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step: savepoint + add very anal compiler flags

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NunoSempere 2023-05-01 10:30:10 -04:00
parent 007741dad0
commit 0cb46c4ef1
4 changed files with 6 additions and 2 deletions
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5
makefile
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@ -7,6 +7,9 @@
## C compiler
CC=tcc # much faster compilation than gcc
COMPILER_FLAGS=-g3 -Wall -Wextra -Wconversion -Wdouble-promotion -Wno-unused-parameter -Wno-unused-function -Wno-sign-conversion -fsanitize=undefined -fsanitize-trap
## ^ from <https://nullprogram.com/blog/2023/04/29/>
## <https://news.ycombinator.com/item?id=35758898>
## Debugging options
DEBUG=-g#-g
@ -31,7 +34,7 @@ STYLE_BLUEPRINT=webkit
FORMATTER=clang-format -i -style=$(STYLE_BLUEPRINT)
build: $(SRC)
$(CC) -Wall $(INCS) $(SRC) $(MPC) -o mumble $(LIBS)
$(CC) $(COMPILER_FLAGS) $(INCS) $(SRC) $(MPC) -o mumble $(LIBS)
format: $(SRC)
$(FORMATTER) $(SRC)

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mumble
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1
notes/savepoint.txt
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@ -1 +1,2 @@
https://buildyourownlisp.com/chapter7_evaluation#trees
https://buildyourownlisp.com/chapter9_s_expressions

2
src/mumble.c
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@ -14,7 +14,7 @@ typedef struct {
int err;
} lispval;
enum { LISPVAL_NUM, LISPVAL_ERR };
enum { LISPVAL_NUM, LISPVAL_ERR, LISPVAL_SYM, LISPVAL_SEXPR };
enum { LISPERR_DIV_ZERO, LISPERR_BAD_OP, LISPERR_BAD_NUM };
lispval lispval_num(long x){