зеркало из https://github.com/github/ruby.git
43 строки
1.4 KiB
C
43 строки
1.4 KiB
C
#ifndef PRISM_NODE_H
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#define PRISM_NODE_H
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#include "prism/defines.h"
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#include "prism/parser.h"
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// Append a new node onto the end of the node list.
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void pm_node_list_append(pm_node_list_t *list, pm_node_t *node);
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// Clear the node but preserves the location.
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void pm_node_clear(pm_node_t *node);
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// Deallocate a node and all of its children.
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PRISM_EXPORTED_FUNCTION void pm_node_destroy(pm_parser_t *parser, struct pm_node *node);
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// This struct stores the information gathered by the pm_node_memsize function.
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// It contains both the memory footprint and additionally metadata about the
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// shape of the tree.
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typedef struct {
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size_t memsize;
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size_t node_count;
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} pm_memsize_t;
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// Calculates the memory footprint of a given node.
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PRISM_EXPORTED_FUNCTION void pm_node_memsize(pm_node_t *node, pm_memsize_t *memsize);
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// Returns a string representation of the given node type.
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PRISM_EXPORTED_FUNCTION const char * pm_node_type_to_str(pm_node_type_t node_type);
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#define PM_EMPTY_NODE_LIST ((pm_node_list_t) { .nodes = NULL, .size = 0, .capacity = 0 })
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// ScopeNodes are helper nodes, and will never be part of the AST. We manually
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// declare them here to avoid generating them.
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typedef struct pm_scope_node {
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pm_node_t base;
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pm_node_t *ast_node;
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struct pm_parameters_node *parameters;
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pm_node_t *body;
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pm_constant_id_list_t locals;
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} pm_scope_node_t;
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#endif // PRISM_NODE_H
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