/
grammar.mk
117 lines (95 loc) · 3.11 KB
/
grammar.mk
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# Copyright 2014 The Rust Project Developers. See the COPYRIGHT
# file at the top-level directory of this distribution and at
# http://rust-lang.org/COPYRIGHT.
#
# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
# option. This file may not be copied, modified, or distributed
# except according to those terms.
BG = $(CFG_BUILD_DIR)/grammar/
SG = $(S)src/grammar/
B = $(CFG_BUILD_DIR)/$(CFG_BUILD)/stage2/
L = $(B)lib/rustlib/$(CFG_BUILD)/lib
LD = $(CFG_BUILD)/stage2/lib/rustlib/$(CFG_BUILD)/lib/
RUSTC = $(STAGE2_T_$(CFG_BUILD)_H_$(CFG_BUILD))
ifeq ($(CFG_OSTYPE),apple-darwin)
FLEX_LDFLAGS=-ll
else
FLEX_LDFLAGS=-lfl
endif
# Run the reference lexer against libsyntax and compare the tokens and spans.
# If "// ignore-lexer-test" is present in the file, it will be ignored.
#
# $(1) is the file to test.
define LEXER_TEST
grep "// ignore-lexer-test" $(1) ; \
if [ $$? -eq 1 ]; then \
CLASSPATH=$(B)grammar $(CFG_GRUN) RustLexer tokens -tokens < $(1) \
| $(B)grammar/verify $(1) ; \
fi
endef
$(BG):
$(Q)mkdir -p $(BG)
$(BG)RustLexer.class: $(BG) $(SG)RustLexer.g4
$(Q)$(CFG_ANTLR4) -o $(BG) $(SG)RustLexer.g4
$(Q)$(CFG_JAVAC) -d $(BG) $(BG)RustLexer.java
check-build-lexer-verifier: $(BG)verify
ifeq ($(NO_REBUILD),)
VERIFY_DEPS := rustc-stage2-H-$(CFG_BUILD) $(LD)stamp.rustc
else
VERIFY_DEPS :=
endif
$(BG)verify: $(BG) $(SG)verify.rs $(VERIFY_DEPS)
$(Q)$(RUSTC) --out-dir $(BG) -L $(L) $(SG)verify.rs
ifdef CFG_JAVAC
ifdef CFG_ANTLR4
ifdef CFG_GRUN
check-lexer: $(BG) $(BG)RustLexer.class check-build-lexer-verifier
$(info Verifying libsyntax against the reference lexer ...)
$(Q)$(SG)check.sh $(S) "$(BG)" \
"$(CFG_GRUN)" "$(BG)verify" "$(BG)RustLexer.tokens"
else
$(info cfg: grun not available, skipping lexer test...)
check-lexer:
endif
else
$(info cfg: antlr4 not available, skipping lexer test...)
check-lexer:
endif
else
$(info cfg: javac not available, skipping lexer test...)
check-lexer:
endif
$(BG)lex.yy.c: $(SG)lexer.l $(BG)
@$(call E, flex: $@)
$(Q)$(CFG_FLEX) -o $@ $<
$(BG)lexer-lalr.o: $(BG)lex.yy.c $(BG)parser-lalr.tab.h
@$(call E, cc: $@)
$(Q)$(CFG_CC) -include $(BG)parser-lalr.tab.h -c -o $@ $<
$(BG)parser-lalr.tab.c $(BG)parser-lalr.tab.h: $(SG)parser-lalr.y
@$(call E, bison: $@)
$(Q)$(CFG_BISON) $< --output=$(BG)parser-lalr.tab.c --defines=$(BG)parser-lalr.tab.h \
--name-prefix=rs --warnings=error=all
$(BG)parser-lalr.o: $(BG)parser-lalr.tab.c
@$(call E, cc: $@)
$(Q)$(CFG_CC) -c -o $@ $<
$(BG)parser-lalr-main.o: $(SG)parser-lalr-main.c
@$(call E, cc: $@)
$(Q)$(CFG_CC) -std=c99 -c -o $@ $<
$(BG)parser-lalr: $(BG)parser-lalr.o $(BG)parser-lalr-main.o $(BG)lexer-lalr.o
@$(call E, cc: $@)
$(Q)$(CFG_CC) -o $@ $^ $(FLEX_LDFLAGS)
ifdef CFG_FLEX
ifdef CFG_BISON
check-grammar: $(BG) $(BG)parser-lalr
$(info Verifying grammar ...)
$(SG)testparser.py -p $(BG)parser-lalr -s $(S)src
else
$(info cfg: bison not available, skipping parser test...)
check-grammar:
endif
else
$(info cfg: flex not available, skipping parser test...)
check-grammar:
endif