created SolsNode
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// Failure: char* detailing what went wrong (usually memory failure)
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ResultType(SolsNode, charptr) createSolsNode(SolsNodeType type, ...);
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// Adds a child to a SolsNode.
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// Returns:
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// Success: Nothing
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// Failure: char* detailing what went wrong (usually memory failure)
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ResultType(Nothing, charptr) addChildToSolsNode(SolsNode* parent, SolsNode child);
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#endif
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