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57782d3d47
Instead of incrementing the depth using call by reference as we're recursing up the stack we could instead store an offset for each known scope where we know the depth is going to represented differently in the Prism ast.
23 lines
816 B
C
23 lines
816 B
C
#include "prism/prism.h"
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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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struct pm_scope_node *previous;
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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_parser_t *parser;
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ID *constants;
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st_table *index_lookup_table;
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// Some locals are defined at higher scopes than they are used. We can use
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// this offset to control which parent scopes local table we should be
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// referencing from the current scope.
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unsigned int local_depth_offset;
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} pm_scope_node_t;
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void pm_scope_node_init(const pm_node_t *node, pm_scope_node_t *scope, pm_scope_node_t *previous, pm_parser_t *parser);
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