mirror of
https://github.com/fish-shell/fish-shell
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71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
/**\file parse_execution.h
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Provides the "linkage" between a parse_node_tree_t and actual execution structures (job_t, etc.).
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*/
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#ifndef FISH_PARSE_EXECUTION_H
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#define FISH_PARSE_EXECUTION_H
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#include "config.h"
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#include "util.h"
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#include "parse_tree.h"
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#include "proc.h"
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class job_t;
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struct profile_item_t;
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class parse_execution_context_t
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{
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private:
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const parse_node_tree_t tree;
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const wcstring src;
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const io_chain_t block_io;
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parser_t * const parser;
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parse_error_list_t errors;
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int eval_level;
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std::vector<profile_item_t*> profile_items;
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/* No copying allowed */
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parse_execution_context_t(const parse_execution_context_t&);
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parse_execution_context_t& operator=(const parse_execution_context_t&);
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/* Should I cancel */
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bool should_cancel() const;
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/* Report an error. Always returns true. */
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bool append_error(const parse_node_t &node, const wchar_t *fmt, ...);
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/* Utilities */
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wcstring get_source(const parse_node_t &node) const;
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const parse_node_t *get_child(const parse_node_t &parent, node_offset_t which, parse_token_type_t expected_type = token_type_invalid) const;
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node_offset_t get_offset(const parse_node_t &node) const;
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process_t *create_job_process(job_t *job, const parse_node_t &statement_node);
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process_t *create_boolean_process(job_t *job, const parse_node_t &bool_statement);
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process_t *create_plain_process(job_t *job, const parse_node_t &statement);
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process_t *create_block_process(job_t *job, const parse_node_t &statement_node);
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void run_while_process(const parse_node_t &header, const parse_node_t &statement);
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wcstring_list_t determine_arguments(const parse_node_t &parent, const parse_node_t **out_unmatched_wildcard_node);
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/* Determines the IO chain. Returns true on success, false on error */
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bool determine_io_chain(const parse_node_t &statement, io_chain_t *out_chain);
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int run_1_job(const parse_node_t &job_node);
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int run_job_list(const parse_node_t &job_list_node);
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bool populate_job_from_job_node(job_t *j, const parse_node_t &job_node);
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void eval_next_stack_elem();
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public:
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parse_execution_context_t(const parse_node_tree_t &t, const wcstring &s, const io_chain_t &io, parser_t *p);
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/* Actually execute the job list described by the tree */
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int eval_top_level_job_list();
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};
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#endif
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