21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
|
# File 'lib/xmk/parser.rb', line 21
def parse
loop do
case @tokens[@i].type
when Token::LBR
if @env_label != ""
if Xmk.options[:verbose]
Xmk.print("leave label: #{@env_label}")
end
@env_label = ""
end
if @tokens[@i+1].type == Token::PLAT && @state == State::PLAT
self.leave_platform
end
if @tokens[@i+1].type == Token::TAR && @state == State::TAR
self.leave_target
end
when Token::PLAT
@plat_name = @tokens[@i].lexeme
case @state
when State::ROOT
loop do
@i += 1
break if @tokens[@i+1].type == Token::EOF
end
when State::TAR
allow = false
if Xmk.platforms.empty? || Xmk.platforms.include?(@plat_name)
while @tokens[@i+1].type == Token::TARLINK
@i += 1
if @env_name == @tokens[@i].lexeme
allow = true
break
end
end
end
if @target_state[:"#{@env_name}"].include?(@plat_name)
allow = false
self.leave_target
@state = State::QUIT
loop do
@i += 1
break if @tokens[@i+1].type == Token::EOF
end
end
if allow
@src_files = Array.new
@obj_files = Array.new
@compilation_flags = Array.new
if Xmk.options[:verbose]
Xmk.print("ENTER PLATFORM: #{@plat_name}")
end
@env_memory = @env_name
@env_name = @plat_name
@state = State::PLAT
self.env_stack_grow
else
unless @state == State::QUIT
unless @failsafe
@i = @i_memory
@failsafe = true
else
loop do
@i += 1
break if @tokens[@i+1].type == Token::PLAT
end
end
end
end
when State::PLAT
Xmk.error("Invalid state.", @tokens[@i].line)
end
when Token::TAR
case @state
when State::ROOT, State::TAR
if @state == State::TAR
self.leave_target
end
if Xmk.targets.empty? || Xmk.targets.include?(@tokens[@i].lexeme)
if Xmk.options[:verbose]
Xmk.print("@ENTER TARGET: #{@tokens[@i].lexeme}")
end
@target_name = @tokens[@i].lexeme
@target_state[:"#{@tokens[@i].lexeme}"] = Array.new
@env_name = @tokens[@i].lexeme
@state = State::TAR
self.env_stack_grow
else
loop do
@i += 1
if @tokens[@i+1].type == Token::EOF
break
end
break if @tokens[@i+1].type == Token::TAR
end
end
when State::TAR
when State::PLAT
Xmk.error("Hierarchy violation. Target scope required" <<
" to appear before platform scope.", $tokens[@i].line)
end
when Token::CMD
if @env_label == "_rule"
@src_files = Array.new
@obj_files = Array.new
@compilation_flags = Array.new
@env_stack.last[:SRC].split.each do |src|
Dir.glob(src) do |f|
@src_files.push(f)
i = File.dirname(f).index('/')
i = File.dirname(f).length if i.nil?
@obj_files.push(File.join(@env_stack.last[:OBJ],
File.dirname(f)[i .. -1],
"#{File.basename(f,'.*')}.o"))
end
end
@obj_files.each do |o|
Pathname(o).dirname.mkpath
@compilation_flags.push(!File.exist?(o))
end
@src_files.each_with_index do |src, i|
next if @compilation_flags[i]
recipe = Parser.run_print_verbose_only(
var_replace(@tokens[@i].lexeme).gsub('$~', src), true)
recipe.slice!(0..recipe.index(':'))
recipe.gsub!("\n", '')
recipe.gsub!("\\", '')
recipe.squeeze(" ")
recipe = recipe[1..-1]
recipe = recipe.split(" ")
objmtime = File.mtime(@obj_files[i])
recipe.each do |dep|
if File.mtime(dep) > objmtime
@compilation_flags[i] = (File.mtime(dep) > objmtime)
end
end
end
elsif @env_label == "_compile"
@src_files.each_with_index do |src, i|
if @compilation_flags[i]
if Xmk.options[:verbose]
Xmk.print("Recompilation for #{src}.")
end
Parser.run(var_replace(@tokens[@i].lexeme.gsub('$~', src).gsub(
'$&', @obj_files[i])))
end
end
elsif @env_label == "_link"
Parser.run(var_replace(@tokens[@i].lexeme.gsub('$&&',
@obj_files.join(" "))))
else
Parser.run(var_replace(@tokens[@i].lexeme))
end
when Token::LAB
if Xmk.options[:verbose]
Xmk.print("attempt label: #{@tokens[@i].lexeme}")
end
unless @tokens[@i].lexeme[0] == "_"
unless Xmk.labels.include?(@tokens[@i].lexeme)
if Xmk.options[:verbose]
Xmk.print("skip label: #{@tokens[@i].lexeme}")
end
loop do
@i += 1
break if @tokens[@i].type == Token::LBR
end
else
if Xmk.options[:verbose]
Xmk.print("enter label: #{@tokens[@i].lexeme}")
end
@env_label = @tokens[@i].lexeme
end
else
if @tokens[@i].lexeme == "_plat" && @state == State::TAR
@i_memory = @i
loop do
@i += 1
if @tokens[@i].type == Token::EOF
@i = @i_memory
break
end
break if @tokens[@i+1].type == Token::PLAT
end
else
if Xmk.options[:verbose]
Xmk.print("enter label: #{@tokens[@i].lexeme}")
end
@env_label = @tokens[@i].lexeme
end
end
when Token::VAR
unless @tokens[@i+1].type == Token::SET ||
@tokens[@i+1].type == Token::ADD
Xmk.error("Expect '=' or '+=' after variable",
@tokens[@i].line)
end
when Token::SET, Token::ADD
unless @tokens[@i-1].type == Token::VAR &&
@tokens[@i+1].type == Token::VAL
Xmk.error("Expect <VAR>=|+=<VALUE>.",
@tokens[@i].line)
else
case @tokens[@i].type
when Token::SET
self.set_var
when Token::ADD
if @env_stack.last.has_key?(:"#{@tokens[@i-1].lexeme}")
self.add_var
else
self.set_var
end
end
end
if Xmk.options[:verbose]
Xmk.print("$(#{@tokens[@i-1].lexeme}): " <<
" #{@env_stack.last[:"#{@tokens[@i-1].lexeme}"]}")
end
when Token::EOF
if @state == State::PLAT
self.leave_platform
else
break
end
else
end
@i += 1
end
end
|