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Xref · gmlarumbe/vhdl-ext Wiki · GitHub
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Xref
Gonzalo Larumbe edited this page Dec 19, 2023
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This feature is only available with Tree-sitter and vhdl-ts-mode
.
See this link for setup.
First make sure that xref
has been included in vhdl-ext-feature-list
before running vhdl-ext-mode-setup
.
Set the variable vhdl-ext-project-alist
:
(setq vhdl-ext-project-alist
("axi_if_converter"
:root "/home/gonz/Repos/larumbe/axi_if_converter"
:files ("src/top/rtl/global_pkg.vhd"
"src/misc/clk_div.vhd"
"src/misc/clk_sync.vhd"
"src/pattern_counter/rtl/pattern_counter.vhd"
"src/input_buffer/rtl/input_buffer_pkg.vhd"
"src/input_buffer/rtl/input_buffer.vhd"
"src/core_fsm/rtl/core_fsm.vhd"
"src/axi_lite_regs/rtl/axi_lite_regs.vhd"
"src/axi_lite_master/rtl/axi_lite_master.vhd"
"src/core_conv/rtl/core_converter.vhd"
"src/top/rtl/axi_if_converter.vhd")
;; The ones below are used for GHDL-related features
:worklib "xil_defaultlib" ; Defaults to `work' if not set
:workdir "library/xil_defaultlib" ; Output compilation directory for worklib
:lib-search-path ("/opt/ghdl_Xilinx_lib/"))) ; Extra directories to look for compiled libraries
Next visit one of the project files and gather tags through one of these commands:
M-x vhdl-ext-tags-get RET
M-x vhdl-ext-tags-get-async RET
A tag database will be created and cached for future sessions.
Finally, run xref-find-definitions
or xref-find-references
on the tag at point.
Pros:
- Easy to setup
- No need for external applications (only tree-sitter)
Cons:
- Might be less accurate than LSP or
ggtags
If you need something readily available and more reliable consider alternatives from next section.
- Configuring LSP (see link)
- Configuring global and
ggtags-mode
- Requires installation of
global
,ctags
(for definitions) andpython
/pygments
(for references).# For Ubuntu/Debian systems sudo apt-get install global universal-ctags python3-pygments
- Find complete installation and configuration information here
- Requires installation of
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