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| author | Bad Diode <bd@badd10de.dev> | 2024-07-02 23:31:16 +0200 |
|---|---|---|
| committer | Bad Diode <bd@badd10de.dev> | 2024-07-02 23:31:16 +0200 |
| commit | f89540312aa29b41f10e64f018c50627d1e407a5 (patch) | |
| tree | 1df49933990d92e355d6534a1f3f3d001f042b94 | |
| parent | 203e955a38fbb1321571444463eeac8ab2d31437 (diff) | |
| download | bdl-f89540312aa29b41f10e64f018c50627d1e407a5.tar.gz bdl-f89540312aa29b41f10e64f018c50627d1e407a5.zip | |
Add a comment with the AR layout
| -rw-r--r-- | src/compiler.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/compiler.c b/src/compiler.c index 9b6a458..98a5e7b 100644 --- a/src/compiler.c +++ b/src/compiler.c | |||
| @@ -907,6 +907,16 @@ chunk_alloc(Chunk *parent) { | |||
| 907 | 907 | ||
| 908 | CompResult | 908 | CompResult |
| 909 | compile_function(Chunk *chunk, Node *node) { | 909 | compile_function(Chunk *chunk, Node *node) { |
| 910 | // The current activation record procedure for the VM is as follows: | ||
| 911 | // | ||
| 912 | // [caller][callee ] | ||
| 913 | // [ .... ][ RET VAL ][ PARAMS ][ LOCALS ][ REGISTERS ][ RET META ] | ||
| 914 | // ^ | ||
| 915 | // frame pointer | ||
| 916 | // | ||
| 917 | // The caller is responsible for allocating the return memory and the | ||
| 918 | // parameter memory and filling the param data before OP_CALL. | ||
| 919 | // | ||
| 910 | Chunk *func = chunk_alloc(chunk); | 920 | Chunk *func = chunk_alloc(chunk); |
| 911 | func->name = node->unique_name; | 921 | func->name = node->unique_name; |
| 912 | Function fun = (Function){ | 922 | Function fun = (Function){ |