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Diffstat (limited to 'chapter17a/docs')
| -rw-r--r-- | chapter17a/docs/17-grammar.md | 17 | ||||
| -rw-r--r-- | chapter17a/docs/Makefile | 12 |
2 files changed, 29 insertions, 0 deletions
diff --git a/chapter17a/docs/17-grammar.md b/chapter17a/docs/17-grammar.md new file mode 100644 index 00000000..98aef06c --- /dev/null +++ b/chapter17a/docs/17-grammar.md @@ -0,0 +1,17 @@ +# Chapter 17a grammar additions + +The expression and statement forms are those of Chapter 16. Declarations add +independent access and binding modifiers: + +```text +declaration = type binding ("," binding)* ";" +binding = ("!" | "~")? identifier ("=" expression)? +type = ("!" | "~")? name suffix* +suffix = "?" | "[]" | "[~]" +``` + +A prefix qualifier requires a struct reference. It qualifies the named base, +not enclosing arrays. Each bracket pair qualifies its own array layer. A binding +modifier applies only to the following name. See the README for defaults and +constructor initialization rules. `var`, `val`, increments, compound assignments, +conditional expressions, and `for` loops are introduced in Chapter 17b. diff --git a/chapter17a/docs/Makefile b/chapter17a/docs/Makefile new file mode 100644 index 00000000..12659b8f --- /dev/null +++ b/chapter17a/docs/Makefile @@ -0,0 +1,12 @@ +GV := $(wildcard *.gv) +SVG := $(patsubst %.gv,%.svg,$(GV)) + +.PHONY: all +all: $(SVG) + +%.svg: %.gv + dot -Tsvg $< > $@ + +.PHONY: clean +clean: + @rm -f $(SVG) |